Version bump

Merge remote-tracking branch 'cn/patch_cn'
Merge remote-tracking branch 'pt-br/translate-ptbr'
2026-02-06 20:40:07 +01:00 · 2026-01-31 12:43:58 +01:00 · 2026-01-31 12:40:01 +01:00 · 2026-01-31 12:31:44 +01:00 · 2026-01-31 05:51:04 +01:00 · 2026-01-31 05:44:18 +01:00
179 changed files with 38944 additions and 25950 deletions
@@ -11,7 +11,7 @@ assignees: ''

 After 6 years of more or less intensive programming on Calibre-Web, I need a break. 
 The last few months, maintaining Calibre-Web has felt more like work than a hobby. I felt pressured and teased by people to solve "their" problems and merge PRs for "their" Calibre-Web. 
-I have turned off all notifications from Github/Discord and will now concentrate undisturbed on the development of “my” Calibre-Web over the next few weeks/months.  
+I have turned off all notifications from GitHub/Discord and will now concentrate undisturbed on the development of “my” Calibre-Web over the next few weeks/months.  
 I will look into the issues and maybe also the PRs from time to time, but don't expect a quick response from me.


@@ -11,7 +11,7 @@ assignees: ''

 After 6 years of more or less intensive programming on Calibre-Web, I need a break. 
 The last few months, maintaining Calibre-Web has felt more like work than a hobby. I felt pressured and teased by people to solve "their" problems and merge PRs for "their" Calibre-Web. 
-I have turned off all notifications from Github/Discord and will now concentrate undisturbed on the development of “my” Calibre-Web over the next few weeks/months.  
+I have turned off all notifications from GitHub/Discord and will now concentrate undisturbed on the development of “my” Calibre-Web over the next few weeks/months.  
 I will look into the issues and maybe also the PRs from time to time, but don't expect a quick response from me.

 Please have a look at our [Contributing Guidelines](https://github.com/janeczku/calibre-web/blob/master/CONTRIBUTING.md)
@@ -20,7 +20,7 @@ Some of the user languages in Calibre-Web having missing translations. We are ha

 ### **Documentation**

-The Calibre-Web documentation is hosted in the Github [Wiki](https://github.com/janeczku/calibre-web/wiki). The Wiki is open to everybody, if you find a problem, feel free to correct it. If information is missing, you are welcome to add it. The content will be reviewed time by time. Please try to be consistent with the form with the other Wiki pages (e.g. the project name is Calibre-Web with 2 capital letters and a dash in between).
+The Calibre-Web documentation is hosted in the GitHub [Wiki](https://github.com/janeczku/calibre-web/wiki). The Wiki is open to everybody, if you find a problem, feel free to correct it. If information is missing, you are welcome to add it. The content will be reviewed time by time. Please try to be consistent with the form with the other Wiki pages (e.g. the project name is Calibre-Web with 2 capital letters and a dash in between).

 ### **Reporting a bug**

@@ -28,12 +28,12 @@ Do not open up a GitHub issue if the bug is a **security vulnerability** in Cali

 Ensure the **bug was not already reported** by searching on GitHub under [Issues](https://github.com/janeczku/calibre-web/issues). Please also check if a solution for your problem can be found in the [wiki](https://github.com/janeczku/calibre-web/wiki).

-If you're unable to find an **open issue** addressing the problem, open a [new one](https://github.com/janeczku/calibre-web/issues/new/choose). Be sure to include a **title** and **clear description**, as much relevant information as possible, the **issue form** helps you providing the right information. Deleting the form and just pasting the stack trace doesn't speed up fixing the problem. If your issue could be resolved, consider closing the issue.
+If you're unable to find an **open issue** addressing the problem, open a [new one](https://github.com/janeczku/calibre-web/issues/new/choose). Be sure to include a **title** and **clear description**, as much relevant information as possible, the **issue form** helps you provide the right information. Deleting the form and just pasting the stack trace doesn't speed up fixing the problem. If your issue could be resolved, consider closing the issue.

 ### **Feature Request**

 If there is a feature missing in Calibre-Web and you can't find a feature request in the [Issues](https://github.com/janeczku/calibre-web/issues) section, you could create a [feature request](https://github.com/janeczku/calibre-web/issues/new?assignees=&labels=&template=feature_request.md&title=).
-We will not extend Calibre-Web with any more login abilities or add further files storages, or file syncing ability. Furthermore Calibre-Web is made for home usage for company in-house usage, so requests regarding any sorts of social interaction capability, payment routines, search engine or web site analytics integration will not be implemented.
+We will not extend Calibre-Web with any more login abilities or add further files storages, or file syncing ability. Calibre-Web is made for home usage for company in-house usage, so requests regarding any sorts of social interaction capability, payment routines, search engine or website analytics integration will not be implemented.

 ### **Contributing code to Calibre-Web**

@@ -42,5 +42,5 @@ Open a new GitHub pull request with the patch. Ensure the PR description clearly
 In case your code enhances features of Calibre-Web: Create your pull request for the development branch if your enhancement consists of more than some lines of code in a local section of Calibre-Webs code. This makes it easier to test it and check all implication before it's made public.

 Please check if your code runs with python 3, python 2 is no longer supported. If possible and the feature is related to operating system functions, try to check it on Windows and Linux.
-Calibre-Web is automatically tested on Linux in combination with python 3.8. The code for testing is in a [separate repo](https://github.com/OzzieIsaacs/calibre-web-test) on Github. It uses unit tests and performs real system tests with selenium; it would be great if you could consider also writing some tests.
+Calibre-Web is automatically tested on Linux in combination with python 3.8. The code for testing is in a [separate repo](https://github.com/OzzieIsaacs/calibre-web-test) on GitHub. It uses unit tests and performs real system tests with selenium; it would be great if you could consider also writing some tests.
 A static code analysis is done by Codacy, but it's partly broken and doesn't run automatically. You could check your code with ESLint before contributing, a configuration file can be found in the projects root folder.
@@ -1 +1,3 @@
 graft src/calibreweb
+global-exclude __pycache__
+global-exclude *.pyc
@@ -19,13 +19,13 @@ Calibre-Web is a web app that offers a clean and intuitive interface for browsin
   - [Quick start](#quick-start)
   - [Requirements](#requirements)
 4. [Docker Images](#docker-images)
-5. [Contributor Recognition](#contributor-recognition)
-6. [Contact](#contact)
-7. [Contributing to Calibre-Web](#contributing-to-calibre-web)
+5. [Troubleshooting](#troubleshooting)
+6. [Contributor Recognition](#contributor-recognition)
+7. [Contact](#contact)
+8. [Contributing to Calibre-Web](#contributing-to-calibre-web)

 </details>

-
 *This software is a fork of [library](https://github.com/mutschler/calibreserver) and licensed under the GPL v3 License.*

 ![Main screen](https://github.com/janeczku/calibre-web/wiki/images/main_screen.png)
@@ -57,52 +57,103 @@ Calibre-Web is a web app that offers a clean and intuitive interface for browsin

 ## Installation

-#### Installation via pip (recommended)
-1. Create a virtual environment for Calibre-Web to avoid conflicts with existing Python dependencies
-2. Install Calibre-Web via pip: `pip install calibreweb` (or `pip3` depending on your OS/distro)
-3. Install optional features via pip as needed, see [this page](https://github.com/janeczku/calibre-web/wiki/Dependencies-in-Calibre-Web-Linux-and-Windows) for details
-4. Start Calibre-Web by typing `cps`
+### Installation via pip (recommended)

-*Note: Raspberry Pi OS users may encounter issues during installation. If so, please update pip (`./venv/bin/python3 -m pip install --upgrade pip`) and/or install cargo (`sudo apt install cargo`) before retrying the installation.*
+1. **Create a virtual environment**: It’s essential to isolate your Calibre-Web installation to avoid dependency conflicts. You can create a virtual environment by running:
+   ```
+   python3 -m venv calibre-web-env
+   ```
+2. **Activate the virtual environment**:
+   ```
+   source calibre-web-env/bin/activate
+   ```
+3. **Install Calibre-Web**: Use pip to install the application:
+   ```
+   pip install calibreweb
+   ```
+4. **Install optional features**: For additional functionality, you may need to install optional features. Refer to [this page](https://github.com/janeczku/calibre-web/wiki/Dependencies-in-Calibre-Web-Linux-and-Windows) for details on what can be installed.
+5. **Start Calibre-Web**: After installation, you can start the application with:
+   ```
+   cps
+   ```

-Refer to the Wiki for additional installation examples: [manual installation](https://github.com/janeczku/calibre-web/wiki/Manual-installation), [Linux Mint](https://github.com/janeczku/calibre-web/wiki/How-To:-Install-Calibre-Web-in-Linux-Mint-19-or-20), [Cloud Provider](https://github.com/janeczku/calibre-web/wiki/How-To:-Install-Calibre-Web-on-a-Cloud-Provider).
+*Note: Users of Raspberry Pi OS may encounter installation issues. If you do, try upgrading pip and/or installing cargo as follows:*
+   ```
+   ./venv/bin/python3 -m pip install --upgrade pip
+   sudo apt install cargo
+   ```
+
+### Important Links
+- For additional installation examples, check the following:
+   - [Manual installation](https://github.com/janeczku/calibre-web/wiki/Manual-installation)
+   - [Linux Mint installation](https://github.com/janeczku/calibre-web/wiki/How-To:-Install-Calibre-Web-in-Linux-Mint-19-or-20)
+   - [Cloud Provider setup](https://github.com/janeczku/calibre-web/wiki/How-To:-Install-Calibre-Web-on-a-Cloud-Provider)

 ## Quick Start

-1. Open your browser and navigate to `http://localhost:8083` or `http://localhost:8083/opds` for the OPDS catalog
-2. Log in with the default admin credentials
-3. If you don't have a Calibre database, you can use [this database](https://github.com/janeczku/calibre-web/raw/master/library/metadata.db) (move it out of the Calibre-Web folder to prevent overwriting during updates)
-4. Set `Location of Calibre database` to the path of the folder containing your Calibre library (metadata.db) and click "Save"
-5. Optionally, use Google Drive to host your Calibre library by following the [Google Drive integration guide](https://github.com/janeczku/calibre-web/wiki/G-Drive-Setup#using-google-drive-integration)
-6. Configure your Calibre-Web instance via the admin page, referring to the [Basic Configuration](https://github.com/janeczku/calibre-web/wiki/Configuration#basic-configuration) and [UI Configuration](https://github.com/janeczku/calibre-web/wiki/Configuration#ui-configuration) guides
-
-#### Default Admin Login:
- **Username:** admin
- **Password:** admin123
+1. **Access Calibre-Web**: Open your browser and navigate to:
+   ```
+   http://localhost:8083
+   ```
+   or for the OPDS catalog:
+   ```
+   http://localhost:8083/opds
+   ```
+2. **Log in**: Use the default admin credentials:
+   - **Username:** admin
+   - **Password:** admin123
+3. **Database Setup**: If you do not have a Calibre database, download a sample from:
+   ```
+   https://github.com/janeczku/calibre-web/raw/master/library/metadata.db
+   ```
+   Move it out of the Calibre-Web folder to avoid overwriting during updates.
+4. **Configure Calibre Database**: In the admin interface, set the `Location of Calibre database` to the path of the folder containing your Calibre library (where `metadata.db` is located) and click "Save".
+5. **Google Drive Integration**: For hosting your Calibre library on Google Drive, refer to the [Google Drive integration guide](https://github.com/janeczku/calibre-web/wiki/G-Drive-Setup#using-google-drive-integration).
+6. **Admin Configuration**: Configure your instance via the admin page, referring to the [Basic Configuration](https://github.com/janeczku/calibre-web/wiki/Configuration#basic-configuration) and [UI Configuration](https://github.com/janeczku/calibre-web/wiki/Configuration#ui-configuration) guides.

 ## Requirements

- Python 3.7+
- [Imagemagick](https://imagemagick.org/script/download.php) for cover extraction from EPUBs (Windows users may need to install [Ghostscript](https://ghostscript.com/releases/gsdnld.html) for PDF cover extraction)
- Windows users need to install [libmagic for 32bit python](https://gnuwin32.sourceforge.net/downlinks/file.php) or [libmagic for 64bit python](https://github.com/nscaife/file-windows/releases/tag/20170108), depending on the python version; The files need to be installed in path (e.g. script folder of your Calibre-Web venv, or in the root folder of Calibre-Web
- Optional: [Calibre desktop program](https://calibre-ebook.com/download) for on-the-fly conversion and metadata editing (set "calibre's converter tool" path on the setup page)
- Optional: [Kepubify tool](https://github.com/pgaskin/kepubify/releases/latest) for Kobo device support (place the binary in `/opt/kepubify` on Linux or `C:\Program Files\kepubify` on Windows)
+- **Python Version**: Ensure you have Python 3.7 or newer.
+- **Imagemagick**: Required for cover extraction from EPUBs. Windows users may also need to install [Ghostscript](https://ghostscript.com/releases/gsdnld.html) for PDF cover extraction.
+- **Optional Tools**:
+   - **Calibre desktop program**: Recommended for on-the-fly conversion and metadata editing. Set the path to Calibre’s converter tool on the setup page.
+   - **Kepubify tool**: Needed for Kobo device support. Download the tool and place the binary in `/opt/kepubify` on Linux or `C:\Program Files\kepubify` on Windows.

 ## Docker Images

-Pre-built Docker images are available in the following Docker Hub repositories (maintained by the LinuxServer team):
+Pre-built Docker images are available:

-#### **LinuxServer - x64, aarch64**
- [Docker Hub](https://hub.docker.com/r/linuxserver/calibre-web)
- [GitHub](https://github.com/linuxserver/docker-calibre-web)
- [GitHub - Optional Calibre layer](https://github.com/linuxserver/docker-mods/tree/universal-calibre)
+### **LinuxServer - x64, aarch64**
+- **Docker Hub**: [linuxserver/calibre-web](https://hub.docker.com/r/linuxserver/calibre-web)
+- **GitHub**: [linuxserver/docker-calibre-web](https://github.com/linuxserver/docker-calibre-web)
+- **Optional Calibre layer**: [linuxserver/docker-mods](https://github.com/linuxserver/docker-mods/tree/universal-calibre)

-  Include the environment variable `DOCKER_MODS=linuxserver/mods:universal-calibre` in your Docker run/compose file to add the Calibre `ebook-convert` binary (x64 only). Omit this variable for a lightweight image.
+To include the Calibre `ebook-convert` binary (x64 only), add the environment variable:
+``` 
+DOCKER_MODS=linuxserver/mods:universal-calibre
+```
+in your Docker run/compose file. Omit this variable for a lightweight image.

-  Both the Calibre-Web and Calibre-Mod images are automatically rebuilt on new releases and updates.
+- **Paths Configuration**:
+   - Set **Path to Calibre Binaries** to `/usr/bin`.
+   - Set **Path to Unrar** to `/usr/bin/unrar`.

-  - Set "Path to Calibre Binaries" to `/usr/bin`
-  - Set "Path to Unrar" to `/usr/bin/unrar`
+## Troubleshooting
+
+- **Common Issues**: 
+   - If you experience issues starting the application, check the log files located in the `logs` directory for error messages.
+   - If eBooks fail to load, verify that the `Location of Calibre database` is correctly set and that the database file is accessible.
+   - You need to enable uploads under `Basic settings` for this option to appear
+
+- **Configuration Errors**: Ensure that your Calibre database is compatible and properly formatted. Refer to the Calibre documentation for guidance on maintaining the database.
+
+- **Performance Problems**: 
+   - If the application is slow, consider increasing the allocated resources (CPU/RAM) to your server or optimizing the Calibre database by removing duplicates and unnecessary entries.
+   - Regularly clear the cache in your web browser to improve loading times.
+
+- **User Management Issues**: If users are unable to log in or register, check the user permission settings in the admin interface. Ensure that registration is enabled and that users are being assigned appropriate roles.
+
+- **Support Resources**: For additional help, consider visiting the [FAQ section](https://github.com/janeczku/calibre-web/wiki/FAQ) of the wiki or posting your questions in the [Discord community](https://discord.gg/h2VsJ2NEfB).

 ## Contributor Recognition

@@ -116,4 +167,21 @@ For more information, How To's, and FAQs, please visit the [Wiki](https://github

 ## Contributing to Calibre-Web

-Check out our [Contributing Guidelines](https://github.com/janeczku/calibre-web/blob/master/CONTRIBUTING.md)
+To contribute, please check our [Contributing Guidelines](https://github.com/janeczku/calibre-web/blob/master/CONTRIBUTING.md). We welcome issues, feature requests, and pull requests from the community.
+
+### Reporting Bugs
+
+If you encounter bugs or issues, please report them in the [issues section](https://github.com/janeczku/calibre-web/issues) of the repository. Be sure to include detailed information about your setup and the problem encountered.
+
+### Feature Requests
+
+We welcome suggestions for new features. Please create a new issue in the repository to discuss your ideas.
+
+## Additional Resources
+
+- **Documentation**: Comprehensive documentation is available on the [Calibre-Web wiki](https://github.com/janeczku/calibre-web/wiki).
+- **Community Contributions**: Explore the [community contributions](https://github.com/janeczku/calibre-web/pulls) to see ongoing work and how you can get involved.
+
+---
+
+Thank you for using Calibre-Web! We hope you enjoy managing your eBook library with our tool.
@@ -10,44 +10,44 @@ To receive fixes for security vulnerabilities it is required to always upgrade t

 ## History

-| Fixed in      | Description                                                                                                                    |CVE number |
-|---------------|--------------------------------------------------------------------------------------------------------------------------------|---------|
-| 3rd July 2018 | Guest access acts as a backdoor                                                                                                ||
-| V 0.6.7       | Hardcoded secret key for sessions                                                                                              |CVE-2020-12627 |
-| V 0.6.13      | Calibre-Web Metadata cross site scripting                                                                                      |CVE-2021-25964|
-| V 0.6.13      | Name of Shelves are only visible to users who can access the corresponding shelf Thanks to @ibarrionuevo                       ||
-| V 0.6.13      | JavaScript could get executed in the description field. Thanks to @ranjit-git  and Hagai Wechsler (WhiteSource)                ||
-| V 0.6.13      | JavaScript could get executed in a custom column of type "comment" field                                                       ||
-| V 0.6.13      | JavaScript could get executed after converting a book to another format with a title containing javascript code                ||
-| V 0.6.13      | JavaScript could get executed after converting a book to another format with a username containing javascript code             ||
-| V 0.6.13      | JavaScript could get executed in the description series, categories or publishers title                                        ||
-| V 0.6.13      | JavaScript could get executed  in the shelf title                                                                              ||
-| V 0.6.13      | Login with the old session cookie after logout. Thanks to @ibarrionuevo                                                        ||
-| V 0.6.14      | CSRF was possible. Thanks to @mik317 and Hagai Wechsler (WhiteSource)                                                          |CVE-2021-25965|
-| V 0.6.14      | Migrated some routes to POST-requests (CSRF protection). Thanks to @scara31                                                    |CVE-2021-4164|
-| V 0.6.15      | Fix for "javascript:" script links in identifier. Thanks to @scara31                                                           |CVE-2021-4170|
-| V 0.6.15      | Cross-Site Scripting vulnerability on uploaded cover file names. Thanks to @ibarrionuevo                                       ||
-| V 0.6.15      | Creating public shelfs is now denied if user is missing the edit public shelf right. Thanks to @ibarrionuevo                   ||
-| V 0.6.15      | Changed error message in case of trying to delete a shelf unauthorized. Thanks to @ibarrionuevo                                ||
-| V 0.6.16      | JavaScript could get executed on authors page. Thanks to @alicaz                                                               |CVE-2022-0352|
-| V 0.6.16      | Localhost can no longer be used to upload covers. Thanks to @scara31                                                           |CVE-2022-0339|
-| V 0.6.16      | Another case where public shelfs could be created without permission is prevented. Thanks to @nhiephon                         |CVE-2022-0273|
-| V 0.6.16      | It's prevented to get the name of a private shelfs. Thanks to @nhiephon                                                        |CVE-2022-0405|
-| V 0.6.17      | The SSRF Protection can no longer be bypassed via an HTTP redirect. Thanks to @416e6e61                                        |CVE-2022-0767|
-| V 0.6.17      | The SSRF Protection can no longer be bypassed via 0.0.0.0 and it's ipv6 equivalent. Thanks to @r0hanSH                         |CVE-2022-0766|
-| V 0.6.18      | Possible SQL Injection is prevented in user table  Thanks to Iman Sharafaldin (Forward Security)                               |CVE-2022-30765|
-| V 0.6.18      | The SSRF protection no longer can be bypassed by IPV6/IPV4 embedding. Thanks to  @416e6e61                                     |CVE-2022-0939|
-| V 0.6.18      | The SSRF protection no longer can be bypassed to connect to other servers in the local network. Thanks to @michaellrowley      |CVE-2022-0990|
-| V 0.6.20      | Credentials for emails are now stored encrypted                                                                                ||
-| V 0.6.20      | Login is rate limited                                                                                                          ||
-| V 0.6.20      | Passwordstrength can be forced                                                                                                 ||
-| V 0.6.21      | SMTP server credentials are no longer returned to client                                                                       ||
-| V 0.6.21      | Cross-site scripting (XSS) stored in href bypasses filter using data wrapper no longer possible                                ||
-| V 0.6.21      | Cross-site scripting (XSS) is no longer possible via pathchooser                                                               ||
-| V 0.6.21      | Error Handling at non existent rating, language, and user downloaded books was fixed                                           ||
-| V 0.6.22      | Upload mimetype is checked to prevent malicious file content in the books library                                              ||
-| V 0.6.22      | Cross-site scripting (XSS) stored in comments section is prevented better (switching from lxml to bleach for sanitizing strings) ||
-| V 0.6.23      | Cookies are no longer stored for opds basic authentication and proxy authentication                                            ||
+| Fixed in      | Description                                                                                                                      | CVE number     |
+|---------------|----------------------------------------------------------------------------------------------------------------------------------|----------------|
+| 3rd July 2018 | Guest access acts as a backdoor                                                                                                  |                |
+| V 0.6.7       | Hardcoded secret key for sessions                                                                                                | CVE-2020-12627 |
+| V 0.6.13      | Calibre-Web Metadata cross site scripting                                                                                        | CVE-2021-25964 |
+| V 0.6.13      | Name of Shelves are only visible to users who can access the corresponding shelf Thanks to @ibarrionuevo                         |                |
+| V 0.6.13      | JavaScript could get executed in the description field. Thanks to @ranjit-git  and Hagai Wechsler (WhiteSource)                  |                |
+| V 0.6.13      | JavaScript could get executed in a custom column of type "comment" field                                                         |                |
+| V 0.6.13      | JavaScript could get executed after converting a book to another format with a title containing javascript code                  |                |
+| V 0.6.13      | JavaScript could get executed after converting a book to another format with a username containing javascript code               |                |
+| V 0.6.13      | JavaScript could get executed in the description series, categories or publishers title                                          |                |
+| V 0.6.13      | JavaScript could get executed  in the shelf title                                                                                |                |
+| V 0.6.13      | Login with the old session cookie after logout. Thanks to @ibarrionuevo                                                          |                |
+| V 0.6.14      | CSRF was possible. Thanks to @mik317 and Hagai Wechsler (WhiteSource)                                                            | CVE-2021-25965 |
+| V 0.6.14      | Migrated some routes to POST-requests (CSRF protection). Thanks to @scara31                                                      | CVE-2021-4164  |
+| V 0.6.15      | Fix for "javascript:" script links in identifier. Thanks to @scara31                                                             | CVE-2021-4170  |
+| V 0.6.15      | Cross-Site Scripting vulnerability on uploaded cover file names. Thanks to @ibarrionuevo                                         |                |
+| V 0.6.15      | Creating public shelfs is now denied if user is missing the edit public shelf right. Thanks to @ibarrionuevo                     |                |
+| V 0.6.15      | Changed error message in case of trying to delete a shelf unauthorized. Thanks to @ibarrionuevo                                  |                |
+| V 0.6.16      | JavaScript could get executed on authors page. Thanks to @alicaz                                                                 | CVE-2022-0352  |
+| V 0.6.16      | Localhost can no longer be used to upload covers. Thanks to @scara31                                                             | CVE-2022-0339  |
+| V 0.6.16      | Another case where public shelfs could be created without permission is prevented. Thanks to @nhiephon                           | CVE-2022-0273  |
+| V 0.6.16      | It's prevented to get the name of a private shelfs. Thanks to @nhiephon                                                          | CVE-2022-0405  |
+| V 0.6.17      | The SSRF Protection can no longer be bypassed via an HTTP redirect. Thanks to @416e6e61                                          | CVE-2022-0767  |
+| V 0.6.17      | The SSRF Protection can no longer be bypassed via 0.0.0.0 and it's ipv6 equivalent. Thanks to @r0hanSH                           | CVE-2022-0766  |
+| V 0.6.18      | Possible SQL Injection is prevented in user table  Thanks to Iman Sharafaldin (Forward Security)                                 | CVE-2022-30765 |
+| V 0.6.18      | The SSRF protection no longer can be bypassed by IPV6/IPV4 embedding. Thanks to  @416e6e61                                       | CVE-2022-0939  |
+| V 0.6.18      | The SSRF protection no longer can be bypassed to connect to other servers in the local network. Thanks to @michaellrowley        | CVE-2022-0990  |
+| V 0.6.20      | Credentials for emails are now stored encrypted                                                                                  |                |
+| V 0.6.20      | Login is rate limited                                                                                                            |                |
+| V 0.6.20      | Passwordstrength can be forced                                                                                                   |                |
+| V 0.6.21      | SMTP server credentials are no longer returned to client                                                                         |                |
+| V 0.6.21      | Cross-site scripting (XSS) stored in href bypasses filter using data wrapper no longer possible                                  |                |
+| V 0.6.21      | Cross-site scripting (XSS) is no longer possible via pathchooser                                                                 |                |
+| V 0.6.21      | Error Handling at non existent rating, language, and user downloaded books was fixed                                             |                |
+| V 0.6.22      | Upload mimetype is checked to prevent malicious file content in the books library                                                |                |
+| V 0.6.22      | Cross-site scripting (XSS) stored in comments section is prevented better (switching from lxml to bleach for sanitizing strings) |                |
+| V 0.6.23      | Cookies are no longer stored for opds basic authentication and proxy authentication                                              |                |



@@ -42,9 +42,26 @@ def hide_console_windows():


 if __name__ == '__main__':
-    if os.name == "nt":
+    # Only hide the console window on Windows when there is no interactive
+    # console attached. This preserves the ability to use Ctrl+C from a
+    # terminal (stdin is a tty) to stop the server.
+    if os.name == "nt" and not sys.stdin.isatty():
        hide_console_windows()
-    main()
+
+    try:
+        main()
+    except KeyboardInterrupt:
+        # Allow stopping the server with Ctrl+C from an interactive console, after reboot of calibre-web
+        # (initally the SIGINT signal CTRL+C is catched in server.py via the signal callback).
+        try:
+            # Try to perform a graceful stop if web_server is available.
+            # Import here to avoid import-time side-effects when not needed.
+            from cps import web_server
+            web_server.stop()
+        except Exception:
+            pass
+        print('\nCalibre-Web: received interrupt, shutting down')
+        sys.exit(0)



@@ -25,18 +25,17 @@ import sys
 import os
 import mimetypes

-from flask import Flask
+from flask import Flask, request
+from flask.sessions import SecureCookieSessionInterface
 from .MyLoginManager import MyLoginManager
 from flask_principal import Principal

 from . import logger
 from .cli import CliParameter
-from .constants import CONFIG_DIR
 from .reverseproxy import ReverseProxied
 from .server import WebServer
 from .dep_check import dependency_check
 from .updater import Updater
-from .babel import babel, get_locale
 from . import config_sql
 from . import cache_buster
 from . import ub, db
@@ -57,17 +56,17 @@ mimetypes.init()
 mimetypes.add_type('application/xhtml+xml', '.xhtml')
 mimetypes.add_type('application/epub+zip', '.epub')
 mimetypes.add_type('application/epub+zip', '.kepub')
-mimetypes.add_type('text/xml', '.fb2')
-mimetypes.add_type('application/octet-stream', '.mobi')
+mimetypes.add_type('application/fb2+zip', '.fb2')
+mimetypes.add_type('application/x-mobipocket-ebook', '.mobi')
 mimetypes.add_type('application/octet-stream', '.prc')
-mimetypes.add_type('application/vnd.amazon.ebook', '.azw')
-mimetypes.add_type('application/x-mobi8-ebook', '.azw3')
-mimetypes.add_type('application/x-rar', '.cbr')
-mimetypes.add_type('application/zip', '.cbz')
+mimetypes.add_type('application/x-mobipocket-ebook', '.azw')
+mimetypes.add_type('application/x-mobipocket-ebook', '.azw3')
+mimetypes.add_type('application/x-cbr', '.cbr')
+mimetypes.add_type('application/x-cbz', '.cbz')
 mimetypes.add_type('application/x-tar', '.cbt')
 mimetypes.add_type('application/x-7z-compressed', '.cb7')
-mimetypes.add_type('image/vnd.djv', '.djv')
-mimetypes.add_type('image/vnd.djv', '.djvu')
+mimetypes.add_type('image/vnd.djvu', '.djv')
+mimetypes.add_type('image/vnd.djvu', '.djvu')
 mimetypes.add_type('application/mpeg', '.mpeg')
 mimetypes.add_type('audio/mpeg', '.mp3')
 mimetypes.add_type('audio/x-m4a', '.m4a')
@@ -79,14 +78,15 @@ mimetypes.add_type('audio/ogg', '.ogg')
 mimetypes.add_type('application/ogg', '.oga')
 mimetypes.add_type('text/css', '.css')
 mimetypes.add_type('application/x-ms-reader', '.lit')
-mimetypes.add_type('text/javascript; charset=UTF-8', '.js')
+mimetypes.add_type('text/javascript', '.js')
+mimetypes.add_type('text/rtf', '.rtf')

 log = logger.create()

 app = Flask(__name__)
 app.config.update(
    SESSION_COOKIE_HTTPONLY=True,
-    SESSION_COOKIE_SAMESITE='Strict',
+    SESSION_COOKIE_SAMESITE='Lax',
    REMEMBER_COOKIE_SAMESITE='Strict',
    WTF_CSRF_SSL_STRICT=False,
    SESSION_COOKIE_NAME=os.environ.get('COOKIE_PREFIX', "") + "session",
@@ -104,7 +104,7 @@ if wtf_present:
 else:
    csrf = None

-calibre_db = db.CalibreDB()
+calibre_db = db.CalibreDB(app)

 web_server = WebServer()

@@ -115,8 +115,14 @@ if limiter_present:
 else:
    limiter = None

+class ScriptNameSessionInterface(SecureCookieSessionInterface):
+    def get_cookie_path(self, app):
+        # Called once per response, after request context exists
+        return app.wsgi_app.script_name.rstrip("/") or "/"
+

 def create_app():
+    app.session_interface = ScriptNameSessionInterface()
    if csrf:
        csrf.init_app(app)

@@ -148,9 +154,7 @@ def create_app():
    lm.anonymous_user = ub.Anonymous
    lm.session_protection = 'strong' if config.config_session == 1 else "basic"

-    db.CalibreDB.update_config(config)
-    db.CalibreDB.setup_db(config.config_calibre_dir, cli_param.settings_path)
-    calibre_db.init_db()
+    db.CalibreDB.update_config(config, config.config_calibre_dir, cli_param.settings_path)

    updater_thread.init_updater(config, web_server)
    # Perform dry run of updater and exit afterward
@@ -183,6 +187,7 @@ def create_app():
    app.secret_key = os.getenv('SECRET_KEY', config_sql.get_flask_session_key(ub.session))

    web_server.init_app(app, config)
+    from .cw_babel import babel, get_locale
    if hasattr(babel, "localeselector"):
        babel.init_app(app)
        babel.localeselector(get_locale)
@@ -23,7 +23,7 @@
 import sys
 import platform
 import sqlite3
-import importlib
+from importlib.metadata import metadata
 from collections import OrderedDict

 import flask
@@ -41,20 +41,18 @@ req = dep_check.load_dependencies(False)
 opt = dep_check.load_dependencies(True)
 for i in (req + opt):
    modules[i[1]] = i[0]
-modules['Jinja2'] = importlib.metadata.version("jinja2")
-try:
+modules['Jinja2'] = metadata("jinja2")["Version"]
+if sys.version_info < (3, 12):
    modules['pySqlite'] = sqlite3.version
-except Exception:
-    pass
 modules['SQLite'] = sqlite3.sqlite_version
 sorted_modules = OrderedDict((sorted(modules.items(), key=lambda x: x[0].casefold())))


 def collect_stats():
    if constants.NIGHTLY_VERSION[0] == "$Format:%H$":
-        calibre_web_version = constants.STABLE_VERSION['version'].replace("b", " Beta")
+        calibre_web_version = constants.STABLE_VERSION.replace("b", " Beta")
    else:
-        calibre_web_version = (constants.STABLE_VERSION['version'].replace("b", " Beta") + ' - '
+        calibre_web_version = (constants.STABLE_VERSION.replace("b", " Beta") + ' - '
                               + constants.NIGHTLY_VERSION[0].replace('%', '%%') + ' - '
                               + constants.NIGHTLY_VERSION[1].replace('%', '%%'))

@@ -32,14 +32,15 @@ from datetime import time as datetime_time
 from functools import wraps
 from urllib.parse import urlparse

-from flask import Blueprint, flash, redirect, url_for, abort, request, make_response, send_from_directory, g, Response
+from flask import Blueprint, flash, redirect, url_for, abort, request, make_response, \
+    send_from_directory, g, jsonify
 from markupsafe import Markup
 from .cw_login import current_user
 from flask_babel import gettext as _
 from flask_babel import get_locale, format_time, format_datetime, format_timedelta
 from sqlalchemy import and_
 from sqlalchemy.orm.attributes import flag_modified
-from sqlalchemy.exc import IntegrityError, OperationalError, InvalidRequestError
+from sqlalchemy.exc import IntegrityError, OperationalError, InvalidRequestError, ArgumentError
 from sqlalchemy.sql.expression import func, or_, text

 from . import constants, logger, helper, services, cli_param
@@ -52,7 +53,7 @@ from .gdriveutils import is_gdrive_ready, gdrive_support
 from .render_template import render_title_template, get_sidebar_config
 from .services.worker import WorkerThread
 from .usermanagement import user_login_required
-from .babel import get_available_translations, get_available_locale, get_user_locale_language
+from .cw_babel import get_available_translations, get_available_locale, get_user_locale_language
 from . import debug_info
 from .string_helper import strip_whitespaces

@@ -118,7 +119,7 @@ def before_request():
    g.allow_upload = config.config_uploading
    g.current_theme = config.config_theme
    g.config_authors_max = config.config_authors_max
-    if '/static/' not in request.path and not config.db_configured and \
+    if ('/static/' not in request.path and not config.db_configured and
        request.endpoint not in ('admin.ajax_db_config',
                                 'admin.simulatedbchange',
                                 'admin.db_configuration',
@@ -126,7 +127,7 @@ def before_request():
                                 'web.login_post',
                                 'web.logout',
                                 'admin.load_dialogtexts',
-                                 'admin.ajax_pathchooser'):
+                                 'admin.ajax_pathchooser')):
        return redirect(url_for('admin.db_configuration'))


@@ -144,7 +145,6 @@ def shutdown():
    show_text = {}
    if task in (0, 1):  # valid commandos received
        # close all database connections
-        calibre_db.dispose()
        ub.dispose()

        if task == 0:
@@ -189,8 +189,8 @@ def reconnect():


@admi.route("/ajax/updateThumbnails", methods=['POST'])
-@admin_required
@user_login_required
+@admin_required
 def update_thumbnails():
    content = config.get_scheduled_task_settings()
    if content['schedule_generate_book_covers']:
@@ -306,7 +306,15 @@ def edit_user_table():
        .group_by(text('books_tags_link.tag')) \
        .order_by(db.Tags.name).all()
    if config.config_restricted_column:
-        custom_values = calibre_db.session.query(db.cc_classes[config.config_restricted_column]).all()
+        try:
+            custom_values = calibre_db.session.query(db.cc_classes[config.config_restricted_column]).all()
+        except (KeyError, AttributeError, IndexError):
+            custom_values = []
+            log.error("Custom Column No.{} does not exist in calibre database".format(
+                config.config_restricted_column))
+            flash(_("Custom Column No.%(column)d does not exist in calibre database",
+                    column=config.config_restricted_column),
+                  category="error")
    else:
        custom_values = []
    if not config.config_anonbrowse:
@@ -371,29 +379,25 @@ def list_users():
            user.default = get_user_locale_language(user.default_language)

    table_entries = {'totalNotFiltered': total_count, 'total': filtered_count, "rows": users}
-    js_list = json.dumps(table_entries, cls=db.AlchemyEncoder)
-    response = make_response(js_list)
-    response.headers["Content-Type"] = "application/json; charset=utf-8"
-    return response
+    return make_response(json.dumps(table_entries, cls=db.AlchemyEncoder))


@admi.route("/ajax/deleteuser", methods=['POST'])
@user_login_required
@admin_required
 def delete_user():
-    user_ids = request.form.to_dict(flat=False)
-    users = None
+    user_ids = request.get_json().get("userid")
    message = ""
-    if "userid[]" in user_ids:
-        users = ub.session.query(ub.User).filter(ub.User.id.in_(user_ids['userid[]'])).all()
-    elif "userid" in user_ids:
-        users = ub.session.query(ub.User).filter(ub.User.id == user_ids['userid'][0]).all()
+    try:
+        users = ub.session.query(ub.User).filter(ub.User.id.in_(user_ids)).all()
+    except (ArgumentError):
+        users = None
    count = 0
    errors = list()
    success = list()
    if not users:
        log.error("User not found")
-        return Response(json.dumps({'type': "danger", 'message': _("User not found")}), mimetype='application/json')
+        return make_response(jsonify(type="danger", message=_("User not found")))
    for user in users:
        try:
            message = _delete_user(user)
@@ -403,13 +407,13 @@ def delete_user():
            errors.append({'type': "danger", 'message': str(ex)})

    if count == 1:
-        log.info("User {} deleted".format(user_ids))
+        log.info("User {} deleted".format(user_ids[0]))
        success = [{'type': "success", 'message': message}]
    elif count > 1:
-        log.info("Users {} deleted".format(user_ids))
+        log.info("Users {} deleted".format(", ".join([str(user_id) for user_id in user_ids])))
        success = [{'type': "success", 'message': _("{} users deleted successfully").format(count)}]
    success.extend(errors)
-    return Response(json.dumps(success), mimetype='application/json')
+    return make_response(jsonify(success))


@admi.route("/ajax/getlocale")
@@ -421,7 +425,7 @@ def table_get_locale():
    current_locale = get_locale()
    for loc in locale:
        ret.append({'value': str(loc), 'text': loc.get_language_name(current_locale)})
-    return json.dumps(ret)
+    return json.dumps(sorted(ret, key=lambda x: x['text']))


@admi.route("/ajax/getdefaultlanguage")
@@ -433,7 +437,7 @@ def table_get_default_lang():
    ret.append({'value': 'all', 'text': _('Show All')})
    for lang in languages:
        ret.append({'value': lang.lang_code, 'text': lang.name})
-    return json.dumps(ret)
+    return json.dumps(sorted(ret, key=lambda x: x['text']))


@admi.route("/ajax/editlistusers/<param>", methods=['POST'])
@@ -491,10 +495,10 @@ def edit_list_user(param):
                                if not ub.session.query(ub.User). \
                                    filter(ub.User.role.op('&')(constants.ROLE_ADMIN) == constants.ROLE_ADMIN,
                                           ub.User.id != user.id).count():
-                                    return Response(
-                                        json.dumps([{'type': "danger",
+                                    return make_response(
+                                        jsonify([{'type': "danger",
                                                     'message': _("No admin user remaining, can't remove admin role",
-                                                                  nick=user.name)}]), mimetype='application/json')
+                                                                  nick=user.name)}]))
                            user.role &= ~value
                        else:
                            raise Exception(_("Value has to be true or false"))
@@ -613,6 +617,8 @@ def load_dialogtexts(element_id):
        texts["main"] = _('Do you really want to delete this domain?')
    elif element_id == "btndeluser":
        texts["main"] = _('Do you really want to delete this user?')
+    elif element_id == "btndelbook":
+        texts["main"] = _('Do you really want to delete this book?')
    elif element_id == "delete_shelf":
        texts["main"] = _('Are you sure you want to delete this shelf?')
    elif element_id == "select_locale":
@@ -621,6 +627,10 @@ def load_dialogtexts(element_id):
        texts["main"] = _('Are you sure you want to change visible book languages for selected user(s)?')
    elif element_id == "role":
        texts["main"] = _('Are you sure you want to change the selected role for the selected user(s)?')
+    elif element_id == "archive_books":
+        texts["main"] = _('Are you sure you want to change the archive status for the selected book(s)?')
+    elif element_id == "read_books":
+        texts["main"] = _('Are you sure you want to change the read status for the selected book(s)?')
    elif element_id == "restrictions":
        texts["main"] = _('Are you sure you want to change the selected restrictions for the selected user(s)?')
    elif element_id == "sidebar_view":
@@ -940,7 +950,7 @@ def do_full_kobo_sync(userid):
    count = ub.session.query(ub.KoboSyncedBooks).filter(userid == ub.KoboSyncedBooks.user_id).delete()
    message = _("{} sync entries deleted").format(count)
    ub.session_commit(message)
-    return Response(json.dumps([{"type": "success", "message": message}]), mimetype='application/json')
+    return make_response(jsonify(type="success", message=message))


 def check_valid_read_column(column):
@@ -982,8 +992,14 @@ def prepare_tags(user, action, tags_name, id_list):
            raise Exception(_("Tag not found"))
        new_tags_list = [x.name for x in tags]
    else:
-        tags = calibre_db.session.query(db.cc_classes[config.config_restricted_column]) \
-            .filter(db.cc_classes[config.config_restricted_column].id.in_(id_list)).all()
+        try:
+            tags = calibre_db.session.query(db.cc_classes[config.config_restricted_column]) \
+                .filter(db.cc_classes[config.config_restricted_column].id.in_(id_list)).all()
+        except (KeyError, AttributeError, IndexError):
+            log.error("Custom Column No.{} does not exist in calibre database".format(
+                config.config_restricted_column))
+            raise Exception(_("Custom Column No.%(column)d does not exist in calibre database",
+                    column=config.config_restricted_column))
        new_tags_list = [x.value for x in tags]
    saved_tags_list = user.__dict__[tags_name].split(",") if len(user.__dict__[tags_name]) else []
    if action == "remove":
@@ -1251,7 +1267,7 @@ def _configuration_ldap_helper(to_save):
@admin_required
 def simulatedbchange():
    db_change, db_valid = _db_simulate_change()
-    return Response(json.dumps({"change": db_change, "valid": db_valid}), mimetype='application/json')
+    return make_response(jsonify(change=db_change, valid=db_valid))


@admi.route("/admin/user/new", methods=["GET", "POST"])
@@ -1723,14 +1739,12 @@ def _db_configuration_update_helper():
            return _db_configuration_result(_("Books path not valid"), gdrive_error)
        else:
            _config_string(to_save, "config_calibre_split_dir")
-
-    if db_change or not db_valid or not config.db_configured \
-      or config.config_calibre_dir != to_save["config_calibre_dir"]:
+    if (db_change or not db_valid or not config.db_configured
+           or config.config_calibre_dir != to_save["config_calibre_dir"]):
        if not os.path.exists(metadata_db) or not to_save['config_calibre_dir']:
            return _db_configuration_result(_('DB Location is not Valid, Please Enter Correct Path'), gdrive_error)
        else:
            calibre_db.setup_db(to_save['config_calibre_dir'], ub.app_DB_path)
-        config.store_calibre_uuid(calibre_db, db.Library_Id)
        # if db changed -> delete shelfs, delete download books, delete read books, kobo sync...
        if db_change:
            log.info("Calibre Database changed, all Calibre-Web info related to old Database gets deleted")
@@ -1744,11 +1758,20 @@ def _db_configuration_update_helper():
            ub.session.query(ub.KoboSyncedBooks).delete()
            helper.delete_thumbnail_cache()
            ub.session_commit()
+            # deleted visibilities based on custom column and tags
+            config.config_restricted_column = 0
+            config.config_denied_tags = ""
+            config.config_allowed_tags = ""
+            config.config_columns_to_ignore = ""
+            config.config_denied_column_value = ""
+            config.config_allowed_column_value = ""
+            config.config_read_column = 0
        _config_string(to_save, "config_calibre_dir")
-        calibre_db.update_config(config)
+        calibre_db.update_config(config, config.config_calibre_dir, ub.app_DB_path)
+        config.store_calibre_uuid(calibre_db, db.Library_Id)
        if not os.access(os.path.join(config.config_calibre_dir, "metadata.db"), os.W_OK):
            flash(_("DB is not Writeable"), category="warning")
-    calibre_db.update_config(config)
+    calibre_db.update_config(config, config.config_calibre_dir, ub.app_DB_path)
    config.save()
    return _db_configuration_result(None, gdrive_error)

@@ -1815,6 +1838,9 @@ def _configuration_update_helper():
            services.goodreads_support.connect(config.config_goodreads_api_key,
                                               config.config_use_goodreads)

+        # Google Books API configuration
+        reboot_required |=_config_string(to_save, "config_googlebooks_api_key")
+        
        _config_int(to_save, "config_updatechannel")

        # Reverse proxy login configuration
@@ -1876,7 +1902,7 @@ def _configuration_result(error_flash=None, reboot=False):
        resp['result'] = [{'type': "success", 'message': _("Calibre-Web configuration updated")}]
    resp['reboot'] = reboot
    resp['config_upload'] = config.config_upload_formats
-    return Response(json.dumps(resp), mimetype='application/json')
+    return make_response(jsonify(resp))


 def _db_configuration_result(error_flash=None, gdrive_error=None):
@@ -2081,7 +2107,7 @@ def _handle_edit_user(to_save, content, languages, translations, kobo_support):


 def extract_user_data_from_field(user, field):
-    match = re.search(field + r"=([@\.\d\s\w-]+)", user, re.IGNORECASE | re.UNICODE)
+    match = re.search(field + r"=(.*?)($|(?<!\\),)", user, re.IGNORECASE | re.UNICODE)    
    if match:
        return match.group(1)
    else:
@@ -2089,7 +2115,7 @@ def extract_user_data_from_field(user, field):


 def extract_dynamic_field_from_filter(user, filtr):
-    match = re.search("([a-zA-Z0-9-]+)=%s", filtr, re.IGNORECASE | re.UNICODE)
+    match = re.search(r"([a-zA-Z0-9-]+)=%s", filtr, re.IGNORECASE | re.UNICODE)
    if match:
        return match.group(1)
    else:
@@ -16,8 +16,6 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.

