Merge remote-tracking branch 'origin/master'

Improved error report
Lenient JSON decoding

.idea/deploymentTargetDropDown.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="deploymentTargetDropDown">
-    <runningDeviceTargetSelectedWithDropDown>
+    <targetSelectedWithDropDown>
       <Target>
-        <type value="RUNNING_DEVICE_TARGET" />
+        <type value="QUICK_BOOT_TARGET" />
         <deviceKey>
           <Key>
             <type value="VIRTUAL_DEVICE_PATH" />
@@ -11,7 +11,7 @@
           </Key>
         </deviceKey>
       </Target>
-    </runningDeviceTargetSelectedWithDropDown>
+    </targetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2022-01-11T07:37:11.839392Z" />
+    <timeTargetWasSelectedWithDropDown value="2022-01-24T19:40:46.041035Z" />
   </component>
 </project>

.idea/misc.xml

@@ -3,6 +3,7 @@
   <component name="DesignSurface">
     <option name="filePathToZoomLevelMap">
       <map>
+        <entry key="../../../../layout/custom_preview.xml" value="0.2564814814814815" />
         <entry key="app/src/main/res/layout/reader_activity.xml" value="0.14351851851851852" />
       </map>
     </option>

README.md

@@ -2,7 +2,7 @@
 *Pupil, Hitomi.la viewer for Android*  
 
 ![](https://img.shields.io/github/downloads/tom5079/Pupil/total)  
-[![](https://img.shields.io/github/downloads/tom5079/Pupil/5.2.12/Pupil-v5.2.12.apk?color=%234fc3f7&label=DOWNLOAD%20APP&style=for-the-badge)](https://github.com/tom5079/Pupil/releases/download/5.2.12/Pupil-v5.2.12.apk)  
+[![](https://img.shields.io/github/downloads/tom5079/Pupil/5.2.20/Pupil-v5.2.20.apk?color=%234fc3f7&label=DOWNLOAD%20APP&style=for-the-badge)](https://github.com/tom5079/Pupil/releases/download/5.2.20/Pupil-v5.2.20.apk)  
 [![](https://discordapp.com/api/guilds/610452916612104194/embed.png?style=banner2)](https://discord.gg/Stj4b5v)
 
 # Features

app/build.gradle

@@ -38,7 +38,7 @@ android {
         minSdkVersion 16
         targetSdkVersion 31
         versionCode 69
-        versionName "5.2.12"
+        versionName "5.2.21"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
     }
@@ -91,6 +91,7 @@ dependencies {
     implementation "androidx.gridlayout:gridlayout:1.0.0"
     implementation "androidx.biometric:biometric:1.1.0"
     implementation "androidx.work:work-runtime-ktx:2.7.1"
+    implementation 'androidx.webkit:webkit:1.4.0'
 
     implementation "com.daimajia.swipelayout:library:1.2.0@aar"
 
@@ -128,8 +129,6 @@ dependencies {
 
     implementation "org.jsoup:jsoup:1.14.3"
 
-    implementation "com.google.guava:guava:31.0.1-android"
-
     implementation "xyz.quaver:documentfilex:0.7.2"
     implementation "xyz.quaver:floatingsearchview:1.1.7"
 

app/proguard-rules.pro

@@ -33,4 +33,4 @@
 }
 -keep class xyz.quaver.pupil.ui.fragment.ManageFavoritesFragment
 -keep class xyz.quaver.pupil.ui.fragment.ManageStorageFragment
--keep class com.hippo.quickjs.** { *; }
+-keep class xyz.quaver.pupil.** { *; }

app/release/output-metadata.json

@@ -12,7 +12,7 @@
       "filters": [],
       "attributes": [],
       "versionCode": 69,
-      "versionName": "5.2.12",
+      "versionName": "5.2.21",
       "outputFile": "app-release.apk"
     }
   ],

app/src/androidTest/java/xyz/quaver/pupil/ExampleInstrumentedTest.kt

@@ -46,48 +46,7 @@ class ExampleInstrumentedTest {
 
         runBlocking {
             withContext(Dispatchers.Main) {
-                WebView.setWebContentsDebuggingEnabled(true)
+                initWebView(appContext)
-
-                webView = WebView(appContext).apply {
-                    with (settings) {
-                        javaScriptEnabled = true
-                        domStorageEnabled = true
-                    }
-
-                    userAgent = settings.userAgentString
-
-                    webViewClient = object: WebViewClient() {
-                        override fun onPageFinished(view: WebView?, url: String?) {
-                            webViewReady = true
-                        }
-
-                        override fun onReceivedError(
-                            view: WebView?,
-                            request: WebResourceRequest?,
-                            error: WebResourceError?
-                        ) {
-                        }
-                    }
-
-                    webChromeClient = object: WebChromeClient() {
-                        override fun onConsoleMessage(consoleMessage: ConsoleMessage?): Boolean {
-                            return super.onConsoleMessage(consoleMessage)
-                        }
-                    }
-
-                    addJavascriptInterface(object {
-                        @JavascriptInterface
-                        fun onResult(uid: String, result: String) {
-                            _webViewFlow.tryEmit(uid to result)
-                        }
-                        @JavascriptInterface
-                        fun onError(uid: String, message: String) {
-                            _webViewFlow.tryEmit(uid to null)
-                        }
-                    }, "Callback")
-                }
-
-                reloadWhenFailedOrUpdate()
             }
         }
     }
@@ -141,10 +100,19 @@ class ExampleInstrumentedTest {
         }
     }
 
