Update Version

Update teststatus
Fix for stable update version
2024-11-16 07:21:28 +01:00 · 2024-11-11 18:46:07 +01:00 · 2024-11-10 14:52:55 +01:00 · 2024-11-05 18:35:21 +01:00 · 2024-11-05 16:48:03 +01:00 · 2024-11-04 21:20:34 +01:00
462 changed files with 141382 additions and 132867 deletions
@@ -1 +1,3 @@
 graft src/calibreweb
+global-exclude __pycache__
+global-exclude *.pyc
@@ -1,10 +1,3 @@
-# Short Notice from the maintainer 
-
-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 will look into the issues and maybe also the PRs from time to time, but don't expect a quick response from me.
-
 # Calibre-Web

 Calibre-Web is a web app that offers a clean and intuitive interface for browsing, reading, and downloading eBooks using a valid [Calibre](https://calibre-ebook.com) database.
@@ -26,13 +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)
@@ -64,51 +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 3.5+
- [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)
- 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.
+- **Windows Users**: Install [libmagic](https://gnuwin32.sourceforge.net/downlinks/file.php) for 32bit python or [libmagic for 64bit python](https://github.com/nscaife/file-windows/releases/tag/20170108), depending on your Python version. Make sure these files are included in your path.
+- **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 convertertool" to `/usr/bin/ebook-convert`
-  - 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.
+
+- **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

@@ -122,4 +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.
@@ -10,41 +10,46 @@ 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 ||
+| 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                                            ||
+
+


 ## Statement regarding Log4j (CVE-2021-44228 and related)
@@ -27,7 +27,23 @@ sys.path.insert(0, path)

 from cps.main import main

+
+def hide_console_windows():
+    import ctypes
+
+    kernel32 = ctypes.WinDLL('kernel32')
+    user32 = ctypes.WinDLL('user32')
+
+    SW_HIDE = 0
+
+    hWnd = kernel32.GetConsoleWindow()
+    if hWnd:
+        user32.ShowWindow(hWnd, SW_HIDE)
+
+
 if __name__ == '__main__':
+    if os.name == "nt":
+        hide_console_windows()
    main()


@@ -20,33 +20,18 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.

+from .cw_login import LoginManager
+from flask import session

-from flask_login import LoginManager, confirm_login
-from flask import session, current_app
-from flask_login.utils import decode_cookie
-from flask_login.signals import user_loaded_from_cookie

 class MyLoginManager(LoginManager):
    def _session_protection_failed(self):
        sess = session._get_current_object()
        ident = self._session_identifier_generator()
        if(sess and not (len(sess) == 1
-                             and sess.get('csrf_token', None))) and ident != sess.get('_id', None):
+                         and sess.get('csrf_token', None))) and ident != sess.get('_id', None):
            return super(). _session_protection_failed()
        return False

-    def _load_user_from_remember_cookie(self, cookie):
-        user_id = decode_cookie(cookie)
-        if user_id is not None:
-            session["_user_id"] = user_id
-            session["_fresh"] = False
-            user = None
-            if self._user_callback:
-                user = self._user_callback(user_id)
-            if user is not None:
-                app = current_app._get_current_object()
-                user_loaded_from_cookie.send(app, user=user)
-                # if session was restored from remember me cookie make login valid
-                confirm_login()
-                return user
-        return None
+
+
@@ -31,12 +31,10 @@ 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
@@ -56,23 +54,29 @@ except ImportError:
 mimetypes.init()
 mimetypes.add_type('application/xhtml+xml', '.xhtml')
 mimetypes.add_type('application/epub+zip', '.epub')
-mimetypes.add_type('application/fb2+zip', '.fb2')
-mimetypes.add_type('application/x-mobipocket-ebook', '.mobi')
-mimetypes.add_type('application/x-mobipocket-ebook', '.prc')
+mimetypes.add_type('application/epub+zip', '.kepub')
+mimetypes.add_type('text/xml', '.fb2')
+mimetypes.add_type('application/octet-stream', '.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-cbr', '.cbr')
-mimetypes.add_type('application/x-cbz', '.cbz')
-mimetypes.add_type('application/x-cbt', '.cbt')
-mimetypes.add_type('application/x-cb7', '.cb7')
+mimetypes.add_type('application/x-rar', '.cbr')
+mimetypes.add_type('application/zip', '.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('application/mpeg', '.mpeg')
-mimetypes.add_type('application/mpeg', '.mp3')
-mimetypes.add_type('application/mp4', '.m4a')
-mimetypes.add_type('application/mp4', '.m4b')
-mimetypes.add_type('application/ogg', '.ogg')
+mimetypes.add_type('audio/mpeg', '.mp3')
+mimetypes.add_type('audio/x-m4a', '.m4a')
+mimetypes.add_type('audio/x-m4a', '.m4b')
+mimetypes.add_type('audio/x-hx-aac-adts', '.aac')
+mimetypes.add_type('audio/vnd.dolby.dd-raw', '.ac3')
+mimetypes.add_type('video/x-ms-asf', '.asf')
+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')

 log = logger.create()
@@ -81,8 +85,10 @@ app = Flask(__name__)
 app.config.update(
    SESSION_COOKIE_HTTPONLY=True,
    SESSION_COOKIE_SAMESITE='Lax',
-    REMEMBER_COOKIE_SAMESITE='Lax',  # will be available in flask-login 0.5.1 earliest
-    WTF_CSRF_SSL_STRICT=False
+    REMEMBER_COOKIE_SAMESITE='Strict',
+    WTF_CSRF_SSL_STRICT=False,
+    SESSION_COOKIE_NAME=os.environ.get('COOKIE_PREFIX', "") + "session",
+    REMEMBER_COOKIE_NAME=os.environ.get('COOKIE_PREFIX', "") + "remember_token"
 )

 lm = MyLoginManager()
@@ -107,6 +113,7 @@ if limiter_present:
 else:
    limiter = None

+
 def create_app():
    if csrf:
        csrf.init_app(app)
@@ -174,6 +181,7 @@ 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)
@@ -186,7 +194,6 @@ def create_app():
        services.ldap.init_app(app, config)
    if services.goodreads_support:
        services.goodreads_support.connect(config.config_goodreads_api_key,
-                                           config.config_goodreads_api_secret_e,
                                           config.config_use_goodreads)
    config.store_calibre_uuid(calibre_db, db.Library_Id)
    # Configure rate limiter
@@ -23,15 +23,15 @@
 import sys
 import platform
 import sqlite3
+import importlib
 from collections import OrderedDict

 import flask
-import flask_login
-import jinja2
 from flask_babel import gettext as _

 from . import db, calibre_db, converter, uploader, constants, dep_check
 from .render_template import render_title_template
+from .usermanagement import user_login_required


 about = flask.Blueprint('about', __name__)
@@ -41,17 +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'] = jinja2.__version__
-modules['pySqlite'] = sqlite3.version
+modules['Jinja2'] = importlib.metadata.version("jinja2")
+if sys.version_info < (3, 12):
+    modules['pySqlite'] = sqlite3.version
 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('%', '%%'))

@@ -74,7 +75,7 @@ def collect_stats():


@about.route("/stats")
-@flask_login.login_required
+@user_login_required
 def stats():
    counter = calibre_db.session.query(db.Books).count()
    authors = calibre_db.session.query(db.Authors).count()
@@ -34,10 +34,9 @@ from urllib.parse import urlparse

 from flask import Blueprint, flash, redirect, url_for, abort, request, make_response, send_from_directory, g, Response
 from markupsafe import Markup
-from flask_login import login_required, current_user, logout_user
+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 flask import session as flask_session
 from sqlalchemy import and_
 from sqlalchemy.orm.attributes import flag_modified
 from sqlalchemy.exc import IntegrityError, OperationalError, InvalidRequestError
@@ -52,8 +51,10 @@ from .embed_helper import get_calibre_binarypath
 from .gdriveutils import is_gdrive_ready, gdrive_support
 from .render_template import render_title_template, get_sidebar_config
 from .services.worker import WorkerThread
-from .babel import get_available_translations, get_available_locale, get_user_locale_language
+from .usermanagement import user_login_required
+from .cw_babel import get_available_translations, get_available_locale, get_user_locale_language
 from . import debug_info
+from .string_helper import strip_whitespaces

 log = logger.create()

@@ -103,13 +104,13 @@ def admin_required(f):

@admi.before_app_request
 def before_request():
-    try:
-        if not ub.check_user_session(current_user.id,
-                                     flask_session.get('_id')) and 'opds' not in request.path \
-          and config.config_session == 1:
-            logout_user()
-    except AttributeError:
-        pass    # ? fails on requesting /ajax/emailstat during restart ?
+    #try:
+        #if not ub.check_user_session(current_user.id,
+        #                             flask_session.get('_id')) and 'opds' not in request.path \
+        #  and config.config_session == 1:
+        #    logout_user()
+    #except AttributeError:
+    #    pass    # ? fails on requesting /ajax/emailstat during restart ?
    g.constants = constants
    g.google_site_verification = os.getenv('GOOGLE_SITE_VERIFICATION', '')
    g.allow_registration = config.config_public_reg
@@ -129,14 +130,14 @@ def before_request():
        return redirect(url_for('admin.db_configuration'))


-@admi.route("/admin")
-@login_required
-def admin_forbidden():
-    abort(403)
+#@admi.route("/admin")
+#@user_login_required
+#def admin_forbidden():
+#    abort(403)


@admi.route("/shutdown", methods=["POST"])
-@login_required
+@user_login_required
@admin_required
 def shutdown():
    task = request.get_json().get('parameter', -1)
@@ -165,7 +166,7 @@ def shutdown():


@admi.route("/metadata_backup", methods=["POST"])
-@login_required
+@user_login_required
@admin_required
 def queue_metadata_backup():
    show_text = {}
@@ -189,7 +190,7 @@ def reconnect():

@admi.route("/ajax/updateThumbnails", methods=['POST'])
@admin_required
-@login_required
+@user_login_required
 def update_thumbnails():
    content = config.get_scheduled_task_settings()
    if content['schedule_generate_book_covers']:
@@ -199,7 +200,7 @@ def update_thumbnails():


@admi.route("/admin/view")
-@login_required
+@user_login_required
@admin_required
 def admin():
    version = updater_thread.get_current_version_info()
@@ -233,7 +234,7 @@ def admin():


@admi.route("/admin/dbconfig", methods=["GET", "POST"])
-@login_required
+@user_login_required
@admin_required
 def db_configuration():
    if request.method == "POST":
@@ -242,7 +243,7 @@ def db_configuration():


@admi.route("/admin/config", methods=["GET"])
-@login_required
+@user_login_required
@admin_required
 def configuration():
    return render_title_template("config_edit.html",
@@ -253,28 +254,28 @@ def configuration():


@admi.route("/admin/ajaxconfig", methods=["POST"])
-@login_required
+@user_login_required
@admin_required
 def ajax_config():
    return _configuration_update_helper()


@admi.route("/admin/ajaxdbconfig", methods=["POST"])
-@login_required
+@user_login_required
@admin_required
 def ajax_db_config():
    return _db_configuration_update_helper()


@admi.route("/admin/alive", methods=["GET"])
-@login_required
+@user_login_required
@admin_required
 def calibreweb_alive():
    return "", 200


@admi.route("/admin/viewconfig")
-@login_required
+@user_login_required
@admin_required
 def view_configuration():
    read_column = calibre_db.session.query(db.CustomColumns) \
@@ -291,7 +292,7 @@ def view_configuration():


@admi.route("/admin/usertable")
-@login_required
+@user_login_required
@admin_required
 def edit_user_table():
    visibility = current_user.view_settings.get('useredit', {})
@@ -305,7 +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:
@@ -326,7 +335,7 @@ def edit_user_table():


@admi.route("/ajax/listusers")
-@login_required
+@user_login_required
@admin_required
 def list_users():
    off = int(request.args.get("offset") or 0)
@@ -377,7 +386,7 @@ def list_users():


@admi.route("/ajax/deleteuser", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def delete_user():
    user_ids = request.form.to_dict(flat=False)
@@ -412,7 +421,7 @@ def delete_user():


@admi.route("/ajax/getlocale")
-@login_required
+@user_login_required
@admin_required
 def table_get_locale():
    locale = get_available_locale()
@@ -424,7 +433,7 @@ def table_get_locale():


@admi.route("/ajax/getdefaultlanguage")
-@login_required
+@user_login_required
@admin_required
 def table_get_default_lang():
    languages = calibre_db.speaking_language()
@@ -436,7 +445,7 @@ def table_get_default_lang():


@admi.route("/ajax/editlistusers/<param>", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def edit_list_user(param):
    vals = request.form.to_dict(flat=False)
@@ -463,9 +472,9 @@ def edit_list_user(param):
                if 'value[]' in vals:
                    setattr(user, param, prepare_tags(user, vals['action'][0], param, vals['value[]']))
                else:
-                    setattr(user, param, vals['value'].strip())
+                    setattr(user, param, strip_whitespaces(vals['value']))
            else:
-                vals['value'] = vals['value'].strip()
+                vals['value'] = strip_whitespaces(vals['value'])
                if param == 'name':
                    if user.name == "Guest":
                        raise Exception(_("Guest Name can't be changed"))
@@ -479,7 +488,7 @@ def edit_list_user(param):
                elif param.endswith('role'):
                    value = int(vals['field_index'])
                    if user.name == "Guest" and value in \
-                        [constants.ROLE_ADMIN, constants.ROLE_PASSWD, constants.ROLE_EDIT_SHELFS]:
+                      [constants.ROLE_ADMIN, constants.ROLE_PASSWD, constants.ROLE_EDIT_SHELFS]:
                        raise Exception(_("Guest can't have this role"))
                    # check for valid value, last on checks for power of 2 value
                    if value > 0 and value <= constants.ROLE_VIEWER and (value & value - 1 == 0 or value == 1):
@@ -541,7 +550,7 @@ def edit_list_user(param):


@admi.route("/ajax/user_table_settings", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def update_table_settings():
    current_user.view_settings['useredit'] = json.loads(request.data)
@@ -558,7 +567,7 @@ def update_table_settings():


@admi.route("/admin/viewconfig", methods=["POST"])
-@login_required
+@user_login_required
@admin_required
 def update_view_configuration():
    to_save = request.form.to_dict()
@@ -566,7 +575,7 @@ def update_view_configuration():
    _config_string(to_save, "config_calibre_web_title")
    _config_string(to_save, "config_columns_to_ignore")
    if _config_string(to_save, "config_title_regex"):
-        calibre_db.update_title_sort(config)
+        calibre_db.create_functions(config)

    if not check_valid_read_column(to_save.get("config_read_column", "0")):
        flash(_("Invalid Read Column"), category="error")
@@ -603,7 +612,7 @@ def update_view_configuration():


@admi.route("/ajax/loaddialogtexts/<element_id>", methods=['POST'])
-@login_required
+@user_login_required
 def load_dialogtexts(element_id):
    texts = {"header": "", "main": "", "valid": 1}
    if element_id == "config_delete_kobo_token":
@@ -639,7 +648,7 @@ def load_dialogtexts(element_id):


@admi.route("/ajax/editdomain/<int:allow>", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def edit_domain(allow):
    # POST /post
@@ -653,7 +662,7 @@ def edit_domain(allow):


@admi.route("/ajax/adddomain/<int:allow>", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def add_domain(allow):
    domain_name = request.form.to_dict()['domainname'].replace('*', '%').replace('?', '_').lower()
@@ -667,7 +676,7 @@ def add_domain(allow):


@admi.route("/ajax/deletedomain", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def delete_domain():
    try:
@@ -685,12 +694,12 @@ def delete_domain():


@admi.route("/ajax/domainlist/<int:allow>")
-@login_required
+@user_login_required
@admin_required
 def list_domain(allow):
    answer = ub.session.query(ub.Registration).filter(ub.Registration.allow == allow).all()
    json_dumps = json.dumps([{"domain": r.domain.replace('%', '*').replace('_', '?'), "id": r.id} for r in answer])
-    js = json.dumps(json_dumps.replace('"', "'")).lstrip('"').strip('"')
+    js = json.dumps(json_dumps.replace('"', "'")).strip('"')
    response = make_response(js.replace("'", '"'))
    response.headers["Content-Type"] = "application/json; charset=utf-8"
    return response
@@ -698,7 +707,7 @@ def list_domain(allow):

@admi.route("/ajax/editrestriction/<int:res_type>", defaults={"user_id": 0}, methods=['POST'])
@admi.route("/ajax/editrestriction/<int:res_type>/<int:user_id>", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def edit_restriction(res_type, user_id):
    element = request.form.to_dict()
@@ -764,14 +773,14 @@ def edit_restriction(res_type, user_id):


@admi.route("/ajax/addrestriction/<int:res_type>", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def add_user_0_restriction(res_type):
    return add_restriction(res_type, 0)


@admi.route("/ajax/addrestriction/<int:res_type>/<int:user_id>", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def add_restriction(res_type, user_id):
    element = request.form.to_dict()
@@ -817,14 +826,14 @@ def add_restriction(res_type, user_id):


@admi.route("/ajax/deleterestriction/<int:res_type>", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def delete_user_0_restriction(res_type):
    return delete_restriction(res_type, 0)


@admi.route("/ajax/deleterestriction/<int:res_type>/<int:user_id>", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def delete_restriction(res_type, user_id):
    element = request.form.to_dict()
@@ -872,7 +881,7 @@ def delete_restriction(res_type, user_id):

@admi.route("/ajax/listrestriction/<int:res_type>", defaults={"user_id": 0})
@admi.route("/ajax/listrestriction/<int:res_type>/<int:user_id>")
-@login_required
+@user_login_required
@admin_required
 def list_restriction(res_type, user_id):
    if res_type == 0:  # Tags as template
@@ -916,20 +925,20 @@ def list_restriction(res_type, user_id):


@admi.route("/ajax/fullsync", methods=["POST"])
-@login_required
+@user_login_required
 def ajax_self_fullsync():
    return do_full_kobo_sync(current_user.id)


@admi.route("/ajax/fullsync/<int:userid>", methods=["POST"])
-@login_required
+@user_login_required
@admin_required
 def ajax_fullsync(userid):
    return do_full_kobo_sync(userid)


@admi.route("/ajax/pathchooser/")
-@login_required
+@user_login_required
@admin_required
 def ajax_pathchooser():
    return pathchooser()
@@ -945,7 +954,7 @@ def do_full_kobo_sync(userid):
 def check_valid_read_column(column):
    if column != "0":
        if not calibre_db.session.query(db.CustomColumns).filter(db.CustomColumns.id == column) \
-            .filter(and_(db.CustomColumns.datatype == 'bool', db.CustomColumns.mark_for_delete == 0)).all():
+          .filter(and_(db.CustomColumns.datatype == 'bool', db.CustomColumns.mark_for_delete == 0)).all():
            return False
    return True

@@ -953,7 +962,7 @@ def check_valid_read_column(column):
 def check_valid_restricted_column(column):
    if column != "0":
        if not calibre_db.session.query(db.CustomColumns).filter(db.CustomColumns.id == column) \
-            .filter(and_(db.CustomColumns.datatype == 'text', db.CustomColumns.mark_for_delete == 0)).all():
+          .filter(and_(db.CustomColumns.datatype == 'text', db.CustomColumns.mark_for_delete == 0)).all():
            return False
    return True

@@ -981,8 +990,14 @@ 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":
@@ -999,10 +1014,7 @@ def get_drives(current):
    for d in string.ascii_uppercase:
        if os.path.exists('{}:'.format(d)) and current[0].lower() != d.lower():
            drive = "{}:\\".format(d)
-            data = {"name": drive, "fullpath": drive}
-            data["sort"] = "_" + data["fullpath"].lower()
-            data["type"] = "dir"
-            data["size"] = ""
+            data = {"name": drive, "fullpath": drive, "type": "dir", "size": "", "sort": "_" + drive.lower()}
            drive_letters.append(data)
    return drive_letters

@@ -1103,7 +1115,7 @@ def _config_checkbox_int(to_save, x):


 def _config_string(to_save, x):
-    return config.set_from_dictionary(to_save, x, lambda y: y.strip().strip(u'\u200B\u200C\u200D\ufeff') if y else y)
+    return config.set_from_dictionary(to_save, x, lambda y: strip_whitespaces(y) if y else y)


 def _configuration_gdrive_helper(to_save):
@@ -1142,12 +1154,12 @@ def _configuration_oauth_helper(to_save):
    reboot_required = False
    for element in oauthblueprints:
        if to_save["config_" + str(element['id']) + "_oauth_client_id"] != element['oauth_client_id'] \
-            or to_save["config_" + str(element['id']) + "_oauth_client_secret"] != element['oauth_client_secret']:
+          or to_save["config_" + str(element['id']) + "_oauth_client_secret"] != element['oauth_client_secret']:
            reboot_required = True
            element['oauth_client_id'] = to_save["config_" + str(element['id']) + "_oauth_client_id"]
            element['oauth_client_secret'] = to_save["config_" + str(element['id']) + "_oauth_client_secret"]
        if to_save["config_" + str(element['id']) + "_oauth_client_id"] \
-            and to_save["config_" + str(element['id']) + "_oauth_client_secret"]:
+          and to_save["config_" + str(element['id']) + "_oauth_client_secret"]:
            active_oauths += 1
            element["active"] = 1
        else:
@@ -1202,9 +1214,9 @@ def _configuration_ldap_helper(to_save):
    config.save()

    if not config.config_ldap_provider_url \
-        or not config.config_ldap_port \
-        or not config.config_ldap_dn \
-        or not config.config_ldap_user_object:
+      or not config.config_ldap_port \
+      or not config.config_ldap_dn \
+      or not config.config_ldap_user_object:
        return reboot_required, _configuration_result(_('Please Enter a LDAP Provider, '
                                                        'Port, DN and User Object Identifier'))

@@ -1249,7 +1261,7 @@ def _configuration_ldap_helper(to_save):


@admi.route("/ajax/simulatedbchange", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def simulatedbchange():
    db_change, db_valid = _db_simulate_change()
@@ -1257,7 +1269,7 @@ def simulatedbchange():


@admi.route("/admin/user/new", methods=["GET", "POST"])
-@login_required
+@user_login_required
@admin_required
 def new_user():
    content = ub.User()
@@ -1279,7 +1291,7 @@ def new_user():


@admi.route("/admin/mailsettings", methods=["GET"])
-@login_required
+@user_login_required
@admin_required
 def edit_mailsettings():
    content = config.get_mail_settings()
@@ -1288,7 +1300,7 @@ def edit_mailsettings():


@admi.route("/admin/mailsettings", methods=["POST"])
-@login_required
+@user_login_required
@admin_required
 def update_mailsettings():
    to_save = request.form.to_dict()
@@ -1314,9 +1326,9 @@ def update_mailsettings():
        if to_save.get("mail_password_e", ""):
            _config_string(to_save, "mail_password_e")
        _config_int(to_save, "mail_size", lambda y: int(y) * 1024 * 1024)
-        config.mail_server = to_save.get('mail_server', "").strip()
-        config.mail_from = to_save.get('mail_from', "").strip()
-        config.mail_login = to_save.get('mail_login', "").strip()
+        config.mail_server = strip_whitespaces(to_save.get('mail_server', ""))
+        config.mail_from = strip_whitespaces(to_save.get('mail_from', ""))
+        config.mail_login = strip_whitespaces(to_save.get('mail_login', ""))
    try:
        config.save()
    except (OperationalError, InvalidRequestError) as e:
@@ -1345,7 +1357,7 @@ def update_mailsettings():


@admi.route("/admin/scheduledtasks")
-@login_required
+@user_login_required
@admin_required
 def edit_scheduledtasks():
    content = config.get_scheduled_task_settings()
@@ -1366,13 +1378,13 @@ def edit_scheduledtasks():


@admi.route("/admin/scheduledtasks", methods=["POST"])
-@login_required
+@user_login_required
@admin_required
 def update_scheduledtasks():
    error = False
    to_save = request.form.to_dict()
    if 0 <= int(to_save.get("schedule_start_time")) <= 23:
-        _config_int( to_save, "schedule_start_time")
+        _config_int(to_save, "schedule_start_time")
    else:
        flash(_("Invalid start time for task specified"), category="error")
        error = True
@@ -1409,7 +1421,7 @@ def update_scheduledtasks():


@admi.route("/admin/user/<int:user_id>", methods=["GET", "POST"])
-@login_required
+@user_login_required
@admin_required
 def edit_user(user_id):
    content = ub.session.query(ub.User).filter(ub.User.id == int(user_id)).first()  # type: ub.User
@@ -1438,7 +1450,7 @@ def edit_user(user_id):


@admi.route("/admin/resetpassword/<int:user_id>", methods=["POST"])
-@login_required
+@user_login_required
@admin_required
 def reset_user_password(user_id):
    if current_user is not None and current_user.is_authenticated:
@@ -1456,7 +1468,7 @@ def reset_user_password(user_id):


@admi.route("/admin/logfile")
-@login_required
+@user_login_required
@admin_required
 def view_logfile():
    logfiles = {0: logger.get_logfile(config.config_logfile),
@@ -1470,7 +1482,7 @@ def view_logfile():


@admi.route("/ajax/log/<int:logtype>")
-@login_required
+@user_login_required
@admin_required
 def send_logfile(logtype):
    if logtype == 1:
@@ -1486,7 +1498,7 @@ def send_logfile(logtype):


@admi.route("/admin/logdownload/<int:logtype>")
-@login_required
+@user_login_required
@admin_required
 def download_log(logtype):
    if logtype == 0:
@@ -1501,14 +1513,14 @@ def download_log(logtype):


@admi.route("/admin/debug")
-@login_required
+@user_login_required
@admin_required
 def download_debug():
    return debug_info.send_debug()


@admi.route("/get_update_status", methods=['GET'])
-@login_required
+@user_login_required
@admin_required
 def get_update_status():
    if feature_support['updater']:
@@ -1519,7 +1531,7 @@ def get_update_status():


@admi.route("/get_updater_status", methods=['GET', 'POST'])
-@login_required
+@user_login_required
@admin_required
 def get_updater_status():
    status = {}
@@ -1614,7 +1626,7 @@ def ldap_import_create_user(user, user_data):


@admi.route('/import_ldap_users', methods=["POST"])
-@login_required
+@user_login_required
@admin_required
 def import_ldap_users():
    showtext = {}
@@ -1631,7 +1643,10 @@ def import_ldap_users():

    imported = 0
    for username in new_users:
-        user = username.decode('utf-8')
+        if isinstance(username, bytes):
+            user = username.decode('utf-8')
+        else:
+            user = username
        if '=' in user:
            # if member object field is empty take user object as filter
            if config.config_ldap_member_user_object:
@@ -1666,7 +1681,7 @@ def import_ldap_users():


@admi.route("/ajax/canceltask", methods=['POST'])
-@login_required
+@user_login_required
@admin_required
 def cancel_task():
    task_id = request.get_json().get('task_id', None)
@@ -1678,10 +1693,10 @@ def cancel_task():
 def _db_simulate_change():
    param = request.form.to_dict()
    to_save = dict()
-    to_save['config_calibre_dir'] = re.sub(r'[\\/]metadata\.db$',
+    to_save['config_calibre_dir'] = strip_whitespaces(re.sub(r'[\\/]metadata\.db$',
                                           '',
                                           param['config_calibre_dir'],
-                                           flags=re.IGNORECASE).strip()
+                                           flags=re.IGNORECASE))
    db_valid, db_change = calibre_db.check_valid_db(to_save["config_calibre_dir"],
                                                    ub.app_DB_path,
                                                    config.config_calibre_uuid)
@@ -1715,9 +1730,16 @@ def _db_configuration_update_helper():
            db_change = True
    except Exception as ex:
        return _db_configuration_result('{}'.format(ex), gdrive_error)
+    config.config_calibre_split = to_save.get('config_calibre_split', 0) == "on"
+    if config.config_calibre_split:
+        split_dir = to_save.get("config_calibre_split_dir")
+        if not os.path.exists(split_dir):
+            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"]:
+      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:
@@ -1736,12 +1758,18 @@ 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)
        if not os.access(os.path.join(config.config_calibre_dir, "metadata.db"), os.W_OK):
            flash(_("DB is not Writeable"), category="warning")
-    _config_string(to_save, "config_calibre_split_dir")
-    config.config_calibre_split = to_save.get('config_calibre_split', 0) == "on"
    calibre_db.update_config(config)
    config.save()
    return _db_configuration_result(None, gdrive_error)
@@ -1775,9 +1803,8 @@ def _configuration_update_helper():

        if "config_upload_formats" in to_save:
            to_save["config_upload_formats"] = ','.join(
-                helper.uniq([x.lstrip().rstrip().lower() for x in to_save["config_upload_formats"].split(',')]))
+                helper.uniq([x.strip().lower() for x in to_save["config_upload_formats"].split(',')]))
            _config_string(to_save, "config_upload_formats")
-            constants.EXTENSIONS_UPLOAD = config.config_upload_formats.split(',')