-import os
-
 import mutagen
 import base64
 from . import cover, logger
@@ -51,13 +49,12 @@ def get_audio_file_info(tmp_file_path, original_file_extension, original_file_na
            if not pubdate:
                pubdate = str(audio_file.tags.get('TDOR').text[0]) if "TDOR" in audio_file.tags else None
        if cover_data and not no_cover_processing:
-            tmp_cover_name = os.path.join(os.path.dirname(tmp_file_path), 'cover.jpg')
            cover_info = cover_data[0]
            for dat in cover_data:
                if dat.type == mutagen.id3.PictureType.COVER_FRONT:
                    cover_info = dat
                    break
-            cover.cover_processing(tmp_file_path, cover_info.data, "." + cover_info.mime[-3:])
+            tmp_cover_name = cover.cover_processing(tmp_file_path, cover_info.data, "." + cover_info.mime[-3:])
    elif original_file_extension in [".ogg", ".flac", ".opus", ".ogv"]:
        title = audio_file.tags.get('TITLE')[0] if "TITLE" in audio_file else None
        author = audio_file.tags.get('ARTIST')[0] if "ARTIST" in audio_file else None
@@ -70,17 +67,15 @@ def get_audio_file_info(tmp_file_path, original_file_extension, original_file_na
        cover_data = audio_file.tags.get('METADATA_BLOCK_PICTURE')
        if not no_cover_processing:
            if cover_data:
-                tmp_cover_name = os.path.join(os.path.dirname(tmp_file_path), 'cover.jpg')
                cover_info = mutagen.flac.Picture(base64.b64decode(cover_data[0]))
-                cover.cover_processing(tmp_file_path, cover_info.data, "." + cover_info.mime[-3:])
+                tmp_cover_name = cover.cover_processing(tmp_file_path, cover_info.data, "." + cover_info.mime[-3:])
            if hasattr(audio_file, "pictures"):
                cover_info = audio_file.pictures[0]
                for dat in audio_file.pictures:
                    if dat.type == mutagen.id3.PictureType.COVER_FRONT:
                        cover_info = dat
                        break
-                tmp_cover_name = os.path.join(os.path.dirname(tmp_file_path), 'cover.jpg')
-                cover.cover_processing(tmp_file_path, cover_info.data, "." + cover_info.mime[-3:])
+                tmp_cover_name = cover.cover_processing(tmp_file_path, cover_info.data, "." + cover_info.mime[-3:])
    elif original_file_extension in [".aac"]:
        title = audio_file.tags.get('Title').value if "Title" in audio_file else None
        author = audio_file.tags.get('Artist').value if "Artist" in audio_file else None
@@ -92,7 +87,7 @@ def get_audio_file_info(tmp_file_path, original_file_extension, original_file_na
        pubdate = audio_file.tags.get('Year').value if "Year" in audio_file else None
        cover_data = audio_file.tags['Cover Art (Front)']
        if cover_data and not no_cover_processing:
-            tmp_cover_name = os.path.join(os.path.dirname(tmp_file_path), 'cover.jpg')
+            tmp_cover_name = tmp_file_path + '.jpg'
            with open(tmp_cover_name, "wb") as cover_file:
                cover_file.write(cover_data.value.split(b"\x00",1)[1])
    elif original_file_extension in [".asf"]:
@@ -106,7 +101,7 @@ def get_audio_file_info(tmp_file_path, original_file_extension, original_file_na
        pubdate = audio_file.tags.get('Year')[0].value if "Year" in audio_file else None
        cover_data = audio_file.tags.get('WM/Picture', None)
        if cover_data and not no_cover_processing:
-            tmp_cover_name = os.path.join(os.path.dirname(tmp_file_path), 'cover.jpg')
+            tmp_cover_name = tmp_file_path + '.jpg'
            with open(tmp_cover_name, "wb") as cover_file:
                cover_file.write(cover_data[0].value)
    elif original_file_extension in [".mp4", ".m4a", ".m4b"]:
@@ -120,7 +115,6 @@ def get_audio_file_info(tmp_file_path, original_file_extension, original_file_na
        pubdate = audio_file.tags.get('©day')[0] if "©day" in audio_file.tags else None
        cover_data = audio_file.tags.get('covr', None)
        if cover_data and not no_cover_processing:
-            tmp_cover_name = os.path.join(os.path.dirname(tmp_file_path), 'cover.jpg')
            cover_type = None
            for c in cover_data:
                if c.imageformat == mutagen.mp4.AtomDataType.JPEG:
@@ -132,7 +126,7 @@ def get_audio_file_info(tmp_file_path, original_file_extension, original_file_na
                    cover_bin = c
                    break
            if cover_type:
-                cover.cover_processing(tmp_file_path, cover_bin, cover_type)
+                tmp_cover_name = cover.cover_processing(tmp_file_path, cover_bin, cover_type)
            else:
                logger.error("Unknown covertype in file {} ".format(original_file_name))

@@ -29,8 +29,8 @@ from .constants import DEFAULT_SETTINGS_FILE, DEFAULT_GDRIVE_FILE

 def version_info():
    if _NIGHTLY_VERSION[1].startswith('$Format'):
-        return "Calibre-Web version: %s - unknown git-clone" % _STABLE_VERSION['version'].replace("b", " Beta")
-    return "Calibre-Web version: %s -%s" % (_STABLE_VERSION['version'].replace("b", " Beta"), _NIGHTLY_VERSION[1])
+        return "Calibre-Web version: %s - unknown git-clone" % _STABLE_VERSION.replace("b", " Beta")
+    return "Calibre-Web version: %s -%s" % (_STABLE_VERSION.replace("b", " Beta"), _NIGHTLY_VERSION[1])


 class CliParameter(object):
@@ -65,7 +65,7 @@ def _extract_cover_from_archive(original_file_extension, tmp_file_name, rar_exec
    cover_data = extension = None
    if original_file_extension.upper() == '.CBZ':
        cf = zipfile.ZipFile(tmp_file_name)
-        for name in cf.namelist():
+        for name in sorted(cf.namelist()):
            ext = os.path.splitext(name)
            if len(ext) > 1:
                extension = ext[1].lower()
@@ -74,7 +74,7 @@ def _extract_cover_from_archive(original_file_extension, tmp_file_name, rar_exec
                    break
    elif original_file_extension.upper() == '.CBT':
        cf = tarfile.TarFile(tmp_file_name)
-        for name in cf.getnames():
+        for name in sorted(cf.getnames()):
            ext = os.path.splitext(name)
            if len(ext) > 1:
                extension = ext[1].lower()
@@ -85,18 +85,18 @@ def _extract_cover_from_archive(original_file_extension, tmp_file_name, rar_exec
        try:
            rarfile.UNRAR_TOOL = rar_executable
            cf = rarfile.RarFile(tmp_file_name)
-            for name in cf.namelist():
+            for name in sorted(cf.namelist()):
                ext = os.path.splitext(name)
                if len(ext) > 1:
                    extension = ext[1].lower()
                    if extension in cover.COVER_EXTENSIONS:
-                        cover_data = cf.read([name])
+                        cover_data = cf.read(name)
                        break
        except Exception as ex:
            log.error('Rarfile failed with error: {}'.format(ex))
    elif original_file_extension.upper() == '.CB7' and use_7zip:
        cf = py7zr.SevenZipFile(tmp_file_name)
-        for name in cf.getnames():
+        for name in sorted(cf.getnames()):
            ext = os.path.splitext(name)
            if len(ext) > 1:
                extension = ext[1].lower()
@@ -109,13 +109,13 @@ def _extract_cover_from_archive(original_file_extension, tmp_file_name, rar_exec
    return cover_data, extension


-def _extract_cover(tmp_file_name, original_file_extension, rar_executable):
+def _extract_cover(tmp_file_path, original_file_extension, rar_executable):
    cover_data = extension = None
    if use_comic_meta:
        try:
-            archive = ComicArchive(tmp_file_name, rar_exe_path=rar_executable)
+            archive = ComicArchive(tmp_file_path, rar_exe_path=rar_executable)
        except TypeError:
-            archive = ComicArchive(tmp_file_name)
+            archive = ComicArchive(tmp_file_path)
        name_list = archive.getPageNameList if hasattr(archive, "getPageNameList") else archive.get_page_name_list
        for index, name in enumerate(name_list()):
            ext = os.path.splitext(name)
@@ -126,8 +126,8 @@ def _extract_cover(tmp_file_name, original_file_extension, rar_executable):
                    cover_data = get_page(index)
                    break
    else:
-        cover_data, extension = _extract_cover_from_archive(original_file_extension, tmp_file_name, rar_executable)
-    return cover.cover_processing(tmp_file_name, cover_data, extension)
+        cover_data, extension = _extract_cover_from_archive(original_file_extension, tmp_file_path, rar_executable)
+    return cover.cover_processing(tmp_file_path, cover_data, extension)


 def get_comic_info(tmp_file_path, original_file_name, original_file_extension, rar_executable, no_cover_processing):
@@ -117,6 +117,7 @@ class _Settings(_Base):

    config_use_goodreads = Column(Boolean, default=False)
    config_goodreads_api_key = Column(String)
+    config_googlebooks_api_key = Column(String, default='')
    config_register_email = Column(Boolean, default=False)
    config_login_type = Column(Integer, default=0)

@@ -325,7 +326,7 @@ class ConfigSQL(object):
    def to_dict(self):
        storage = {}
        for k, v in self.__dict__.items():
-            if k[0] != '_' and not k.endswith("_e") and not k == "cli":
+            if k[0] != '_' and not k.endswith("_e") and not k == "cli" and 'api' not in k.lower():
                storage[k] = v
        return storage

@@ -405,11 +406,13 @@ class ConfigSQL(object):
        return self.config_calibre_split_dir if self.config_calibre_split_dir else self.config_calibre_dir

    def store_calibre_uuid(self, calibre_db, Library_table):
+        from . import app
        try:
-            calibre_uuid = calibre_db.session.query(Library_table).one_or_none()
-            if self.config_calibre_uuid != calibre_uuid.uuid:
-                self.config_calibre_uuid = calibre_uuid.uuid
-                self.save()
+            with app.app_context():
+                calibre_uuid = calibre_db.session.query(Library_table).one_or_none()
+                if self.config_calibre_uuid != calibre_uuid.uuid:
+                    self.config_calibre_uuid = calibre_uuid.uuid
+                    self.save()
        except AttributeError:
            pass

@@ -483,6 +486,8 @@ def autodetect_calibre_binaries():
                        "C:\\program files(x86)\\calibre\\",
                        "C:\\program files(x86)\\calibre2\\",
                        "C:\\program files\\calibre2\\"]
+    elif sys.platform.startswith("freebsd"):
+        calibre_path = ["/usr/local/bin/"]
    else:
        calibre_path = ["/opt/calibre/"]
    for element in calibre_path:
@@ -513,6 +518,8 @@ def autodetect_unrar_binary():
    if sys.platform == "win32":
        calibre_path = ["C:\\program files\\WinRar\\unRAR.exe",
                        "C:\\program files(x86)\\WinRar\\unRAR.exe"]
+    elif sys.platform.startswith("freebsd"):
+        calibre_path = ["/usr/local/bin/unrar"]
    else:
        calibre_path = ["/usr/bin/unrar"]
    for element in calibre_path:
@@ -525,6 +532,8 @@ def autodetect_kepubify_binary():
    if sys.platform == "win32":
        calibre_path = ["C:\\program files\\kepubify\\kepubify-windows-64Bit.exe",
                        "C:\\program files(x86)\\kepubify\\kepubify-windows-64Bit.exe"]
+    elif sys.platform.startswith("freebsd"):
+        calibre_path = ["/usr/local/bin/kepubify"]
    else:
        calibre_path = ["/opt/kepubify/kepubify-linux-64bit", "/opt/kepubify/kepubify-linux-32bit"]
    for element in calibre_path:
@@ -19,9 +19,6 @@
 import sys
 import os
 from collections import namedtuple
-from sqlalchemy import __version__ as sql_version
-
-sqlalchemy_version2 = ([int(x) for x in sql_version.split('.')] >= [2, 0, 0])

 # APP_MODE - production, development, or test
 APP_MODE             = os.environ.get('APP_MODE', 'production')
@@ -40,9 +37,12 @@ STATIC_DIR          = os.path.join(BASE_DIR, 'cps', 'static')
 TEMPLATES_DIR       = os.path.join(BASE_DIR, 'cps', 'templates')
 TRANSLATIONS_DIR    = os.path.join(BASE_DIR, 'cps', 'translations')

-# Cache dir - use CACHE_DIR environment variable, otherwise use the default directory: cps/cache
+# Cache dir - use CACHE_DIRECTORY environment variable, otherwise CACHE_DIR (for backwards compatibility),
+# otherwise use the default directory: cps/cache
 DEFAULT_CACHE_DIR   = os.path.join(BASE_DIR, 'cps', 'cache')
-CACHE_DIR           = os.environ.get('CACHE_DIR', DEFAULT_CACHE_DIR)
+CACHE_DIRECTORY = os.environ.get(
+    'CACHE_DIRECTORY', os.environ.get('CACHE_DIR', DEFAULT_CACHE_DIR)
+)

 if HOME_CONFIG:
    home_dir = os.path.join(os.path.expanduser("~"), ".calibre-web")
@@ -175,7 +175,7 @@ BookMeta = namedtuple('BookMeta', 'file_path, extension, title, author, cover, d
                                  'series_id, languages, publisher, pubdate, identifiers')

 # python build process likes to have x.y.zbw -> b for beta and w a counting number
-STABLE_VERSION = {'version': '0.6.24b'}
+STABLE_VERSION =  '0.6.26'

 NIGHTLY_VERSION = dict()
 NIGHTLY_VERSION[0] = '$Format:%H$'
@@ -29,13 +29,14 @@ NO_JPEG_EXTENSIONS = ['.png', '.webp', '.bmp']
 COVER_EXTENSIONS = ['.png', '.webp', '.bmp', '.jpg', '.jpeg']


-def cover_processing(tmp_file_name, img, extension):
-    tmp_cover_name = os.path.join(os.path.dirname(tmp_file_name), 'cover.jpg')
+def cover_processing(tmp_file_path, img, extension):
+    # tmp_cover_name = os.path.join(os.path.dirname(tmp_file_name), 'cover.jpg')
+    tmp_cover_name = tmp_file_path + '.jpg'
    if extension in NO_JPEG_EXTENSIONS:
        if use_IM:
            with Image(blob=img) as imgc:
                imgc.format = 'jpeg'
-                imgc.transform_colorspace('rgb')
+                imgc.transform_colorspace('srgb')
                imgc.save(filename=tmp_cover_name)
                return tmp_cover_name
        else:
@@ -0,0 +1,22 @@
+#
+# Copyright 2015 Jordan Milne
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Source: https://github.com/JordanMilne/Advocate
+
+
+from .adapters import ValidatingHTTPAdapter
+from .api import *
+from .addrvalidator import AddrValidator
+from .exceptions import UnacceptableAddressException
@@ -0,0 +1,48 @@
+#
+# Copyright 2015 Jordan Milne
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Source: https://github.com/JordanMilne/Advocate
+
+from requests.adapters import HTTPAdapter, DEFAULT_POOLBLOCK
+
+from .addrvalidator import AddrValidator
+from .exceptions import ProxyDisabledException
+from .poolmanager import ValidatingPoolManager
+
+
+class ValidatingHTTPAdapter(HTTPAdapter):
+    __attrs__ = HTTPAdapter.__attrs__ + ['_validator']
+
+    def __init__(self, *args, **kwargs):
+        self._validator = kwargs.pop('validator', None)
+        if not self._validator:
+            self._validator = AddrValidator()
+        super().__init__(*args, **kwargs)
+
+    def init_poolmanager(self, connections, maxsize, block=DEFAULT_POOLBLOCK,
+                         **pool_kwargs):
+        self._pool_connections = connections
+        self._pool_maxsize = maxsize
+        self._pool_block = block
+        self.poolmanager = ValidatingPoolManager(
+            num_pools=connections,
+            maxsize=maxsize,
+            block=block,
+            validator=self._validator,
+            **pool_kwargs
+        )
+
+    def proxy_manager_for(self, proxy, **proxy_kwargs):
+        raise ProxyDisabledException("Proxies cannot be used with Advocate")
@@ -0,0 +1,281 @@
+#
+# Copyright 2015 Jordan Milne
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Source: https://github.com/JordanMilne/Advocate
+
+import functools
+import fnmatch
+import ipaddress
+import re
+
+try:
+    import netifaces
+    HAVE_NETIFACES = True
+except ImportError:
+    netifaces = None
+    HAVE_NETIFACES = False
+
+from .exceptions import NameserverException, ConfigException
+
+
+def canonicalize_hostname(hostname):
+    """Lowercase and punycodify a hostname"""
+    # We do the lowercasing after IDNA encoding because we only want to
+    # lowercase the *ASCII* chars.
+    # TODO: The differences between IDNA2003 and IDNA2008 might be relevant
+    # to us, but both specs are damn confusing.
+    return str(hostname.encode("idna").lower(), 'utf-8')
+
+
+def determine_local_addresses():
+    """Get all IPs that refer to this machine according to netifaces"""
+    if not HAVE_NETIFACES:
+        raise ConfigException("Tried to determine local addresses, "
+                              "but netifaces module was not importable")
+    ips = []
+    for interface in netifaces.interfaces():
+        if_families = netifaces.ifaddresses(interface)
+        for family_kind in {netifaces.AF_INET, netifaces.AF_INET6}:
+            addrs = if_families.get(family_kind, [])
+            for addr in (x.get("addr", "") for x in addrs):
+                if family_kind == netifaces.AF_INET6:
+                    # We can't do anything sensible with the scope here
+                    addr = addr.split("%")[0]
+                ips.append(ipaddress.ip_network(addr))
+    return ips
+
+
+def add_local_address_arg(func):
+    """Add the "_local_addresses" kwarg if it's missing
+
+    IMO this information shouldn't be cached between calls (what if one of the
+    adapters got a new IP at runtime?,) and we don't want each function to
+    recalculate it. Just recalculate it if the caller didn't provide it for us.
+    """
+    @functools.wraps(func)
+    def wrapper(self, *args, **kwargs):
+        if "_local_addresses" not in kwargs:
+            if self.autodetect_local_addresses:
+                kwargs["_local_addresses"] = determine_local_addresses()
+            else:
+                kwargs["_local_addresses"] = []
+        return func(self, *args, **kwargs)
+    return wrapper
+
+
+class AddrValidator:
+    _6TO4_RELAY_NET = ipaddress.ip_network("192.88.99.0/24")
+    # Just the well known prefix, DNS64 servers can set their own
+    # prefix, but in practice most probably don't.
+    _DNS64_WK_PREFIX = ipaddress.ip_network("64:ff9b::/96")
+    DEFAULT_PORT_WHITELIST = {80, 8080, 443, 8443, 8000}
+
+    def __init__(
+            self,
+            ip_blacklist=None,
+            ip_whitelist=None,
+            port_whitelist=None,
+            port_blacklist=None,
+            hostname_blacklist=None,
+            allow_ipv6=False,
+            allow_teredo=False,
+            allow_6to4=False,
+            allow_dns64=False,
+            # Must be explicitly set to "False" if you don't want to try
+            # detecting local interface addresses with netifaces.
+            autodetect_local_addresses=True,
+    ):
+        if not port_blacklist and not port_whitelist:
+            # An assortment of common HTTPS? ports.
+            port_whitelist = self.DEFAULT_PORT_WHITELIST.copy()
+        self.ip_blacklist = ip_blacklist or set()
+        self.ip_whitelist = ip_whitelist or set()
+        self.port_blacklist = port_blacklist or set()
+        self.port_whitelist = port_whitelist or set()
+        # TODO: ATM this can contain either regexes or globs that are converted
+        # to regexes upon every check. Create a collection that automagically
+        # converts them to regexes on insert?
+        self.hostname_blacklist = hostname_blacklist or set()
+        self.allow_ipv6 = allow_ipv6
+        self.allow_teredo = allow_teredo
+        self.allow_6to4 = allow_6to4
+        self.allow_dns64 = allow_dns64
+        self.autodetect_local_addresses = autodetect_local_addresses
+
+    @add_local_address_arg
+    def is_ip_allowed(self, addr_ip, _local_addresses=None):
+        if not isinstance(addr_ip,
+                          (ipaddress.IPv4Address, ipaddress.IPv6Address)):
+            addr_ip = ipaddress.ip_address(addr_ip)
+
+        # The whitelist should take precedence over the blacklist so we can
+        # punch holes in blacklisted ranges
+        if any(addr_ip in net for net in self.ip_whitelist):
+            return True
+
+        if any(addr_ip in net for net in self.ip_blacklist):
+            return False
+
+        if any(addr_ip in net for net in _local_addresses):
+            return False
+
+        if addr_ip.version == 4:
+            if not addr_ip.is_private:
+                # IPs for carrier-grade NAT. Seems weird that it doesn't set
+                # `is_private`, but we need to check `not is_global`
+                if not ipaddress.ip_network(addr_ip).is_global:
+                    return False
+        elif addr_ip.version == 6:
+            # You'd better have a good reason for enabling IPv6
+            # because Advocate's techniques don't work well without NAT.
+            if not self.allow_ipv6:
+                return False
+
+            # v6 addresses can also map to IPv4 addresses! Tricky!
+            v4_nested = []
+            if addr_ip.ipv4_mapped:
+                v4_nested.append(addr_ip.ipv4_mapped)
+            # WTF IPv6? Why you gotta have a billion tunneling mechanisms?
+            # XXX: Do we even really care about these? If we're tunneling
+            # through public servers we shouldn't be able to access
+            # addresses on our private network, right?
+            if addr_ip.sixtofour:
+                if not self.allow_6to4:
+                    return False
+                v4_nested.append(addr_ip.sixtofour)
+            if addr_ip.teredo:
+                if not self.allow_teredo:
+                    return False
+                # Check both the client *and* server IPs
+                v4_nested.extend(addr_ip.teredo)
+            if addr_ip in self._DNS64_WK_PREFIX:
+                if not self.allow_dns64:
+                    return False
+                # When using the well-known prefix the last 4 bytes
+                # are the IPv4 addr
+                v4_nested.append(ipaddress.ip_address(addr_ip.packed[-4:]))
+
+            if not all(self.is_ip_allowed(addr_v4) for addr_v4 in v4_nested):
+                return False
+
+            # fec0::*, apparently deprecated?
+            if addr_ip.is_site_local:
+                return False
+        else:
+            raise ValueError("Unsupported IP version(?): %r" % addr_ip)
+
+        # 169.254.XXX.XXX, AWS uses these for autoconfiguration
+        if addr_ip.is_link_local:
+            return False
+        # 127.0.0.1, ::1, etc.
+        if addr_ip.is_loopback:
+            return False
+        if addr_ip.is_multicast:
+            return False
+        # 192.168.XXX.XXX, 10.XXX.XXX.XXX
+        if addr_ip.is_private:
+            return False
+        # 255.255.255.255, ::ffff:XXXX:XXXX (v6->v4) mapping
+        if addr_ip.is_reserved:
+            return False
+        # There's no reason to connect directly to a 6to4 relay
+        if addr_ip in self._6TO4_RELAY_NET:
+            return False
+        # 0.0.0.0
+        if addr_ip.is_unspecified:
+            return False
+
+        # It doesn't look bad, so... it's must be ok!
+        return True
+
+    def _hostname_matches_pattern(self, hostname, pattern):
+        # If they specified a string, just assume they only want basic globbing.
+        # This stops people from not realizing they're dealing in REs and
+        # not escaping their periods unless they specifically pass in an RE.
+        # This has the added benefit of letting us sanely handle globbed
+        # IDNs by default.
+        if isinstance(pattern, str):
+            # convert the glob to a punycode glob, then a regex
+            pattern = fnmatch.translate(canonicalize_hostname(pattern))
+
+        hostname = canonicalize_hostname(hostname)
+        # Down the line the hostname may get treated as a null-terminated string
+        # (as with `socket.getaddrinfo`.) Try to account for that.
+        #
+        #    >>> socket.getaddrinfo("example.com\x00aaaa", 80)
+        #    [(2, 1, 6, '', ('93.184.216.34', 80)), [...]
+        no_null_hostname = hostname.split("\x00")[0]
+
+        return any(re.match(pattern, x.strip(".")) for x
+                   in (no_null_hostname, hostname))
+
+    def is_hostname_allowed(self, hostname):
+        # Sometimes (like with "external" services that your IP has privileged
+        # access to) you might not always know the IP range to blacklist access
+        # to, or the `A` record might change without you noticing.
+        # For e.x.: `foocorp.external.org`.
+        #
+        # Another option is doing something like:
+        #
+        #     for addrinfo in socket.getaddrinfo("foocorp.external.org", 80):
+        #         global_validator.ip_blacklist.add(ip_address(addrinfo[4][0]))
+        #
+        # but that's not always a good idea if they're behind a third-party lb.
+        for pattern in self.hostname_blacklist:
+            if self._hostname_matches_pattern(hostname, pattern):
+                return False
+        return True
+
+    @add_local_address_arg
+    def is_addrinfo_allowed(self, addrinfo, _local_addresses=None):
+        assert(len(addrinfo) == 5)
+        # XXX: Do we care about any of the other elements? Guessing not.
+        family, socktype, proto, canonname, sockaddr = addrinfo
+
+        # The 4th elem inaddrinfo may either be a touple of two or four items,
+        # depending on whether we're dealing with IPv4 or v6
+        if len(sockaddr) == 2:
+            # v4
+            ip, port = sockaddr
+        elif len(sockaddr) == 4:
+            # v6
+            # XXX: what *are* `flow_info` and `scope_id`? Anything useful?
+            # Seems like we can figure out all we need about the scope from
+            # the `is_<x>` properties.
+            ip, port, flow_info, scope_id = sockaddr
+        else:
+            raise ValueError("Unexpected addrinfo format %r" % sockaddr)
+
+        # Probably won't help protect against SSRF, but might prevent our being
+        # used to attack others' non-HTTP services. See
+        # http://www.remote.org/jochen/sec/hfpa/
+        if self.port_whitelist and port not in self.port_whitelist:
+            return False
+        if port in self.port_blacklist:
+            return False
+
+        if self.hostname_blacklist:
+            if not canonname:
+                raise NameserverException(
+                    "addrinfo must contain the canon name to do blacklisting "
+                    "based on hostname. Make sure you use the "
+                    "`socket.AI_CANONNAME` flag, and that each record contains "
+                    "the canon name. Your DNS server might also be garbage."
+                )
+
+            if not self.is_hostname_allowed(canonname):
+                return False
+
+        return self.is_ip_allowed(ip, _local_addresses=_local_addresses)
@@ -0,0 +1,202 @@
+#
+# Copyright 2015 Jordan Milne
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Source: https://github.com/JordanMilne/Advocate
+
+"""
+advocate.api
+~~~~~~~~~~~~
+
+This module implements the Requests API, largely a copy/paste from `requests`
+itself.
+
+:copyright: (c) 2015 by Jordan Milne.
+:license: Apache2, see LICENSE for more details.
+
+"""
+from collections import OrderedDict
+import hashlib
+import pickle
+
+from requests import Session as RequestsSession
+
+# import cw_advocate
+from .adapters import ValidatingHTTPAdapter
+from .exceptions import MountDisabledException
+
+
+class Session(RequestsSession):
+    """Convenience wrapper around `requests.Session` set up for `advocate`ing"""
+
+    __attrs__ = RequestsSession.__attrs__ + ["validator"]
+    DEFAULT_VALIDATOR = None
+    """
+    User-replaceable default validator to use for all Advocate sessions,
+    includes sessions created by advocate.get()
+    """
+
+    def __init__(self, *args, **kwargs):
+        self.validator = kwargs.pop("validator", None) or self.DEFAULT_VALIDATOR
+        adapter_kwargs = kwargs.pop("_adapter_kwargs", {})
+
+        # `Session.__init__()` calls `mount()` internally, so we need to allow
+        # it temporarily
+        self.__mount_allowed = True
+        RequestsSession.__init__(self, *args, **kwargs)
+
+        # Drop any existing adapters
+        self.adapters = OrderedDict()
+
+        self.mount("http://", ValidatingHTTPAdapter(validator=self.validator, **adapter_kwargs))
+        self.mount("https://", ValidatingHTTPAdapter(validator=self.validator, **adapter_kwargs))
+        self.__mount_allowed = False
+
+    def mount(self, *args, **kwargs):
+        """Wrapper around `mount()` to prevent a protection bypass"""
+        if self.__mount_allowed:
+            super().mount(*args, **kwargs)
+        else:
+            raise MountDisabledException(
+                "mount() is disabled to prevent protection bypasses"
+            )
+
+
+def session(*args, **kwargs):
+    return Session(*args, **kwargs)
+
+
+def request(method, url, **kwargs):
+    """Constructs and sends a :class:`Request <Request>`.
+
+    :param method: method for the new :class:`Request` object.
+    :param url: URL for the new :class:`Request` object.
+    :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`.
+    :param data: (optional) Dictionary, bytes, or file-like object to send in the body of the :class:`Request`.
+    :param json: (optional) json data to send in the body of the :class:`Request`.
+    :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`.
+    :param cookies: (optional) Dict or CookieJar object to send with the :class:`Request`.
+    :param files: (optional) Dictionary of ``'name': file-like-objects`` (or ``{'name': ('filename', fileobj)}``) for multipart encoding upload.
+    :param auth: (optional) Auth tuple to enable Basic/Digest/Custom HTTP Auth.
+    :param timeout: (optional) How long to wait for the server to send data
+        before giving up, as a float, or a (`connect timeout, read timeout
+        <user/advanced.html#timeouts>`_) tuple.
+    :type timeout: float or tuple
+    :param allow_redirects: (optional) Boolean. Set to True if POST/PUT/DELETE redirect following is allowed.
+    :type allow_redirects: bool
+    :param proxies: (optional) Dictionary mapping protocol to the URL of the proxy.
+    :param verify: (optional) if ``True``, the SSL cert will be verified. A CA_BUNDLE path can also be provided.
+    :param stream: (optional) if ``False``, the response content will be immediately downloaded.
+    :param cert: (optional) if String, path to ssl client cert file (.pem). If Tuple, ('cert', 'key') pair.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    validator = kwargs.pop("validator", None)
+    with Session(validator=validator) as sess:
+        response = sess.request(method=method, url=url, **kwargs)
+    return response
+
+
+def get(url, **kwargs):
+    """Sends a GET request.
+
+    :param url: URL for the new :class:`Request` object.
+    :param **kwargs: Optional arguments that ``request`` takes.
+    :return: :class:`Response <Response>` object
+    :rtype: requests.Response
+    """
+
+    kwargs.setdefault('allow_redirects', True)
+    return request('get', url, **kwargs)
+
+
+class RequestsAPIWrapper:
+    """Provides a `requests.api`-like interface with a specific validator"""
+
+    # Due to how the classes are dynamically constructed pickling may not work
+    # correctly unless loaded within the same interpreter instance.
+    # Enable at your peril.
+    SUPPORT_WRAPPER_PICKLING = False
+
+    def __init__(self, validator):
+        # Do this here to avoid circular import issues
+        try:
+            from .futures import FuturesSession
+            have_requests_futures = True
+        except ImportError as e:
+            have_requests_futures = False
+
+        self.validator = validator
+        outer_self = self
+
+        class _WrappedSession(Session):
+            """An `advocate.Session` that uses the wrapper's blacklist
+
+            the wrapper is meant to be a transparent replacement for `requests`,
+            so people should be able to subclass `wrapper.Session` and still
+            get the desired validation behaviour
+            """
+            DEFAULT_VALIDATOR = outer_self.validator
+
+        self._make_wrapper_cls_global(_WrappedSession)
+
+        if have_requests_futures:
+
+            class _WrappedFuturesSession(FuturesSession):
+                """Like _WrappedSession, but for `FuturesSession`s"""
+                DEFAULT_VALIDATOR = outer_self.validator
+            self._make_wrapper_cls_global(_WrappedFuturesSession)
+
+            self.FuturesSession = _WrappedFuturesSession
+
+        self.request = self._default_arg_wrapper(request)
+        self.get = self._default_arg_wrapper(get)
+        self.Session = _WrappedSession
+
+    def __getattr__(self, item):
+        # This class is meant to mimic the requests base module, so if we don't
+        # have this attribute, it might be on the base module (like the Request
+        # class, etc.)
+        try:
+            return object.__getattribute__(self, item)
+        except AttributeError:
+            from . import cw_advocate
+            return getattr(cw_advocate, item)
+
+    def _default_arg_wrapper(self, fun):
+        def wrapped_func(*args, **kwargs):
+            kwargs.setdefault("validator", self.validator)
+            return fun(*args, **kwargs)
+        return wrapped_func
+
+    def _make_wrapper_cls_global(self, cls):
+        if not self.SUPPORT_WRAPPER_PICKLING:
+            return
+        # Gnarly, but necessary to give pickle a consistent module-level
+        # reference for each wrapper.
+        wrapper_hash = hashlib.sha256(pickle.dumps(self)).hexdigest()
+        cls.__name__ = "_".join((cls.__name__, wrapper_hash))
+        cls.__qualname__ = ".".join((__name__, cls.__name__))
+        if not globals().get(cls.__name__):
+            globals()[cls.__name__] = cls
+
+
+__all__ = (
+    "get",
+    "request",
+    "session",
+    "Session",
+    "RequestsAPIWrapper",
+)
@@ -0,0 +1,201 @@
+#
+# Copyright 2015 Jordan Milne
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Source: https://github.com/JordanMilne/Advocate
+
+import ipaddress
+import socket
+from socket import timeout as SocketTimeout
+
+from urllib3.connection import HTTPSConnection, HTTPConnection
+from urllib3.exceptions import ConnectTimeoutError
+from urllib3.util.connection import _set_socket_options
+from urllib3.util.connection import create_connection as old_create_connection
+
+from . import addrvalidator
+from .exceptions import UnacceptableAddressException
+
+
+def advocate_getaddrinfo(host, port, get_canonname=False):
+    addrinfo = socket.getaddrinfo(
+        host,
+        port,
+        0,
+        socket.SOCK_STREAM,
+        0,
+        # We need what the DNS client sees the hostname as, correctly handles
+        # IDNs and tricky things like `private.foocorp.org\x00.google.com`.
+        # All IDNs will be converted to punycode.
+        socket.AI_CANONNAME if get_canonname else 0,
+    )
+    return fix_addrinfo(addrinfo)
+
+
+def fix_addrinfo(records):
+    """
+    Propagate the canonname across records and parse IPs
+
+    I'm not sure if this is just the behaviour of `getaddrinfo` on Linux, but
+    it seems like only the first record in the set has the canonname field
+    populated.
+    """
+    def fix_record(record, canonname):
+        sa = record[4]
+        sa = (ipaddress.ip_address(sa[0]),) + sa[1:]
+        return record[0], record[1], record[2], canonname, sa
+
+    canonname = None
+    if records:
+        # Apparently the canonical name is only included in the first record?
+        # Add it to all of them.
+        assert(len(records[0]) == 5)
+        canonname = records[0][3]
+    return tuple(fix_record(x, canonname) for x in records)
+
+
+# Lifted from requests' urllib3, which in turn lifted it from `socket.py`. Oy!
+def validating_create_connection(address,
+                       timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
+                       source_address=None, socket_options=None,
+                       validator=None):
+    """Connect to *address* and return the socket object.
+
+    Convenience function.  Connect to *address* (a 2-tuple ``(host,
+    port)``) and return the socket object.  Passing the optional
+    *timeout* parameter will set the timeout on the socket instance
+    before attempting to connect.  If no *timeout* is supplied, the
+    global default timeout setting returned by :func:`getdefaulttimeout`
+    is used.  If *source_address* is set it must be a tuple of (host, port)
+    for the socket to bind as a source address before making the connection.
+    An host of '' or port 0 tells the OS to use the default.
+    """
+
+    host, port = address
+    # We can skip asking for the canon name if we're not doing hostname-based
+    # blacklisting.
+    need_canonname = False
+    if validator.hostname_blacklist:
+        need_canonname = True
+        # We check both the non-canonical and canonical hostnames so we can
+        # catch both of these:
+        # CNAME from nonblacklisted.com -> blacklisted.com
+        # CNAME from blacklisted.com -> nonblacklisted.com
+        if not validator.is_hostname_allowed(host):
+            raise UnacceptableAddressException(host)
+
+    err = None
+    addrinfo = advocate_getaddrinfo(host, port, get_canonname=need_canonname)
+    if addrinfo:
+        if validator.autodetect_local_addresses:
+            local_addresses = addrvalidator.determine_local_addresses()
+        else:
+            local_addresses = []
+        for res in addrinfo:
+            # Are we allowed to connect with this result?
+            if not validator.is_addrinfo_allowed(
+                res,
+                _local_addresses=local_addresses,
+            ):
+                continue
+            af, socktype, proto, canonname, sa = res
+            # Unparse the validated IP
+            sa = (sa[0].exploded,) + sa[1:]
+            sock = None
+            try:
+                sock = socket.socket(af, socktype, proto)
+
+                # If provided, set socket level options before connecting.
+                # This is the only addition urllib3 makes to this function.
+                _set_socket_options(sock, socket_options)
+
+                if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT:
+                    sock.settimeout(timeout)
+                if source_address:
+                    sock.bind(source_address)
+                sock.connect(sa)
+                return sock
+
+            except socket.error as _:
+                err = _
+                if sock is not None:
+                    sock.close()
+                    sock = None
+
+        if err is None:
+            # If we got here, none of the results were acceptable
+            err = UnacceptableAddressException(address)
+    if err is not None:
+        raise err
+    else:
+        raise socket.error("getaddrinfo returns an empty list")
+
+
+# TODO: Is there a better way to add this to multiple classes with different
+# base classes? I tried a mixin, but it used the base method instead.
+def _validating_new_conn(self):
+    """ Establish a socket connection and set nodelay settings on it.
+
+    :return: New socket connection.
+    """
+    extra_kw = {}
+    if self.source_address:
+        extra_kw['source_address'] = self.source_address
+
+    if self.socket_options:
+        extra_kw['socket_options'] = self.socket_options
+
+    try:
+        # Hack around HTTPretty's patched sockets
+        # TODO: some better method of hacking around it that checks if we
+        # _would have_ connected to a private addr?
+        conn_func = validating_create_connection
+        if socket.getaddrinfo.__module__.startswith("httpretty"):
+            conn_func = old_create_connection
+        else:
+            extra_kw["validator"] = self._validator
+
+        conn = conn_func(
+            (self.host, self.port),
+            self.timeout,
+            **extra_kw
+        )
+
+    except SocketTimeout:
+        raise ConnectTimeoutError(
+            self, "Connection to %s timed out. (connect timeout=%s)" %
+            (self.host, self.timeout))
+
+    return conn
+
+
+# Don't silently break if the private API changes across urllib3 versions
+assert(hasattr(HTTPConnection, '_new_conn'))
+assert(hasattr(HTTPSConnection, '_new_conn'))
+
+
+class ValidatingHTTPConnection(HTTPConnection):
+    _new_conn = _validating_new_conn
+
+    def __init__(self, *args, **kwargs):
+        self._validator = kwargs.pop("validator")
+        HTTPConnection.__init__(self, *args, **kwargs)
+
+
+class ValidatingHTTPSConnection(HTTPSConnection):
+    _new_conn = _validating_new_conn
+
+    def __init__(self, *args, **kwargs):
+        self._validator = kwargs.pop("validator")
+        HTTPSConnection.__init__(self, *args, **kwargs)
@@ -0,0 +1,39 @@
+#
+# Copyright 2015 Jordan Milne
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Source: https://github.com/JordanMilne/Advocate
+
+from urllib3 import HTTPConnectionPool, HTTPSConnectionPool
+
+from .connection import (
+    ValidatingHTTPConnection,
+    ValidatingHTTPSConnection,
+)
+
+# Don't silently break if the private API changes across urllib3 versions
+assert(hasattr(HTTPConnectionPool, 'ConnectionCls'))
+assert(hasattr(HTTPSConnectionPool, 'ConnectionCls'))
+assert(hasattr(HTTPConnectionPool, 'scheme'))
+assert(hasattr(HTTPSConnectionPool, 'scheme'))
+
+
+class ValidatingHTTPConnectionPool(HTTPConnectionPool):
+    scheme = 'http'
+    ConnectionCls = ValidatingHTTPConnection
+
+
+class ValidatingHTTPSConnectionPool(HTTPSConnectionPool):
+    scheme = 'https'
+    ConnectionCls = ValidatingHTTPSConnection
@@ -0,0 +1,39 @@
+#
+# Copyright 2015 Jordan Milne
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Source: https://github.com/JordanMilne/Advocate
+
+class AdvocateException(Exception):
+    pass
+
+
+class UnacceptableAddressException(AdvocateException):
+    pass
+
+
+class NameserverException(AdvocateException):
+    pass
+
+
+class MountDisabledException(AdvocateException):
+    pass
+
+
+class ProxyDisabledException(NotImplementedError, AdvocateException):
+    pass
+
+
+class ConfigException(AdvocateException):
+    pass
@@ -0,0 +1,61 @@
+#
+# Copyright 2015 Jordan Milne
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Source: https://github.com/JordanMilne/Advocate
+
+import collections
+import functools
+
+from urllib3 import PoolManager
+from urllib3.poolmanager import _default_key_normalizer, PoolKey
+
+from .connectionpool import (
+    ValidatingHTTPSConnectionPool,
+    ValidatingHTTPConnectionPool,
+)
+
+pool_classes_by_scheme = {
+    "http": ValidatingHTTPConnectionPool,
+    "https": ValidatingHTTPSConnectionPool,
+}
+
+AdvocatePoolKey = collections.namedtuple('AdvocatePoolKey',
+                                         PoolKey._fields + ('key_validator',))
+
+
+def key_normalizer(key_class, request_context):
+    request_context = request_context.copy()
+    # TODO: add ability to serialize validator rules to dict,
+    # allowing pool to be shared between sessions with the same
+    # rules.
+    request_context["validator"] = id(request_context["validator"])
+    return _default_key_normalizer(key_class, request_context)
+
+
+key_fn_by_scheme = {
+    'http': functools.partial(key_normalizer, AdvocatePoolKey),
+    'https': functools.partial(key_normalizer, AdvocatePoolKey),
+}
+
+
+class ValidatingPoolManager(PoolManager):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        # Make sure the API hasn't changed
+        assert (hasattr(self, 'pool_classes_by_scheme'))
+
+        self.pool_classes_by_scheme = pool_classes_by_scheme
+        self.key_fn_by_scheme = key_fn_by_scheme.copy()
@@ -34,7 +34,7 @@ def get_user_locale_language(user_language):


 def get_available_locale():
-    return [Locale('en')] + babel.list_translations()
+    return sorted(babel.list_translations(), key=lambda x: x.display_name.lower())


 def get_available_translations():
@@ -7,7 +7,6 @@ from flask import abort
 from flask import current_app
 from flask import flash
 from flask import g
-from flask import has_app_context
 from flask import redirect
 from flask import request
 from flask import session
@@ -469,7 +468,7 @@ class LoginManager:
        config = current_app.config
        cookie_name = config.get("REMEMBER_COOKIE_NAME", COOKIE_NAME)
        domain = config.get("REMEMBER_COOKIE_DOMAIN")
-        path = config.get("REMEMBER_COOKIE_PATH", "/")
+        path = config.get("REMEMBER_COOKIE_PATH", current_app.wsgi_app.script_name)

        secure = config.get("REMEMBER_COOKIE_SECURE", COOKIE_SECURE)
        httponly = config.get("REMEMBER_COOKIE_HTTPONLY", COOKIE_HTTPONLY)
@@ -520,36 +519,5 @@ class LoginManager:
        config = current_app.config
        cookie_name = config.get("REMEMBER_COOKIE_NAME", COOKIE_NAME)
        domain = config.get("REMEMBER_COOKIE_DOMAIN")
-        path = config.get("REMEMBER_COOKIE_PATH", "/")
+        path = config.get("REMEMBER_COOKIE_PATH", current_app.wsgi_app.script_name)
        response.delete_cookie(cookie_name, domain=domain, path=path)
-
-    @property
-    def _login_disabled(self):
-        """Legacy property, use app.config['LOGIN_DISABLED'] instead."""
-        import warnings
-
-        warnings.warn(
-            "'_login_disabled' is deprecated and will be removed in"
-            " Flask-Login 0.7. Use 'LOGIN_DISABLED' in 'app.config'"
-            " instead.",
-            DeprecationWarning,
-            stacklevel=2,
-        )
-
-        if has_app_context():
-            return current_app.config.get("LOGIN_DISABLED", False)
-        return False
-
-    @_login_disabled.setter
-    def _login_disabled(self, newvalue):
-        """Legacy property setter, use app.config['LOGIN_DISABLED'] instead."""
-        import warnings
-
-        warnings.warn(
-            "'_login_disabled' is deprecated and will be removed in"
-            " Flask-Login 0.7. Use 'LOGIN_DISABLED' in 'app.config'"
-            " instead.",
-            DeprecationWarning,
-            stacklevel=2,
-        )
-        current_app.config["LOGIN_DISABLED"] = newvalue
@@ -23,14 +23,14 @@ import json
 from datetime import datetime, timezone
 from urllib.parse import quote
 import unidecode
-from weakref import WeakSet
+# from weakref import WeakSet
 from uuid import uuid4

 from sqlite3 import OperationalError as sqliteOperationalError
 from sqlalchemy import create_engine
 from sqlalchemy import Table, Column, ForeignKey, CheckConstraint
 from sqlalchemy import String, Integer, Boolean, TIMESTAMP, Float
-from sqlalchemy.orm import relationship, sessionmaker, scoped_session
+from sqlalchemy.orm import relationship, sessionmaker, scoped_session, selectinload
 from sqlalchemy.orm.collections import InstrumentedList
 from sqlalchemy.ext.declarative import DeclarativeMeta
 from sqlalchemy.exc import OperationalError
@@ -45,7 +45,7 @@ from sqlalchemy.ext.associationproxy import association_proxy
 from .cw_login import current_user
 from flask_babel import gettext as _
 from flask_babel import get_locale
-from flask import flash
+from flask import flash, g, Flask

 from . import logger, ub, isoLanguages
 from .pagination import Pagination
@@ -102,6 +102,16 @@ class Identifiers(Base):
    type = Column(String(collation='NOCASE'), nullable=False, default="isbn")
    val = Column(String(collation='NOCASE'), nullable=False)
    book = Column(Integer, ForeignKey('books.id'), nullable=False)
+    amazon = {
+        "jp": "co.jp",
+        "uk": "co.uk",
+        "us": "com",
+        "au": "com.au",
+        "be": "com.be",
+        "br": "com.br",
+        "tr": "com.tr",
+        "mx": "com.mx",
+    }

    def __init__(self, val, id_type, book):
        super().__init__()
@@ -114,7 +124,11 @@ class Identifiers(Base):
        if format_type == 'amazon':
            return "Amazon"
        elif format_type.startswith("amazon_"):
-            return "Amazon.{0}".format(format_type[7:])
+            label_amazon = "Amazon.{0}"
+            country_code = format_type[7:].lower()
+            if country_code not in self.amazon:
+                return label_amazon.format(country_code)
+            return label_amazon.format(self.amazon[country_code])
        elif format_type == "isbn":
            return "ISBN"
        elif format_type == "doi":
@@ -137,6 +151,12 @@ class Identifiers(Base):
            return "ISSN"
        elif format_type == "isfdb":
            return "ISFDB"
+        elif format_type == "storygraph":
+            return "StoryGraph"
+        elif format_type == "ebooks":
+            return "eBooks.com"
+        elif format_type == "smashwords":
+            return "Smashwords"
        if format_type == "lubimyczytac":
            return "Lubimyczytac"
        if format_type == "databazeknih":
@@ -149,7 +169,11 @@ class Identifiers(Base):
        if format_type == "amazon" or format_type == "asin":
            return "https://amazon.com/dp/{0}".format(self.val)
        elif format_type.startswith('amazon_'):
-            return "https://amazon.{0}/dp/{1}".format(format_type[7:], self.val)
+            link_amazon = "https://amazon.{0}/dp/{1}"
+            country_code = format_type[7:].lower()
+            if country_code not in self.amazon:
+                return link_amazon.format(country_code, self.val)
+            return link_amazon.format(self.amazon[country_code], self.val)
        elif format_type == "isbn":
            return "https://www.worldcat.org/isbn/{0}".format(self.val)
        elif format_type == "doi":
@@ -173,9 +197,15 @@ class Identifiers(Base):
        elif format_type == "issn":
            return "https://portal.issn.org/resource/ISSN/{0}".format(self.val)
        elif format_type == "isfdb":
-            return "http://www.isfdb.org/cgi-bin/pl.cgi?{0}".format(self.val)
+            return "https://www.isfdb.org/cgi-bin/pl.cgi?{0}".format(self.val)
        elif format_type == "databazeknih":
            return "https://www.databazeknih.cz/knihy/{0}".format(self.val)
+        elif format_type == "storygraph":
+            return "https://app.thestorygraph.com/books/{0}".format(self.val)
+        elif format_type == "ebooks":
+            return "https://www.ebooks.com/en-us/book/{0}".format(self.val)
+        elif format_type == "smashwords":
+            return "https://www.smashwords.com/books/view/{0}".format(self.val)
        elif self.val.lower().startswith("javascript:"):
            return quote(self.val)
        elif self.val.lower().startswith("data:"):
@@ -386,8 +416,8 @@ class Books(Base):
    path = Column(String, default="", nullable=False)
    has_cover = Column(Integer, default=0)
    uuid = Column(String)
-    isbn = Column(String(collation='NOCASE'), default="")
-    flags = Column(Integer, nullable=False, default=1)
+    # isbn = Column(String(collation='NOCASE'), default="")
+    # flags = Column(Integer, nullable=False, default=1)

    authors = relationship(Authors, secondary=books_authors_link, backref='books')
    tags = relationship(Tags, secondary=books_tags_link, backref='books', order_by="Tags.name")
@@ -510,34 +540,25 @@ class AlchemyEncoder(json.JSONEncoder):


 class CalibreDB:
-    _init = False
-    engine = None
    config = None
-    session_factory = None
-    # This is a WeakSet so that references here don't keep other CalibreDB
-    # instances alive once they reach the end of their respective scopes
-    instances = WeakSet()
+    config_calibre_dir = None
+    app_db_path = None

-    def __init__(self, expire_on_commit=True, init=False):
+    def __init__(self, _app: Flask=None):  # , expire_on_commit=True, init=False):
        """ Initialize a new CalibreDB session
        """
-        self.session = None
-        if init:
-            self.init_db(expire_on_commit)
+        self.Session = None
+        #if init:
+        #    self.init_db(expire_on_commit)
+        if _app is not None and not _app._got_first_request:
+            self.init_app(_app)

-    def init_db(self, expire_on_commit=True):
-        if self._init:
-            self.init_session(expire_on_commit)
-
-        self.instances.add(self)
-
-    def init_session(self, expire_on_commit=True):
-        self.session = self.session_factory()
-        self.session.expire_on_commit = expire_on_commit
-        self.create_functions(self.config)
+    def init_app(self, _app):
+        _app.teardown_appcontext(self.teardown)