+    @Test
+    fun test_getGallery() {
+        runBlocking {
+            val gallery = getGallery(2109479)
+
+            Log.d("PUPILD", gallery.toString())
+        }
+    }
+
     @Test
     fun test_getGalleryBlock() {
         runBlocking {
-            val block = getGalleryBlock(2102731)
+            val block = getGalleryBlock(2119310)
 
             Log.d("PUPILD", block.toString())
         }

app/src/main/AndroidManifest.xml

@@ -6,8 +6,8 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <uses-permission android:name="android.permission.USE_BIOMETRIC" />
-    <uses-permission-sdk-23 android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="23"/>
-    <uses-permission-sdk-23 android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxSdkVersion="23"/>
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.VIBRATE"/>

app/src/main/java/xyz/quaver/pupil/Pupil.kt

@@ -25,15 +25,14 @@ import android.app.NotificationChannel
 import android.app.NotificationManager
 import android.content.Context
 import android.content.Intent
-import android.content.pm.ApplicationInfo
 import android.net.Uri
 import android.os.Build
 import android.util.Log
 import android.webkit.*
-import android.widget.Toast
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.core.content.ContextCompat
 import androidx.preference.PreferenceManager
+import androidx.webkit.WebViewCompat
 import com.facebook.imagepipeline.backends.okhttp3.OkHttpImagePipelineConfigFactory
 import com.github.piasy.biv.BigImageViewer
 import com.github.piasy.biv.loader.fresco.FrescoImageLoader
@@ -42,12 +41,14 @@ import com.google.android.gms.common.GooglePlayServicesRepairableException
 import com.google.android.gms.security.ProviderInstaller
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.coroutines.*
-import kotlinx.coroutines.channels.BufferOverflow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
+import kotlinx.serialization.decodeFromString
+import kotlinx.serialization.json.Json
 import okhttp3.*
 import xyz.quaver.io.FileX
 import xyz.quaver.pupil.hitomi.evaluationContext
+import xyz.quaver.pupil.types.JavascriptException
 import xyz.quaver.pupil.types.Tag
 import xyz.quaver.pupil.util.*
 import java.io.File
@@ -84,6 +85,7 @@ val _webViewFlow = MutableSharedFlow<Pair<String, String?>>()
 val webViewFlow = _webViewFlow.asSharedFlow()
 var webViewReady = false
 var webViewFailed = false
+var oldWebView = false
 private var reloadJob: Job? = null
 
 fun reloadWebView() {
@@ -92,15 +94,16 @@ fun reloadWebView() {
     reloadJob = CoroutineScope(Dispatchers.IO).launch {
         webViewReady = false
         webViewFailed = false
+        oldWebView = false
 
         evaluationContext.cancelChildren(CancellationException("reload"))
 
         runCatching {
             URL(
-                if (isDebugBuild)
+                if (BuildConfig.DEBUG)
-                    "https://tom5079.github.io/Pupil/hitomi-dev.html"
+                    "https://tom5079.github.io/PupilSources/hitomi-dev.html"
                 else
-                    "https://tom5079.github.io/Pupil/hitomi.html"
+                    "https://tom5079.github.io/PupilSources/hitomi.html"
             ).readText()
         }.onFailure {
             webViewFailed = true
@@ -125,10 +128,10 @@ fun reloadWhenFailedOrUpdate() = CoroutineScope(Dispatchers.Default).launch {
             webViewFailed ||
             runCatching {
                 URL(
-                    if (isDebugBuild)
+                    if (BuildConfig.DEBUG)
-                        "https://tom5079.github.io/Pupil/hitomi-dev.html.ver"
+                        "https://tom5079.github.io/PupilSources/hitomi-dev.html.ver"
                     else
-                        "https://tom5079.github.io/Pupil/hitomi.html.ver"
+                        "https://tom5079.github.io/PupilSources/hitomi.html.ver"
                 ).readText()
             }.getOrNull().let { version ->
                 (!version.isNullOrEmpty() && version != htmlVersion).also {
@@ -143,7 +146,84 @@ fun reloadWhenFailedOrUpdate() = CoroutineScope(Dispatchers.Default).launch {
     }
 }
 
