Fixed Download location dialog keep popping up

.github/workflows/watchdiff.yml

@@ -0,0 +1,23 @@
+# This is a basic workflow that is manually triggered
+
+name: Watch hitomi.la file changes
+
+on:
+  schedule:
+    - cron: "*/10 * * * *"
+
+jobs:
+  watchdiff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          ref: watchdiff
+      - name: Download files
+        run: ./fetch.sh
+      - name: Commit and Push
+        id: push
+        run: |
+            git config --global user.name 'Watchdiff bot'
+            git config --global user.email 'tom5079@naver.com'
+            { git add . && git commit -m "File update" && git push; } | tail -1 | grep -q "nothing to commit"

.idea/compiler.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="1.8" />
+    <bytecodeTargetLevel target="11" />
   </component>
 </project>

.idea/deploymentTargetDropDown.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <targetSelectedWithDropDown>
+      <Target>
+        <type value="QUICK_BOOT_TARGET" />
+        <deviceKey>
+          <Key>
+            <type value="VIRTUAL_DEVICE_PATH" />
+            <value value="$USER_HOME$/.android/avd/Pixel_2_API_31.avd" />
+          </Key>
+        </deviceKey>
+      </Target>
+    </targetSelectedWithDropDown>
+    <timeTargetWasSelectedWithDropDown value="2022-01-08T00:45:48.713777Z" />
+  </component>
+</project>

.idea/gradle.xml

@@ -7,6 +7,8 @@
         <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleHome" value="/usr/share/java/gradle" />
+        <option name="gradleJvm" value="11" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />

.idea/misc.xml

@@ -1,6 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="DesignSurface">
+    <option name="filePathToZoomLevelMap">
+      <map>
+        <entry key="app/src/main/res/layout/reader_activity.xml" value="0.14351851851851852" />
+      </map>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

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/5.1.34/Pupil-v5.1.34.apk?color=%234fc3f7&label=DOWNLOAD%20APP&style=for-the-badge)](https://github.com/tom5079/Pupil/releases/download/5.1.34/Pupil-v5.1.34.apk)  
+[![](https://img.shields.io/github/downloads/tom5079/Pupil/5.2.8/Pupil-v5.2.8.apk?color=%234fc3f7&label=DOWNLOAD%20APP&style=for-the-badge)](https://github.com/tom5079/Pupil/releases/download/5.2.8/Pupil-v5.2.8.apk)
 [![](https://discordapp.com/api/guilds/610452916612104194/embed.png?style=banner2)](https://discord.gg/Stj4b5v)
 
 # Features

app/build.gradle

@@ -32,13 +32,13 @@ configurations {
 }
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
     defaultConfig {
         applicationId "xyz.quaver.pupil"
         minSdkVersion 16
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode 69
-        versionName "5.1.32"
+        versionName "5.2.8"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
     }
@@ -79,30 +79,30 @@ android {
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar", "*.aar"])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.3"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.0"
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.0"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.2"
     
-    implementation "androidx.appcompat:appcompat:1.3.0"
+    implementation "androidx.appcompat:appcompat:1.4.0"
-    implementation "androidx.activity:activity-ktx:1.3.0-beta01"
+    implementation "androidx.activity:activity-ktx:1.4.0"
-    implementation "androidx.fragment:fragment-ktx:1.3.4"
+    implementation "androidx.fragment:fragment-ktx:1.4.0"
     implementation "androidx.preference:preference-ktx:1.1.1"
     implementation "androidx.recyclerview:recyclerview:1.2.1"
-    implementation "androidx.constraintlayout:constraintlayout:2.0.4"
+    implementation "androidx.constraintlayout:constraintlayout:2.1.2"
     implementation "androidx.gridlayout:gridlayout:1.0.0"
     implementation "androidx.biometric:biometric:1.1.0"
-    implementation "androidx.work:work-runtime-ktx:2.6.0-beta01"
+    implementation "androidx.work:work-runtime-ktx:2.7.1"
 
     implementation "com.daimajia.swipelayout:library:1.2.0@aar"
 