    @classmethod
    def setup_db_cc_classes(cls, cc):
+        global cc_classes
        cc_ids = []
        books_custom_column_links = {}
        for row in cc:
@@ -605,8 +626,6 @@ class CalibreDB:
                                     secondary=books_custom_column_links[cc_id[0]],
                                     backref='books'))

-        return cc_classes
-
    @classmethod
    def check_valid_db(cls, config_calibre_dir, app_db_path, config_calibre_uuid):
        if not config_calibre_dir:
@@ -626,7 +645,6 @@ class CalibreDB:
                local_session = scoped_session(sessionmaker())
                local_session.configure(bind=connection)
                database_uuid = local_session().query(Library_Id).one_or_none()
-                # local_session.dispose()

            check_engine.connect()
            db_change = config_calibre_uuid != database_uuid.uuid
@@ -634,13 +652,30 @@ class CalibreDB:
            return False, False
        return True, db_change

+    def teardown(self, exception):
+        ctx = g.get("lib_sql")
+        if ctx:
+            ctx.close()
+
+    @property
+    def session(self):
+        # connect or get active connection
+        if not g.get("lib_sql"):
+            g.lib_sql = self.connect()
+        return g.lib_sql
+
    @classmethod
-    def update_config(cls, config):
+    def update_config(cls, config, config_calibre_dir, app_db_path):
        cls.config = config
+        cls.config_calibre_dir = config_calibre_dir
+        cls.app_db_path = app_db_path
+
+
+    def connect(self):
+        return self.setup_db(self.config_calibre_dir, self.app_db_path)

    @classmethod
    def setup_db(cls, config_calibre_dir, app_db_path):
-        cls.dispose()

        if not config_calibre_dir:
            cls.config.invalidate()
@@ -652,16 +687,17 @@ class CalibreDB:
            return None

        try:
-            cls.engine = create_engine('sqlite://',
+            engine = create_engine('sqlite://',
                                       echo=False,
                                       isolation_level="SERIALIZABLE",
                                       connect_args={'check_same_thread': False},
                                       poolclass=StaticPool)
-            with cls.engine.begin() as connection:
+            with engine.begin() as connection:
+                connection.execute(text('PRAGMA cache_size = 10000;'))
                connection.execute(text("attach database '{}' as calibre;".format(dbpath)))
                connection.execute(text("attach database '{}' as app_settings;".format(app_db_path)))

-            conn = cls.engine.connect()
+            conn = engine.connect()
            # conn.text_factory = lambda b: b.decode(errors = 'ignore') possible fix for #1302
        except Exception as ex:
            cls.config.invalidate(ex)
@@ -677,13 +713,10 @@ class CalibreDB:
                log.error_or_exception(e)
                return None

-        cls.session_factory = scoped_session(sessionmaker(autocommit=False,
-                                                          autoflush=True,
-                                                          bind=cls.engine, future=True))
-        for inst in cls.instances:
-            inst.init_session()
+        return scoped_session(sessionmaker(autocommit=False,
+                                           autoflush=False,
+                                           bind=engine, future=True))

-        cls._init = True

    def get_book(self, book_id):
        return self.session.query(Books).filter(Books.id == book_id).first()
@@ -868,28 +901,36 @@ class CalibreDB:
        for entry in entries:
            if combined:
                sort_authors = entry.Books.author_sort.split('&')
-                ids = [a.id for a in entry.Books.authors]
-
+                authors_list = entry.Books.authors
            else:
                sort_authors = entry.author_sort.split('&')
-                ids = [a.id for a in entry.authors]
-            authors_ordered = list()
-            # error = False
+                authors_list = entry.authors
+
+            # Create dictionary for O(1) lookup instead of nested loops
+            authors_by_sort = {}
+            authors_by_id = {}
+            for author in authors_list:
+                authors_by_sort[author.sort] = author
+                authors_by_id[author.id] = author
+
+            authors_ordered = []
+            ids_remaining = set(authors_by_id.keys())
+
+            # Order authors based on sort field using dictionary lookup
            for auth in sort_authors:
                auth = strip_whitespaces(auth)
-                results = self.session.query(Authors).filter(Authors.sort == auth).all()
-                # ToDo: How to handle not found author name
-                if not len(results):
-                    log.error("Author {} not found to display name in right order".format(auth))
-                    # error = True
-                    break
-                for r in results:
-                    if r.id in ids:
-                        authors_ordered.append(r)
-                        ids.remove(r.id)
-            for author_id in ids:
-                result = self.session.query(Authors).filter(Authors.id == author_id).first()
-                authors_ordered.append(result)
+                if auth in authors_by_sort:
+                    author = authors_by_sort[auth]
+                    authors_ordered.append(author)
+                    ids_remaining.discard(author.id)
+                else:
+                    # This can happen if author_sort has stale data or formatting issues
+                    book_id = entry.id if isinstance(entry, Books) else (entry.Books.id if combined else entry.id)
+                    log.warning("Author '{}' of book {} not found in author list, skipping in sort order".format(auth, book_id))
+
+            # Add any remaining authors not in sort order
+            for author_id in ids_remaining:
+                authors_ordered.append(authors_by_id[author_id])

            if list_return:
                if combined:
@@ -922,36 +963,93 @@ class CalibreDB:
            .filter(and_(Books.authors.any(and_(*q)), func.lower(Books.title).ilike("%" + title + "%"))).first()

    def search_query(self, term, config, *join):
-        strip_whitespaces(term).lower()
+        term = strip_whitespaces(term).lower()
        self.create_functions()
-        # self.session.connection().connection.connection.create_function("lower", 1, lcase)
-        q = list()
-        author_terms = re.split("[, ]+", term)
-        for author_term in author_terms:
-            q.append(Books.authors.any(func.lower(Authors.name).ilike("%" + author_term + "%")))
-        query = self.generate_linked_query(config.config_read_column, Books)
-        if len(join) == 6:
-            query = query.outerjoin(join[0], join[1]).outerjoin(join[2]).outerjoin(join[3], join[4]).outerjoin(join[5])
-        if len(join) == 3:
-            query = query.outerjoin(join[0], join[1]).outerjoin(join[2])
-        elif len(join) == 2:
-            query = query.outerjoin(join[0], join[1])
-        elif len(join) == 1:
-            query = query.outerjoin(join[0])

+        # Try FTS5 search first for better performance
+        fts_ids = None
+        # Check if FTS5 table exists before attempting search
+        if not hasattr(self, '_fts_available'):
+            try:
+                result = self.session.execute(
+                    text("SELECT name FROM sqlite_master WHERE type='table' AND name='books_fts'")
+                ).fetchone()
+                self._fts_available = result is not None
+            except Exception:
+                self._fts_available = False
+
+        if self._fts_available:
+            try:
+                # Escape FTS5 special characters to prevent query errors
+                term_fts = term.replace('"', '""')
+                # Wrap in quotes for phrase matching and better accuracy
+                fts_results = self.session.execute(
+                    text("SELECT DISTINCT rowid FROM books_fts WHERE books_fts MATCH :term"),
+                    {"term": f'"{term_fts}"'}
+                ).fetchall()
+                if fts_results:
+                    fts_ids = [r[0] for r in fts_results]
+            except Exception as ex:
+                # FTS5 query failed, fall back to traditional search
+                log.debug("FTS5 search failed for term '{}', using fallback: {}".format(term, ex))
+
+        # Build base query with optimized joins
+        base_query = self.generate_linked_query(config.config_read_column, Books)
+        base_query = base_query.filter(self.common_filters(True))
+
+        # Apply eager loading for authors to avoid N+1 queries
+        base_query = base_query.options(selectinload(Books.authors))
+
+        if len(join) == 6:
+            base_query = base_query.outerjoin(join[0], join[1]).outerjoin(join[2]).outerjoin(join[3], join[4]).outerjoin(join[5])
+        if len(join) == 3:
+            base_query = base_query.outerjoin(join[0], join[1]).outerjoin(join[2])
+        elif len(join) == 2:
+            base_query = base_query.outerjoin(join[0], join[1])
+        elif len(join) == 1:
+            base_query = base_query.outerjoin(join[0])
+
+        # If FTS5 found results, use those IDs
+        if fts_ids:
+            return base_query.filter(Books.id.in_(fts_ids))
+
+        # Fallback to traditional search with optimized subqueries
+        author_terms = re.split("[, ]+", term)
+
+        # Use subquery for authors to avoid expensive .any() with OR
+        author_subquery = self.session.query(books_authors_link.c.book).join(
+            Authors, books_authors_link.c.author == Authors.id
+        )
+        author_filters = []
+        for author_term in author_terms:
+            author_filters.append(func.lower(Authors.name).ilike("%" + author_term + "%"))
+        if author_filters:
+            author_subquery = author_subquery.filter(and_(*author_filters))
+
+        # Build optimized filter expressions
        cc = self.get_cc_columns(config, filter_config_custom_read=True)
-        filter_expression = [Books.tags.any(func.lower(Tags.name).ilike("%" + term + "%")),
-                             Books.series.any(func.lower(Series.name).ilike("%" + term + "%")),
-                             Books.authors.any(and_(*q)),
-                             Books.publishers.any(func.lower(Publishers.name).ilike("%" + term + "%")),
-                             func.lower(Books.title).ilike("%" + term + "%")]
+        filter_expression = [
+            Books.id.in_(self.session.query(books_tags_link.c.book).join(
+                Tags, books_tags_link.c.tag == Tags.id
+            ).filter(func.lower(Tags.name).ilike("%" + term + "%"))),
+            Books.id.in_(self.session.query(books_series_link.c.book).join(
+                Series, books_series_link.c.series == Series.id
+            ).filter(func.lower(Series.name).ilike("%" + term + "%"))),
+            Books.id.in_(author_subquery),
+            Books.id.in_(self.session.query(books_publishers_link.c.book).join(
+                Publishers, books_publishers_link.c.publisher == Publishers.id
+            ).filter(func.lower(Publishers.name).ilike("%" + term + "%"))),
+            func.lower(Books.title).ilike("%" + term + "%")
+        ]
+
        for c in cc:
            if c.datatype not in ["datetime", "rating", "bool", "int", "float"]:
                filter_expression.append(
                    getattr(Books,
                            'custom_column_' + str(c.id)).any(
                        func.lower(cc_classes[c.id].value).ilike("%" + term + "%")))
-        return query.filter(self.common_filters(True)).filter(or_(*filter_expression))
+
+        return base_query.filter(or_(*filter_expression))

    def get_cc_columns(self, config, filter_config_custom_read=False):
        tmp_cc = self.session.query(CustomColumns).filter(CustomColumns.datatype.notin_(cc_exceptions)).all()
@@ -973,18 +1071,32 @@ class CalibreDB:
    def get_search_results(self, term, config, offset=None, order=None, limit=None, *join):
        order = order[0] if order else [Books.sort]
        pagination = None
-        result = self.search_query(term, config, *join).order_by(*order).all()
-        result_count = len(result)
+
        if offset is not None and limit is not None:
            offset = int(offset)
-            limit_all = offset + int(limit)
-            pagination = Pagination((offset / (int(limit)) + 1), limit, result_count)
+            limit_int = int(limit)
+
+            # Use LIMIT+1 pattern to estimate total count without expensive count()
+            query = self.search_query(term, config, *join).order_by(*order)
+            result = query.limit(offset + limit_int + 1).all()
+
+            # Check if there are more results
+            has_more = len(result) > (offset + limit_int)
+            if has_more:
+                result_count = offset + limit_int + 1  # Estimate: at least this many
+            else:
+                result_count = len(result)
+
+            # Extract the page of results
+            result = result[offset:offset + limit_int]
+            pagination = Pagination((offset / limit_int + 1), limit_int, result_count)
        else:
-            offset = 0
-            limit_all = result_count
+            # No pagination, fetch all results
+            result = self.search_query(term, config, *join).order_by(*order).all()
+            result_count = len(result)

        ub.store_combo_ids(result)
-        entries = self.order_authors(result[offset:limit_all], list_return=True, combined=True)
+        entries = self.order_authors(result, list_return=True, combined=True)

        return entries, result_count, pagination

@@ -1047,43 +1159,11 @@ class CalibreDB:
        except sqliteOperationalError:
            pass

-    @classmethod
-    def dispose(cls):
-        # global session
-
-        for inst in cls.instances:
-            old_session = inst.session
-            inst.session = None
-            if old_session:
-                try:
-                    old_session.close()
-                except Exception:
-                    pass
-                if old_session.bind:
-                    try:
-                        old_session.bind.dispose()
-                    except Exception:
-                        pass
-
-        for attr in list(Books.__dict__.keys()):
-            if attr.startswith("custom_column_"):
-                setattr(Books, attr, None)
-
-        for db_class in cc_classes.values():
-            Base.metadata.remove(db_class.__table__)
-        cc_classes.clear()
-
-        for table in reversed(Base.metadata.sorted_tables):
-            name = table.key
-            if name.startswith("custom_column_") or name.startswith("books_custom_column_"):
-                if table is not None:
-                    Base.metadata.remove(table)
-
    def reconnect_db(self, config, app_db_path):
-        self.dispose()
-        self.engine.dispose()
+        # self.dispose()
+        # self.engine.dispose()
        self.setup_db(config.config_calibre_dir, app_db_path)
-        self.update_config(config)
+        self.update_config(config, config.config_calibre_dir, app_db_path)


 def lcase(s):
@@ -23,11 +23,10 @@ import zipfile
 import json
 from io import BytesIO
 from flask_babel.speaklater import LazyString
-
+from importlib.metadata import metadata
 import os

 from flask import send_file
-import importlib

 from . import logger, config
 from .about import collect_stats
@@ -50,7 +49,7 @@ def assemble_logfiles(file_name):
        with open(f, 'rb') as fd:
            shutil.copyfileobj(fd, wfd)
    wfd.seek(0)
-    version = importlib.metadata.version("flask")
+    version = metadata("flask")["Version"]
    if int(version.split('.')[0]) < 2:
        return send_file(wfd,
                         as_attachment=True,
@@ -74,7 +73,7 @@ def send_debug():
        for fp in file_list:
            zf.write(fp, os.path.basename(fp))
    memory_zip.seek(0)
-    version = importlib.metadata.version("flask")
+    version = metadata("flask")["Version"]
    if int(version.split('.')[0]) < 2:
        return send_file(memory_zip,
                         as_attachment=True,
@@ -39,8 +39,24 @@ def load_dependencies(optional=False):
            with open(req_path, 'r') as f:
                for line in f:
                    if not line.startswith('#') and not line == '\n' and not line.startswith('git'):
-                        res = re.match(r'(.*?)([<=>\s]+)([\d\.]+),?\s?([<=>\s]+)?([\d\.]+)?', line.strip())
+                        res = re.match(r'(.*?)([<=>\s]+)([\d\.]+),?\s?([<=>\s]+)?([\d\.]+)?(?:\s?;\s?'
+                                       r'(?:(python_version)\s?([<=>]+)\s?\'([\d\.]+)\'|'
+                                       r'(sys_platform)\s?([\!=]+)\s?\'([\w]+)\'))?', line.strip())
                        try:
+                            if res.group(7) and res.group(8):
+                                val = res.group(8).split(".")
+                                if not eval(str(sys.version_info[0]) + "." + "{:02d}".format(sys.version_info[1]) +
+                                            res.group(7) + val[0] + "." + "{:02d}".format(int(val[1]))):
+                                    continue
+                            elif res.group(10) and res.group(11):
+                                # only installed if platform is eqal, don't check if platform is not equal
+                                if res.group(10) == "==":
+                                    if sys.platform != res.group(11):
+                                        continue
+                                # installed if platform is not eqal, don't check if platform is equal
+                                elif res.group(10) == "!=":
+                                    if sys.platform == res.group(11):
+                                        continue
                            if getattr(sys, 'frozen', False):
                                dep_version = exe_deps[res.group(1).lower().replace('_', '-')]
                            else:
@@ -63,7 +79,7 @@ def dependency_check(optional=False):
    deps = load_dependencies(optional)
    for dep in deps:
        try:
-            dep_version_int = [int(x) if x.isnumeric() else 0 for x in dep[0].split('.')]
+            dep_version_int = [int(x) if x.isnumeric() else 0 for x in dep[0].split('.')[:3]]
            low_check = [int(x) for x in dep[3].split('.')]
            high_check = [int(x) for x in dep[5].split('.')]
        except AttributeError:
@@ -28,11 +28,11 @@ from shutil import copyfile
 from markupsafe import escape, Markup  # dependency of flask
 from functools import wraps

-from flask import Blueprint, request, flash, redirect, url_for, abort, Response
+from flask import Blueprint, request, flash, redirect, url_for, abort, jsonify, make_response, Response
 from flask_babel import gettext as _
 from flask_babel import lazy_gettext as N_
 from flask_babel import get_locale
-from .cw_login import current_user, login_required
+from .cw_login import current_user
 from sqlalchemy.exc import OperationalError, IntegrityError, InterfaceError
 from sqlalchemy.orm.exc import StaleDataError
 from sqlalchemy.sql.expression import func
@@ -73,17 +73,18 @@ def edit_required(f):
    return inner


-@editbook.route("/ajax/delete/<int:book_id>", methods=["POST"])
+@editbook.route("/ajax/deletebook", methods=["POST"])
@user_login_required
-def delete_book_from_details(book_id):
-    return Response(delete_book_from_table(book_id, "", True), mimetype='application/json')
+def delete_books_ajax():
+    book_ids = request.get_json().get("bookid")
+    return check_delete_book(book_ids, "", True)


@editbook.route("/delete/<int:book_id>", defaults={'book_format': ""}, methods=["POST"])
@editbook.route("/delete/<int:book_id>/<string:book_format>", methods=["POST"])
@user_login_required
-def delete_book_ajax(book_id, book_format):
-    return delete_book_from_table(book_id, book_format, False, request.form.to_dict().get('location', ""))
+def delete_book(book_id, book_format):
+    return check_delete_book(book_id, book_format, False, request.form.to_dict().get('location', ""))


@editbook.route("/admin/book/<int:book_id>", methods=['GET'])
@@ -158,7 +159,7 @@ def upload():
                if len(request.files.getlist("btn-upload")) < 2:
                    if current_user.role_edit() or current_user.role_admin():
                        resp = {"location": url_for('edit-book.show_edit_book', book_id=book_id)}
-                        return Response(json.dumps(resp), mimetype='application/json')
+                        return make_response(jsonify(resp))
                    else:
                        resp = {"location": url_for('web.show_book', book_id=book_id)}
                        return Response(json.dumps(resp), mimetype='application/json')
@@ -167,7 +168,7 @@ def upload():
                log.error_or_exception("Database error: {}".format(e))
                flash(_("Oops! Database Error: %(error)s.", error=e.orig if hasattr(e, "orig") else e),
                      category="error")
-        return Response(json.dumps({"location": url_for("web.index")}), mimetype='application/json')
+        return make_response(jsonify(location=url_for("web.index")))
    abort(404)


@@ -206,118 +207,247 @@ def table_get_custom_enum(c_id):
    ret.append({'value': "", 'text': ""})
    for idx, en in enumerate(cc.get_display_dict()['enum_values']):
        ret.append({'value': en, 'text': en})
-    return json.dumps(ret)
+    return make_response(jsonify(ret))


@editbook.route("/ajax/editbooks/<param>", methods=['POST'])
@login_required_if_no_ano
@edit_required
 def edit_list_book(param):
-    vals = request.form.to_dict()
-    book = calibre_db.get_book(vals['pk'])
-    sort_param = ""
-    ret = ""
-    try:
-        if param == 'series_index':
-            edit_book_series_index(vals['value'], book)
-            ret = Response(json.dumps({'success': True, 'newValue': book.series_index}), mimetype='application/json')
-        elif param == 'tags':
-            edit_book_tags(vals['value'], book)
-            ret = Response(json.dumps({'success': True, 'newValue': ', '.join([tag.name for tag in book.tags])}),
-                           mimetype='application/json')
-        elif param == 'series':
-            edit_book_series(vals['value'], book)
-            ret = Response(json.dumps({'success': True, 'newValue':  ', '.join([serie.name for serie in book.series])}),
-                           mimetype='application/json')
-        elif param == 'publishers':
-            edit_book_publisher(vals['value'], book)
-            ret = Response(json.dumps({'success': True,
-                                       'newValue': ', '.join([publisher.name for publisher in book.publishers])}),
-                           mimetype='application/json')
-        elif param == 'languages':
-            invalid = list()
-            edit_book_languages(vals['value'], book, invalid=invalid)
-            if invalid:
-                ret = Response(json.dumps({'success': False,
-                                           'msg': 'Invalid languages in request: {}'.format(','.join(invalid))}),
-                               mimetype='application/json')
-            else:
-                lang_names = list()
-                for lang in book.languages:
-                    lang_names.append(isoLanguages.get_language_name(get_locale(), lang.lang_code))
-                ret = Response(json.dumps({'success': True, 'newValue':  ', '.join(lang_names)}),
-                               mimetype='application/json')
-        elif param == 'author_sort':
-            book.author_sort = vals['value']
-            ret = Response(json.dumps({'success': True, 'newValue':  book.author_sort}),
-                           mimetype='application/json')
-        elif param == 'title':
-            sort_param = book.sort
-            if handle_title_on_edit(book, vals.get('value', "")):
-                rename_error = helper.update_dir_structure(book.id, config.get_book_path())
-                if not rename_error:
-                    ret = Response(json.dumps({'success': True, 'newValue':  book.title}),
-                                   mimetype='application/json')
-                else:
-                    ret = Response(json.dumps({'success': False,
-                                               'msg': rename_error}),
-                                   mimetype='application/json')
-        elif param == 'sort':
-            book.sort = vals['value']
-            ret = Response(json.dumps({'success': True, 'newValue':  book.sort}),
-                           mimetype='application/json')
-        elif param == 'comments':
-            edit_book_comments(vals['value'], book)
-            ret = Response(json.dumps({'success': True, 'newValue':  book.comments[0].text}),
-                           mimetype='application/json')
-        elif param == 'authors':
-            input_authors, __ = handle_author_on_edit(book, vals['value'], vals.get('checkA', None) == "true")
-            rename_error = helper.update_dir_structure(book.id, config.get_book_path(), input_authors[0])
-            if not rename_error:
-                ret = Response(json.dumps({
-                    'success': True,
-                    'newValue':  ' & '.join([author.replace('|', ',') for author in input_authors])}),
-                    mimetype='application/json')
-            else:
-                ret = Response(json.dumps({'success': False,
-                                           'msg': rename_error}),
-                               mimetype='application/json')
-        elif param == 'is_archived':
-            is_archived = change_archived_books(book.id, vals['value'] == "True",
-                                                message="Book {} archive bit set to: {}".format(book.id, vals['value']))
-            if is_archived:
-                kobo_sync_status.remove_synced_book(book.id)
-            return ""
-        elif param == 'read_status':
-            ret = helper.edit_book_read_status(book.id, vals['value'] == "True")
-            if ret:
-                return ret, 400
-        elif param.startswith("custom_column_"):
-            new_val = dict()
-            new_val[param] = vals['value']
-            edit_single_cc_data(book.id, book, param[14:], new_val)
-            # ToDo: Very hacky find better solution
-            if vals['value'] in ["True", "False"]:
-                ret = ""
-            else:
-                ret = Response(json.dumps({'success': True, 'newValue': vals['value']}),
-                               mimetype='application/json')
-        else:
-            return _("Parameter not found"), 400
-        book.last_modified = datetime.now(timezone.utc)
+    vals = request.get_json()
+    multi = vals.get('multi', False) == "True"
+    ret_value = edit_book_param(param, vals, multi)
+    if isinstance(ret_value, dict):
+        return jsonify(ret_value)
+    else:
+        return ret_value
+
+@editbook.route("/ajax/editselectedbooks", methods=['POST'])
+@login_required_if_no_ano
+@edit_required
+def edit_selected_books():
+    d = request.get_json()
+    selections = d.get('selections')
+    title = d.get('title')
+    title_sort = d.get('title_sort')
+    author_sort = d.get('author_sort')
+    authors = d.get('authors')
+    categories = d.get('categories')
+    series = d.get('series')
+    languages = d.get('languages')
+    publishers = d.get('publishers')
+    comments = d.get('comments')
+
+    if not (
+      title or title_sort or authors or categories or series or languages or publishers or comments) or not selections:
+        return _("Parameter not found"), 400
+    vals = {
+        "pk": selections,
+        "value": None,
+        "checkA": d.get('checkA'),
+        "checkT": d.get('checkT'),
+    }
+    res = list()
+    if title:
+        vals['value'] = title
+        out = edit_book_param('title', vals, True)
+        if out[0].get('success') != True:
+            res.extend(out)
+    if title_sort:
+        vals['value'] = title_sort
+        out = edit_book_param('sort', vals, True)
+        if out[0].get('success') != True:
+            res.extend(out)
+    if author_sort:
+        vals['value'] = author_sort
+        out = edit_book_param('author_sort', vals, True)
+        if out[0].get('success') != True:
+            res.extend(out)
+    if authors:
+        vals['value'] = authors
+        out = edit_book_param('authors', vals, True)
+        if out[0].get('success') != True:
+            res.extend(out)
+    if categories:
+        vals['value'] = categories
+        out = edit_book_param('tags', vals, True)
+        if out[0].get('success') != True:
+            res.extend(out)
+    if series:
+        vals['value'] = series
+        out = edit_book_param('series', vals, True)
+        if out[0].get('success') != True:
+            res.extend(out)
+    if languages:
+        vals['value'] = languages
+        out = edit_book_param('languages', vals, True)
+        if out[0].get('success') != True:
+            res.extend(out)
+    if publishers:
+        vals['value'] = publishers
+        out = edit_book_param('publishers', vals, True)
+        if out[0].get('success') != True:
+            res.extend(out)
+    if comments:
+        vals['value'] = comments
+        out = edit_book_param('comments', vals, True)
+        if out[0].get('success') != True:
+            res.extend(out)
+    if len(res) == 0:
+        return jsonify([{'success': True, "msg": _("Changes successfully applied")}])
+    else:
+        return jsonify(res)
+
+# Separated from /editbooks so that /editselectedbooks can also use this
+#
+# param: the property of the book to be changed
+# vals - JSON Object:
+#   { 
+#       'pk': "the book id",
+#       'value': "changes value of param to what's passed here"
+#       'checkA': "Optional. Used to check if autosort author is enabled. Assumed as true if not passed"
+#       'checkT': "Optional. Used to check if autotitle author is enabled. Assumed as true if not passed"
+#   }
+#
+@login_required_if_no_ano
+@edit_required
+def edit_book_param(param, vals, multi=False):
+    elements = vals.get('pk',[])
+    if vals.get('value', None) is None:
+        return {'success':False, 'msg':_("Value is missing on request")}
+    if not elements or len(elements) > 1 and multi == False:
+        return {"success":False, "msg":_("Oops! Selected book is unavailable. File does not exist or is not accessible")}
+    ret = {}
+    out = list()
+    for elem in elements:
+        book = calibre_db.get_book(elem)
+        if not book:
+            ret = {"success": False,
+                   "msg": _("Oops! Selected book is unavailable. File does not exist or is not accessible")}
+            if multi:
+                out.append(ret)
+                continue
+            else:
+                return ret
+        calibre_db.create_functions(config)
+        sort_param = ""
+        try:
+            if param == 'series_index':
+                edit_book_series_index(vals['value'], book)
+                ret = {"success":True,
+                       "newValue":book.series_index}
+            elif param == 'tags':
+                edit_book_tags(vals['value'], book)
+                ret = {"success":True,
+                       "newValue":', '.join([tag.name for tag in book.tags])}
+            elif param == 'series':
+                edit_book_series(vals['value'], book)
+                ret = {"success":True,
+                       "newValue":', '.join([serie.name for serie in book.series])}
+            elif param == 'publishers':
+                edit_book_publisher(vals['value'], book)
+                ret = {"success":True,
+                       "newValue":', '.join([publisher.name for publisher in book.publishers])}
+            elif param == 'languages':
+                invalid = list()
+                edit_book_languages(vals['value'], book, invalid=invalid)
+                if invalid:
+                    ret = {"success": False, "msg": 'Invalid languages in request: {}'.format(','.join(invalid))}
+                    if multi:
+                        out.append(ret)
+                else:
+                    lang_names = list()
+                    for lang in book.languages:
+                        lang_names.append(isoLanguages.get_language_name(get_locale(), lang.lang_code))
+                    ret = {"success":True,
+                           "newValue":', '.join(lang_names)}
+            elif param == 'author_sort':
+                book.author_sort = vals['value']
+                ret = {"success":True,
+                       "newValue":book.author_sort}
+            elif param == 'title':
+                sort_param = book.sort
+                if handle_title_on_edit(book, vals.get('value', "")):
+                    rename_error = helper.update_dir_structure(book.id, config.get_book_path())
+                    if not rename_error:
+                        calibre_db.session.commit()
+                        ret = {"success":True,
+                               "newValue":book.title}
+                    else:
+                        calibre_db.session.rollback()
+                        ret = {"success":False, "msg":rename_error}
+                        if multi:
+                            out.append(ret)
+            elif param == 'sort':
+                book.sort = vals['value']
+                ret = {"success":True,
+                       "newValue":book.sort}
+            elif param == 'comments':
+                edit_book_comments(vals['value'], book)
+                ret = {"success":True,
+                       "newValue":book.comments[0].text}
+            elif param == 'authors':
+                input_authors, __ = handle_author_on_edit(book, vals['value'], vals.get('checkA', None) == True)
+                rename_error = helper.update_dir_structure(book.id, config.get_book_path(), input_authors[0])
+                if not rename_error:
+                    calibre_db.session.commit()
+                    ret = {"success":True,
+                        "newValue":' & '.join([author.replace('|', ',') for author in input_authors])}
+                else:
+                    calibre_db.session.rollback()
+                    ret = {"success":False, "msg":rename_error}
+                    if multi:
+                        out.append(ret)
+            elif param == 'is_archived':
+                is_archived = change_archived_books(book.id, vals['value'] == "True",
+                                                    message="Book {} archive bit set to: {}".format(book.id,
+                                                                                                    vals['value']))
+                if is_archived:
+                    kobo_sync_status.remove_synced_book(book.id)
+                continue
+            elif param == 'read_status':
+                error = helper.edit_book_read_status(book.id, vals['value'] == "True")
+                if error:
+                    if multi:
+                        out.append({"success":False, "msg":error})
+                        continue
+                    else:
+                        return error, 400
+                continue
+            elif param.startswith("custom_column_"):
+                new_val = dict()
+                new_val[param] = vals['value']
+                edit_single_cc_data(book.id, book, param[14:], new_val)
+                # ToDo: Very hacky find better solution
+                if vals['value'] in ["True", "False"]:
+                    ret = {}
+                else:
+                    ret = {"success":True, "newValue":vals['value']}
+            else:
+                if multi:
+                    out.append({"success":False, "msg":_("Parameter not found")})
+                    continue
+                return _("Parameter not found"), 400
+            book.last_modified = datetime.now(timezone.utc)

-        calibre_db.session.commit()
-        # revert change for sort if automatic fields link is deactivated
-        if param == 'title' and vals.get('checkT') == "false":
-            book.sort = sort_param
            calibre_db.session.commit()
-    except (OperationalError, IntegrityError, StaleDataError) as e:
-        calibre_db.session.rollback()
-        log.error_or_exception("Database error: {}".format(e))
-        ret = Response(json.dumps({'success': False,
-                                   'msg': 'Database error: {}'.format(e.orig if hasattr(e, "orig") else e)}),
-                       mimetype='application/json')
-    return ret
+            # revert change for sort if automatic fields link is deactivated
+            if param == 'title' and vals.get('checkT') == False:
+                book.sort = sort_param
+                calibre_db.session.commit()
+        except (OperationalError, IntegrityError, StaleDataError, AttributeError) as e:
+            calibre_db.session.rollback()
+            log.error_or_exception("Database error: {}".format(e))
+            ret = {"success":False, "msg":'Database error: {}'.format(e.orig if hasattr(e, "orig") else e)}
+            if multi:
+                out.append(ret)
+    if multi:
+        if len(out) > 0:
+            return out
+        else:
+            return [ret]
+    else:
+        return ret


@editbook.route("/ajax/sort_value/<field>/<int:bookid>")
@@ -327,13 +457,13 @@ def get_sorted_entry(field, bookid):
        book = calibre_db.get_filtered_book(bookid)
        if book:
            if field == 'title':
-                return json.dumps({'sort': book.sort})
+                return make_response(jsonify(sort=book.sort))
            elif field == 'authors':
-                return json.dumps({'author_sort': book.author_sort})
+                return make_response(jsonify(author_sort=book.author_sort))
            if field == 'sort':
-                return json.dumps({'sort': book.title})
+                return make_response(jsonify(sort=book.title))
            if field == 'author_sort':
-                return json.dumps({'authors': " & ".join([a.name for a in calibre_db.order_authors([book])])})
+                return make_response(jsonify(authors=" & ".join([a.name for a in calibre_db.order_authors([book])])))
    return ""


@@ -349,7 +479,56 @@ def simulate_merge_list_book():
            from_book = []
            for book_id in vals:
                from_book.append(calibre_db.get_book(book_id).title)
-            return json.dumps({'to': to_book, 'from': from_book})
+            return make_response(jsonify({'to': to_book, 'from': from_book}))
+    return ""
+
+@editbook.route("/ajax/displayselectedbooks", methods=['POST'])
+@user_login_required
+@edit_required
+def display_selected_books():
+    vals = request.get_json().get('selections')
+    books = []
+    if vals:
+        for book_id in vals:
+            books.append(calibre_db.get_book(book_id).title)
+        return json.dumps({'books': books})
+    return ""
+
+@editbook.route("/ajax/archiveselectedbooks", methods=['POST'])
+@login_required_if_no_ano
+@edit_required
+def archive_selected_books():
+    vals = request.get_json().get('selections')
+    state = request.get_json().get('archive')
+    if vals:
+        for book_id in vals:
+            is_archived = change_archived_books(book_id, state,
+                                                message="Book {} archive bit set to: {}".format(book_id, state))
+            if is_archived:
+                kobo_sync_status.remove_synced_book(book_id)
+        return json.dumps({'success': True})
+    return ""
+
+
+@editbook.route("/ajax/readselectedbooks", methods=['POST'])
+@user_login_required
+@edit_required
+def read_selected_books():
+    vals = request.get_json().get('selections')
+    markAsRead = request.get_json().get('markAsRead')
+    if vals:
+        try:
+            for book_id in vals:
+                ret = helper.edit_book_read_status(book_id, markAsRead)
+
+        except (OperationalError, IntegrityError, StaleDataError) as e:
+            calibre_db.session.rollback()
+            log.error_or_exception("Database error: {}".format(e))
+            ret = Response(json.dumps({'success': False,
+                    'msg': 'Database error: {}'.format(e.orig if hasattr(e, "orig") else e)}),
+                    mimetype='application/json')
+
+        return json.dumps({'success': True})
    return ""


@@ -386,8 +565,8 @@ def merge_list_book():
                                                        element.format,
                                                        element.uncompressed_size,
                                                        to_name))
-                    delete_book_from_table(from_book.id, "", True)
-                    return json.dumps({'success': True})
+                    check_delete_book([from_book.id], "", True)
+                    return make_response(jsonify(success=True))
    return ""


@@ -427,11 +606,11 @@ def table_xchange_author_title():
            except (OperationalError, IntegrityError, StaleDataError) as e:
                calibre_db.session.rollback()
                log.error_or_exception("Database error: {}".format(e))
-                return json.dumps({'success': False})
+                return make_response(jsonify(success=False))

            if config.config_use_google_drive:
                gdriveutils.updateGdriveCalibreFromLocal()
-        return json.dumps({'success': True})
+        return make_response(jsonify(success=True))
    return ""


@@ -501,6 +680,7 @@ def do_edit_book(book_id, upload_formats=None):
                    modify_date = True
                    helper.replace_cover_thumbnail_cache(book.id)
                else:
+                    edit_error = True
                    flash(error, category="error")

        # Add default series_index to book
@@ -558,7 +738,7 @@ def do_edit_book(book_id, upload_formats=None):

        if upload_formats:
            resp = {"location": url_for('edit-book.show_edit_book', book_id=book_id)}
-            return Response(json.dumps(resp), mimetype='application/json')
+            return make_response(jsonify(resp))

        if "detail_view" in to_save:
            return redirect(url_for('web.show_book', book_id=book.id))
@@ -662,8 +842,9 @@ def prepare_authors(authr, calibre_path, gdrive=False):
                    all_new_name = helper.get_valid_filename(one_book.title, chars=42) + ' - ' \
                                   + helper.get_valid_filename(renamed_author.name, chars=42)
                    # change location in database to new author/title path
-                    helper.rename_all_files_on_change(one_book, new_path, new_path, all_new_name, gdrive)
-
+                    error = helper.rename_all_files_on_change(one_book, new_path, new_path, all_new_name, gdrive)
+                    if error:
+                        flash(error)
    return input_authors


@@ -767,17 +948,17 @@ def file_handling_on_upload(requested_file):
        if config.config_check_extensions and allowed_extensions != ['']:
            if not validate_mime_type(requested_file, allowed_extensions):
                flash(_("File type isn't allowed to be uploaded to this server"), category="error")
-                return None, Response(json.dumps({"location": url_for("web.index")}), mimetype='application/json')
+                return None, make_response(jsonify(location=url_for("web.index")))
    if '.' in requested_file.filename:
        file_ext = requested_file.filename.rsplit('.', 1)[-1].lower()
        if file_ext not in allowed_extensions and '' not in allowed_extensions:
            flash(
                _("File extension '%(ext)s' is not allowed to be uploaded to this server",
                  ext=file_ext), category="error")
-            return None, Response(json.dumps({"location": url_for("web.index")}), mimetype='application/json')
+            return None, make_response(jsonify(location=url_for("web.index")))
    else:
        flash(_('File to be uploaded must have an extension'), category="error")
-        return None, Response(json.dumps({"location": url_for("web.index")}), mimetype='application/json')
+        return None, make_response(jsonify(location=url_for("web.index")))

    # extract metadata from file
    try:
@@ -786,7 +967,7 @@ def file_handling_on_upload(requested_file):
        log.error("File %s could not saved to temp dir", requested_file.filename)
        flash(_("File %(filename)s could not saved to temp dir",
                filename=requested_file.filename), category="error")
-        return None, Response(json.dumps({"location": url_for("web.index")}), mimetype='application/json')
+        return None, make_response(jsonify(location=url_for("web.index")))
    return meta, None


@@ -855,86 +1036,109 @@ def delete_whole_book(book_id, book):
    calibre_db.session.query(db.Books).filter(db.Books.id == book_id).delete()


-def render_delete_book_result(book_format, json_response, warning, book_id, location=""):
+def render_delete_book_result(book_format, book_id, location=""):
    if book_format:
-        if json_response:
-            return json.dumps([warning, {"location": url_for("edit-book.show_edit_book", book_id=book_id),
-                                         "type": "success",
-                                         "format": book_format,
-                                         "message": _('Book Format Successfully Deleted')}])
-        else:
-            flash(_('Book Format Successfully Deleted'), category="success")
-            return redirect(url_for('edit-book.show_edit_book', book_id=book_id))
+        flash(_('Book Format Successfully Deleted'), category="success")
+        return redirect(url_for('edit-book.show_edit_book', book_id=book_id))
    else:
-        if json_response:
-            return json.dumps([warning, {"location": get_redirect_location(location, "web.index"),
-                                         "type": "success",
-                                         "format": book_format,
-                                         "message": _('Book Successfully Deleted')}])
-        else:
-            flash(_('Book Successfully Deleted'), category="success")
-            return redirect(get_redirect_location(location, "web.index"))
+        flash(_('Book Successfully Deleted'), category="success")
+        return redirect(get_redirect_location(location, "web.index"))


-def delete_book_from_table(book_id, book_format, json_response, location=""):
-    warning = {}
+def check_delete_book(book_id, book_format, json_response, location=""):
    if current_user.role_delete_books():
-        book = calibre_db.get_book(book_id)
-        if book:
-            try:
-                result, error = helper.delete_book(book, config.get_book_path(), book_format=book_format.upper())
-                if not result:
-                    if json_response:
-                        return json.dumps([{"location": url_for("edit-book.show_edit_book", book_id=book_id),
-                                            "type": "danger",
-                                            "format": "",
-                                            "message": error}])
-                    else:
-                        flash(error, category="error")
-                        return redirect(url_for('edit-book.show_edit_book', book_id=book_id))
-                if error:
-                    if json_response:
-                        warning = {"location": url_for("edit-book.show_edit_book", book_id=book_id),
-                                   "type": "warning",
-                                   "format": "",
-                                   "message": error}
-                    else:
-                        flash(error, category="warning")
-                if not book_format:
-                    delete_whole_book(book_id, book)
-                else:
-                    calibre_db.session.query(db.Data).filter(db.Data.book == book.id).\
-                        filter(db.Data.format == book_format).delete()
-                    if book_format.upper() in ['KEPUB', 'EPUB', 'EPUB3']:
-                        kobo_sync_status.remove_synced_book(book.id, True)
-                calibre_db.session.commit()
-            except Exception as ex:
-                log.error_or_exception(ex)
-                calibre_db.session.rollback()
-                if json_response:
-                    return json.dumps([{"location": url_for("edit-book.show_edit_book", book_id=book_id),
-                                        "type": "danger",
-                                        "format": "",
-                                        "message": ex}])
-                else:
-                    flash(str(ex), category="error")
-                    return redirect(url_for('edit-book.show_edit_book', book_id=book_id))
-
+        if json_response:
+            # if json response is set, it's possible to delete more than one book, but never a format is deleted
+            res = list()
+            for b in book_id:
+                ret = delete_book_from_table(b)
+                if ret:
+                    res.extend([ret])
+            if len(res) == 0:
+                return [{"location": get_redirect_location(location, "web.index"),
+                        "type": "success",
+                        "format": "",
+                        "message": _('Book Successfully Deleted')}]
+            return jsonify(res)
        else:
-            # book not found
-            log.error('Book with id "%s" could not be deleted: not found', book_id)
-        return render_delete_book_result(book_format, json_response, warning, book_id, location)
+            return delete_book_from_UI(book_id, book_format, location)
    message = _("You are missing permissions to delete books")
    if json_response:
-        return json.dumps({"location": url_for("edit-book.show_edit_book", book_id=book_id),
-                           "type": "danger",
-                           "format": "",
-                           "message": message})
+        try:
+            return jsonify({"location": url_for("edit-book.show_edit_book", book_id=int(book_id)),
+                               "type": "danger",
+                               "format": "",
+                               "message": message})
+        except TypeError as e:
+            return jsonify({"location": url_for("web.index"), "type": "danger", "format": "",
+                            "message": str(e)})
    else:
        flash(message, category="error")
        return redirect(url_for('edit-book.show_edit_book', book_id=book_id))


+def delete_book_from_UI(book_id, book_format, location=""):
+    book = calibre_db.get_book(book_id)
+    if book:
+        try:
+            result, error = helper.delete_book(book, config.get_book_path(), book_format=book_format.upper())
+            if not result:
+                flash(error, category="error")
+                return redirect(url_for('edit-book.show_edit_book', book_id=book_id))
+            if error:
+                flash(error, category="warning")
+            if not book_format:
+                delete_whole_book(book_id, book)
+            else:
+                calibre_db.session.query(db.Data).filter(db.Data.book == book.id). \
+                    filter(db.Data.format == book_format).delete()
+                if book_format.upper() in ['KEPUB', 'EPUB', 'EPUB3']:
+                    kobo_sync_status.remove_synced_book(book.id, True)
+            calibre_db.session.commit()
+        except Exception as ex:
+            log.error_or_exception(ex)
+            calibre_db.session.rollback()
+            flash(str(ex), category="error")
+            return redirect(url_for('edit-book.show_edit_book', book_id=book_id))
+    else:
+        # book not found
+        log.error('Book with id "%s" could not be deleted: not found', book_id)
+    return render_delete_book_result(book_format, book_id, location)
+
+
+def delete_book_from_table(book_id):
+    book = calibre_db.get_book(book_id)
+    if book:
+        try:
+            result, error = helper.delete_book(book, config.get_book_path(), book_format="")
+            if not result:
+                return {"location": url_for("edit-book.show_edit_book", book_id=book_id),
+                        "type": "danger",
+                        "format": "",
+                        "message": error}
+            delete_whole_book(book_id, book)
+            calibre_db.session.commit()
+            if error:
+                return {"location": url_for("edit-book.show_edit_book", book_id=book_id),
+                           "type": "warning",
+                           "format": "",
+                           "message": error}
+        except Exception as ex:
+            log.error_or_exception(ex)
+            calibre_db.session.rollback()
+            return {"location": url_for("edit-book.show_edit_book", book_id=book_id),
+                    "type": "danger",
+                    "format": "",
+                    "message": ex}
+    else:
+        # book not found
+        log.error('Book with id "%s" could not be deleted: not found', book_id)
+        return {"location": url_for("edit-book.show_edit_book", book_id=book_id),
+                "type": "danger",
+                "format": "",
+                "message": _('Book with id "{}" could not be deleted: not found'.format(book_id))}
+
+
 def render_edit_book(book_id):
    cc = calibre_db.session.query(db.CustomColumns).filter(db.CustomColumns.datatype.notin_(db.cc_exceptions)).all()
    book = calibre_db.get_filtered_book(book_id, allow_show_archived=True)
@@ -56,7 +56,7 @@ def get_epub_layout(book, book_data):
        p = tree.xpath('/pkg:package/pkg:metadata', namespaces=default_ns)[0]

        layout = p.xpath('pkg:meta[@property="rendition:layout"]/text()', namespaces=default_ns)
-    except (etree.XMLSyntaxError, KeyError, IndexError, OSError) as e:
+    except (etree.XMLSyntaxError, KeyError, IndexError, OSError, UnicodeDecodeError) as e:
        log.error("Could not parse epub metadata of book {} during kobo sync: {}".format(book.id, e))
        layout = []

@@ -33,21 +33,36 @@ log = logger.create()
 # custom error page

 def error_http(error):
+    headers = {'WWW-Authenticate': 'Basic realm="calibre-web"'} if error.code == 401 else {}
    return render_template('http_error.html',
                           error_code="Error {0}".format(error.code),
                           error_name=error.name,
                           issue=False,
+                           goto_admin=False,
                           unconfigured=not config.db_configured,
                           instance=config.config_calibre_web_title
-                           ), error.code
+                           ), error.code, headers


 def internal_error(error):
+    if (isinstance(error.original_exception, AttributeError) and
+        error.original_exception.args[0] == "'NoneType' object has no attribute 'query'"
+        and error.original_exception.name == "query"):
+        return render_template('http_error.html',
+                               error_code="Database Error",
+                               error_name='The library used is invalid or has permission errors',
+                               issue=False,
+                               goto_admin=True,
+                               unconfigured=False,
+                               error_stack="",
+                               instance=config.config_calibre_web_title
+                               ), 500
    return render_template('http_error.html',
                           error_code="500 Internal Server Error",
                           error_name='The server encountered an internal error and was unable to complete your '
                                      'request. There is an error in the application.',
                           issue=True,
+                           goto_admin=False,
                           unconfigured=False,
                           error_stack=traceback.format_exc().split("\n"),
                           instance=config.config_calibre_web_title
@@ -34,6 +34,15 @@ except ImportError as e:
    error = "Cannot import python-magic, checking uploaded file metadata will not work: {}".format(e)


+def get_mimetype(ext):
+    # overwrite some mimetypes for proper file detection
+    mimes = {".fb2": "text/xml",
+             ".cbz": "application/zip",
+             ".cbr": "application/x-rar"
+             }
+    return mimes.get(ext, mimetypes.types_map[ext])
+
+
 def get_temp_dir():
    tmp_dir = os.path.join(gettempdir(), 'calibre_web')
    if not os.path.isdir(tmp_dir):
@@ -54,7 +63,7 @@ def validate_mime_type(file_buffer, allowed_extensions):
    allowed_mimetypes = list()
    for x in allowed_extensions:
        try:
-            allowed_mimetypes.append(mimetypes.types_map["." + x])
+            allowed_mimetypes.append(get_mimetype("." + x))
        except KeyError:
            log.error("Unkown mimetype for Extension: {}".format(x))
    tmp_mime_type = mime.from_buffer(file_buffer.read())
@@ -17,7 +17,7 @@
 #   along with this program. If not, see <http://www.gnu.org/licenses/>.

 from . import logger
-from .constants import CACHE_DIR
+from .constants import CACHE_DIRECTORY
 from os import makedirs, remove
 from os.path import isdir, isfile, join
 from shutil import rmtree
@@ -25,7 +25,7 @@ from shutil import rmtree

 class FileSystem:
    _instance = None
-    _cache_dir = CACHE_DIR
+    _cache_dir = CACHE_DIRECTORY

    def __new__(cls):
        if cls._instance is None:
@@ -30,7 +30,7 @@ import requests
 import unidecode
 from uuid import uuid4

-from flask import send_from_directory, make_response, abort, url_for, Response
+from flask import send_from_directory, make_response, abort, url_for, Response, request
 from flask_babel import gettext as _
 from flask_babel import lazy_gettext as N_
 from flask_babel import get_locale
@@ -43,10 +43,10 @@ from markupsafe import escape
 from urllib.parse import quote

 try:
-    import advocate
-    from advocate.exceptions import UnacceptableAddressException
+    from . import cw_advocate
+    from .cw_advocate.exceptions import UnacceptableAddressException
    use_advocate = True
-except ImportError:
+except ImportError as e:
    use_advocate = False
    advocate = requests
    UnacceptableAddressException = MissingSchema = BaseException
@@ -199,7 +199,7 @@ def check_send_to_ereader(entry):
 # Check if a reader is existing for any of the book formats, if not, return empty list, otherwise return
 # list with supported formats
 def check_read_formats(entry):
-    extensions_reader = {'TXT', 'PDF', 'EPUB', 'CBZ', 'CBT', 'CBR', 'DJVU', 'DJV'}
+    extensions_reader = {'TXT', 'PDF', 'EPUB', 'KEPUB', 'CBZ', 'CBT', 'CBR', 'DJVU', 'DJV'}
    book_formats = list()
    if len(entry.data):
        for ele in iter(entry.data):
@@ -237,7 +237,7 @@ def send_mail(book_id, book_format, convert, ereader_mail, calibrepath, user_id)
    return _("The requested file could not be read. Maybe wrong permissions?")