-var isDebugBuild: Boolean = false
+@SuppressLint("SetJavaScriptEnabled")
+fun initWebView(context: Context) {
+    if (BuildConfig.DEBUG) WebView.setWebContentsDebuggingEnabled(true)
+
+    webView = WebView(context).apply {
+        with (settings) {
+            javaScriptEnabled = true
+            domStorageEnabled = true
+        }
+
+        userAgent = settings.userAgentString
+
+        webViewClient = object: WebViewClient() {
+            override fun onPageFinished(view: WebView?, url: String?) {
+                webViewReady = true
+
+                webView.evaluateJavascript(
+                    """
+                    try {
+                        new Function('(x => x?.y ?? z)');
+                        true;
+                    } catch (err) {
+                        false;
+                    }
+                """.trimIndent()
+                ) {
+                    val es2020: Boolean = Json.decodeFromString(it)
+
+                    oldWebView = !es2020
+                }
+            }
+
+            override fun onReceivedError(
+                view: WebView?,
+                request: WebResourceRequest?,
+                error: WebResourceError?
+            ) {
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                    FirebaseCrashlytics.getInstance().log(
+                        "onReceivedError: ${error?.description}"
+                    )
+                }
+            }
+        }
+
+        webChromeClient = object: WebChromeClient() {
+            override fun onConsoleMessage(consoleMessage: ConsoleMessage?): Boolean {
+                FirebaseCrashlytics.getInstance().log(
+                    "onConsoleMessage: ${consoleMessage?.message()} (${consoleMessage?.sourceId()}:${consoleMessage?.lineNumber()})"
+                )
+
+                return super.onConsoleMessage(consoleMessage)
+            }
+        }
+
+        addJavascriptInterface(object {
+            @JavascriptInterface
+            fun onResult(uid: String, result: String) {
+                CoroutineScope(Dispatchers.Unconfined).launch {
+                    _webViewFlow.emit(uid to result)
+                }
+            }
+            @JavascriptInterface
+            fun onError(uid: String, script: String, message: String, stack: String) {
+                CoroutineScope(Dispatchers.Unconfined).launch {
+                    _webViewFlow.emit(uid to "")
+                }
+
+                FirebaseCrashlytics.getInstance().recordException(
+                    JavascriptException("onError script: $script\nmessage: $message\nstack: $stack")
+                )
+            }
+        }, "Callback")
+    }
+
+    reloadWhenFailedOrUpdate()
+}
+
 lateinit var userAgent: String
 
 class Pupil : Application() {
@@ -156,67 +236,8 @@ class Pupil : Application() {
     @SuppressLint("SetJavaScriptEnabled")
     override fun onCreate() {
         instance = this
-        isDebugBuild = applicationInfo.flags and ApplicationInfo.FLAG_DEBUGGABLE != 0
 
-        if (isDebugBuild) WebView.setWebContentsDebuggingEnabled(true)
+        initWebView(this)
-
-        webView = WebView(this).apply {
-            with (settings) {
-                javaScriptEnabled = true
-                domStorageEnabled = true
-            }
-
-            userAgent = settings.userAgentString
-
-            webViewClient = object: WebViewClient() {
-                override fun onPageFinished(view: WebView?, url: String?) {
-                    webViewReady = true
-                }
-
-                override fun onReceivedError(
-                    view: WebView?,
-                    request: WebResourceRequest?,
-                    error: WebResourceError?
-                ) {
-                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-                        FirebaseCrashlytics.getInstance().log(
-                            "onReceivedError: ${error?.description}"
-                        )
-                    }
-                }
-            }
-
-            webChromeClient = object: WebChromeClient() {
-                override fun onConsoleMessage(consoleMessage: ConsoleMessage?): Boolean {
-                    FirebaseCrashlytics.getInstance().log(
-                        "onConsoleMessage: ${consoleMessage?.message()} (${consoleMessage?.sourceId()}:${consoleMessage?.lineNumber()})"
-                    )
-
-                    return super.onConsoleMessage(consoleMessage)
-                }
-            }
-
-            addJavascriptInterface(object {
-                @JavascriptInterface
-                fun onResult(uid: String, result: String) {
-                    CoroutineScope(Dispatchers.Unconfined).launch {
-                        _webViewFlow.emit(uid to result)
-                    }
-                }
-                @JavascriptInterface
-                fun onError(uid: String, message: String) {
-                    CoroutineScope(Dispatchers.Unconfined).launch {
-                        _webViewFlow.emit(uid to null)
-                    }
-                    Toast.makeText(this@Pupil, message, Toast.LENGTH_LONG).show()
-                    FirebaseCrashlytics.getInstance().recordException(
-                        Exception(message)
-                    )
-                }
-            }, "Callback")
-        }
-
-        reloadWhenFailedOrUpdate()
 
         AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
 

app/src/main/java/xyz/quaver/pupil/adapters/GalleryBlockAdapter.kt

@@ -128,10 +128,7 @@ class GalleryBlockAdapter(private val galleries: List<Int>) : RecyclerSwipeAdapt
                         setFailureImage(ContextCompat.getDrawable(context, R.drawable.image_broken_variant))
                         setImageLoaderCallback(object: ImageLoader.Callback {
                             override fun onFail(error: Exception?) {
-                                Cache.getInstance(context, galleryID).let { cache ->
+                                Cache.delete(context, galleryID)
-                                    cache.cacheFolder.getChild(".thumbnail").let { if (it.exists()) it.delete() }
-                                    cache.downloadFolder?.getChild(".thumbnail")?.let { if (it.exists()) it.delete() }
-                                }
                             }
 