        _config_string(to_save, "config_calibre")
        _config_string(to_save, "config_binariesdir")
@@ -1806,11 +1833,8 @@ def _configuration_update_helper():
        # Goodreads configuration
        _config_checkbox(to_save, "config_use_goodreads")
        _config_string(to_save, "config_goodreads_api_key")
-        if to_save.get("config_goodreads_api_secret_e", ""):
-            _config_string(to_save, "config_goodreads_api_secret_e")
        if services.goodreads_support:
            services.goodreads_support.connect(config.config_goodreads_api_key,
-                                               config.config_goodreads_api_secret_e,
                                               config.config_use_goodreads)

        _config_int(to_save, "config_updatechannel")
@@ -1830,6 +1854,7 @@ def _configuration_update_helper():
        reboot_required |= reboot

        # security configuration
+        _config_checkbox(to_save, "config_check_extensions")
        _config_checkbox(to_save, "config_password_policy")
        _config_checkbox(to_save, "config_password_number")
        _config_checkbox(to_save, "config_password_lower")
@@ -2078,7 +2103,7 @@ 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:
@@ -2086,7 +2111,7 @@ 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:
@@ -0,0 +1,153 @@
+# -*- coding: utf-8 -*-
+
+#  This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
+#    Copyright (C) 2024 Ozzieisaacs
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  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
+
+from cps.constants import BookMeta
+
+log = logger.create()
+
+def get_audio_file_info(tmp_file_path, original_file_extension, original_file_name, no_cover_processing):
+    tmp_cover_name = None
+    audio_file = mutagen.File(tmp_file_path)
+    comments = None
+    if original_file_extension in [".mp3", ".wav", ".aiff"]:
+        cover_data = list()
+        for key, val in audio_file.tags.items():
+            if key.startswith("APIC:"):
+                cover_data.append(val)
+            if key.startswith("COMM:"):
+                comments = val.text[0]
+        title = audio_file.tags.get('TIT2').text[0] if "TIT2" in audio_file.tags else None
+        author = audio_file.tags.get('TPE1').text[0] if "TPE1" in audio_file.tags else None
+        if author is None:
+            author = audio_file.tags.get('TPE2').text[0] if "TPE2" in audio_file.tags else None
+        tags = audio_file.tags.get('TCON').text[0] if "TCON" in audio_file.tags else None # Genre
+        series = audio_file.tags.get('TALB').text[0] if "TALB" in audio_file.tags else None# Album
+        series_id = audio_file.tags.get('TRCK').text[0] if "TRCK" in audio_file.tags else None # track no.
+        publisher = audio_file.tags.get('TPUB').text[0] if "TPUB" in audio_file.tags else None
+        pubdate = str(audio_file.tags.get('TDRL').text[0]) if "TDRL" in audio_file.tags else None
+        if not pubdate:
+            pubdate = str(audio_file.tags.get('TDRC').text[0]) if "TDRC" in audio_file.tags else None
+            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:])
+    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
+        comments = audio_file.tags.get('COMMENTS')[0] if "COMMENTS" in audio_file else None
+        tags = audio_file.tags.get('GENRE')[0] if "GENRE" in audio_file else None # Genre
+        series = audio_file.tags.get('ALBUM')[0] if "ALBUM" in audio_file else None
+        series_id = audio_file.tags.get('TRACKNUMBER')[0] if "TRACKNUMBER" in audio_file else None
+        publisher = audio_file.tags.get('LABEL')[0] if "LABEL" in audio_file else None
+        pubdate = audio_file.tags.get('DATE')[0] if "DATE" in audio_file else None
+        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:])
+            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:])
+    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
+        comments = audio_file.tags.get('Comment').value if "Comment" in audio_file else None
+        tags = audio_file.tags.get('Genre').value if "Genre" in audio_file else None
+        series = audio_file.tags.get('Album').value if "Album" in audio_file else None
+        series_id = audio_file.tags.get('Track').value if "Track" in audio_file else None
+        publisher = audio_file.tags.get('Label').value if "Label" in audio_file else None
+        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')
+            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"]:
+        title = audio_file.tags.get('Title')[0].value if "Title" in audio_file else None
+        author = audio_file.tags.get('Artist')[0].value if "Artist" in audio_file else None
+        comments = audio_file.tags.get('Comments')[0].value if "Comments" in audio_file else None
+        tags = audio_file.tags.get('Genre')[0].value if "Genre" in audio_file else None
+        series = audio_file.tags.get('Album')[0].value if "Album" in audio_file else None
+        series_id = audio_file.tags.get('Track')[0].value if "Track" in audio_file else None
+        publisher = audio_file.tags.get('Label')[0].value if "Label" in audio_file else None
+        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')
+            with open(tmp_cover_name, "wb") as cover_file:
+                cover_file.write(cover_data[0].value)
+    elif original_file_extension in [".mp4", ".m4a", ".m4b"]:
+        title = audio_file.tags.get('©nam')[0] if "©nam" in audio_file.tags else None
+        author = audio_file.tags.get('©ART')[0] if "©ART" in audio_file.tags else None
+        comments = audio_file.tags.get('©cmt')[0] if "©cmt" in audio_file.tags else None
+        tags = audio_file.tags.get('©gen')[0] if "©gen" in audio_file.tags else None
+        series = audio_file.tags.get('©alb')[0] if "©alb" in audio_file.tags else None
+        series_id = str(audio_file.tags.get('trkn')[0][0]) if "trkn" in audio_file.tags else None
+        publisher = ""
+        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:
+                    cover_type =".jpg"
+                    cover_bin = c
+                    break
+                elif c.imageformat == mutagen.mp4.AtomDataType.PNG:
+                    cover_type = ".png"
+                    cover_bin = c
+                    break
+            if cover_type:
+                cover.cover_processing(tmp_file_path, cover_bin, cover_type)
+            else:
+                logger.error("Unknown covertype in file {} ".format(original_file_name))
+
+    return BookMeta(
+        file_path=tmp_file_path,
+        extension=original_file_extension,
+        title=title or original_file_name ,
+        author="Unknown" if author is None else author,
+        cover=tmp_cover_name,
+        description="" if comments is None else comments,
+        tags="" if tags is None else tags,
+        series="" if series is None else series,
+        series_id="1" if series_id is None else series_id.split("/")[0],
+        languages="",
+        publisher= "" if publisher is None else publisher,
+        pubdate="" if pubdate is None else pubdate,
+        identifiers=[],
+    )
@@ -1,90 +0,0 @@
-#  This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
-#    Copyright (C) 2018-2019 OzzieIsaacs, cervinko, jkrehm, bodybybuddha, ok11,
-#                            andy29485, idalin, Kyosfonica, wuqi, Kennyl, lemmsh,
-#                            falgh1, grunjol, csitko, ytils, xybydy, trasba, vrabe,
-#                            ruben-herold, marblepebble, JackED42, SiphonSquirrel,
-#                            apetresc, nanu-c, mutschler, carderne
-#
-#  This program is free software: you can redistribute it and/or modify
-#  it under the terms of the GNU General Public License as published by
-#  the Free Software Foundation, either version 3 of the License, or
-#  (at your option) any later version.
-#
-#  This program is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#  GNU General Public License for more details.
-#
-#  You should have received a copy of the GNU General Public License
-#  along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-
-from cps.pagination import Pagination
-from flask import Blueprint
-from flask_babel import gettext as _
-from flask_babel import get_locale
-from flask import request, redirect, url_for
-
-from . import logger, isoLanguages
-from . import db, config
-from . import calibre_db
-from .usermanagement import login_required_if_no_ano
-from .render_template import render_title_template
-from .web import get_sort_function
-
-try:
-    from natsort import natsorted as sort
-except ImportError:
-    sort = sorted  # Just use regular sort then, may cause issues with badly named pages in cbz/cbr files
-
-basic = Blueprint('basic', __name__)
-
-log = logger.create()
-
-
-@basic.route("/basic", methods=["GET"])
-@login_required_if_no_ano
-def index():
-    term = request.args.get("query", "")  # default to showing all books
-    limit = 15
-    page = int(request.args.get("page") or 1)
-    off = (page - 1) * limit
-    order = get_sort_function("stored", "search")
-    join = db.books_series_link, db.Books.id == db.books_series_link.c.book, db.Series
-    entries, result_count, pagination = calibre_db.get_search_results(term,
-                                                                      config,
-                                                                      off,
-                                                                      order,
-                                                                      limit,
-                                                                      *join)
-    return render_title_template('basic_index.html',
-                                 searchterm=term,
-                                 pagination=pagination,
-                                 query=term,
-                                 adv_searchterm=term,
-                                 entries=entries,
-                                 result_count=result_count,
-                                 title=_("Search"),
-                                 page="search",
-                                 order=order[1])
-
-
-@basic.route("/basic_book/<int:book_id>")
-@login_required_if_no_ano
-def show_book(book_id):
-    entries = calibre_db.get_book_read_archived(book_id, config.config_read_column, allow_show_archived=True)
-    if entries:
-        entry = entries[0]
-        for lang_index in range(0, len(entry.languages)):
-            entry.languages[lang_index].language_name = isoLanguages.get_language_name(get_locale(), entry.languages[
-                lang_index].lang_code)
-        entry.ordered_authors = calibre_db.order_authors([entry])
-
-        return render_title_template('basic_detail.html',
-                                     entry=entry,
-                                     is_xhr=request.headers.get('X-Requested-With') == 'XMLHttpRequest',
-                                     title=entry.title,
-                                     page="book")
-    else:
-        log.debug("Selected book is unavailable. File does not exist or is not accessible")
-        return redirect(url_for("basic.index"))
@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+
+#  This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
+#    Copyright (C) 2018-2019 OzzieIsaacs
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from . import logger
+from lxml.etree import ParserError
+
+log = logger.create()
+
+try:
+    # at least bleach 6.0 is needed -> incomplatible change from list arguments to set arguments
+    from bleach import clean as clean_html
+    from bleach.sanitizer import ALLOWED_TAGS
+    bleach = True
+except ImportError:
+    from nh3 import clean as clean_html
+    bleach = False
+
+
+def clean_string(unsafe_text, book_id=0):
+    try:
+        if bleach:
+            allowed_tags = list(ALLOWED_TAGS)
+            allowed_tags.extend(["p", "span", "div", "pre", "br", "h1", "h2", "h3", "h4", "h5", "h6"])
+            safe_text = clean_html(unsafe_text, tags=set(allowed_tags))
+        else:
+            safe_text = clean_html(unsafe_text)
+    except ParserError as e:
+        log.error("Comments of book {} are corrupted: {}".format(book_id, e))
+        safe_text = ""
+    except TypeError as e:
+        log.error("Comments can't be parsed, maybe 'lxml' is too new, try installing 'bleach': {}".format(e))
+        safe_text = ""
+    return safe_text
@@ -29,12 +29,25 @@ 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):

+    def __init__(self):
+        self.user_credentials = None
+        self.ip_address = None
+        self.allow_localhost = None
+        self.reconnect_enable = None
+        self.memory_backend = None
+        self.dry_run = None
+        self.certfilepath = None
+        self.keyfilepath = None
+        self.gd_path = None
+        self.settings_path = None
+        self.logpath = None
+
    def init(self):
        self.arg_parser()

@@ -44,22 +57,25 @@ class CliParameter(object):
                                         prog='cps.py')
        parser.add_argument('-p', metavar='path', help='path and name to settings db, e.g. /opt/cw.db')
        parser.add_argument('-g', metavar='path', help='path and name to gdrive db, e.g. /opt/gd.db')
-        parser.add_argument('-c', metavar='path', help='path and name to SSL certfile, e.g. /opt/test.cert, '
-                                                       'works only in combination with keyfile')
+        parser.add_argument('-c', metavar='path', help='path and name to SSL certfile, '
+                                                       'e.g. /opt/test.cert, works only in combination with keyfile')
        parser.add_argument('-k', metavar='path', help='path and name to SSL keyfile, e.g. /opt/test.key, '
                                                       'works only in combination with certfile')
        parser.add_argument('-o', metavar='path', help='path and name Calibre-Web logfile')
-        parser.add_argument('-v', '--version', action='version', help='Shows version number and exits Calibre-Web',
+        parser.add_argument('-v', '--version', action='version', help='Shows version number '
+                                                                      'and exits Calibre-Web',
                            version=version_info())
        parser.add_argument('-i', metavar='ip-address', help='Server IP-Address to listen')
-        parser.add_argument('-m', action='store_true', help='Use Memory-backend as limiter backend, use this parameter in case of miss configured backend')
+        parser.add_argument('-m', action='store_true',
+                            help='Use Memory-backend as limiter backend, use this parameter '
+                                 'in case of miss configured backend')
        parser.add_argument('-s', metavar='user:pass',
                            help='Sets specific username to new password and exits Calibre-Web')
-        parser.add_argument('-f', action='store_true', help='Flag is depreciated and will be removed in next version')
        parser.add_argument('-l', action='store_true', help='Allow loading covers from localhost')
-        parser.add_argument('-d', action='store_true', help='Dry run of updater to check file permissions in advance '
-                                                            'and exits Calibre-Web')
-        parser.add_argument('-r', action='store_true', help='Enable public database reconnect route under /reconnect')
+        parser.add_argument('-d', action='store_true', help='Dry run of updater to check file permissions '
+                                                            'in advance and exits Calibre-Web')
+        parser.add_argument('-r', action='store_true', help='Enable public database reconnect '
+                                                            'route under /reconnect')
        args = parser.parse_args()

        self.logpath = args.o or ""
@@ -130,6 +146,3 @@ class CliParameter(object):
        if self.user_credentials and ":" not in self.user_credentials:
            print("No valid 'username:password' format")
            sys.exit(3)
-
-        if args.f:
-            print("Warning: -f flag is depreciated and will be removed in next version")
@@ -102,7 +102,7 @@ def _extract_cover_from_archive(original_file_extension, tmp_file_name, rar_exec
                extension = ext[1].lower()
                if extension in cover.COVER_EXTENSIONS:
                    try:
-                        cover_data = cf.read(name)[name].read()
+                        cover_data = cf.read([name])[name].read()
                    except (py7zr.Bad7zFile, OSError) as ex:
                        log.error('7Zip file failed with error: {}'.format(ex))
                    break
@@ -130,7 +130,7 @@ def _extract_cover(tmp_file_name, original_file_extension, rar_executable):
    return cover.cover_processing(tmp_file_name, cover_data, extension)


-def get_comic_info(tmp_file_path, original_file_name, original_file_extension, rar_executable):
+def get_comic_info(tmp_file_path, original_file_name, original_file_extension, rar_executable, no_cover_processing):
    if use_comic_meta:
        try:
            archive = ComicArchive(tmp_file_path, rar_exe_path=rar_executable)
@@ -155,14 +155,17 @@ def get_comic_info(tmp_file_path, original_file_name, original_file_extension, r

            lang = loaded_metadata.language or ""
            loaded_metadata.language = isoLanguages.get_lang3(lang)
-
+            if not no_cover_processing:
+                cover_file = _extract_cover(tmp_file_path, original_file_extension, rar_executable)
+            else:
+                cover_file = None
            return BookMeta(
                file_path=tmp_file_path,
                extension=original_file_extension,
                title=loaded_metadata.title or original_file_name,
                author=" & ".join([credit["person"]
                                   for credit in loaded_metadata.credits if credit["role"] == "Writer"]) or 'Unknown',
-                cover=_extract_cover(tmp_file_path, original_file_extension, rar_executable),
+                cover=cover_file,
                description=loaded_metadata.comments or "",
                tags="",
                series=loaded_metadata.series or "",
@@ -171,13 +174,17 @@ def get_comic_info(tmp_file_path, original_file_name, original_file_extension, r
                publisher="",
                pubdate="",
                identifiers=[])
+    if not no_cover_processing:
+        cover_file = _extract_cover(tmp_file_path, original_file_extension, rar_executable)
+    else:
+        cover_file = None

    return BookMeta(
        file_path=tmp_file_path,
        extension=original_file_extension,
        title=original_file_name,
        author='Unknown',
-        cover=_extract_cover(tmp_file_path, original_file_extension, rar_executable),
+        cover=cover_file,
        description="",
        tags="",
        series="",
@@ -35,7 +35,7 @@ except ImportError:

 from . import constants, logger
 from .subproc_wrapper import process_wait
-
+from .string_helper import strip_whitespaces

 log = logger.create()
 _Base = declarative_base()
@@ -48,6 +48,7 @@ class _Flask_Settings(_Base):
    flask_session_key = Column(BLOB, default=b"")

    def __init__(self, key):
+        super().__init__()
        self.flask_session_key = key


@@ -82,7 +83,9 @@ class _Settings(_Base):
    config_random_books = Column(Integer, default=4)
    config_authors_max = Column(Integer, default=0)
    config_read_column = Column(Integer, default=0)
-    config_title_regex = Column(String, default=r'^(A|The|An|Der|Die|Das|Den|Ein|Eine|Einen|Dem|Des|Einem|Eines|Le|La|Les|L\'|Un|Une)\s+')    
+    config_title_regex = Column(String,
+                                default=r'^(A|The|An|Der|Die|Das|Den|Ein|Eine'
+                                        r'|Einen|Dem|Des|Einem|Eines|Le|La|Les|L\'|Un|Une)\s+')
    config_theme = Column(Integer, default=0)

    config_log_level = Column(SmallInteger, default=logger.DEFAULT_LOG_LEVEL)
@@ -114,8 +117,6 @@ class _Settings(_Base):

    config_use_goodreads = Column(Boolean, default=False)
    config_goodreads_api_key = Column(String)
-    config_goodreads_api_secret_e = Column(String)
-    config_goodreads_api_secret = Column(String)
    config_register_email = Column(Boolean, default=False)
    config_login_type = Column(Integer, default=0)

@@ -171,6 +172,7 @@ class _Settings(_Base):
    config_ratelimiter = Column(Boolean, default=True)
    config_limiter_uri = Column(String, default="")
    config_limiter_options = Column(String, default="")
+    config_check_extensions = Column(Boolean, default=True)

    def __repr__(self):
        return self.__class__.__name__
@@ -193,16 +195,16 @@ class ConfigSQL(object):

        change = False

-        if self.config_binariesdir == None: # pylint: disable=access-member-before-definition
+        if self.config_binariesdir is None:
            change = True
            self.config_binariesdir = autodetect_calibre_binaries()
            self.config_converterpath = autodetect_converter_binary(self.config_binariesdir)

-        if self.config_kepubifypath == None:  # pylint: disable=access-member-before-definition
+        if self.config_kepubifypath is None:
            change = True
            self.config_kepubifypath = autodetect_kepubify_binary()

-        if self.config_rarfile_location == None:  # pylint: disable=access-member-before-definition
+        if self.config_rarfile_location is None:
            change = True
            self.config_rarfile_location = autodetect_unrar_binary()
        if change:
@@ -266,19 +268,19 @@ class ConfigSQL(object):

    def list_denied_tags(self):
        mct = self.config_denied_tags or ""
-        return [t.strip() for t in mct.split(",")]
+        return [strip_whitespaces(t) for t in mct.split(",")]

    def list_allowed_tags(self):
        mct = self.config_allowed_tags or ""
-        return [t.strip() for t in mct.split(",")]
+        return [strip_whitespaces(t) for t in mct.split(",")]

    def list_denied_column_values(self):
        mct = self.config_denied_column_value or ""
-        return [t.strip() for t in mct.split(",")]
+        return [strip_whitespaces(t) for t in mct.split(",")]

    def list_allowed_column_values(self):
        mct = self.config_allowed_column_value or ""
-        return [t.strip() for t in mct.split(",")]
+        return [strip_whitespaces(t) for t in mct.split(",")]

    def get_log_level(self):
        return logger.get_level_name(self.config_log_level)
@@ -350,7 +352,7 @@ class ConfigSQL(object):
            db_file = os.path.join(self.config_calibre_dir, 'metadata.db')
            have_metadata_db = os.path.isfile(db_file)
        self.db_configured = have_metadata_db
-        constants.EXTENSIONS_UPLOAD = [x.lstrip().rstrip().lower() for x in self.config_upload_formats.split(',')]
+        
        from . import cli_param
        if os.environ.get('FLASK_DEBUG'):
            logfile = logger.setup(logger.LOG_TO_STDOUT, logger.logging.DEBUG)
@@ -422,23 +424,16 @@ def _encrypt_fields(session, secret_key):
    except OperationalError:
        with session.bind.connect() as conn:
            conn.execute(text("ALTER TABLE settings ADD column 'mail_password_e' String"))
-            conn.execute(text("ALTER TABLE settings ADD column 'config_goodreads_api_secret_e' String"))
            conn.execute(text("ALTER TABLE settings ADD column 'config_ldap_serv_password_e' String"))
        session.commit()
        crypter = Fernet(secret_key)
-        settings = session.query(_Settings.mail_password, _Settings.config_goodreads_api_secret,
-                                 _Settings.config_ldap_serv_password).first()
+        settings = session.query(_Settings.mail_password, _Settings.config_ldap_serv_password).first()
        if settings.mail_password:
            session.query(_Settings).update(
                {_Settings.mail_password_e: crypter.encrypt(settings.mail_password.encode())})
-        if settings.config_goodreads_api_secret:
-            session.query(_Settings).update(
-                {_Settings.config_goodreads_api_secret_e:
-                     crypter.encrypt(settings.config_goodreads_api_secret.encode())})
        if settings.config_ldap_serv_password:
            session.query(_Settings).update(
-                {_Settings.config_ldap_serv_password_e:
-                     crypter.encrypt(settings.config_ldap_serv_password.encode())})
+                {_Settings.config_ldap_serv_password_e: crypter.encrypt(settings.config_ldap_serv_password.encode())})
        session.commit()


@@ -491,9 +486,12 @@ def autodetect_calibre_binaries():
    else:
        calibre_path = ["/opt/calibre/"]
    for element in calibre_path:
-        supported_binary_paths = [os.path.join(element, binary) for binary in constants.SUPPORTED_CALIBRE_BINARIES.values()]
-        if all(os.path.isfile(binary_path) and os.access(binary_path, os.X_OK) for binary_path in supported_binary_paths):
-            values = [process_wait([binary_path, "--version"], pattern='\(calibre (.*)\)') for binary_path in supported_binary_paths]
+        supported_binary_paths = [os.path.join(element, binary)
+                                  for binary in constants.SUPPORTED_CALIBRE_BINARIES.values()]
+        if all(os.path.isfile(binary_path) and os.access(binary_path, os.X_OK)
+               for binary_path in supported_binary_paths):
+            values = [process_wait([binary_path, "--version"],
+                                   pattern=r'\(calibre (.*)\)') for binary_path in supported_binary_paths]
            if all(values):
                version = values[0].group(1)
                log.debug("calibre version %s", version)
@@ -551,7 +549,7 @@ def load_configuration(session, secret_key):

 def get_flask_session_key(_session):
    flask_settings = _session.query(_Flask_Settings).one_or_none()
-    if flask_settings == None:
+    if flask_settings is None:
        flask_settings = _Flask_Settings(os.urandom(32))
        _session.add(flask_settings)
        _session.commit()
@@ -562,6 +560,7 @@ def get_encryption_key(key_path):
    key_file = os.path.join(key_path, ".key")
    generate = True
    error = ""
+    key = None
    if os.path.exists(key_file) and os.path.getsize(key_file) > 32:
        with open(key_file, "rb") as f:
            key = f.read()
@@ -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')
@@ -159,12 +156,13 @@ EXTENSIONS_UPLOAD = {'txt', 'pdf', 'epub', 'kepub', 'mobi', 'azw', 'azw3', 'cbr'
 _extension = ""
 if sys.platform == "win32":
    _extension = ".exe"
-SUPPORTED_CALIBRE_BINARIES = {binary:binary + _extension for binary in ["ebook-convert", "calibredb"]}
+SUPPORTED_CALIBRE_BINARIES = {binary: binary + _extension for binary in ["ebook-convert", "calibredb"]}


 def has_flag(value, bit_flag):
    return bit_flag == (bit_flag & (value or 0))

+
 def selected_roles(dictionary):
    return sum(v for k, v in ALL_ROLES.items() if k in dictionary)

@@ -174,7 +172,7 @@ 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': '0.6.22b'}
+STABLE_VERSION =  '0.6.24'

 NIGHTLY_VERSION = dict()
 NIGHTLY_VERSION[0] = '$Format:%H$'
@@ -192,7 +190,7 @@ THUMBNAIL_TYPE_AUTHOR    = 3
 COVER_THUMBNAIL_ORIGINAL = 0
 COVER_THUMBNAIL_SMALL    = 1
 COVER_THUMBNAIL_MEDIUM   = 2
-COVER_THUMBNAIL_LARGE    = 3
+COVER_THUMBNAIL_LARGE    = 4

 # clean-up the module namespace
 del sys, os, namedtuple
@@ -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()
@@ -2,7 +2,7 @@ from babel import negotiate_locale
 from flask_babel import Babel, Locale
 from babel.core import UnknownLocaleError
 from flask import request
-from flask_login import current_user
+from .cw_login import current_user

 from . import logger

@@ -10,6 +10,7 @@ log = logger.create()

 babel = Babel()