-def get_valid_filename(value, replace_whitespace=True, chars=128):
+def get_valid_filename(value, replace_whitespace=True, chars=128, force_unidecode=False):
    """
    Returns the given string converted to a string that can be used for a clean
    filename. Limits num characters to 128 max.
@@ -245,7 +245,7 @@ def get_valid_filename(value, replace_whitespace=True, chars=128):
    if value[-1:] == '.':
        value = value[:-1]+'_'
    value = value.replace("/", "_").replace(":", "_").strip('\0')
-    if config.config_unicode_filename:
+    if config.config_unicode_filename or force_unidecode:
        value = (unidecode.unidecode(value))
    if replace_whitespace:
        #  *+:\"/<>? are replaced by _
@@ -307,18 +307,16 @@ def edit_book_read_status(book_id, read_status=None):
    if not config.config_read_column:
        book = ub.session.query(ub.ReadBook).filter(and_(ub.ReadBook.user_id == int(current_user.id),
                                                         ub.ReadBook.book_id == book_id)).first()
-        if book:
-            if read_status is None:
-                if book.read_status == ub.ReadBook.STATUS_FINISHED:
-                    book.read_status = ub.ReadBook.STATUS_UNREAD
-                else:
-                    book.read_status = ub.ReadBook.STATUS_FINISHED
-            else:
-                book.read_status = ub.ReadBook.STATUS_FINISHED if read_status else ub.ReadBook.STATUS_UNREAD
-        else:
+        if not book:
            read_book = ub.ReadBook(user_id=current_user.id, book_id=book_id)
-            read_book.read_status = ub.ReadBook.STATUS_FINISHED
            book = read_book
+        if read_status is None:
+            if book.read_status == ub.ReadBook.STATUS_FINISHED:
+                book.read_status = ub.ReadBook.STATUS_UNREAD
+            else:
+                book.read_status = ub.ReadBook.STATUS_FINISHED
+        else:
+            book.read_status = ub.ReadBook.STATUS_FINISHED if read_status == True else ub.ReadBook.STATUS_UNREAD
        if not book.kobo_reading_state:
            kobo_reading_state = ub.KoboReadingState(user_id=current_user.id, book_id=book_id)
            kobo_reading_state.current_bookmark = ub.KoboBookmark()
@@ -329,7 +327,7 @@ def edit_book_read_status(book_id, read_status=None):
    else:
        try:
            calibre_db.create_functions(config)
-            book = calibre_db.get_filtered_book(book_id)
+            book = calibre_db.get_filtered_book(book_id, True)
            book_read_status = getattr(book, 'custom_column_' + str(config.config_read_column))
            if len(book_read_status):
                if read_status is None:
@@ -396,10 +394,16 @@ def delete_book_file(book, calibrepath, book_format=None):
 def rename_all_files_on_change(one_book, new_path, old_path, all_new_name, gdrive=False):
    for file_format in one_book.data:
        if not gdrive:
-            if not os.path.exists(new_path):
-                os.makedirs(new_path)
-            shutil.move(os.path.join(old_path, file_format.name + '.' + file_format.format.lower()),
-                    os.path.join(new_path, all_new_name + '.' + file_format.format.lower()))
+            try:
+                if not os.path.exists(new_path):
+                    os.makedirs(new_path)
+                shutil.move(os.path.join(old_path, file_format.name + '.' + file_format.format.lower()),
+                        os.path.join(new_path, all_new_name + '.' + file_format.format.lower()))
+            except (PermissionError, FileNotFoundError) as ex:
+                log.error("Moving book-id %s folder %s failed: %s", one_book.id, new_path, ex)                
+                return _("Moving book path of Book %(book_id)s to: '%(src)s' failed with error: %(error)s",
+                 book_id=one_book.id, src=new_path, error=str(ex))
+            
        else:
            g_file = gd.getFileFromEbooksFolder(old_path,
                                                file_format.name + '.' + file_format.format.lower())
@@ -412,14 +416,13 @@ def rename_all_files_on_change(one_book, new_path, old_path, all_new_name, gdriv

        # change name in Database
        file_format.name = all_new_name
+    return False


 def rename_author_path(first_author, old_author_dir, renamed_author, calibre_path="", gdrive=False):
    # Create new_author_dir from parameter or from database
    # Create new title_dir from database and add id
    new_authordir = get_valid_filename(first_author, chars=96)
-    # new_author = calibre_db.session.query(db.Authors).filter(db.Authors.name == renamed_author).first()
-    # old_author_dir = get_valid_filename(old_author_name, chars=96)
    new_author_rename_dir = get_valid_filename(renamed_author, chars=96)
    if gdrive:
        g_file = gd.getFileFromEbooksFolder(None, old_author_dir)
@@ -468,17 +471,15 @@ def update_dir_structure_file(book_id, calibre_path, original_filepath, new_auth
                                     db_filename,
                                     original_filepath,
                                     path)
-        # old_path = os.path.join(calibre_path, author_dir, new_title_dir).replace('\\', '/')
-        new_path = os.path.join(calibre_path, new_author_dir, new_title_dir).replace('\\', '/')
-        all_new_name = get_valid_filename(local_book.title, chars=42) + ' - ' \
-                       + get_valid_filename(new_author, chars=42)
-        # Book folder already moved, only files need to be renamed
-        rename_all_files_on_change(local_book, new_path, new_path, all_new_name)
+        if not error:
+            new_path = os.path.join(calibre_path, new_author_dir, new_title_dir).replace('\\', '/')
+            all_new_name = get_valid_filename(local_book.title, chars=42) + ' - ' \
+                           + get_valid_filename(new_author, chars=42)
+            # Book folder already moved, only files need to be renamed
+            renameerror = rename_all_files_on_change(local_book, new_path, new_path, all_new_name)

-        if error:
-            return error
-
-    # Rename all files from old names to new names
+        if error or renameerror:
+            return error or renameerror
    return False


@@ -490,7 +491,7 @@ def upload_new_file_gdrive(book_id, first_author, title, title_dir, original_fil
                               title_dir + " (" + str(book_id) + ")")
    book.path = gdrive_path.replace("\\", "/")
    gd.uploadFileToEbooksFolder(os.path.join(gdrive_path, file_name).replace("\\", "/"), original_filepath)
-    return False # rename_files_on_change(first_author, renamed_author, local_book=book, gdrive=True)
+    return False


 def update_dir_structure_gdrive(book_id, first_author):
@@ -518,24 +519,26 @@ def update_dir_structure_gdrive(book_id, first_author):
            book.path = new_authordir + '/' + book.path.split('/')[1]
            gd.updateDatabaseOnEdit(g_file['id'], book.path)
        else:
-            return _('File %(file)s not found on Google Drive', file=authordir)  # file not found'''
+            return _('File %(file)s not found on Google Drive', file=authordir)  # file not found
    if titledir != new_titledir or authordir != new_authordir :
        all_new_name = get_valid_filename(book.title, chars=42) + ' - ' \
                       + get_valid_filename(new_authordir, chars=42)
-        rename_all_files_on_change(book, book.path, book.path, all_new_name, gdrive=True)  # todo: Move filenames on gdrive
-    # change location in database to new author/title path
-    # book.path = os.path.join(authordir, new_titledir).replace('\\', '/')
+        return rename_all_files_on_change(book, book.path, book.path, all_new_name, gdrive=True)  # todo: Move filenames on gdrive
    return False


 def move_files_on_change(calibre_path, new_author_dir, new_titledir, localbook, db_filename, original_filepath, path):
    new_path = os.path.join(calibre_path, new_author_dir, new_titledir)
-    # new_name = get_valid_filename(localbook.title, chars=96) + ' - ' + new_author_dir
    try:
        if original_filepath:
            if not os.path.isdir(new_path):
                os.makedirs(new_path)
-            shutil.move(original_filepath, os.path.join(new_path, db_filename))
+            try:
+                shutil.move(original_filepath, os.path.join(new_path, db_filename))
+            except OSError:
+                log.error("Rename title from {} to {} failed with error, trying to "
+                          "move without metadata".format(path, new_path))
+                shutil.move(original_filepath, os.path.join(new_path, db_filename), copy_function=shutil.copy)
            log.debug("Moving title: %s to %s", original_filepath, new_path)
        else:
            # Check new path is not valid path
@@ -556,33 +559,13 @@ def move_files_on_change(calibre_path, new_author_dir, new_titledir, localbook,
                    log.error("Deleting authorpath for book %s failed: %s", localbook.id, ex)
        # change location in database to new author/title path
        localbook.path = os.path.join(new_author_dir, new_titledir).replace('\\', '/')
-    except OSError as ex:
+    except (OSError, FileNotFoundError) as ex:
        log.error_or_exception("Rename title from {} to {} failed with error: {}".format(path, new_path, ex))
        return _("Rename title from: '%(src)s' to '%(dest)s' failed with error: %(error)s",
                 src=path, dest=new_path, error=str(ex))
    return False


-def rename_files_on_change(first_author,
-                           renamed_author,
-                           local_book,
-                           original_filepath="",
-                           path="",
-                           calibre_path="",
-                           gdrive=False):
-    # Rename all files from old names to new names
-    #try:
-        #clean_author_database(renamed_author, calibre_path, gdrive=gdrive)
-        #if first_author and first_author not in renamed_author:
-        #    clean_author_database([first_author], calibre_path, local_book, gdrive)
-        #if not gdrive and not renamed_author and not original_filepath and len(os.listdir(os.path.dirname(path))) == 0:
-        #    shutil.rmtree(os.path.dirname(path))
-    #except (OSError, FileNotFoundError) as ex:
-    #    log.error_or_exception("Error in rename file in path {}".format(ex))
-    #    return _("Error in rename file in path: {}".format(str(ex)))
-    return False
-
-
 def delete_book_gdrive(book, book_format):
    error = None
    if book_format:
@@ -844,7 +827,7 @@ def save_cover_from_url(url, book_path):
        if cli_param.allow_localhost:
            img = requests.get(url, timeout=(10, 200), allow_redirects=False)  # ToDo: Error Handling
        elif use_advocate:
-            img = advocate.get(url, timeout=(10, 200), allow_redirects=False)      # ToDo: Error Handling
+            img = cw_advocate.get(url, timeout=(10, 200), allow_redirects=False)      # ToDo: Error Handling
        else:
            log.error("python module advocate is not installed but is needed")
            return False, _("Python module 'advocate' is not installed but is needed for cover uploads")
@@ -908,7 +891,7 @@ def save_cover(img, book_path):
            else:
                imgc = Image(blob=io.BytesIO(img.content))
            imgc.format = 'jpeg'
-            imgc.transform_colorspace("rgb")
+            imgc.transform_colorspace("srgb")
            img = imgc
        except (BlobError, MissingDelegateError):
            log.error("Invalid cover file content")
@@ -977,7 +960,8 @@ def do_download_file(book, book_format, client, data, headers):
    # ToDo Check headers parameter
    for element in headers:
        response.headers[element[0]] = element[1]
-    log.info('Downloading file: {}'.format(os.path.join(filename, book_name + "." + book_format)))
+    log.info('Downloading file: \'%s\' by %s - %s', format(os.path.join(filename, book_name + "." + book_format)),
+             current_user.name, request.headers.get('X-Forwarded-For', request.remote_addr))
    return response


@@ -1107,11 +1091,12 @@ def get_download_link(book_id, book_format, client):
            file_name = book.title
            if len(book.authors) > 0:
                file_name = file_name + ' - ' + book.authors[0].name
-            file_name = get_valid_filename(file_name, replace_whitespace=False)
+            file_name = get_valid_filename(file_name, replace_whitespace=False, force_unidecode=True)
+            quoted_file_name = file_name if client == "kindle" else quote(file_name)
            headers = Headers()
            headers["Content-Type"] = mimetypes.types_map.get('.' + book_format, "application/octet-stream")
-            headers["Content-Disposition"] = "attachment; filename=%s.%s; filename*=UTF-8''%s.%s" % (
-                quote(file_name), book_format, quote(file_name), book_format)
+            headers["Content-Disposition"] = ('attachment; filename="{}.{}"; filename*=UTF-8\'\'{}.{}').format(
+                file_name, book_format, quoted_file_name, book_format)
            return do_download_file(book, book_format, client, data1, headers)
    else:
        log.error("Book id {} not found for downloading".format(book_id))
@@ -25,20 +25,7 @@ log = logger.create()


 try:
-    from iso639 import languages
-    # iso_version = importlib.metadata.version("iso639")
-    get = languages.get
-    try:
-        if sys.version_info >= (3, 12):
-            import pkg_resources
-    except ImportError:
-        print("Python 3.12 isn't compatible with iso-639. Please install pycountry.")
-except ImportError as ex:
    from pycountry import languages as pyc_languages
-    #try:
-    #    iso_version = importlib.metadata.version("pycountry") + ' (PyCountry)'
-    #except (ImportError, Exception):
-    #    iso_version = "?" + ' (PyCountry)'

    def _copy_fields(l):
        l.part1 = getattr(l, 'alpha_2', None)
@@ -52,6 +39,11 @@ except ImportError as ex:
            return _copy_fields(pyc_languages.get(alpha_2=part1))
        if name is not None:
            return _copy_fields(pyc_languages.get(name=name))
+except ImportError as ex:
+    if sys.version_info >= (3, 12):
+        print("Python 3.12 isn't compatible with iso-639. Please install pycountry.")
+    from iso639 import languages
+    get = languages.get


 def get_language_names(locale):
@@ -109,6 +101,6 @@ def get_lang3(lang):
            ret_value = lang
        else:
            ret_value = ""
-    except KeyError:
+    except (KeyError, AttributeError):
        ret_value = lang
    return ret_value
@@ -12,6 +12,384 @@
 # map iso639 language codes to language names, translated

 LANGUAGE_NAMES = {
+    "ar": {
+        "abk": "Abkhazian",
+        "ace": "Achinese",
+        "ach": "Acoli",
+        "ada": "Adangme",
+        "ady": "Adyghe",
+        "aar": "Afar",
+        "afh": "Afrihili",
+        "afr": "الأفريكانس",
+        "ain": "Ainu (Japan)",
+        "aka": "Akan",
+        "akk": "Akkadian",
+        "sqi": "Albanian",
+        "ale": "Aleut",
+        "amh": "Amharic",
+        "anp": "Angika",
+        "ara": "العربية",
+        "arg": "Aragonese",
+        "arp": "Arapaho",
+        "arw": "Arawak",
+        "hye": "الأرمينية",
+        "asm": "Assamese",
+        "ast": "Asturian",
+        "ava": "Avaric",
+        "ave": "Avestan",
+        "awa": "Awadhi",
+        "aym": "Aymara",
+        "aze": "الأذربيجانية",
+        "ban": "البالية",
+        "bal": "Baluchi",
+        "bam": "Bambara",
+        "bas": "Basa (Cameroon)",
+        "bak": "Bashkir",
+        "eus": "الباسك",
+        "bej": "Beja",
+        "bel": "بلاروسي",
+        "bem": "Bemba (Zambia)",
+        "ben": "البنغالية",
+        "bit": "Berinomo",
+        "bho": "Bhojpuri",
+        "bik": "Bikol",
+        "byn": "Bilin",
+        "bin": "Bini",
+        "bis": "Bislama",
+        "zbl": "Blissymbols",
+        "bos": "Bosnian",
+        "bra": "Braj",
+        "bre": "البريتون",
+        "bug": "البجينيز",
+        "bul": "البلغارية",
+        "bua": "Buriat",
+        "mya": "البورمية",
+        "cad": "Caddo",
+        "cat": "الكاتالانية",
+        "ceb": "Cebuano",
+        "chg": "Chagatai",
+        "cha": "Chamorro",
+        "che": "Chechen",
+        "chr": "الشيروكى",
+        "chy": "Cheyenne",
+        "chb": "Chibcha",
+        "zho": "الصينية",
+        "chn": "Chinook jargon",
+        "chp": "Chipewyan",
+        "cho": "Choctaw",
+        "cht": "Cholón",
+        "chk": "Chuukese",
+        "chv": "Chuvash",
+        "cop": "القبطية",
+        "cor": "Cornish",
+        "cos": "Corsican",
+        "cre": "Cree",
+        "mus": "Creek",
+        "hrv": "الكرواتية",
+        "ces": "التشيكية",
+        "dak": "Dakota",
+        "dan": "الدنماركية",
+        "dar": "Dargwa",
+        "del": "Delaware",
+        "div": "Dhivehi",
+        "din": "Dinka",
+        "doi": "Dogri (macrolanguage)",
+        "dgr": "Dogrib",
+        "dua": "Duala",
+        "nld": "الهولندية",
+        "dse": "Dutch Sign Language",
+        "dyu": "Dyula",
+        "dzo": "الزونخاية",
+        "efi": "Efik",
+        "egy": "Egyptian (Ancient)",
+        "eka": "Ekajuk",
+        "elx": "Elamite",
+        "eng": "الإنجليزية",
+        "enu": "Enu",
+        "myv": "Erzya",
+        "epo": "الإسبرانتو",
+        "est": "الإستونية",
+        "ewe": "Ewe",
+        "ewo": "Ewondo",
+        "fan": "Fang (Equatorial Guinea)",
+        "fat": "Fanti",
+        "fao": "Faroese",
+        "fij": "Fijian",
+        "fil": "Filipino",
+        "fin": "الفنلندية",
+        "fon": "Fon",
+        "fra": "الفرنسية",
+        "fur": "Friulian",
+        "ful": "Fulah",
+        "gaa": "Ga",
+        "glg": "Galician",
+        "lug": "Ganda",
+        "gay": "Gayo",
+        "gba": "Gbaya (Central African Republic)",
+        "hmj": "Ge",
+        "gez": "Geez",
+        "kat": "Georgian",
+        "deu": "الألمانية",
+        "gil": "Gilbertese",
+        "gon": "Gondi",
+        "gor": "Gorontalo",
+        "got": "القوطية",
+        "grb": "Grebo",
+        "grn": "Guarani",
+        "guj": "الغوجاراتية",
+        "gwi": "Gwichʼin",
+        "hai": "Haida",
+        "hau": "Hausa",
+        "haw": "Hawaiian",
+        "heb": "العبرية",
+        "her": "Herero",
+        "hil": "Hiligaynon",
+        "hin": "الهندية",
+        "hmo": "Hiri Motu",
+        "hit": "Hittite",
+        "hmn": "Hmong",
+        "hun": "الهنغارية (المجرية)",
+        "hup": "Hupa",
+        "iba": "Iban",
+        "isl": "الآيسلندية",
+        "ido": "Ido",
+        "ibo": "Igbo",
+        "ilo": "Iloko",
+        "ind": "الإندونيسية",
+        "inh": "Ingush",
+        "ina": "Interlingua (International Auxiliary Language Association)",
+        "ile": "Interlingue",
+        "iku": "Inuktitut",
+        "ipk": "Inupiaq",
+        "gle": "الأيرلندية",
+        "ita": "الإيطالية",
+        "jpn": "اليابانية",
+        "jav": "الجاوية",
+        "jrb": "Judeo-Arabic",
+        "jpr": "Judeo-Persian",
+        "kbd": "Kabardian",
+        "kab": "Kabyle",
+        "kac": "Kachin",
+        "kal": "Kalaallisut",
+        "xal": "Kalmyk",
+        "kam": "Kamba (Kenya)",
+        "kan": "الكانادا",
+        "kau": "Kanuri",
+        "kaa": "Kara-Kalpak",
+        "krc": "Karachay-Balkar",
+        "krl": "Karelian",
+        "kas": "Kashmiri",
+        "csb": "Kashubian",
+        "kaw": "Kawi",
+        "kaz": "Kazakh",
+        "kha": "Khasi",
+        "kho": "Khotanese",
+        "kik": "Kikuyu",
+        "kmb": "Kimbundu",
+        "kin": "Kinyarwanda",
+        "kir": "Kirghiz",
+        "tlh": "Klingon",
+        "kom": "Komi",
+        "kon": "Kongo",
+        "kok": "Konkani (macrolanguage)",
+        "kor": "الكورية",
+        "kos": "Kosraean",
+        "kpe": "Kpelle",
+        "kua": "Kuanyama",
+        "kum": "Kumyk",
+        "kur": "الكردية",
+        "kru": "Kurukh",
+        "kut": "Kutenai",
+        "lad": "Ladino",
+        "lah": "Lahnda",
+        "lam": "Lamba",
+        "lao": "اللاو",
+        "lat": "Latin",
+        "lav": "اللاتفية",
+        "lez": "Lezghian",
+        "lim": "Limburgan",
+        "lin": "Lingala",
+        "lit": "الليتوانية",
+        "jbo": "Lojban",
+        "loz": "Lozi",
+        "lub": "Luba-Katanga",
+        "lua": "Luba-Lulua",
+        "lui": "Luiseno",
+        "smj": "Lule Sami",
+        "lun": "Lunda",
+        "luo": "Luo (Kenya and Tanzania)",
+        "lus": "Lushai",
+        "ltz": "Luxembourgish",
+        "mkd": "المقدونية",
+        "mad": "Madurese",
+        "mag": "Magahi",
+        "mai": "Maithili",
+        "mak": "Makasar",
+        "mlg": "Malagasy",
+        "msa": "Malay (macrolanguage)",
+        "mal": "الماليالام",
+        "mlt": "المالطية",
+        "mnc": "Manchu",
+        "mdr": "Mandar",
+        "man": "Mandingo",
+        "mni": "Manipuri",
+        "glv": "Manx",
+        "mri": "الموري",
+        "arn": "Mapudungun",
+        "mar": "Marathi",
+        "chm": "Mari (Russia)",
+        "mah": "Marshallese",
+        "mwr": "Marwari",
+        "mas": "Masai",
+        "men": "Mende (Sierra Leone)",
+        "mic": "Mi'kmaq",
+        "min": "Minangkabau",
+        "mwl": "Mirandese",
+        "moh": "Mohawk",
+        "mdf": "Moksha",
+        "lol": "Mongo",
+        "mon": "المغولية",
+        "mos": "Mossi",
+        "mul": "Multiple languages",
+        "nqo": "N'Ko",
+        "nau": "Nauru",
+        "nav": "Navajo",
+        "ndo": "Ndonga",
+        "nap": "Neapolitan",
+        "nia": "Nias",
+        "niu": "Niuean",
+        "zxx": "No linguistic content",
+        "nog": "Nogai",
+        "nor": "النرويجية",
+        "nob": "Norwegian Bokmål",
+        "nno": "Norwegian Nynorsk",
+        "nym": "Nyamwezi",
+        "nya": "Nyanja",
+        "nyn": "Nyankole",
+        "nyo": "Nyoro",
+        "nzi": "Nzima",
+        "oci": "Occitan (post 1500)",
+        "oji": "Ojibwa",
+        "orm": "Oromo",
+        "osa": "Osage",
+        "oss": "Ossetian",
+        "pal": "Pahlavi",
+        "pau": "Palauan",
+        "pli": "Pali",
+        "pam": "Pampanga",
+        "pag": "Pangasinan",
+        "pan": "Panjabi",
+        "pap": "Papiamento",
+        "fas": "الفارسي",
+        "phn": "الفينيقية",
+        "pon": "Pohnpeian",
+        "pol": "البولندية",
+        "por": "البرتغالية",
+        "pus": "Pashto",
+        "que": "Quechua",
+        "raj": "Rajasthani",
+        "rap": "Rapanui",
+        "ron": "الرومانية",
+        "roh": "Romansh",
+        "rom": "Romany",
+        "run": "Rundi",
+        "rus": "الروسية",
+        "smo": "Samoan",
+        "sad": "Sandawe",
+        "sag": "Sango",
+        "san": "Sanskrit",
+        "sat": "Santali",
+        "srd": "Sardinian",
+        "sas": "Sasak",
+        "sco": "Scots",
+        "sel": "Selkup",
+        "srp": "الصربية",
+        "srr": "Serer",
+        "shn": "Shan",
+        "sna": "Shona",
+        "scn": "Sicilian",
+        "sid": "Sidamo",
+        "bla": "Siksika",
+        "snd": "Sindhi",
+        "sin": "السينهالا",
+        "den": "Slave (Athapascan)",
+        "slk": "السلوفاكية",
+        "slv": "السلوفينية",
+        "sog": "Sogdian",
+        "som": "Somali",
+        "snk": "Soninke",
+        "spa": "الأسبانية",
+        "srn": "Sranan Tongo",
+        "suk": "Sukuma",
+        "sux": "Sumerian",
+        "sun": "السوندية",
+        "sus": "Susu",
+        "swa": "Swahili (macrolanguage)",
+        "ssw": "Swati",
+        "swe": "السويدية",
+        "syr": "السريانية",
+        "tgl": "التاغالوغية",
+        "tah": "Tahitian",
+        "tgk": "Tajik",
+        "tmh": "Tamashek",
+        "tam": "التاميلية",
+        "tat": "Tatar",
+        "tel": "التيلوغو",
+        "ter": "Tereno",
+        "tet": "Tetum",
+        "tha": "التايلاندية",
+        "bod": "التبتية",
+        "tig": "Tigre",
+        "tir": "Tigrinya",
+        "tem": "Timne",
+        "tiv": "Tiv",
+        "tli": "Tlingit",
+        "tpi": "Tok Pisin",
+        "tkl": "Tokelau",
+        "tog": "Tonga (Nyasa)",
+        "ton": "Tonga (Tonga Islands)",
+        "tsi": "Tsimshian",
+        "tso": "Tsonga",
+        "tsn": "Tswana",
+        "tum": "Tumbuka",
+        "tur": "التركية",
+        "tuk": "Turkmen",
+        "tvl": "Tuvalu",
+        "tyv": "Tuvinian",
+        "twi": "Twi",
+        "udm": "Udmurt",
+        "uga": "الأجاريتيكية",
+        "uig": "الاغورية",
+        "ukr": "Ukrainian",
+        "umb": "Umbundu",
+        "mis": "Uncoded languages",
+        "und": "Undetermined",
+        "urd": "الاردية",
+        "uzb": "Uzbek",
+        "vai": "الفاي",
+        "ven": "Venda",
+        "vie": "الفييتنامية",
+        "vol": "Volapük",
+        "vot": "Votic",
+        "wln": "الوالون",
+        "war": "Waray (Philippines)",
+        "was": "Washo",
+        "cym": "الويلزية",
+        "wal": "Wolaytta",
+        "wol": "Wolof",
+        "xho": "الهاوسا",
+        "sah": "Yakut",
+        "yao": "Yao",
+        "yap": "Yapese",
+        "yid": "Yiddish",
+        "yor": "Yoruba",
+        "zap": "Zapotec",
+        "zza": "Zaza",
+        "zen": "Zenaga",
+        "zha": "Zhuang",
+        "zul": "الزولو",
+        "zun": "Zuni"
+    },
    "cs": {
        "aar": "afarština",
        "abk": "abchazajština",
@@ -8138,6 +8516,384 @@ LANGUAGE_NAMES = {
        "zul": "Zulu",
        "zun": "Zuni"
    },
+    "sl": {
+        "abk": "abhazijski",
+        "ace": "achinese",
+        "ach": "Acoli",
+        "ada": "Adangme",
+        "ady": "Adyghe",
+        "aar": "afarski",
+        "afh": "Afrihili",
+        "afr": "afrikanski",
+        "ain": "Ainu (Japan)",
+        "aka": "Akan",
+        "akk": "akadski",
+        "sqi": "albanščina",
+        "ale": "aleutski",
+        "amh": "amharski",
+        "anp": "Angika",
+        "ara": "arabski",
+        "arg": "aragonski",
+        "arp": "Arapaho",
+        "arw": "araukanski",
+        "hye": "armenščina",
+        "asm": "asamski",
+        "ast": "Asturian",
+        "ava": "avarski",
+        "ave": "avestijski jeziki",
+        "awa": "Awadhi",
+        "aym": "Aymara",
+        "aze": "azerbajdžanski",
+        "ban": "balijščina",
+        "bal": "belučijski",
+        "bam": "bambarski",
+        "bas": "Basa (Cameroon)",
+        "bak": "baškirski",
+        "eus": "baskovščina",
+        "bej": "Beja",
+        "bel": "beloruščina",
+        "bem": "Bemba (Zambia)",
+        "ben": "bengalščina",
+        "bit": "Berinomo",
+        "bho": "Bhojpuri",
+        "bik": "bikolščina",
+        "byn": "Bilin",
+        "bin": "Bini",
+        "bis": "bislama",
+        "zbl": "Blissymbols",
+        "bos": "bošnjaščina",
+        "bra": "Braj",
+        "bre": "bretonščina",
+        "bug": "buginščina",
+        "bul": "bolgarščina",
+        "bua": "burjatščina",
+        "mya": "burmanščina",
+        "cad": "kadajščina?",
+        "cat": "katalonščina",
+        "ceb": "cebuanščina",
+        "chg": "Chagatai",
+        "cha": "čamorščina",
+        "che": "čečenščina",
+        "chr": "čerokeščina",
+        "chy": "čejenščina",
+        "chb": "čibčevščina",
+        "zho": "kitajščina",
+        "chn": "Chinook jargon",
+        "chp": "čipevščina",
+        "cho": "Choctaw",
+        "cht": "Cholón",
+        "chk": "Chuukese",
+        "chv": "čuvaščina",
+        "cop": "koptščina",
+        "cor": "kornijščina",
+        "cos": "korzijščina",
+        "cre": "krijščina",
+        "mus": "Creek",
+        "hrv": "hrvaščina",
+        "ces": "češčina",
+        "dak": "Dakota",
+        "dan": "danski",
+        "dar": "Dargwa",
+        "del": "Delaware",
+        "div": "Dhivehi",
+        "din": "Dinka",
+        "doi": "Dogri (macrolanguage)",
+        "dgr": "Dogrib",
+        "dua": "Duala",
+        "nld": "nizozemščina",
+        "dse": "Dutch Sign Language",
+        "dyu": "Dyula",
+        "dzo": "dzongkha",
+        "efi": "Efik",
+        "egy": "egipčanski",
+        "eka": "Ekajuk",
+        "elx": "elamščina",
+        "eng": "angleščina",
+        "enu": "Enu",
+        "myv": "Erzya",
+        "epo": "esperanto",
+        "est": "estonščina",
+        "ewe": "evenščina",
+        "ewo": "Ewondo",
+        "fan": "Fang (Equatorial Guinea)",
+        "fat": "Fanti",
+        "fao": "ferščina",
+        "fij": "fidžijščina",
+        "fil": "Filipino",
+        "fin": "finščina",
+        "fon": "Fon",
+        "fra": "francoščina",
+        "fur": "furlanščina",
+        "ful": "fulščina",
+        "gaa": "Ga",
+        "glg": "Galician",
+        "lug": "Ganda",
+        "gay": "gajščina?",
+        "gba": "Gbaya (Central African Republic)",
+        "hmj": "Ge",
+        "gez": "etiopščina?",
+        "kat": "gruzinščina",
+        "deu": "nemški",
+        "gil": "gilbertščina",
+        "gon": "Gondi",
+        "gor": "Gorontalo",
+        "got": "gotščina",
+        "grb": "Grebo",
+        "grn": "gvaranijščina",
+        "guj": "gudžaratščina",
+        "gwi": "Gwichʼin",
+        "hai": "haidščina",
+        "hau": "havščina",
+        "haw": "havajščina",
+        "heb": "hebrejščina",
+        "her": "Herero",
+        "hil": "hilingajnonščina",
+        "hin": "hindijščina",
+        "hmo": "hiri motu",
+        "hit": "hetitščina",
+        "hmn": "hmonščina; miaojščina",
+        "hun": "madžarščina",
+        "hup": "hupščina",
+        "iba": "ibanščina",
+        "isl": "islandščina",
+        "ido": "Ido",
+        "ibo": "Igbo",
+        "ilo": "Iloko",
+        "ind": "indonezijščina",
+        "inh": "inguščina",
+        "ina": "interlingva",
+        "ile": "Interlingue",
+        "iku": "inuktituščina",
+        "ipk": "Inupiaq",
+        "gle": "irščina",
+        "ita": "italijanščina",
+        "jpn": "japonščina",
+        "jav": "javanščina",
+        "jrb": "Judeo-Arabic",
+        "jpr": "Judeo-Persian",
+        "kbd": "kabardinščina",
+        "kab": "Kabyle",
+        "kac": "Kachin",
+        "kal": "Kalaallisut",
+        "xal": "Kalmyk",
+        "kam": "Kamba (Kenya)",
+        "kan": "kanareščina",
+        "kau": "Kanuri",
+        "kaa": "Kara-Kalpak",
+        "krc": "Karachay-Balkar",
+        "krl": "Karelian",
+        "kas": "kašmirščina",
+        "csb": "Kashubian",
+        "kaw": "kavi",
+        "kaz": "kazaščina",
+        "kha": "Khasi",
+        "kho": "Khotanese",
+        "kik": "kikujščina",
+        "kmb": "Kimbundu",
+        "kin": "Kinyarwanda",
+        "kir": "kirgiščina",
+        "tlh": "Klingon",
+        "kom": "komijščina",
+        "kon": "Kongo",
+        "kok": "Konkani (macrolanguage)",
+        "kor": "korejščina",
+        "kos": "Kosraean",
+        "kpe": "Kpelle",
+        "kua": "Kuanyama",
+        "kum": "kumiščina",
+        "kur": "kurdščina",
+        "kru": "Kurukh",
+        "kut": "kutenajščina",
+        "lad": "ladinščina",
+        "lah": "Lahnda",
+        "lam": "Lamba",
+        "lao": "laoščina",
+        "lat": "latinščina",
+        "lav": "latvijščina",
+        "lez": "lezginščina",
+        "lim": "Limburgan",
+        "lin": "lingala",
+        "lit": "litvanščina",
+        "jbo": "Lojban",
+        "loz": "Lozi",
+        "lub": "Luba-Katanga",
+        "lua": "lubalulujščina",
+        "lui": "Luiseno",
+        "smj": "Lule Sami",
+        "lun": "Lunda",
+        "luo": "Luo (Kenya and Tanzania)",
+        "lus": "Lushai",
+        "ltz": "Luxembourgish",
+        "mkd": "makedonščina",
+        "mad": "madurščina",
+        "mag": "Magahi",
+        "mai": "Maithili",
+        "mak": "makasarščina",
+        "mlg": "malgaščina",
+        "msa": "Malay (macrolanguage)",
+        "mal": "malajalščina",
+        "mlt": "malteščina",
+        "mnc": "Manchu",
+        "mdr": "Mandar",
+        "man": "Mandingo",
+        "mni": "manipurščina",
+        "glv": "manska gelščina",
+        "mri": "maorščina",
+        "arn": "Mapudungun",
+        "mar": "maratščina",
+        "chm": "Mari (Russia)",
+        "mah": "Marshallese",
+        "mwr": "Marwari",
+        "mas": "masajščina",
+        "men": "Mende (Sierra Leone)",
+        "mic": "Mi'kmaq",
+        "min": "Minangkabau",
+        "mwl": "Mirandese",
+        "moh": "mohoščina",
+        "mdf": "Moksha",
+        "lol": "Mongo",
+        "mon": "mongolščina",
+        "mos": "mosanščina",
+        "mul": "Več jezikov",
+        "nqo": "N'Ko",
+        "nau": "Nauru",
+        "nav": "navaščina",
+        "ndo": "Ndonga",
+        "nap": "napolitanščina",
+        "nia": "niaščina",
+        "niu": "niuejščina",
+        "zxx": "No linguistic content",
+        "nog": "Nogai",
+        "nor": "norveščina",
+        "nob": "Norwegian Bokmål",
+        "nno": "norveščina; nynorsk",
+        "nym": "Nyamwezi",
+        "nya": "Nyanja",
+        "nyn": "Nyankole",
+        "nyo": "Nyoro",
+        "nzi": "Nzima",
+        "oci": "Occitan (post 1500)",
+        "oji": "Ojibwa",
+        "orm": "Oromo",
+        "osa": "Osage",
+        "oss": "Ossetian",
+        "pal": "Pahlavi",
+        "pau": "palavanščina",
+        "pli": "Pali",
+        "pam": "Pampanga",
+        "pag": "pangasinanščina",
+        "pan": "Panjabi",
+        "pap": "papiamentu",
+        "fas": "perzijščina",
+        "phn": "feničanščina",
+        "pon": "Pohnpeian",
+        "pol": "poljščina",
+        "por": "portugalđščina",
+        "pus": "paštu",
+        "que": "Quechua",
+        "raj": "radžastanščina",
+        "rap": "rapanujščina",
+        "ron": "romunščina",
+        "roh": "Romansh",
+        "rom": "romščina",
+        "run": "rundščina",
+        "rus": "ruščina",
+        "smo": "samoanščina",
+        "sad": "Sandawe",
+        "sag": "Sango",
+        "san": "sanskrt",
+        "sat": "santalščina",
+        "srd": "sardinščina",
+        "sas": "Sasak",
+        "sco": "škotščina",
+        "sel": "selkupščina",
+        "srp": "srbščina",
+        "srr": "Serer",
+        "shn": "šanščina",
+        "sna": "šonščina",
+        "scn": "sicilijanščina",
+        "sid": "Sidamo",
+        "bla": "Siksika",
+        "snd": "sindščina",
+        "sin": "Sinhala",
+        "den": "Slave (Athapascan)",
+        "slk": "slovaščina",
+        "slv": "slovenščina",
+        "sog": "Sogdian",
+        "som": "Somali",
+        "snk": "Soninke",
+        "spa": "španščina",
+        "srn": "Sranan Tongo",
+        "suk": "Sukuma",
+        "sux": "sumerščina",
+        "sun": "sundščina",
+        "sus": "susuamijščina?",
+        "swa": "Swahili (macrolanguage)",
+        "ssw": "svazijščina?",
+        "swe": "švedščina",
+        "syr": "sirščina",
+        "tgl": "tagaloščina",
+        "tah": "tahitijščina",
+        "tgk": "tadžiščina",
+        "tmh": "Tamashek",
+        "tam": "tamilščina",
+        "tat": "tatarščina",
+        "tel": "Telugu",
+        "ter": "Tereno",
+        "tet": "Tetum",
+        "tha": "tajščina",
+        "bod": "tibetanščina",
+        "tig": "Tigre",
+        "tir": "Tigrinya",
+        "tem": "Timne",
+        "tiv": "Tiv",
+        "tli": "Tlingit",
+        "tpi": "tok pisin",
+        "tkl": "Tokelau",
+        "tog": "Tonga (Nyasa)",
+        "ton": "tonganščina",
+        "tsi": "tsimšijščina",
+        "tso": "Tsonga",
+        "tsn": "Tswana",
+        "tum": "Tumbuka",
+        "tur": "turščina",
+        "tuk": "turkmenščina",
+        "tvl": "tuvalujščina",
+        "tyv": "Tuvinian",
+        "twi": "Twi",
+        "udm": "Udmurt",
+        "uga": "ugaritščina",
+        "uig": "ujgurščina",
+        "ukr": "ukrajinščina",
+        "umb": "Umbundu",
+        "mis": "Uncoded languages",
+        "und": "nedoločen",
+        "urd": "urdujščina",
+        "uzb": "uzbeščina",
+        "vai": "vajščina",
+        "ven": "Venda",
+        "vie": "vietnamščina",
+        "vol": "Volapük",
+        "vot": "votjaščina",
+        "wln": "valonščina",
+        "war": "Waray (Philippines)",
+        "was": "Washo",
+        "cym": "valižanščina",
+        "wal": "Wolaytta",
+        "wol": "Wolof",
+        "xho": "koščina",
+        "sah": "jakutščina",
+        "yao": "jaojščina",
+        "yap": "Yapese",
+        "yid": "jidiš",
+        "yor": "jorubščina",
+        "zap": "Zapotec",
+        "zza": "Zaza",
+        "zen": "Zenaga",
+        "zha": "Zhuang",
+        "zul": "zulujščina",
+        "zun": "Zuni"
+    },
    "sv": {
        "aar": "Afar",
        "abk": "Abchaziska",
@@ -113,26 +113,14 @@ def yesno(value, yes, no):

@jinjia.app_template_filter('formatfloat')
 def formatfloat(value, decimals=1):
-    value = 0 if not value else value
+    if not value or (isinstance(value, str) and not value.is_numeric()):
+        return value
    formated_value = ('{0:.' + str(decimals) + 'f}').format(value)
    if formated_value.endswith('.' + "0" * decimals):
        formated_value = formated_value.rstrip('0').rstrip('.')
    return formated_value


-@jinjia.app_template_filter('formatseriesindex')
-def formatseriesindex_filter(series_index):
-    if series_index:
-        try:
-            if int(series_index) - series_index == 0:
-                return int(series_index)
-            else:
-                return series_index
-        except (ValueError, TypeError):
-            return series_index
-    return 0
-
-
@jinjia.app_template_filter('escapedlink')
 def escapedlink_filter(url, text):
    return "<a href='{}'>{}</a>".format(url, escape(text))
@@ -41,13 +41,12 @@ from werkzeug.datastructures import Headers
 from sqlalchemy import func
 from sqlalchemy.sql.expression import and_, or_
 from sqlalchemy.exc import StatementError
-from sqlalchemy.sql import select
 import requests

 from . import config, logger, kobo_auth, db, calibre_db, helper, shelf as shelf_lib, ub, csrf, kobo_sync_status
 from . import isoLanguages
 from .epub import get_epub_layout
-from .constants import COVER_THUMBNAIL_SMALL, COVER_THUMBNAIL_MEDIUM, COVER_THUMBNAIL_LARGE
+from .constants import COVER_THUMBNAIL_SMALL, COVER_THUMBNAIL_MEDIUM, COVER_THUMBNAIL_LARGE, BASE_DIR
 from .helper import get_download_link
 from .services import SyncToken as SyncToken
 from .web import download_required
@@ -106,24 +105,29 @@ def make_request_to_kobo_store(sync_token=None):
    return store_response


-def redirect_or_proxy_request():
+def redirect_or_proxy_request(auth=False):
    if config.config_kobo_proxy:
-        if request.method == "GET":
-            return redirect(get_store_url_for_current_request(), 307)
-        else:
-            # The Kobo device turns other request types into GET requests on redirects,
-            # so we instead proxy to the Kobo store ourselves.
-            store_response = make_request_to_kobo_store()
+        try:
+            if request.method == "GET":
+                alfa = redirect(get_store_url_for_current_request(), 307)
+                return alfa
+            else:
+                # The Kobo device turns other request types into GET requests on redirects,
+                # so we instead proxy to the Kobo store ourselves.
+                store_response = make_request_to_kobo_store()

-            response_headers = store_response.headers
-            for header_key in CONNECTION_SPECIFIC_HEADERS:
-                response_headers.pop(header_key, default=None)
+                response_headers = store_response.headers
+                for header_key in CONNECTION_SPECIFIC_HEADERS:
+                    response_headers.pop(header_key, default=None)

-            return make_response(
-                store_response.content, store_response.status_code, response_headers.items()
-            )
-    else:
-        return make_response(jsonify({}))
+                return make_response(
+                    store_response.content, store_response.status_code, response_headers.items()
+                )
+        except Exception as e:
+            log.error("Failed to receive or parse response from Kobo's endpoint: {}".format(e))
+            if auth:
+                return make_calibre_web_auth_response()
+    return make_response(jsonify({}))


 def convert_to_kobo_timestamp_string(timestamp):
@@ -323,7 +327,7 @@ def generate_sync_response(sync_token, sync_results, set_cont=False):
    sync_token.to_headers(extra_headers)

    # log.debug("Kobo Sync Content: {}".format(sync_results))
-    # jsonify decodes the unicode string different to what kobo expects
+    # jsonify decodes the Unicode string different to what kobo expects
    response = make_response(json.dumps(sync_results), extra_headers)
    response.headers["Content-Type"] = "application/json; charset=utf-8"
    return response
@@ -423,7 +427,7 @@ def get_series(book):


 def get_seriesindex(book):
-    return book.series_index or 1
+    return book.series_index if isinstance(book.series_index, float) else 1


 def get_language(book):
@@ -486,14 +490,16 @@ def get_metadata(book):

    if get_series(book):
        name = get_series(book)
-        metadata["Series"] = {
-            "Name": get_series(book),
-            "Number": get_seriesindex(book),        # ToDo Check int() ?
-            "NumberFloat": float(get_seriesindex(book)),
-            # Get a deterministic id based on the series name.
-            "Id": str(uuid.uuid3(uuid.NAMESPACE_DNS, name)),
-        }
-
+        try:
+            metadata["Series"] = {
+                "Name": get_series(book),
+                "Number": get_seriesindex(book),        # ToDo Check int() ?
+                "NumberFloat": float(get_seriesindex(book)),
+                # Get a deterministic id based on the series name.
+                "Id": str(uuid.uuid3(uuid.NAMESPACE_DNS, name)),
+            }
+        except Exception as e:
+            print(e)
    return metadata


@@ -725,7 +731,7 @@ def sync_shelves(sync_token, sync_results, only_kobo_shelves=False):
    ub.session_commit()


-# Creates a Kobo "Tag" object from a ub.Shelf object
+# Creates a Kobo "Tag" object from an ub.Shelf object
 def create_kobo_tag(shelf):
    tag = {
        "Created": convert_to_kobo_timestamp_string(shelf.created),
@@ -953,7 +959,8 @@ def HandleBookDeletionRequest(book_uuid):

 # TODO: Implement the following routes
@csrf.exempt
-@kobo.route("/v1/library/<dummy>", methods=["DELETE", "GET"])
+@kobo.route("/v1/library/<dummy>", methods=["DELETE", "GET", "POST"])
+@kobo.route("/v1/library/<dummy>/preview", methods=["POST"])
 def HandleUnimplementedRequest(dummy=None):
    log.debug("Unimplemented Library Request received: %s (request is forwarded to kobo if configured)",
              request.base_url)
@@ -1006,6 +1013,8 @@ def handle_getests():
@kobo.route("/v1/products/dailydeal", methods=["GET", "POST"])
@kobo.route("/v1/products/deals", methods=["GET", "POST"])
@kobo.route("/v1/products", methods=["GET", "POST"])
+@kobo.route("/v1/products/<path:dummy>", methods=["GET", "POST"])
+@kobo.route("/v1/products/<path:dummy>/", methods=["GET", "POST"])
@kobo.route("/v1/affiliate", methods=["GET", "POST"])
@kobo.route("/v1/deals", methods=["GET", "POST"])
 def HandleProductsRequest(dummy=None):
@@ -1034,13 +1043,14 @@ def make_calibre_web_auth_response():