                             override fun onCacheHit(imageType: Int, image: File?) {}
@@ -189,7 +186,7 @@ class GalleryBlockAdapter(private val galleries: List<Int>) : RecyclerSwipeAdapt
                         text =
                             resources.getString(R.string.galleryblock_language, languages[galleryBlock.language])
                         visibility = when {
-                            galleryBlock.language.isNotEmpty() -> View.VISIBLE
+                            !galleryBlock.language.isNullOrEmpty() -> View.VISIBLE
                             else -> View.GONE
                         }
                     }

app/src/main/java/xyz/quaver/pupil/hitomi/Utils.kt

@@ -1,46 +0,0 @@
-/*
- *    Copyright 2019 tom5079
- *
- *    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.
- */
-
-package xyz.quaver
-
-import kotlinx.serialization.json.Json
-import okhttp3.Request
-import xyz.quaver.pupil.client
-import java.io.IOException
-import java.net.URL
-
-/**
- * kotlinx.serialization.json.Json object for global use  
- * properties should not be changed
- *
- * @see [https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-core/kotlinx-serialization-core/kotlinx.serialization.json/-json/index.html]
- */
-val json = Json {
-    isLenient = true
-    ignoreUnknownKeys = true
-    allowSpecialFloatingPointValues = true
-    useArrayPolymorphism = true
-}
-
-typealias HeaderSetter = (Request.Builder) -> Request.Builder
-fun URL.readText(settings: HeaderSetter? = null): String {
-    val request = Request.Builder()
-        .url(this).let { 
-            settings?.invoke(it) ?: it
-        }.build()
-    
-    return client.newCall(request).execute().also{ if (it.code() != 200) throw IOException() }.body()?.use { it.string() } ?: throw IOException()
-}

app/src/main/java/xyz/quaver/pupil/hitomi/common.kt

@@ -18,9 +18,6 @@ package xyz.quaver.pupil.hitomi
 
 import android.util.Log
 import android.webkit.WebView
-import android.widget.Toast
-import com.google.common.collect.ConcurrentHashMultiset
-import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.first
@@ -29,10 +26,8 @@ import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
-import xyz.quaver.json
 import xyz.quaver.pupil.*
 import java.util.*
-import java.util.concurrent.ConcurrentHashMap
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 
@@ -40,14 +35,29 @@ const val protocol = "https:"
 
 val evaluationContext = Dispatchers.Main + Job()
 
-suspend fun WebView.evaluate(script: String): String = coroutineScope {
+/**
+ * kotlinx.serialization.json.Json object for global use
+ * properties should not be changed
+ *
+ * @see [https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-core/kotlinx-serialization-core/kotlinx.serialization.json/-json/index.html]
+ */
+val json = Json {
+    isLenient = true
+    ignoreUnknownKeys = true
+    allowSpecialFloatingPointValues = true
+    useArrayPolymorphism = true
+}
+
+suspend inline fun <reified T> WebView.evaluate(script: String): T = coroutineScope {
     var result: String? = null
 
     while (result == null) {
         try {
-            result = withContext(evaluationContext) {
+            while (!oldWebView && !(webViewReady && !webViewFailed)) delay(100)
-                while (webViewFailed || !webViewReady) yield()
 
+            result = if (oldWebView)
+                "null"
+            else withContext(evaluationContext) {
                 suspendCoroutine { continuation ->
                     evaluateJavascript(script) {
                         continuation.resume(it)
@@ -60,21 +70,23 @@ suspend fun WebView.evaluate(script: String): String = coroutineScope {
         }
     }
 
-    result
+    json.decodeFromString(result)
 }
 
 @OptIn(ExperimentalCoroutinesApi::class)
-suspend fun WebView.evaluatePromise(
+suspend inline fun <reified T> WebView.evaluatePromise(
     script: String,
-    then: String = ".then(result => Callback.onResult(%uid, JSON.stringify(result))).catch(err => Callback.onError(%uid, JSON.stringify(error)))"
+    then: String = ".then(result => Callback.onResult(%uid, JSON.stringify(result))).catch(err => Callback.onError(%uid, String.raw`$script`, err.message, err.stack))"
-): String = coroutineScope {
+): T = coroutineScope {
     var result: String? = null
 
     while (result == null) {
         try {
-            result = withContext(evaluationContext) {
+            while (!oldWebView && !(webViewReady && !webViewFailed)) delay(100)
-                while (webViewFailed || !webViewReady) yield()
 
+            result = if (oldWebView)
+                "null"
+            else withContext(evaluationContext) {
                 val uid = UUID.randomUUID().toString()
 
                 val flow: Flow<Pair<String, String?>> = webViewFlow.transformWhile { (currentUid, result) ->
@@ -95,27 +107,22 @@ suspend fun WebView.evaluatePromise(
         }
     }
 