-    implementation "com.google.android.material:material:1.3.0"
+    implementation "com.google.android.material:material:1.4.0"
 
-    implementation platform('com.google.firebase:firebase-bom:26.5.0')
+    implementation platform('com.google.firebase:firebase-bom:29.0.3')
     implementation "com.google.firebase:firebase-analytics-ktx"
     implementation "com.google.firebase:firebase-crashlytics-ktx"
     implementation "com.google.firebase:firebase-perf-ktx"
 
     implementation "com.google.android.gms:play-services-oss-licenses:17.0.0"
-    implementation "com.google.android.gms:play-services-mlkit-face-detection:16.1.7"
+    implementation "com.google.android.gms:play-services-mlkit-face-detection:16.2.1"
 
     implementation "com.github.clans:fab:1.6.4"
 
@@ -129,12 +129,13 @@ dependencies {
 
     implementation "com.google.guava:guava:31.0.1-android"
 
-    implementation "xyz.quaver:documentfilex:0.7.1"
+    implementation "xyz.quaver:documentfilex:0.7.2"
     implementation "xyz.quaver:floatingsearchview:1.1.7"
 
-    testImplementation "junit:junit:4.13.1"
+    testImplementation "junit:junit:4.13.2"
-    androidTestImplementation "androidx.test.ext:junit:1.1.2"
+    testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.0"
-    androidTestImplementation "androidx.test:rules:1.3.0"
+    androidTestImplementation "androidx.test.ext:junit:1.1.3"
-    androidTestImplementation "androidx.test:runner:1.3.0"
+    androidTestImplementation "androidx.test:rules:1.4.0"
-    androidTestImplementation "androidx.test.espresso:espresso-core:3.3.0"
+    androidTestImplementation "androidx.test:runner:1.4.0"
+    androidTestImplementation "androidx.test.espresso:espresso-core:3.4.0"
 }

app/release/output-metadata.json

@@ -1,5 +1,5 @@
 {
-  "version": 2,
+  "version": 3,
   "artifactType": {
     "type": "APK",
     "kind": "Directory"
@@ -10,9 +10,11 @@
     {
       "type": "SINGLE",
       "filters": [],
+      "attributes": [],
       "versionCode": 69,
-      "versionName": "5.1.32",
+      "versionName": "5.2.8",
       "outputFile": "app-release.apk"
     }
-  ]
+  ],
+  "elementType": "File"
 }

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

@@ -21,15 +21,14 @@
 package xyz.quaver.pupil
 
 import android.util.Log
-import android.webkit.WebView
+import android.webkit.*
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
-import kotlinx.coroutines.MainScope
+import kotlinx.coroutines.*
-import kotlinx.coroutines.launch
+import org.junit.Before
-import kotlinx.coroutines.runBlocking
-import kotlinx.coroutines.withContext
 import org.junit.Test
 import org.junit.runner.RunWith
+import xyz.quaver.pupil.hitomi.*
 
 /**
  * Instrumented test, which will execute on an Android device.
@@ -38,22 +37,95 @@ import org.junit.runner.RunWith
  */
 @RunWith(AndroidJUnit4::class)
 class ExampleInstrumentedTest {
-
+    @Before
-    @Test
+    fun init() {
-    fun useAppContext() {
-        // Context of the app under test.
         val appContext = InstrumentationRegistry.getInstrumentation().targetContext
 