@csrf.exempt
+@kobo.route("/v1/auth/refresh", methods=["POST"])
@kobo.route("/v1/auth/device", methods=["POST"])
@requires_kobo_auth
 def HandleAuthRequest():
    log.debug('Kobo Auth request')
    if config.config_kobo_proxy:
        try:
-            return redirect_or_proxy_request()
+            return redirect_or_proxy_request(auth=True)
        except Exception:
            log.error("Failed to receive or parse response from Kobo's auth endpoint. Falling back to un-proxied mode.")
    return make_calibre_web_auth_response()
@@ -1123,26 +1133,46 @@ def download_book(book_id, book_format):


 def NATIVE_KOBO_RESOURCES():
+    kobo_file = os.path.join(BASE_DIR, "kobo_resources.txt")
+    try:
+        if os.path.isfile(kobo_file):
+            with open(kobo_file, "r") as f:
+                lines = f.read()
+            return json.loads(lines)
+    except Exception as e:
+        log.error(e)
    return {
-        "account_page": "https://secure.kobobooks.com/profile",
+        "account_page": "https://www.kobo.com/account/settings",
        "account_page_rakuten": "https://my.rakuten.co.jp/",
+        "add_device": "https://storeapi.kobo.com/v1/user/add-device",
        "add_entitlement": "https://storeapi.kobo.com/v1/library/{RevisionIds}",
        "affiliaterequest": "https://storeapi.kobo.com/v1/affiliate",
+        "assets": "https://storeapi.kobo.com/v1/assets",
+        "audiobook": "https://storeapi.kobo.com/v1/products/audiobooks/{ProductId}",
+        "audiobook_detail_page": "https://www.kobo.com/{region}/{language}/audiobook/{slug}",
+        "audiobook_landing_page": "https://www.kobo.com/{region}/{language}/audiobooks",
+        "audiobook_preview": "https://storeapi.kobo.com/v1/products/audiobooks/{Id}/preview",
+        "audiobook_purchase_withcredit": "https://storeapi.kobo.com/v1/store/audiobook/{Id}",
        "audiobook_subscription_orange_deal_inclusion_url": "https://authorize.kobo.com/inclusion",
        "authorproduct_recommendations": "https://storeapi.kobo.com/v1/products/books/authors/recommendations",
        "autocomplete": "https://storeapi.kobo.com/v1/products/autocomplete",
-        "blackstone_header": {"key": "x-amz-request-payer", "value": "requester"},
+        "blackstone_header": {
+            "key": "x-amz-request-payer",
+            "value": "requester"
+        },
        "book": "https://storeapi.kobo.com/v1/products/books/{ProductId}",
-        "book_detail_page": "https://store.kobobooks.com/{culture}/ebook/{slug}",
-        "book_detail_page_rakuten": "https://books.rakuten.co.jp/rk/{crossrevisionid}",
-        "book_landing_page": "https://store.kobobooks.com/ebooks",
+        "book_detail_page": "https://www.kobo.com/{region}/{language}/ebook/{slug}",
+        "book_detail_page_rakuten": "http://books.rakuten.co.jp/rk/{crossrevisionid}",
+        "book_landing_page": "https://www.kobo.com/ebooks",
        "book_subscription": "https://storeapi.kobo.com/v1/products/books/subscriptions",
+        "browse_history": "https://storeapi.kobo.com/v1/user/browsehistory",
        "categories": "https://storeapi.kobo.com/v1/categories",
-        "categories_page": "https://store.kobobooks.com/ebooks/categories",
+        "categories_page": "https://www.kobo.com/ebooks/categories",
        "category": "https://storeapi.kobo.com/v1/categories/{CategoryId}",
        "category_featured_lists": "https://storeapi.kobo.com/v1/categories/{CategoryId}/featured",
        "category_products": "https://storeapi.kobo.com/v1/categories/{CategoryId}/products",
        "checkout_borrowed_book": "https://storeapi.kobo.com/v1/library/borrow",
+        "client_authd_referral": "https://authorize.kobo.com/api/AuthenticatedReferral/client/v1/getLink",
        "configuration_data": "https://storeapi.kobo.com/v1/configuration",
        "content_access_book": "https://storeapi.kobo.com/v1/products/books/{ProductId}/access",
        "customer_care_live_chat": "https://v2.zopim.com/widget/livechat.html?key=Y6gwUmnu4OATxN3Tli4Av9bYN319BTdO",
@@ -1153,92 +1183,112 @@ def NATIVE_KOBO_RESOURCES():
        "delete_tag_items": "https://storeapi.kobo.com/v1/library/tags/{TagId}/items/delete",
        "device_auth": "https://storeapi.kobo.com/v1/auth/device",
        "device_refresh": "https://storeapi.kobo.com/v1/auth/refresh",
-        "dictionary_host": "https://kbdownload1-a.akamaihd.net",
+        "dictionary_host": "https://ereaderfiles.kobo.com",
        "discovery_host": "https://discovery.kobobooks.com",
+        "ereaderdevices": "https://storeapi.kobo.com/v2/products/EReaderDeviceFeeds",
        "eula_page": "https://www.kobo.com/termsofuse?style=onestore",
        "exchange_auth": "https://storeapi.kobo.com/v1/auth/exchange",
        "external_book": "https://storeapi.kobo.com/v1/products/books/external/{Ids}",
-        "facebook_sso_page":
-            "https://authorize.kobo.com/signin/provider/Facebook/login?returnUrl=http://store.kobobooks.com/",
+        "facebook_sso_page": "https://authorize.kobo.com/signin/provider/Facebook/login?returnUrl=http://kobo.com/",
        "featured_list": "https://storeapi.kobo.com/v1/products/featured/{FeaturedListId}",
        "featured_lists": "https://storeapi.kobo.com/v1/products/featured",
        "free_books_page": {
            "EN": "https://www.kobo.com/{region}/{language}/p/free-ebooks",
            "FR": "https://www.kobo.com/{region}/{language}/p/livres-gratuits",
            "IT": "https://www.kobo.com/{region}/{language}/p/libri-gratuiti",
-            "NL": "https://www.kobo.com/{region}/{language}/"
-                  "List/bekijk-het-overzicht-van-gratis-ebooks/QpkkVWnUw8sxmgjSlCbJRg",
-            "PT": "https://www.kobo.com/{region}/{language}/p/livros-gratis",
+            "NL": "https://www.kobo.com/{region}/{language}/List/bekijk-het-overzicht-van-gratis-ebooks/QpkkVWnUw8sxmgjSlCbJRg",
+            "PT": "https://www.kobo.com/{region}/{language}/p/livros-gratis"
        },
        "fte_feedback": "https://storeapi.kobo.com/v1/products/ftefeedback",
+        "funnel_metrics": "https://storeapi.kobo.com/v1/funnelmetrics",
+        "get_download_keys": "https://storeapi.kobo.com/v1/library/downloadkeys",
+        "get_download_link": "https://storeapi.kobo.com/v1/library/downloadlink",
        "get_tests_request": "https://storeapi.kobo.com/v1/analytics/gettests",
        "giftcard_epd_redeem_url": "https://www.kobo.com/{storefront}/{language}/redeem-ereader",
        "giftcard_redeem_url": "https://www.kobo.com/{storefront}/{language}/redeem",
-        "help_page": "https://www.kobo.com/help",
-        "kobo_audiobooks_enabled": "False",
+        "gpb_flow_enabled": "False",
+        "help_page": "http://www.kobo.com/help",
+        "image_host": "//cdn.kobo.com/book-images/",
+        "image_url_quality_template": "https://cdn.kobo.com/book-images/{ImageId}/{Width}/{Height}/{Quality}/{IsGreyscale}/image.jpg",
+        "image_url_template": "https://cdn.kobo.com/book-images/{ImageId}/{Width}/{Height}/false/image.jpg",
+        "instapaper_enabled": "True",
+        "instapaper_env_url": "https://www.instapaper.com/api/kobo",
+        "instapaper_link_account_start": "https://authorize.kobo.com/{region}/{language}/linkinstapaper",
+        "kobo_audiobooks_credit_redemption": "False",
+        "kobo_audiobooks_enabled": "True",
        "kobo_audiobooks_orange_deal_enabled": "False",
        "kobo_audiobooks_subscriptions_enabled": "False",
-        "kobo_nativeborrow_enabled": "True",
+        "kobo_display_price": "True",
+        "kobo_dropbox_link_account_enabled": "False",
+        "kobo_google_tax": "False",
+        "kobo_googledrive_link_account_enabled": "False",
+        "kobo_nativeborrow_enabled": "False",
+        "kobo_onedrive_link_account_enabled": "False",
        "kobo_onestorelibrary_enabled": "False",
+        "kobo_privacyCentre_url": "https://www.kobo.com/privacy",
        "kobo_redeem_enabled": "True",
        "kobo_shelfie_enabled": "False",
-        "kobo_subscriptions_enabled": "False",
-        "kobo_superpoints_enabled": "False",
+        "kobo_subscriptions_enabled": "True",
+        "kobo_superpoints_enabled": "True",
        "kobo_wishlist_enabled": "True",
        "library_book": "https://storeapi.kobo.com/v1/user/library/books/{LibraryItemId}",
        "library_items": "https://storeapi.kobo.com/v1/user/library",
        "library_metadata": "https://storeapi.kobo.com/v1/library/{Ids}/metadata",
        "library_prices": "https://storeapi.kobo.com/v1/user/library/previews/prices",
-        "library_stack": "https://storeapi.kobo.com/v1/user/library/stacks/{LibraryItemId}",
+        "library_search": "https://storeapi.kobo.com/v1/library/search",
        "library_sync": "https://storeapi.kobo.com/v1/library/sync",
-        "love_dashboard_page": "https://store.kobobooks.com/{culture}/kobosuperpoints",
-        "love_points_redemption_page":
-            "https://store.kobobooks.com/{culture}/KoboSuperPointsRedemption?productId={ProductId}",
-        "magazine_landing_page": "https://store.kobobooks.com/emagazines",
+        "love_dashboard_page": "https://www.kobo.com/{region}/{language}/kobosuperpoints",
+        "love_points_redemption_page": "https://www.kobo.com/{region}/{language}/KoboSuperPointsRedemption?productId={ProductId}",
+        "magazine_landing_page": "https://www.kobo.com/emagazines",
+        "more_sign_in_options": "https://authorize.kobo.com/signin?returnUrl=http://kobo.com/#allProviders",
+        "notebooks": "https://storeapi.kobo.com/api/internal/notebooks",
        "notifications_registration_issue": "https://storeapi.kobo.com/v1/notifications/registration",
        "oauth_host": "https://oauth.kobo.com",
-        "overdrive_account": "https://auth.overdrive.com/account",
-        "overdrive_library": "https://{libraryKey}.auth.overdrive.com/library",
-        "overdrive_library_finder_host": "https://libraryfinder.api.overdrive.com",
-        "overdrive_thunder_host": "https://thunder.api.overdrive.com",
-        "password_retrieval_page": "https://www.kobobooks.com/passwordretrieval.html",
+        "password_retrieval_page": "https://www.kobo.com/passwordretrieval.html",
+        "personalizedrecommendations": "https://storeapi.kobo.com/v2/users/personalizedrecommendations",
+        "pocket_link_account_start": "https://authorize.kobo.com/{region}/{language}/linkpocket",
        "post_analytics_event": "https://storeapi.kobo.com/v1/analytics/event",
+        "ppx_purchasing_url": "https://purchasing.kobo.com",
        "privacy_page": "https://www.kobo.com/privacypolicy?style=onestore",
        "product_nextread": "https://storeapi.kobo.com/v1/products/{ProductIds}/nextread",
        "product_prices": "https://storeapi.kobo.com/v1/products/{ProductIds}/prices",
        "product_recommendations": "https://storeapi.kobo.com/v1/products/{ProductId}/recommendations",
        "product_reviews": "https://storeapi.kobo.com/v1/products/{ProductIds}/reviews",
        "products": "https://storeapi.kobo.com/v1/products",
-        "provider_external_sign_in_page":
-            "https://authorize.kobo.com/ExternalSignIn/{providerName}?returnUrl=http://store.kobobooks.com/",
-        "purchase_buy": "https://www.kobo.com/checkout/createpurchase/",
-        "purchase_buy_templated": "https://www.kobo.com/{culture}/checkout/createpurchase/{ProductId}",
+        "productsv2": "https://storeapi.kobo.com/v2/products",
+        "provider_external_sign_in_page": "https://authorize.kobo.com/ExternalSignIn/{providerName}?returnUrl=http://kobo.com/",
        "quickbuy_checkout": "https://storeapi.kobo.com/v1/store/quickbuy/{PurchaseId}/checkout",
        "quickbuy_create": "https://storeapi.kobo.com/v1/store/quickbuy/purchase",
+        "rakuten_token_exchange": "https://storeapi.kobo.com/v1/auth/rakuten_token_exchange",
        "rating": "https://storeapi.kobo.com/v1/products/{ProductId}/rating/{Rating}",
+        "reading_services_host": "https://readingservices.kobo.com",
        "reading_state": "https://storeapi.kobo.com/v1/library/{Ids}/state",
-        "redeem_interstitial_page": "https://store.kobobooks.com",
-        "registration_page": "https://authorize.kobo.com/signup?returnUrl=http://store.kobobooks.com/",
+        "redeem_interstitial_page": "https://www.kobo.com",
+        "registration_page": "https://authorize.kobo.com/signup?returnUrl=http://kobo.com/",
        "related_items": "https://storeapi.kobo.com/v1/products/{Id}/related",
        "remaining_book_series": "https://storeapi.kobo.com/v1/products/books/series/{SeriesId}",
        "rename_tag": "https://storeapi.kobo.com/v1/library/tags/{TagId}",
        "review": "https://storeapi.kobo.com/v1/products/reviews/{ReviewId}",
        "review_sentiment": "https://storeapi.kobo.com/v1/products/reviews/{ReviewId}/sentiment/{Sentiment}",
        "shelfie_recommendations": "https://storeapi.kobo.com/v1/user/recommendations/shelfie",
-        "sign_in_page": "https://authorize.kobo.com/signin?returnUrl=http://store.kobobooks.com/",
+        "sign_in_page": "https://authorize.kobo.com/signin?returnUrl=http://kobo.com/",
        "social_authorization_host": "https://social.kobobooks.com:8443",
        "social_host": "https://social.kobobooks.com",
-        "stacks_host_productId": "https://store.kobobooks.com/collections/byproductid/",
        "store_home": "www.kobo.com/{region}/{language}",
-        "store_host": "store.kobobooks.com",
-        "store_newreleases": "https://store.kobobooks.com/{culture}/List/new-releases/961XUjtsU0qxkFItWOutGA",
-        "store_search": "https://store.kobobooks.com/{culture}/Search?Query={query}",
-        "store_top50": "https://store.kobobooks.com/{culture}/ebooks/Top",
+        "store_host": "www.kobo.com",
+        "store_newreleases": "https://www.kobo.com/{region}/{language}/List/new-releases/961XUjtsU0qxkFItWOutGA",
+        "store_search": "https://www.kobo.com/{region}/{language}/Search?Query={query}",
+        "store_top50": "https://www.kobo.com/{region}/{language}/ebooks/Top",
+        "subs_landing_page": "https://www.kobo.com/{region}/{language}/plus",
+        "subs_management_page": "https://www.kobo.com/{region}/{language}/account/subscriptions",
+        "subs_plans_page": "https://www.kobo.com/{region}/{language}/plus/plans",
+        "subs_purchase_buy_templated": "https://www.kobo.com/{region}/{language}/Checkoutoption/{ProductId}/{TierId}",
        "tag_items": "https://storeapi.kobo.com/v1/library/tags/{TagId}/Items",
        "tags": "https://storeapi.kobo.com/v1/library/tags",
        "taste_profile": "https://storeapi.kobo.com/v1/products/tasteprofile",
+        "terms_of_sale_page": "https://authorize.kobo.com/{region}/{language}/terms/termsofsale",
        "update_accessibility_to_preview": "https://storeapi.kobo.com/v1/library/{EntitlementIds}/preview",
-        "use_one_store": "False",
+        "use_one_store": "True",
        "user_loyalty_benefits": "https://storeapi.kobo.com/v1/user/loyalty/benefits",
        "user_platform": "https://storeapi.kobo.com/v1/user/platform",
        "user_profile": "https://storeapi.kobo.com/v1/user/profile",
@@ -1246,6 +1296,6 @@ def NATIVE_KOBO_RESOURCES():
        "user_recommendations": "https://storeapi.kobo.com/v1/user/recommendations",
        "user_reviews": "https://storeapi.kobo.com/v1/user/reviews",
        "user_wishlist": "https://storeapi.kobo.com/v1/user/wishlist",
-        "userguide_host": "https://kbdownload1-a.akamaihd.net",
-        "wishlist_page": "https://store.kobobooks.com/{region}/{language}/account/wishlist",
+        "userguide_host": "https://ereaderfiles.kobo.com",
+        "wishlist_page": "https://www.kobo.com/{region}/{language}/account/wishlist"
    }
@@ -22,7 +22,7 @@
 This module also includes research notes into the auth protocol used by Kobo devices.

 Log-in:
-When first booting a Kobo device the user must sign into a Kobo (or affiliate) account.
+When first booting a Kobo device the user must log in to a Kobo (or affiliate) account.
 Upon successful sign-in, the user is redirected to
    https://auth.kobobooks.com/CrossDomainSignIn?id=<some id>
 which serves the following response:
@@ -41,7 +41,7 @@ issue for a few years now https://www.mobileread.com/forums/showpost.php?p=34768
 will still grant access given the userkey.)

 Official Kobo Store Api authorization:
-* For most of the endpoints we care about (sync, metadata, tags, etc), the userKey is
+* For most of the endpoints we care about (sync, metadata, tags, etc.), the userKey is
 passed in the x-kobo-userkey header, and is sufficient to authorize the API call.
 * Some endpoints (e.g: AnnotationService) instead make use of Bearer tokens pass through
 an authorization header. To get a BearerToken, the device makes a POST request to the
@@ -51,13 +51,15 @@ def remove_synced_book(book_id, all=False, session=None):
        ub.session_commit(_session=session)


+# If state == none, it will toggle the archive state of the passed book_id. 
+# state = true archives it, state = false unarchives it
 def change_archived_books(book_id, state=None, message=None):
    archived_book = ub.session.query(ub.ArchivedBook).filter(and_(ub.ArchivedBook.user_id == int(current_user.id),
                                                                  ub.ArchivedBook.book_id == book_id)).first()
-    if not archived_book:
+    if not archived_book: # and (state == True or state == None):
        archived_book = ub.ArchivedBook(user_id=current_user.id, book_id=book_id)

-    archived_book.is_archived = state if state else not archived_book.is_archived
+    archived_book.is_archived = state if state != None else not archived_book.is_archived
    archived_book.last_modified = datetime.now(timezone.utc)        # toDo. Check utc timestamp

    ub.session.merge(archived_book)
@@ -29,7 +29,7 @@ from .constants import CONFIG_DIR as _CONFIG_DIR
 ACCESS_FORMATTER_GEVENT  = Formatter("%(message)s")
 ACCESS_FORMATTER_TORNADO = Formatter("[%(asctime)s] %(message)s")

-FORMATTER           = Formatter("[%(asctime)s] %(levelname)5s {%(name)s:%(lineno)d} %(message)s")
+FORMATTER           = Formatter("[%(asctime)s] %(levelname)5s {%(filename)s:%(lineno)d} %(message)s")
 DEFAULT_LOG_LEVEL   = logging.INFO
 DEFAULT_LOG_FILE    = os.path.join(_CONFIG_DIR, "calibre-web.log")
 DEFAULT_ACCESS_LOG  = os.path.join(_CONFIG_DIR, "access.log")
@@ -42,18 +42,12 @@ logging.addLevelName(logging.CRITICAL, "CRIT")

 class _Logger(logging.Logger):

-    def error_or_exception(self, message, stacklevel=2, *args, **kwargs):
+    def error_or_exception(self, message, stacklevel=1, *args, **kwargs):
        is_debug = self.getEffectiveLevel() <= logging.DEBUG
-        if sys.version_info > (3, 7):
-            if is_debug:
-                self.exception(message, stacklevel=stacklevel, *args, **kwargs)
-            else:
-                self.error(message, stacklevel=stacklevel, *args, **kwargs)
+        if not is_debug:
+            self.exception(message, stacklevel=stacklevel, *args, **kwargs)
        else:
-            if is_debug:
-                self.exception(message, stack_info=True, *args, **kwargs)
-            else:
-                self.error(message, *args, **kwargs)
+            self.error(message, stacklevel=stacklevel, *args, **kwargs)

    def debug_no_auth(self, message, *args, **kwargs):
        message = message.strip("\r\n")
@@ -38,14 +38,16 @@ class Amazon(Metadata):
    __name__ = "Amazon"
    __id__ = "amazon"
    headers = {'upgrade-insecure-requests': '1',
-               'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.71 Safari/537.36',
-               'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
-               'sec-gpc': '1',
-               'sec-fetch-site': 'none',
-               'sec-fetch-mode': 'navigate',
-               'sec-fetch-user': '?1',
-               'sec-fetch-dest': 'document',
-               'accept-encoding': 'gzip, deflate, br',
+               'user-agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0',
+               'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/png,image/svg+xml,*/*;q=0.8',
+               'Sec-Fetch-Site': 'same-origin',
+               'Sec-Fetch-Mode': 'navigate',
+               'Sec-Fetch-User': '?1',
+               'Sec-Fetch-Dest': 'document',
+               'Upgrade-Insecure-Requests': '1',
+               'Alt-Used' : 'www.amazon.com',
+               'Priority' : 'u=0, i',
+               'accept-encoding': 'gzip, deflate, br, zstd',
               'accept-language': 'en-US,en;q=0.9'}
    session = requests.Session()
    session.headers=headers
@@ -62,7 +64,7 @@ class Amazon(Metadata):
                    log.warning(ex)
                    return []
                long_soup = BS(r.text, "lxml")  #~4sec :/
-                soup2 = long_soup.find("div", attrs={"cel_widget_id": "dpx-books-ppd_csm_instrumentation_wrapper"})
+                soup2 = long_soup.find("div", attrs={"cel_widget_id": "dpx-ppd_csm_instrumentation_wrapper"})
                if soup2 is None:
                    return []
                try:
@@ -106,7 +108,7 @@ class Amazon(Metadata):
                    except (AttributeError, ValueError):
                        match.rating = 0
                    try:
-                        match.cover = soup2.find("img", attrs={"class": "a-dynamic-image frontImage"})["src"]
+                        match.cover = soup2.find("img", attrs={"class": "a-dynamic-image"})["src"]
                    except (AttributeError, TypeError):
                        match.cover = ""
                    return match, index
@@ -132,7 +134,7 @@ class Amazon(Metadata):
            links_list = [next(filter(lambda i: "digital-text" in i["href"], x.findAll("a")))["href"] for x in
                          soup.findAll("div", attrs={"data-component-type": "s-search-result"})]
            with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
-                fut = {executor.submit(inner, link, index) for index, link in enumerate(links_list[:5])}
+                fut = {executor.submit(inner, link, index) for index, link in enumerate(links_list[:3])}
                val = list(map(lambda x : x.result(), concurrent.futures.as_completed(fut)))
        result = list(filter(lambda x: x, val))
        return [x[0] for x in sorted(result, key=itemgetter(1))] #sort by amazons listing order for best relevance
@@ -23,7 +23,7 @@ from datetime import datetime

 import requests

-from cps import logger
+from cps import logger, config
 from cps.isoLanguages import get_lang3, get_language_name
 from cps.services.Metadata import MetaRecord, MetaSourceInfo, Metadata

@@ -31,13 +31,14 @@ log = logger.create()


 class Google(Metadata):
-    __name__ = "Google"
+    __name__ = "Google Books"
    __id__ = "google"
    DESCRIPTION = "Google Books"
    META_URL = "https://books.google.com/"
    BOOK_URL = "https://books.google.com/books?id="
    SEARCH_URL = "https://www.googleapis.com/books/v1/volumes?q="
    ISBN_TYPE = "ISBN_13"
+    API_KEY = "&key=" + config.config_googlebooks_api_key 

    def search(
        self, query: str, generic_cover: str = "", locale: str = "en"
@@ -50,7 +51,7 @@ class Google(Metadata):
                tokens = [quote(t.encode("utf-8")) for t in title_tokens]
                query = "+".join(tokens)
            try:
-                results = requests.get(Google.SEARCH_URL + query)
+                results = requests.get(Google.SEARCH_URL + query + Google.API_KEY)
                results.raise_for_status()
            except Exception as e:
                log.warning(e)
@@ -32,7 +32,7 @@ class OAuthBackend(SQLAlchemyBackend):
    Stores and retrieves OAuth tokens using a relational database through
    the `SQLAlchemy`_ ORM.

-    .. _SQLAlchemy: https://www.sqlalchemy.org/
+    _SQLAlchemy: https://www.sqlalchemy.org/
    """
    def __init__(self, model, session, provider_id,
                 user=None, user_id=None, user_required=None, anon_user=None,
@@ -21,10 +21,9 @@
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.

 import datetime
-import json
 from urllib.parse import unquote_plus

-from flask import Blueprint, request, render_template, make_response, abort, Response, g
+from flask import Blueprint, request, render_template, make_response, abort, g, jsonify
 from flask_babel import get_locale
 from flask_babel import gettext as _

@@ -88,8 +87,8 @@ def feed_letter_books(book_id):
                                                        letter,
                                                        [db.Books.sort],
                                                        True, config.config_read_column)
-
-    return render_xml_template('feed.xml', entries=entries, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=entries, pagination=pagination, cc=cc)


@opds.route("/opds/new")
@@ -101,7 +100,8 @@ def feed_new():
    entries, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1), 0,
                                                        db.Books, True, [db.Books.timestamp.desc()],
                                                        True, config.config_read_column)
-    return render_xml_template('feed.xml', entries=entries, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=entries, pagination=pagination, cc=cc)


@opds.route("/opds/discover")
@@ -112,7 +112,8 @@ def feed_discover():
    query = calibre_db.generate_linked_query(config.config_read_column, db.Books)
    entries = query.filter(calibre_db.common_filters()).order_by(func.random()).limit(config.config_books_per_page)
    pagination = Pagination(1, config.config_books_per_page, int(config.config_books_per_page))
-    return render_xml_template('feed.xml', entries=entries, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=entries, pagination=pagination, cc=cc)


@opds.route("/opds/rated")
@@ -125,7 +126,8 @@ def feed_best_rated():
                                                        db.Books, db.Books.ratings.any(db.Ratings.rating > 9),
                                                        [db.Books.timestamp.desc()],
                                                        True, config.config_read_column)
-    return render_xml_template('feed.xml', entries=entries, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=entries, pagination=pagination, cc=cc)


@opds.route("/opds/hot")
@@ -149,7 +151,8 @@ def feed_hot():
    num_books = entries.__len__()
    pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1),
                            config.config_books_per_page, num_books)
-    return render_xml_template('feed.xml', entries=entries, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=entries, pagination=pagination, cc=cc)


@opds.route("/opds/author")
@@ -174,7 +177,8 @@ def feed_letter_author(book_id):
    pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
                            entries.count())
    entries = entries.limit(config.config_books_per_page).offset(off).all()
-    return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_author', pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_author', pagination=pagination, cc=cc)


@opds.route("/opds/author/<int:book_id>")
@@ -197,7 +201,8 @@ def feed_publisherindex():
        .limit(config.config_books_per_page).offset(off)
    pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
                            len(calibre_db.session.query(db.Publishers).all()))
-    return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_publisher', pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_publisher', pagination=pagination, cc=cc)


@opds.route("/opds/publisher/<int:book_id>")
@@ -230,7 +235,8 @@ def feed_letter_category(book_id):
    pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
                            entries.count())
    entries = entries.offset(off).limit(config.config_books_per_page).all()
-    return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_category', pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_category', pagination=pagination, cc=cc)


@opds.route("/opds/category/<int:book_id>")
@@ -263,7 +269,8 @@ def feed_letter_series(book_id):
    pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
                            entries.count())
    entries = entries.offset(off).limit(config.config_books_per_page).all()
-    return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_series', pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', listelements=entries, folder='opds.feed_series', pagination=pagination, cc=cc)


@opds.route("/opds/series/<int:book_id>")
@@ -275,7 +282,8 @@ def feed_series(book_id):
                                                        db.Books.series.any(db.Series.id == book_id),
                                                        [db.Books.series_index],
                                                        True, config.config_read_column)
-    return render_xml_template('feed.xml', entries=entries, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=entries, pagination=pagination, cc=cc)


@opds.route("/opds/ratings")
@@ -297,7 +305,8 @@ def feed_ratingindex():
    element = list()
    for entry in entries:
        element.append(FeedObject(entry[0].id, _("{} Stars").format(entry.name)))
-    return render_xml_template('feed.xml', listelements=element, folder='opds.feed_ratings', pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', listelements=element, folder='opds.feed_ratings', pagination=pagination, cc=cc)


@opds.route("/opds/ratings/<book_id>")
@@ -321,7 +330,8 @@ def feed_formatindex():
    element = list()
    for entry in entries:
        element.append(FeedObject(entry.format, entry.format))
-    return render_xml_template('feed.xml', listelements=element, folder='opds.feed_format', pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', listelements=element, folder='opds.feed_format', pagination=pagination, cc=cc)


@opds.route("/opds/formats/<book_id>")
@@ -333,7 +343,8 @@ def feed_format(book_id):
                                                        db.Books.data.any(db.Data.format == book_id.upper()),
                                                        [db.Books.timestamp.desc()],
                                                        True, config.config_read_column)
-    return render_xml_template('feed.xml', entries=entries, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=entries, pagination=pagination, cc=cc)


@opds.route("/opds/language")
@@ -351,7 +362,8 @@ def feed_languagesindex():
        languages[0].name = isoLanguages.get_language_name(get_locale(), languages[0].lang_code)
    pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
                            len(languages))
-    return render_xml_template('feed.xml', listelements=languages, folder='opds.feed_languages', pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', listelements=languages, folder='opds.feed_languages', pagination=pagination, cc=cc)


@opds.route("/opds/language/<int:book_id>")
@@ -363,7 +375,8 @@ def feed_languages(book_id):
                                                        db.Books.languages.any(db.Languages.id == book_id),
                                                        [db.Books.timestamp.desc()],
                                                        True, config.config_read_column)
-    return render_xml_template('feed.xml', entries=entries, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=entries, pagination=pagination, cc=cc)


@opds.route("/opds/shelfindex")
@@ -377,7 +390,8 @@ def feed_shelfindex():
    number = len(shelf)
    pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
                            number)
-    return render_xml_template('feed.xml', listelements=shelf, folder='opds.feed_shelf', pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', listelements=shelf, folder='opds.feed_shelf', pagination=pagination, cc=cc)


@opds.route("/opds/shelf/<int:book_id>")
@@ -417,18 +431,16 @@ def feed_shelf(book_id):
            except (OperationalError, InvalidRequestError) as e:
                ub.session.rollback()
                log.error_or_exception("Settings Database error: {}".format(e))
-    return render_xml_template('feed.xml', entries=result, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=result, pagination=pagination, cc=cc)


@opds.route("/opds/download/<book_id>/<book_format>/")
@requires_basic_auth_if_no_ano
 def opds_download_link(book_id, book_format):
    if not auth.current_user().role_download():
-        return abort(403)
-    if "Kobo" in request.headers.get('User-Agent'):
-        client = "kobo"
-    else:
-        client = ""
+        return abort(401)
+    client = "kobo" if "Kobo" in request.headers.get('User-Agent') else ""
    return get_download_link(book_id, book_format.lower(), client)


@@ -454,7 +466,7 @@ def get_database_stats():
    stat['authors'] = calibre_db.session.query(db.Authors).count()
    stat['categories'] = calibre_db.session.query(db.Tags).count()
    stat['series'] = calibre_db.session.query(db.Series).count()
-    return Response(json.dumps(stat), mimetype="application/json")
+    return make_response(jsonify(stat))


@opds.route("/opds/thumb_240_240/<book_id>")
@@ -473,7 +485,8 @@ def feed_read_books():
        return abort(403)
    off = request.args.get("offset") or 0
    result, pagination = render_read_books(int(off) / (int(config.config_books_per_page)) + 1, True, True)
-    return render_xml_template('feed.xml', entries=result, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=result, pagination=pagination, cc=cc)


@opds.route("/opds/unreadbooks")
@@ -483,7 +496,8 @@ def feed_unread_books():
        return abort(403)
    off = request.args.get("offset") or 0
    result, pagination = render_read_books(int(off) / (int(config.config_books_per_page)) + 1, False, True)
-    return render_xml_template('feed.xml', entries=result, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=result, pagination=pagination, cc=cc)


 class FeedObject:
@@ -505,7 +519,8 @@ def feed_search(term):
        entries, __, ___ = calibre_db.get_search_results(term, config=config)
        entries_count = len(entries) if len(entries) > 0 else 1
        pagination = Pagination(1, entries_count, entries_count)
-        return render_xml_template('feed.xml', searchterm=term, entries=entries, pagination=pagination)
+        cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+        return render_xml_template('feed.xml', searchterm=term, entries=entries, pagination=pagination, cc=cc)
    else:
        return render_xml_template('feed.xml', searchterm="")

@@ -527,7 +542,8 @@ def render_xml_dataset(data_table, book_id):
                                                        getattr(db.Books, data_table.__tablename__).any(data_table.id == book_id),
                                                        [db.Books.timestamp.desc()],
                                                        True, config.config_read_column)
-    return render_xml_template('feed.xml', entries=entries, pagination=pagination)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
+    return render_xml_template('feed.xml', entries=entries, pagination=pagination, cc=cc)


 def render_element_index(database_column, linked_table, folder):
@@ -548,7 +564,9 @@ def render_element_index(database_column, linked_table, folder):
        elements.append({'id': entry.id, 'name': entry.id})
    pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
                            len(entries) + 1)
+    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
    return render_xml_template('feed.xml',
                               letterelements=elements,
                               folder=folder,
-                               pagination=pagination)
+                               pagination=pagination,
+                               cc=cc)
@@ -29,7 +29,7 @@

 from urllib.parse import urlparse, urljoin

-from flask import request, url_for, redirect, current_app
+from flask import request, url_for, current_app


 def is_safe_url(target):
@@ -47,7 +47,7 @@ def get_sidebar_config(kwargs=None):
    if current_user.role_admin():
        sidebar.append({"glyph": "glyphicon-download", "text": _('Downloaded Books'), "link": 'web.download_list',
                        "id": "download", "visibility": constants.SIDEBAR_DOWNLOAD, 'public': (not current_user.is_anonymous),
-                        "page": "download", "show_text": _('Show Downloaded Books'),
+                        "page": "download", "show_text": _('Show Downloaded Books'), "no_param":True,
                        "config_show": content})
    else:
        sidebar.append({"glyph": "glyphicon-download", "text": _('Downloaded Books'), "link": 'web.books_list',
@@ -69,37 +69,37 @@ def get_sidebar_config(kwargs=None):
                    "visibility": constants.SIDEBAR_RANDOM, 'public': True, "page": "discover",
                    "show_text": _('Show Random Books'), "config_show": True})
    sidebar.append({"glyph": "glyphicon-inbox", "text": _('Categories'), "link": 'web.category_list', "id": "cat",
-                    "visibility": constants.SIDEBAR_CATEGORY, 'public': True, "page": "category",
+                    "visibility": constants.SIDEBAR_CATEGORY, 'public': True, "page": "category", "no_param":True,
                    "show_text": _('Show Category Section'), "config_show": True})
    sidebar.append({"glyph": "glyphicon-bookmark", "text": _('Series'), "link": 'web.series_list', "id": "serie",
-                    "visibility": constants.SIDEBAR_SERIES, 'public': True, "page": "series",
+                    "visibility": constants.SIDEBAR_SERIES, 'public': True, "page": "series", "no_param":True,
                    "show_text": _('Show Series Section'), "config_show": True})
    sidebar.append({"glyph": "glyphicon-user", "text": _('Authors'), "link": 'web.author_list', "id": "author",
-                    "visibility": constants.SIDEBAR_AUTHOR, 'public': True, "page": "author",
+                    "visibility": constants.SIDEBAR_AUTHOR, 'public': True, "page": "author", "no_param":True,
                    "show_text": _('Show Author Section'), "config_show": True})
    sidebar.append(
        {"glyph": "glyphicon-text-size", "text": _('Publishers'), "link": 'web.publisher_list', "id": "publisher",
-         "visibility": constants.SIDEBAR_PUBLISHER, 'public': True, "page": "publisher",
+         "visibility": constants.SIDEBAR_PUBLISHER, 'public': True, "page": "publisher", "no_param":True,
         "show_text": _('Show Publisher Section'), "config_show":True})
    sidebar.append({"glyph": "glyphicon-flag", "text": _('Languages'), "link": 'web.language_overview', "id": "lang",
                    "visibility": constants.SIDEBAR_LANGUAGE, 'public': (current_user.filter_language() == 'all'),
-                    "page": "language",
+                    "page": "language", "no_param":True,
                    "show_text": _('Show Language Section'), "config_show": True})
    sidebar.append({"glyph": "glyphicon-star-empty", "text": _('Ratings'), "link": 'web.ratings_list', "id": "rate",
-                    "visibility": constants.SIDEBAR_RATING, 'public': True,
+                    "visibility": constants.SIDEBAR_RATING, 'public': True, "no_param":True,
                    "page": "rating", "show_text": _('Show Ratings Section'), "config_show": True})
    sidebar.append({"glyph": "glyphicon-file", "text": _('File formats'), "link": 'web.formats_list', "id": "format",
-                    "visibility": constants.SIDEBAR_FORMAT, 'public': True,
+                    "visibility": constants.SIDEBAR_FORMAT, 'public': True, "no_param":True,
                    "page": "format", "show_text": _('Show File Formats Section'), "config_show": True})
    sidebar.append(
-        {"glyph": "glyphicon-trash", "text": _('Archived Books'), "link": 'web.books_list', "id": "archived",
+        {"glyph": "glyphicon-folder-open", "text": _('Archived Books'), "link": 'web.books_list', "id": "archived",
         "visibility": constants.SIDEBAR_ARCHIVED, 'public': (not current_user.is_anonymous), "page": "archived",
         "show_text": _('Show Archived Books'), "config_show": content})
    if not simple:
        sidebar.append(
            {"glyph": "glyphicon-th-list", "text": _('Books List'), "link": 'web.books_table', "id": "list",
-             "visibility": constants.SIDEBAR_LIST, 'public': (not current_user.is_anonymous), "page": "list",
-             "show_text": _('Show Books List'), "config_show": content})
+             "visibility": constants.SIDEBAR_LIST, 'public': (not current_user.is_anonymous),
+             "show_text": _('Show Books List'), "config_show": content, "no_param":True})
    g.shelves_access = ub.session.query(ub.Shelf).filter(
        or_(ub.Shelf.is_public == 1, ub.Shelf.user_id == current_user.id)).order_by(ub.Shelf.name).all()

@@ -41,9 +41,9 @@ class ReverseProxied(object):
    """Wrap the application in this middleware and configure the
    front-end server to add these headers, to let you quietly bind
    this to a URL other than / and to an HTTP scheme that is
-    different than what is used locally.
+    different from what is used locally.

-    Code courtesy of: http://flask.pocoo.org/snippets/35/
+    Code courtesy of: https://flask.pocoo.org/snippets/35/

    In nginx:
    location /myprefix {
@@ -61,11 +61,13 @@ class ReverseProxied(object):

    def __call__(self, environ, start_response):
        self.proxied = False
+        self.script_name = "/"
        script_name = environ.get('HTTP_X_SCRIPT_NAME', '')
        if script_name:
            self.proxied = True
            environ['SCRIPT_NAME'] = script_name
            path_info = environ.get('PATH_INFO', '')
+            self.script_name = script_name
            if path_info and path_info.startswith(script_name):
                environ['PATH_INFO'] = path_info[len(script_name):]

@@ -177,11 +177,24 @@ def adv_search_serie(q, include_series_inputs, exclude_series_inputs):
        q = q.filter(not_(db.Books.series.any(db.Series.id == serie)))
    return q

+
 def adv_search_shelf(q, include_shelf_inputs, exclude_shelf_inputs):
-    q = q.outerjoin(ub.BookShelf, db.Books.id == ub.BookShelf.book_id)\
-        .filter(or_(ub.BookShelf.shelf == None, ub.BookShelf.shelf.notin_(exclude_shelf_inputs)))
-    if len(include_shelf_inputs) > 0:
-        q = q.filter(ub.BookShelf.shelf.in_(include_shelf_inputs))
+    if len(include_shelf_inputs):
+        in_shelf = (
+            calibre_db.session.query(ub.BookShelf.id)
+            .filter(ub.BookShelf.book_id == db.Books.id)
+            .filter(ub.BookShelf.shelf.in_(include_shelf_inputs))
+            .exists()
+        )
+        q = q.filter(in_shelf)
+    if len(exclude_shelf_inputs):
+        ex_shelf = (
+            calibre_db.session.query(ub.BookShelf.id)
+            .filter(ub.BookShelf.book_id == db.Books.id)
+            .filter(ub.BookShelf.shelf.in_(exclude_shelf_inputs))
+            .exists()
+        )
+        q = q.filter(~ex_shelf)
    return q

 def extend_search_term(searchterm,
@@ -265,7 +278,7 @@ def render_adv_search_results(term, offset=None, order=None, limit=None):
    pub_end = term.get("publishend")
    rating_low = term.get("ratinghigh")
    rating_high = term.get("ratinglow")
-    description = term.get("comment")
+    description = term.get("comments")
    read_status = term.get("read_status")
    if author_name:
        author_name = strip_whitespaces(author_name).lower().replace(',', '|')
@@ -341,10 +354,12 @@ def render_adv_search_results(term, offset=None, order=None, limit=None):
        q = adv_search_ratings(q, rating_high, rating_low)

        if description:
+            pass
            q = q.filter(db.Books.comments.any(func.lower(db.Comments.text).ilike("%" + description + "%")))

        # search custom columns
        try:
+            pass
            q = adv_search_custom_columns(cc, term, q)
        except AttributeError as ex:
            log.debug_or_exception(ex)
@@ -23,7 +23,7 @@ import json
 import os
 import sys

-from flask import Blueprint, Response, request, url_for
+from flask import Blueprint, request, url_for, make_response, jsonify
 from .cw_login import current_user
 from flask_babel import get_locale
 from sqlalchemy.exc import InvalidRequestError, OperationalError
@@ -33,7 +33,6 @@ from cps.services.Metadata import Metadata
 from . import constants, logger, ub, web_server
 from .usermanagement import user_login_required

-# current_milli_time = lambda: int(round(time() * 1000))

 meta = Blueprint("metadata", __name__)

@@ -90,7 +89,7 @@ def metadata_provider():
        provider.append(
            {"name": c.__name__, "active": ac, "initial": ac, "id": c.__id__}
        )
-    return Response(json.dumps(provider), mimetype="application/json")
+    return make_response(jsonify(provider))


@meta.route("/metadata/provider", methods=["POST"])
@@ -115,9 +114,7 @@ def metadata_change_active_provider(prov_name):
        provider = next((c for c in cl if c.__id__ == prov_name), None)
        if provider is not None:
            data = provider.search(new_state.get("query", ""))
-        return Response(
-            json.dumps([asdict(x) for x in data]), mimetype="application/json"
-        )
+        return make_response(jsonify([asdict(x) for x in data]))
    return ""


@@ -130,7 +127,7 @@ def metadata_search():
    locale = get_locale()
    if query:
        static_cover = url_for("static", filename="generic_cover.jpg")
-        # start = current_milli_time()
+        # ret = cl[0].search(query, static_cover, locale)
        with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
            meta = {
                executor.submit(c.search, query, static_cover, locale): c
@@ -139,5 +136,4 @@ def metadata_search():
            }
            for future in concurrent.futures.as_completed(meta):
                data.extend([asdict(x) for x in future.result() if x])
-    # log.info({'Time elapsed {}'.format(current_milli_time()-start)})
-    return Response(json.dumps(data), mimetype="application/json")
+    return  make_response(jsonify(data))
@@ -216,6 +216,12 @@ class WebServer(object):
        try:
            sock, output = self._make_gevent_listener()
            log.info('Starting Gevent server on %s', output)
+            # Also print to stdout so interactive terminals show a clear success message
+            try:
+                print(f"Calibre-Web: server started on {output}")
+            except Exception:
+                print(f"Calibre-Web: error {output}")
+                pass
            self.wsgiserver = WSGIServer(sock, self.app, log=self.access_logger, handler_class=MyWSGIHandler,
                                         error_log=log,
                                         spawn=Pool(), **ssl_args)
@@ -266,6 +272,12 @@ class WebServer(object):
                output = _readable_listen_address(self.listen_address, self.listen_port)
                http_server.listen(self.listen_port, self.listen_address)
            log.info('Starting Tornado server on %s', output)
+            # Also print to stdout so interactive terminals show a clear success message
+            try:
+                print(f"Calibre-Web: server started on {output}")
+            except Exception:
+                print(f"Calibre-Web: error {output}")
+                pass

            self.wsgiserver = IOLoop.current()
            self.wsgiserver.start()
@@ -42,6 +42,7 @@ class BackgroundScheduler:
        if cls._instance is None:
            cls._instance = super(BackgroundScheduler, cls).__new__(cls)
            cls.log = logger.create()
+            logger.logging.getLogger('tzlocal').setLevel(logger.logging.WARNING)
            cls.scheduler = BScheduler()
            cls.scheduler.start()

@@ -92,7 +92,7 @@ def send_messsage(token, msg):
    if creds and creds.expired and creds.refresh_token:
        creds.refresh(Request())
    service = build('gmail', 'v1', credentials=creds)
-    message_as_bytes = msg.as_bytes()  # the message should converted from string to bytes.
+    message_as_bytes = msg.as_bytes()  # the message should be converted from string to bytes.
    message_as_base64 = base64.urlsafe_b64encode(message_as_bytes)  # encode in base64 (printable letters coding)
    raw = message_as_base64.decode()  # convert to something  JSON serializable
    body = {'raw': raw}
@@ -22,7 +22,7 @@ import requests

 from goodreads.client import GoodreadsClient
 from goodreads.request import GoodreadsRequest
-import xmltodict
+from lxml import etree

 try:
    import Levenshtein
@@ -33,6 +33,39 @@ from .. import logger
 from ..clean_html import clean_string


+
+
+def etree_to_dict(t):
+    """
+    Convert lxml ElementTree to a nested dict (similar to xmltodict).
+    """
+    d = {t.tag: {} if t.attrib else None}
+    children = list(t)
+
+    if children:
+        dd = {}
+        for dc in map(etree_to_dict, children):
+            for k, v in dc.items():
+                if k in dd:
+                    if not isinstance(dd[k], list):
+                        dd[k] = [dd[k]]
+                    dd[k].append(v)
+                else:
+                    dd[k] = v
+        d = {t.tag: dd}
+
+    if t.attrib:
+        d[t.tag].update(('@' + k, v) for k, v in t.attrib.items())
+
+    text = (t.text or '').strip()
+    if text:
+        if children or t.attrib:
+            d[t.tag]['#text'] = text
+        else:
+            d[t.tag] = text
+
+    return d
+
 class my_GoodreadsClient(GoodreadsClient):

    def request(self, *args, **kwargs):
@@ -59,7 +92,9 @@ class my_GoodreadsRequest(GoodreadsRequest):
        if resp.status_code != 200:
            raise GoodreadsRequestException(resp.reason, self.path)
        if self.req_format == 'xml':
-            data_dict = xmltodict.parse(resp.content)
+            root = etree.fromstring(resp.content)
+            data_dict = etree_to_dict(root)
+
            return data_dict['GoodreadsResponse']
        else:
            raise Exception("Invalid format")
@@ -117,7 +152,7 @@ def get_author_info(author_name):


 def get_other_books(author_info, library_books=None):
-    # Get all identifiers (ISBN, Goodreads, etc) and filter author's books by that list so we show fewer duplicates
+    # Get all identifiers (ISBN, Goodreads, etc.) and filter author's books by that list so we show fewer duplicates
    # Note: Not all images will be shown, even though they're available on Goodreads.com.
    #       See https://www.goodreads.com/topic/show/18213769-goodreads-book-images

@@ -199,7 +199,7 @@ class CalibreTask:
            self.run(*args)
        except Exception as ex:
            self._handleError(str(ex))
-            log.error_or_exception(ex)
+            log.exception(ex)

        self.end_time = datetime.now()