-    result
+    json.decodeFromString(result)
 }
 
 @Suppress("EXPERIMENTAL_API_USAGE")
-suspend fun getGalleryInfo(galleryID: Int): GalleryInfo {
+suspend fun getGalleryInfo(galleryID: Int): GalleryInfo =
-    val result = webView.evaluatePromise("get_gallery_info($galleryID)")
+    webView.evaluatePromise("get_gallery_info($galleryID)")
-
-    return json.decodeFromString(result)
-}
 
 //common.js
 const val domain = "ltn.hitomi.la"
-const val galleryblockdir = "galleryblock"
-const val nozomiextension = ".nozomi"
 
 val String?.js: String
     get() = if (this == null) "null" else "'$this'"
 
 @OptIn(ExperimentalSerializationApi::class)
-suspend fun urlFromUrlFromHash(galleryID: Int, image: GalleryFiles, dir: String? = null, ext: String? = null, base: String? = null): String {
+suspend fun urlFromUrlFromHash(galleryID: Int, image: GalleryFiles, dir: String? = null, ext: String? = null, base: String? = null): String =
-    val result = webView.evaluate(
+    webView.evaluate(
         """
         url_from_url_from_hash(
             ${galleryID.toString().js},
@@ -125,9 +132,6 @@ suspend fun urlFromUrlFromHash(galleryID: Int, image: GalleryFiles, dir: String?
         """.trimIndent()
     )
 
-    return Json.decodeFromString(result)
-}
-
 suspend fun imageUrlFromImage(galleryID: Int, image: GalleryFiles, noWebp: Boolean) : String {
     return when {
         noWebp ->

app/src/main/java/xyz/quaver/pupil/hitomi/galleries.kt

@@ -17,15 +17,14 @@
 package xyz.quaver.pupil.hitomi
 
 import kotlinx.serialization.Serializable
-import org.jsoup.Jsoup
+import kotlinx.serialization.decodeFromString
-import xyz.quaver.readText
+import kotlinx.serialization.json.Json
-import java.net.URL
+import xyz.quaver.pupil.webView
-import java.net.URLDecoder
 
 @Serializable
 data class Gallery(
     val related: List<Int>,
-    val langList: List<Pair<String, String>>,
+    val langList: Map<String, String>,
     val cover: String,
     val title: String,
     val artists: List<String>,
@@ -37,44 +36,5 @@ data class Gallery(
     val tags: List<String>,
     val thumbnails: List<String>
 )
-suspend fun getGallery(galleryID: Int) : Gallery {
+suspend fun getGallery(galleryID: Int) : Gallery =
-    val url = Jsoup.parse(URL("https://hitomi.la/galleries/$galleryID.html").readText())
+    webView.evaluatePromise("get_gallery($galleryID)")
-        .select("link").attr("href")
-
-    val doc = Jsoup.parse(URL(url).readText())
-
-    val related = Regex("\\d+")
-        .findAll(doc.select("script").first()!!.html())
-        .map {
-            it.value.toInt()
-        }.toList()
-
-    val langList = doc.select("#lang-list a").map {
-            Pair(it.text(), "$protocol//hitomi.la${it.attr("href")}")
-        }
-
-    val cover = protocol + doc.selectFirst(".cover img")!!.attr("src")
-    val title = doc.selectFirst(".gallery h1 a")!!.text()
-    val artists = doc.select(".gallery h2 a").map { it.text() }
-    val groups = doc.select(".gallery-info a[href~=^/group/]").map { it.text() }
-    val type = doc.selectFirst(".gallery-info a[href~=^/type/]")!!.text()
-
-    val language = run {
-        val href = doc.select(".gallery-info a[href~=^/index.+\\.html\$]").attr("href")
-        Regex("""index-([^-]+)(-.+)?\.html""").find(href)?.groupValues?.getOrNull(1) ?: ""
-    }
-
-    val series = doc.select(".gallery-info a[href~=^/series/]").map { it.text() }
-    val characters = doc.select(".gallery-info a[href~=^/character/]").map { it.text() }
-
-    val tags = doc.select(".gallery-info a[href~=^/tag/]").map {
-        val href = URLDecoder.decode(it.attr("href"), "UTF-8")
-        href.slice(5 until href.indexOf('-'))
-    }
-
-    val thumbnails = getGalleryInfo(galleryID).files.map { galleryInfo ->
-        urlFromUrlFromHash(galleryID, galleryInfo, "smalltn", "jpg", "tn")
-    }
-
-    return Gallery(related, langList, cover, title, artists, groups, type, language, series, characters, tags, thumbnails)
-}

app/src/main/java/xyz/quaver/pupil/hitomi/galleryblock.kt

@@ -17,15 +17,7 @@
 package xyz.quaver.pupil.hitomi
 
 import kotlinx.serialization.Serializable
-import org.jsoup.Jsoup
 import xyz.quaver.pupil.webView
-import xyz.quaver.readText
-import java.net.URL
-import java.net.URLDecoder
-import java.nio.ByteBuffer
-import java.nio.ByteOrder
-import java.util.*
-import javax.net.ssl.HttpsURLConnection
 