+
 def get_locale():
    # if a user is logged in, use the locale from the user settings
    if current_user is not None and hasattr(current_user, "locale"):
@@ -0,0 +1,98 @@
+# from .__about__ import __version__
+from .config import AUTH_HEADER_NAME
+from .config import COOKIE_DURATION
+from .config import COOKIE_HTTPONLY
+from .config import COOKIE_NAME
+from .config import COOKIE_SECURE
+from .config import ID_ATTRIBUTE
+from .config import LOGIN_MESSAGE
+from .config import LOGIN_MESSAGE_CATEGORY
+from .config import REFRESH_MESSAGE
+from .config import REFRESH_MESSAGE_CATEGORY
+from .login_manager import LoginManager
+from .mixins import AnonymousUserMixin
+from .mixins import UserMixin
+from .signals import session_protected
+from .signals import user_accessed
+from .signals import user_loaded_from_cookie
+from .signals import user_loaded_from_request
+from .signals import user_logged_in
+from .signals import user_logged_out
+from .signals import user_login_confirmed
+from .signals import user_needs_refresh
+from .signals import user_unauthorized
+# from .test_client import FlaskLoginClient
+from .utils import confirm_login
+from .utils import current_user
+from .utils import decode_cookie
+from .utils import encode_cookie
+from .utils import fresh_login_required
+from .utils import login_fresh
+from .utils import login_remembered
+from .utils import login_required
+from .utils import login_url
+from .utils import login_user
+from .utils import logout_user
+from .utils import make_next_param
+from .utils import set_login_view
+
+__version_info__ = ("0", "6", "3")
+__version__ = ".".join(__version_info__)
+
+
+__all__ = [
+    "__version__",
+    "AUTH_HEADER_NAME",
+    "COOKIE_DURATION",
+    "COOKIE_HTTPONLY",
+    "COOKIE_NAME",
+    "COOKIE_SECURE",
+    "ID_ATTRIBUTE",
+    "LOGIN_MESSAGE",
+    "LOGIN_MESSAGE_CATEGORY",
+    "REFRESH_MESSAGE",
+    "REFRESH_MESSAGE_CATEGORY",
+    "LoginManager",
+    "AnonymousUserMixin",
+    "UserMixin",
+    "session_protected",
+    "user_accessed",
+    "user_loaded_from_cookie",
+    "user_loaded_from_request",
+    "user_logged_in",
+    "user_logged_out",
+    "user_login_confirmed",
+    "user_needs_refresh",
+    "user_unauthorized",
+    # "FlaskLoginClient",
+    "confirm_login",
+    "current_user",
+    "decode_cookie",
+    "encode_cookie",
+    "fresh_login_required",
+    "login_fresh",
+    "login_remembered",
+    "login_required",
+    "login_url",
+    "login_user",
+    "logout_user",
+    "make_next_param",
+    "set_login_view",
+]
+
+
+def __getattr__(name):
+    if name == "user_loaded_from_header":
+        import warnings
+        from .signals import _user_loaded_from_header
+
+        warnings.warn(
+            "'user_loaded_from_header' is deprecated and will be"
+            " removed in Flask-Login 0.7. Use"
+            " 'user_loaded_from_request' instead.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        return _user_loaded_from_header
+
+    raise AttributeError(name)
@@ -0,0 +1,55 @@
+from datetime import timedelta
+
+#: The default name of the "remember me" cookie (``remember_token``)
+COOKIE_NAME = "remember_token"
+
+#: The default time before the "remember me" cookie expires (365 days).
+COOKIE_DURATION = timedelta(days=365)
+
+#: Whether the "remember me" cookie requires Secure; defaults to ``False``
+COOKIE_SECURE = False
+
+#: Whether the "remember me" cookie uses HttpOnly or not; defaults to ``True``
+COOKIE_HTTPONLY = True
+
+#: Whether the "remember me" cookie requires same origin; defaults to ``None``
+COOKIE_SAMESITE = None
+
+#: The default flash message to display when users need to log in.
+LOGIN_MESSAGE = "Please log in to access this page."
+
+#: The default flash message category to display when users need to log in.
+LOGIN_MESSAGE_CATEGORY = "message"
+
+#: The default flash message to display when users need to reauthenticate.
+REFRESH_MESSAGE = "Please reauthenticate to access this page."
+
+#: The default flash message category to display when users need to
+#: reauthenticate.
+REFRESH_MESSAGE_CATEGORY = "message"
+
+#: The default attribute to retreive the str id of the user
+ID_ATTRIBUTE = "get_id"
+
+#: Default name of the auth header (``Authorization``)
+AUTH_HEADER_NAME = "Authorization"
+
+#: A set of session keys that are populated by Flask-Login. Use this set to
+#: purge keys safely and accurately.
+SESSION_KEYS = {
+    "_user_id",
+    "_remember",
+    "_remember_seconds",
+    "_id",
+    "_fresh",
+    "next",
+}
+
+#: A set of HTTP methods which are exempt from `login_required` and
+#: `fresh_login_required`. By default, this is just ``OPTIONS``.
+EXEMPT_METHODS = {"OPTIONS"}
+
+#: If true, the page the user is attempting to access is stored in the session
+#: rather than a url parameter when redirecting to the login view; defaults to
+#: ``False``.
+USE_SESSION_FOR_NEXT = False
@@ -0,0 +1,555 @@
+from datetime import datetime
+from datetime import timezone
+from datetime import timedelta
+import hashlib
+
+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
+from itsdangerous import URLSafeSerializer
+from flask.json.tag import TaggedJSONSerializer
+
+from .config import AUTH_HEADER_NAME
+from .config import COOKIE_DURATION
+from .config import COOKIE_HTTPONLY
+from .config import COOKIE_NAME
+from .config import COOKIE_SAMESITE
+from .config import COOKIE_SECURE
+from .config import ID_ATTRIBUTE
+from .config import LOGIN_MESSAGE
+from .config import LOGIN_MESSAGE_CATEGORY
+from .config import REFRESH_MESSAGE
+from .config import REFRESH_MESSAGE_CATEGORY
+from .config import SESSION_KEYS
+from .config import USE_SESSION_FOR_NEXT
+from .mixins import AnonymousUserMixin
+from .signals import session_protected
+from .signals import user_accessed
+from .signals import user_loaded_from_cookie
+from .signals import user_loaded_from_request
+from .signals import user_needs_refresh
+from .signals import user_unauthorized
+from .utils import _create_identifier
+from .utils import _user_context_processor
+from .utils import confirm_login
+from .utils import expand_login_view
+from .utils import login_url as make_login_url
+from .utils import make_next_param
+
+
+class LoginManager:
+    """This object is used to hold the settings used for logging in. Instances
+    of :class:`LoginManager` are *not* bound to specific apps, so you can
+    create one in the main body of your code and then bind it to your
+    app in a factory function.
+    """
+
+    def __init__(self, app=None, add_context_processor=True):
+        #: A class or factory function that produces an anonymous user, which
+        #: is used when no one is logged in.
+        self.anonymous_user = AnonymousUserMixin
+
+        #: The name of the view to redirect to when the user needs to log in.
+        #: (This can be an absolute URL as well, if your authentication
+        #: machinery is external to your application.)
+        self.login_view = None
+
+        #: Names of views to redirect to when the user needs to log in,
+        #: per blueprint. If the key value is set to None the value of
+        #: :attr:`login_view` will be used instead.
+        self.blueprint_login_views = {}
+
+        #: The message to flash when a user is redirected to the login page.
+        self.login_message = LOGIN_MESSAGE
+
+        #: The message category to flash when a user is redirected to the login
+        #: page.
+        self.login_message_category = LOGIN_MESSAGE_CATEGORY
+
+        #: The name of the view to redirect to when the user needs to
+        #: reauthenticate.
+        self.refresh_view = None
+
+        #: The message to flash when a user is redirected to the 'needs
+        #: refresh' page.
+        self.needs_refresh_message = REFRESH_MESSAGE
+
+        #: The message category to flash when a user is redirected to the
+        #: 'needs refresh' page.
+        self.needs_refresh_message_category = REFRESH_MESSAGE_CATEGORY
+
+        #: The mode to use session protection in. This can be either
+        #: ``'basic'`` (the default) or ``'strong'``, or ``None`` to disable
+        #: it.
+        self.session_protection = "basic"
+
+        #: If present, used to translate flash messages ``self.login_message``
+        #: and ``self.needs_refresh_message``
+        self.localize_callback = None
+
+        self.unauthorized_callback = None
+
+        self.needs_refresh_callback = None
+
+        self.id_attribute = ID_ATTRIBUTE
+
+        self._user_callback = None
+
+        self._header_callback = None
+
+        self._request_callback = None
+
+        self._session_identifier_generator = _create_identifier
+
+        if app is not None:
+            self.init_app(app, add_context_processor)
+
+    def setup_app(self, app, add_context_processor=True):  # pragma: no cover
+        """
+        This method has been deprecated. Please use
+        :meth:`LoginManager.init_app` instead.
+        """
+        import warnings
+
+        warnings.warn(
+            "'setup_app' is deprecated and will be removed in"
+            " Flask-Login 0.7. Use 'init_app' instead.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        self.init_app(app, add_context_processor)
+
+    def init_app(self, app, add_context_processor=True):
+        """
+        Configures an application. This registers an `after_request` call, and
+        attaches this `LoginManager` to it as `app.login_manager`.
+
+        :param app: The :class:`flask.Flask` object to configure.
+        :type app: :class:`flask.Flask`
+        :param add_context_processor: Whether to add a context processor to
+            the app that adds a `current_user` variable to the template.
+            Defaults to ``True``.
+        :type add_context_processor: bool
+        """
+        app.login_manager = self
+        app.after_request(self._update_remember_cookie)
+
+        if add_context_processor:
+            app.context_processor(_user_context_processor)
+
+    def unauthorized(self):
+        """
+        This is called when the user is required to log in. If you register a
+        callback with :meth:`LoginManager.unauthorized_handler`, then it will
+        be called. Otherwise, it will take the following actions:
+
+            - Flash :attr:`LoginManager.login_message` to the user.
+
+            - If the app is using blueprints find the login view for
+              the current blueprint using `blueprint_login_views`. If the app
+              is not using blueprints or the login view for the current
+              blueprint is not specified use the value of `login_view`.
+
+            - Redirect the user to the login view. (The page they were
+              attempting to access will be passed in the ``next`` query
+              string variable, so you can redirect there if present instead
+              of the homepage. Alternatively, it will be added to the session
+              as ``next`` if USE_SESSION_FOR_NEXT is set.)
+
+        If :attr:`LoginManager.login_view` is not defined, then it will simply
+        raise a HTTP 401 (Unauthorized) error instead.
+
+        This should be returned from a view or before/after_request function,
+        otherwise the redirect will have no effect.
+        """
+        user_unauthorized.send(current_app._get_current_object())
+
+        if self.unauthorized_callback:
+            return self.unauthorized_callback()
+
+        if request.blueprint in self.blueprint_login_views:
+            login_view = self.blueprint_login_views[request.blueprint]
+        else:
+            login_view = self.login_view
+
+        if not login_view:
+            abort(401)
+
+        if self.login_message:
+            if self.localize_callback is not None:
+                flash(
+                    self.localize_callback(self.login_message),
+                    category=self.login_message_category,
+                )
+            else:
+                flash(self.login_message, category=self.login_message_category)
+
+        config = current_app.config
+        if config.get("USE_SESSION_FOR_NEXT", USE_SESSION_FOR_NEXT):
+            login_url = expand_login_view(login_view)
+            session["_id"] = self._session_identifier_generator()
+            session["next"] = make_next_param(login_url, request.url)
+            redirect_url = make_login_url(login_view)
+        else:
+            redirect_url = make_login_url(login_view, next_url=request.url)
+
+        return redirect(redirect_url)
+
+    def user_loader(self, callback):
+        """
+        This sets the callback for reloading a user from the session. The
+        function you set should take a user ID (a ``str``) and return a
+        user object, or ``None`` if the user does not exist.
+
+        :param callback: The callback for retrieving a user object.
+        :type callback: callable
+        """
+        self._user_callback = callback
+        return self.user_callback
+
+    @property
+    def user_callback(self):
+        """Gets the user_loader callback set by user_loader decorator."""
+        return self._user_callback
+
+    def request_loader(self, callback):
+        """
+        This sets the callback for loading a user from a Flask request.
+        The function you set should take Flask request object and
+        return a user object, or `None` if the user does not exist.
+
+        :param callback: The callback for retrieving a user object.
+        :type callback: callable
+        """
+        self._request_callback = callback
+        return self.request_callback
+
+    @property
+    def request_callback(self):
+        """Gets the request_loader callback set by request_loader decorator."""
+        return self._request_callback
+
+    def unauthorized_handler(self, callback):
+        """
+        This will set the callback for the `unauthorized` method, which among
+        other things is used by `login_required`. It takes no arguments, and
+        should return a response to be sent to the user instead of their
+        normal view.
+
+        :param callback: The callback for unauthorized users.
+        :type callback: callable
+        """
+        self.unauthorized_callback = callback
+        return callback
+
+    def needs_refresh_handler(self, callback):
+        """
+        This will set the callback for the `needs_refresh` method, which among
+        other things is used by `fresh_login_required`. It takes no arguments,
+        and should return a response to be sent to the user instead of their
+        normal view.
+
+        :param callback: The callback for unauthorized users.
+        :type callback: callable
+        """
+        self.needs_refresh_callback = callback
+        return callback
+
+    def needs_refresh(self):
+        """
+        This is called when the user is logged in, but they need to be
+        reauthenticated because their session is stale. If you register a
+        callback with `needs_refresh_handler`, then it will be called.
+        Otherwise, it will take the following actions:
+
+            - Flash :attr:`LoginManager.needs_refresh_message` to the user.
+
+            - Redirect the user to :attr:`LoginManager.refresh_view`. (The page
+              they were attempting to access will be passed in the ``next``
+              query string variable, so you can redirect there if present
+              instead of the homepage.)
+
+        If :attr:`LoginManager.refresh_view` is not defined, then it will
+        simply raise a HTTP 401 (Unauthorized) error instead.
+
+        This should be returned from a view or before/after_request function,
+        otherwise the redirect will have no effect.
+        """
+        user_needs_refresh.send(current_app._get_current_object())
+
+        if self.needs_refresh_callback:
+            return self.needs_refresh_callback()
+
+        if not self.refresh_view:
+            abort(401)
+
+        if self.needs_refresh_message:
+            if self.localize_callback is not None:
+                flash(
+                    self.localize_callback(self.needs_refresh_message),
+                    category=self.needs_refresh_message_category,
+                )
+            else:
+                flash(
+                    self.needs_refresh_message,
+                    category=self.needs_refresh_message_category,
+                )
+
+        config = current_app.config
+        if config.get("USE_SESSION_FOR_NEXT", USE_SESSION_FOR_NEXT):
+            login_url = expand_login_view(self.refresh_view)
+            session["_id"] = self._session_identifier_generator()
+            session["next"] = make_next_param(login_url, request.url)
+            redirect_url = make_login_url(self.refresh_view)
+        else:
+            login_url = self.refresh_view
+            redirect_url = make_login_url(login_url, next_url=request.url)
+
+        return redirect(redirect_url)
+
+    def _update_request_context_with_user(self, user=None):
+        """Store the given user as ctx.user."""
+
+        if user is None:
+            user = self.anonymous_user()
+
+        g._login_user = user
+
+    def _load_user(self):
+        """Loads user from session or remember_me cookie as applicable"""
+
+        if self._user_callback is None and self._request_callback is None:
+            raise Exception(
+                "Missing user_loader or request_loader. Refer to "
+                "https://flask-login.readthedocs.io/#how-it-works "
+                "for more info."
+            )
+
+        user_accessed.send(current_app._get_current_object())
+
+        # Check SESSION_PROTECTION
+        if self._session_protection_failed():
+            return self._update_request_context_with_user()
+
+        user = None
+
+        # Load user from Flask Session
+        user_id = session.get("_user_id")
+        user_random = session.get("_random")
+        user_session_key = session.get("_id")
+        if (user_id is not None
+            and user_random is not None
+            and user_session_key is not None
+            and self._user_callback is not None):
+              user = self._user_callback(user_id, user_random, user_session_key)
+
+        # Load user from Remember Me Cookie or Request Loader
+        if user is None:
+            config = current_app.config
+            cookie_name = config.get("REMEMBER_COOKIE_NAME", COOKIE_NAME)
+            header_name = config.get("AUTH_HEADER_NAME", AUTH_HEADER_NAME)
+            has_cookie = (
+                cookie_name in request.cookies and session.get("_remember") != "clear"
+            )
+            if has_cookie:
+                cookie = request.cookies[cookie_name]
+                user = self._load_user_from_remember_cookie(cookie)
+            elif self._request_callback:
+                user = self._load_user_from_request(request)
+            elif header_name in request.headers:
+                header = request.headers[header_name]
+                user = self._load_user_from_header(header)
+        if not user:
+            self._update_request_context_with_user()
+        return self._update_request_context_with_user(user)
+
+    def _session_protection_failed(self):
+        sess = session._get_current_object()
+        ident = self._session_identifier_generator()
+
+        app = current_app._get_current_object()
+        mode = app.config.get("SESSION_PROTECTION", self.session_protection)
+
+        if not mode or mode not in ["basic", "strong"]:
+            return False
+
+        # if the sess is empty, it's an anonymous user or just logged out
+        # so we can skip this
+        if sess and ident != sess.get("_id", None):
+            if mode == "basic" or sess.permanent:
+                if sess.get("_fresh") is not False:
+                    sess["_fresh"] = False
+                session_protected.send(app)
+                return False
+            elif mode == "strong":
+                for k in SESSION_KEYS:
+                    sess.pop(k, None)
+
+                sess["_remember"] = "clear"
+                session_protected.send(app)
+                return True
+
+        return False
+
+    def _load_user_from_remember_cookie(self, cookie):
+        signer_kwargs = dict(
+            key_derivation="hmac", digest_method=hashlib.sha1
+        )
+        try:
+            remember_dict = URLSafeSerializer(
+                current_app.secret_key,
+                salt="remember",
+                serializer=TaggedJSONSerializer(),
+                signer_kwargs=signer_kwargs,
+            ).loads(cookie)
+        except Exception:
+            return None
+
+        if remember_dict['user'] is not None:
+            session["_user_id"] = remember_dict['user']
+            if "_random" not in session:
+                session["_random"] = remember_dict['random']
+            session["_fresh"] = False
+            user = None
+            if self._user_callback:
+                user = self._user_callback(remember_dict['user'], session["_random"], None)
+            if user is not None:
+                app = current_app._get_current_object()
+                user_loaded_from_cookie.send(app, user=user)
+                # if session was restored from remember me cookie make login valid
+                confirm_login()
+                return user
+        return None
+
+    def _load_user_from_header(self, header):
+        if self._header_callback:
+            user = self._header_callback(header)
+            if user is not None:
+                app = current_app._get_current_object()
+
+                from .signals import _user_loaded_from_header
+
+                _user_loaded_from_header.send(app, user=user)
+                return user
+        return None
+
+    def _load_user_from_request(self, request):
+        if self._request_callback:
+            user = self._request_callback(request)
+            if user is not None:
+                app = current_app._get_current_object()
+                user_loaded_from_request.send(app, user=user)
+                return user
+        return None
+
+    def _update_remember_cookie(self, response):
+        # Don't modify the session unless there's something to do.
+        if "_remember" not in session and current_app.config.get(
+            "REMEMBER_COOKIE_REFRESH_EACH_REQUEST"
+        ):
+            session["_remember"] = "set"
+
+        if "_remember" in session:
+            operation = session.pop("_remember", None)
+
+            if operation == "set" and "_user_id" in session:
+                self._set_cookie(response)
+            elif operation == "clear":
+                self._clear_cookie(response)
+
+        return response
+
+    def _set_cookie(self, response):
+        # cookie settings
+        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", "/")
+
+        secure = config.get("REMEMBER_COOKIE_SECURE", COOKIE_SECURE)
+        httponly = config.get("REMEMBER_COOKIE_HTTPONLY", COOKIE_HTTPONLY)
+        samesite = config.get("REMEMBER_COOKIE_SAMESITE", COOKIE_SAMESITE)
+
+        if "_remember_seconds" in session:
+            duration = timedelta(seconds=session["_remember_seconds"])
+        else:
+            duration = config.get("REMEMBER_COOKIE_DURATION", COOKIE_DURATION)
+
+        # prepare data
+        max_age = int(current_app.permanent_session_lifetime.total_seconds())
+        signer_kwargs = dict(
+            key_derivation="hmac", digest_method=hashlib.sha1
+        )
+        # save
+        data = URLSafeSerializer(
+            current_app.secret_key,
+            salt="remember",
+            serializer=TaggedJSONSerializer(),
+            signer_kwargs=signer_kwargs,
+        ).dumps({"user":session["_user_id"], "random":session["_random"]})
+
+        if isinstance(duration, int):
+            duration = timedelta(seconds=duration)
+
+        try:
+            expires = datetime.now(timezone.utc) + duration
+        except TypeError as e:
+            raise Exception(
+                "REMEMBER_COOKIE_DURATION must be a datetime.timedelta,"
+                f" instead got: {duration}"
+            ) from e
+
+        # actually set it
+        response.set_cookie(
+            cookie_name,
+            value=data,
+            expires=expires,
+            domain=domain,
+            path=path,
+            secure=secure,
+            httponly=httponly,
+            samesite=samesite,
+        )
+
+    def _clear_cookie(self, response):
+        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", "/")
+        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
@@ -0,0 +1,65 @@
+class UserMixin:
+    """
+    This provides default implementations for the methods that Flask-Login
+    expects user objects to have.
+    """
+
+    # Python 3 implicitly set __hash__ to None if we override __eq__
+    # We set it back to its default implementation
+    __hash__ = object.__hash__
+
+    @property
+    def is_active(self):
+        return True
+
+    @property
+    def is_authenticated(self):
+        return self.is_active
+
+    @property
+    def is_anonymous(self):
+        return False
+
+    def get_id(self):
+        try:
+            return str(self.id)
+        except AttributeError:
+            raise NotImplementedError("No `id` attribute - override `get_id`") from None
+
+    def __eq__(self, other):
+        """
+        Checks the equality of two `UserMixin` objects using `get_id`.
+        """
+        if isinstance(other, UserMixin):
+            return self.get_id() == other.get_id()
+        return NotImplemented
+
+    def __ne__(self, other):
+        """
+        Checks the inequality of two `UserMixin` objects using `get_id`.
+        """
+        equal = self.__eq__(other)
+        if equal is NotImplemented:
+            return NotImplemented
+        return not equal
+
+
+class AnonymousUserMixin:
+    """
+    This is the default object for representing an anonymous user.
+    """
+
+    @property
+    def is_authenticated(self):
+        return False
+
+    @property
+    def is_active(self):
+        return False
+
+    @property
+    def is_anonymous(self):
+        return True
+
+    def get_id(self):
+        return
@@ -0,0 +1,61 @@
+from flask.signals import Namespace
+
+_signals = Namespace()
+
+#: Sent when a user is logged in. In addition to the app (which is the
+#: sender), it is passed `user`, which is the user being logged in.
+user_logged_in = _signals.signal("logged-in")
+
+#: Sent when a user is logged out. In addition to the app (which is the
+#: sender), it is passed `user`, which is the user being logged out.
+user_logged_out = _signals.signal("logged-out")
+
+#: Sent when the user is loaded from the cookie. In addition to the app (which
+#: is the sender), it is passed `user`, which is the user being reloaded.
+user_loaded_from_cookie = _signals.signal("loaded-from-cookie")
+
+#: Sent when the user is loaded from the header. In addition to the app (which
+#: is the #: sender), it is passed `user`, which is the user being reloaded.
+_user_loaded_from_header = _signals.signal("loaded-from-header")
+
+#: Sent when the user is loaded from the request. In addition to the app (which
+#: is the #: sender), it is passed `user`, which is the user being reloaded.
+user_loaded_from_request = _signals.signal("loaded-from-request")
+
+#: Sent when a user's login is confirmed, marking it as fresh. (It is not
+#: called for a normal login.)
+#: It receives no additional arguments besides the app.
+user_login_confirmed = _signals.signal("login-confirmed")
+
+#: Sent when the `unauthorized` method is called on a `LoginManager`. It
+#: receives no additional arguments besides the app.
+user_unauthorized = _signals.signal("unauthorized")
+
+#: Sent when the `needs_refresh` method is called on a `LoginManager`. It
+#: receives no additional arguments besides the app.
+user_needs_refresh = _signals.signal("needs-refresh")
+
+#: Sent whenever the user is accessed/loaded
+#: receives no additional arguments besides the app.
+user_accessed = _signals.signal("accessed")
+
+#: Sent whenever session protection takes effect, and a session is either
+#: marked non-fresh or deleted. It receives no additional arguments besides
+#: the app.
+session_protected = _signals.signal("session-protected")
+
+
+def __getattr__(name):
+    if name == "user_loaded_from_header":
+        import warnings
+
+        warnings.warn(
+            "'user_loaded_from_header' is deprecated and will be"
+            " removed in Flask-Login 0.7. Use"
+            " 'user_loaded_from_request' instead.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        return _user_loaded_from_header
+
+    raise AttributeError(name)
@@ -0,0 +1,424 @@
+import hmac
+import os
+from functools import wraps
+from hashlib import sha512
+from urllib.parse import parse_qs
+from urllib.parse import urlencode
+from urllib.parse import urlsplit
+from urllib.parse import urlunsplit
+
+from flask import current_app
+from flask import g
+from flask import has_request_context
+from flask import request
+from flask import session
+from flask import url_for
+from werkzeug.local import LocalProxy
+
+from .config import COOKIE_NAME
+from .config import EXEMPT_METHODS
+from .signals import user_logged_in
+from .signals import user_logged_out
+from .signals import user_login_confirmed
+
+#: A proxy for the current user. If no user is logged in, this will be an
+#: anonymous user
+current_user = LocalProxy(lambda: _get_user())
+
+
+def encode_cookie(payload, key=None):
+    """
+    This will encode a ``str`` value into a cookie, and sign that cookie
+    with the app's secret key.
+
+    :param payload: The value to encode, as `str`.
+    :type payload: str
+
+    :param key: The key to use when creating the cookie digest. If not
+                specified, the SECRET_KEY value from app config will be used.
+    :type key: str
+    """
+    return f"{payload}|{_cookie_digest(payload, key=key)}"
+
+
+def decode_cookie(cookie, key=None):
+    """
+    This decodes a cookie given by `encode_cookie`. If verification of the
+    cookie fails, ``None`` will be implicitly returned.
+
+    :param cookie: An encoded cookie.
+    :type cookie: str
+
+    :param key: The key to use when creating the cookie digest. If not
+                specified, the SECRET_KEY value from app config will be used.
+    :type key: str
+    """
+    try:
+        payload, digest = cookie.rsplit("|", 1)
+        if hasattr(digest, "decode"):
+            digest = digest.decode("ascii")  # pragma: no cover
+    except ValueError:
+        return
+
+    if hmac.compare_digest(_cookie_digest(payload, key=key), digest):
+        return payload
+
+
+def make_next_param(login_url, current_url):
+    """
+    Reduces the scheme and host from a given URL so it can be passed to
+    the given `login` URL more efficiently.
+
+    :param login_url: The login URL being redirected to.
+    :type login_url: str
+    :param current_url: The URL to reduce.
+    :type current_url: str
+    """
+    l_url = urlsplit(login_url)
+    c_url = urlsplit(current_url)
+
+    if (not l_url.scheme or l_url.scheme == c_url.scheme) and (
+        not l_url.netloc or l_url.netloc == c_url.netloc
+    ):
+        return urlunsplit(("", "", c_url.path, c_url.query, ""))
+    return current_url
+
+
+def expand_login_view(login_view):
+    """
+    Returns the url for the login view, expanding the view name to a url if
+    needed.
+
+    :param login_view: The name of the login view or a URL for the login view.
+    :type login_view: str
+    """
+    if login_view.startswith(("https://", "http://", "/")):
+        return login_view
+
+    return url_for(login_view)
+
+
+def login_url(login_view, next_url=None, next_field="next"):
+    """
+    Creates a URL for redirecting to a login page. If only `login_view` is
+    provided, this will just return the URL for it. If `next_url` is provided,
+    however, this will append a ``next=URL`` parameter to the query string
+    so that the login view can redirect back to that URL. Flask-Login's default
+    unauthorized handler uses this function when redirecting to your login url.
+    To force the host name used, set `FORCE_HOST_FOR_REDIRECTS` to a host. This
+    prevents from redirecting to external sites if request headers Host or
+    X-Forwarded-For are present.
+
+    :param login_view: The name of the login view. (Alternately, the actual
+                       URL to the login view.)
+    :type login_view: str
+    :param next_url: The URL to give the login view for redirection.
+    :type next_url: str
+    :param next_field: What field to store the next URL in. (It defaults to
+                       ``next``.)
+    :type next_field: str
+    """
+    base = expand_login_view(login_view)
+
+    if next_url is None:
+        return base
+
+    parsed_result = urlsplit(base)
+    md = parse_qs(parsed_result.query, keep_blank_values=True)
+    md[next_field] = make_next_param(base, next_url)
+    netloc = current_app.config.get("FORCE_HOST_FOR_REDIRECTS") or parsed_result.netloc
+    parsed_result = parsed_result._replace(
+        netloc=netloc, query=urlencode(md, doseq=True)
+    )
+    return urlunsplit(parsed_result)
+
+
+def login_fresh():
+    """
+    This returns ``True`` if the current login is fresh.
+    """
+    return session.get("_fresh", False)
+
+
+def login_remembered():
+    """
+    This returns ``True`` if the current login is remembered across sessions.
+    """
+    config = current_app.config
+    cookie_name = config.get("REMEMBER_COOKIE_NAME", COOKIE_NAME)
+    has_cookie = cookie_name in request.cookies and session.get("_remember") != "clear"
+    if has_cookie:
+        cookie = request.cookies[cookie_name]
+        user_id = decode_cookie(cookie)
+        return user_id is not None
+    return False
+
+
+def login_user(user, remember=False, duration=None, force=False, fresh=True):
+    """
+    Logs a user in. You should pass the actual user object to this. If the
+    user's `is_active` property is ``False``, they will not be logged in
+    unless `force` is ``True``.
+
+    This will return ``True`` if the log in attempt succeeds, and ``False`` if
+    it fails (i.e. because the user is inactive).
+
+    :param user: The user object to log in.
+    :type user: object
+    :param remember: Whether to remember the user after their session expires.
+        Defaults to ``False``.
+    :type remember: bool
+    :param duration: The amount of time before the remember cookie expires. If
+        ``None`` the value set in the settings is used. Defaults to ``None``.
+    :type duration: :class:`datetime.timedelta`
+    :param force: If the user is inactive, setting this to ``True`` will log
+        them in regardless. Defaults to ``False``.
+    :type force: bool
+    :param fresh: setting this to ``False`` will log in the user with a session
+        marked as not "fresh". Defaults to ``True``.
+    :type fresh: bool
+    """
+    if not force and not user.is_active:
+        return False
+
+    user_id = getattr(user, current_app.login_manager.id_attribute)()
+    session["_user_id"] = user_id
+    session["_fresh"] = fresh
+    session["_id"] = current_app.login_manager._session_identifier_generator()
+    session["_random"] = os.urandom(10).hex()
+
+    if remember:
+        session["_remember"] = "set"
+        if duration is not None:
+            try:
+                # equal to timedelta.total_seconds() but works with Python 2.6
+                session["_remember_seconds"] = (
+                    duration.microseconds
+                    + (duration.seconds + duration.days * 24 * 3600) * 10**6
+                ) / 10.0**6
+            except AttributeError as e:
+                raise Exception(
+                    f"duration must be a datetime.timedelta, instead got: {duration}"
+                ) from e
+
+    current_app.login_manager._update_request_context_with_user(user)
+    user_logged_in.send(current_app._get_current_object(), user=_get_user())
+    return True
+
+
+def logout_user():
+    """
+    Logs a user out. (You do not need to pass the actual user.) This will
+    also clean up the remember me cookie if it exists.
+    """
+
+    user = _get_user()
+
+    if "_user_id" in session:
+        session.pop("_user_id")
+
+    if "_fresh" in session:
+        session.pop("_fresh")
+
+    if "_id" in session:
+        session.pop("_id")
+
+    if "_random" in session:
+        session.pop("_random")
+
+
+    cookie_name = current_app.config.get("REMEMBER_COOKIE_NAME", COOKIE_NAME)
+    if cookie_name in request.cookies:
+        session["_remember"] = "clear"
+        if "_remember_seconds" in session:
+            session.pop("_remember_seconds")
+
+    user_logged_out.send(current_app._get_current_object(), user=user)
+
+    current_app.login_manager._update_request_context_with_user()
+    return True
+
+
+def confirm_login():
+    """
+    This sets the current session as fresh. Sessions become stale when they
+    are reloaded from a cookie.
+    """
+    session["_fresh"] = True
+    session["_id"] = current_app.login_manager._session_identifier_generator()
+    user_login_confirmed.send(current_app._get_current_object())
+
+
+def login_required(func):
+    """
+    If you decorate a view with this, it will ensure that the current user is
+    logged in and authenticated before calling the actual view. (If they are
+    not, it calls the :attr:`LoginManager.unauthorized` callback.) For
+    example::
+
+        @app.route('/post')
+        @user_login_required
+        def post():
+            pass
+
+    If there are only certain times you need to require that your user is
+    logged in, you can do so with::
+
+        if not current_user.is_authenticated:
+            return current_app.login_manager.unauthorized()
+
+    ...which is essentially the code that this function adds to your views.
+
+    It can be convenient to globally turn off authentication when unit testing.
+    To enable this, if the application configuration variable `LOGIN_DISABLED`
+    is set to `True`, this decorator will be ignored.
+
+    .. Note ::
+
+        Per `W3 guidelines for CORS preflight requests
+        <http://www.w3.org/TR/cors/#cross-origin-request-with-preflight-0>`_,
+        HTTP ``OPTIONS`` requests are exempt from login checks.
+
+    :param func: The view function to decorate.
+    :type func: function
+    """
+
+    @wraps(func)
+    def decorated_view(*args, **kwargs):
+        if request.method in EXEMPT_METHODS or current_app.config.get("LOGIN_DISABLED"):
+            pass
+        elif not current_user.is_authenticated:
+            return current_app.login_manager.unauthorized()
+
+        # flask 1.x compatibility
+        # current_app.ensure_sync is only available in Flask >= 2.0
+        if callable(getattr(current_app, "ensure_sync", None)):
+            return current_app.ensure_sync(func)(*args, **kwargs)
+        return func(*args, **kwargs)
+
+    return decorated_view
+
+
+def fresh_login_required(func):
+    """
+    If you decorate a view with this, it will ensure that the current user's
+    login is fresh - i.e. their session was not restored from a 'remember me'
+    cookie. Sensitive operations, like changing a password or e-mail, should
+    be protected with this, to impede the efforts of cookie thieves.
+
+    If the user is not authenticated, :meth:`LoginManager.unauthorized` is
+    called as normal. If they are authenticated, but their session is not
+    fresh, it will call :meth:`LoginManager.needs_refresh` instead. (In that
+    case, you will need to provide a :attr:`LoginManager.refresh_view`.)
+
+    Behaves identically to the :func:`login_required` decorator with respect
+    to configuration variables.
+
+    .. Note ::
+
+        Per `W3 guidelines for CORS preflight requests
+        <http://www.w3.org/TR/cors/#cross-origin-request-with-preflight-0>`_,
+        HTTP ``OPTIONS`` requests are exempt from login checks.
+
+    :param func: The view function to decorate.
+    :type func: function
+    """
+
+    @wraps(func)
+    def decorated_view(*args, **kwargs):
+        if request.method in EXEMPT_METHODS or current_app.config.get("LOGIN_DISABLED"):
+            pass
+        elif not current_user.is_authenticated:
+            return current_app.login_manager.unauthorized()
+        elif not login_fresh():
+            return current_app.login_manager.needs_refresh()
+        try:
+            # current_app.ensure_sync available in Flask >= 2.0
+            return current_app.ensure_sync(func)(*args, **kwargs)
+        except AttributeError:  # pragma: no cover
+            return func(*args, **kwargs)
+
+    return decorated_view
+
+
+def set_login_view(login_view, blueprint=None):
+    """
+    Sets the login view for the app or blueprint. If a blueprint is passed,
+    the login view is set for this blueprint on ``blueprint_login_views``.
+
+    :param login_view: The user object to log in.
+    :type login_view: str
+    :param blueprint: The blueprint which this login view should be set on.
+        Defaults to ``None``.
+    :type blueprint: object
+    """
+
+    num_login_views = len(current_app.login_manager.blueprint_login_views)
+    if blueprint is not None or num_login_views != 0:
+        (current_app.login_manager.blueprint_login_views[blueprint.name]) = login_view
+
+        if (
+            current_app.login_manager.login_view is not None
+            and None not in current_app.login_manager.blueprint_login_views
+        ):
+            (
+                current_app.login_manager.blueprint_login_views[None]
+            ) = current_app.login_manager.login_view
+
+        current_app.login_manager.login_view = None
+    else:
+        current_app.login_manager.login_view = login_view
+
+
+def _get_user():
+    if has_request_context():
+        if "flask_httpauth_user" in g:
+            if g.flask_httpauth_user is not None:
+                return g.flask_httpauth_user
+        if "_login_user" not in g:
+            current_app.login_manager._load_user()
+
+        return g._login_user
+
+    return None
+
+
+def _cookie_digest(payload, key=None):
+    key = _secret_key(key)
+
+    return hmac.new(key, payload.encode("utf-8"), sha512).hexdigest()
+
+
+def _get_remote_addr():
+    address = request.headers.get("X-Forwarded-For", request.remote_addr)
+    if address is not None:
+        # An 'X-Forwarded-For' header includes a comma separated list of the
+        # addresses, the first address being the actual remote address.
+        address = address.encode("utf-8").split(b",")[0].strip()
+    return address
+
+
+def _create_identifier():
+    user_agent = request.headers.get("User-Agent")
+    if user_agent is not None:
+        user_agent = user_agent.encode("utf-8")
+    base = f"{_get_remote_addr()}|{user_agent}"
+    if str is bytes:
+        base = str(base, "utf-8", errors="replace")  # pragma: no cover
+    h = sha512()
+    h.update(base.encode("utf8"))
+    return h.hexdigest()
+
+
+def _user_context_processor():
+    return dict(current_user=_get_user())
+
+
+def _secret_key(key=None):
+    if key is None:
+        key = current_app.config["SECRET_KEY"]
+
+    if isinstance(key, str):  # pragma: no cover
+        key = key.encode("latin1")  # ensure bytes
+
+    return key
@@ -20,9 +20,11 @@
 import os
 import re
 import json
-from datetime import datetime
+from datetime import datetime, timezone
 from urllib.parse import quote
 import unidecode
+from weakref import WeakSet
+from uuid import uuid4