@@ -102,6 +102,52 @@ def add_to_shelf(shelf_id, book_id):
    return "", 204


+@shelf.route("/shelf/massremove/<int:shelf_id>", methods=["POST"])
+@user_login_required
+def search_from_shelf(shelf_id):
+    shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
+    if shelf is None:
+        log.error("Invalid shelf specified: {}".format(shelf_id))
+        flash(_("Invalid shelf specified"), category="error")
+        return redirect(url_for('web.index'))
+
+    if not check_shelf_edit_permissions(shelf):
+        log.warning("You are not allowed to remove a book from the shelf".format(shelf.name))
+        flash(_("You are not allowed to remove a book from the shelf"), category="error")
+        return redirect(url_for('web.index'))
+
+    if current_user.id in ub.searched_ids and ub.searched_ids[current_user.id]:
+        books_from_shelf = list()
+        books_in_shelf = ub.session.query(ub.BookShelf).filter(ub.BookShelf.shelf == shelf_id).all()
+        if books_in_shelf:
+            book_ids = [book_id.book_id for book_id in books_in_shelf]
+            for searchid in ub.searched_ids[current_user.id]:
+                if searchid in book_ids:
+                    books_from_shelf.append(searchid)
+        else:
+            log.error("No Books are part of {}".format(shelf.name))
+            flash(_("No Books are part of the shelf: %(name)s", name=shelf.name), category="error")
+            return redirect(url_for('web.index'))
+
+        # maxOrder = ub.session.query(func.max(ub.BookShelf.order)).filter(ub.BookShelf.shelf == shelf_id).first()[0] or 0
+
+        for book in books_from_shelf:
+            ub.session.delete(ub.session.query(ub.BookShelf).filter(ub.BookShelf.shelf == shelf_id).filter(
+                ub.BookShelf.book_id == book).first())
+        shelf.last_modified = datetime.now(timezone.utc)
+        try:
+            ub.session.commit()
+            flash(_("Books have been removed from shelf: %(sname)s", sname=shelf.name), category="success")
+        except (OperationalError, InvalidRequestError) as e:
+            ub.session.rollback()
+            log.error_or_exception("Settings Database error: {}".format(e))
+            flash(_("Oops! Database Error: %(error)s.", error=e.orig), category="error")
+    else:
+        log.error("Could not remove books from shelf: {}".format(shelf.name))
+        flash(_("Could not remove books from shelf: %(sname)s", sname=shelf.name), category="error")
+    return redirect(url_for('web.index'))
+
+
@shelf.route("/shelf/massadd/<int:shelf_id>", methods=["POST"])
@user_login_required
 def search_to_shelf(shelf_id):
@@ -120,9 +166,7 @@ def search_to_shelf(shelf_id):
        books_for_shelf = list()
        books_in_shelf = ub.session.query(ub.BookShelf).filter(ub.BookShelf.shelf == shelf_id).all()
        if books_in_shelf:
-            book_ids = list()
-            for book_id in books_in_shelf:
-                book_ids.append(book_id.book_id)
+            book_ids = [book_id.book_id for book_id in books_in_shelf]
            for searchid in ub.searched_ids[current_user.id]:
                if searchid not in book_ids:
                    books_for_shelf.append(searchid)
@@ -0,0 +1,108 @@
+body {
+  margin: 0;
+}
+
+nav {
+  height: 75px;
+  padding: 5px 20px;
+  width: 100%;
+  display: table;
+  box-sizing: border-box;
+  border-bottom: 1px solid black;
+}
+
+nav > * {
+  display: inline-block;
+  display: table-cell;
+  vertical-align: middle;
+  float: none;
+  text-align: center;
+  width: auto;
+}
+
+nav > *:first-child {
+  text-align: left;
+  width: 1%;
+}
+
+.theme{
+    text-align: center;
+    margin: 10px;
+}
+nav > *:last-child {
+  text-align: right;
+  width: 1%;
+}
+
+nav > a {
+  color: black;
+  margin: 0 20px;
+}
+
+.search {
+  margin: auto auto;
+}
+
+form > input {
+  width: 18ch;
+  padding-left: 4px;
+}
+
+form > * {
+  height: 50px;
+  background-color: white;
+  border-radius: 0;
+  border: 1px solid #ccc;
+  padding: 0;
+  margin: 0;
+  display: inline-block;
+  vertical-align: top;
+}
+
+form > span {
+  margin-left: -5px;
+}
+
+button {
+  border: none;
+  padding: 0 10px;
+  margin: 0;
+  width: 160px;
+  height: 100%;
+  background-color: white;
+}
+
+.body {
+  padding: 5px 20px;
+}
+
+a {
+  color: black;
+}
+
+img {
+  width: 150px;
+  height: 250px;
+  object-fit: cover;
+}
+
+.listing {
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  margin-right: 20px;
+}
+
+.pagination {
+  padding: 10px 0;
+  height: 20px;
+  font-weight: 700;
+}
+
+.pagination > div {
+  float: left;
+}
+
+.pagination > div:last-child {
+  float: right;
+}
@@ -2018,7 +2018,7 @@ body > div.container-fluid > div > div.col-sm-10 > div.pagination > .page-previo
    display: none
 }

-body.authorlist > div.container-fluid > div > div.col-sm-10 > div.container > div.col-xs-12, body.catlist > div.container-fluid > div > div.col-sm-10 > div.container > div.col-xs-12, body.langlist > div.container-fluid > div > div.col-sm-10 > div.container > div.col-sm-6, body.serieslist > div.container-fluid > div > div.col-sm-10 > div.container > div.col-sm-6 {
+body.authorlist > div.container-fluid > div > div.col-sm-10 > div.container1 > div.col-xs-12, body.downloadlist > div.container-fluid > div > div.col-sm-10 > div.container1 > div.col-xs-12, body.catlist > div.container-fluid > div > div.col-sm-10 > div.container1 > div.col-xs-12, body.langlist > div.container-fluid > div > div.col-sm-10 > div.container1 > div.col-sm-6, body.serieslist > div.container-fluid > div > div.col-sm-10 > div.container1 > div.col-sm-6 {
    width: 100%
 }

@@ -2042,7 +2042,7 @@ body.serieslist > div.container-fluid > div > div.col-sm-10:before {
  }
 }

-body > div.container-fluid > div > div.col-sm-10 > div.container {
+body > div.container-fluid > div > div.col-sm-10 > div.container1 {
    width: calc(80% - 30px);
    margin: 120px 0 30px 20%;
    border-top: 2px solid rgba(0, 0, 0, .3);
@@ -2051,19 +2051,19 @@ body > div.container-fluid > div > div.col-sm-10 > div.container {
    max-width: calc(80% - 30px)
 }

-body > div.container-fluid > div > div.col-sm-10 > div.container > div {
+body > div.container-fluid > div > div.col-sm-10 > div.container1 > div {
    padding: 0
 }

-body > div.container-fluid > div > div.col-sm-10 > div.container > div > .row {
+body > div.container-fluid > div > div.col-sm-10 > div.container1 > div > .row {
    padding: 4px 0
 }

-body > div.container-fluid > div > div.col-sm-10 > div.container > div > .row:nth-of-type(even) {
+body > div.container-fluid > div > div.col-sm-10 > div.container1 > div > .row:nth-of-type(even) {
    background: hsla(0, 0%, 100%, .02)
 }

-body > div.container-fluid > div > div.col-sm-10 > div.container > div > .row > .col-xs-6 {
+body > div.container-fluid > div > div.col-sm-10 > div.container1 > div > .row > .col-xs-6 {
    width: calc(91.666% - 30px);
    overflow: hidden;
    -o-text-overflow: ellipsis;
@@ -2072,7 +2072,7 @@ body > div.container-fluid > div > div.col-sm-10 > div.container > div > .row >
    padding-left: 60px
 }

-body > div.container-fluid > div > div.col-sm-10 > div.container > div > .row > .col-xs-6 > a {
+body > div.container-fluid > div > div.col-sm-10 > div.container1 > div > .row > .col-xs-6 > a {
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    white-space: nowrap;
@@ -2082,7 +2082,7 @@ body > div.container-fluid > div > div.col-sm-10 > div.container > div > .row >
 }


-body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container {
+body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container1 {
    width: calc(80% - 30px);
    margin: 120px 0 30px 20%;
    border-top: 2px solid rgba(0, 0, 0, .3);
@@ -2091,19 +2091,19 @@ body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container
    max-width: calc(80% - 30px)
 }

-body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container > div {
+body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container1 > div {
    padding: 0
 }

-body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container > div > .row {
+body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container1 > div > .row {
    padding: 4px 0
 }

-body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container > div > .row:nth-of-type(even) {
+body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container1 > div > .row:nth-of-type(even) {
    background: hsla(0, 0%, 100%, .02)
 }

-body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container > div > .row > .col-xs-6 {
+body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container1 > div > .row > .col-xs-6 {
    width: calc(91.666% - 30px);
    overflow: hidden;
    -o-text-overflow: ellipsis;
@@ -2112,7 +2112,7 @@ body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container
    padding-left: 60px
 }

-body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container > div > .row > .col-xs-6 > a {
+body > div.container-fluid > div > div.col-sm-10 > div.discover > div.container1 > div > .row > .col-xs-6 > a {
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    white-space: nowrap;
@@ -2146,7 +2146,6 @@ body.catlist > div.container-fluid > div.row-fluid > div.col-sm-10:before {
  }
 }

-
 body.authorlist > div.container-fluid > div.row-fluid > div.col-sm-10:before, body.langlist > div.container-fluid > div > div.col-sm-10:before {
    font-family: 'Glyphicons Halflings', serif;
    font-style: normal;
@@ -2172,10 +2171,12 @@ body.authorlist > div.container-fluid > div.row-fluid > div.col-sm-10:before {
 }

 body.langlist > div.container-fluid > div > div.col-sm-10:before {
-    content: "\e034"
+    content: "\e034";
+    top: 240px;
 }

-body.authorlist > div.container-fluid > div > div.col-sm-10 > div.container:before, body.catlist > div.container-fluid > div > div.col-sm-10 > div.container:before, body.langlist > div.container-fluid > div > div.col-sm-10 > div.container:before, body.me > div.container-fluid > div > div.col-sm-10 > div.discover:before, body.serieslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+
+body.authorlist > div.container-fluid > div > div.col-sm-10 > div.container1:before, body.downloadlist > div.container-fluid > div > div.col-sm-10 > div.container1:before, body.catlist > div.container-fluid > div > div.col-sm-10 > div.container1:before, body.langlist > div.container-fluid > div > div.col-sm-10 > div.container1:before, body.me > div.container-fluid > div > div.col-sm-10 > div.discover:before, body.serieslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
    top: 60px;
    font-size: 24px;
    color: #eee;
@@ -2186,63 +2187,104 @@ body.authorlist > div.container-fluid > div > div.col-sm-10 > div.container:befo
    font-weight: 400
 }

-body.authorlist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+body.authorlist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
    content: "Authors";
    top: 115px;
+    display: table;
 }

@media screen and (max-width: 992px) {
-  body.authorlist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+  body.authorlist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
      top: 60px;
  }
 }

-body.catlist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+@media screen and (max-width: 992px) {
+  body.downloadlist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
+      top: 60px;
+  }
+}
+
+body.downloadlist > div.container-fluid > div.row-fluid > div.col-sm-10:before {
+    font-family: Glyphicons Halflings, serif;
+    content: "\E026";
+    font-style: normal;
+    font-weight: 400;
+    line-height: 1;
+    font-size: 6vw;
+    position: fixed;
+    left: 240px;
+    top: 240px;
+    width: calc(20% - 55px);
+    text-align: center
+}
+
+
+@media screen and (max-width: 992px) {
+  body.downloadlist > div.container-fluid > div.row-fluid > div.col-sm-10:before {
+      top: 180px;
+  }
+}
+
+body.downloadlist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
+    content: "Downloads";
+    top: 115px;
+    display: table;
+}
+
+
+body.catlist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
    content: "Categories";
    top: 115px;
+    display: table;
 }

@media screen and (max-width: 992px) {
-  body.catlist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+  body.catlist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
      top: 60px;
  }
 }

-body.serieslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+body.serieslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
    content: "Series";
    top: 115px;
+    display: table;
 }

@media screen and (max-width: 992px) {
-  body.serieslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+  body.serieslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
      top: 60px;
  }
 }

-body.ratingslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+body.ratingslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
    content: "File formats";
    top: 115px;
+    display: table;
 }

@media screen and (max-width: 992px) {
-  body.ratingslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+  body.ratingslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
      top: 60px;
  }
 }

-body.formatslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+body.formatslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
    content: "File formats";
    top: 115px;
+    display: table;
 }

@media screen and (max-width: 992px) {
-  body.formatslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+  body.formatslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
      top: 60px;
  }
 }

-body.langlist > div.container-fluid > div > div.col-sm-10 > div.container:before {
-    content: "Languages"
+body.langlist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
+    content: "Languages";
+    top: 115px;
+    display: table;
 }

 body.advsearch > div.container-fluid > div > div.col-sm-10 > div.col-md-10.col-lg-6 {
@@ -3268,6 +3310,10 @@ div.btn-group[role=group][aria-label="Download, send to Kindle, reading"] > div.
    left: auto !important
 }

+ul.dropdown-menu.offscreen {
+    margin: 2px -160px 0
+}
+
 div.btn-group[role=group][aria-label="Download, send to Kindle, reading"] .dropdown-menu.offscreen {
    position: fixed;
    top: 120px;
@@ -4333,6 +4379,7 @@ body.advanced_search > div.container-fluid > div.row-fluid > div.col-sm-10 > div

 .navbar-right > li > ul.dropdown-menu.offscreen {
    right: -10px
+
 }

 .login .plexBack, body.login > div.container-fluid > div.row-fluid > div.col-sm-2, body.login > div.navbar.navbar-default.navbar-static-top > div > form {
@@ -6416,7 +6463,7 @@ body.edituser.admin > div.container-fluid > div.row-fluid > div.col-sm-10 > div.
        display: none !important
    }

-    .shelforder > .container-fluid > .row-fluid > .col-sm-10 > div.col-sm-6.col-lg-6.col-xs-6 > h2:before, body.advsearch > div.container-fluid > div > div.col-sm-10:before, body.authorlist > div.container-fluid > div > div.col-sm-10 > div.container:before, body.catlist > div.container-fluid > div > div.col-sm-10 > div.container:before, body.langlist > div.container-fluid > div > div.col-sm-10 > div.container:before, body.login .navbar > .container-fluid > .navbar-header > button.navbar-toggle, body.serieslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+    .shelforder > .container-fluid > .row-fluid > .col-sm-10 > div.col-sm-6.col-lg-6.col-xs-6 > h2:before, body.advsearch > div.container-fluid > div > div.col-sm-10:before, body.authorlist > div.container-fluid > div > div.col-sm-10 > div.container1:before, body.catlist > div.container-fluid > div > div.col-sm-10 > div.container1:before, body.langlist > div.container-fluid > div > div.col-sm-10 > div.container1:before, body.downloadlist > div.container-fluid > div > div.col-sm-10 > div.container1:before, body.login .navbar > .container-fluid > .navbar-header > button.navbar-toggle, body.serieslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
        display: none
    }

@@ -6522,7 +6569,7 @@ body.edituser.admin > div.container-fluid > div.row-fluid > div.col-sm-10 > div.
        background-size: 30px
    }

-    body.advanced_search > div.container-fluid > div > div.col-sm-10 > div.col-sm-8:before, body.author:not(.authorlist) .undefined-img:before, body.authorlist > div.container-fluid > div.row-fluid > div.col-sm-10:before, body.catlist > div.container-fluid > div.row-fluid > div.col-sm-10:before, body.langlist > div.container-fluid > div > div.col-sm-10:before, body.ratingslist > div.container-fluid > div > div.col-sm-10:before, body.serieslist > div.container-fluid > div > div.col-sm-10:before, body.shelforder > div.container-fluid > div.row-fluid > div.col-sm-10:before {
+    body.advanced_search > div.container-fluid > div > div.col-sm-10 > div.col-sm-8:before, body.author:not(.authorlist) .undefined-img:before, body.authorlist > div.container-fluid > div.row-fluid > div.col-sm-10:before, body.catlist > div.container-fluid > div.row-fluid > div.col-sm-10:before, body.downloadlist > div.container-fluid > div.row-fluid > div.col-sm-10:before, body.langlist > div.container-fluid > div > div.col-sm-10:before, body.ratingslist > div.container-fluid > div > div.col-sm-10:before, body.serieslist > div.container-fluid > div > div.col-sm-10:before, body.shelforder > div.container-fluid > div.row-fluid > div.col-sm-10:before {
        position: fixed;
        top: 62px;
        right: 23px;
@@ -6542,7 +6589,7 @@ body.edituser.admin > div.container-fluid > div.row-fluid > div.col-sm-10 > div.
        border-top: 1px solid hsla(0, 0%, 78%, .15)
    }

-    body > div.container-fluid > div > div.col-sm-10 > div.container {
+    body > div.container-fluid > div > div.col-sm-10 > div.container1 {
        left: 0;
        width: auto;
        margin: 0 !important;
@@ -6669,7 +6716,7 @@ body.edituser.admin > div.container-fluid > div.row-fluid > div.col-sm-10 > div.
        margin-bottom: 5px
    }

-    body > div.container-fluid > div > div.col-sm-10 > div.container > div > .row {
+    body > div.container-fluid > div > div.col-sm-10 > div.container1 > div > .row {
        padding: 0
    }

@@ -7148,12 +7195,11 @@ body.edituser.admin > div.container-fluid > div.row-fluid > div.col-sm-10 > div.
    }

    body.editbook > div.container-fluid > div.row-fluid > div.col-sm-10 > div.col-sm-3, body.upload > div.container-fluid > div.row-fluid > div.col-sm-10 > div.col-sm-3 {
-        max-width: 130px;
-        width: 130px;
-        height: 180px;
-        margin: 0;
+        position: relative;
+        max-width: unset;
+        width: 100%;
+        height: unset;
        padding: 15px;
-        position: absolute
    }

    body.editbook > div.container-fluid > div.row-fluid > div.col-sm-10 > form > div.col-sm-9, body.upload > div.container-fluid > div.row-fluid > div.col-sm-10 > form > div.col-sm-9 {
@@ -7162,10 +7208,6 @@ body.edituser.admin > div.container-fluid > div.row-fluid > div.col-sm-10 > div.
        width: 100%
    }

-    body.editbook > div.container-fluid > div.row-fluid > div.col-sm-10 > form > div.col-sm-9 > .form-group:nth-child(1), body.editbook > div.container-fluid > div.row-fluid > div.col-sm-10 > form > div.col-sm-9 > .form-group:nth-child(2), body.upload > div.container-fluid > div.row-fluid > div.col-sm-10 > form > div.col-sm-9 > .form-group:nth-child(1), body.upload > div.container-fluid > div.row-fluid > div.col-sm-10 > form > div.col-sm-9 > .form-group:nth-child(2) {
-        padding-left: 120px
-    }
-
    #deleteButton, body.editbook > div.container-fluid > div.row-fluid > div.col-sm-10 > div.col-sm-3 > div.text-center > #delete, body.upload > div.container-fluid > div.row-fluid > div.col-sm-10 > div.col-sm-3 > div.text-center > #delete {
        top: 48px;
        height: 42px
@@ -7441,11 +7483,11 @@ body.edituser.admin > div.container-fluid > div.row-fluid > div.col-sm-10 > div.
        text-decoration: none
    }

-    body > div.container-fluid > div > div.col-sm-10 > div.container > div > .row:nth-of-type(even) {
+    body > div.container-fluid > div > div.col-sm-10 > div.container1 > div > .row:nth-of-type(even) {
        background: 0 0
    }

-    body > div.container-fluid > div > div.col-sm-10 > div.container > div > .row {
+    body > div.container-fluid > div > div.col-sm-10 > div.container1 > div > .row {
        border-bottom: 1px solid hsla(0, 0%, 78%, .15)
    }

@@ -7600,7 +7642,7 @@ body.formatslist > div.container-fluid > div > div.col-sm-10:before {
  }
 }

-body.publisherlist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+body.publisherlist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
    content: "Publishers";
    top: 115px;
    font-size: 24px;
@@ -7608,17 +7650,18 @@ body.publisherlist > div.container-fluid > div > div.col-sm-10 > div.container:b
    line-height: 1;
    padding-left: 15px;
    position: absolute;
+    display: table;
    font-family: Open Sans Bold, Helvetica Neue, Helvetica, Arial, sans-serif;
    font-weight: 400
 }

@media screen and (max-width: 992px) {
-  body.publisherlist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+  body.publisherlist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
      top: 60px;
  }
 }

-body.ratingslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+body.ratingslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
    content: "Ratings";
    top: 115px;
    font-size: 24px;
@@ -7626,23 +7669,24 @@ body.ratingslist > div.container-fluid > div > div.col-sm-10 > div.container:bef
    line-height: 1;
    padding-left: 15px;
    position: absolute;
+    display: table;
    font-family: Open Sans Bold, Helvetica Neue, Helvetica, Arial, sans-serif;
    font-weight: 400
 }

@media screen and (max-width: 992px) {
-  body.ratingslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+  body.ratingslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
      top: 60px;
  }
 }

@media screen and (max-width: 768px) {
-  body.ratingslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+  body.ratingslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
      display: none;
  }
 }

-body.formatslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+body.formatslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
    content: "File formats";
    top: 115px;
    font-size: 24px;
@@ -7655,18 +7699,18 @@ body.formatslist > div.container-fluid > div > div.col-sm-10 > div.container:bef
 }

@media screen and (max-width: 992px) {
-  body.formatslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+  body.formatslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
      top: 60px;
  }
 }

@media screen and (max-width: 768px) {
-  body.formatslist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+  body.formatslist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
      display: none;
  }
 }

-body.publisherlist > div.container-fluid > div > div.col-sm-10 > div.container > div.col-sm-6 {
+body.publisherlist > div.container-fluid > div > div.col-sm-10 > div.container1 > div.col-sm-6 {
    width: 100%
 }

@@ -7705,7 +7749,7 @@ body.publisherlist > div.container-fluid > div > div.col-sm-10 > div.container >
        color: hsla(0, 0%, 100%, .7)
    }

-    body.publisherlist > div.container-fluid > div > div.col-sm-10 > div.container:before {
+    body.publisherlist > div.container-fluid > div > div.col-sm-10 > div.container1:before {
        display: none !important
    }
 }
@@ -7951,3 +7995,5 @@ div.comments[data-readmore] {
    transition: height 300ms;
    overflow: hidden
 }
+
+.dropdown-menu > .offscreen
@@ -26,3 +26,14 @@ body.serieslist.grid-view div.container-fluid > div > div.col-sm-10::before {
 input.datepicker {color: transparent}
 input.datepicker:focus {color: transparent}
 input.datepicker:focus + input {color: #555}
+
+.col-sm-3.col-lg-2.col-xs-6.book.session {
+    margin-left: 0;
+    margin-right: 0;
+}
+
+@media only screen and (max-width: 767px) {
+        .row-fluid > .col-sm-2 {
+        visibility: hidden;
+    }
+}
@@ -13,7 +13,12 @@
 	color: #000;
 }

+.amberTheme {
+    background: #e8bf5e;
+    color: #000;
+}
+
 .blackTheme {
 	background: #000;
-	color: #fff
+	color: #fff;
 }
@@ -157,7 +157,6 @@ fieldset[disabled] .twitter-typeahead .tt-input {
  list-style: none;
  font-size: 14px;
  background-color: #ffffff;
-  border: 1px solid #cccccc;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 4px;
  -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
@@ -1,11 +1,10 @@
@font-face {
-  font-family: 'fontello';
-  src: url('fonts/fontello.eot?60518104');
-  src:
-    url('fonts/fontello.eot?60518104#iefix') format('embedded-opentype'),
-    url('fonts/fontello.woff?60518104') format('woff'),
-    url('fonts/fontello.ttf?60518104') format('truetype'),
-    url('fonts/fontello.svg?60518104#fontello') format('svg');
+  font-family: "fontello";
+  src: url("fonts/fontello.eot?60518104");
+  src: url("fonts/fontello.eot?60518104#iefix") format("embedded-opentype"),
+    url("fonts/fontello.woff?60518104") format("woff"),
+    url("fonts/fontello.ttf?60518104") format("truetype"),
+    url("fonts/fontello.svg?60518104#fontello") format("svg");
  font-weight: normal;
  font-style: normal;
 }
@@ -16,7 +15,7 @@ body {
 }

 .myselect {
-    overflow: visible !important;
+  overflow: visible !important;
 }

 #main {
@@ -48,7 +47,7 @@ body {
  -webkit-transition: opacity 0.5s;
  -moz-transition: opacity 0.5s;
  transition: opacity 0.5s;
-  z-index: 10;
+  z-index: 100;
 }

 #titlebar:hover {
@@ -77,7 +76,6 @@ body {
 }

 #panels a {
-  visibility: hidden;
  width: 18px;
  height: 20px;
  overflow: hidden;
@@ -94,14 +92,18 @@ body {
  box-shadow: inset 0 0 6px rgba(155, 155, 155, 0.8);
 }

-#book-title { font-weight: 600; }
-#title-seperator { display: none; }
+#book-title {
+  font-weight: 600;
+}
+#title-seperator {
+  display: none;
+}

 #viewer {
  width: 80%;
  height: 80%;
  margin: 0 auto;
-  z-index: 2;
+  z-index: 0;
  position: relative;
  overflow: hidden;
 }
@@ -137,6 +139,7 @@ body {
  user-select: none;
  padding-top: 160px;
  padding-bottom: 160px;
+  z-index: 10;
 }

 .arrow:hover {
@@ -201,10 +204,16 @@ body {
  max-width: 80%;
 }

-#title-controls { float: right; }
+#title-controls {
+  float: right;
+}

-#panels a::before { visibility: visible; }
-#panels a:hover { color: #aaa; }
+#panels a::before {
+  visibility: visible;
+}
+#panels a:hover {
+  color: #aaa;
+}

 .list_item.currentChapter > a,
 .list_item a:hover {
@@ -238,8 +247,12 @@ body {
  margin-top: -1px;
 }

-input::-webkit-input-placeholder { color: #454545; }
-input:-moz-placeholder { color: #454545; }
+input::-webkit-input-placeholder {
+  color: #454545;
+}
+input:-moz-placeholder {
+  color: #454545;
+}

 #divider {
  position: absolute;
@@ -379,14 +392,14 @@ input:-moz-placeholder { color: #454545; }
 }

 .toc_toggle::before {
-  content: '▸';
+  content: "▸";
  color: #fff;
  margin-right: -4px;
 }

 .currentChapter > .toc_toggle::before,
 .openChapter > .toc_toggle::before {
-  content: '▾';
+  content: "▾";
 }

 .view {
@@ -500,24 +513,36 @@ input:-moz-placeholder { color: #454545; }
  list-style-type: none;
 }

-#settingsPanel .xsmall { font-size: x-small; }
-#settingsPanel .small { font-size: small; }
-#settingsPanel .medium { font-size: medium; }
-#settingsPanel .large { font-size: large; }
-#settingsPanel .xlarge { font-size: x-large; }
+#settingsPanel .xsmall {
+  font-size: x-small;
+}
+#settingsPanel .small {
+  font-size: small;
+}
+#settingsPanel .medium {
+  font-size: medium;
+}
+#settingsPanel .large {
+  font-size: large;
+}
+#settingsPanel .xlarge {
+  font-size: x-large;
+}

-.highlight { background-color: yellow; }
+.highlight {
+  background-color: yellow;
+}

 .modal {
  position: fixed;
  top: 50%;
  left: 50%;
-  width: 630px;
-  height: auto;
+  transform: translate(-50%, -50%);
+  width: 97vw;
+  height: 90dvh;
+  max-width: 630px;
  z-index: 2000;
  visibility: hidden;
-  margin-left: -320px;
-  margin-top: -160px;
 }

 .overlay {
@@ -540,7 +565,7 @@ input:-moz-placeholder { color: #454545; }
 }

 .md-show ~ .overlay {
-  opacity: 1;
+  /* opacity: 1; */
  visibility: visible;
 }

@@ -555,7 +580,7 @@ input:-moz-placeholder { color: #454545; }
 }

 .md-content > div {
-  padding: 15px 40px 30px;
+  padding: 10px 20px;
  margin: 0;
  font-weight: 300;
  font-size: 14px;
@@ -582,6 +607,7 @@ input:-moz-placeholder { color: #454545; }
  color: white;
 }

+.md-content .themes button.lightTheme,
 .md-content .themes button.whiteTheme {
  background-color: white;
  color: black;
@@ -592,6 +618,11 @@ input:-moz-placeholder { color: #454545; }
  color: black;
 }

+.md-content .themes button.amberTheme {
+  background-color: #e8bf5e;
+  color: black;
+}
+
 .md-content .themes button.blackTheme {
  background-color: black;
  color: white;
@@ -639,31 +670,47 @@ input:-moz-placeholder { color: #454545; }

@media only screen and (max-width: 900px) {
  #viewer {
-    width: 60%;
-    margin-left: 20%;
+    width: 100%;
+    height: calc(100dvh - 99px);
+    margin-left: 0;
+  }
+
+  #viewer iframe {
+    width: 100%;
+    height: 100%;
  }

  #prev {
    left: 20px;
+    z-index: 10;
  }

  #next {
    right: 20px;
+    z-index: 10;
  }
 }

@media only screen and (max-width: 550px) {
  #viewer {
-    width: 80%;
-    margin-left: 10%;
+    width: 100%;
+    height: calc(100dvh - 99px);
+    margin-left: 0;
+  }
+
+  #viewer iframe {
+    width: 100%;
+    height: 100%;
  }

  #prev {
    left: 0;
+    z-index: 10;
  }

  #next {
    right: 0;
+    z-index: 10;
  }

  .arrow {
@@ -713,11 +760,7 @@ input:-moz-placeholder { color: #454545; }
  }
 }

-@media only screen
-  and (min-device-width: 768px)
-  and (max-device-width: 1024px)
-  and (orientation: landscape)
-  /* and (-webkit-min-device-pixel-ratio: 2)*/ {
+@media only screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation: landscape) /* and (-webkit-min-device-pixel-ratio: 2) */ {
  #viewer {
    width: 80%;
    margin-left: 10%;
@@ -740,47 +783,52 @@ input:-moz-placeholder { color: #454545; }
 /* For iPhone 6\6s portrait layouts only */
@media only screen and (min-device-width: 375px) and (max-device-width: 667px) and (orientation: portrait) {
  #viewer {
-    width: 300px;
-    height: 480px;
+    width: 100%;
+    height: calc(100dvh - 99px);
  }

  #viewer iframe {
-   width: 300px;
-   height: 480px;
+    width: 100%;
+    height: 100%;
  }
 }

 /* For iPhone 6\6s landscape layouts only */
@media only screen and (min-device-width: 375px) and (max-device-width: 667px) and (orientation: landscape) {
  #viewer {
-    width: 450px;
-    height: 300px;
+    width: 100%;
+    height: calc(100dvh - 99px);
  }

  #viewer iframe {
-    width: 450px;
-    height: 300px;
+    width: 100%;
+    height: 100%;
  }
 }

 /* For iPhone portrait layouts only */
@media only screen and (max-device-width: 374px) and (orientation: portrait) {
  #viewer {
-    width: 256px;
-    height: 432px;
+    width: 100%;
+    height: calc(100dvh - 99px);
  }

  #viewer iframe {
-    width: 256px;
-    height: 432px;
+    width: 100%;
+    height: 100%;
  }
 }

 /* For iPhone landscape layouts only */
@media only screen and (max-device-width: 374px) and (orientation: landscape) {
+  #viewer {
+    width: 100%;
+    height: calc(100dvh - 99px);
+  }
+
  #viewer iframe {
-    width: 256px;
-    height: 124px;
+    width: 100%;
+    height: 100%;
  }
 }

@@ -804,32 +852,69 @@ input:-moz-placeholder { color: #454545; }
  font-size: 112%;
 }

-.icon-search::before { content: '\e807'; } /* '' */
-.icon-resize-full-1::before { content: '\e804'; } /* '' */
-.icon-cancel-circled2::before { content: '\e80f'; } /* '' */
-.icon-link::before { content: '\e80d'; } /* '' */
-.icon-bookmark::before { content: '\e805'; } /* '' */
-.icon-bookmark-empty::before { content: '\e806'; } /* '' */
-.icon-download-cloud::before { content: '\e811'; } /* '' */
-.icon-edit::before { content: '\e814'; } /* '' */
-.icon-menu::before { content: '\e802'; } /* '' */
-.icon-cog::before { content: '\e813'; } /* '' */
-.icon-resize-full::before { content: '\e812'; } /* '' */
-.icon-cancel-circled::before { content: '\e80e'; } /* '' */
-.icon-up-dir::before { content: '\e80c'; } /* '' */
-.icon-right-dir::before { content: '\e80b'; } /* '' */
-.icon-angle-right::before { content: '\e809'; } /* '' */
-.icon-angle-down::before { content: '\e80a'; } /* '' */
-.icon-right::before { content: '\e815'; } /* '' */
-.icon-list-1::before { content: '\e803'; } /* '' */
-.icon-list-numbered::before { content: '\e801'; } /* '' */
-.icon-columns::before { content: '\e810'; } /* '' */
-.icon-list::before { content: '\e800'; } /* '' */
-.icon-resize-small::before { content: '\e808'; } /* '' */
-
-#progress{
-    right: 4rem;
-    bottom: 4rem;
-    width: fit-content;
-    position: absolute;
-}
+.icon-search::before {
+  content: "\e807";
+} /* '' */
+.icon-resize-full-1::before {
+  content: "\e804";
+} /* '' */
+.icon-cancel-circled2::before {
+  content: "\e80f";
+} /* '' */
+.icon-link::before {
+  content: "\e80d";
+} /* '' */
+.icon-bookmark::before {
+  content: "\e805";
+} /* '' */
+.icon-bookmark-empty::before {
+  content: "\e806";
+} /* '' */
+.icon-download-cloud::before {
+  content: "\e811";
+} /* '' */
+.icon-edit::before {
+  content: "\e814";
+} /* '' */
+.icon-menu::before {
+  content: "\e802";
+} /* '' */
+.icon-cog::before {
+  content: "\e813";
+} /* '' */
+.icon-resize-full::before {
+  content: "\e812";
+} /* '' */
+.icon-cancel-circled::before {
+  content: "\e80e";
+} /* '' */
+.icon-up-dir::before {
+  content: "\e80c";
+} /* '' */
+.icon-right-dir::before {
+  content: "\e80b";
+} /* '' */
+.icon-angle-right::before {
+  content: "\e809";
+} /* '' */
+.icon-angle-down::before {
+  content: "\e80a";
+} /* '' */
+.icon-right::before {
+  content: "\e815";
+} /* '' */
+.icon-list-1::before {
+  content: "\e803";
+} /* '' */
+.icon-list-numbered::before {
+  content: "\e801";
+} /* '' */
+.icon-columns::before {
+  content: "\e810";
+} /* '' */
+.icon-list::before {
+  content: "\e800";
+} /* '' */
+.icon-resize-small::before {
+  content: "\e808";
+} /* '' */
@@ -1,47 +1,81 @@
 .fontSizeWrapper {
-    position: relative;
+  position: relative;
 }
 .slider {
-    position: absolute;
-    top: 50%;
-    transform: translate(0,-50%);
-    width: 90%;
-    height: 60px;
-    background: transparent;
-    border-radius: 20px;
-    display: flex;
-    align-items: center;
-    box-shadow: 0px 15px 40px #7E6D5766;
+  position: absolute;
+  top: 50%;
+  transform: translate(0, -50%);
+  width: 90%;
+  height: 60px;
+  background: transparent;
+  border-radius: 20px;
+  display: flex;
+  align-items: center;
+  box-shadow: 0px 15px 40px #7e6d5766;
 }
 .slider label {
-    font-size: 20px;
-    font-weight: 400;
-    font-family: Open Sans;
-    padding-right: 10px;
-    color: white;
+  font-size: 20px;
+  font-weight: 400;
+  font-family: Open Sans;
+  padding-right: 10px;
+  color: white;
 }
 .slider input[type="range"] {
-    width: 80%;
-    height: 5px;
-    background: black;
-    border: none;
-    outline: none;
+  width: 80%;
+  height: 5px;
+  background: black;
+  border: none;
+  outline: none;
 }

 .item {
-    font-size: 20px;
-    font-weight: 400;
-    font-family: Open Sans;
-    padding-right: 10px;
-    color: white;
+  font-size: 14px;
+  font-weight: 600;
+  font-family: Open Sans;
+  padding-right: 10px;
+  color: white;
 }

-.item~button {
-    display: inline-block;
-    border: none;
-    text-align: center;
-    text-decoration: none;
-    margin-top: 5%;
-    margin-right: 1%;
-    font-size: 16px;
+.item ~ button {
+  display: inline-block;
+  border: none;
+  text-align: center;
+  text-decoration: none;
+  margin-top: 5%;
+  margin-right: 1%;
+  font-size: 16px;
+}
+
+#main,
+#viewer,
+#sidebar,
+#tocView {
+  touch-action: pan-y;
+}
+
+.read-footer {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 0 12px;
+}
+.read-footer #pages-count {
+  font-size: 12px;
+
+  position: absolute;
+  left: 12px;
+  bottom: 2px;
+}
+
+#back-button {
+  width: 50px !important;
+  right: 50px;
+  // position: absolute;
+}
+
+#progress {
+  right: 4rem;
+  bottom: 2px;
+  width: fit-content;
+  position: absolute;
 }
@@ -429,6 +429,9 @@ div.log {
  padding: 0.5em;
 }

+.badge-sm{
+    font-size: 70%;
+}
 #detailcover { cursor:zoom-in; }
 #detailcover:-webkit-full-screen { cursor:zoom-out; border: 0; }
 #detailcover:-moz-full-screen { cursor:zoom-out; border: 0; }
@@ -438,3 +441,43 @@ div.log {
 .error-list {
    margin-top: 5px;
  }
+
+body > div.container-fluid > div.row-fluid > div.col-sm-10 {
+  max-height: calc(100vh - 111px);
+  overflow-y: auto;
+}
+
+body > div.container-fluid > div.row-fluid > div.col-sm-2 {
+  max-height: calc(100vh - 111px);
+  overflow-y: auto;
+  /* hide scrollbar in IE, Edge */
+  -ms-overflow-style: none;
+
+  /* hide scrollbar in Firefox */
+  scrollbar-width: none;
+}
+
+/* hide scrollbar in WebKit browsers (Chrome, Safari, Opera) */
+body > div.container-fluid > div.row-fluid > div.col-sm-2::-webkit-scrollbar {
+  display: none;
+}
+
+.scrollable-col {
+  /* keep vertical scrolling */
+  overflow-y: auto;
+
+  /* hide scrollbar in IE, Edge */
+  -ms-overflow-style: none;
+
+  /* hide scrollbar in Firefox */
+  scrollbar-width: none;
+}
+
+/* hide scrollbar in WebKit browsers (Chrome, Safari, Opera) */
+.scrollable-col::-webkit-scrollbar {
+  display: none;
+}
+
+body > div.container-fluid  {
+  padding-right: 0px;
+}
@@ -3,7 +3,7 @@
 */
 /* global Bloodhound, language, Modernizr, tinymce, getPath */

-if ($("#comments").length) {
+if ($("#comments").length && typeof tinymce !== "undefined") {
    tinymce.init({
        selector: "#comments",
        plugins: 'code',
@@ -0,0 +1 @@
+!function(a){a.fn.datepicker.dates.ar={days:["الأحد","الاثنين","الثلاثاء","الأربعاء","الخميس","الجمعة","السبت","الأحد"],daysShort:["أحد","اثنين","ثلاثاء","أربعاء","خميس","جمعة","سبت","أحد"],daysMin:["ح","ن","ث","ع","خ","ج","س","ح"],months:["يناير","فبراير","مارس","أبريل","مايو","يونيو","يوليو","أغسطس","سبتمبر","أكتوبر","نوفمبر","ديسمبر"],monthsShort:["يناير","فبراير","مارس","أبريل","مايو","يونيو","يوليو","أغسطس","سبتمبر","أكتوبر","نوفمبر","ديسمبر"],today:"هذا اليوم",rtl:!0}}(jQuery);
@@ -0,0 +1 @@
+!function(a){a.fn.datepicker.dates.sl={days:["Nedelja","Ponedeljek","Torek","Sreda","Četrtek","Petek","Sobota"],daysShort:["Ned","Pon","Tor","Sre","Čet","Pet","Sob"],daysMin:["Ne","Po","To","Sr","Če","Pe","So"],months:["Januar","Februar","Marec","April","Maj","Junij","Julij","Avgust","September","Oktober","November","December"],monthsShort:["Jan","Feb","Mar","Apr","Maj","Jun","Jul","Avg","Sep","Okt","Nov","Dec"],today:"Danes",weekStart:1}}(jQuery);
@@ -16667,7 +16667,7 @@ const PDFWorkerUtil = {
 {
  if (isNodeJS) {
    PDFWorkerUtil.isWorkerDisabled = true;
-    GlobalWorkerOptions.workerSrc ||= "./pdf.worker.mjs";
+    GlobalWorkerOptions.workerSrc ||= "./pdf.worker.js";
  }
  PDFWorkerUtil.isSameOrigin = function (baseUrl, otherUrl) {
    let base;
@@ -183,7 +183,7 @@ try {
                ];
                $.each(sequences, function(ignore, sequence) {
                    for (j = 0; j < word.length - 2; j += 1) {
-                        // iterate the word trough a sliding window of size 3:
+                        // iterate the word through a sliding window of size 3:
                        if (
                            sequence.indexOf(
                                word.toLowerCase().substring(j, j + 3)
@@ -828,7 +828,7 @@ const defaultOptions = {
    kind: OptionKind.WORKER
  },
  workerSrc: {
-    value: "../build/pdf.worker.mjs",
+    value: "../build/pdf.worker.js",
    kind: OptionKind.WORKER
  }
 };
@@ -49,7 +49,7 @@ function elementSorter(a, b) {
    return 0;
 }

-// Generic control/related handler to show/hide fields based on a checkbox' value
+// Generic control/related handler to show/hide fields based on a 'checkbox' value
 // e.g.
 //  <input type="checkbox" data-control="stuff-to-show">
 //  <div data-related="stuff-to-show">...</div>
@@ -63,7 +63,7 @@ $(document).on("change", "input[type=\"checkbox\"][data-control]", function () {
    });
 });

-// Generic control/related handler to show/hide fields based on a select' value
+// Generic control/related handler to show/hide fields based on a 'select' value
 $(document).on("change", "select[data-control]", function() {
    var $this = $(this);
    var name = $this.data("control");
@@ -79,7 +79,7 @@ $(document).on("change", "select[data-control]", function() {
    }
 });

-// Generic control/related handler to show/hide fields based on a select' value
+// Generic control/related handler to show/hide fields based on a 'select' value
 // this one is made to show all values if select value is not 0
 $(document).on("change", "select[data-controlall]", function() {
    var $this = $(this);
@@ -229,10 +229,12 @@ $("#delete_confirm").click(function(event) {
        postButton(event, getPath() + "/delete/" + deleteId + "/" + bookFormat);
    } else {
        if (ajaxResponse) {
-            path = getPath() + "/ajax/delete/" + deleteId;
            $.ajax({
-                method:"post",
-                url: path,
+                url: getPath() + "/ajax/deletebook",
+                method: "post",
+                contentType: "application/json; charset=utf-8",
+                dataType: "json",
+                data: JSON.stringify({"bookid": [deleteId]}),
                timeout: 900,
                success:function(data) {
                    data.forEach(function(item) {
@@ -408,17 +410,17 @@ $(function() {
        });

        // fix for infinite scroll on CaliBlur Theme (#981)
-        if ($("body").hasClass("blur")) {
-            $(".col-sm-10").bind("scroll", function () {
-                if (
-                    $(this).scrollTop() + $(this).innerHeight() >=
-                    $(this)[0].scrollHeight
-                ) {
-                    $loadMore.infiniteScroll("loadNextPage");
-                    window.history.replaceState({}, null, $loadMore.infiniteScroll("getAbsolutePath"));
-                }
-            });
-        }
+
+        $(".col-sm-10").bind("scroll", function () {
+            if (
+                $(this).scrollTop() + $(this).innerHeight() >=
+                $(this)[0].scrollHeight
+            ) {
+                $loadMore.infiniteScroll("loadNextPage");
+                window.history.replaceState({}, null, $loadMore.infiniteScroll("getAbsolutePath"));
+            }
+        });
+
    }

    $("#restart").click(function() {
@@ -726,20 +728,20 @@ $(function() {
            url: getPath() + "/ajax/simulatedbchange",
            data: {config_calibre_dir: $("#config_calibre_dir").val(), csrf_token: $("input[name='csrf_token']").val()},
            success: function success(data) {
-                if ( data.change ) {
-                    if ( data.valid ) {
+                if ( !data.valid ) {
+                    $("#InvalidDialog").modal('show');
+                }
+                else{
+                    if ( data.change ) {
                        confirmDialog(
                            "db_submit",
                            "GeneralChangeModal",
                            0,
                            changeDbSettings
                        );
-                    }
-                    else {
-                        $("#InvalidDialog").modal('show');
-                    }
-                } else {
+                    } else {
                    changeDbSettings();
+                   }
                }
            }
        });
@@ -1,54 +0,0 @@
-/**
- * waits until queue is finished, meaning the book is done loading
- * @param callback
- */
-function qFinished(callback){
-    let timeout=setInterval(()=>{
-        if(reader.rendition.q.running===undefined)
-            clearInterval(timeout);
-            callback();
-        },300
-    )
-}
-
-function calculateProgress(){
-    let data=reader.rendition.location.end;
-    return Math.round(epub.locations.percentageFromCfi(data.cfi)*100);
-}
-
-// register new event emitter locationchange that fires on urlchange
-// source: https://stackoverflow.com/a/52809105/21941129
-(() => {
-    let oldPushState = history.pushState;
-    history.pushState = function pushState() {
-        let ret = oldPushState.apply(this, arguments);
-        window.dispatchEvent(new Event('locationchange'));
-        return ret;
-    };
-
-    let oldReplaceState = history.replaceState;
-    history.replaceState = function replaceState() {
-        let ret = oldReplaceState.apply(this, arguments);
-        window.dispatchEvent(new Event('locationchange'));
-        return ret;
-    };
-
-    window.addEventListener('popstate', () => {
-        window.dispatchEvent(new Event('locationchange'));
-    });
-})();
-
-window.addEventListener('locationchange',()=>{
-    let newPos=calculateProgress();
-    progressDiv.textContent=newPos+"%";
-});
-
-var epub=ePub(calibre.bookUrl)
-
-let progressDiv=document.getElementById("progress");
-
-qFinished(()=>{
-    epub.locations.generate().then(()=> {
-    window.dispatchEvent(new Event('locationchange'))
-});
-})
@@ -2,7 +2,7 @@

 var reader;

-(function() {
+(function () {
    "use strict";

    EPUBJS.filePath = calibre.filePath;
@@ -10,7 +10,7 @@ var reader;

    reader = ePubReader(calibre.bookUrl, {
        restore: true,
-        bookmarks: calibre.bookmark ? [calibre.bookmark] : []
+        bookmarks: calibre.bookmark ? [calibre.bookmark] : [],
    });

    Object.keys(themes).forEach(function (theme) {
@@ -52,6 +52,95 @@ var reader;
        }
    });