 @Serializable
 data class GalleryBlock(
@@ -36,44 +28,9 @@ data class GalleryBlock(
     val artists: List<String>,
     val series: List<String>,
     val type: String,
-    val language: String,
+    val language: String?,
     val relatedTags: List<String>
 )
 
-suspend fun getGalleryBlock(galleryID: Int) : GalleryBlock {
+suspend fun getGalleryBlock(galleryID: Int) : GalleryBlock =
-    val url = "$protocol//$domain/$galleryblockdir/$galleryID$extension"
+    webView.evaluatePromise("get_gallery_block($galleryID)")
-
-    val html: String = webView.evaluatePromise(
-        """
-        $.get('$url').always(function(data, status) {
-            if (status === 'success') {
-                Callback.onResult(%uid, data);
-            }
-        }); 
-        """.trimIndent(),
-        then = ""
-    )
-
-    val doc = Jsoup.parse(html)
-
-    val galleryUrl = doc.selectFirst("h1 > a")!!.attr("href")
-
-    val thumbnails = doc.select(".dj-img-cont img").map { protocol + it.attr("src") }
-
-    val title = doc.selectFirst("h1 > a")!!.text()
-    val artists = doc.select(".artist-list a").map{ it.text() }
-    val series = doc.select(".dj-content a[href~=^/series/]").map { it.text() }
-    val type = doc.selectFirst("a[href~=^/type/]")!!.text()
-
-    val language = run {
-        val href = doc.select("a[href~=^/index.+\\.html\$]").attr("href")
-        Regex("""index-([^-]+)(-.+)?\.html""").find(href)?.groupValues?.getOrNull(1) ?: ""
-    }
-
-    val relatedTags = doc.select(".relatedtags a").map {
-        val href = URLDecoder.decode(it.attr("href"), "UTF-8")
-        href.slice(5 until href.indexOf("-all"))
-    }
-
-    return GalleryBlock(galleryID, galleryUrl, thumbnails, title, artists, series, type, language, relatedTags)
-}

app/src/main/java/xyz/quaver/pupil/hitomi/search.kt

@@ -27,23 +27,19 @@ import xyz.quaver.pupil.webView
 const val extension = ".html"
 
 @OptIn(ExperimentalSerializationApi::class)
-suspend fun getGalleryIDsForQuery(query: String) : Set<Int> {
+suspend fun getGalleryIDsForQuery(query: String) : Set<Int> =
-    val result = webView.evaluatePromise("get_galleryids_for_query('$query')")
+    webView.evaluatePromise("get_galleryids_for_query('$query')")
-
-    return Json.decodeFromString(result)
-}
 
 @Serializable
 data class Suggestion(val s: String, val t: Int, val u: String, val n: String)
 
 @OptIn(ExperimentalSerializationApi::class)
-suspend fun getSuggestionsForQuery(query: String) : List<Suggestion> {
+suspend fun getSuggestionsForQuery(query: String) : List<Suggestion> =
-    val result = webView.evaluatePromise(
+    webView.evaluatePromise(
         "get_suggestions_for_query('$query', ++search_serial)",
         then = """
             .then(r => {
                 let [results, results_serial] = r;
-                console.log(results_serial, r, search_serial);
                 if (search_serial !== results_serial) {
                     Callback.onResult(%uid, '[]');
                 } else {
@@ -53,14 +49,9 @@ suspend fun getSuggestionsForQuery(query: String) : List<Suggestion> {
         """.trimIndent()
     )
 
-    return Json.decodeFromString(result) ?: return emptyList()
-}
-
 @OptIn(ExperimentalSerializationApi::class)
 suspend fun getGalleryIDsFromNozomi(area: String?, tag: String, language: String) : Set<Int> {
     val jsArea = if (area == null) "null" else "'$area'"
 
-    val json = webView.evaluatePromise("""get_galleryids_from_nozomi($jsArea, '$tag', '$language')""")
+    return webView.evaluatePromise("""get_galleryids_from_nozomi($jsArea, '$tag', '$language')""")
-
-    return Json.decodeFromString(json)
 }

app/src/main/java/xyz/quaver/pupil/services/DownloadService.kt

@@ -29,7 +29,6 @@ import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.TaskStackBuilder
 import androidx.core.content.ContextCompat
-import com.google.common.util.concurrent.RateLimiter
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -166,24 +165,19 @@ class DownloadService : Service() {
         }
     }
 
-    private val rateLimiter = RateLimiter.create(2.0)
-    private val rateLimitHost = Regex("..?\\.hitomi.la")
-
     private val interceptor: PupilInterceptor = { chain ->
         val request = chain.request()
 
-        if (rateLimitHost.matches(request.url().host()))
-            rateLimiter.acquire()
-
         var response = chain.proceed(request)
         var limit = 5
 