 from sqlite3 import OperationalError as sqliteOperationalError
 from sqlalchemy import create_engine
@@ -40,16 +42,14 @@ except ImportError:
 from sqlalchemy.pool import StaticPool
 from sqlalchemy.sql.expression import and_, true, false, text, func, or_
 from sqlalchemy.ext.associationproxy import association_proxy
-from flask_login import current_user
+from .cw_login import current_user
 from flask_babel import gettext as _
 from flask_babel import get_locale
 from flask import flash

 from . import logger, ub, isoLanguages
 from .pagination import Pagination
-
-from weakref import WeakSet
-
+from .string_helper import strip_whitespaces

 log = logger.create()

@@ -104,6 +104,7 @@ class Identifiers(Base):
    book = Column(Integer, ForeignKey('books.id'), nullable=False)

    def __init__(self, val, id_type, book):
+        super().__init__()
        self.val = val
        self.type = id_type
        self.book = book
@@ -113,7 +114,7 @@ class Identifiers(Base):
        if format_type == 'amazon':
            return "Amazon"
        elif format_type.startswith("amazon_"):
-            return "Amazon.{0}".format(format_type[7:])
+            return "Amazon.{0}".format(format_type[7:].lower().replace("uk","co.uk"))
        elif format_type == "isbn":
            return "ISBN"
        elif format_type == "doi":
@@ -128,6 +129,8 @@ class Identifiers(Base):
            return "Google Books"
        elif format_type == "kobo":
            return "Kobo"
+        elif format_type == "barnesnoble":
+            return "Barnes & Noble"
        elif format_type == "litres":
            return "ЛитРес"
        elif format_type == "issn":
@@ -146,7 +149,7 @@ 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)
+            return "https://amazon.{0}/dp/{1}".format(format_type[7:].lower().replace("uk","co.uk"), self.val)
        elif format_type == "isbn":
            return "https://www.worldcat.org/isbn/{0}".format(self.val)
        elif format_type == "doi":
@@ -161,6 +164,8 @@ class Identifiers(Base):
            return "https://books.google.com/books?id={0}".format(self.val)
        elif format_type == "kobo":
            return "https://www.kobo.com/ebook/{0}".format(self.val)
+        elif format_type == "barnesnoble":
+            return "https://www.barnesandnoble.com/w/{0}".format(self.val)
        elif format_type == "lubimyczytac":
            return "https://lubimyczytac.pl/ksiazka/{0}/ksiazka".format(self.val)
        elif format_type == "litres":
@@ -174,7 +179,7 @@ class Identifiers(Base):
        elif self.val.lower().startswith("javascript:"):
            return quote(self.val)
        elif self.val.lower().startswith("data:"):
-            link , __, __ = str.partition(self.val, ",")
+            link, __, __ = str.partition(self.val, ",")
            return link
        else:
            return "{0}".format(self.val)
@@ -188,6 +193,7 @@ class Comments(Base):
    text = Column(String(collation='NOCASE'), nullable=False)

    def __init__(self, comment, book):
+        super().__init__()
        self.text = comment
        self.book = book

@@ -205,6 +211,7 @@ class Tags(Base):
    name = Column(String(collation='NOCASE'), unique=True, nullable=False)

    def __init__(self, name):
+        super().__init__()
        self.name = name

    def get(self):
@@ -226,6 +233,7 @@ class Authors(Base):
    link = Column(String, nullable=False, default="")

    def __init__(self, name, sort, link=""):
+        super().__init__()
        self.name = name
        self.sort = sort
        self.link = link
@@ -248,6 +256,7 @@ class Series(Base):
    sort = Column(String(collation='NOCASE'))

    def __init__(self, name, sort):
+        super().__init__()
        self.name = name
        self.sort = sort

@@ -268,6 +277,7 @@ class Ratings(Base):
    rating = Column(Integer, CheckConstraint('rating>-1 AND rating<11'), unique=True)

    def __init__(self, rating):
+        super().__init__()
        self.rating = rating

    def get(self):
@@ -287,6 +297,7 @@ class Languages(Base):
    lang_code = Column(String(collation='NOCASE'), nullable=False, unique=True)

    def __init__(self, lang_code):
+        super().__init__()
        self.lang_code = lang_code

    def get(self):
@@ -310,6 +321,7 @@ class Publishers(Base):
    sort = Column(String(collation='NOCASE'))

    def __init__(self, name, sort):
+        super().__init__()
        self.name = name
        self.sort = sort

@@ -334,6 +346,7 @@ class Data(Base):
    name = Column(String, nullable=False)

    def __init__(self, book, book_format, uncompressed_size, name):
+        super().__init__()
        self.book = book
        self.format = book_format
        self.uncompressed_size = uncompressed_size
@@ -353,6 +366,7 @@ class Metadata_Dirtied(Base):
    book = Column(Integer, ForeignKey('books.id'), nullable=False, unique=True)

    def __init__(self, book):
+        super().__init__()
        self.book = book


@@ -365,10 +379,10 @@ class Books(Base):
    title = Column(String(collation='NOCASE'), nullable=False, default='Unknown')
    sort = Column(String(collation='NOCASE'))
    author_sort = Column(String(collation='NOCASE'))
-    timestamp = Column(TIMESTAMP, default=datetime.utcnow)
+    timestamp = Column(TIMESTAMP, default=lambda: datetime.now(timezone.utc))
    pubdate = Column(TIMESTAMP, default=DEFAULT_PUBDATE)
    series_index = Column(String, nullable=False, default="1.0")
-    last_modified = Column(TIMESTAMP, default=datetime.utcnow)
+    last_modified = Column(TIMESTAMP, default=lambda: datetime.now(timezone.utc))
    path = Column(String, default="", nullable=False)
    has_cover = Column(Integer, default=0)
    uuid = Column(String)
@@ -387,6 +401,7 @@ class Books(Base):

    def __init__(self, title, sort, author_sort, timestamp, pubdate, series_index, last_modified, path, has_cover,
                 authors, tags, languages=None):
+        super().__init__()
        self.title = title
        self.sort = sort
        self.author_sort = author_sort
@@ -395,12 +410,12 @@ class Books(Base):
        self.series_index = series_index
        self.last_modified = last_modified
        self.path = path
-        self.has_cover = (has_cover != None)
+        self.has_cover = (has_cover is not None)

    def __repr__(self):
        return "<Books('{0},{1}{2}{3}{4}{5}{6}{7}{8}')>".format(self.title, self.sort, self.author_sort,
-                                                                 self.timestamp, self.pubdate, self.series_index,
-                                                                 self.last_modified, self.path, self.has_cover)
+                                                                self.timestamp, self.pubdate, self.series_index,
+                                                                self.last_modified, self.path, self.has_cover)

    @property
    def atom_timestamp(self):
@@ -444,11 +459,13 @@ class CustomColumns(Base):
        content['is_editable'] = self.editable
        content['rec_index'] = sequence + 22     # toDo why ??
        if isinstance(value, datetime):
-            content['#value#'] = {"__class__": "datetime.datetime", "__value__": value.strftime("%Y-%m-%dT%H:%M:%S+00:00")}
+            content['#value#'] = {"__class__": "datetime.datetime",
+                                  "__value__": value.strftime("%Y-%m-%dT%H:%M:%S+00:00")}
        else:
            content['#value#'] = value
        content['#extra#'] = extra
-        content['is_multiple2'] = {} if not self.is_multiple else {"cache_to_list": "|", "ui_to_list": ",", "list_to_ui": ", "}
+        content['is_multiple2'] = {} if not self.is_multiple else {"cache_to_list": "|", "ui_to_list": ",",
+                                                                   "list_to_ui": ", "}
        return json.dumps(content, ensure_ascii=False)


@@ -508,7 +525,6 @@ class CalibreDB:
        if init:
            self.init_db(expire_on_commit)

-
    def init_db(self, expire_on_commit=True):
        if self._init:
            self.init_session(expire_on_commit)
@@ -518,7 +534,7 @@ class CalibreDB:
    def init_session(self, expire_on_commit=True):
        self.session = self.session_factory()
        self.session.expire_on_commit = expire_on_commit
-        self.update_title_sort(self.config)
+        self.create_functions(self.config)

    @classmethod
    def setup_db_cc_classes(cls, cc):
@@ -718,8 +734,8 @@ class CalibreDB:
    def common_filters(self, allow_show_archived=False, return_all_languages=False):
        if not allow_show_archived:
            archived_books = (ub.session.query(ub.ArchivedBook)
-                              .filter(ub.ArchivedBook.user_id == int(current_user.id))
-                              .filter(ub.ArchivedBook.is_archived == True)
+                              .filter(ub.ArchivedBook.user_id==int(current_user.id))
+                              .filter(ub.ArchivedBook.is_archived==True)
                              .all())
            archived_book_ids = [archived_book.book_id for archived_book in archived_books]
            archived_filter = Books.id.notin_(archived_book_ids)
@@ -839,8 +855,7 @@ class CalibreDB:
        entries = list()
        pagination = list()
        try:
-            pagination = Pagination(page, pagesize,
-                                    len(query.all()))
+            pagination = Pagination(page, pagesize, query.count())
            entries = query.order_by(*order).offset(off).limit(pagesize).all()
        except Exception as ex:
            log.error_or_exception(ex)
@@ -861,10 +876,11 @@ class CalibreDB:
            authors_ordered = list()
            # error = False
            for auth in sort_authors:
-                results = self.session.query(Authors).filter(Authors.sort == auth.lstrip().strip()).all()
+                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.strip()))
+                    log.error("Author {} not found to display name in right order".format(auth))
                    # error = True
                    break
                for r in results:
@@ -886,7 +902,8 @@ class CalibreDB:

    def get_typeahead(self, database, query, replace=('', ''), tag_filter=true()):
        query = query or ''
-        self.session.connection().connection.connection.create_function("lower", 1, lcase)
+        self.create_functions()
+        # self.session.connection().connection.connection.create_function("lower", 1, lcase)
        entries = self.session.query(database).filter(tag_filter). \
            filter(func.lower(database.name).ilike("%" + query + "%")).all()
        # json_dumps = json.dumps([dict(name=escape(r.name.replace(*replace))) for r in entries])
@@ -894,7 +911,8 @@ class CalibreDB:
        return json_dumps

    def check_exists_book(self, authr, title):
-        self.session.connection().connection.connection.create_function("lower", 1, lcase)
+        self.create_functions()
+        # self.session.connection().connection.connection.create_function("lower", 1, lcase)
        q = list()
        author_terms = re.split(r'\s*&\s*', authr)
        for author_term in author_terms:
@@ -904,8 +922,9 @@ class CalibreDB:
            .filter(and_(Books.authors.any(and_(*q)), func.lower(Books.title).ilike("%" + title + "%"))).first()

    def search_query(self, term, config, *join):
-        term.strip().lower()
-        self.session.connection().connection.connection.create_function("lower", 1, lcase)
+        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:
@@ -956,7 +975,7 @@ class CalibreDB:
        pagination = None
        result = self.search_query(term, config, *join).order_by(*order).all()
        result_count = len(result)
-        if offset != None and limit != None:
+        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)
@@ -986,7 +1005,7 @@ class CalibreDB:
            if not return_all_languages:
                no_lang_count = (self.session.query(Books)
                                 .outerjoin(books_languages_link).outerjoin(Languages)
-                                 .filter(Languages.lang_code == None)
+                                 .filter(Languages.lang_code==None)
                                 .filter(self.common_filters())
                                 .count())
                if no_lang_count:
@@ -1003,7 +1022,7 @@ class CalibreDB:
                lang.name = isoLanguages.get_language_name(get_locale(), lang.lang_code)
            return sorted(languages, key=lambda x: x.name, reverse=reverse_order)

-    def update_title_sort(self, config, conn=None):
+    def create_functions(self, config=None):
        # user defined sort function for calibre databases (Series, etc.)
        def _title_sort(title):
            # calibre sort stuff
@@ -1012,16 +1031,19 @@ class CalibreDB:
            if match:
                prep = match.group(1)
                title = title[len(prep):] + ', ' + prep
-            return title.strip()
+            return strip_whitespaces(title)

        try:
-            # sqlalchemy <1.4.24
-            conn = conn or self.session.connection().connection.driver_connection
+            # sqlalchemy <1.4.24 and sqlalchemy 2.0
+            conn = self.session.connection().connection.driver_connection
        except AttributeError:
-            # sqlalchemy >1.4.24 and sqlalchemy 2.0
-            conn = conn or self.session.connection().connection.connection
+            # sqlalchemy >1.4.24
+            conn = self.session.connection().connection.connection
        try:
-            conn.create_function("title_sort", 1, _title_sort)
+            if config:
+                conn.create_function("title_sort", 1, _title_sort)
+            conn.create_function('uuid4', 0, lambda: str(uuid4()))
+            conn.create_function("lower", 1, lcase)
        except sqliteOperationalError:
            pass

@@ -1084,9 +1106,3 @@ class Category:
        self.id = cat_id
        self.rating = rating
        self.count = 1
-
-'''class Count:
-    count = None
-
-    def __init__(self, count):
-        self.count = count'''
@@ -26,13 +26,15 @@ from flask_babel.speaklater import LazyString

 import os

-from flask import send_file, __version__
+from flask import send_file
+import importlib

 from . import logger, config
 from .about import collect_stats

 log = logger.create()

+
 class lazyEncoder(json.JSONEncoder):
    def default(self, obj):
        if isinstance(obj, LazyString):
@@ -40,6 +42,7 @@ class lazyEncoder(json.JSONEncoder):
        # Let the base class default method raise the TypeError
        return json.JSONEncoder.default(self, obj)

+
 def assemble_logfiles(file_name):
    log_list = sorted(glob.glob(file_name + '*'), reverse=True)
    wfd = BytesIO()
@@ -47,7 +50,8 @@ def assemble_logfiles(file_name):
        with open(f, 'rb') as fd:
            shutil.copyfileobj(fd, wfd)
    wfd.seek(0)
-    if int(__version__.split('.')[0]) < 2:
+    version = importlib.metadata.version("flask")
+    if int(version.split('.')[0]) < 2:
        return send_file(wfd,
                         as_attachment=True,
                         attachment_filename=os.path.basename(file_name))
@@ -70,7 +74,8 @@ def send_debug():
        for fp in file_list:
            zf.write(fp, os.path.basename(fp))
    memory_zip.seek(0)
-    if int(__version__.split('.')[0]) < 2:
+    version = importlib.metadata.version("flask")
+    if int(version.split('.')[0]) < 2:
        return send_file(memory_zip,
                         as_attachment=True,
                         attachment_filename="Calibre-Web-debug-pack.zip")
@@ -39,11 +39,27 @@ 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 getattr(sys, 'frozen', False):
                                dep_version = exe_deps[res.group(1).lower().replace('_', '-')]
                            else:
+                                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 importlib:
                                    dep_version = version(res.group(1))
                                else:
@@ -58,10 +74,12 @@ def load_dependencies(optional=False):

 def dependency_check(optional=False):
    d = list()
+    dep_version_int = None
+    low_check = None
    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:
@@ -28,16 +28,14 @@ log = logger.create()

 def do_calibre_export(book_id, book_format):
    try:
-        quotes = [3, 5, 7, 9]
+        quotes = [4, 6]
        tmp_dir = get_temp_dir()
        calibredb_binarypath = get_calibre_binarypath("calibredb")
        temp_file_name = str(uuid4())
        my_env = os.environ.copy()
        if config.config_calibre_split:
            my_env['CALIBRE_OVERRIDE_DATABASE_PATH'] = os.path.join(config.config_calibre_dir, "metadata.db")
-            library_path = config.config_calibre_split_dir
-        else:
-            library_path = config.config_calibre_dir
+        library_path = config.get_book_path()
        opf_command = [calibredb_binarypath, 'export', '--dont-write-opf', '--with-library', library_path,
                       '--to-dir', tmp_dir, '--formats', book_format, "--template", "{}".format(temp_file_name),
                       str(book_id)]
@@ -25,6 +25,7 @@ from . import config, logger
 from .helper import split_authors
 from .epub_helper import get_content_opf, default_ns
 from .constants import BookMeta
+from .string_helper import strip_whitespaces

 log = logger.create()

@@ -45,6 +46,7 @@ def _extract_cover(zip_file, cover_file, cover_path, tmp_file_name):
        cf = zip_file.read(zip_cover_path)
    return cover.cover_processing(tmp_file_name, cf, extension)

+
 def get_epub_layout(book, book_data):
    file_path = os.path.normpath(os.path.join(config.get_book_path(),
                                              book.path, book_data.name + "." + book_data.format.lower()))
@@ -54,7 +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) as e:
+    except (etree.XMLSyntaxError, KeyError, IndexError, OSError) as e:
        log.error("Could not parse epub metadata of book {} during kobo sync: {}".format(book.id, e))
        layout = []

@@ -64,7 +66,7 @@ def get_epub_layout(book, book_data):
        return layout[0]


-def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
+def get_epub_info(tmp_file_path, original_file_name, original_file_extension, no_cover_processing):
    ns = {
        'n': 'urn:oasis:names:tc:opendocument:xmlns:container',
        'pkg': 'http://www.idpf.org/2007/opf',
@@ -89,7 +91,7 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
            elif s == 'date':
                epub_metadata[s] = tmp[0][:10]
            else:
-                epub_metadata[s] = tmp[0].strip()
+                epub_metadata[s] = strip_whitespaces(tmp[0])
        else:
            epub_metadata[s] = 'Unknown'

@@ -115,7 +117,10 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
    epub_metadata = parse_epub_series(ns, tree, epub_metadata)

    epub_zip = zipfile.ZipFile(tmp_file_path)
-    cover_file = parse_epub_cover(ns, tree, epub_zip, cover_path, tmp_file_path)
+    if not no_cover_processing:
+        cover_file = parse_epub_cover(ns, tree, epub_zip, cover_path, tmp_file_path)
+    else:
+        cover_file = None

    identifiers = []
    for node in p.xpath('dc:identifier', namespaces=ns):
@@ -43,7 +43,7 @@ def updateEpub(src, dest, filename, data, ):
    # create a temp copy of the archive without filename
    with zipfile.ZipFile(src, 'r') as zin:
        with zipfile.ZipFile(dest, 'w') as zout:
-            zout.comment = zin.comment # preserve the comment
+            zout.comment = zin.comment  # preserve the comment
            for item in zin.infolist():
                if item.filename != filename:
                    zout.writestr(item, zin.read(item.filename))
@@ -53,7 +53,9 @@ def updateEpub(src, dest, filename, data, ):
        zf.writestr(filename, data)


-def get_content_opf(file_path, ns=default_ns):
+def get_content_opf(file_path, ns=None):
+    if ns is None:
+        ns = default_ns
    epubZip = zipfile.ZipFile(file_path)
    txt = epubZip.read('META-INF/container.xml')
    tree = etree.fromstring(txt)
@@ -154,13 +156,14 @@ def create_new_metadata_backup(book,  custom_columns, export_language, translate

    return package

+
 def replace_metadata(tree, package):
    rep_element = tree.xpath('/pkg:package/pkg:metadata', namespaces=default_ns)[0]
    new_element = package.xpath('//metadata', namespaces=default_ns)[0]
    tree.replace(rep_element, new_element)
    return etree.tostring(tree,
-                   xml_declaration=True,
-                   encoding='utf-8',
-                   pretty_print=True).decode('utf-8')
+                          xml_declaration=True,
+                          encoding='utf-8',
+                          pretty_print=True).decode('utf-8')


@@ -31,6 +31,7 @@ from . import config, app, logger, services
 log = logger.create()

 # custom error page
+
 def error_http(error):
    return render_template('http_error.html',
                           error_code="Error {0}".format(error.code),
@@ -52,6 +53,7 @@ def internal_error(error):
                           instance=config.config_calibre_web_title
                           ), 500

+
 def init_errorhandler():
    # http error handling
    for ex in default_exceptions:
@@ -60,7 +62,6 @@ def init_errorhandler():
        elif ex == 500:
            app.register_error_handler(ex, internal_error)

-
    if services.ldap:
        # Only way of catching the LDAPException upon logging in with LDAP server down
        @app.errorhandler(services.ldap.LDAPException)
@@ -19,6 +19,20 @@
 from tempfile import gettempdir
 import os
 import shutil
+import zipfile
+import mimetypes
+from io import BytesIO
+
+from . import logger
+
+log = logger.create()
+
+try:
+    import magic
+    error = None
+except ImportError as e:
+    error = "Cannot import python-magic, checking uploaded file metadata will not work: {}".format(e)
+

 def get_temp_dir():
    tmp_dir = os.path.join(gettempdir(), 'calibre_web')
@@ -30,3 +44,31 @@ def get_temp_dir():
 def del_temp_dir():
    tmp_dir = os.path.join(gettempdir(), 'calibre_web')
    shutil.rmtree(tmp_dir)
+
+
+def validate_mime_type(file_buffer, allowed_extensions):
+    if error:
+        log.error(error)
+        return False
+    mime = magic.Magic(mime=True)
+    allowed_mimetypes = list()
+    for x in allowed_extensions:
+        try:
+            allowed_mimetypes.append(mimetypes.types_map["." + x])
+        except KeyError:
+            log.error("Unkown mimetype for Extension: {}".format(x))
+    tmp_mime_type = mime.from_buffer(file_buffer.read())
+    file_buffer.seek(0)
+    if any(mime_type in tmp_mime_type for mime_type in allowed_mimetypes):
+        return True
+    # Some epubs show up as zip mimetypes
+    elif "zip" in tmp_mime_type:
+        try:
+            with zipfile.ZipFile(BytesIO(file_buffer.read()), 'r') as epub:
+                file_buffer.seek(0)
+                if "mimetype" in epub.namelist():
+                    return True
+        except:
+            file_buffer.seek(0)
+    log.error("Mimetype '{}' not found in allowed types".format(tmp_mime_type))
+    return False
@@ -29,11 +29,11 @@ from shutil import move, copyfile

 from flask import Blueprint, flash, request, redirect, url_for, abort
 from flask_babel import gettext as _
-from flask_login import login_required

 from . import logger, gdriveutils, config, ub, calibre_db, csrf
 from .admin import admin_required
 from .file_helper import get_temp_dir
+from .usermanagement import user_login_required

 gdrive = Blueprint('gdrive', __name__, url_prefix='/gdrive')
 log = logger.create()
@@ -45,11 +45,11 @@ except ImportError as err:

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

-gdrive_watch_callback_token = 'target=calibreweb-watch_files'  #nosec
+gdrive_watch_callback_token = 'target=calibreweb-watch_files'  # nosec


@gdrive.route("/authenticate")
-@login_required
+@user_login_required
@admin_required
 def authenticate_google_drive():
    try:
@@ -76,7 +76,7 @@ def google_drive_callback():


@gdrive.route("/watch/subscribe")
-@login_required
+@user_login_required
@admin_required
 def watch_gdrive():
    if not config.config_google_drive_watch_changes_response:
@@ -86,11 +86,12 @@ def watch_gdrive():
        notification_id = str(uuid4())
        try:
            result = gdriveutils.watchChange(gdriveutils.Gdrive.Instance().drive, notification_id,
-                               'web_hook', address, gdrive_watch_callback_token, current_milli_time() + 604800*1000)
+                                 'web_hook', address, gdrive_watch_callback_token, current_milli_time() + 604800*1000)
+
            config.config_google_drive_watch_changes_response = result
            config.save()
        except HttpError as e:
-            reason=json.loads(e.content)['error']['errors'][0]
+            reason = json.loads(e.content)['error']['errors'][0]
            if reason['reason'] == 'push.webhookUrlUnauthorized':
                flash(_('Callback domain is not verified, '
                        'please follow steps to verify domain in google developer console'), category="error")
@@ -101,7 +102,7 @@ def watch_gdrive():


@gdrive.route("/watch/revoke")
-@login_required
+@user_login_required
@admin_required
 def revoke_watch_gdrive():
    last_watch_response = config.config_google_drive_watch_changes_response
@@ -115,6 +116,7 @@ def revoke_watch_gdrive():
        config.save()
    return redirect(url_for('admin.db_configuration'))

+
 try:
    @csrf.exempt
    @gdrive.route("/watch/callback", methods=['GET', 'POST'])
@@ -138,7 +140,7 @@ try:
            if response:
                dbpath = os.path.join(config.config_calibre_dir, "metadata.db").encode()
                if not response['deleted'] and response['file']['title'] == 'metadata.db' \
-                    and response['file']['md5Checksum'] != hashlib.md5(dbpath):  # nosec
+                  and response['file']['md5Checksum'] != hashlib.md5(dbpath):  # nosec
                    tmp_dir = get_temp_dir()

                    log.info('Database file updated')
@@ -21,7 +21,10 @@ import json
 import shutil
 import chardet
 import ssl
+import sqlite3
+import mimetypes

+from werkzeug.datastructures import Headers
 from flask import Response, stream_with_context
 from sqlalchemy import create_engine
 from sqlalchemy import Column, UniqueConstraint
@@ -63,7 +66,7 @@ except ImportError as err:
        importError = err
        gdrive_support = False

-from . import logger, cli_param, config
+from . import logger, cli_param, config, db
 from .constants import CONFIG_DIR as _CONFIG_DIR


@@ -207,6 +210,7 @@ def getDrive(drive=None, gauth=None):
            log.error("Google Drive error: {}".format(e))
    return drive

+
 def listRootFolders():
    try:
        drive = getDrive(Gdrive.Instance().drive)
@@ -224,7 +228,7 @@ def getEbooksFolder(drive):

 def getFolderInFolder(parentId, folderName, drive):
    # drive = getDrive(drive)
-    query=""
+    query = ""
    if folderName:
        query = "title = '%s' and " % folderName.replace("'", r"\'")
    folder = query + "'%s' in parents and mimeType = 'application/vnd.google-apps.folder'" \
@@ -235,6 +239,7 @@ def getFolderInFolder(parentId, folderName, drive):
    else:
        return fileList[0]

+
 # Search for id of root folder in gdrive database, if not found request from gdrive and store in internal database
 def getEbooksFolderId(drive=None):
    storedPathName = session.query(GdriveId).filter(GdriveId.path == '/').first()
@@ -256,17 +261,20 @@ def getEbooksFolderId(drive=None):
        return gDriveId.gdrive_id


-def getFile(pathId, fileName, drive):
-    metaDataFile = "'%s' in parents and trashed = false and title = '%s'" % (pathId, fileName.replace("'", r"\'"))
+def getFile(pathId, fileName, drive, nocase):
+    metaDataFile = "'%s' in parents and trashed = false and title contains '%s'" % (pathId, fileName.replace("'", r"\'"))
    fileList = drive.ListFile({'q': metaDataFile}).GetList()
    if fileList.__len__() == 0:
        return None
-    else:
-        return fileList[0]
+    if nocase:
+        return fileList[0] if db.lcase(fileList[0]['title']) == db.lcase(fileName) else None
+    for f in fileList:
+        if f['title'] == fileName:
+            return f
+    return None


 def getFolderId(path, drive):
-    # drive = getDrive(drive)
    currentFolderId = None
    try:
        currentFolderId = getEbooksFolderId(drive)
@@ -300,7 +308,7 @@ def getFolderId(path, drive):
                session.commit()
        else:
            currentFolderId = storedPathName.gdrive_id
-    except (OperationalError, IntegrityError, StaleDataError) as ex:
+    except (OperationalError, IntegrityError, StaleDataError, sqlite3.IntegrityError) as ex:
        log.error_or_exception('Database error: {}'.format(ex))
        session.rollback()
    except ApiRequestError as ex:
@@ -311,7 +319,7 @@ def getFolderId(path, drive):
    return currentFolderId


-def getFileFromEbooksFolder(path, fileName):
+def getFileFromEbooksFolder(path, fileName, nocase=False):
    drive = getDrive(Gdrive.Instance().drive)
    if path:
        # sqlCheckPath=path if path[-1] =='/' else path + '/'
@@ -319,7 +327,7 @@ def getFileFromEbooksFolder(path, fileName):
    else:
        folderId = getEbooksFolderId(drive)
    if folderId:
-        return getFile(folderId, fileName, drive)
+        return getFile(folderId, fileName, drive, nocase)
    else:
        return None

@@ -335,33 +343,37 @@ def downloadFile(path, filename, output):
    f.GetContentFile(output)


-def moveGdriveFolderRemote(origin_file, target_folder):
+def moveGdriveFolderRemote(origin_file, target_folder, single_book=False):
    drive = getDrive(Gdrive.Instance().drive)
    previous_parents = ",".join([parent["id"] for parent in origin_file.get('parents')])
    children = drive.auth.service.children().list(folderId=previous_parents).execute()
-    gFileTargetDir = getFileFromEbooksFolder(None, target_folder)
-    if not gFileTargetDir:
-        gFileTargetDir = drive.CreateFile(
-            {'title': target_folder, 'parents': [{"kind": "drive#fileLink", 'id': getEbooksFolderId()}],
-             "mimeType": "application/vnd.google-apps.folder"})
-        gFileTargetDir.Upload()
-        # Move the file to the new folder
-        drive.auth.service.files().update(fileId=origin_file['id'],
-                                          addParents=gFileTargetDir['id'],
-                                          removeParents=previous_parents,
-                                          fields='id, parents').execute()
-
-    elif gFileTargetDir['title'] != target_folder:
+    if single_book:
+        gFileTargetDir = getFileFromEbooksFolder(None, target_folder, nocase=True)
+        if gFileTargetDir:
+            # Move the file to the new folder
+            drive.auth.service.files().update(fileId=origin_file['id'],
+                                              addParents=gFileTargetDir['id'],
+                                              removeParents=previous_parents,
+                                              fields='id, parents').execute()
+        else:
+            gFileTargetDir = drive.CreateFile(
+                {'title': target_folder, 'parents': [{"kind": "drive#fileLink", 'id': getEbooksFolderId()}],
+                 "mimeType": "application/vnd.google-apps.folder"})
+            gFileTargetDir.Upload()
+            # Move the file to the new folder
+            drive.auth.service.files().update(fileId=origin_file['id'],
+                                              addParents=gFileTargetDir['id'],
+                                              removeParents=previous_parents,
+                                              fields='id, parents').execute()
+    elif origin_file['title'] != target_folder:
+        #gFileTargetDir = getFileFromEbooksFolder(None, target_folder, nocase=True)
+        #if gFileTargetDir:
+        deleteDatabasePath(origin_file['title'])
        # Folder is not existing, create, and move folder
        drive.auth.service.files().patch(fileId=origin_file['id'],
                                         body={'title': target_folder},
                                         fields='title').execute()
-    else:
-        # Move the file to the new folder
-        drive.auth.service.files().update(fileId=origin_file['id'],
-                                          addParents=gFileTargetDir['id'],
-                                          removeParents=previous_parents,
-                                          fields='id, parents').execute()
+
    # if previous_parents has no children anymore, delete original fileparent
    if len(children['items']) == 1:
        deleteDatabaseEntry(previous_parents)
@@ -369,20 +381,20 @@ def moveGdriveFolderRemote(origin_file, target_folder):


 def copyToDrive(drive, uploadFile, createRoot, replaceFiles,
-        ignoreFiles=None,
-        parent=None, prevDir=''):
+                ignoreFiles=None,
+                parent=None, prevDir=''):
    ignoreFiles = ignoreFiles or []
    drive = getDrive(drive)
    isInitial = not bool(parent)
    if not parent:
        parent = getEbooksFolder(drive)
-    if os.path.isdir(os.path.join(prevDir,uploadFile)):
+    if os.path.isdir(os.path.join(prevDir, uploadFile)):
        existingFolder = drive.ListFile({'q': "title = '%s' and '%s' in parents and trashed = false" %
                                              (os.path.basename(uploadFile).replace("'", r"\'"), parent['id'])}).GetList()
        if len(existingFolder) == 0 and (not isInitial or createRoot):
            parent = drive.CreateFile({'title': os.path.basename(uploadFile),
                                       'parents': [{"kind": "drive#fileLink", 'id': parent['id']}],
-                "mimeType": "application/vnd.google-apps.folder"})
+                                       "mimeType": "application/vnd.google-apps.folder"})
            parent.Upload()
        else:
            if (not isInitial or createRoot) and len(existingFolder) > 0:
@@ -398,7 +410,7 @@ def copyToDrive(drive, uploadFile, createRoot, replaceFiles,
                driveFile = existingFiles[0]
            else:
                driveFile = drive.CreateFile({'title': os.path.basename(uploadFile).replace("'", r"\'"),
-                                              'parents': [{"kind":"drive#fileLink", 'id': parent['id']}], })
+                                              'parents': [{"kind": "drive#fileLink", 'id': parent['id']}], })
            driveFile.SetContentFile(os.path.join(prevDir, uploadFile))
            driveFile.Upload()

@@ -410,7 +422,7 @@ def uploadFileToEbooksFolder(destFile, f, string=False):
    for i, x in enumerate(splitDir):
        if i == len(splitDir)-1:
            existing_Files = drive.ListFile({'q': "title = '%s' and '%s' in parents and trashed = false" %
-                                                 (x.replace("'", r"\'"), parent['id'])}).GetList()
+                                                  (x.replace("'", r"\'"), parent['id'])}).GetList()
            if len(existing_Files) > 0:
                driveFile = existing_Files[0]
            else:
@@ -423,17 +435,17 @@ def uploadFileToEbooksFolder(destFile, f, string=False):
            driveFile.Upload()
        else:
            existing_Folder = drive.ListFile({'q': "title = '%s' and '%s' in parents and trashed = false" %
-                                                  (x.replace("'", r"\'"), parent['id'])}).GetList()
+                                                   (x.replace("'", r"\'"), parent['id'])}).GetList()
            if len(existing_Folder) == 0:
                parent = drive.CreateFile({'title': x, 'parents': [{"kind": "drive#fileLink", 'id': parent['id']}],
-                    "mimeType": "application/vnd.google-apps.folder"})
+                                           "mimeType": "application/vnd.google-apps.folder"})
                parent.Upload()
            else:
                parent = existing_Folder[0]


 def watchChange(drive, channel_id, channel_type, channel_address,
-              channel_token=None, expiration=None):
+                channel_token=None, expiration=None):
    # Watch for all changes to a user's Drive.
    # Args:
    # service: Drive API service instance.
@@ -504,7 +516,7 @@ def stopChannel(drive, channel_id, resource_id):
    return drive.auth.service.channels().stop(body=body).execute()


-def getChangeById (drive, change_id):
+def getChangeById(drive, change_id):
    # Print a single Change resource information.
    #
    # Args:
@@ -538,8 +550,9 @@ def updateGdriveCalibreFromLocal():
        if os.path.isdir(os.path.join(config.config_calibre_dir, x)):
            shutil.rmtree(os.path.join(config.config_calibre_dir, x))

+
 # update gdrive.db on edit of books title
-def updateDatabaseOnEdit(ID,newPath):
+def updateDatabaseOnEdit(ID, newPath):
    sqlCheckPath = newPath if newPath[-1] == '/' else newPath + '/'
    storedPathName = session.query(GdriveId).filter(GdriveId.gdrive_id == ID).first()
    if storedPathName:
@@ -560,6 +573,14 @@ def deleteDatabaseEntry(ID):
        log.error_or_exception('Database error: {}'.format(ex))
        session.rollback()

+def deleteDatabasePath(Pathname):
+    session.query(GdriveId).filter(GdriveId.path.contains(Pathname)).delete()
+    try:
+        session.commit()
+    except OperationalError as ex:
+        log.error_or_exception('Database error: {}'.format(ex))
+        session.rollback()
+

 # Gets cover file from gdrive
 # ToDo: Check is this right everyone get read permissions on cover files?
@@ -578,13 +599,17 @@ def get_cover_via_gdrive(cover_path):
            session.add(permissionAdded)
            try:
                session.commit()
-            except OperationalError as ex:
+            except (OperationalError, IntegrityError) as ex:
                log.error_or_exception('Database error: {}'.format(ex))
                session.rollback()
-        return df.metadata.get('webContentLink')
+        headers = Headers()
+        headers["Content-Type"] = 'image/jpeg'
+        resp, content = df.auth.Get_Http_Object().request(df.metadata.get('downloadUrl'), headers=headers)
+        return content
    else:
        return None

+
 # Gets cover file from gdrive
 def get_metadata_backup_via_gdrive(metadata_path):
    df = getFileFromEbooksFolder(metadata_path, 'metadata.opf')
@@ -608,6 +633,7 @@ def get_metadata_backup_via_gdrive(metadata_path):
    else:
        return None

+
 # Creates chunks for downloading big files
 def partial(total_byte_len, part_size_limit):
    s = []
@@ -616,6 +642,7 @@ def partial(total_byte_len, part_size_limit):
        s.append([p, last])
    return s

+
 # downloads files in chunks from gdrive
 def do_gdrive_download(df, headers, convert_encoding=False):
    total_size = int(df.metadata.get('fileSize'))
@@ -655,6 +682,7 @@ oauth_scope:
  - https://www.googleapis.com/auth/drive
 """

+
 def update_settings(client_id, client_secret, redirect_uri):
    if redirect_uri.endswith('/'):
        redirect_uri = redirect_uri[:-1]
@@ -16,9 +16,10 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.

-
+from datetime import datetime
 from gevent.pywsgi import WSGIHandler

+
 class MyWSGIHandler(WSGIHandler):
    def get_environ(self):
        env = super().get_environ()
@@ -26,4 +27,26 @@ class MyWSGIHandler(WSGIHandler):
        env['RAW_URI'] = path
        return env

+    def format_request(self):
+        now = datetime.now().replace(microsecond=0)
+        length = self.response_length or '-'
+        if self.time_finish:
+            delta = '%.6f' % (self.time_finish - self.time_start)
+        else:
+            delta = '-'
+        forwarded = self.environ.get('HTTP_X_FORWARDED_FOR', None)
+        if forwarded:
+            client_address = forwarded
+        else:
+            client_address = self.client_address[0] if isinstance(self.client_address, tuple) else self.client_address
+        return '%s - - [%s] "%s" %s %s %s' % (
+            client_address or '-',
+            now,
+            self.requestline or '',
+            # Use the native string version of the status, saved so we don't have to
+            # decode. But fallback to the encoded 'status' in case of subclasses
+            # (Is that really necessary? At least there's no overhead.)
+            (self._orig_status or self.status or '000').split()[0],
+            length,
+            delta)

@@ -25,16 +25,16 @@ import re
 import regex
 import shutil
 import socket
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 import requests
 import unidecode
 from uuid import uuid4

-from flask import send_from_directory, make_response, redirect, abort, url_for
+from flask import send_from_directory, make_response, abort, url_for, Response
 from flask_babel import gettext as _
 from flask_babel import lazy_gettext as N_
 from flask_babel import get_locale
-from flask_login import current_user
+from .cw_login import current_user
 from sqlalchemy.sql.expression import true, false, and_, or_, text, func
 from sqlalchemy.exc import InvalidRequestError, OperationalError
 from werkzeug.datastructures import Headers
@@ -43,15 +43,16 @@ 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

 from . import calibre_db, cli_param
+from .string_helper import strip_whitespaces
 from .tasks.convert import TaskConvert
 from . import logger, config, db, ub, fs
 from . import gdriveutils as gd
@@ -117,9 +118,11 @@ def convert_book_format(book_id, calibre_path, old_book_format, new_book_format,

 # Texts are not lazy translated as they are supposed to get send out as is
 def send_test_mail(ereader_mail, user_name):
-    WorkerThread.add(user_name, TaskEmail(_('Calibre-Web Test Email'), None, None,
-                     config.get_mail_settings(), ereader_mail, N_("Test Email"),
-                                          _('This Email has been sent via Calibre-Web.')))
+    for email in ereader_mail.split(','):
+        email = strip_whitespaces(email)
+        WorkerThread.add(user_name, TaskEmail(_('Calibre-Web Test Email'), None, None,
+                         config.get_mail_settings(), email, N_("Test Email"),
+                                              _('This Email has been sent via Calibre-Web.')))
    return


@@ -225,9 +228,11 @@ def send_mail(book_id, book_format, convert, ereader_mail, calibrepath, user_id)
            converted_file_name = entry.name + '.' + book_format.lower()
            link = '<a href="{}">{}</a>'.format(url_for('web.show_book', book_id=book_id), escape(book.title))
            email_text = N_("%(book)s send to eReader", book=link)
-            WorkerThread.add(user_id, TaskEmail(_("Send to eReader"), book.path, converted_file_name,
-                             config.get_mail_settings(), ereader_mail,
-                             email_text, _('This Email has been sent via Calibre-Web.'),book.id))
+            for email in ereader_mail.split(','):
+                email = strip_whitespaces(email)
+                WorkerThread.add(user_id, TaskEmail(_("Send to eReader"), book.path, converted_file_name,
+                                 config.get_mail_settings(), email,
+                                 email_text, _('This Email has been sent via Calibre-Web.'), book.id))
            return
    return _("The requested file could not be read. Maybe wrong permissions?")

@@ -248,7 +253,7 @@ def get_valid_filename(value, replace_whitespace=True, chars=128):
        # pipe has to be replaced with comma
        value = re.sub(r'[|]+', ',', value, flags=re.U)

-    value = value.encode('utf-8')[:chars].decode('utf-8', errors='ignore').strip()
+    value = strip_whitespaces(value.encode('utf-8')[:chars].decode('utf-8', errors='ignore'))

    if not value:
        raise ValueError("Filename cannot be empty")
@@ -263,11 +268,11 @@ def split_authors(values):
            commas = author.count(',')
            if commas == 1:
                author_split = author.split(',')
-                authors_list.append(author_split[1].strip() + ' ' + author_split[0].strip())
+                authors_list.append(strip_whitespaces(author_split[1]) + ' ' + strip_whitespaces(author_split[0]))
            elif commas > 1:
-                authors_list.extend([x.strip() for x in author.split(',')])
+                authors_list.extend([strip_whitespaces(x) for x in author.split(',')])
            else:
-                authors_list.append(author.strip())
+                authors_list.append(strip_whitespaces(author))
    return authors_list


@@ -323,7 +328,7 @@ def edit_book_read_status(book_id, read_status=None):
        ub.session_commit("Book {} readbit toggled".format(book_id))
    else:
        try:
-            calibre_db.update_title_sort(config)
+            calibre_db.create_functions(config)
            book = calibre_db.get_filtered_book(book_id)
            book_read_status = getattr(book, 'custom_column_' + str(config.config_read_column))
            if len(book_read_status):
@@ -388,75 +393,54 @@ def delete_book_file(book, calibrepath, book_format=None):
                   id=book.id,
                   path=book.path)

-
-def clean_author_database(renamed_author, calibre_path="", local_book=None, gdrive=None):
-    valid_filename_authors = [get_valid_filename(r, chars=96) for r in renamed_author]
-    for r in renamed_author:
-        if local_book:
-            all_books = [local_book]
+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()))
        else:
-            all_books = calibre_db.session.query(db.Books) \
-                .filter(db.Books.authors.any(db.Authors.name == r)).all()
-        for book in all_books:
-            book_author_path = book.path.split('/')[0]
-            if book_author_path in valid_filename_authors or local_book:
-                new_author = calibre_db.session.query(db.Authors).filter(db.Authors.name == r).first()
-                all_new_authordir = get_valid_filename(new_author.name, chars=96)
-                all_titledir = book.path.split('/')[1]
-                all_new_path = os.path.join(calibre_path, all_new_authordir, all_titledir)
-                all_new_name = get_valid_filename(book.title, chars=42) + ' - ' \
-                    + get_valid_filename(new_author.name, chars=42)
-                # change location in database to new author/title path
-                book.path = os.path.join(all_new_authordir, all_titledir).replace('\\', '/')
-                for file_format in book.data:
-                    if not gdrive:
-                        shutil.move(os.path.normcase(os.path.join(all_new_path,
-                                                                  file_format.name + '.' + file_format.format.lower())),
-                                    os.path.normcase(os.path.join(all_new_path,
-                                                                  all_new_name + '.' + file_format.format.lower())))
-                    else:
-                        g_file = gd.getFileFromEbooksFolder(all_new_path,
-                                                            file_format.name + '.' + file_format.format.lower())
-                        if g_file:
-                            gd.moveGdriveFileRemote(g_file, all_new_name + '.' + file_format.format.lower())
-                            gd.updateDatabaseOnEdit(g_file['id'], all_new_name + '.' + file_format.format.lower())
-                        else:
-                            log.error("File {} not found on gdrive"
-                                      .format(all_new_path, file_format.name + '.' + file_format.format.lower()))
-                    file_format.name = all_new_name
+            g_file = gd.getFileFromEbooksFolder(old_path,
+                                                file_format.name + '.' + file_format.format.lower())
+            if g_file:
+                gd.moveGdriveFileRemote(g_file, all_new_name + '.' + file_format.format.lower())
+                gd.updateDatabaseOnEdit(g_file['id'], all_new_name + '.' + file_format.format.lower())
+            else:
+                log.error("File {} not found on gdrive"
+                          .format(old_path, file_format.name + '.' + file_format.format.lower()))
+
+        # change name in Database
+        file_format.name = all_new_name


-def rename_all_authors(first_author, renamed_author, calibre_path="", localbook=None, gdrive=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
-    if first_author:
-        new_authordir = get_valid_filename(first_author, chars=96)
-        for r in renamed_author:
-            new_author = calibre_db.session.query(db.Authors).filter(db.Authors.name == r).first()
-            old_author_dir = get_valid_filename(r, chars=96)
-            new_author_rename_dir = get_valid_filename(new_author.name, chars=96)
-            if gdrive:
-                g_file = gd.getFileFromEbooksFolder(None, old_author_dir)
-                if g_file:
-                    gd.moveGdriveFolderRemote(g_file, new_author_rename_dir)
-            else:
-                if os.path.isdir(os.path.join(calibre_path, old_author_dir)):
-                    try:
-                        old_author_path = os.path.join(calibre_path, old_author_dir)
-                        new_author_path = os.path.join(calibre_path, new_author_rename_dir)
-                        shutil.move(os.path.normcase(old_author_path), os.path.normcase(new_author_path))
-                    except OSError as ex:
-                        log.error("Rename author from: %s to %s: %s", old_author_path, new_author_path, ex)
-                        log.debug(ex, exc_info=True)
-                        return _("Rename author from: '%(src)s' to '%(dest)s' failed with error: %(error)s",
-                                 src=old_author_path, dest=new_author_path, error=str(ex))
+    new_authordir = get_valid_filename(first_author, chars=96)
+    new_author_rename_dir = get_valid_filename(renamed_author, chars=96)
+    if gdrive:
+        g_file = gd.getFileFromEbooksFolder(None, old_author_dir)
+        if g_file:
+            gd.moveGdriveFolderRemote(g_file, new_author_rename_dir)
    else:
-        new_authordir = get_valid_filename(localbook.authors[0].name, chars=96)
+        if os.path.isdir(os.path.join(calibre_path, old_author_dir)):
+            old_author_path = os.path.join(calibre_path, old_author_dir)
+            new_author_path = os.path.join(calibre_path, new_author_rename_dir)
+            try:
+                os.rename(old_author_path, new_author_path)
+            except OSError:
+                try:
+                    shutil.move(old_author_path, new_author_path)
+                except OSError as ex:
+                    log.error("Rename author from: %s to %s: %s", old_author_path, new_author_path, ex)
+                    log.error_or_exception(ex)
+                    raise Exception(_("Rename author from: '%(src)s' to '%(dest)s' failed with error: %(error)s",
+                             src=old_author_path, dest=new_author_path, error=str(ex)))
    return new_authordir

-
 # Moves files in file storage during author/title rename, or from temp dir to file storage
-def update_dir_structure_file(book_id, calibre_path, first_author, original_filepath, db_filename, renamed_author):
+def update_dir_structure_file(book_id, calibre_path, original_filepath, new_author, db_filename):
    # get book database entry from id, if original path overwrite source with original_filepath
    local_book = calibre_db.get_book(book_id)
    if original_filepath:
@@ -468,15 +452,11 @@ def update_dir_structure_file(book_id, calibre_path, first_author, original_file
    author_dir = local_book.path.split('/')[0]
    title_dir = local_book.path.split('/')[1]

-    # Create new_author_dir from parameter or from database
-    # Create new title_dir from database and add id
-    new_author_dir = rename_all_authors(first_author, renamed_author, calibre_path, local_book)
-    if first_author:
-        if first_author.lower() in [r.lower() for r in renamed_author]:
-            if os.path.isdir(os.path.join(calibre_path, new_author_dir)):
-                path = os.path.join(calibre_path, new_author_dir, title_dir)
-
    new_title_dir = get_valid_filename(local_book.title, chars=96) + " (" + str(book_id) + ")"
+    if new_author:
+        new_author_dir = get_valid_filename(new_author, chars=96)
+    else:
+        new_author = new_author_dir = author_dir

    if title_dir != new_title_dir or author_dir != new_author_dir or original_filepath:
        error = move_files_on_change(calibre_path,
@@ -486,36 +466,39 @@ def update_dir_structure_file(book_id, calibre_path, first_author, original_file
                                     db_filename,
                                     original_filepath,
                                     path)
+        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 error:
            return error
-
-    # Rename all files from old names to new names
-    return rename_files_on_change(first_author, renamed_author, local_book, original_filepath, path, calibre_path)
+    return False


-def upload_new_file_gdrive(book_id, first_author, renamed_author, title, title_dir, original_filepath, filename_ext):
+def upload_new_file_gdrive(book_id, first_author, title, title_dir, original_filepath, filename_ext):
    book = calibre_db.get_book(book_id)
    file_name = get_valid_filename(title, chars=42) + ' - ' + \
        get_valid_filename(first_author, chars=42) + filename_ext
-    rename_all_authors(first_author, renamed_author, gdrive=True)
    gdrive_path = os.path.join(get_valid_filename(first_author, chars=96),
                               title_dir + " (" + str(book_id) + ")")
    book.path = gdrive_path.replace("\\", "/")
    gd.uploadFileToEbooksFolder(os.path.join(gdrive_path, file_name).replace("\\", "/"), original_filepath)
-    return rename_files_on_change(first_author, renamed_author, local_book=book, gdrive=True)
+    return False