+    // Update progress percentage
+    let progressDiv = document.getElementById("progress");
+    // Pages counter (virtual pages via EPUB locations)
+    let pagesDiv = document.getElementById("pages-count");
+    // Honor saved visibility preference for pages counter
+    (function () {
+        try {
+            var pref = localStorage.getItem("calibre.reader.showPages");
+            var show = pref === null ? true : pref === "true";
+            if (pagesDiv)
+                pagesDiv.style.visibility = show ? "visible" : "hidden";
+        } catch (e) {}
+    })();
+
+    reader.book.ready.then(() => {
+        let locations_key = reader.book.key() + "-locations";
+        // Key to persist last-read position for this book in localStorage
+        let position_key = "calibre.reader.position." + reader.book.key();
+        let stored_locations = localStorage.getItem(locations_key);
+        let make_locations, save_locations;
+        if (stored_locations) {
+            make_locations = Promise.resolve(
+                reader.book.locations.load(stored_locations)
+            );
+            // No-op because locations are already saved
+            save_locations = () => {};
+        } else {
+            make_locations = reader.book.locations.generate();
+            save_locations = () => {
+                localStorage.setItem(
+                    locations_key,
+                    reader.book.locations.save()
+                );
+            };
+        }
+        make_locations
+            .then(() => {
+                // Try to restore last position (CFI) from localStorage if present
+                try {
+                    var _savedPos = localStorage.getItem(position_key);
+                    if (_savedPos) {
+                        try {
+                            var _posObj = JSON.parse(_savedPos);
+                            if (_posObj && _posObj.cfi) {
+                                // Display the saved CFI location
+                                try {
+                                    reader.rendition.display(_posObj.cfi);
+                                } catch (e) {}
+                            }
+                        } catch (e) {}
+                    }
+                } catch (e) {}
+
+                reader.rendition.on("relocated", (location) => {
+                    let percentage = Math.round(location.end.percentage * 100);
+                    progressDiv.textContent = percentage + "%";
+
+                    // Pages based on generated EPUB locations (CFI positions)
+                    const cfi = location.start.cfi;
+                    const current =
+                        reader.book.locations.locationFromCfi(cfi) || 0; // 1-based index typically
+                    const total = reader.book.locations.length() || 0;
+
+                    if (total > 0) {
+                        pagesDiv.textContent = current + "/" + total;
+                        pagesDiv.style.visibility = "visible";
+                    } else {
+                        pagesDiv.textContent = "";
+                        pagesDiv.style.visibility = "hidden";
+                    }
+
+                    // Persist last position (CFI + percentage) to localStorage so reader can restore on next open
+                    try {
+                        var posObj = {
+                            cfi: location.start.cfi,
+                            percentage: location.start.percentage,
+                        };
+                        localStorage.setItem(
+                            position_key,
+                            JSON.stringify(posObj)
+                        );
+                    } catch (e) {}
+                });
+                reader.rendition.reportLocation();
+                progressDiv.style.visibility = "visible";
+            })
+            .then(save_locations);
+    });
+
    /**
     * @param {string} action - Add or remove bookmark
     * @param {string|int} location - Location or zero
@@ -59,11 +148,15 @@ var reader;
    function updateBookmark(action, location) {
        // Remove other bookmarks (there can only be one)
        if (action === "add") {
-            this.settings.bookmarks.filter(function (bookmark) {
-                return bookmark && bookmark !== location;
-            }).map(function (bookmark) {
-                this.removeBookmark(bookmark);
-            }.bind(this));
+            this.settings.bookmarks
+                .filter(function (bookmark) {
+                    return bookmark && bookmark !== location;
+                })
+                .map(
+                    function (bookmark) {
+                        this.removeBookmark(bookmark);
+                    }.bind(this)
+                );
        }

        var csrftoken = $("input[name='csrf_token']").val();
@@ -72,7 +165,7 @@ var reader;
        $.ajax(calibre.bookmarkUrl, {
            method: "post",
            data: { bookmark: location || "" },
-            headers: { "X-CSRFToken": csrftoken }
+            headers: { "X-CSRFToken": csrftoken },
        }).fail(function (xhr, status, error) {
            alert(error);
        });
@@ -81,4 +174,17 @@ var reader;
    // Default settings load
    const theme = localStorage.getItem("calibre.reader.theme") ?? "lightTheme";
    selectTheme(theme);
+
+    // Restore saved font and font size after reader is ready
+    reader.book.ready.then(() => {
+        const savedFontSize = localStorage.getItem("calibre.reader.fontSize");
+        if (savedFontSize) {
+            reader.rendition.themes.fontSize(`${savedFontSize}%`);
+        }
+
+        const savedFont = localStorage.getItem("calibre.reader.font");
+        if (savedFont && window.selectFont) {
+            window.selectFont(savedFont);
+        }
+    });
 })();
@@ -81,20 +81,78 @@ $(function() {
                $("#merge_books").addClass("disabled");
                $("#merge_books").attr("aria-disabled", true);
            }
+            if (selections.length >= 1) {
+                $("#delete_selected_books").removeClass("disabled");
+                $("#delete_selected_books").attr("aria-disabled", false);
+
+                $("#archive_selected_books").removeClass("disabled");
+                $("#archive_selected_books").attr("aria-disabled", false);
+
+                $("#unarchive_selected_books").removeClass("disabled");
+                $("#unarchive_selected_books").attr("aria-disabled", false);
+
+                $("#read_selected_books").removeClass("disabled");
+                $("#read_selected_books").attr("aria-disabled", false);
+
+                $("#unread_selected_books").removeClass("disabled");
+                $("#unread_selected_books").attr("aria-disabled", false);
+
+                $("#edit_selected_books").removeClass("disabled");
+                $("#edit_selected_books").attr("aria-disabled", false);
+            } else {
+                $("#delete_selected_books").addClass("disabled");
+                $("#delete_selected_books").attr("aria-disabled", true);
+
+                $("#archive_selected_books").addClass("disabled");
+                $("#archive_selected_books").attr("aria-disabled", true);
+
+                $("#unarchive_selected_books").addClass("disabled");
+                $("#unarchive_selected_books").attr("aria-disabled", true);
+
+                $("#read_selected_books").addClass("disabled");
+                $("#read_selected_books").attr("aria-disabled", true);
+
+                $("#unread_selected_books").addClass("disabled");
+                $("#unread_selected_books").attr("aria-disabled", true);
+
+                $("#edit_selected_books").addClass("disabled");
+                $("#edit_selected_books").attr("aria-disabled", true);
+            }
            if (selections.length < 1) {
-                $("#delete_selection").addClass("disabled");
-                $("#delete_selection").attr("aria-disabled", true);
+                // $("#book_delete_selection").addClass("disabled");
+                // $("#book_delete_selection").attr("aria-disabled", true);
                $("#table_xchange").addClass("disabled");
                $("#table_xchange").attr("aria-disabled", true);
            } else {
-                $("#delete_selection").removeClass("disabled");
-                $("#delete_selection").attr("aria-disabled", false);
+                // $("#book_delete_selection").removeClass("disabled");
+                // $("#book_delete_selection").attr("aria-disabled", false);
                $("#table_xchange").removeClass("disabled");
                $("#table_xchange").attr("aria-disabled", false);
-
            }
+            handle_header_buttons();
        });
-    $("#delete_selection").click(function() {
+
+    // Small block to initialize the state of the author/title sort inputs in metadata form
+    {
+        let checkA = $('#autoupdate_authorsort').prop('checked');
+        $('#author_sort_input').prop('disabled', checkA);
+        let checkT = $('#autoupdate_titlesort').prop('checked');
+        $('#title_sort_input').prop('disabled', checkT);
+    }
+
+    // Disable/enable author and title sort input in respect to auto-update title/author sort being checked on or not
+    $("#autoupdate_authorsort").on('change', function(event) {
+            let checkA = $('#autoupdate_authorsort').prop('checked');
+            $('#author_sort_input').prop('disabled', checkA);
+    })
+
+    $("#autoupdate_titlesort").on('change', function(event) {
+            let checkT = $('#autoupdate_titlesort').prop('checked');
+            $('#title_sort_input').prop('disabled', checkT);
+    })
+    /////
+
+    $("#book_delete_selection").click(function () {
        $("#books-table").bootstrapTable("uncheckAll");
    });

@@ -103,7 +161,7 @@ $(function() {
            method:"post",
            contentType: "application/json; charset=utf-8",
            dataType: "json",
-            url: window.location.pathname + "/../ajax/mergebooks",
+            url: getPath() + "/ajax/mergebooks",
            data: JSON.stringify({"Merge_books":selections}),
            success: function success() {
                $("#books-table").bootstrapTable("refresh");
@@ -122,7 +180,7 @@ $(function() {
            method:"post",
            contentType: "application/json; charset=utf-8",
            dataType: "json",
-            url: window.location.pathname + "/../ajax/simulatemerge",
+            url: getPath() + "/ajax/simulatemerge",
            data: JSON.stringify({"Merge_books":selections}),
            success: function success(booTitles) {
                $('#merge_from').empty();
@@ -135,12 +193,256 @@ $(function() {
        });
    });

+    $("#edit_selected_books").click(function(event) {
+        if ($(this).hasClass("disabled")) {
+            event.stopPropagation()
+        } else {
+            $('#edit_selected_modal').modal("show");
+        }
+    });
+
+    $("#edit_selected_confirm").click(function(event) {
+        $.ajax({
+            method:"post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/ajax/editselectedbooks",
+            data: JSON.stringify({
+                "selections": selections,
+                "title": $("#title_input").val(),
+                "title_sort": $("#title_sort_input").val(),
+                "author_sort": $("#author_sort_input").val(),
+                "authors": $("#authors_input").val(),
+                "categories": $("#categories_input").val(),
+                "series": $("#series_input").val(),
+                "languages": $("#languages_input").val(),
+                "publishers": $("#publishers_input").val(),
+                "comments": $("#comments_input").val().toString(),
+                "checkA": $('#autoupdate_authorsort').prop('checked'),
+                "checkT": $('#autoupdate_titlesort').prop('checked')
+            }),
+            success: function success(data) {
+                let result = "";
+                $("#books-table").bootstrapTable("refresh");
+                $("#books-table").bootstrapTable("uncheckAll");
+
+                $("#title_input").val("");
+                $("#title_sort_input").val("");
+                $("#author_sort_input").val("");
+                $("#authors_input").val("");
+                $("#categories_input").val("");
+                $("#series_input").val("");
+                $("#languages_input").val("");
+                $("#publishers_input").val("");
+                $("#comments_input").val("");
+
+                $("#flash_success").remove();
+                $("#flash_danger").remove();
+
+                if (!jQuery.isEmptyObject(data)) {
+                    data.forEach(function(item) {
+                        if (item.success === true) {
+                            result = "success";
+                        } else {
+                            result = "danger";
+                        }
+                        $(".navbar").after('<div class="row-fluid text-center">' +
+                            '<div id="flash_' + result + '" class="alert alert-' + result + '">' + item.msg + '</div>' +
+                            '</div>');
+                    });
+                }
+                $(".table.table-striped").bootstrapTable("refresh");
+                // handleListServerResponse(data);
+            }
+        });
+    });
+
+    $(document).on('click', '#archive_selected_books', function(event) {
+        if ($(this).hasClass("disabled")) {
+            event.stopPropagation()
+        } else {
+            $('#archive_selected_modal').modal("show");
+        }
+        $.ajax({
+            method:"post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/ajax/displayselectedbooks",
+            data: JSON.stringify({"selections":selections}),
+            success: function success(booTitles) {
+                $('#display-archive-selected-books').empty();
+                $.each(booTitles.books, function(i, item) {
+                    $("<span>- " + item + "</span><p></p>").appendTo("#display-archive-selected-books");
+                });
+
+            }
+        });
+    });
+
+    /*$(document).on('click', '#archive_selected_confirm', function(event) {
+        $.ajax({
+            method:"post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/ajax/archiveselectedbooks",
+            data: JSON.stringify({"selections":selections, "archive": true}),
+            success: function success(booTitles) {
+                $("#books-table").bootstrapTable("refresh");
+                $("#books-table").bootstrapTable("uncheckAll");
+            }
+        });
+    });
+
+    $(document).on('click', '#unarchive_selected_books', function(event) {
+        if ($(this).hasClass("disabled")) {
+            event.stopPropagation()
+        } else {
+            $('#unarchive_selected_modal').modal("show");
+        }
+        $.ajax({
+            method:"post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/ajax/displayselectedbooks",
+            data: JSON.stringify({"selections":selections}),
+            success: function success(booTitles) {
+                $('#display-unarchive-selected-books').empty();
+                $.each(booTitles.books, function(i, item) {
+                    $("<span>- " + item + "</span><p></p>").appendTo("#display-unarchive-selected-books");
+                });
+
+            }
+        });
+    });
+
+    $(document).on('click', '#unarchive_selected_confirm', function(event) {
+        $.ajax({
+            method:"post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/ajax/archiveselectedbooks",
+            data: JSON.stringify({"selections":selections, "archive": false}),
+            success: function success(booTitles) {
+                $("#books-table").bootstrapTable("refresh");
+                $("#books-table").bootstrapTable("uncheckAll");
+            }
+        });
+    });
+
+    $(document).on('click', '#delete_selected_books', function(event) {
+        if ($(this).hasClass("disabled")) {
+            event.stopPropagation()
+        } else {
+            $('#delete_selected_modal').modal("show");
+        }
+        $.ajax({
+            method:"post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/ajax/displayselectedbooks",
+            data: JSON.stringify({"selections":selections}),
+            success: function success(booTitles) {
+                $('#display-delete-selected-books').empty();
+                $.each(booTitles.books, function(i, item) {
+                    $("<span>- " + item + "</span><p></p>").appendTo("#display-delete-selected-books");
+                });
+
+            }
+        });
+    });
+
+    $(document).on('click', '#delete_selected_confirm', function(event) {
+        $.ajax({
+            method:"post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/ajax/deleteselectedbooks",
+            data: JSON.stringify({"selections":selections}),
+            success: function success(booTitles) {
+                $("#books-table").bootstrapTable("refresh");
+                $("#books-table").bootstrapTable("uncheckAll");
+            }
+        });
+    });
+
+    $(document).on('click', '#read_selected_books', function(event) {
+        if ($(this).hasClass("disabled")) {
+            event.stopPropagation()
+        } else {
+            $('#read_selected_modal').modal("show");
+        }
+        $.ajax({
+            method:"post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/ajax/displayselectedbooks",
+            data: JSON.stringify({"selections":selections}),
+            success: function success(booTitles) {
+                $('#display-read-selected-books').empty();
+                $.each(booTitles.books, function(i, item) {
+                    $("<span>- " + item + "</span><p></p>").appendTo("#display-read-selected-books");
+                });
+
+            }
+        });
+    });
+
+    $(document).on('click', '#read_selected_confirm', function(event) {
+        $.ajax({
+            method:"post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/ajax/readselectedbooks",
+            data: JSON.stringify({"selections":selections, "markAsRead": true}),
+            success: function success(booTitles) {
+                $("#books-table").bootstrapTable("refresh");
+                $("#books-table").bootstrapTable("uncheckAll");
+            }
+        });
+    });
+
+    $(document).on('click', '#unread_selected_books', function(event) {
+        if ($(this).hasClass("disabled")) {
+            event.stopPropagation()
+        } else {
+            $('#unread_selected_modal').modal("show");
+        }
+        $.ajax({
+            method:"post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/ajax/displayselectedbooks",
+            data: JSON.stringify({"selections":selections}),
+            success: function success(booTitles) {
+                $('#display-unread-selected-books').empty();
+                $.each(booTitles.books, function(i, item) {
+                    $("<span>- " + item + "</span><p></p>").appendTo("#display-unread-selected-books");
+                });
+
+            }
+        });
+    });
+
+    $(document).on('click', '#unread_selected_confirm', function(event) {
+        $.ajax({
+            method:"post",
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            url: getPath() + "/ajax/readselectedbooks",
+            data: JSON.stringify({"selections":selections, "markAsRead": false}),
+            success: function success(booTitles) {
+                $("#books-table").bootstrapTable("refresh");
+                $("#books-table").bootstrapTable("uncheckAll");
+            }
+        });
+    });*/
+
    $("#table_xchange").click(function() {
        $.ajax({
            method:"post",
            contentType: "application/json; charset=utf-8",
            dataType: "json",
-            url: window.location.pathname + "/../ajax/xchange",
+            url: getPath() + "/ajax/xchange",
            data: JSON.stringify({"xchange":selections}),
            success: function success() {
                $("#books-table").bootstrapTable("refresh");
@@ -157,6 +459,10 @@ $(function() {
                editable: {
                    mode: "inline",
                    emptytext: "<span class='glyphicon glyphicon-plus'></span>",
+                    ajaxOptions: {
+                        contentType: "application/json; charset=utf-8",
+                        dataType: "json",
+                    },
                    success: function (response, __) {
                        if (!response.success) return response.msg;
                        return {newValue: response.newValue};
@@ -164,7 +470,8 @@ $(function() {
                    params: function (params) {
                        params.checkA = $('#autoupdate_authorsort').prop('checked');
                        params.checkT = $('#autoupdate_titlesort').prop('checked');
-                        return params
+                        params.pk = [params.pk];
+                        return JSON.stringify(params);
                    }
                }
            };
@@ -198,7 +505,7 @@ $(function() {
        searchAlign: "left",
        showSearchButton : true,
        searchOnEnterKey: true,
-        checkboxHeader: false,
+        checkboxHeader: true,
        maintainMetaData: true,
        responseHandler: responseHandler,
        columns: column,
@@ -212,7 +519,7 @@ $(function() {
                $.ajax({
                    method:"get",
                    dataType: "json",
-                    url: window.location.pathname + "/../ajax/sort_value/" + field + "/" + row.id,
+                    url: getPath() + "/ajax/sort_value/" + field + "/" + row.id,
                    success: function success(data) {
                        var key = Object.keys(data)[0];
                        $("#books-table").bootstrapTable("updateCellByUniqueId", {
@@ -224,6 +531,66 @@ $(function() {
                });
            }
        },
+        onPostBody () {
+            // Remove all checkboxes from Headers for showing the texts in the column selector
+            $('.columns [data-field]').each(function(){
+                var elText = $(this).next().text();
+                $(this).next().empty();
+                var index = elText.lastIndexOf('\n', elText.length - 2);
+                if ( index > -1) {
+                    elText = elText.substr(index);
+                }
+                $(this).next().text(elText);
+            });
+        },
+        onPostHeader() {
+            $(".form-check").each(function () {
+                var item = $(this).parent();
+                var parent = item.parent().parent();
+                if (parent.prop('nodeName') === "TH") {
+                    item.prependTo(parent);
+                }
+            });
+
+            if ($(".button_head").length) {
+                if (!$._data($(".button_head").get(0), "events")) {
+                    $(".button_head").on("click", function () {
+                        var result = $('#books-table').bootstrapTable('getSelections').map(a => a.id);
+                        confirmDialog(
+                            "btndelbook",
+                            "GeneralDeleteModal",
+                            0,
+                            function () {
+                                $.ajax({
+                                    method: "post",
+                                    url: getPath() + "/ajax/deletebook",
+                                    contentType: "application/json; charset=utf-8",
+                                    dataType: "json",
+                                    data: JSON.stringify({"bookid": result}),
+                                    success: function (data) {
+                                        selections = selections.filter((el) => !result.includes(el));
+                                        handleListServerResponse(data);
+                                    },
+                                    error: function (data) {
+                                        handleListServerResponse([{type: "danger", message: data.responseText}])
+                                    },
+                                });
+                            }
+                        );
+                    });
+                }
+            }
+            if ($(".check_head").length) {
+                if (!$._data($(".check_head").get(0), "events")) {
+                    $(".check_head").on("change", function () {
+                        var val = $(this).data("set");
+                        var name = $(this).data("name");
+                        var data = $(this).data("val");
+                        bookCheckboxHeader(val, name, data);
+                    });
+                }
+            }
+        },
        // eslint-disable-next-line no-unused-vars
        onColumnSwitch: function (field, checked) {
            var visible = $("#books-table").bootstrapTable("getVisibleColumns");
@@ -240,10 +607,16 @@ $(function() {
                method:"post",
                contentType: "application/json; charset=utf-8",
                dataType: "json",
-                url: window.location.pathname + "/../ajax/table_settings",
+                url: getPath() + "/ajax/table_settings",
                data: "{" + st + "}",
            });
+            handle_header_buttons();
        },
+        onLoadSuccess: function() {
+            $("input:radio.check_head:checked").each(function () {
+                $(this).prop('checked', false);
+            });
+        }
    });

    $("#domain_allow_submit").click(function(event) {
@@ -252,7 +625,7 @@ $(function() {
        $(this).closest("form").submit();
        $.ajax ({
            method:"get",
-            url: window.location.pathname + "/../../ajax/domainlist/1",
+            url: getPath() + "/ajax/domainlist/1",
            async: true,
            timeout: 900,
            success:function(data) {
@@ -273,7 +646,7 @@ $(function() {
        $(this).closest("form").submit();
        $.ajax ({
            method:"get",
-            url: window.location.pathname + "/../../ajax/domainlist/0",
+            url: getPath() + "/ajax/domainlist/0",
            async: true,
            timeout: 900,
            success:function(data) {
@@ -291,12 +664,12 @@ $(function() {
    function domainHandle(domainId) {
        $.ajax({
            method:"post",
-            url: window.location.pathname + "/../../ajax/deletedomain",
+            url: getPath() + "/ajax/deletedomain",
            data: {"domainid":domainId}
        });
        $.ajax({
            method:"get",
-            url: window.location.pathname + "/../../ajax/domainlist/1",
+            url: getPath() + "/ajax/domainlist/1",
            async: true,
            timeout: 900,
            success:function(data) {
@@ -305,7 +678,7 @@ $(function() {
        });
        $.ajax({
            method:"get",
-            url: window.location.pathname + "/../../ajax/domainlist/0",
+            url: getPath() + "/ajax/domainlist/0",
            async: true,
            timeout: 900,
            success:function(data) {
@@ -541,7 +914,7 @@ $(function() {
                method:"post",
                contentType: "application/json; charset=utf-8",
                dataType: "json",
-                url: window.location.pathname + "/../../ajax/user_table_settings",
+                url: getPath() + "/ajax/user_table_settings",
                data: "{" + st + "}",
            });
            handle_header_buttons();
@@ -567,8 +940,8 @@ $(function() {

 function handle_header_buttons () {
    if (selections.length < 1) {
-        $("#user_delete_selection").addClass("disabled");
-        $("#user_delete_selection").attr("aria-disabled", true);
+        $(".mass_selection").addClass("disabled");
+        $(".mass_selection").attr("aria-disabled", true);
        $(".check_head").attr("aria-disabled", true);
        $(".check_head").attr("disabled", true);
        $(".check_head").prop('checked', false);
@@ -580,8 +953,8 @@ function handle_header_buttons () {
        $(".multi_selector").attr("disabled", true);
        $(".header_select").attr("disabled", true);
    } else {
-        $("#user_delete_selection").removeClass("disabled");
-        $("#user_delete_selection").attr("aria-disabled", false);
+        $(".mass_selection").removeClass("disabled");
+        $(".mass_selection").attr("aria-disabled", false);
        $(".check_head").attr("aria-disabled", false);
        $(".check_head").removeAttr("disabled");
        $(".button_head").attr("aria-disabled", false);
@@ -590,8 +963,10 @@ function handle_header_buttons () {
        $(".multi_head").removeClass("hidden");
        $(".multi_selector").attr("aria-disabled", false);
        $(".multi_selector").removeAttr("disabled");
-        $('.multi_selector').selectpicker('refresh');
        $(".header_select").removeAttr("disabled");
+        if (typeof $.fn.selectpicker === "function") {
+            $('.multi_selector').selectpicker('refresh');
+        }
    }
 }

@@ -685,6 +1060,17 @@ function ratingFormatter(value, row) {
    return (value/2);
 }

+function seriesIndexFormatter(value, row) {
+    if (!value) {
+        return value;
+    }
+    formated_value = Number(value).toFixed(2);
+    if (formated_value.endsWith(".00")) {
+        formated_value = parseInt(formated_value).toString();
+    }
+    return formated_value;
+}
+

 /* Do some hiding disabling after user list is loaded */
 function loadSuccess() {
@@ -707,7 +1093,7 @@ function loadSuccess() {
    $("input[data-name='passwd_role'][data-pk='"+guest.data("pk")+"']").prop("disabled", true);
    $("input[data-name='edit_shelf_role'][data-pk='"+guest.data("pk")+"']").prop("disabled", true);
    $("input[data-name='sidebar_read_and_unread'][data-pk='"+guest.data("pk")+"']").prop("disabled", true);
-    $(".user-remove[data-pk='"+guest.data("pk")+"']").hide();
+    $(".user-remove[data-pk='" + guest.data("pk") + "']").hide();
 }

 function move_header_elements() {
@@ -749,7 +1135,7 @@ function move_header_elements() {
                    function () {
                        $.ajax({
                            method: "post",
-                            url: window.location.pathname + "/../../ajax/editlistusers/" + field,
+                            url: getPath() + "/ajax/editlistusers/" + field,
                            data: {"pk": result, "value": values, "action": val},
                            success: function (data) {
                                handleListServerResponse(data);
@@ -763,7 +1149,6 @@ function move_header_elements() {
            });
        }
    }
-
    $("#user_delete_selection").click(function () {
        $("#user-table").bootstrapTable("uncheckAll");
    });
@@ -794,8 +1179,10 @@ function move_header_elements() {
                    function () {
                        $.ajax({
                            method: "post",
-                            url: window.location.pathname + "/../../ajax/deleteuser",
-                            data: {"userid": result},
+                            url: getPath() + "/ajax/deleteuser",
+                            contentType: "application/json; charset=utf-8",
+                            dataType: "json",
+                            data: JSON.stringify({"userid": result}),
                            success: function (data) {
                                selections = selections.filter((el) => !result.includes(el));
                                handleListServerResponse(data);
@@ -821,7 +1208,7 @@ function handleListServerResponse (data) {
                '</div>');
        });
    }
-    $("#user-table").bootstrapTable("refresh");
+    $(".table.table-striped").bootstrapTable("refresh");
 }

 function checkboxChange(checkbox, userId, field, field_index) {
@@ -836,13 +1223,15 @@ function checkboxChange(checkbox, userId, field, field_index) {
    });
 }

-function BookCheckboxChange(checkbox, userId, field) {
+function BookCheckboxChange(checkbox, bookId, field) {
    var value = checkbox.checked ? "True" : "False";
    var element = checkbox;
    $.ajax({
        method: "post",
        url: getPath() + "/ajax/editbooks/" + field,
-        data: {"pk": userId, "value": value},
+        data: JSON.stringify({"pk": [bookId], "value": value}),
+        contentType: "application/json; charset=utf-8",
+        dataType: "json",
        error: function(data) {
            element.checked = !element.checked;
            handleListServerResponse([{type:"danger", message:data.responseText}])
@@ -851,14 +1240,13 @@ function BookCheckboxChange(checkbox, userId, field) {
    });
 }

-
 function selectHeader(element, field) {
    if (element.value !== "None") {
        confirmDialog(element.id, "GeneralChangeModal", 0, function () {
            var result = $('#user-table').bootstrapTable('getSelections').map(a => a.id);
            $.ajax({
                method: "post",
-                url: window.location.pathname + "/../../ajax/editlistusers/" + field,
+                url: getPath() + "/ajax/editlistusers/" + field,
                data: {"pk": result, "value": element.value},
                error: function (data) {
                    handleListServerResponse([{type:"danger", message:data.responseText}])
@@ -871,12 +1259,35 @@ function selectHeader(element, field) {
    }
 }

+function bookCheckboxHeader(CheckboxState, text, field_index) {
+    confirmDialog(text, "GeneralChangeModal", 0, function() {
+        var result = $('#books-table').bootstrapTable('getSelections').map(a => a.id);
+        $.ajax({
+            method: "post",
+            url: getPath() + "/ajax/editbooks/" + field_index,
+            data: JSON.stringify({"pk": result, "field_index": field_index, "value": CheckboxState, multi: "True"}),
+            contentType: "application/json; charset=utf-8",
+            dataType: "json",
+            error: function (data) {
+                handleListServerResponse([{type:"danger", message:data.responseText}])
+            },
+            success: function (data) {
+                handleListServerResponse (data, true)
+            },
+        });
+    },function() {
+        $("input:radio.check_head:checked").each(function() {
+            $(this).prop('checked', false);
+        });
+    });
+}
+
 function checkboxHeader(CheckboxState, field, field_index) {
    confirmDialog(field, "GeneralChangeModal", 0, function() {
        var result = $('#user-table').bootstrapTable('getSelections').map(a => a.id);
        $.ajax({
            method: "post",
-            url: window.location.pathname + "/../../ajax/editlistusers/" + field,
+            url: getPath() + "/ajax/editlistusers/" + field,
            data: {"pk": result, "field_index": field_index, "value": CheckboxState},
            error: function (data) {
                handleListServerResponse([{type:"danger", message:data.responseText}])
@@ -892,7 +1303,7 @@ function checkboxHeader(CheckboxState, field, field_index) {
    });
 }

-function deleteUser(a,id){
+function deleteUser(a, id){
    confirmDialog(
    "btndeluser",
        "GeneralDeleteModal",
@@ -900,8 +1311,10 @@ function deleteUser(a,id){
        function() {
            $.ajax({
                method:"post",
-                url: window.location.pathname + "/../../ajax/deleteuser",
-                data: {"userid":id},
+                url: getPath() + "/ajax/deleteuser",
+                contentType: "application/json; charset=utf-8",
+                dataType: "json",
+                data: JSON.stringify({"userid": [id]}),
                success: function (data) {
                    userId = parseInt(id, 10);
                    selections = selections.filter(item => item !== userId);
@@ -928,8 +1341,10 @@ function storeLocation() {
 function user_handle (userId) {
    $.ajax({
        method:"post",
-        url: window.location.pathname + "/../../ajax/deleteuser",
-        data: {"userid":userId}
+        contentType: "application/json; charset=utf-8",
+        dataType: "json",
+        data: JSON.stringify({"userid": [userId]}),
+        url: getPath() + "/ajax/deleteuser",
    });
    $("#user-table").bootstrapTable("refresh");
 }
@@ -937,6 +1352,5 @@ function user_handle (userId) {
 function shorten_html(value, response) {
    if(value) {
        $(this).html("[...]");
-        // value.split('\n').slice(0, 2).join("") +
    }
 }
@@ -19,5 +19,5 @@ import re


 def strip_whitespaces(text):
-    return re.sub("(^[\s\u200B-\u200D\ufeff]+)|([\s\u200B-\u200D\ufeff]+$)","", text)
+    return re.sub(r"(^[\s\u200B-\u200D\ufeff]+)|([\s\u200B-\u200D\ufeff]+$)","", text)

@@ -18,7 +18,7 @@

 import os
 import re
-from glob import glob
+import glob
 from shutil import copyfile, copyfileobj
 from markupsafe import escape
 from time import time
@@ -28,7 +28,7 @@ from sqlalchemy.exc import SQLAlchemyError
 from flask_babel import lazy_gettext as N_

 from cps.services.worker import CalibreTask
-from cps import db
+from cps import db, app
 from cps import logger, config
 from cps.subproc_wrapper import process_open
 from flask_babel import gettext as _
@@ -60,36 +60,39 @@ class TaskConvert(CalibreTask):
        self.results = dict()

    def run(self, worker_thread):
+        df_cover = None
+        cur_book = None
        self.worker_thread = worker_thread
        if config.config_use_google_drive:
-            worker_db = db.CalibreDB(expire_on_commit=False, init=True)
-            cur_book = worker_db.get_book(self.book_id)
-            self.title = cur_book.title
-            data = worker_db.get_book_format(self.book_id, self.settings['old_book_format'])
-            df = gdriveutils.getFileFromEbooksFolder(cur_book.path,
-                                                     data.name + "." + self.settings['old_book_format'].lower())
-            df_cover = gdriveutils.getFileFromEbooksFolder(cur_book.path, "cover.jpg")
-            if df:
-                datafile_cover = None
-                datafile = os.path.join(config.get_book_path(),
-                                        cur_book.path,
-                                        data.name + "." + self.settings['old_book_format'].lower())
-                if df_cover:
-                    datafile_cover = os.path.join(config.get_book_path(),
-                                                  cur_book.path, "cover.jpg")
-                if not os.path.exists(os.path.join(config.get_book_path(), cur_book.path)):
-                    os.makedirs(os.path.join(config.get_book_path(), cur_book.path))
-                df.GetContentFile(datafile)
-                if df_cover:
-                    df_cover.GetContentFile(datafile_cover)
-                worker_db.session.close()
-            else:
-                # ToDo Include cover in error handling
-                error_message = _("%(format)s not found on Google Drive: %(fn)s",
-                                  format=self.settings['old_book_format'],
-                                  fn=data.name + "." + self.settings['old_book_format'].lower())
-                worker_db.session.close()
-                return self._handleError(error_message)
+            with app.app_context():
+                worker_db = db.CalibreDB(app)
+                cur_book = worker_db.get_book(self.book_id)
+                self.title = cur_book.title
+                data = worker_db.get_book_format(self.book_id, self.settings['old_book_format'])
+                df = gdriveutils.getFileFromEbooksFolder(cur_book.path,
+                                                         data.name + "." + self.settings['old_book_format'].lower())
+                df_cover = gdriveutils.getFileFromEbooksFolder(cur_book.path, "cover.jpg")
+                if df:
+                    datafile_cover = None
+                    datafile = os.path.join(config.get_book_path(),
+                                            cur_book.path,
+                                            data.name + "." + self.settings['old_book_format'].lower())
+                    if df_cover:
+                        datafile_cover = os.path.join(config.get_book_path(),
+                                                      cur_book.path, "cover.jpg")
+                    if not os.path.exists(os.path.join(config.get_book_path(), cur_book.path)):
+                        os.makedirs(os.path.join(config.get_book_path(), cur_book.path))
+                    df.GetContentFile(datafile)
+                    if df_cover:
+                        df_cover.GetContentFile(datafile_cover)
+                    # worker_db.session.close()
+                else:
+                    # ToDo Include cover in error handling
+                    error_message = _("%(format)s not found on Google Drive: %(fn)s",
+                                      format=self.settings['old_book_format'],
+                                      fn=data.name + "." + self.settings['old_book_format'].lower())
+                    # worker_db.session.close()
+                    return self._handleError(error_message)

        filename = self._convert_ebook_format()
        if config.config_use_google_drive:
@@ -124,88 +127,89 @@ class TaskConvert(CalibreTask):

    def _convert_ebook_format(self):
        error_message = None
-        local_db = db.CalibreDB(expire_on_commit=False, init=True)
-        file_path = self.file_path
-        book_id = self.book_id
-        format_old_ext = '.' + self.settings['old_book_format'].lower()
-        format_new_ext = '.' + self.settings['new_book_format'].lower()
+        with app.app_context():
+            local_db = db.CalibreDB(app)
+            file_path = self.file_path
+            book_id = self.book_id
+            format_old_ext = '.' + self.settings['old_book_format'].lower()
+            format_new_ext = '.' + self.settings['new_book_format'].lower()

-        # check to see if destination format already exists - or if book is in database
-        # if it does - mark the conversion task as complete and return a success
-        # this will allow to send to E-Reader workflow to continue to work
-        if os.path.isfile(file_path + format_new_ext) or\
-                local_db.get_book_format(self.book_id, self.settings['new_book_format']):
-            log.info("Book id %d already converted to %s", book_id, format_new_ext)
-            cur_book = local_db.get_book(book_id)
-            self.title = cur_book.title
-            self.results['path'] = cur_book.path
-            self.results['title'] = self.title
-            new_format = local_db.session.query(db.Data).filter(db.Data.book == book_id)\
-                .filter(db.Data.format == self.settings['new_book_format'].upper()).one_or_none()
-            if not new_format:
-                new_format = db.Data(name=os.path.basename(file_path),
-                                     book_format=self.settings['new_book_format'].upper(),
-                                     book=book_id, uncompressed_size=os.path.getsize(file_path + format_new_ext))
-                try:
-                    local_db.session.merge(new_format)
-                    local_db.session.commit()
-                except SQLAlchemyError as e:
-                    local_db.session.rollback()
-                    log.error("Database error: %s", e)
-                    local_db.session.close()
-                    self._handleError(N_("Oops! Database Error: %(error)s.", error=e))
-                    return
-                self._handleSuccess()
-                local_db.session.close()
-                return os.path.basename(file_path + format_new_ext)
-        else:
-            log.info("Book id %d - target format of %s does not exist. Moving forward with convert.",
-                     book_id,
-                     format_new_ext)
-
-        if config.config_kepubifypath and format_old_ext == '.epub' and format_new_ext == '.kepub':
-            check, error_message = self._convert_kepubify(file_path,
-                                                          format_old_ext,
-                                                          format_new_ext)
-        else:
-            # check if calibre converter-executable is existing
-            if not os.path.exists(config.config_converterpath):
-                self._handleError(N_("Calibre ebook-convert %(tool)s not found", tool=config.config_converterpath))
-                return
-            has_cover = local_db.get_book(book_id).has_cover
-            check, error_message = self._convert_calibre(file_path, format_old_ext, format_new_ext, has_cover)
-
-        if check == 0:
-            cur_book = local_db.get_book(book_id)
-            if os.path.isfile(file_path + format_new_ext):
-                new_format = local_db.session.query(db.Data).filter(db.Data.book == book_id) \
+            # check to see if destination format already exists - or if book is in database
+            # if it does - mark the conversion task as complete and return a success
+            # this will allow to send to E-Reader workflow to continue to work
+            if os.path.isfile(file_path + format_new_ext) or\
+                    local_db.get_book_format(self.book_id, self.settings['new_book_format']):
+                log.info("Book id %d already converted to %s", book_id, format_new_ext)
+                cur_book = local_db.get_book(book_id)
+                self.title = cur_book.title
+                self.results['path'] = cur_book.path
+                self.results['title'] = self.title
+                new_format = local_db.session.query(db.Data).filter(db.Data.book == book_id)\
                    .filter(db.Data.format == self.settings['new_book_format'].upper()).one_or_none()
                if not new_format:
-                    new_format = db.Data(name=cur_book.data[0].name,
+                    new_format = db.Data(name=os.path.basename(file_path),
                                         book_format=self.settings['new_book_format'].upper(),
                                         book=book_id, uncompressed_size=os.path.getsize(file_path + format_new_ext))
                    try:
                        local_db.session.merge(new_format)
                        local_db.session.commit()
-                        if self.settings['new_book_format'].upper() in ['KEPUB', 'EPUB', 'EPUB3']:
-                            ub_session = init_db_thread()
-                            remove_synced_book(book_id, True, ub_session)
-                            ub_session.close()
                    except SQLAlchemyError as e:
                        local_db.session.rollback()
                        log.error("Database error: %s", e)
                        local_db.session.close()
-                        self._handleError(error_message)
+                        self._handleError(N_("Oops! Database Error: %(error)s.", error=e))
                        return
-                self.results['path'] = cur_book.path
-                self.title = cur_book.title
-                self.results['title'] = self.title
-                if not config.config_use_google_drive:
                    self._handleSuccess()
-                return os.path.basename(file_path + format_new_ext)
+                    local_db.session.close()
+                    return os.path.basename(file_path + format_new_ext)
            else:
-                error_message = N_('%(format)s format not found on disk', format=format_new_ext.upper())
-        local_db.session.close()
+                log.info("Book id %d - target format of %s does not exist. Moving forward with convert.",
+                         book_id,
+                         format_new_ext)
+
+            if config.config_kepubifypath and format_old_ext == '.epub' and format_new_ext == '.kepub':
+                check, error_message = self._convert_kepubify(file_path,
+                                                              format_old_ext,
+                                                              format_new_ext)
+            else:
+                # check if calibre converter-executable is existing
+                if not os.path.exists(config.config_converterpath):
+                    self._handleError(N_("Calibre ebook-convert %(tool)s not found", tool=config.config_converterpath))
+                    return
+                has_cover = local_db.get_book(book_id).has_cover
+                check, error_message = self._convert_calibre(file_path, format_old_ext, format_new_ext, has_cover)
+
+            if check == 0:
+                cur_book = local_db.get_book(book_id)
+                if os.path.isfile(file_path + format_new_ext):
+                    new_format = local_db.session.query(db.Data).filter(db.Data.book == book_id) \
+                        .filter(db.Data.format == self.settings['new_book_format'].upper()).one_or_none()
+                    if not new_format:
+                        new_format = db.Data(name=cur_book.data[0].name,
+                                             book_format=self.settings['new_book_format'].upper(),
+                                             book=book_id, uncompressed_size=os.path.getsize(file_path + format_new_ext))
+                        try:
+                            local_db.session.merge(new_format)
+                            local_db.session.commit()
+                            if self.settings['new_book_format'].upper() in ['KEPUB', 'EPUB', 'EPUB3']:
+                                ub_session = init_db_thread()
+                                remove_synced_book(book_id, True, ub_session)
+                                ub_session.close()
+                        except SQLAlchemyError as e:
+                            local_db.session.rollback()
+                            log.error("Database error: %s", e)
+                            local_db.session.close()
+                            self._handleError(error_message)
+                            return
+                    self.results['path'] = cur_book.path
+                    self.title = cur_book.title
+                    self.results['title'] = self.title
+                    if not config.config_use_google_drive:
+                        self._handleSuccess()
+                    return os.path.basename(file_path + format_new_ext)
+                else:
+                    error_message = N_('%(format)s format not found on disk', format=format_new_ext.upper())
+            local_db.session.close()
        log.info("ebook converter failed with error while converting book")
        if not error_message:
            error_message = N_('Ebook converter failed with unknown error')
@@ -242,7 +246,7 @@ class TaskConvert(CalibreTask):

        # move file
        if check == 0:
-            converted_file = glob(os.path.splitext(filename)[0] + "*.kepub.epub")
+            converted_file = glob.glob(glob.escape(os.path.splitext(filename)[0]) + "*.kepub.epub")
            if len(converted_file) == 1:
                copyfile(converted_file[0], (file_path + format_new_ext))
                os.unlink(converted_file[0])
@@ -268,35 +272,48 @@ class TaskConvert(CalibreTask):

                opf_command = [calibredb_binarypath, 'show_metadata', '--as-opf', str(self.book_id),
                               '--with-library', library_path]
-                p = process_open(opf_command, quotes, my_env)
-                p.wait()
+                p = process_open(opf_command, quotes, my_env, newlines=False)
+                lines = list()
+                while p.poll() is None:
+                    lines.append(p.stdout.readline())
                check = p.returncode
                calibre_traceback = p.stderr.readlines()
                if check == 0:
                    path_tmp_opf = os.path.join(tmp_dir, "metadata_" + str(uuid4()) + ".opf")
-                    with open(path_tmp_opf, 'w') as fd:
-                        copyfileobj(p.stdout, fd)
+                    with open(path_tmp_opf, 'wb') as fd:
+                        fd.write(b''.join(lines))
                else:
                    error_message = ""
                    for ele in calibre_traceback:
+                        ele = ele.decode('utf-8', errors="ignore").strip('\n')
+                        log.debug(ele)
                        if not ele.startswith('Traceback') and not ele.startswith('  File'):
                            error_message = N_("Calibre failed with error: %(error)s", error=ele)
                    return check, error_message
-            quotes = [1, 2, 4, 6]
+            quotes = [1, 2]
+            quotes_index = 3
            command = [config.config_converterpath, (file_path + format_old_ext),
                       (file_path + format_new_ext)]
            if config.config_embed_metadata:
+                quotes.append(4)
+                quotes_index = 5
                command.extend(['--from-opf', path_tmp_opf])
-            if has_cover:
-                command.extend(['--cover', os.path.join(os.path.dirname(file_path), 'cover.jpg')])
-            quotes_index = 3
+                if has_cover:
+                    quotes.append(6)
+                    command.extend(['--cover', os.path.join(os.path.dirname(file_path), 'cover.jpg')])
+                    quotes_index = 7
            if config.config_calibre:
-                parameters = config.config_calibre.split(" ")
-                for param in parameters:
-                    command.append(param)
-                    quotes.append(quotes_index)
-                    quotes_index += 1
-
+                parameters = re.findall(r"(--[\w-]+)(?:(\s(?:(\".+\")|(?:.+?)))(?:\s|$))?",
+                                        config.config_calibre, re.IGNORECASE | re.UNICODE)
+                if parameters:
+                    for param in parameters:
+                        command.append(strip_whitespaces(param[0]))
+                        quotes_index += 1
+                        if param[1] != "":
+                            parsed = strip_whitespaces(param[1]).strip("\"")
+                            command.append(parsed)
+                            quotes.append(quotes_index)
+                            quotes_index += 1
            p = process_open(command, quotes, newlines=False)
        except OSError as e:
            return 1, N_("Ebook-converter failed: %(error)s", error=e)
@@ -18,7 +18,7 @@

 from flask_babel import lazy_gettext as N_

-from cps import config, logger, db, ub
+from cps import config, logger, db, ub, app
 from cps.services.worker import CalibreTask


@@ -26,11 +26,13 @@ class TaskReconnectDatabase(CalibreTask):
    def __init__(self, task_message=N_('Reconnecting Calibre database')):
        super(TaskReconnectDatabase, self).__init__(task_message)
        self.log = logger.create()
-        self.calibre_db = db.CalibreDB(expire_on_commit=False, init=True)
+        # self.calibre_db = db.CalibreDB(expire_on_commit=False, init=True)

    def run(self, worker_thread):
-        self.calibre_db.reconnect_db(config, ub.app_DB_path)
-        self.calibre_db.session.close()
+        with app.app_context():
+            calibre_db = db.CalibreDB(app)
+            calibre_db.reconnect_db(config, ub.app_DB_path)
+        # self.calibre_db.session.close()
        self._handleSuccess()

    @property
@@ -25,7 +25,7 @@ import mimetypes

 from io import StringIO
 from email.message import EmailMessage
-from email.utils import formatdate, parseaddr
+from email.utils import formatdate, parseaddr, make_msgid
 from email.generator import Generator
 from flask_babel import lazy_gettext as N_

@@ -35,7 +35,7 @@ from cps.embed_helper import do_calibre_export
 from cps import logger, config
 from cps import gdriveutils
 from cps.string_helper import strip_whitespaces
-import uuid
+

 log = logger.create()

@@ -55,8 +55,8 @@ class EmailBase:
        return (code, resp)

    def send(self, strg):
-        """Send `strg' to the server."""
-        log.debug_no_auth('send: {}'.format(strg[:300]))
+        """Send 'strg' to the server."""
+        log.debug_no_auth('send: {}'.format(strg[:300]), stacklevel=2)
        if hasattr(self, 'sock') and self.sock:
            try:
                if self.transferSize:
@@ -102,7 +102,7 @@ class Email(EmailBase, smtplib.SMTP):
        smtplib.SMTP.__init__(self, *args, **kwargs)


-# Class for sending ssl encrypted email with ability to get current progress, , derived from emailbase class
+# Class for sending ssl encrypted email with ability to get current progress, derived from emailbase class
 class EmailSSL(EmailBase, smtplib.SMTP_SSL):

    def __init__(self, *args, **kwargs):
@@ -142,7 +142,7 @@ class TaskEmail(CalibreTask):
        message['To'] = self.recipient
        message['Subject'] = self.subject
        message['Date'] = formatdate(localtime=True)
-        message['Message-Id'] = "{}@{}".format(uuid.uuid4(), self.get_msgid_domain())
+        message['Message-ID'] = make_msgid(domain=self.get_msgid_domain())
        message.set_content(self.text.encode('UTF-8'), "text", "plain")
        if self.attachment:
            data = self._get_attachment(self.filepath, self.attachment)
@@ -169,10 +169,14 @@ class TaskEmail(CalibreTask):
            else:
                self.send_gmail_email(msg)
        except MemoryError as e:
-            log.error_or_exception(e, stacklevel=3)
+            log.error_or_exception(e, stacklevel=2)
            self._handleError('MemoryError sending e-mail: {}'.format(str(e)))
+        except (smtplib.SMTPRecipientsRefused) as e:
+            log.error_or_exception(e, stacklevel=2)
+            self._handleError('Smtplib Error sending e-mail: {}'.format(
+                (list(e.args[0].values())[0][1]).decode('utf-8)').replace("\n", '. ')))
        except (smtplib.SMTPException, smtplib.SMTPAuthenticationError) as e:
-            log.error_or_exception(e, stacklevel=3)
+            log.error_or_exception(e, stacklevel=2)
            if hasattr(e, "smtp_error"):
                text = e.smtp_error.decode('utf-8').replace("\n", '. ')
            elif hasattr(e, "message"):
@@ -183,10 +187,10 @@ class TaskEmail(CalibreTask):
                text = ''
            self._handleError('Smtplib Error sending e-mail: {}'.format(text))
        except (socket.error) as e:
-            log.error_or_exception(e, stacklevel=3)
+            log.error_or_exception(e, stacklevel=2)
            self._handleError('Socket Error sending e-mail: {}'.format(e.strerror))
        except Exception as ex:
-            log.error_or_exception(ex, stacklevel=3)
+            log.error_or_exception(ex, stacklevel=2)
            self._handleError('Error sending e-mail: {}'.format(ex))

    def send_standard_email(self, msg):
@@ -269,7 +273,7 @@ class TaskEmail(CalibreTask):
                if config.config_binariesdir and config.config_embed_metadata:
                    os.remove(datafile)
            except IOError as e:
-                log.error_or_exception(e, stacklevel=3)
+                log.error_or_exception(e, stacklevel=2)
                log.error('The requested file could not be read. Maybe wrong permissions?')
                return None
        return data
@@ -19,7 +19,7 @@
 import os
 from lxml import etree

-from cps import config, db, gdriveutils, logger
+from cps import config, db, gdriveutils, logger, app
 from cps.services.worker import CalibreTask
 from flask_babel import lazy_gettext as N_

@@ -34,7 +34,7 @@ class TaskBackupMetadata(CalibreTask):
                 task_message=N_('Backing up Metadata')):
        super(TaskBackupMetadata, self).__init__(task_message)
        self.log = logger.create()
-        self.calibre_db = db.CalibreDB(expire_on_commit=False, init=True)
+        # self.calibre_db = db.CalibreDB(expire_on_commit=False, init=True)
        self.export_language = export_language
        self.translated_title = translated_title
        self.set_dirty = set_dirty
@@ -46,47 +46,51 @@ class TaskBackupMetadata(CalibreTask):
            self.backup_metadata()

    def set_all_books_dirty(self):
-        try:
-            books = self.calibre_db.session.query(db.Books).all()
-            for book in books:
-                self.calibre_db.set_metadata_dirty(book.id)
-            self.calibre_db.session.commit()
-            self._handleSuccess()
-        except Exception as ex:
-            self.log.debug('Error adding book for backup: ' + str(ex))
-            self._handleError('Error adding book for backup: ' + str(ex))
-            self.calibre_db.session.rollback()
-        self.calibre_db.session.close()
+        with app.app_context():
+            calibre_dbb = db.CalibreDB(app)
+            try:
+                books = calibre_dbb.session.query(db.Books).all()
+                for book in books:
+                    calibre_dbb.set_metadata_dirty(book.id)
+                calibre_dbb.session.commit()
+                self._handleSuccess()
+            except Exception as ex:
+                self.log.debug('Error adding book for backup: ' + str(ex))
+                self._handleError('Error adding book for backup: ' + str(ex))
+                calibre_dbb.session.rollback()
+        # self.calibre_db.session.close()

    def backup_metadata(self):
-        try:
-            metadata_backup = self.calibre_db.session.query(db.Metadata_Dirtied).all()
-            custom_columns = (self.calibre_db.session.query(db.CustomColumns)
-                              .filter(db.CustomColumns.mark_for_delete == 0)
-                              .filter(db.CustomColumns.datatype.notin_(db.cc_exceptions))
-                              .order_by(db.CustomColumns.label).all())
-            count = len(metadata_backup)
-            i = 0
-            for backup in metadata_backup:
-                book = self.calibre_db.session.query(db.Books).filter(db.Books.id == backup.book).one_or_none()
-                self.calibre_db.session.query(db.Metadata_Dirtied).filter(
-                    db.Metadata_Dirtied.book == backup.book).delete()
-                self.calibre_db.session.commit()
-                if book:
-                    self.open_metadata(book, custom_columns)
-                else:
-                    self.log.error("Book {} not found in database".format(backup.book))
-                i += 1
-                self.progress = (1.0 / count) * i
-            self._handleSuccess()
-            self.calibre_db.session.close()
+        with app.app_context():
+            try:
+                calibre_dbb = db.CalibreDB(app)
+                metadata_backup = calibre_dbb.session.query(db.Metadata_Dirtied).all()
+                custom_columns = (calibre_dbb.session.query(db.CustomColumns)
+                                  .filter(db.CustomColumns.mark_for_delete == 0)
+                                  .filter(db.CustomColumns.datatype.notin_(db.cc_exceptions))
+                                  .order_by(db.CustomColumns.label).all())
+                count = len(metadata_backup)
+                i = 0
+                for backup in metadata_backup:
+                    book = calibre_dbb.session.query(db.Books).filter(db.Books.id == backup.book).one_or_none()
+                    calibre_dbb.session.query(db.Metadata_Dirtied).filter(
+                        db.Metadata_Dirtied.book == backup.book).delete()
+                    calibre_dbb.session.commit()
+                    if book:
+                        self.open_metadata(book, custom_columns)
+                    else:
+                        self.log.error("Book {} not found in database".format(backup.book))
+                    i += 1
+                    self.progress = (1.0 / count) * i
+                self._handleSuccess()
+                # self.calibre_db.session.close()