-        if (!response.isSuccessful && limit > 0) {
+        while (!response.isSuccessful) {
-            Thread.sleep(10000)
+            if (response.code() == 503) {
-            if (rateLimitHost.matches(request.url().host()))
+                Thread.sleep(200)
-                rateLimiter.acquire()
+            } else if (--limit > 0)
+                break
+
             response = chain.proceed(request)
-            limit -= 1
         }
 
         response.newBuilder()
@@ -224,30 +218,33 @@ class DownloadService : Service() {
             val (galleryID, index, startId) = call.request().tag() as Tag
             val ext = call.request().url().encodedPath().split('.').last()
 
-            kotlin.runCatching {
+            CoroutineScope(Dispatchers.IO).launch {
-                val image = response.also { if (it.code() != 200) throw IOException("$galleryID $index ${response.request().url()} CODE ${it.code()}") }.body()?.use { it.bytes() } ?: throw Exception("Response null")
+                runCatching {
-                val padding = ceil(progress[galleryID]?.size?.let { log10(it.toFloat()) } ?: 0F).toInt()
+                    response.also {
+                        if (it.code() != 200) throw IOException(
+                            "$galleryID $index ${response.request().url()} CODE ${it.code()}"
+                        )
+                    }.body()?.use {
+                        val padding = ceil(progress[galleryID]?.size?.let { log10(it.toFloat()) } ?: 0F).toInt()
+
+                        Cache.getInstance(this@DownloadService, galleryID)
+                            .putImage(index, "${index.toString().padStart(padding, '0')}.$ext", it.byteStream())
 
-                CoroutineScope(Dispatchers.IO).launch {
-                    kotlin.runCatching {
-                        Cache.getInstance(this@DownloadService, galleryID).putImage(index, "${index.toString().padStart(padding, '0')}.$ext", image)
-                    }.onSuccess {
                         progress[galleryID]?.set(index, Float.POSITIVE_INFINITY)
                         notify(galleryID)
 
                         if (isCompleted(galleryID)) {
                             if (DownloadManager.getInstance(this@DownloadService)
-                                    .getDownloadFolder(galleryID) != null)
+                                    .getDownloadFolder(galleryID) != null
+                            )
                                 Cache.getInstance(this@DownloadService, galleryID).moveToDownload()
 
                             startId?.let { stopSelf(it) }
                         }
-                    }.onFailure {
+                    } ?: throw Exception("Response null")
-                        FirebaseCrashlytics.getInstance().recordException(it)
+                }.onFailure {
-                    }
+                    FirebaseCrashlytics.getInstance().recordException(it)
                 }
-            }.onFailure {
-                FirebaseCrashlytics.getInstance().recordException(it)
             }
         }
     }

app/src/main/java/xyz/quaver/pupil/types/SendLogException.kt

@@ -0,0 +1,22 @@
+/*
+ *     Pupil, Hitomi.la viewer for Android
+ *     Copyright (C) 2022  tom5079
+ *
+ *     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/>.
+ */
+
+package xyz.quaver.pupil.types
+
+class SendLogException : Exception()
+class JavascriptException(message: String?) : Exception(message)

app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt

@@ -19,6 +19,7 @@
 package xyz.quaver.pupil.ui
 
 import android.annotation.SuppressLint
+import android.content.ActivityNotFoundException
 import android.content.Intent
 import android.net.Uri
 import android.os.Build
@@ -37,6 +38,7 @@ import androidx.core.content.ContextCompat
 import androidx.core.view.GravityCompat
 import androidx.core.view.ViewCompat
 import androidx.recyclerview.widget.RecyclerView
+import androidx.webkit.WebViewCompat
 import com.google.android.material.navigation.NavigationView
 import com.google.android.material.snackbar.Snackbar
 import com.google.firebase.crashlytics.FirebaseCrashlytics
@@ -105,6 +107,8 @@ class MainActivity :
 
     private lateinit var binding: MainActivityBinding
 
+    private var oldWebViewJob: Job? = null
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         binding = MainActivityBinding.inflate(layoutInflater)
@@ -125,9 +129,40 @@ class MainActivity :
         if (Preferences["download_folder", ""].isEmpty())
             DownloadLocationDialogFragment().show(supportFragmentManager, "Download Location Dialog")
 
+        oldWebViewJob = CoroutineScope(Dispatchers.Unconfined).launch {
+            do {
+                delay(1000)
+                if (oldWebView) {
+                    AlertDialog.Builder(this@MainActivity)
+                        .setTitle(android.R.string.dialog_alert_title)
+                        .setMessage(R.string.old_webview)
+                        .setCancelable(false)
+                        .setPositiveButton(android.R.string.ok) { _, _ ->
+                            WebViewCompat.getCurrentWebViewPackage(this@MainActivity)?.packageName?.let { packageName ->
+                                try {
+                                    startActivity(
+                                        Intent(
+                                            Intent.ACTION_VIEW,
+                                            Uri.parse("market://details?id=$packageName")
+                                        )
+                                    )
+                                } catch (e: ActivityNotFoundException) {
+                                    startActivity(
+                                        Intent(
+                                            Intent.ACTION_VIEW,
+                                            Uri.parse("https://play.google.com/store/apps/details?id=$packageName")
+                                        )
+                                    )
+                                }
+                            }
+                        }
+                        .show()
+                    break
+                }
+            } while (isActive)
+        }
 