-
-def update_dir_structure_gdrive(book_id, first_author, renamed_author):
+def update_dir_structure_gdrive(book_id, first_author):
    book = calibre_db.get_book(book_id)

    authordir = book.path.split('/')[0]
    titledir = book.path.split('/')[1]
-    new_authordir = rename_all_authors(first_author, renamed_author, gdrive=True)
+    # new_authordir = rename_all_authors(first_author, renamed_author, gdrive=True)
+    new_authordir = get_valid_filename(first_author, chars=96)
    new_titledir = get_valid_filename(book.title, chars=96) + " (" + str(book_id) + ")"

    if titledir != new_titledir:
-        g_file = gd.getFileFromEbooksFolder(os.path.dirname(book.path), titledir)
+        g_file = gd.getFileFromEbooksFolder(authordir, titledir)
        if g_file:
            gd.moveGdriveFileRemote(g_file, new_titledir)
            book.path = book.path.split('/')[0] + '/' + new_titledir
@@ -523,44 +506,53 @@ def update_dir_structure_gdrive(book_id, first_author, renamed_author):
        else:
            return _('File %(file)s not found on Google Drive', file=book.path)  # file not found

-    if authordir != new_authordir and authordir not in renamed_author:
-        g_file = gd.getFileFromEbooksFolder(os.path.dirname(book.path), new_titledir)
+    if authordir != new_authordir:
+        g_file = gd.getFileFromEbooksFolder(authordir, new_titledir)
        if g_file:
-            gd.moveGdriveFolderRemote(g_file, new_authordir)
+            gd.moveGdriveFolderRemote(g_file, new_authordir, single_book=True)
            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
-
-    # change location in database to new author/title path
-    book.path = os.path.join(new_authordir, new_titledir).replace('\\', '/')
-    return rename_files_on_change(first_author, renamed_author, book, gdrive=True)
+            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
+    return False


-def move_files_on_change(calibre_path, new_authordir, new_titledir, localbook, db_filename, original_filepath, path):
-    new_path = os.path.join(calibre_path, new_authordir, new_titledir)
-    new_name = get_valid_filename(localbook.title, chars=96) + ' - ' + new_authordir
+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)
    try:
        if original_filepath:
            if not os.path.isdir(new_path):
                os.makedirs(new_path)
-            shutil.move(os.path.normcase(original_filepath), os.path.normcase(os.path.join(new_path, db_filename)))
-            log.debug("Moving title: %s to %s/%s", original_filepath, new_path, new_name)
+            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
            if not os.path.exists(new_path):
                # move original path to new path
                log.debug("Moving title: %s to %s", path, new_path)
-                shutil.move(os.path.normcase(path), os.path.normcase(new_path))
+                shutil.move(path, new_path)
            else:  # path is valid copy only files to new location (merge)
                log.info("Moving title: %s into existing: %s", path, new_path)
                # Take all files and subfolder from old path (strange command)
                for dir_name, __, file_list in os.walk(path):
                    for file in file_list:
-                        shutil.move(os.path.normcase(os.path.join(dir_name, file)),
-                                    os.path.normcase(os.path.join(new_path + dir_name[len(path):], file)))
+                        shutil.move(os.path.join(dir_name, file), os.path.join(new_path + dir_name[len(path):], file))
+            if not os.listdir(os.path.split(path)[0]):
+                try:
+                    shutil.rmtree(os.path.split(path)[0])
+                except (IOError, OSError) as ex:
+                    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_authordir, new_titledir).replace('\\', '/')
+        localbook.path = os.path.join(new_author_dir, new_titledir).replace('\\', '/')
    except OSError 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",
@@ -576,15 +568,15 @@ def rename_files_on_change(first_author,
                           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)))
+    #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


@@ -595,7 +587,7 @@ def delete_book_gdrive(book, book_format):
        for entry in book.data:
            if entry.format.upper() == book_format:
                name = entry.name + '.' + book_format
-        g_file = gd.getFileFromEbooksFolder(book.path, name)
+        g_file = gd.getFileFromEbooksFolder(book.path, name, nocase=True)
    else:
        g_file = gd.getFileFromEbooksFolder(os.path.dirname(book.path), book.path.split('/')[1])
    if g_file:
@@ -623,6 +615,7 @@ def reset_password(user_id):
        ub.session.rollback()
        return 0, None

+
 def generate_random_password(min_length):
    min_length = max(8, min_length) - 4
    random_source = "abcdefghijklmnopqrstuvwxyz01234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%&*()?"
@@ -648,12 +641,6 @@ def generate_random_password(min_length):
    return ''.join(password)


-'''def generate_random_password(min_length):
-    s = "abcdefghijklmnopqrstuvwxyz01234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%&*()?"
-    passlen = min_length
-    return "".join(s[c % len(s)] for c in os.urandom(passlen))'''
-
-
 def uniq(inpt):
    output = []
    inpt = [" ".join(inp.split()) for inp in inpt]
@@ -672,23 +659,27 @@ def check_email(email):


 def check_username(username):
-    username = username.strip()
+    username = strip_whitespaces(username)
    if ub.session.query(ub.User).filter(func.lower(ub.User.name) == username.lower()).scalar():
        log.error("This username is already taken")
        raise Exception(_("This username is already taken"))
    return username


-def valid_email(email):
-    email = email.strip()
-    # if email is not deleted
-    if email:
-        # Regex according to https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/email#validation
-        if not re.search(r"^[\w.!#$%&'*+\\/=?^_`{|}~-]+@[\w](?:[\w-]{0,61}[\w])?(?:\.[\w](?:[\w-]{0,61}[\w])?)*$",
-                         email):
-            log.error("Invalid Email address format")
-            raise Exception(_("Invalid Email address format"))
-    return email
+def valid_email(emails):
+    valid_emails = []
+    for email in emails.split(','):
+        email = strip_whitespaces(email)
+        # if email is not deleted
+        if email:
+            # Regex according to https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/email#validation
+            if not re.search(r"^[\w.!#$%&'*+\\/=?^_`{|}~-]+@[\w](?:[\w-]{0,61}[\w])?(?:\.[\w](?:[\w-]{0,61}[\w])?)*$",
+                             email):
+                log.error("Invalid Email address format for {}".format(email))
+                raise Exception(_("Invalid Email address format"))
+            valid_emails.append(email)
+    return ",".join(valid_emails)
+

 def valid_password(check_password):
    if config.config_password_policy:
@@ -716,22 +707,20 @@ def update_dir_structure(book_id,
                         calibre_path,
                         first_author=None,     # change author of book to this author
                         original_filepath=None,
-                         db_filename=None,
-                         renamed_author=None):
-    renamed_author = renamed_author or []
+                         db_filename=None):
    if config.config_use_google_drive:
-        return update_dir_structure_gdrive(book_id, first_author, renamed_author)
+        return update_dir_structure_gdrive(book_id, first_author)
    else:
        return update_dir_structure_file(book_id,
                                         calibre_path,
-                                         first_author,
                                         original_filepath,
-                                         db_filename, renamed_author)
+                                         first_author,
+                                         db_filename)


 def delete_book(book, calibrepath, book_format):
    if not book_format:
-        clear_cover_thumbnail_cache(book.id) ## here it breaks
+        clear_cover_thumbnail_cache(book.id)  # here it breaks
        calibre_db.delete_dirty_metadata(book.id)
    if config.config_use_google_drive:
        return delete_book_gdrive(book, book_format)
@@ -776,9 +765,9 @@ def get_book_cover_internal(book, resolution=None):
            try:
                if not gd.is_gdrive_ready():
                    return get_cover_on_failure()
-                path = gd.get_cover_via_gdrive(book.path)
-                if path:
-                    return redirect(path)
+                cover_file = gd.get_cover_via_gdrive(book.path)
+                if cover_file:
+                    return Response(cover_file, mimetype='image/jpeg')
                else:
                    log.error('{}/cover.jpg not found on Google Drive'.format(book.path))
                    return get_cover_on_failure()
@@ -799,24 +788,23 @@ def get_book_cover_internal(book, resolution=None):

 def get_book_cover_thumbnail(book, resolution):
    if book and book.has_cover:
-        return ub.session \
-            .query(ub.Thumbnail) \
-            .filter(ub.Thumbnail.type == THUMBNAIL_TYPE_COVER) \
-            .filter(ub.Thumbnail.entity_id == book.id) \
-            .filter(ub.Thumbnail.resolution == resolution) \
-            .filter(or_(ub.Thumbnail.expiration.is_(None), ub.Thumbnail.expiration > datetime.utcnow())) \
-            .first()
+        return (ub.session
+                .query(ub.Thumbnail)
+                .filter(ub.Thumbnail.type == THUMBNAIL_TYPE_COVER)
+                .filter(ub.Thumbnail.entity_id == book.id)
+                .filter(ub.Thumbnail.resolution == resolution)
+                .filter(or_(ub.Thumbnail.expiration.is_(None), ub.Thumbnail.expiration > datetime.now(timezone.utc)))
+                .first())


 def get_series_thumbnail_on_failure(series_id, resolution):
-    book = calibre_db.session \
-        .query(db.Books) \
-        .join(db.books_series_link) \
-        .join(db.Series) \
-        .filter(db.Series.id == series_id) \
-        .filter(db.Books.has_cover == 1) \
-        .first()
-
+    book = (calibre_db.session
+        .query(db.Books)
+        .join(db.books_series_link)
+        .join(db.Series)
+        .filter(db.Series.id == series_id)
+        .filter(db.Books.has_cover == 1)
+        .first())
    return get_book_cover_internal(book, resolution=resolution)


@@ -838,13 +826,13 @@ def get_series_cover_internal(series_id, resolution=None):


 def get_series_thumbnail(series_id, resolution):
-    return ub.session \
-        .query(ub.Thumbnail) \
-        .filter(ub.Thumbnail.type == THUMBNAIL_TYPE_SERIES) \
-        .filter(ub.Thumbnail.entity_id == series_id) \
-        .filter(ub.Thumbnail.resolution == resolution) \
-        .filter(or_(ub.Thumbnail.expiration.is_(None), ub.Thumbnail.expiration > datetime.utcnow())) \
-        .first()
+    return (ub.session
+        .query(ub.Thumbnail)
+        .filter(ub.Thumbnail.type == THUMBNAIL_TYPE_SERIES)
+        .filter(ub.Thumbnail.entity_id == series_id)
+        .filter(ub.Thumbnail.resolution == resolution)
+        .filter(or_(ub.Thumbnail.expiration.is_(None), ub.Thumbnail.expiration > datetime.now(timezone.utc)))
+        .first())


 # saves book cover from url
@@ -853,7 +841,7 @@ 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")
@@ -884,7 +872,7 @@ def save_cover_from_filestorage(filepath, saved_filename, img):
            log.error("Failed to create path for cover")
            return False, _("Failed to create path for cover")
    try:
-        # upload of jgp file without wand
+        # upload of jpg file without wand
        if isinstance(img, requests.Response):
            with open(os.path.join(filepath, saved_filename), 'wb') as f:
                f.write(img.content)
@@ -943,13 +931,14 @@ def save_cover(img, book_path):

 def do_download_file(book, book_format, client, data, headers):
    book_name = data.name
+    download_name = filename = None
    if config.config_use_google_drive:
        # startTime = time.time()
-        df = gd.getFileFromEbooksFolder(book.path, book_name + "." + book_format)
+        df = gd.getFileFromEbooksFolder(book.path, data.name + "." + book_format)
        # log.debug('%s', time.time() - startTime)
        if df:
            if config.config_embed_metadata and (
-                 (book_format == "kepub" and config.config_kepubifypath ) or
+                 (book_format == "kepub" and config.config_kepubifypath) or
                 (book_format != "kepub" and config.config_binariesdir)):
                output_path = os.path.join(config.config_calibre_dir, book.path)
                if not os.path.exists(output_path):
@@ -977,7 +966,7 @@ def do_download_file(book, book_format, client, data, headers):
            filename, download_name = do_kepubify_metadata_replace(book, os.path.join(filename,
                                                                                      book_name + "." + book_format))
        elif book_format != "kepub" and config.config_binariesdir and config.config_embed_metadata:
-                filename, download_name = do_calibre_export(book.id, book_format)
+            filename, download_name = do_calibre_export(book.id, book_format)
        else:
            download_name = book_name

@@ -1013,14 +1002,14 @@ def check_unrar(unrar_location):
        return

    if not os.path.exists(unrar_location):
-        return _('Unrar binary file not found')
+        return _('UnRar binary file not found')

    try:
        unrar_location = [unrar_location]
        value = process_wait(unrar_location, pattern='UNRAR (.*) freeware')
        if value:
            version = value.group(1)
-            log.debug("unrar version %s", version)
+            log.debug("UnRar version %s", version)

    except (OSError, UnicodeDecodeError) as err:
        log.error_or_exception(err)
@@ -1052,11 +1041,11 @@ def check_calibre(calibre_location):
                return _('Calibre binaries not viable')
        else:
            ret_val = []
-            missing_binaries=[path for path, available in
-                              zip(SUPPORTED_CALIBRE_BINARIES.values(), binaries_available) if not available]
+            missing_binaries = [path for path, available in
+                               zip(SUPPORTED_CALIBRE_BINARIES.values(), binaries_available) if not available]

-            missing_perms=[path for path, available in
-                           zip(SUPPORTED_CALIBRE_BINARIES.values(), binaries_executable) if not available]
+            missing_perms = [path for path, available in
+                            zip(SUPPORTED_CALIBRE_BINARIES.values(), binaries_executable) if not available]
            if missing_binaries:
                ret_val.append(_('Missing calibre binaries: %(missing)s', missing=", ".join(missing_binaries)))
            if missing_perms:
@@ -1065,7 +1054,7 @@ def check_calibre(calibre_location):

    except (OSError, UnicodeDecodeError) as err:
        log.error_or_exception(err)
-        return _('Error excecuting Calibre')
+        return _('Error executing Calibre')


 def json_serial(obj):
@@ -15,24 +15,17 @@
 #
 #   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 sys

 from .iso_language_names import LANGUAGE_NAMES as _LANGUAGE_NAMES
 from . import logger
+from .string_helper import strip_whitespaces

 log = logger.create()


 try:
-    from iso639 import languages, __version__
-    get = languages.get
-except ImportError:
    from pycountry import languages as pyc_languages
-    try:
-        import pkg_resources
-        __version__ = pkg_resources.get_distribution('pycountry').version + ' (PyCountry)'
-        del pkg_resources
-    except (ImportError, Exception):
-        __version__ = "? (PyCountry)"

    def _copy_fields(l):
        l.part1 = getattr(l, 'alpha_2', None)
@@ -46,35 +39,48 @@ except ImportError:
            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):
-    return _LANGUAGE_NAMES.get(str(locale))
+    names = _LANGUAGE_NAMES.get(str(locale))
+    if names is None:
+        names = _LANGUAGE_NAMES.get(locale.language)
+    return names


 def get_language_name(locale, lang_code):
-    try:
-        return get_language_names(locale)[lang_code]
-    except KeyError:
-        log.error('Missing translation for language name: {}'.format(lang_code))
-        return "Unknown"
+    UNKNOWN_TRANSLATION = "Unknown"
+    names = get_language_names(locale)
+    if names is None:
+        log.error(f"Missing language names for locale: {str(locale)}/{locale.language}")
+        return UNKNOWN_TRANSLATION
+
+    name = names.get(lang_code, UNKNOWN_TRANSLATION)
+    if name == UNKNOWN_TRANSLATION:
+        log.error("Missing translation for language name: {}".format(lang_code))
+
+    return name


-def get_language_codes(locale, language_names, remainder=None):
-    language_names = set(x.strip().lower() for x in language_names if x)
+def get_language_code_from_name(locale, language_names, remainder=None):
+    language_names = set(strip_whitespaces(x).lower() for x in language_names if x)
    lang = list()
-    for k, v in get_language_names(locale).items():
-        v = v.lower()
-        if v in language_names:
-            lang.append(k)
-            language_names.remove(v)
+    for key, val in get_language_names(locale).items():
+        val = val.lower()
+        if val in language_names:
+            lang.append(key)
+            language_names.remove(val)
    if remainder is not None and language_names:
        remainder.extend(language_names)
    return lang


-
-def get_valid_language_codes(locale, language_names, remainder=None):
+def get_valid_language_codes_from_code(locale, language_names, remainder=None):
    lang = list()
    if "" in language_names:
        language_names.remove("")
@@ -95,6 +101,6 @@ def get_lang3(lang):
            ret_value = lang
        else:
            ret_value = ""
-    except KeyError:
+    except (KeyError, AttributeError):
        ret_value = lang
    return ret_value
@@ -8138,6 +8138,384 @@ 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",
@@ -27,10 +27,9 @@ import datetime
 import mimetypes
 from uuid import uuid4

-# from babel.dates import format_date
-from flask import Blueprint, request, url_for
+from flask import Blueprint, request, url_for, g
 from flask_babel import format_date
-from flask_login import current_user
+from .cw_login import current_user

 from . import constants, logger

@@ -44,8 +43,6 @@ def url_for_other_page(page):
    args = request.view_args.copy()
    args['page'] = page
    for get, val in request.args.items():
-        if get == "page":
-            continue
        args[get] = val
    return url_for(request.endpoint, **args)

@@ -114,11 +111,15 @@ def yesno(value, yes, no):

@jinjia.app_template_filter('formatfloat')
 def formatfloat(value, decimals=1):
-    value = 0 if not value else value
-    return ('{0:.' + str(decimals) + 'f}').format(value).rstrip('0').rstrip('.')
+    if not value:
+        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')
+'''@jinjia.app_template_filter('formatseriesindex')
 def formatseriesindex_filter(series_index):
    if series_index:
        try:
@@ -129,6 +130,7 @@ def formatseriesindex_filter(series_index):
        except (ValueError, TypeError):
            return series_index
    return 0
+'''


@jinjia.app_template_filter('escapedlink')
@@ -182,3 +184,12 @@ def get_cover_srcset(series):
        url = url_for('web.get_series_cover', series_id=series.id, resolution=shortname, c=cache_timestamp())
        srcset.append(f'{url} {resolution}x')
    return ', '.join(srcset)
+
+
+@jinjia.app_template_filter('music')
+def contains_music(book_formats):
+    result = False
+    for format in book_formats:
+        if format.format.lower() in g.constants.EXTENSIONS_AUDIO:
+            result = True
+    return result
@@ -18,7 +18,7 @@
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.

 import base64
-import datetime
+from datetime import datetime, timezone
 import os
 import uuid
 import zipfile
@@ -36,7 +36,7 @@ from flask import (
    redirect,
    abort
 )
-from flask_login import current_user
+from .cw_login import current_user
 from werkzeug.datastructures import Headers
 from sqlalchemy import func
 from sqlalchemy.sql.expression import and_, or_
@@ -44,11 +44,10 @@ 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 #, sqlalchemy_version2
+from .constants import COVER_THUMBNAIL_SMALL, COVER_THUMBNAIL_MEDIUM, COVER_THUMBNAIL_LARGE
 from .helper import get_download_link
 from .services import SyncToken as SyncToken
 from .web import download_required
@@ -132,7 +131,7 @@ def convert_to_kobo_timestamp_string(timestamp):
        return timestamp.strftime("%Y-%m-%dT%H:%M:%SZ")
    except AttributeError as exc:
        log.debug("Timestamp not valid: {}".format(exc))
-        return datetime.datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ")
+        return datetime.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")


@kobo.route("/v1/library/sync")
@@ -145,21 +144,21 @@ def HandleSyncRequest():
    sync_token = SyncToken.SyncToken.from_headers(request.headers)
    log.info("Kobo library sync request received")
    log.debug("SyncToken: {}".format(sync_token))
-    log.debug("Download link format {}".format(get_download_url_for_book('[bookid]','[bookformat]')))
+    log.debug("Download link format {}".format(get_download_url_for_book('[bookid]', '[bookformat]')))
    if not current_app.wsgi_app.is_proxied:
        log.debug('Kobo: Received unproxied request, changed request port to external server port')

    # if no books synced don't respect sync_token
    if not ub.session.query(ub.KoboSyncedBooks).filter(ub.KoboSyncedBooks.user_id == current_user.id).count():
-        sync_token.books_last_modified = datetime.datetime.min
-        sync_token.books_last_created = datetime.datetime.min
-        sync_token.reading_state_last_modified = datetime.datetime.min
+        sync_token.books_last_modified = datetime.min
+        sync_token.books_last_created = datetime.min
+        sync_token.reading_state_last_modified = datetime.min

    new_books_last_modified = sync_token.books_last_modified  # needed for sync selected shelfs only
    new_books_last_created = sync_token.books_last_created  # needed to distinguish between new and changed entitlement
    new_reading_state_last_modified = sync_token.reading_state_last_modified

-    new_archived_last_modified = datetime.datetime.min
+    new_archived_last_modified = datetime.min
    sync_results = []

    # We reload the book database so that the user gets a fresh view of the library
@@ -212,7 +211,7 @@ def HandleSyncRequest():

        kobo_reading_state = get_or_create_reading_state(book.Books.id)
        entitlement = {
-            "BookEntitlement": create_book_entitlement(book.Books, archived=(book.is_archived == True)),
+            "BookEntitlement": create_book_entitlement(book.Books, archived=(book.is_archived==True)),
            "BookMetadata": get_metadata(book.Books),
        }

@@ -376,7 +375,7 @@ def create_book_entitlement(book, archived):
    book_uuid = str(book.uuid)
    return {
        "Accessibility": "Full",
-        "ActivePeriod": {"From": convert_to_kobo_timestamp_string(datetime.datetime.utcnow())},
+        "ActivePeriod": {"From": convert_to_kobo_timestamp_string(datetime.now(timezone.utc))},
        "Created": convert_to_kobo_timestamp_string(book.timestamp),
        "CrossRevisionId": book_uuid,
        "Id": book_uuid,
@@ -424,7 +423,7 @@ 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):
@@ -487,14 +486,16 @@ 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


@@ -796,7 +797,7 @@ def HandleStateRequest(book_uuid):
                if new_book_read_status == ub.ReadBook.STATUS_IN_PROGRESS \
                        and new_book_read_status != book_read.read_status:
                    book_read.times_started_reading += 1
-                    book_read.last_time_started_reading = datetime.datetime.utcnow()
+                    book_read.last_time_started_reading = datetime.now(timezone.utc)
                book_read.read_status = new_book_read_status
                update_results_response["StatusInfoResult"] = {"Result": "Success"}
        except (KeyError, TypeError, ValueError, StatementError):
@@ -904,7 +905,12 @@ def get_current_bookmark_response(current_bookmark):
@requires_kobo_auth
 def HandleCoverImageRequest(book_uuid, width, height, Quality, isGreyscale):
    try:
-        resolution = None if int(height) > 1000 else COVER_THUMBNAIL_SMALL
+        if int(height) > 1000:
+            resolution = COVER_THUMBNAIL_LARGE
+        elif int(height) > 500:
+            resolution = COVER_THUMBNAIL_MEDIUM
+        else:
+            resolution = COVER_THUMBNAIL_SMALL
    except ValueError:
        log.error("Requested height %s of book %s is invalid" % (book_uuid, height))
        resolution = COVER_THUMBNAIL_SMALL
@@ -921,8 +927,8 @@ def HandleCoverImageRequest(book_uuid, width, height, Quality, isGreyscale):
    log.debug("Redirecting request for cover image of unknown book %s to Kobo" % book_uuid)
    return redirect(KOBO_IMAGEHOST_URL +
                    "/{book_uuid}/{width}/{height}/false/image.jpg".format(book_uuid=book_uuid,
-                                                                            width=width,
-                                                                            height=height), 307)
+                                                                           width=width,
+                                                                           height=height), 307)


@kobo.route("")
@@ -951,7 +957,8 @@ def HandleBookDeletionRequest(book_uuid):
@csrf.exempt
@kobo.route("/v1/library/<dummy>", methods=["DELETE", "GET"])
 def HandleUnimplementedRequest(dummy=None):
-    log.debug("Unimplemented Library Request received: %s (request is forwarded to kobo if configured)", request.base_url)
+    log.debug("Unimplemented Library Request received: %s (request is forwarded to kobo if configured)",
+              request.base_url)
    return redirect_or_proxy_request()


@@ -1004,7 +1011,8 @@ def handle_getests():
@kobo.route("/v1/affiliate", methods=["GET", "POST"])
@kobo.route("/v1/deals", methods=["GET", "POST"])
 def HandleProductsRequest(dummy=None):
-    log.debug("Unimplemented Products Request received: %s (request is forwarded to kobo if configured)", request.base_url)
+    log.debug("Unimplemented Products Request received: %s (request is forwarded to kobo if configured)",
+              request.base_url)
    return redirect_or_proxy_request()


@@ -1021,7 +1029,7 @@ def make_calibre_web_auth_response():
                "RefreshToken": RefreshToken,
                "TokenType": "Bearer",
                "TrackingId": str(uuid.uuid4()),
-                "UserKey": content.get('UserKey',""),
+                "UserKey": content.get('UserKey', ""),
            }
        )
    )
@@ -65,12 +65,14 @@ from os import urandom
 from functools import wraps

 from flask import g, Blueprint, abort, request
-from flask_login import login_user, current_user, login_required
+from .cw_login import login_user, current_user
 from flask_babel import gettext as _
 from flask_limiter import RateLimitExceeded

 from . import logger, config, calibre_db, db, helper, ub, lm, limiter
 from .render_template import render_title_template
+from .usermanagement import user_login_required
+

 log = logger.create()

@@ -78,7 +80,7 @@ kobo_auth = Blueprint("kobo_auth", __name__, url_prefix="/kobo_auth")


@kobo_auth.route("/generate_auth_token/<int:user_id>")
-@login_required
+@user_login_required
 def generate_auth_token(user_id):
    warning = False
    host_list = request.host.rsplit(':')
@@ -115,12 +117,12 @@ def generate_auth_token(user_id):
        "generate_kobo_auth_url.html",
        title=_("Kobo Setup"),
        auth_token=auth_token.auth_token,
-        warning = warning
+        warning=warning
    )


@kobo_auth.route("/deleteauthtoken/<int:user_id>", methods=["POST"])
-@login_required
+@user_login_required
 def delete_auth_token(user_id):
    # Invalidate any previously generated Kobo Auth token for this user
    ub.session.query(ub.RemoteAuthToken).filter(ub.RemoteAuthToken.user_id == user_id)\
@@ -17,11 +17,12 @@
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.