         runBlocking {
-            MainScope().launch {
+            withContext(Dispatchers.Main) {
-                val webView = WebView(appContext).apply {
+                webView = WebView(appContext).apply {
                     settings.javaScriptEnabled = true
+
+                    addJavascriptInterface(object {
+                        @JavascriptInterface
+                        fun onResult(uid: String, result: String) {
+                            _webViewFlow.tryEmit(uid to result)
+                        }
+                    }, "Callback")
+
+                    loadDataWithBaseURL(
+                        "https://hitomi.la/",
+                        """
+                            <script src="https://ltn.hitomi.la/jquery.min.js"></script>
+                            <script src="https://ltn.hitomi.la/common.js"></script>
+                            <script src="https://ltn.hitomi.la/search.js"></script>
+                            <script src="https://ltn.hitomi.la/searchlib.js"></script>
+                            <script src="https://ltn.hitomi.la/results.js></script>
+                        """.trimIndent(),
+                        "text/html",
+                        null,
+                        null
+                    )
                 }
-                webView.evaluateJavascript("3") {
+            }
-                    Log.d("PUPILD", it)
+        }
-                }
+    }
-                Log.d("PUPILD", "SYNC?")
+
-            }.join()
+    @Test
+    fun test_getGalleryIDsFromNozomi() {
+        runBlocking {
+            val result = getGalleryIDsFromNozomi(null, "index", "all")
+
+            Log.d("PUPILD", "getGalleryIDsFromNozomi: ${result.size}")
+        }
+    }
+
+    @Test
+    fun test_getGalleryIDsForQuery() {
+        runBlocking {
+            val result = getGalleryIDsForQuery("female:crotch tattoo")
+
+            Log.d("PUPILD", "getGalleryIDsForQuery: ${result.size}")
+        }
+    }
+
+    @Test
+    fun test_getSuggestionsForQuery() {
+        runBlocking {
+            val result = getSuggestionsForQuery("fem")
+
+            Log.d("PUPILD", "getSuggestionsForQuery: ${result.size}")
+        }
+    }
+
+    @Test
+    fun test_urlFromUrlFromHash() {
+        runBlocking {
+            val galleryInfo = getGalleryInfo(2102416)
+
+            val result = galleryInfo.files.map {
+                imageUrlFromImage(2102416, it, false)
+            }
+
+            Log.d("PUPILD", result.toString())
+        }
+    }
+
+    @Test
+    fun test_getGalleryInfo() {
+        runBlocking {
+            val galleryInfo = getGalleryInfo(2102416)
+
+            Log.d("PUPILD", galleryInfo.toString())
+        }
+    }
+
+    @Test
+    fun test_getGalleryBlock() {
+        runBlocking {
+            val block = getGalleryBlock(2102731)
+
+            Log.d("PUPILD", block.toString())
         }
     }
 }

app/src/main/AndroidManifest.xml

@@ -59,7 +59,8 @@
         <activity
             android:name=".ui.ReaderActivity"
             android:configChanges="keyboardHidden|orientation|screenSize"
-            android:parentActivityName=".ui.MainActivity">
+            android:parentActivityName=".ui.MainActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
 
@@ -223,7 +224,8 @@
         <activity
             android:name=".ui.MainActivity"
             android:configChanges="keyboardHidden|orientation|screenSize"
-            android:theme="@style/NoActionBarAppTheme">
+            android:theme="@style/NoActionBarAppTheme"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <action android:name="android.intent.action.VIEW" />

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

@@ -25,9 +25,12 @@ 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.webkit.WebView
+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
@@ -37,14 +40,17 @@ import com.google.android.gms.common.GooglePlayServicesNotAvailableException
 import com.google.android.gms.common.GooglePlayServicesRepairableException
 import com.google.android.gms.security.ProviderInstaller
 import com.google.firebase.crashlytics.FirebaseCrashlytics
-import okhttp3.Dispatcher
+import kotlinx.coroutines.*
-import okhttp3.Interceptor
+import kotlinx.coroutines.channels.BufferOverflow
-import okhttp3.OkHttpClient
+import kotlinx.coroutines.flow.MutableSharedFlow
-import okhttp3.Response
+import kotlinx.coroutines.flow.asSharedFlow
+import okhttp3.*
 import xyz.quaver.io.FileX
+import xyz.quaver.pupil.hitomi.evaluationContext
 import xyz.quaver.pupil.types.Tag
 import xyz.quaver.pupil.util.*
 import java.io.File
+import java.net.URL
 import java.util.*
 import java.util.concurrent.Executors
 import java.util.concurrent.TimeUnit
@@ -73,6 +79,76 @@ val client: OkHttpClient
 