-        except Exception as ex:
-            b = "NaN" if not hasattr(book, 'id') else book.id
-            self.log.debug('Error creating metadata backup for book {}: '.format(b) + str(ex))
-            self._handleError('Error creating metadata backup: ' + str(ex))
-            self.calibre_db.session.rollback()
-            self.calibre_db.session.close()
+            except Exception as ex:
+                b = "NaN" if not hasattr(book, 'id') else book.id
+                self.log.debug('Error creating metadata backup for book {}: '.format(b) + str(ex))
+                self._handleError('Error creating metadata backup: ' + str(ex))
+                calibre_dbb.session.rollback()
+                # self.calibre_db.session.close()

    def open_metadata(self, book, custom_columns):
        # package = self.create_new_metadata_backup(book, custom_columns)
@@ -23,10 +23,11 @@ from io import BytesIO
 from datetime import datetime, timezone

 from .. import constants
-from cps import config, db, fs, gdriveutils, logger, ub
+from cps import config, db, fs, gdriveutils, logger, ub, app
 from cps.services.worker import CalibreTask, STAT_CANCELLED, STAT_ENDED
 from sqlalchemy import func, text, or_
 from flask_babel import lazy_gettext as N_
+
 try:
    from wand.image import Image
    use_IM = True
@@ -113,9 +114,10 @@ class TaskGenerateCoverThumbnails(CalibreTask):
    @staticmethod
    def get_books_with_covers(book_id=-1):
        filter_exp = (db.Books.id == book_id) if book_id != -1 else True
-        calibre_db = db.CalibreDB(expire_on_commit=False, init=True)
-        books_cover = calibre_db.session.query(db.Books).filter(db.Books.has_cover == 1).filter(filter_exp).all()
-        calibre_db.session.close()
+        with app.app_context():
+            calibre_db = db.CalibreDB(app) #, expire_on_commit=False, init=True)
+            books_cover = calibre_db.session.query(db.Books).filter(db.Books.has_cover == 1).filter(filter_exp).all()
+            # calibre_db.session.close()
        return books_cover

    def get_book_cover_thumbnails(self, book_id):
@@ -246,7 +248,7 @@ class TaskGenerateSeriesThumbnails(CalibreTask):
        super(TaskGenerateSeriesThumbnails, self).__init__(task_message)
        self.log = logger.create()
        self.app_db_session = ub.get_new_session_instance()
-        self.calibre_db = db.CalibreDB(expire_on_commit=False, init=True)
+        # self.calibre_db = db.CalibreDB(expire_on_commit=False, init=True)
        self.cache = fs.FileSystem()
        self.resolutions = [
            constants.COVER_THUMBNAIL_SMALL,
@@ -254,58 +256,60 @@ class TaskGenerateSeriesThumbnails(CalibreTask):
        ]

    def run(self, worker_thread):
-        if self.calibre_db.session and use_IM and self.stat != STAT_CANCELLED and self.stat != STAT_ENDED:
-            self.message = 'Scanning Series'
-            all_series = self.get_series_with_four_plus_books()
-            count = len(all_series)
+        with app.app_context():
+            calibre_db = db.CalibreDB(app)
+            if calibre_db.session and use_IM and self.stat != STAT_CANCELLED and self.stat != STAT_ENDED:
+                self.message = 'Scanning Series'
+                all_series = self.get_series_with_four_plus_books(calibre_db)
+                count = len(all_series)

-            total_generated = 0
-            for i, series in enumerate(all_series):
-                generated = 0
-                series_thumbnails = self.get_series_thumbnails(series.id)
-                series_books = self.get_series_books(series.id)
+                total_generated = 0
+                for i, series in enumerate(all_series):
+                    generated = 0
+                    series_thumbnails = self.get_series_thumbnails(series.id)
+                    series_books = self.get_series_books(series.id, calibre_db)

-                # Generate new thumbnails for missing covers
-                resolutions = list(map(lambda t: t.resolution, series_thumbnails))
-                missing_resolutions = list(set(self.resolutions).difference(resolutions))
-                for resolution in missing_resolutions:
-                    generated += 1
-                    self.create_series_thumbnail(series, series_books, resolution)
-
-                # Replace outdated or missing thumbnails
-                for thumbnail in series_thumbnails:
-                    if any(book.last_modified > thumbnail.generated_at for book in series_books):
+                    # Generate new thumbnails for missing covers
+                    resolutions = list(map(lambda t: t.resolution, series_thumbnails))
+                    missing_resolutions = list(set(self.resolutions).difference(resolutions))
+                    for resolution in missing_resolutions:
                        generated += 1
-                        self.update_series_thumbnail(series_books, thumbnail)
+                        self.create_series_thumbnail(series, series_books, resolution)

-                    elif not self.cache.get_cache_file_exists(thumbnail.filename, constants.CACHE_TYPE_THUMBNAILS):
-                        generated += 1
-                        self.update_series_thumbnail(series_books, thumbnail)
+                    # Replace outdated or missing thumbnails
+                    for thumbnail in series_thumbnails:
+                        if any(book.last_modified > thumbnail.generated_at for book in series_books):
+                            generated += 1
+                            self.update_series_thumbnail(series_books, thumbnail)

-                # Increment the progress
-                self.progress = (1.0 / count) * i
+                        elif not self.cache.get_cache_file_exists(thumbnail.filename, constants.CACHE_TYPE_THUMBNAILS):
+                            generated += 1
+                            self.update_series_thumbnail(series_books, thumbnail)

-                if generated > 0:
-                    total_generated += generated
-                    self.message = N_('Generated {0} series thumbnails').format(total_generated)
+                    # Increment the progress
+                    self.progress = (1.0 / count) * i

-                # Check if job has been cancelled or ended
-                if self.stat == STAT_CANCELLED:
-                    self.log.info(f'GenerateSeriesThumbnails task has been cancelled.')
-                    return
+                    if generated > 0:
+                        total_generated += generated
+                        self.message = N_('Generated {0} series thumbnails').format(total_generated)

-                if self.stat == STAT_ENDED:
-                    self.log.info(f'GenerateSeriesThumbnails task has been ended.')
-                    return
+                    # Check if job has been cancelled or ended
+                    if self.stat == STAT_CANCELLED:
+                        self.log.info(f'GenerateSeriesThumbnails task has been cancelled.')
+                        return

-            if total_generated == 0:
-                self.self_cleanup = True
+                    if self.stat == STAT_ENDED:
+                        self.log.info(f'GenerateSeriesThumbnails task has been ended.')
+                        return

-        self._handleSuccess()
-        self.app_db_session.remove()
+                if total_generated == 0:
+                    self.self_cleanup = True

-    def get_series_with_four_plus_books(self):
-        return self.calibre_db.session \
+            self._handleSuccess()
+            self.app_db_session.remove()
+
+    def get_series_with_four_plus_books(self, calibre_db):
+        return calibre_db.session \
            .query(db.Series) \
            .join(db.books_series_link) \
            .join(db.Books) \
@@ -314,8 +318,8 @@ class TaskGenerateSeriesThumbnails(CalibreTask):
            .having(func.count('book_series_link') > 3) \
            .all()

-    def get_series_books(self, series_id):
-        return self.calibre_db.session \
+    def get_series_books(self, series_id, calibre_db):
+        return calibre_db.session \
            .query(db.Books) \
            .join(db.books_series_link) \
            .join(db.Series) \
@@ -461,13 +465,15 @@ class TaskClearCoverThumbnailCache(CalibreTask):

    def run(self, worker_thread):
        if self.app_db_session:
-            if self.book_id == 0:  # delete superfluous thumbnails
-                calibre_db = db.CalibreDB(expire_on_commit=False, init=True)
-                thumbnails = (calibre_db.session.query(ub.Thumbnail)
-                              .join(db.Books, ub.Thumbnail.entity_id == db.Books.id, isouter=True)
-                              .filter(db.Books.id==None)
-                              .all())
-                calibre_db.session.close()
+            # delete superfluous thumbnails
+            if self.book_id == 0:
+                with app.app_context():
+                    calibre_db = db.CalibreDB(app)
+                    thumbnails = (calibre_db.session.query(ub.Thumbnail)
+                                  .join(db.Books, ub.Thumbnail.entity_id == db.Books.id, isouter=True)
+                                  .filter(db.Books.id==None)
+                                  .all())
+                    # calibre_db.session.close()
            elif self.book_id > 0:  # make sure single book is selected
                thumbnails = self.get_thumbnails_for_book(self.book_id)
            if self.book_id < 0:
@@ -71,7 +71,7 @@
          <a href="{{url_for('web.books_list', data='series', sort_param='stored', book_id=entry.Books.series[0].id )}}">
            {{entry.Books.series[0].name}}
          </a>
-          ({{entry.Books.series_index|formatseriesindex}})
+          ({{entry.Books.series_index|formatfloat(2)}})
        </p>
        {% endif %}
        {% if entry.Books.ratings.__len__() > 0 %}
@@ -122,7 +122,7 @@
          <a href="{{url_for('web.books_list', data='series', sort_param='stored', book_id=entry.series[0].id )}}">
            {{entry.series[0].name}}
          </a>
-          ({{entry.series_index|formatseriesindex}})
+          ({{entry.series_index|formatfloat(2)}})
        </p>
        {% endif %}
        <div class="rating">
@@ -5,112 +5,7 @@
 <title>{{instance}} | {{title}}</title>
 <meta charset="utf-8">
 <meta name='viewport' content='initial-scale=1,maximum-scale=5,user-scalable=no' />
-<style>
-body {
-  margin: 0;
-}
-
-nav {
-  height: 75px;
-  padding: 5px 20px;
-  width: 100%;
-  display: table;
-  box-sizing: border-box;
-  border-bottom: 1px solid black;
-}
-
-nav > * {
-  display: inline-block;
-  display: table-cell;
-  vertical-align: middle;
-  float: none;
-  text-align: center;
-  width: auto;
-}
-
-nav > *:first-child {
-  text-align: left;
-  width: 1%;
-}
-
-nav > *:last-child {
-  text-align: right;
-  width: 1%;
-}
-
-nav > a {
-  color: black;
-  margin: 0 20px;
-}
-
-.search {
-  margin: auto auto;
-}
-
-form > input {
-  width: 18ch;
-  padding-left: 4px;
-}
-
-form > * {
-  height: 50px;
-  background-color: white;
-  border-radius: 0;
-  border: 1px solid #ccc;
-  padding: 0;
-  margin: 0;
-  display: inline-block;
-  vertical-align: top;
-}
-
-form > span {
-  margin-left: -5px;
-}
-
-button {
-  border: none;
-  padding: 0 10px;
-  margin: 0;
-  width: 160px;
-  height: 100%;
-  background-color: white;
-}
-
-.body {
-  padding: 5px 20px;
-}
-
-a {
-  color: black;
-}
-
-img {
-  width: 150px;
-  height: 250px;
-  object-fit: cover;
-}
-
-.listing {
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  margin-right: 20px;
-}
-
-.pagination {
-  padding: 10px 0;
-  height: 20px;
-  font-weight: 700;
-}
-
-.pagination > div {
-  float: left;
-}
-
-.pagination > div:last-child {
-  float: right;
-}
-</style>
+<link href="{{ url_for('static', filename='css/basic.css') }}" rel="stylesheet" media="screen">
 </head>

 <body>
@@ -118,12 +13,12 @@ img {
    <div>
      {% if current_user.is_authenticated or g.allow_anonymous %}
        <nav>
-          <a href="/basic">
+          <a href="{{url_for('basic.index')}}">
            <span><h1>{{_('Home')}}</h1></span>
          </a>
          <div class="search">
            <form role="search" action="{{url_for('basic.index')}}" method="GET">
-              <input type="text" id="query" name="query" placeholder="{{_('Search Library')}}" value="{{searchterm}}">
+              <input type="text" id="query" name="query" placeholder="{{_('Search Library')}}" value="{{ searchterm }}">
              <span>
                <button type="submit" id="query_submit">{{_('Search')}}</button>
              </span>
@@ -135,6 +30,11 @@ img {
            </a>
          {% endif %}
        </nav>
+        <div class="theme">
+                  <a href="{{url_for('web.index')}}">
+            <span>{{_('Normal Theme')}}</span>
+          </a>
+        </div>
      {% endif %}
    </div>
  </div>
@@ -78,26 +78,6 @@
      <label for="bookAuthor">{{_('Author')}}</label>
      <input type="text" class="form-control typeahead" autocomplete="off" name="authors" id="authors" value="{{' & '.join(authors)}}">
    </div>
-
-    <div class="form-group">
-      <label for="comments">{{_('Description')}}</label>
-      <textarea class="form-control" name="comments" id="comments" rows="7">{% if book.comments %}{{book.comments[0].text}}{%endif%}</textarea>
-    </div>
-
-    <div class="form-group">
-      <label>{{_('Identifiers')}}</label>
-      <table class="table" id="identifier-table">
-	{% for identifier in book.identifiers %}
-	<tr>
-      <td><input type="text" class="form-control" name="identifier-type-{{identifier.type}}" value="{{identifier.type}}" required="required" placeholder="{{_('Identifier Type')}}"></td>
-	  <td><input type="text" class="form-control" name="identifier-val-{{identifier.type}}" value="{{identifier.val}}" required="required" placeholder="{{_('Identifier Value')}}"></td>
-	  <td><a class="btn btn-default" onclick="removeIdentifierLine(this)">{{_('Remove')}}</a></td>
-	</tr>
-	{% endfor %}
-      </table>
-      <a id="add-identifier-line" class="btn btn-default">{{_('Add Identifier')}}</a>
-    </div>
-
    <div class="form-group">
      <label for="tags">{{_('Tags')}}</label>
      <input type="text" class="form-control typeahead" autocomplete="off"  name="tags" id="tags" value="{% for tag in book.tags %}{{tag.name.strip()}}{% if not loop.last %}, {% endif %}{% endfor %}">
@@ -108,23 +88,8 @@
    </div>
    <div class="form-group">
      <label for="series_index">{{_('Series ID')}}</label>
-      <input type="number" step="0.01" min="0" placeholder="1" class="form-control" name="series_index" id="series_index" value="{{book.series_index}}">
+      <input type="number" step="0.01" min="0" placeholder="1" class="form-control" name="series_index" id="series_index" value="{{book.series_index|formatfloat(2)}}">
    </div>
-    <div class="form-group">
-      <label for="rating">{{_('Rating')}}</label>
-      <input type="number"  name="rating" id="rating" class="rating input-lg" data-clearable="" value="{% if book.ratings %}{{(book.ratings[0].rating / 2)|int}}{% endif %}">
-    </div>
-    {% if current_user.role_upload() and g.allow_upload %}
-    <div class="form-group">
-      <label for="cover_url">{{_('Fetch Cover from URL (JPEG - Image will be downloaded and stored in database)')}}</label>
-      <input type="text" class="form-control" name="cover_url" id="cover_url" value="">
-    </div>
-      <div class="form-group" aria-label="Upload cover from local drive">
-        <label class="btn btn-primary btn-file" for="btn-upload-cover">{{ _('Upload Cover from Local Disk') }}</label>
-        <div class="upload-cover-input-text" id="upload-cover"></div>
-        <input id="btn-upload-cover" name="btn-upload-cover" type="file" accept=".jpg, .jpeg, .png, .webp">
-      </div>
-    {% endif %}
    <label for="pubdate">{{_('Published Date')}}</label>
    <div class="form-group input-group">
       <input type="text" class="datepicker form-control" name="pubdate" id="pubdate" value="{% if book.pubdate %}{{book.pubdate|formatdateinput}}{% endif %}">
@@ -141,6 +106,39 @@
      <label for="languages">{{_('Language')}}</label>
      <input type="text" class="form-control typeahead" autocomplete="off" name="languages" id="languages" value="{% for language in book.languages %}{{language.language_name.strip()}}{% if not loop.last %}, {% endif %}{% endfor %}">
    </div>
+    <div class="form-group">
+      <label for="rating">{{_('Rating')}}</label>
+      <input type="number"  name="rating" id="rating" class="rating input-lg" data-clearable="" value="{% if book.ratings %}{{(book.ratings[0].rating / 2)|int}}{% endif %}">
+    </div>
+      <div class="form-group">
+      <label for="comments">{{_('Description')}}</label>
+      <textarea class="form-control" name="comments" id="comments" rows="7">{% if book.comments %}{{book.comments[0].text}}{%endif%}</textarea>
+    </div>
+    <div class="form-group">
+      <label>{{_('Identifiers')}}</label>
+      <table class="table" id="identifier-table"><tbody>
+	{% for identifier in book.identifiers %}
+	<tr>
+      <td><input type="text" class="form-control" name="identifier-type-{{identifier.type}}" value="{{identifier.type}}" required="required" placeholder="{{_('Identifier Type')}}"></td>
+	  <td><input type="text" class="form-control" name="identifier-val-{{identifier.type}}" value="{{identifier.val}}" required="required" placeholder="{{_('Identifier Value')}}"></td>
+	  <td><a class="btn btn-default" onclick="removeIdentifierLine(this)">{{_('Remove')}}</a></td>
+	</tr>
+	{% endfor %}
+      </tbody>
+      </table>
+      <a id="add-identifier-line" class="btn btn-default">{{_('Add Identifier')}}</a>
+    </div>
+    {% if current_user.role_upload() and g.allow_upload %}
+    <div class="form-group">
+      <label for="cover_url">{{_('Fetch Cover from URL (JPEG - Image will be downloaded and stored in database)')}}</label>
+      <input type="text" class="form-control" name="cover_url" id="cover_url" value="">
+    </div>
+      <div class="form-group" aria-label="Upload cover from local drive">
+        <label class="btn btn-primary btn-file" for="btn-upload-cover">{{ _('Upload Cover from Local Disk') }}</label>
+        <div class="upload-cover-input-text" id="upload-cover"></div>
+        <input id="btn-upload-cover" name="btn-upload-cover" type="file" accept=".jpg, .jpeg, .png, .webp">
+      </div>
+    {% endif %}
      {% if cc|length > 0 %}
        {% for c in cc %}
          <div class="form-group">
@@ -19,6 +19,25 @@
    {% if sort %}data-sortable="true" {% endif %}
    data-visible="{{visiblility.get(parameter)}}"
    data-formatter="bookCheckboxFormatter">
+    {% if parameter == "is_archived" %}
+      <div  class="form-check">
+        <div>
+            <input type="radio" class="check_head" data-set="True" data-val="{{ parameter }}" name="options_archive_selected_books" id="false_archive_selected_books" data-name="archive_books" disabled>{{_('Archive selected books')}}
+        </div>
+        <div>
+            <input type="radio" class="check_head" data-set="False" data-val="{{ parameter }}" name="options_unarchive_selected_books" id="true_archive_selected_books"  data-name="archive_books" disabled>{{_('Unarchive selected books')}}
+        </div>
+      </div>
+    {% elif parameter == "read_status" %}
+      <div  class="form-check">
+        <div>
+            <input type="radio" class="check_head" data-set="True" data-val="{{ parameter }}" name="options_read_selected_books" id="false_read_selected_books" data-name="read_books" disabled>{{_('Mark selected books as read')}}
+        </div>
+        <div>
+            <input type="radio" class="check_head" data-set="False" data-val="{{ parameter }}" name="options_unread_selected_books" id="true_read_selected_books" data-name="read_books" disabled>{{_('Mark selected books as unread')}}</div>
+        </div>
+      </div>
+    {% endif %}
    {{show_text}}
 </th>
 {%- endmacro %}
@@ -34,8 +53,15 @@
      <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
      <div class="col-xs-12 col-sm-6">
        <div class="row form-group">
-          <div class="btn btn-default disabled" id="merge_books" aria-disabled="true">{{_('Merge selected books')}}</div>
-          <div class="btn btn-default disabled" id="delete_selection" aria-disabled="true">{{_('Remove Selections')}}</div>
+          <div class="btn btn-default disabled" id="merge_books" aria-disabled="true">
+            {{_('Merge selected books')}}
+          </div>
+          <div class="btn btn-default disabled mass_selection" id="book_delete_selection" aria-disabled="true">
+            {{_('Clear selections')}}
+          </div>
+          <div class="btn btn-default disabled" id="edit_selected_books" aria-disabled="true">
+            {{_('Edit selected books')}}
+          </div>
        </div>
        <div class="row form-group">
            <div class="btn btn-default disabled" id="table_xchange" ><span class="glyphicon glyphicon-arrow-up"></span><span class="glyphicon glyphicon-arrow-down"></span>{{_('Exchange author and title')}}</div>
@@ -57,7 +83,7 @@
      <thead>
        <tr>
          {% if current_user.role_edit() %}
-            <th data-field="state" data-checkbox="true" data-sortable="true"></th>
+            <th data-field="state" data-checkbox="true" data-visible="true" data-sortable="true"></th>
          {% endif %}
            <th data-field="id" id="id" data-visible="false" data-switchable="false"></th>
            {{ text_table_row('title', _('Enter Title'),_('Title'), true, true) }}
@@ -66,7 +92,7 @@
            {{ text_table_row('authors', _('Enter Authors'),_('Authors'), true, true) }}
            {{ text_table_row('tags', _('Enter Categories'),_('Categories'), false, true) }}
            {{ text_table_row('series', _('Enter Series'),_('Series'), false, true) }}
-            <th data-field="series_index" id="series_index" data-visible="{{visiblility.get('series_index')}}" data-edit-validate="{{ _('This Field is Required') }}" data-sortable="true" {% if current_user.role_edit() %} data-editable-type="number" data-editable-placeholder="1" data-editable-step="0.01" data-editable-min="0" data-editable-url="{{ url_for('edit-book.edit_list_book', param='series_index')}}" data-edit="true" data-editable-title="{{_('Enter Title')}}"{% endif %}>{{_('Series Index')}}</th>
+            <th data-field="series_index" id="series_index" data-visible="{{visiblility.get('series_index')}}"  data-formatter="seriesIndexFormatter" data-edit-validate="{{ _('This Field is Required') }}" data-sortable="true" {% if current_user.role_edit() %} data-editable-type="number" data-editable-placeholder="1" data-editable-step="0.01" data-editable-min="0" data-editable-url="{{ url_for('edit-book.edit_list_book', param='series_index')}}" data-edit="true" data-editable-title="{{_('Enter Title')}}"{% endif %}>{{_('Series Index')}}</th>
            {{ text_table_row('languages', _('Enter Languages'),_('Languages'), false, true) }}
            <!--th data-field="pubdate" data-type="date" data-visible="{{visiblility.get('pubdate')}}" data-viewformat="dd.mm.yyyy" id="pubdate" data-sortable="true">{{_('Publishing Date')}}</th-->
            {{ text_table_row('publishers', _('Enter Publishers'),_('Publishers'), false, true) }}
@@ -97,14 +123,23 @@
              {% endif %}
            {% endfor %}
          {% if current_user.role_delete_books() and current_user.role_edit()%}
-            <th data-align="right" data-formatter="EbookActions" data-switchable="false">{{_('Delete')}}</th>
+            <th data-align="right" data-formatter="EbookActions" data-switchable="false">
+                <div><div class="btn btn-default button_head disabled" aria-disabled="true">
+                    {{_('Delete selected books')}}
+                </div></div>
+                <br>
+                {{_('Delete')}}
+            </th>
          {% endif %}
        </tr>
      </thead>
    </table>
+
 {% endblock %}
 {% block modal %}
 {{ delete_book(current_user.role_delete_books()) }}
+{{ delete_confirm_modal() }}
+{{ change_confirm_modal() }}
 {% if current_user.role_edit() %}
 <div class="modal fade" id="mergeModal" role="dialog" aria-labelledby="metaMergeLabel">
  <div class="modal-dialog">
@@ -123,15 +158,170 @@
            <div class="text-left" id="merge_to"></div>
        </div>
      <div class="modal-footer">
-        <input id="merge_confirm"  type="button" class="btn btn-danger" value="{{_('Merge')}}" name="merge_confirm" id="merge_confirm" data-dismiss="modal">
+        <input id="merge_confirm" type="button" class="btn btn-danger" value="{{_('Merge')}}" name="merge_confirm" data-dismiss="modal">
        <button id="merge_abort" type="button" class="btn btn-default" data-dismiss="modal">{{_('Cancel')}}</button>
      </div>
    </div>
  </div>
 </div>
-{% endif %}

+<!--div class="modal fade" id="delete_selected_modal" role="dialog" aria-labelledby="metaDeleteSelectedLabel">
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header bg-danger text-center">
+          <span>{{_('Are you really sure?')}}</span>
+      </div>
+      <div class="modal-body">
+        <p></p>
+            <div class="text-left">{{_('The following books will be deleted:')}}</div>
+        <p></p>
+            <div class="text-left" id="display-delete-selected-books"></div>
+      <div class="modal-footer">
+        <input id="delete_selected_confirm" type="button" class="btn btn-danger" value="{{_('Delete')}}" name="delete_selected_confirm" data-dismiss="modal">
+        <button id="delete_selected_abort" type="button" class="btn btn-default" data-dismiss="modal">{{_('Cancel')}}</button>
+      </div>
+      </div>
+    </div>
+  </div>
+</div-->
+
+<div class="modal fade" id="archive_selected_modal" role="dialog" aria-labelledby="metaArchiveSelectedLabel">
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header bg-danger text-center">
+          <span>{{_('Are you really sure?')}}</span>
+      </div>
+      <div class="modal-body">
+        <p></p>
+            <div class="text-left">{{_('The following books will be archived:')}}</div>
+        <p></p>
+            <div class="text-left" id="display-archive-selected-books"></div>
+      <div class="modal-footer">
+        <input id="archive_selected_confirm" type="button" class="btn btn-danger" value="{{_('Archive')}}" name="archive_selected_confirm" data-dismiss="modal">
+        <button id="archive_selected_abort" type="button" class="btn btn-default" data-dismiss="modal">{{_('Cancel')}}</button>
+      </div>
+      </div>
+    </div>
+  </div>
+</div>
+
+<div class="modal fade" id="unarchive_selected_modal" role="dialog" aria-labelledby="metaUnArchiveSelectedLabel">
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header bg-danger text-center">
+          <span>{{_('Are you really sure?')}}</span>
+      </div>
+      <div class="modal-body">
+        <p></p>
+            <div class="text-left">{{_('The following books will be unarchived:')}}</div>
+        <p></p>
+            <div class="text-left" id="display-unarchive-selected-books"></div>
+      <div class="modal-footer">
+        <input id="unarchive_selected_confirm" type="button" class="btn btn-danger" value="{{_('Unarchive')}}" name="unarchive_selected_confirm" data-dismiss="modal">
+        <button id="unarchive_selected_abort" type="button" class="btn btn-default" data-dismiss="modal">{{_('Cancel')}}</button>
+      </div>
+      </div>
+    </div>
+  </div>
+</div>
+
+<div class="modal fade" id="read_selected_modal" role="dialog" aria-labelledby="metaReadSelectedLabel">
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header bg-danger text-center">
+          <span>{{_('Are you really sure?')}}</span>
+      </div>
+      <div class="modal-body">
+        <p></p>
+            <div class="text-left">{{_('The following books will be marked read:')}}</div>
+        <p></p>
+            <div class="text-left" id="display-read-selected-books"></div>
+      <div class="modal-footer">
+        <input id="read_selected_confirm" type="button" class="btn btn-danger" value="{{_('Mark as read')}}" name="read_selected_confirm" data-dismiss="modal">
+        <button id="read_selected_abort" type="button" class="btn btn-default" data-dismiss="modal">{{_('Cancel')}}</button>
+      </div>
+      </div>
+    </div>
+  </div>
+</div>
+
+<div class="modal fade" id="unread_selected_modal" role="dialog" aria-labelledby="metaReadSelectedLabel">
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header bg-danger text-center">
+          <span>{{_('Are you really sure?')}}</span>
+      </div>
+      <div class="modal-body">
+        <p></p>
+            <div class="text-left">{{_('The following books will be marked unread:')}}</div>
+        <p></p>
+            <div class="text-left" id="display-unread-selected-books"></div>
+      <div class="modal-footer">
+        <input id="unread_selected_confirm" type="button" class="btn btn-danger" value="{{_('Mark as unread')}}" name="unread_selected_confirm" data-dismiss="modal">
+        <button id="read_selected_abort" type="button" class="btn btn-default" data-dismiss="modal">{{_('Cancel')}}</button>
+      </div>
+      </div>
+    </div>
+  </div>
+</div>
+
+<div class="modal fade" id="edit_selected_modal" role="dialog" aria-labelledby="metaEditSelectedLabel">
+  <div class="modal-dialog">
+    <div class="modal-content">
+      <div class="modal-header bg-info text-center">
+          <span>{{_('Edit Metadata')}}</span>
+      </div>
+      <div class="modal-body">
+        <div class="text-left">{{_('Edit the fields you want changed. Blank fields will be ignored:')}}</div>
+            <br>
+            Title:
+            <input class="form-control" id="title_input">
+            <p></p>
+
+            Title Sort:
+            <input class="form-control" id="title_sort_input">
+            <p></p>
+
+            Author Sort:
+            <input class="form-control" id="author_sort_input">
+            <p></p>
+
+            Authors:
+            <input class="form-control" id="authors_input">
+            <p></p>
+
+            Categories:
+            <input class="form-control" id="categories_input">
+            <p></p>
+
+            Series:
+            <input class="form-control" id="series_input">
+            <p></p>
+
+            Languages:
+            <input class="form-control" id="languages_input">
+            <p></p>
+
+            Publishers:
+            <input class="form-control" id="publishers_input">
+            <p></p>
+
+            Comments:
+            <input class="form-control" id="comments_input">
+            <p></p>
+      </div>
+
+      <div class="modal-footer">
+        <input id="edit_selected_confirm" type="button" class="btn btn-danger" value="{{_('Edit')}}" name="edit_selected_confirm" id="edit_selected_confirm" data-dismiss="modal">
+        <button id="edit_selected_abort" type="button" class="btn btn-default" data-dismiss="modal">{{_('Cancel')}}</button>
+      </div>
+      </div>
+    </div>
+  </div>
+</div>
+{% endif %}
 {% endblock %}
+
 {% block js %}
 <script src="{{ url_for('static', filename='js/libs/bootstrap-table/bootstrap-table.min.js') }}"></script>
 <script src="{{ url_for('static', filename='js/libs/bootstrap-table/bootstrap-table-locale-all.min.js') }}"></script>
@@ -62,7 +62,7 @@
      {% endif %}
    {% endif %}
    <div class="col-sm-12">
-      <div id="db_submit" name="submit" class="btn btn-default">{{_('Save')}}</div>
+      <button id="db_submit" type="submit" class="btn btn-default">{{_('Save')}}</button>
      <a href="{{ url_for('admin.admin') }}" id="config_back" class="btn btn-default">{{_('Cancel')}}</a>
    </div>
  </form>
@@ -163,6 +163,10 @@
      </div>
    </div>
    {% endif %}
+    <div class="form-group">
+      <label for="config_googlebooks_api_key">{{_('Google Books API Key')}}</label>
+      <input type="text" class="form-control" id="config_googlebooks_api_key" name="config_googlebooks_api_key" value="{% if config.config_googlebooks_api_key != '' %}{{ config.config_googlebooks_api_key }}{% endif %}" autocomplete="off">
+    </div>
    <div class="form-group">
      <input type="checkbox" id="config_allow_reverse_proxy_header_login" name="config_allow_reverse_proxy_header_login" data-control="reverse-proxy-login-settings" {% if config.config_allow_reverse_proxy_header_login %}checked{% endif %}>
      <label for="config_allow_reverse_proxy_header_login">{{_('Allow Reverse Proxy Authentication')}}</label>
@@ -411,7 +415,7 @@
              </div>
              <div class="form-group" style="margin-left:10px;">
                <input type="checkbox" id="config_password_character" name="config_password_character"  {% if config.config_password_character %}checked{% endif %}>
-                <label for="config_password_lower">{{_('Enforce characters (needed For Chinese/Japanese/Korean Characters)')}}</label>
+                <label for="config_password_character">{{_('Enforce characters (needed For Chinese/Japanese/Korean Characters)')}}</label>
              </div>
              <div class="form-group" style="margin-left:10px;">
                <input type="checkbox" id="config_password_special" name="config_password_special"  {% if config.config_password_special %}checked{% endif %}>
@@ -1,4 +1,12 @@
 {% extends is_xhr|yesno("fragment.html", "layout.html") %}
+{% block header %}
+    <meta property="og:type" content="book" />
+    <meta property="og:title" content="{{ entry.title|truncate(35) }}" />
+    {% if entry.comments|length > 0 and entry.comments[0].text|length > 0 %}
+      <meta property="og:description" content="{{ entry.comments[0].text|striptags|truncate(65) }}" />
+      <meta property="og:image" content="{{url_for('web.get_cover', book_id=entry.id, resolution='og', c=entry|last_modified)}}" />
+    {% endif %}
+{% endblock %}
 {% block body %}
 <div class="single">
    <div class="row">
@@ -147,7 +155,7 @@
                </div>
            {% endif %}
            {% if entry.series|length > 0 %}
-                <p>{{ _("Book %(index)s of %(range)s", index=entry.series_index | formatfloat(2), range=(url_for('web.books_list', data='series', sort_param='stored', book_id=entry.series[0].id)|escapedlink(entry.series[0].name))|safe) }}</p>
+                <p>{{ _("Book %(index)s of %(range)s", index=entry.series_index|formatfloat(2), range=(url_for('web.books_list', data='series', sort_param='stored', book_id=entry.series[0].id)|escapedlink(entry.series[0].name))|safe) }}</p>

            {% endif %}

@@ -63,14 +63,64 @@
              term="{{tag.name}}"
              label="{{tag.name}}"/>
    {% endfor %}
-    {% if entry.Books.comments[0] %}<summary>{{entry.Books.comments[0].text|striptags}}</summary>{% endif %}
+    <content type="xhtml"><div xmlns="http://www.w3.org/1999/xhtml">
+    {% if entry.Books.ratings.__len__() > 0 %}
+      RATING: {% for number in range((entry.Books.ratings[0].rating/2)|int(2)) %}★{% endfor %}<br/>
+    {% endif %}
+    {% if entry.Books.tags|length > 0 %}
+    TAGS: {% for tag in entry.Books.tags %}{{tag.name}}{{ ", " if not loop.last else "" }}{% endfor %}<br/>
+    {% endif %}
+    {% if entry.Books.series.__len__() > 0 %}
+    SERIES: {{entry.Books.series[0].name}} [{{entry.Books.series_index|formatfloat(2)}}]<br/>
+    {% endif %}
+
+    {% if cc|length > 0 %}
+        {% for c in cc %}
+            {% if entry.Books['custom_column_' ~ c.id]|length > 0 %}
+                {{ c.name }}:
+                {% for column in entry.Books['custom_column_' ~ c.id] %}
+                    {% if c.datatype == 'rating' %}
+                        {{ (column.value / 2)|formatfloat }}
+                    {% else %}
+                        {% if c.datatype == 'bool' %}
+                            {% if column.value == true %}
+                                ✓
+                            {% else %}
+                                ✕
+                            {% endif %}
+                        {% else %}
+                            {% if c.datatype == 'float' %}
+                                {{ column.value|formatfloat(2) }}
+                            {% elif c.datatype == 'datetime' %}
+                                {{ column.value|formatdate }}
+                            {% elif c.datatype == 'comments' %}
+                                {{ column.value|safe }}
+                            {% elif c.datatype == 'series' %}
+                                {{ '%s [%s]' % (column.value, column.extra|formatfloat(2)) }}
+                            {% elif c.datatype == 'text' %}
+                                {{ column.value.strip() }}{% if not loop.last %}, {% endif %}
+                            {% else %}
+                                {{ column.value }}
+                            {% endif %}
+                        {% endif %}
+                    {% endif %}
+                {% endfor %}
+                <br/>
+            {% endif %}
+        {% endfor %}
+    {% endif %}
+
+    {% if entry.Books.comments[0] %}
+        <p>{{entry.Books.comments[0].text}}</p>
+    {% endif %}
+    </div></content>
    {% if entry.Books.has_cover %}
    <link type="image/jpeg" href="{{url_for('opds.feed_get_cover', book_id=entry.Books.id)}}" rel="http://opds-spec.org/image"/>
    <link type="image/jpeg" href="{{url_for('opds.feed_get_cover', book_id=entry.Books.id)}}" rel="http://opds-spec.org/image/thumbnail"/>
    {% endif %}
    {% for format in entry.Books.data %}
    <link rel="http://opds-spec.org/acquisition" href="{{ url_for('opds.opds_download_link', book_id=entry.Books.id, book_format=format.format|lower)}}"
-          length="{{format.uncompressed_size}}" mtime="{{entry.Books.atom_timestamp}}" type="{{format.format|lower|mimetype}}"/>
+          length="{{format.uncompressed_size}}" title="{{format.format}}" mtime="{{entry.Books.atom_timestamp}}" type="{{format.format|lower|mimetype}}"/>
    {% endfor %}
  </entry>
  {% endfor %}
@@ -5,7 +5,7 @@
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
-    <meta name="apple-mobile-web-app-capable" content="yes">
+    <meta name="mobile-web-app-capable" content="yes">
    {% if g.google_site_verification|length > 0 %}
      <meta name="google-site-verification" content="{{g.google_site_verification}}">
    {% endif %}    
@@ -48,7 +48,11 @@
    <div class="row">
      <div class="col errorlink">
      {% if not unconfigured %}
-        <a href="{{url_for('web.index')}}" title="{{ _('Return to Home') }}">{{_('Return to Home')}}</a>
+        {% if goto_admin %}
+           <a href="{{url_for('admin.db_configuration')}}" title="{{ _('Return to Database config') }}">{{_('Return to Database config')}}</a>
+        {%  else %}
+           <a href="{{url_for('web.index')}}" title="{{ _('Return to Home') }}">{{_('Return to Home')}}</a>
+        {% endif %}
      {% else %}
        <a href="{{url_for('web.logout')}}" title="{{ _('Logout User') }}">{{ _('Logout User') }}</a>
      {% endif %}
@@ -6,6 +6,7 @@
        srcset="{{ srcset }}"
        src="{{ url_for('web.get_cover', book_id=book.id, resolution='og', c=book|last_modified) }}"
        alt="{{ image_alt }}"
+        loading="lazy"
    />
 {%- endmacro %}

@@ -16,5 +17,6 @@
        srcset="{{ srcset }}"
        src="{{ url_for('web.get_series_cover', series_id=series.id, resolution='og', c='day'|cache_timestamp) }}"
        alt="{{ title }}"
+        loading="lazy"
    />
 {%- endmacro %}
@@ -42,7 +42,7 @@
          <a href="{{url_for('web.books_list', data='series', sort_param='stored', book_id=entry.Books.series[0].id )}}">
            {{entry.Books.series[0].name}}
          </a>
-          ({{entry.Books.series_index|formatseriesindex}})
+          ({{entry.Books.series_index|formatfloat(2)}})
        </p>
        {% endif %}
        {% if entry.Books.ratings.__len__() > 0 %}
@@ -132,7 +132,7 @@
        {% else %}
            <span>{{entry.Books.series[0].name}}</span>
        {% endif %}
-          ({{entry.Books.series_index|formatseriesindex}})
+          ({{entry.Books.series_index|formatfloat(2)}})
        </p>
        {% endif %}
        {% if entry.Books.ratings.__len__() > 0 %}
@@ -7,7 +7,7 @@
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
-    <meta name="apple-mobile-web-app-capable" content="yes">
+    <meta name="mobile-web-app-capable" content="yes">
    {% if g.google_site_verification|length > 0 %}
      <meta name="google-site-verification" content="{{g.google_site_verification}}">
    {% endif %}
@@ -41,9 +41,7 @@
            <div class="plexBack"><a href="{{url_for('web.index')}}"></a></div>
        {% endif %}
        {% if current_user.is_authenticated or g.allow_anonymous %}
-          <a href="{{url_for('basic.index')}}" class="navbar-form navbar-left btn btn-default" id="basic"><span class="glyphicon glyphicon-phone"></span><span>{{_('Simple view')}}</span></a>
-          <!--# margin 0, padding 15, background color-->
-           <form class="navbar-form navbar-left" role="search" action="{{url_for('search.simple_search')}}" method="GET">
+          <form class="navbar-form navbar-left" role="search" action="{{url_for('search.simple_search')}}" method="GET">
            <div class="form-group input-group input-group-sm">
              <label for="query" class="sr-only">{{_('Search')}}</label>
              <input type="text" class="form-control" id="query" name="query" placeholder="{{_('Search Library')}}" value="{{searchterm}}">
@@ -57,6 +55,7 @@
          {% if current_user.is_authenticated or g.allow_anonymous %}
          <ul class="nav navbar-nav ">
            <li><a href="{{url_for('search.advanced_search')}}" id="advanced_search"><span class="glyphicon glyphicon-search"></span><span class="hidden-sm"> {{_('Advanced Search')}}</span></a></li>
+            {% if simple==true %} <li><a href="{{url_for('basic.index')}}" id="basic"><span class="glyphicon glyphicon-phone"></span><span>{{_('Simple Theme')}}</span></a><li>{% endif %}
          </ul>
          {% endif %}
          <ul class="nav navbar-nav navbar-right" id="main-nav">
@@ -148,13 +147,13 @@
              <li class="nav-head hidden-xs">{{_('Browse')}}</li>
              {% for element in sidebar %}
                {% if current_user.check_visibility(element['visibility']) and element['public'] %}
-                    <li id="nav_{{element['id']}}" {% if page == element['page'] %}class="active"{% endif %}><a href="{{url_for(element['link'], data=element['page'], sort_param='stored')}}"><span class="glyphicon {{element['glyph']}}"></span> {{_(element['text'])}}</a></li>
+                    <li id="nav_{{element['id']}}" {% if page == element['page'] %}class="active"{% endif %}><a href="{% if element['no_param'] %}{{url_for(element['link'], data=element['page'])}}{%else%}{{url_for(element['link'], data=element['page'], sort_param='stored')}}{% endif %}"><span class="glyphicon {{element['glyph']}}"></span> {{_(element['text'])}}</a></li>
                {% endif %}
              {% endfor %}
              {% if current_user.is_authenticated or g.allow_anonymous %}
                <li class="nav-head hidden-xs public-shelves">{{_('Shelves')}}</li>
                {% for shelf in g.shelves_access %}
-                  <li><a href="{{url_for('shelf.show_shelf', shelf_id=shelf.id)}}"><span class="glyphicon glyphicon-list shelf"></span> {{shelf.name|shortentitle(40)}}{% if shelf.is_public == 1 %} {{_('(Public)')}}{% endif %}</a></li>
+                  <li><a href="{{url_for('shelf.show_shelf', shelf_id=shelf.id)}}"><span class="glyphicon glyphicon-list shelf"></span> {{shelf.name|shortentitle(40)}}{% if shelf.is_public == 1 %} {{_('(Public)')}}{% endif %} <span class="badge badge-sm">{{shelf.books.all()|length}}</span></a></li>
                {% endfor %}
              {% if not current_user.is_anonymous %}
                <li id="nav_createshelf" class="create-shelf"><a href="{{url_for('shelf.create_shelf')}}">{{_('Create a Shelf')}}</a></li>
@@ -171,8 +170,7 @@
          {% if pagination and (pagination.has_next or pagination.has_prev) %}
            <div class="pagination">
              {% if pagination.has_prev %}
-              <li class="page-item page-previous"><a class="page-link" aria-label="next page" href="{{ (pagination.page - 1)|url_for_other_page
-                }}">&laquo; {{_('Previous')}}</a></li>
+              <li class="page-item page-previous"><a class="page-link" aria-label="next page" href="{{ (pagination.page - 1)|url_for_other_page }}">&laquo; {{_('Previous')}}</a></li>
              {% endif %}
            {% for page in pagination.iter_pages() %}
              {% if page %}
@@ -186,8 +184,7 @@
              {% endif %}
            {% endfor %}
            {% if pagination.has_next %}
-              <li class="page-item page-next"><a class="page-link next" aria-label="next page" href="{{ (pagination.page + 1)|url_for_other_page
-                }}">{{_('Next')}} &raquo;</a></li>
+              <li class="page-item page-next"><a class="page-link next" aria-label="next page" href="{{ (pagination.page + 1)|url_for_other_page }}">{{_('Next')}} &raquo;</a></li>
            {% endif %}
            </div>
          {% endif %}
@@ -22,7 +22,7 @@
      <button class="update-view btn btn-primary" data-target="series_view" id="grid-button" data-view="grid">{{_('Grid')}}</button>
      {% endif %}
    </div>
-  <div class="container">
+  <div class="container1">
    <div id="list" class="col-xs-12 col-sm-6">
    {% for entry in entries %}
      {% if loop.index0 == (loop.length/2+loop.length%2)|int and loop.length > 20 %}
@@ -7,7 +7,7 @@
  <title>{{ entry.title }}</title>
  <meta name="description" content="">
  <meta name="viewport" content="width=device-width">
-  <meta name="apple-mobile-web-app-capable" content="yes">
+  <meta name="mobile-web-app-capable" content="yes">
  {% if g.google_site_verification|length > 0 %}
    <meta name="google-site-verification" content="{{g.google_site_verification}}">
  {% endif %}  
@@ -59,7 +59,7 @@
        </div>
      {% endif %}
      {% if entry.series|length > 0 %}
-          <p>{{_("Book %(index)s of %(range)s", index=entry.series_index | formatfloat(2), range=(url_for('web.books_list', data='series', sort_param='stored', book_id=entry.series[0].id)|escapedlink(entry.series[0].name))|safe)}}</p>
+          <p>{{_("Book %(index)s of %(range)s", index=entry.series_index|formatfloat(2), range=(url_for('web.books_list', data='series', sort_param='stored', book_id=entry.series[0].id)|escapedlink(entry.series[0].name))|safe)}}</p>

      {% endif %}

--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
				!function(a){a.fn.datepicker.dates.ar={days:["الأحد","الاثنين","الثلاثاء","الأربعاء","الخميس","الجمعة","السبت","الأحد"],daysShort:["أحد","اثنين","ثلاثاء","أربعاء","خميس","جمعة","سبت","أحد"],daysMin:["ح","ن","ث","ع","خ","ج","س","ح"],months:["يناير","فبراير","مارس","أبريل","مايو","يونيو","يوليو","أغسطس","سبتمبر","أكتوبر","نوفمبر","ديسمبر"],monthsShort:["يناير","فبراير","مارس","أبريل","مايو","يونيو","يوليو","أغسطس","سبتمبر","أكتوبر","نوفمبر","ديسمبر"],today:"هذا اليوم",rtl:!0}}(jQuery);
				`@@ -0,0 +1 @@`
				`!function(a){a.fn.datepicker.dates.sl={days:["Nedelja","Ponedeljek","Torek","Sreda","Četrtek","Petek","Sobota"],daysShort:["Ned","Pon","Tor","Sre","Čet","Pet","Sob"],daysMin:["Ne","Po","To","Sr","Če","Pe","So"],months:["Januar","Februar","Marec","April","Maj","Junij","Julij","Avgust","September","Oktober","November","December"],monthsShort:["Jan","Feb","Mar","Apr","Maj","Jun","Jul","Avg","Sep","Okt","Nov","Dec"],today:"Danes",weekStart:1}}(jQuery);`