-from flask_login import current_user
+from .cw_login import current_user
 from . import ub
-import datetime
+from datetime import datetime, timezone
 from sqlalchemy.sql.expression import or_, and_, true
-from sqlalchemy import exc
+# from sqlalchemy import exc
+

 # Add the current book id to kobo_synced_books table for current user, if entry is already present,
 # do nothing (safety precaution)
@@ -50,7 +51,6 @@ def remove_synced_book(book_id, all=False, session=None):
        ub.session_commit(_session=session)


-
 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()
@@ -58,7 +58,7 @@ def change_archived_books(book_id, state=None, message=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.last_modified = datetime.datetime.utcnow()        # toDo. Check utc timestamp
+    archived_book.last_modified = datetime.now(timezone.utc)        # toDo. Check utc timestamp

    ub.session.merge(archived_book)
    ub.session_commit(message)
@@ -71,7 +71,7 @@ def update_on_sync_shelfs(user_id):
    books_to_archive = (ub.session.query(ub.KoboSyncedBooks)
                        .join(ub.BookShelf, ub.KoboSyncedBooks.book_id == ub.BookShelf.book_id, isouter=True)
                        .join(ub.Shelf, ub.Shelf.user_id == user_id, isouter=True)
-                        .filter(or_(ub.Shelf.kobo_sync == 0, ub.Shelf.kobo_sync == None))
+                        .filter(or_(ub.Shelf.kobo_sync == 0, ub.Shelf.kobo_sync==None))
                        .filter(ub.KoboSyncedBooks.user_id == user_id).all())
    for b in books_to_archive:
        change_archived_books(b.book_id, True)
@@ -43,13 +43,14 @@ logging.addLevelName(logging.CRITICAL, "CRIT")
 class _Logger(logging.Logger):

    def error_or_exception(self, message, stacklevel=2, *args, **kwargs):
+        is_debug = self.getEffectiveLevel() <= logging.DEBUG
        if sys.version_info > (3, 7):
-            if is_debug_enabled():
+            if is_debug:
                self.exception(message, stacklevel=stacklevel, *args, **kwargs)
            else:
                self.error(message, stacklevel=stacklevel, *args, **kwargs)
        else:
-            if is_debug_enabled():
+            if is_debug:
                self.exception(message, stack_info=True, *args, **kwargs)
            else:
                self.error(message, *args, **kwargs)
@@ -20,18 +20,17 @@ import sys

 from . import create_app, limiter
 from .jinjia import jinjia
-from .remotelogin import remotelogin
 from flask import request


 def request_username():
    return request.authorization.username

+
 def main():
    app = create_app()

    from .web import web
-    from .basic import basic
    from .opds import opds
    from .admin import admi
    from .gdrive import gdrive
@@ -42,6 +41,7 @@ def main():
    from .shelf import shelf
    from .tasks_status import tasks
    from .error_handler import init_errorhandler
+    from .remotelogin import remotelogin
    try:
        from .kobo import kobo, get_kobo_activated
        from .kobo_auth import kobo_auth
@@ -49,12 +49,14 @@ def main():
        kobo_available = get_kobo_activated()
    except (ImportError, AttributeError):  # Catch also error for not installed flask-WTF (missing csrf decorator)
        kobo_available = False
+        kobo = kobo_auth = get_remote_address = None

    try:
        from .oauth_bb import oauth
        oauth_available = True
    except ImportError:
        oauth_available = False
+        oauth = None

    from . import web_server
    init_errorhandler()
@@ -62,9 +64,8 @@ def main():
    app.register_blueprint(search)
    app.register_blueprint(tasks)
    app.register_blueprint(web)
-    app.register_blueprint(basic)
    app.register_blueprint(opds)
-    limiter.limit("3/minute",key_func=request_username)(opds)
+    limiter.limit("3/minute", key_func=request_username)(opds)
    app.register_blueprint(jinjia)
    app.register_blueprint(about)
    app.register_blueprint(shelf)
@@ -25,7 +25,7 @@ try:
    import cchardet #optional for better speed
 except ImportError:
    pass
-from cps import logger
+
 from cps.services.Metadata import MetaRecord, MetaSourceInfo, Metadata
 import cps.logger as logger

@@ -33,21 +33,21 @@ import cps.logger as logger
 from operator import itemgetter
 log = logger.create()

-log = logger.create()
-

 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
@@ -55,7 +55,6 @@ class Amazon(Metadata):
    def search(
        self, query: str, generic_cover: str = "", locale: str = "en"
    ) -> Optional[List[MetaRecord]]:
-        #timer=time()
        def inner(link, index) -> [dict, int]:
            with self.session as session:
                try:
@@ -63,11 +62,11 @@ class Amazon(Metadata):
                    r.raise_for_status()
                except Exception as ex:
                    log.warning(ex)
-                    return None
+                    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 None
+                    return []
                try:
                    match = MetaRecord(
                        title = "",
@@ -90,7 +89,7 @@ class Amazon(Metadata):
                            soup2.find("div", attrs={"data-feature-name": "bookDescription"}).stripped_strings)\
                                                .replace("\xa0"," ")[:-9].strip().strip("\n")
                    except (AttributeError, TypeError):
-                        return None  # if there is no description it is not a book and therefore should be ignored
+                        return []  # if there is no description it is not a book and therefore should be ignored
                    try:
                        match.title = soup2.find("span", attrs={"id": "productTitle"}).text
                    except (AttributeError, TypeError):
@@ -109,13 +108,13 @@ 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
                except Exception as e:
                    log.error_or_exception(e)
-                    return None
+                    return []

        val = list()
        if self.active:
@@ -135,7 +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])}
-                val = list(map(lambda x : x.result() ,concurrent.futures.as_completed(fut)))
+                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
@@ -217,7 +217,8 @@ class Douban(Metadata):

        return match

-    def _clean_date(self, date: str) -> str:
+    @staticmethod
+    def _clean_date(date: str) -> str:
        """
        Clean up the date string to be in the format YYYY-MM-DD

@@ -54,7 +54,7 @@ class Google(Metadata):
                results.raise_for_status()
            except Exception as e:
                log.warning(e)
-                return None
+                return []
            for result in results.json().get("items", []):
                val.append(
                    self._parse_search_result(
@@ -97,12 +97,14 @@ class LubimyCzytac(Metadata):
    LANGUAGES = f"{CONTAINER}//dt[contains(text(),'Język:')]{SIBLINGS}/text()"
    DESCRIPTION = f"{CONTAINER}//div[@class='collapse-content']"
    SERIES = f"{CONTAINER}//span/a[contains(@href,'/cykl/')]/text()"
+    TRANSLATOR = f"{CONTAINER}//dt[contains(text(),'Tłumacz:')]{SIBLINGS}/a/text()"

    DETAILS = "//div[@id='book-details']"
    PUBLISH_DATE = "//dt[contains(@title,'Data pierwszego wydania"
    FIRST_PUBLISH_DATE = f"{DETAILS}{PUBLISH_DATE} oryginalnego')]{SIBLINGS}[1]/text()"
    FIRST_PUBLISH_DATE_PL = f"{DETAILS}{PUBLISH_DATE} polskiego')]{SIBLINGS}[1]/text()"
-    TAGS = "//nav[@aria-label='breadcrumbs']//a[contains(@href,'/ksiazki/k/')]/span/text()"
+    TAGS = "//a[contains(@href,'/ksiazki/t/')]/text()"  # "//nav[@aria-label='breadcrumbs']//a[contains(@href,'/ksiazki/k/')]/span/text()"
+

    RATING = "//meta[@property='books:rating:value']/@content"
    COVER = "//meta[@property='og:image']/@content"
@@ -135,7 +137,7 @@ class LubimyCzytac(Metadata):

    def _prepare_query(self, title: str) -> str:
        query = ""
-        characters_to_remove = "\?()\/"
+        characters_to_remove = r"\?()\/"
        pattern = "[" + characters_to_remove + "]"
        title = re.sub(pattern, "", title)
        title = title.replace("_", " ")
@@ -158,6 +160,7 @@ class LubimyCzytac(Metadata):

 class LubimyCzytacParser:
    PAGES_TEMPLATE = "<p id='strony'>Książka ma {0} stron(y).</p>"
+    TRANSLATOR_TEMPLATE = "<p id='translator'>Tłumacz: {0}</p>"
    PUBLISH_DATE_TEMPLATE = "<p id='pierwsze_wydanie'>Data pierwszego wydania: {0}</p>"
    PUBLISH_DATE_PL_TEMPLATE = (
        "<p id='pierwsze_wydanie'>Data pierwszego wydania w Polsce: {0}</p>"
@@ -282,11 +285,13 @@ class LubimyCzytacParser:

    def _parse_tags(self) -> List[str]:
        tags = self._parse_xpath_node(xpath=LubimyCzytac.TAGS, take_first=False)
-        return [
-            strip_accents(w.replace(", itd.", " itd."))
-            for w in tags
-            if isinstance(w, str)
-        ]
+        if tags:
+            return [
+                strip_accents(w.replace(", itd.", " itd."))
+                for w in tags
+                if isinstance(w, str)
+            ]
+        return None

    def _parse_from_summary(self, attribute_name: str) -> Optional[str]:
        value = None
@@ -346,5 +351,9 @@ class LubimyCzytacParser:
            description += LubimyCzytacParser.PUBLISH_DATE_PL_TEMPLATE.format(
                first_publish_date_pl.strftime("%d.%m.%Y")
            )
+        translator = self._parse_xpath_node(xpath=LubimyCzytac.TRANSLATOR)
+        if translator:
+            description += LubimyCzytacParser.TRANSLATOR_TEMPLATE.format(translator)
+

        return description
@@ -30,8 +30,9 @@ from flask_dance.consumer import oauth_authorized, oauth_error
 from flask_dance.contrib.github import make_github_blueprint, github
 from flask_dance.contrib.google import make_google_blueprint, google
 from oauthlib.oauth2 import TokenExpiredError, InvalidGrantError
-from flask_login import login_user, current_user, login_required
+from .cw_login import login_user, current_user
 from sqlalchemy.orm.exc import NoResultFound
+from .usermanagement import user_login_required

 from . import constants, logger, config, app, ub

@@ -135,7 +136,7 @@ def bind_oauth_or_register(provider_id, provider_user_id, redirect_url, provider
        if oauth_entry.user:
            login_user(oauth_entry.user)
            log.debug("You are now logged in as: '%s'", oauth_entry.user.name)
-            flash(_("Success! You are now logged in as: %(nickname)s", nickname= oauth_entry.user.name),
+            flash(_("Success! You are now logged in as: %(nickname)s", nickname=oauth_entry.user.name),
                  category="success")
            return redirect(url_for('web.index'))
        else:
@@ -205,6 +206,7 @@ def unlink_oauth(provider):
        flash(_("Not Linked to %(oauth)s", oauth=provider), category="error")
    return redirect(url_for('web.profile'))

+
 def generate_oauth_blueprints():
    if not ub.session.query(ub.OAuthProvider).count():
        for provider in ("github", "google"):
@@ -291,6 +293,7 @@ if ub.oauth_support:
        return oauth_update_token(str(oauthblueprints[1]['id']), token, google_user_id)


+
    # notify on OAuth provider error
    @oauth_error.connect_via(oauthblueprints[0]['blueprint'])
    def github_error(blueprint, error, error_description=None, error_uri=None):
@@ -338,7 +341,7 @@ def github_login():


@oauth.route('/unlink/github', methods=["GET"])
-@login_required
+@user_login_required
 def github_login_unlink():
    return unlink_oauth(oauthblueprints[0]['id'])

@@ -362,6 +365,6 @@ def google_login():


@oauth.route('/unlink/google', methods=["GET"])
-@login_required
+@user_login_required
 def google_login_unlink():
    return unlink_oauth(oauthblueprints[1]['id'])
@@ -24,15 +24,16 @@ import datetime
 import json
 from urllib.parse import unquote_plus

-from flask import Blueprint, request, render_template, make_response, abort, Response
-from flask_login import current_user
+from flask import Blueprint, request, render_template, make_response, abort, Response, g
 from flask_babel import get_locale
 from flask_babel import gettext as _
+
+
 from sqlalchemy.sql.expression import func, text, or_, and_, true
 from sqlalchemy.exc import InvalidRequestError, OperationalError

-from . import logger, config, db, calibre_db, ub, isoLanguages
-from .usermanagement import requires_basic_auth_if_no_ano
+from . import logger, config, db, calibre_db, ub, isoLanguages, constants
+from .usermanagement import requires_basic_auth_if_no_ano, auth
 from .helper import get_download_link, get_book_cover
 from .pagination import Pagination
 from .web import render_read_books
@@ -94,6 +95,8 @@ def feed_letter_books(book_id):
@opds.route("/opds/new")
@requires_basic_auth_if_no_ano
 def feed_new():
+    if not auth.current_user().check_visibility(constants.SIDEBAR_RECENT):
+        abort(404)
    off = request.args.get("offset") or 0
    entries, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1), 0,
                                                        db.Books, True, [db.Books.timestamp.desc()],
@@ -104,6 +107,8 @@ def feed_new():
@opds.route("/opds/discover")
@requires_basic_auth_if_no_ano
 def feed_discover():
+    if not auth.current_user().check_visibility(constants.SIDEBAR_RANDOM):
+        abort(404)
    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))
@@ -113,6 +118,8 @@ def feed_discover():
@opds.route("/opds/rated")
@requires_basic_auth_if_no_ano
 def feed_best_rated():
+    if not auth.current_user().check_visibility(constants.SIDEBAR_BEST_RATED):
+        abort(404)
    off = request.args.get("offset") or 0
    entries, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1), 0,
                                                        db.Books, db.Books.ratings.any(db.Ratings.rating > 9),
@@ -124,6 +131,8 @@ def feed_best_rated():
@opds.route("/opds/hot")
@requires_basic_auth_if_no_ano
 def feed_hot():
+    if not auth.current_user().check_visibility(constants.SIDEBAR_HOT):
+        abort(404)
    off = request.args.get("offset") or 0
    all_books = ub.session.query(ub.Downloads, func.count(ub.Downloads.book_id)).order_by(
        func.count(ub.Downloads.book_id).desc()).group_by(ub.Downloads.book_id)
@@ -146,12 +155,16 @@ def feed_hot():
@opds.route("/opds/author")
@requires_basic_auth_if_no_ano
 def feed_authorindex():
+    if not auth.current_user().check_visibility(constants.SIDEBAR_AUTHOR):
+        abort(404)
    return render_element_index(db.Authors.sort, db.books_authors_link, 'opds.feed_letter_author')


@opds.route("/opds/author/letter/<book_id>")
@requires_basic_auth_if_no_ano
 def feed_letter_author(book_id):
+    if not auth.current_user().check_visibility(constants.SIDEBAR_AUTHOR):
+        abort(404)
    off = request.args.get("offset") or 0
    letter = true() if book_id == "00" else func.upper(db.Authors.sort).startswith(book_id)
    entries = calibre_db.session.query(db.Authors).join(db.books_authors_link).join(db.Books)\
@@ -173,6 +186,8 @@ def feed_author(book_id):
@opds.route("/opds/publisher")
@requires_basic_auth_if_no_ano
 def feed_publisherindex():
+    if not auth.current_user().check_visibility(constants.SIDEBAR_PUBLISHER):
+        abort(404)
    off = request.args.get("offset") or 0
    entries = calibre_db.session.query(db.Publishers)\
        .join(db.books_publishers_link)\
@@ -194,12 +209,16 @@ def feed_publisher(book_id):
@opds.route("/opds/category")
@requires_basic_auth_if_no_ano
 def feed_categoryindex():
+    if not auth.current_user().check_visibility(constants.SIDEBAR_CATEGORY):
+        abort(404)
    return render_element_index(db.Tags.name, db.books_tags_link, 'opds.feed_letter_category')


@opds.route("/opds/category/letter/<book_id>")
@requires_basic_auth_if_no_ano
 def feed_letter_category(book_id):
+    if not auth.current_user().check_visibility(constants.SIDEBAR_CATEGORY):
+        abort(404)
    off = request.args.get("offset") or 0
    letter = true() if book_id == "00" else func.upper(db.Tags.name).startswith(book_id)
    entries = calibre_db.session.query(db.Tags)\
@@ -223,12 +242,16 @@ def feed_category(book_id):
@opds.route("/opds/series")
@requires_basic_auth_if_no_ano
 def feed_seriesindex():
+    if not auth.current_user().check_visibility(constants.SIDEBAR_SERIES):
+        abort(404)
    return render_element_index(db.Series.sort, db.books_series_link, 'opds.feed_letter_series')


@opds.route("/opds/series/letter/<book_id>")
@requires_basic_auth_if_no_ano
 def feed_letter_series(book_id):
+    if not auth.current_user().check_visibility(constants.SIDEBAR_SERIES):
+        abort(404)
    off = request.args.get("offset") or 0
    letter = true() if book_id == "00" else func.upper(db.Series.sort).startswith(book_id)
    entries = calibre_db.session.query(db.Series)\
@@ -258,6 +281,8 @@ def feed_series(book_id):
@opds.route("/opds/ratings")
@requires_basic_auth_if_no_ano
 def feed_ratingindex():
+    if not auth.current_user().check_visibility(constants.SIDEBAR_RATING):
+        abort(404)
    off = request.args.get("offset") or 0
    entries = calibre_db.session.query(db.Ratings, func.count('books_ratings_link.book').label('count'),
                                       (db.Ratings.rating / 2).label('name')) \
@@ -284,6 +309,8 @@ def feed_ratings(book_id):
@opds.route("/opds/formats")
@requires_basic_auth_if_no_ano
 def feed_formatindex():
+    if not auth.current_user().check_visibility(constants.SIDEBAR_FORMAT):
+        abort(404)
    off = request.args.get("offset") or 0
    entries = calibre_db.session.query(db.Data).join(db.Books)\
        .filter(calibre_db.common_filters()) \
@@ -291,7 +318,6 @@ def feed_formatindex():
        .order_by(db.Data.format).all()
    pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
                            len(entries))
-
    element = list()
    for entry in entries:
        element.append(FeedObject(entry.format, entry.format))
@@ -314,12 +340,14 @@ def feed_format(book_id):
@opds.route("/opds/language/")
@requires_basic_auth_if_no_ano
 def feed_languagesindex():
+    if not auth.current_user().check_visibility(constants.SIDEBAR_LANGUAGE):
+        abort(404)
    off = request.args.get("offset") or 0
-    if current_user.filter_language() == "all":
+    if auth.current_user().filter_language() == "all":
        languages = calibre_db.speaking_language()
    else:
        languages = calibre_db.session.query(db.Languages).filter(
-            db.Languages.lang_code == current_user.filter_language()).all()
+            db.Languages.lang_code == auth.current_user().filter_language()).all()
        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))
@@ -341,9 +369,11 @@ def feed_languages(book_id):
@opds.route("/opds/shelfindex")
@requires_basic_auth_if_no_ano
 def feed_shelfindex():
+    if not (auth.current_user().is_authenticated or g.allow_anonymous):
+        abort(404)
    off = request.args.get("offset") or 0
    shelf = 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()
+        or_(ub.Shelf.is_public == 1, ub.Shelf.user_id == auth.current_user().id)).order_by(ub.Shelf.name).all()
    number = len(shelf)
    pagination = Pagination((int(off) / (int(config.config_books_per_page)) + 1), config.config_books_per_page,
                            number)
@@ -353,16 +383,19 @@ def feed_shelfindex():
@opds.route("/opds/shelf/<int:book_id>")
@requires_basic_auth_if_no_ano
 def feed_shelf(book_id):
+    if not (auth.current_user().is_authenticated or g.allow_anonymous):
+        abort(404)
    off = request.args.get("offset") or 0
-    if current_user.is_anonymous:
+    if auth.current_user().is_anonymous:
        shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.is_public == 1,
                                                  ub.Shelf.id == book_id).first()
    else:
-        shelf = ub.session.query(ub.Shelf).filter(or_(and_(ub.Shelf.user_id == int(current_user.id),
+        shelf = ub.session.query(ub.Shelf).filter(or_(and_(ub.Shelf.user_id == int(auth.current_user().id),
                                                           ub.Shelf.id == book_id),
                                                      and_(ub.Shelf.is_public == 1,
                                                           ub.Shelf.id == book_id))).first()
    result = list()
+    pagination = list()
    # user is allowed to access shelf
    if shelf:
        result, __, pagination = calibre_db.fill_indexpage((int(off) / (int(config.config_books_per_page)) + 1),
@@ -390,12 +423,9 @@ def feed_shelf(book_id):
@opds.route("/opds/download/<book_id>/<book_format>/")
@requires_basic_auth_if_no_ano
 def opds_download_link(book_id, book_format):
-    if not current_user.role_download():
-        return abort(403)
-    if "Kobo" in request.headers.get('User-Agent'):
-        client = "kobo"
-    else:
-        client = ""
+    if not auth.current_user().role_download():
+        return abort(401)
+    client = "kobo" if "Kobo" in request.headers.get('User-Agent') else ""
    return get_download_link(book_id, book_format.lower(), client)


@@ -436,6 +466,8 @@ def feed_get_cover(book_id):
@opds.route("/opds/readbooks")
@requires_basic_auth_if_no_ano
 def feed_read_books():
+    if not (auth.current_user().check_visibility(constants.SIDEBAR_READ_AND_UNREAD) and not auth.current_user().is_anonymous):
+        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)
@@ -444,6 +476,8 @@ def feed_read_books():
@opds.route("/opds/unreadbooks")
@requires_basic_auth_if_no_ano
 def feed_unread_books():
+    if not (auth.current_user().check_visibility(constants.SIDEBAR_READ_AND_UNREAD) and not auth.current_user().is_anonymous):
+        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)
@@ -477,7 +511,7 @@ def feed_search(term):
 def render_xml_template(*args, **kwargs):
    # ToDo: return time in current timezone similar to %z
    currtime = datetime.datetime.now().strftime("%Y-%m-%dT%H:%M:%S+00:00")
-    xml = render_template(current_time=currtime, instance=config.config_calibre_web_title, *args, **kwargs)
+    xml = render_template(current_time=currtime, instance=config.config_calibre_web_title, constants=constants.sidebar_settings, *args, **kwargs)
    response = make_response(xml)
    response.headers["Content-Type"] = "application/atom+xml; charset=utf-8"
    return response
@@ -25,12 +25,13 @@ from datetime import datetime
 from functools import wraps

 from flask import Blueprint, request, make_response, abort, url_for, flash, redirect
-from flask_login import login_required, current_user, login_user
+from .cw_login import login_user, current_user
 from flask_babel import gettext as _
 from sqlalchemy.sql.expression import true

 from . import config, logger, ub
 from .render_template import render_title_template
+from .usermanagement import user_login_required


 remotelogin = Blueprint('remotelogin', __name__)
@@ -65,7 +66,7 @@ def remote_login():

@remotelogin.route('/verify/<token>')
@remote_login_required
-@login_required
+@user_login_required
 def verify_token(token):
    auth_token = ub.session.query(ub.RemoteAuthToken).filter(ub.RemoteAuthToken.auth_token == token).first()

@@ -19,14 +19,13 @@
 from flask import render_template, g, abort, request
 from flask_babel import gettext as _
 from werkzeug.local import LocalProxy
-from flask_login import current_user
+from .cw_login import current_user
 from sqlalchemy.sql.expression import or_

 from . import config, constants, logger, ub
 from .ub import User


-
 log = logger.create()

 def get_sidebar_config(kwargs=None):
@@ -112,7 +111,7 @@ def render_title_template(*args, **kwargs):
    sidebar, simple = get_sidebar_config(kwargs)
    try:
        return render_template(instance=config.config_calibre_web_title, sidebar=sidebar, simple=simple,
-                               accept=constants.EXTENSIONS_UPLOAD,
+                               accept=config.config_upload_formats.split(','),
                               *args, **kwargs)
    except PermissionError:
        log.error("No permission to access {} file.".format(args[0]))
@@ -21,7 +21,7 @@ import datetime
 from . import config, constants
 from .services.background_scheduler import BackgroundScheduler, CronTrigger, use_APScheduler
 from .tasks.database import TaskReconnectDatabase
-from .tasks.tempFolder import TaskDeleteTempFolder
+from .tasks.clean import TaskClean
 from .tasks.thumbnail import TaskGenerateCoverThumbnails, TaskGenerateSeriesThumbnails, TaskClearCoverThumbnailCache
 from .services.worker import WorkerThread
 from .tasks.metadata_backup import TaskBackupMetadata
@@ -33,7 +33,7 @@ def get_scheduled_tasks(reconnect=True):
        tasks.append([lambda: TaskReconnectDatabase(), 'reconnect', False])

    # Delete temp folder
-    tasks.append([lambda: TaskDeleteTempFolder(), 'delete temp', True])
+    tasks.append([lambda: TaskClean(), 'delete temp', True])

    # Generate metadata.opf file for each changed book
    if config.schedule_metadata_backup:
@@ -69,9 +69,12 @@ def register_scheduled_tasks(reconnect=True):
        duration = config.schedule_duration

        # Register scheduled tasks
-        scheduler.schedule_tasks(tasks=get_scheduled_tasks(reconnect), trigger=CronTrigger(hour=start))
+        timezone_info = datetime.datetime.now(datetime.timezone.utc).astimezone().tzinfo
+        scheduler.schedule_tasks(tasks=get_scheduled_tasks(reconnect), trigger=CronTrigger(hour=start,
+                                                                                           timezone=timezone_info))
        end_time = calclulate_end_time(start, duration)
-        scheduler.schedule(func=end_scheduled_tasks, trigger=CronTrigger(hour=end_time.hour, minute=end_time.minute),
+        scheduler.schedule(func=end_scheduled_tasks, trigger=CronTrigger(hour=end_time.hour, minute=end_time.minute,
+                                                                         timezone=timezone_info),
                           name="end scheduled task")

        # Kick-off tasks, if they should currently be running
@@ -91,7 +94,7 @@ def register_startup_tasks():
        if constants.APP_MODE in ['development', 'test'] and not should_task_be_running(start, duration):
            scheduler.schedule_tasks_immediately(tasks=get_scheduled_tasks(False))
        else:
-            scheduler.schedule_tasks_immediately(tasks=[[lambda: TaskDeleteTempFolder(), 'delete temp', True]])
+            scheduler.schedule_tasks_immediately(tasks=[[lambda: TaskClean(), 'delete temp', True]])


 def should_task_be_running(start, duration):
@@ -19,17 +19,19 @@ from datetime import datetime

 from flask import Blueprint, request, redirect, url_for, flash
 from flask import session as flask_session
-from flask_login import current_user
+from .cw_login import current_user
 from flask_babel import format_date
 from flask_babel import gettext as _
 from sqlalchemy.sql.expression import func, not_, and_, or_, text, true
 from sqlalchemy.sql.functions import coalesce

 from . import logger, db, calibre_db, config, ub
+from .string_helper import strip_whitespaces
 from .usermanagement import login_required_if_no_ano
 from .render_template import render_title_template
 from .pagination import Pagination

+
 search = Blueprint('search', __name__)

 log = logger.create()
@@ -80,16 +82,27 @@ def adv_search_custom_columns(cc, term, q):
            if custom_end:
                q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
                    func.datetime(db.cc_classes[c.id].value) <= func.datetime(custom_end)))
+        elif c.datatype in ["int", "float"]:
+            custom_low = term.get('custom_column_' + str(c.id) + '_low')
+            custom_high = term.get('custom_column_' + str(c.id) + '_high')
+            if custom_low:
+                q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
+                    db.cc_classes[c.id].value >= custom_low))
+            if custom_high:
+                q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
+                    db.cc_classes[c.id].value <= custom_high))
        else:
            custom_query = term.get('custom_column_' + str(c.id))
-            if custom_query != '' and custom_query is not None:
-                if c.datatype == 'bool':
-                    q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
-                        db.cc_classes[c.id].value == (custom_query == "True")))
-                elif c.datatype == 'int' or c.datatype == 'float':
-                    q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
-                        db.cc_classes[c.id].value == custom_query))
-                elif c.datatype == 'rating':
+            if c.datatype == 'bool':
+                if custom_query != "Any":
+                    if custom_query == "":
+                        q = q.filter(~getattr(db.Books, 'custom_column_' + str(c.id)).
+                                     any(db.cc_classes[c.id].value >= 0))
+                    else:
+                        q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
+                            db.cc_classes[c.id].value == bool(custom_query == "True")))
+            elif custom_query != '' and custom_query is not None:
+                if c.datatype == 'rating':
                    q = q.filter(getattr(db.Books, 'custom_column_' + str(c.id)).any(
                        db.cc_classes[c.id].value == int(float(custom_query) * 2)))
                else:
@@ -128,10 +141,10 @@ def adv_search_read_status(read_status):
            db_filter = coalesce(ub.ReadBook.read_status, 0) != ub.ReadBook.STATUS_FINISHED
    else:
        try:
-            if read_status == "True":
-                db_filter = db.cc_classes[config.config_read_column].value == True
+            if read_status == "":
+                db_filter = coalesce(db.cc_classes[config.config_read_column].value, 2) == 2
            else:
-                db_filter = coalesce(db.cc_classes[config.config_read_column].value, False) != True
+                db_filter = db.cc_classes[config.config_read_column].value == bool(read_status == "True")
        except (KeyError, AttributeError, IndexError):
            log.error("Custom Column No.{} does not exist in calibre database".format(config.config_read_column))
            flash(_("Custom Column No.%(column)d does not exist in calibre database",
@@ -231,7 +244,8 @@ def render_adv_search_results(term, offset=None, order=None, limit=None):
    pagination = None

    cc = calibre_db.get_cc_columns(config, filter_config_custom_read=True)
-    calibre_db.session.connection().connection.connection.create_function("lower", 1, db.lcase)
+    calibre_db.create_functions()
+    # calibre_db.session.connection().connection.connection.create_function("lower", 1, db.lcase)
    query = calibre_db.generate_linked_query(config.config_read_column, db.Books)
    q = query.outerjoin(db.books_series_link, db.Books.id == db.books_series_link.c.book)\
        .outerjoin(db.Series)\
@@ -244,21 +258,21 @@ def render_adv_search_results(term, offset=None, order=None, limit=None):
        tags['include_' + element] = term.get('include_' + element)
        tags['exclude_' + element] = term.get('exclude_' + element)