 @SuppressLint("StaticFieldLeak")
 lateinit var webView: WebView
+val _webViewFlow = MutableSharedFlow<Pair<String, String?>>(
+    extraBufferCapacity = 2,
+    onBufferOverflow = BufferOverflow.DROP_OLDEST
+)
+val webViewFlow = _webViewFlow.asSharedFlow()
+var webViewReady = false
+    private set
+var webViewFailed = false
+    private set
+private var reloadJob: Job? = null
+
+fun reloadWebView() {
+    if (reloadJob?.isActive == true) return
+
+    reloadJob = CoroutineScope(Dispatchers.IO).launch {
+        webViewReady = false
+        webViewFailed = false
+
+        evaluationContext.cancelChildren()
+
+        runCatching {
+            URL(
+                if (isDebugBuild)
+                    "https://tom5079.github.io/Pupil/hitomi-dev.html"
+                else
+                    "https://tom5079.github.io/Pupil/hitomi.html"
+            ).readText()
+        }.onFailure {
+            webViewFailed = true
+        }.getOrNull()?.let { html ->
+            launch(Dispatchers.Main) {
+                webView.loadDataWithBaseURL(
+                    "https://hitomi.la/",
+                    html,
+                    "text/html",
+                    null,
+                    null
+                )
+            }
+        }
+    }
+}
+
+private var htmlVersion: String = ""
+fun reloadWhenFailedOrUpdate() = CoroutineScope(Dispatchers.Default).launch {
+    while (true) {
+        if (
+            webViewFailed ||
+            runCatching {
+                URL(
+                    if (isDebugBuild)
+                        "https://tom5079.github.io/Pupil/hitomi-dev.html.ver"
+                    else
+                        "https://tom5079.github.io/Pupil/hitomi.html.ver"
+                ).readText()
+            }.getOrNull().let { version ->
+                (!version.isNullOrEmpty() && version != htmlVersion).also {
+                    if (it) htmlVersion = version!!
+                }
+            }
+        ) {
+            reloadWebView()
+        }
+
+        delay(if (webViewReady && !webViewFailed) 10000 else 1000)
+    }
+}
+
+var isDebugBuild: Boolean = false
+lateinit var userAgent: String
 
 class Pupil : Application() {
 
@@ -84,13 +160,64 @@ class Pupil : Application() {
     @SuppressLint("SetJavaScriptEnabled")
     override fun onCreate() {
         instance = this
+        isDebugBuild = applicationInfo.flags and ApplicationInfo.FLAG_DEBUGGABLE != 0
+
+        if (isDebugBuild) WebView.setWebContentsDebuggingEnabled(true)
 
         webView = WebView(this).apply {
-            settings.javaScriptEnabled = true
+            with (settings) {
+                javaScriptEnabled = true
+                domStorageEnabled = true
+            }
 
-            loadData("""<script src="https://ltn.hitomi.la/gg.js"></script>""", "text/html", null)
+            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) {
+                    _webViewFlow.tryEmit(uid to result)
+                }
+                @JavascriptInterface
+                fun onError(uid: String, message: String) {
+                    _webViewFlow.tryEmit(uid to null)
+                    Toast.makeText(this@Pupil, message, Toast.LENGTH_LONG).show()
+                    FirebaseCrashlytics.getInstance().recordException(
+                        Exception(message)
+                    )
+                }
+            }, "Callback")
         }
 
+        reloadWhenFailedOrUpdate()
+
         AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
 
         preferences = PreferenceManager.getDefaultSharedPreferences(this)
@@ -109,7 +236,10 @@ class Pupil : Application() {
             .readTimeout(0, TimeUnit.SECONDS)
             .proxyInfo(proxyInfo)
             .addInterceptor { chain ->
-                val request = chain.request()
+                val request = chain.request().newBuilder()
+                    .header("User-Agent", userAgent)
+                    .build()
+
                 val tag = request.tag() ?: return@addInterceptor chain.proceed(request)
 
                 interceptors[tag::class]?.invoke(chain) ?: chain.proceed(request)
@@ -122,7 +252,7 @@ class Pupil : Application() {
 
         try {
             Preferences.get<String>("download_folder").also {
-                if (it.startsWith("content") && Build.VERSION.SDK_INT > 19)
+                if (it.startsWith("content://"))
                     contentResolver.takePersistableUriPermission(
                         Uri.parse(it),
                         Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION

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

@@ -53,13 +53,4 @@ fun URL.readText(settings: HeaderSetter? = null): String {
         }.build()
     
     return client.newCall(request).execute().also{ if (it.code() != 200) throw IOException() }.body()?.use { it.string() } ?: throw IOException()
-}
-
-fun URL.readBytes(settings: HeaderSetter? = null): ByteArray {
-    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.bytes() } ?: throw IOException()
 }

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

@@ -16,145 +16,117 @@
 
 package xyz.quaver.pupil.hitomi
 
-import android.annotation.SuppressLint
 import android.util.Log
 import android.webkit.WebView
-import android.webkit.WebViewClient
+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
+import kotlinx.coroutines.flow.transformWhile
+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.Pupil
+import xyz.quaver.pupil.*
-import xyz.quaver.pupil.webView
+import java.util.*
-import xyz.quaver.readText
+import java.util.concurrent.ConcurrentHashMap
-import java.net.URL
+import kotlin.coroutines.resume
-import java.nio.charset.Charset
+import kotlin.coroutines.suspendCoroutine
 
 const val protocol = "https:"
 
+val evaluationContext = Dispatchers.Main + Job()
+
+suspend fun WebView.evaluate(script: String): String = coroutineScope {
+    var result: String? = null
+
+    while (result == null) {
+        try {
+            result = withContext(evaluationContext) {
+                while (webViewFailed || !webViewReady) yield()
+
+                suspendCoroutine { continuation ->
+                    evaluateJavascript(script) {
+                        continuation.resume(it)
+                    }
+                }
+
+            }
+        } catch (e: CancellationException) {
+            continue
+        }
+    }
+
+    result
+}
+
+@OptIn(ExperimentalCoroutinesApi::class)
+suspend fun WebView.evaluatePromise(
+    script: String,
+    then: String = ".then(result => Callback.onResult(%uid, JSON.stringify(result))).catch(err => Callback.onError(%uid, JSON.stringify(error)))"
+): String? = coroutineScope {
+    var result: String? = null
+
+    while (result == null) {
+        try {
+            result = withContext(evaluationContext) {
+                while (webViewFailed || !webViewReady) yield()
+
+                val uid = UUID.randomUUID().toString()
+
+                evaluateJavascript((script + then).replace("%uid", "'$uid'"), null)
+
+                val flow: Flow<Pair<String, String?>> = webViewFlow.transformWhile { (currentUid, result) ->
+                    if (currentUid == uid) {
+                        emit(currentUid to result)
+                    }
+                    currentUid != uid
+                }
+
+                flow.first().second
+            }
+        } catch (e: CancellationException) {
+            continue
+        }
+    }
+
+    result
+}
+
 @Suppress("EXPERIMENTAL_API_USAGE")
-fun getGalleryInfo(galleryID: Int) =
+suspend fun getGalleryInfo(galleryID: Int): GalleryInfo {
-    json.decodeFromString<GalleryInfo>(
+    val result = webView.evaluatePromise("get_gallery_info($galleryID)")
-        URL("$protocol//$domain/galleries/$galleryID.js").readText()
+
-            .replace("var galleryinfo = ", "")
+    return json.decodeFromString(result!!)
-    )
+}
 
 //common.js
 const val domain = "ltn.hitomi.la"
-const val galleryblockextension = ".html"
 const val galleryblockdir = "galleryblock"
 const val nozomiextension = ".nozomi"
 
-@SuppressLint("SetJavaScriptEnabled")
+val String?.js: String
-interface gg {
+    get() = if (this == null) "null" else "'$this'"
-    fun m(g: Int): Int
-    val b: String
-    fun s(h: String): String
 