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R &&
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R && !Preferences["download_folder_ignore_warning", false] &&
-            !Preferences["download_folder_ignore_warning", false] &&
             ContextCompat.getExternalFilesDirs(this, null).filterNotNull().map { Uri.fromFile(it).toString() }
                 .contains(Preferences["download_folder", ""])
         ) {
@@ -169,6 +204,8 @@ class MainActivity :
     override fun onDestroy() {
         super.onDestroy()
 
+        oldWebViewJob?.cancel()
+
         (binding.contents.recyclerview.adapter as? GalleryBlockAdapter)?.updateAll = false
     }
 

app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt

@@ -26,6 +26,7 @@ import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.preference.*
 import com.google.android.gms.oss.licenses.OssLicensesMenuActivity
+import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -36,6 +37,7 @@ import xyz.quaver.pupil.R
 import xyz.quaver.pupil.client
 import xyz.quaver.pupil.clientBuilder
 import xyz.quaver.pupil.clientHolder
+import xyz.quaver.pupil.types.SendLogException
 import xyz.quaver.pupil.ui.LockActivity
 import xyz.quaver.pupil.ui.SettingsActivity
 import xyz.quaver.pupil.ui.dialog.*
@@ -107,6 +109,7 @@ class SettingsFragment :
                     ProxyDialogFragment().show(parentFragmentManager, "Proxy Dialog")
                 }
                 "user_id" -> {
+                    FirebaseCrashlytics.getInstance().recordException(SendLogException())
                     (context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager).setPrimaryClip(
                         ClipData.newPlainText("user_id", Preferences.get<String>("user_id"))
                     )

app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt

@@ -43,6 +43,7 @@ import xyz.quaver.pupil.hitomi.getGalleryInfo
 import xyz.quaver.pupil.userAgent
 import java.io.File
 import java.io.IOException
+import java.io.InputStream
 import java.util.concurrent.ConcurrentHashMap
 
 @Serializable
@@ -210,12 +211,14 @@ class Cache private constructor(context: Context, val galleryID: Int) : ContextW
         metadata.imageList?.getOrNull(index)?.let { findFile(it) }
 
     @Suppress("BlockingMethodInNonBlockingContext")
-    fun putImage(index: Int, fileName: String, data: ByteArray) {
+    fun putImage(index: Int, fileName: String, data: InputStream) {
         val file = cacheFolder.getChild(fileName)
 
         if (!file.exists())
             file.createNewFile()
-        file.writeBytes(data)
+        file.outputStream()?.use {
+            data.copyTo(it)
+        }
         setMetadata { metadata -> metadata.imageList!![index] = fileName }
     }
 

app/src/main/java/xyz/quaver/pupil/util/downloader/DownloadManager.kt

@@ -87,7 +87,7 @@ class DownloadManager private constructor(context: Context) : ContextWrapper(con
 
     @Synchronized
     fun isDownloading(galleryID: Int): Boolean {
-        val isThisGallery: (Call) -> Boolean = { (it.request().tag() as? DownloadService.Tag)?.galleryID == galleryID }
+        val isThisGallery: (Call) -> Boolean = { !it.isCanceled && (it.request().tag() as? DownloadService.Tag)?.galleryID == galleryID }
 
         return downloadFolderMap.containsKey(galleryID)
                 && client.dispatcher().let { it.queuedCalls().any(isThisGallery) || it.runningCalls().any(isThisGallery) }

app/src/main/res/values-ja/strings.xml

@@ -157,4 +157,5 @@
     <string name="settings_max_concurrent_download">並列ダウンロード</string>
     <string name="unaccessible_download_folder">アンドロイド11以上では外部からのアプリ内部空間接近が不可能です。ダウンロードフォルダを変更しますか？</string>
     <string name="settings_networking">ネットワーク</string>
+    <string name="old_webview">WebViewのアップデートが必要です</string>
 </resources>

app/src/main/res/values-ko/strings.xml

@@ -157,4 +157,5 @@
     <string name="settings_max_concurrent_download">병렬 다운로드</string>
     <string name="unaccessible_download_folder">안드로이드 11 이상에서는 외부에서 현재 다운로드 폴더에 접근할 수 없습니다. 변경하시겠습니까?</string>
     <string name="settings_networking">네트워크</string>
+    <string name="old_webview">WebView 업데이트가 필요합니다</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -51,6 +51,8 @@
 
     <string name="unaccessible_download_folder">From Android 11 and above, current Download folder cannot be accessed by outside apps. Would you like to change the download folder?</string>
 
+    <string name="old_webview">You are using an old version of WebView. Please update it on PlayStore</string>
+
     <string name="main_drawer_home">Home</string>
     <string name="main_drawer_history">History</string>
     <string name="main_drawer_downloads">Downloads</string>