-    author_name = term.get("author_name")
-    book_title = term.get("book_title")
+    author_name = term.get("authors")
+    book_title = term.get("title")
    publisher = term.get("publisher")
    pub_start = term.get("publishstart")
    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 = author_name.strip().lower().replace(',', '|')
+        author_name = strip_whitespaces(author_name).lower().replace(',', '|')
    if book_title:
-        book_title = book_title.strip().lower()
+        book_title = strip_whitespaces(book_title).lower()
    if publisher:
-        publisher = publisher.strip().lower()
+        publisher = strip_whitespaces(publisher).lower()

    search_term = []
    cc_present = False
@@ -274,10 +288,23 @@ def render_adv_search_results(term, offset=None, order=None, limit=None):
                cc_present = True
            if column_end:
                search_term.extend(["{} <= {}".format(c.name,
-                                                       format_date(datetime.strptime(column_end, "%Y-%m-%d").date(),
+                                                      format_date(datetime.strptime(column_end, "%Y-%m-%d").date(),
                                                                   format='medium')
                                                       )])
                cc_present = True
+        if c.datatype in ["int", "float"]:
+            column_low = term.get('custom_column_' + str(c.id) + '_low')
+            column_high = term.get('custom_column_' + str(c.id) + '_high')
+            if column_low:
+                search_term.extend(["{} >= {}".format(c.name, column_low)])
+                cc_present = True
+            if column_high:
+                search_term.extend(["{} <= {}".format(c.name,column_high)])
+                cc_present = True
+        elif c.datatype == "bool":
+            if term.get('custom_column_' + str(c.id)) != "Any":
+                search_term.extend([("{}: {}".format(c.name, term.get('custom_column_' + str(c.id))))])
+                cc_present = True
        elif term.get('custom_column_' + str(c.id)):
            search_term.extend([("{}: {}".format(c.name, term.get('custom_column_' + str(c.id))))])
            cc_present = True
@@ -24,16 +24,15 @@ import os
 import sys

 from flask import Blueprint, Response, request, url_for
-from flask_login import current_user
-from flask_login import login_required
+from .cw_login import current_user
 from flask_babel import get_locale
 from sqlalchemy.exc import InvalidRequestError, OperationalError
 from sqlalchemy.orm.attributes import flag_modified

 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__)

@@ -81,7 +80,7 @@ cl = list_classes(new_list)


@meta.route("/metadata/provider")
-@login_required
+@user_login_required
 def metadata_provider():
    active = current_user.view_settings.get("metadata", {})
    provider = list()
@@ -95,7 +94,7 @@ def metadata_provider():

@meta.route("/metadata/provider", methods=["POST"])
@meta.route("/metadata/provider/<prov_name>", methods=["POST"])
-@login_required
+@user_login_required
 def metadata_change_active_provider(prov_name):
    new_state = request.get_json()
    active = current_user.view_settings.get("metadata", {})
@@ -122,7 +121,7 @@ def metadata_change_active_provider(prov_name):


@meta.route("/metadata/search", methods=["POST"])
-@login_required
+@user_login_required
 def metadata_search():
    query = request.form.to_dict().get("query")
    data = list()
@@ -130,7 +129,7 @@ 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 +138,4 @@ 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")
@@ -21,7 +21,6 @@ import os
 import errno
 import signal
 import socket
-import asyncio

 try:
    from gevent.pywsgi import WSGIServer
@@ -97,7 +96,8 @@ class WebServer(object):
                log.warning('Cert path: %s', certfile_path)
                log.warning('Key path:  %s', keyfile_path)

-    def _make_gevent_socket_activated(self):
+    @staticmethod
+    def _make_gevent_socket_activated():
        # Reuse an already open socket on fd=SD_LISTEN_FDS_START
        SD_LISTEN_FDS_START = 3
        return GeventSocket(fileno=SD_LISTEN_FDS_START)
@@ -139,8 +139,8 @@ class WebServer(object):
            return ((self.listen_address, self.listen_port),
                    _readable_listen_address(self.listen_address, self.listen_port))

+        address = ('::', self.listen_port)
        try:
-            address = ('::', self.listen_port)
            sock = WSGIServer.get_listener(address, family=socket.AF_INET6)
        except socket.error as ex:
            log.error('%s', ex)
@@ -301,7 +301,6 @@ class WebServer(object):
        log.info("Performing restart of Calibre-Web")
        args = self._get_args_for_reloading()
        os.execv(args[0].lstrip('"').rstrip('"'), args)
-        return True

    @staticmethod
    def shutdown_scheduler():
@@ -30,10 +30,10 @@ log = logger.create()


 def b64encode_json(json_data):
-    return b64encode(json.dumps(json_data).encode())
+    return b64encode(json.dumps(json_data).encode()).decode("utf-8")


-# Python3 has a timestamp() method we could be calling, however it's not avaiable in python2.
+# Python3 has a timestamp() method we could be calling, however it's not available in python2.
 def to_epoch_timestamp(datetime_object):
    return (datetime_object - datetime(1970, 1, 1)).total_seconds()

@@ -47,7 +47,7 @@ def get_datetime_from_json(json_object, field_name):


 class SyncToken:
-    """ The SyncToken is used to persist state accross requests.
+    """ The SyncToken is used to persist state across requests.
    When serialized over the response headers, the Kobo device will propagate the token onto following
    requests to the service. As an example use-case, the SyncToken is used to detect books that have been added
    to the library since the last time the device synced to the server.
@@ -173,8 +173,8 @@ class SyncToken:

    def __str__(self):
        return "{},{},{},{},{},{}".format(self.books_last_created,
-                                       self.books_last_modified,
-                                       self.archive_last_modified,
-                                       self.reading_state_last_modified,
-                                       self.tags_last_modified,
-                                       self.raw_kobo_store_token)
+                                          self.books_last_modified,
+                                          self.archive_last_modified,
+                                          self.reading_state_last_modified,
+                                          self.tags_last_modified,
+                                          self.raw_kobo_store_token)
@@ -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()

@@ -36,6 +36,7 @@ SCOPES = ['openid', 'https://www.googleapis.com/auth/gmail.send', 'https://www.g
 def setup_gmail(token):
    # If there are no (valid) credentials available, let the user log in.
    creds = None
+    user_info = None
    if "token" in token:
        creds = Credentials(
            token=token['token'],
@@ -18,16 +18,51 @@

 import time
 from functools import reduce
+import requests
+
+from goodreads.client import GoodreadsClient
+from goodreads.request import GoodreadsRequest
+import xmltodict

 try:
-    from goodreads.client import GoodreadsClient
+    import Levenshtein
 except ImportError:
-    from betterreads.client import GoodreadsClient
-
-try: import Levenshtein
-except ImportError: Levenshtein = False
+    Levenshtein = False

 from .. import logger
+from ..clean_html import clean_string
+
+
+class my_GoodreadsClient(GoodreadsClient):
+
+    def request(self, *args, **kwargs):
+        """Create a GoodreadsRequest object and make that request"""
+        req = my_GoodreadsRequest(self, *args, **kwargs)
+        return req.request()
+
+
+class GoodreadsRequestException(Exception):
+    def __init__(self, error_msg, url):
+        self.error_msg = error_msg
+        self.url = url
+
+    def __str__(self):
+        return self.url, ':', self.error_msg
+
+
+class my_GoodreadsRequest(GoodreadsRequest):
+
+    def request(self):
+        resp = requests.get(self.host+self.path, params=self.params,
+                            headers={"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:125.0) "
+                                                   "Gecko/20100101 Firefox/125.0"})
+        if resp.status_code != 200:
+            raise GoodreadsRequestException(resp.reason, self.path)
+        if self.req_format == 'xml':
+            data_dict = xmltodict.parse(resp.content)
+            return data_dict['GoodreadsResponse']
+        else:
+            raise Exception("Invalid format")


 log = logger.create()
@@ -38,20 +73,20 @@ _CACHE_TIMEOUT = 23 * 60 * 60  # 23 hours (in seconds)
 _AUTHORS_CACHE = {}


-def connect(key=None, secret=None, enabled=True):
+def connect(key=None, enabled=True):
    global _client

-    if not enabled or not key or not secret:
+    if not enabled or not key:
        _client = None
        return

    if _client:
        # make sure the configuration has not changed since last we used the client
-        if _client.client_key != key or _client.client_secret != secret:
+        if _client.client_key != key:
            _client = None

    if not _client:
-        _client = GoodreadsClient(key, secret)
+        _client = my_GoodreadsClient(key, None)


 def get_author_info(author_name):
@@ -76,6 +111,7 @@ def get_author_info(author_name):

    if author_info:
        author_info._timestamp = now
+        author_info.safe_about = clean_string(author_info.about)
        _AUTHORS_CACHE[author_name] = author_info
    return author_info

@@ -91,7 +127,8 @@ def get_other_books(author_info, library_books=None):
    identifiers = []
    library_titles = []
    if library_books:
-        identifiers = list(reduce(lambda acc, book: acc + [i.val for i in book.identifiers if i.val], library_books, []))
+        identifiers = list(
+            reduce(lambda acc, book: acc + [i.val for i in book.identifiers if i.val], library_books, []))
        library_titles = [book.title for book in library_books]

    for book in author_info.books:
@@ -30,9 +30,11 @@ except ImportError:

 log = logger.create()

+
 class LDAPLogger(object):

-    def write(self, message):
+    @staticmethod
+    def write(message):
        try:
            log.debug(message.strip("\n").replace("\n", ""))
        except Exception:
@@ -71,6 +73,7 @@ class mySimpleLDap(LDAP):

 _ldap = mySimpleLDap()

+
 def init_app(app, config):
    if config.config_login_type != constants.LOGIN_LDAP:
        return
@@ -124,7 +127,7 @@ def init_app(app, config):
        log.error(e)


-def get_object_details(user=None,query_filter=None):
+def get_object_details(user=None, query_filter=None):
    return _ldap.get_object_details(user, query_filter=query_filter)


@@ -21,17 +21,17 @@
 #  along with this program. If not, see <http://www.gnu.org/licenses/>.

 import sys
-from datetime import datetime
+from datetime import datetime, timezone

 from flask import Blueprint, flash, redirect, request, url_for, abort
 from flask_babel import gettext as _
-from flask_login import current_user, login_required
+from .cw_login import current_user
 from sqlalchemy.exc import InvalidRequestError, OperationalError
 from sqlalchemy.sql.expression import func, true

 from . import calibre_db, config, db, logger, ub
 from .render_template import render_title_template
-from .usermanagement import login_required_if_no_ano
+from .usermanagement import login_required_if_no_ano, user_login_required

 log = logger.create()

@@ -39,7 +39,7 @@ shelf = Blueprint('shelf', __name__)


@shelf.route("/shelf/add/<int:shelf_id>/<int:book_id>", methods=["POST"])
-@login_required
+@user_login_required
 def add_to_shelf(shelf_id, book_id):
    xhr = request.headers.get('X-Requested-With') == 'XMLHttpRequest'
    shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
@@ -80,7 +80,7 @@ def add_to_shelf(shelf_id, book_id):
        return "%s is a invalid Book Id. Could not be added to Shelf" % book_id, 400

    shelf.books.append(ub.BookShelf(shelf=shelf.id, book_id=book_id, order=maxOrder + 1))
-    shelf.last_modified = datetime.utcnow()
+    shelf.last_modified = datetime.now(timezone.utc)
    try:
        ub.session.merge(shelf)
        ub.session.commit()
@@ -103,7 +103,7 @@ def add_to_shelf(shelf_id, book_id):


@shelf.route("/shelf/massadd/<int:shelf_id>", methods=["POST"])
-@login_required
+@user_login_required
 def search_to_shelf(shelf_id):
    shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
    if shelf is None:
@@ -139,7 +139,7 @@ def search_to_shelf(shelf_id):
        for book in books_for_shelf:
            maxOrder += 1
            shelf.books.append(ub.BookShelf(shelf=shelf.id, book_id=book, order=maxOrder))
-        shelf.last_modified = datetime.utcnow()
+        shelf.last_modified = datetime.now(timezone.utc)
        try:
            ub.session.merge(shelf)
            ub.session.commit()
@@ -155,7 +155,7 @@ def search_to_shelf(shelf_id):


@shelf.route("/shelf/remove/<int:shelf_id>/<int:book_id>", methods=["POST"])
-@login_required
+@user_login_required
 def remove_from_shelf(shelf_id, book_id):
    xhr = request.headers.get('X-Requested-With') == 'XMLHttpRequest'
    shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
@@ -185,7 +185,7 @@ def remove_from_shelf(shelf_id, book_id):

        try:
            ub.session.delete(book_shelf)
-            shelf.last_modified = datetime.utcnow()
+            shelf.last_modified = datetime.now(timezone.utc)
            ub.session.commit()
        except (OperationalError, InvalidRequestError) as e:
            ub.session.rollback()
@@ -212,14 +212,14 @@ def remove_from_shelf(shelf_id, book_id):


@shelf.route("/shelf/create", methods=["GET", "POST"])
-@login_required
+@user_login_required
 def create_shelf():
    shelf = ub.Shelf()
    return create_edit_shelf(shelf, page_title=_("Create a Shelf"), page="shelfcreate")


@shelf.route("/shelf/edit/<int:shelf_id>", methods=["GET", "POST"])
-@login_required
+@user_login_required
 def edit_shelf(shelf_id):
    shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
    if not check_shelf_edit_permissions(shelf):
@@ -229,7 +229,7 @@ def edit_shelf(shelf_id):


@shelf.route("/shelf/delete/<int:shelf_id>", methods=["POST"])
-@login_required
+@user_login_required
 def delete_shelf(shelf_id):
    cur_shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
    try:
@@ -250,7 +250,7 @@ def show_simpleshelf(shelf_id):
    return render_show_shelf(2, shelf_id, 1, None)


-@shelf.route("/shelf/<int:shelf_id>", defaults={"sort_param": "order", 'page': 1})
+@shelf.route("/shelf/<int:shelf_id>", defaults={"sort_param": "stored", 'page': 1})
@shelf.route("/shelf/<int:shelf_id>/<sort_param>", defaults={'page': 1})
@shelf.route("/shelf/<int:shelf_id>/<sort_param>/<int:page>")
@login_required_if_no_ano
@@ -259,7 +259,7 @@ def show_shelf(shelf_id, sort_param, page):


@shelf.route("/shelf/order/<int:shelf_id>", methods=["GET", "POST"])
-@login_required
+@user_login_required
 def order_shelf(shelf_id):
    shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
    if shelf and check_shelf_view_permissions(shelf):
@@ -271,7 +271,7 @@ def order_shelf(shelf_id):
            for book in books_in_shelf:
                setattr(book, 'order', to_save[str(book.book_id)])
                counter += 1
-                # if order different from before -> shelf.last_modified = datetime.utcnow()
+                # if order different from before -> shelf.last_modified = datetime.now(timezone.utc)
            try:
                ub.session.commit()
            except (OperationalError, InvalidRequestError) as e:
@@ -418,29 +418,37 @@ def change_shelf_order(shelf_id, order):

 def render_show_shelf(shelf_type, shelf_id, page_no, sort_param):
    shelf = ub.session.query(ub.Shelf).filter(ub.Shelf.id == shelf_id).first()
-
+    status = current_user.get_view_property("shelf", 'man')
    # check user is allowed to access shelf
    if shelf and check_shelf_view_permissions(shelf):
        if shelf_type == 1:
-            # order = [ub.BookShelf.order.asc()]
-            if sort_param == 'pubnew':
-                change_shelf_order(shelf_id, [db.Books.pubdate.desc()])
-            if sort_param == 'pubold':
-                change_shelf_order(shelf_id, [db.Books.pubdate])
-            if sort_param == 'abc':
-                change_shelf_order(shelf_id, [db.Books.sort])
-            if sort_param == 'zyx':
-                change_shelf_order(shelf_id, [db.Books.sort.desc()])
-            if sort_param == 'new':
-                change_shelf_order(shelf_id, [db.Books.timestamp.desc()])
-            if sort_param == 'old':
-                change_shelf_order(shelf_id, [db.Books.timestamp])
-            if sort_param == 'authaz':
-                change_shelf_order(shelf_id, [db.Books.author_sort.asc(), db.Series.name, db.Books.series_index])
-            if sort_param == 'authza':
-                change_shelf_order(shelf_id, [db.Books.author_sort.desc(),
-                                              db.Series.name.desc(),
-                                              db.Books.series_index.desc()])
+            if status != 'on':
+                if sort_param == 'stored':
+                    sort_param = current_user.get_view_property("shelf", 'stored')
+                else:
+                    current_user.set_view_property("shelf", 'stored', sort_param)
+                if sort_param == 'pubnew':
+                    change_shelf_order(shelf_id, [db.Books.pubdate.desc()])
+                if sort_param == 'pubold':
+                    change_shelf_order(shelf_id, [db.Books.pubdate])
+                if sort_param == 'shelfnew':
+                    change_shelf_order(shelf_id, [ub.BookShelf.date_added.desc()])
+                if sort_param == 'shelfold':
+                    change_shelf_order(shelf_id, [ub.BookShelf.date_added])
+                if sort_param == 'abc':
+                    change_shelf_order(shelf_id, [db.Books.sort])
+                if sort_param == 'zyx':
+                    change_shelf_order(shelf_id, [db.Books.sort.desc()])
+                if sort_param == 'new':
+                    change_shelf_order(shelf_id, [db.Books.timestamp.desc()])
+                if sort_param == 'old':
+                    change_shelf_order(shelf_id, [db.Books.timestamp])
+                if sort_param == 'authaz':
+                    change_shelf_order(shelf_id, [db.Books.author_sort.asc(), db.Series.name, db.Books.series_index])
+                if sort_param == 'authza':
+                    change_shelf_order(shelf_id, [db.Books.author_sort.desc(),
+                                                  db.Series.name.desc(),
+                                                  db.Books.series_index.desc()])
            page = "shelf.html"
            pagesize = 0
        else:
@@ -453,7 +461,7 @@ def render_show_shelf(shelf_type, shelf_id, page_no, sort_param):
                                                           [ub.BookShelf.order.asc()],
                                                           True, config.config_read_column,
                                                           ub.BookShelf, ub.BookShelf.book_id == db.Books.id)
-        # delete chelf entries where book is not existent anymore, can happen if book is deleted outside calibre-web
+        # delete shelf entries where book is not existent anymore, can happen if book is deleted outside calibre-web
        wrong_entries = calibre_db.session.query(ub.BookShelf) \
            .join(db.Books, ub.BookShelf.book_id == db.Books.id, isouter=True) \
            .filter(db.Books.id == None).all()
@@ -472,7 +480,9 @@ def render_show_shelf(shelf_type, shelf_id, page_no, sort_param):
                                     pagination=pagination,
                                     title=_("Shelf: '%(name)s'", name=shelf.name),
                                     shelf=shelf,
-                                     page="shelf")
+                                     page="shelf",
+                                     status=status,
+                                     order=sort_param)
    else:
        flash(_("Error opening shelf. Shelf does not exist or is not accessible"), category="error")
        return redirect(url_for("web.index"))
@@ -3268,6 +3268,10 @@ 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 +4337,7 @@ 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 {
@@ -7951,3 +7956,5 @@ div.comments[data-readmore] {
    transition: height 300ms;
    overflow: hidden
 }
+
+.dropdown-menu > .offscreen
@@ -15,5 +15,5 @@

 .blackTheme {
 	background: #000;
-	color: #fff
+	color: #fff;
 }
@@ -0,0 +1,3 @@
+<svg width="12" height="13" viewBox="0 0 12 13" fill="none" xmlns="http://www.w3.org/2000/svg">
+   <path d="M5.375 7.625V11.875C5.375 12.0408 5.44085 12.1997 5.55806 12.3169C5.67527 12.4342 5.83424 12.5 6 12.5C6.16576 12.5 6.32473 12.4342 6.44194 12.3169C6.55915 12.1997 6.625 12.0408 6.625 11.875V7.625L7.125 7.125H11.375C11.5408 7.125 11.6997 7.05915 11.8169 6.94194C11.9342 6.82473 12 6.66576 12 6.5C12 6.33424 11.9342 6.17527 11.8169 6.05806C11.6997 5.94085 11.5408 5.875 11.375 5.875H7.125L6.625 5.375V1.125C6.625 0.95924 6.55915 0.800269 6.44194 0.683058C6.32473 0.565848 6.16576 0.5 6 0.5C5.83424 0.5 5.67527 0.565848 5.55806 0.683058C5.44085 0.800269 5.375 0.95924 5.375 1.125V5.375L4.875 5.875H0.625C0.45924 5.875 0.300269 5.94085 0.183058 6.05806C0.065848 6.17527 0 6.33424 0 6.5C0 6.66576 0.065848 6.82473 0.183058 6.94194C0.300269 7.05915 0.45924 7.125 0.625 7.125H4.762L5.375 7.625Z" fill="black"/>
+</svg> 
@@ -0,0 +1,3 @@
+<svg width="12" height="13" viewBox="0 0 12 13" fill="none" xmlns="http://www.w3.org/2000/svg">
+  <path d="M6 0.5C5.21207 0.5 4.43185 0.655195 3.7039 0.956723C2.97595 1.25825 2.31451 1.70021 1.75736 2.25736C1.20021 2.81451 0.758251 3.47595 0.456723 4.2039C0.155195 4.93185 0 5.71207 0 6.5C0 7.28793 0.155195 8.06815 0.456723 8.7961C0.758251 9.52405 1.20021 10.1855 1.75736 10.7426C2.31451 11.2998 2.97595 11.7417 3.7039 12.0433C4.43185 12.3448 5.21207 12.5 6 12.5C7.5913 12.5 9.11742 11.8679 10.2426 10.7426C11.3679 9.61742 12 8.0913 12 6.5C12 4.9087 11.3679 3.38258 10.2426 2.25736C9.11742 1.13214 7.5913 0.5 6 0.5ZM5.06 8.9L2.9464 6.7856C2.85273 6.69171 2.80018 6.56446 2.80033 6.43183C2.80048 6.29921 2.85331 6.17207 2.9472 6.0784C3.04109 5.98473 3.16834 5.93218 3.30097 5.93233C3.43359 5.93248 3.56073 5.98531 3.6544 6.0792L5.3112 7.7368L8.3464 4.7008C8.44109 4.6109 8.56715 4.56153 8.69771 4.56322C8.82827 4.56492 8.95301 4.61754 9.04534 4.70986C9.13766 4.80219 9.19028 4.92693 9.19198 5.05749C9.19367 5.18805 9.1443 5.31411 9.0544 5.4088L5.5624 8.9H5.06Z" fill="#FBFBFE"/>
+</svg> 
@@ -0,0 +1,6 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" height="40" width="40">
+  <path d="M9 3.5a1.5 1.5 0 0 0-3-.001v7.95C6 12.83 7.12 14 8.5 14s2.5-1.17 2.5-2.55V5.5a.5.5 0 0 1 1 0v6.03C11.955 13.427 10.405 15 8.5 15S5.044 13.426 5 11.53V3.5a2.5 2.5 0 0 1 5 0v7.003a1.5 1.5 0 0 1-3-.003v-5a.5.5 0 0 1 1 0v5a.5.5 0 0 0 1 0Z"/>
+</svg>
@@ -0,0 +1,7 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" height="40" width="40">
+  <path d="M8.156 12.5a.99.99 0 0 0 .707-.294l.523-2.574L10.5 8.499l1.058-1.04 2.65-.601a.996.996 0 0 0 0-1.414l-3.657-3.658a.996.996 0 0 0-1.414 0l-.523 2.576L7.5 5.499 6.442 6.535l-2.65.6a.996.996 0 0 0 0 1.413l3.657 3.658a.999.999 0 0 0 .707.295z"/>
+  <path d="M9.842.996c-.386 0-.77.146-1.06.44a.5.5 0 0 0-.136.251l-.492 2.43-1.008 1.03-.953.933-2.511.566a.5.5 0 0 0-.243.133 1.505 1.505 0 0 0-.002 2.123l1.477 1.477-2.768 2.767a.5.5 0 0 0 0 .707.5.5 0 0 0 .708 0l2.767-2.767 1.475 1.474a1.494 1.494 0 0 0 2.123-.002.5.5 0 0 0 .135-.254l.492-2.427 1.008-1.024.953-.937 2.511-.57a.5.5 0 0 0 .243-.132c.586-.58.583-1.543.002-2.125l-3.659-3.656A1.501 1.501 0 0 0 9.842.996Zm.05 1.025a.394.394 0 0 1 .305.12l3.658 3.657c.18.18.141.432.002.627l-2.41.545a.5.5 0 0 0-.24.131L10.15 8.142a.5.5 0 0 0-.007.006L9.029 9.283a.5.5 0 0 0-.133.25l-.48 2.36c-.082.053-.165.109-.26.109a.492.492 0 0 1-.353-.149L4.145 8.195c-.18-.18-.141-.432-.002-.627l2.41-.545a.5.5 0 0 0 .238-.13L7.85 5.857a.5.5 0 0 0 .007-.008l1.114-1.138a.5.5 0 0 0 .133-.25l.472-2.323a.619.619 0 0 1 .317-.117Z"/>
+</svg>
@@ -0,0 +1,6 @@
+<svg width="18" height="19" viewBox="0 0 18 19" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M12.2 3.09C12.28 3.01 12.43 3 12.43 3C12.48 3 12.58 3.02 12.66 3.1L14.45 4.89C14.58 5.02 14.58 5.22 14.45 5.35L11.7713 8.02872L9.51628 5.77372L12.2 3.09ZM13.2658 5.12L11.7713 6.6145L10.9305 5.77372L12.425 4.27921L13.2658 5.12Z" fill="#FBFBFE"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M5.98 9.32L8.23 11.57L10.7106 9.08938L8.45562 6.83438L5.98 9.31V9.32ZM8.23 10.1558L9.29641 9.08938L8.45562 8.24859L7.38921 9.315L8.23 10.1558Z" fill="#FBFBFE"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M10.1526 13.1816L16.2125 7.1217C16.7576 6.58919 17.05 5.8707 17.05 5.12C17.05 4.36931 16.7576 3.65084 16.2126 3.11834L14.4317 1.33747C13.8992 0.79242 13.1807 0.5 12.43 0.5C11.6643 0.5 10.9529 0.812929 10.4329 1.33289L3.68289 8.08289C3.04127 8.72452 3.00459 9.75075 3.57288 10.4363L1.29187 12.7239C1.09186 12.9245 0.990263 13.1957 1.0007 13.4685L1 14.5C0.447715 14.5 0 14.9477 0 15.5V17.5C0 18.0523 0.447715 18.5 1 18.5H16C16.5523 18.5 17 18.0523 17 17.5V15.5C17 14.9477 16.5523 14.5 16 14.5H10.2325C9.83594 14.5 9.39953 13.9347 10.1526 13.1816ZM4.39 9.85L4.9807 10.4407L2.39762 13.0312H6.63877L7.10501 12.565L7.57125 13.0312H8.88875L15.51 6.41C15.86 6.07 16.05 5.61 16.05 5.12C16.05 4.63 15.86 4.17 15.51 3.83L13.72 2.04C13.38 1.69 12.92 1.5 12.43 1.5C11.94 1.5 11.48 1.7 11.14 2.04L4.39 8.79C4.1 9.08 4.1 9.56 4.39 9.85ZM16 17.5V15.5H1V17.5H16Z" fill="#FBFBFE"/>
+<path d="M15.1616 6.05136L15.1616 6.05132L15.1564 6.05645L8.40645 12.8064C8.35915 12.8537 8.29589 12.88 8.23 12.88C8.16411 12.88 8.10085 12.8537 8.05355 12.8064L7.45857 12.2115L7.10501 11.8579L6.75146 12.2115L6.03289 12.93H3.20465L5.33477 10.7937L5.6873 10.4402L5.33426 10.0871L4.74355 9.49645C4.64882 9.40171 4.64882 9.23829 4.74355 9.14355L11.4936 2.39355C11.7436 2.14354 12.0779 2 12.43 2C12.7883 2 13.1179 2.13776 13.3614 2.38839L13.3613 2.38843L13.3664 2.39355L15.1564 4.18355L15.1564 4.18359L15.1616 4.18864C15.4122 4.43211 15.55 4.76166 15.55 5.12C15.55 5.47834 15.4122 5.80789 15.1616 6.05136ZM7.87645 11.9236L8.23 12.2771L8.58355 11.9236L11.0642 9.44293L11.4177 9.08938L11.0642 8.73582L8.80918 6.48082L8.45562 6.12727L8.10207 6.48082L5.62645 8.95645L5.48 9.10289V9.31V9.32V9.52711L5.62645 9.67355L7.87645 11.9236ZM11.4177 8.38227L11.7713 8.73582L12.1248 8.38227L14.8036 5.70355C15.1288 5.37829 15.1288 4.86171 14.8036 4.53645L13.0136 2.74645C12.8186 2.55146 12.5792 2.5 12.43 2.5H12.4134L12.3967 2.50111L12.43 3C12.3967 2.50111 12.3966 2.50112 12.3965 2.50112L12.3963 2.50114L12.3957 2.50117L12.3947 2.50125L12.3924 2.50142L12.387 2.50184L12.3732 2.50311C12.3628 2.50416 12.3498 2.50567 12.3346 2.50784C12.3049 2.51208 12.2642 2.51925 12.2178 2.53146C12.1396 2.55202 11.9797 2.60317 11.8464 2.73645L9.16273 5.42016L8.80918 5.77372L9.16273 6.12727L11.4177 8.38227ZM1.5 16H15.5V17H1.5V16Z" stroke="#15141A"/>
+</svg>
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--- a/Show More
+++ b/Show More