-    companion object {
+@OptIn(ExperimentalSerializationApi::class)
-        @Volatile private var instance: gg? = null
+suspend fun urlFromUrlFromHash(galleryID: Int, image: GalleryFiles, dir: String? = null, ext: String? = null, base: String? = null): String {
+    val result = webView.evaluate(
+        """
+        url_from_url_from_hash(
+            ${galleryID.toString().js},
+            ${Json.encodeToString(image)},
+            ${dir.js}, ${ext.js}, ${base.js}
+        )
+        """.trimIndent()
+    )
 
-        fun getInstance(): gg =
+    return Json.decodeFromString(result)
-            instance ?: synchronized(this) {
-                instance ?: object: gg {
-                    override fun m(g: Int): Int {
-                        var result: Int? = null
-
-                        MainScope().launch {
-                            while (webView.progress != 100) delay(100)
-                            webView.evaluateJavascript("gg.m($g)") {
-                                result = it.toInt()
-                            }
-                        }
-
-                        while (result == null) Thread.sleep(100)
-
-                        return result!!
-                    }
-
-                    override val b: String
-                        get() {
-                            var result: String? = null
-
-                            MainScope().launch {
-                                while (webView.progress != 100) delay(100)
-                                webView.evaluateJavascript("gg.b") {
-                                    result = it.replace("\"", "")
-                                }
-                            }
-
-                            while (result == null) Thread.sleep(100)
-
-                            return result!!
-                        }
-
-                    override fun s(h: String): String {
-                        var result: String? = null
-
-                        MainScope().launch {
-                            while (webView.progress != 100) delay(100)
-                            webView.evaluateJavascript("gg.s('$h')") {
-                                result = it.replace("\"", "")
-                            }
-                        }
-
-                        while (result == null) Thread.sleep(100)
-
-                        return result!!
-                    }
-                }.also { instance = it }
-            }
-    }
 }
 
-fun subdomainFromURL(url: String, base: String? = null) : String {
+suspend fun imageUrlFromImage(galleryID: Int, image: GalleryFiles, noWebp: Boolean) : String {
-    var retval = "b"
-
-    if (!base.isNullOrBlank())
-        retval = base
-
-    val b = 16
-
-    val r = Regex("""/[0-9a-f]{61}([0-9a-f]{2})([0-9a-f])""")
-    val m = r.find(url) ?: return "a"
-
-    val g = m.groupValues.let { it[2]+it[1] }.toIntOrNull(b)
-
-    if (g != null) {
-        retval = (97+ gg.getInstance().m(g)).toChar().toString() + retval
-    }
-
-    return retval
-}
-
-fun urlFromUrl(url: String, base: String? = null) : String {
-    return url.replace(Regex("""//..?\.hitomi\.la/"""), "//${subdomainFromURL(url, base)}.hitomi.la/")
-}
-
-
-fun fullPathFromHash(hash: String) : String =
-    "${gg.getInstance().b}${gg.getInstance().s(hash)}/$hash"
-
-fun realFullPathFromHash(hash: String): String =
-    hash.replace(Regex("""^.*(..)(.)$"""), "$2/$1/$hash")
-
-fun urlFromHash(galleryID: Int, image: GalleryFiles, dir: String? = null, ext: String? = null) : String {
-    val ext = ext ?: dir ?: image.name.takeLastWhile { it != '.' }
-    val dir = dir ?: "images"
-    return "https://a.hitomi.la/$dir/${fullPathFromHash(image.hash)}.$ext"
-}
-
-fun urlFromUrlFromHash(galleryID: Int, image: GalleryFiles, dir: String? = null, ext: String? = null, base: String? = null) =
-    if (base == "tn")
-        urlFromUrl("https://a.hitomi.la/$dir/${realFullPathFromHash(image.hash)}.$ext", base)
-    else
-        urlFromUrl(urlFromHash(galleryID, image, dir, ext), base)
-
-fun rewriteTnPaths(html: String) =
-    html.replace(Regex("""//tn\.hitomi\.la/[^/]+/[0-9a-f]/[0-9a-f]{2}/[0-9a-f]{64}""")) { url ->
-        urlFromUrl(url.value, "tn")
-    }
-
-fun imageUrlFromImage(galleryID: Int, image: GalleryFiles, noWebp: Boolean) : String {
     return when {
         noWebp ->
             urlFromUrlFromHash(galleryID, image)

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

@@ -37,7 +37,7 @@ data class Gallery(
     val tags: List<String>,
     val thumbnails: List<String>
 )
-fun getGallery(galleryID: Int) : Gallery {
+suspend fun getGallery(galleryID: Int) : Gallery {
     val url = Jsoup.parse(URL("https://hitomi.la/galleries/$galleryID.html").readText())
         .select("link").attr("href")
 

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

@@ -18,6 +18,7 @@ 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
@@ -26,42 +27,6 @@ import java.nio.ByteOrder
 import java.util.*
 import javax.net.ssl.HttpsURLConnection
 
-//galleryblock.js
-fun fetchNozomi(area: String? = null, tag: String = "index", language: String = "all", start: Int = -1, count: Int = -1) : Pair<List<Int>, Int> {
-    val url =
-            when(area) {
-                null -> "$protocol//$domain/$tag-$language$nozomiextension"
-                else -> "$protocol//$domain/$area/$tag-$language$nozomiextension"
-            }
-
-    with(URL(url).openConnection() as HttpsURLConnection) {
-        requestMethod = "GET"
-
-        if (start != -1 && count != -1) {
-            val startByte = start*4
-            val endByte = (start+count)*4-1
-
-            setRequestProperty("Range", "bytes=$startByte-$endByte")
-        }
-
-        connect()
-
-        val totalItems = getHeaderField("Content-Range")
-            .replace(Regex("^[Bb]ytes \\d+-\\d+/"), "").toInt() / 4
-
-        val nozomi = ArrayList<Int>()
-
-        val arrayBuffer = ByteBuffer
-            .wrap(inputStream.readBytes())
-            .order(ByteOrder.BIG_ENDIAN)
-
-        while (arrayBuffer.hasRemaining())
-            nozomi.add(arrayBuffer.int)
-
-        return Pair(nozomi, totalItems)
-    }
-}
-
 @Serializable
 data class GalleryBlock(
     val id: Int,
@@ -75,10 +40,21 @@ data class GalleryBlock(
     val relatedTags: List<String>
 )
 
-fun getGalleryBlock(galleryID: Int) : GalleryBlock {
+suspend fun getGalleryBlock(galleryID: Int) : GalleryBlock {
     val url = "$protocol//$domain/$galleryblockdir/$galleryID$extension"
 
-    val doc = Jsoup.parse(rewriteTnPaths(URL(url).readText()))
+    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")
 
@@ -100,6 +76,4 @@ fun getGalleryBlock(galleryID: Int) : GalleryBlock {
     }
 
     return GalleryBlock(galleryID, galleryUrl, thumbnails, title, artists, series, type, language, relatedTags)
-}
+}
-
-fun getGalleryBlockOrNull(galleryID: Int) = runCatching { getGalleryBlock(galleryID) }.getOrNull()

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

@@ -44,6 +44,6 @@ data class GalleryFiles(
 
 //Set header `Referer` to reader url to avoid 403 error
 @Deprecated("", replaceWith = ReplaceWith("getGalleryInfo"))
-fun getReader(galleryID: Int) : GalleryInfo {
+suspend fun getReader(galleryID: Int) : GalleryInfo {
    return getGalleryInfo(galleryID)
 }

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

@@ -16,13 +16,10 @@
 
 package xyz.quaver.pupil.hitomi
 
-import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.*
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.async
-import kotlinx.coroutines.runBlocking
 import java.util.*
 
-fun doSearch(query: String, sortByPopularity: Boolean = false) : Set<Int> {
+suspend fun doSearch(query: String, sortByPopularity: Boolean = false) : Set<Int> = coroutineScope {
     val terms = query
         .trim()
         .replace(Regex("""^\?"""), "")
@@ -43,16 +40,16 @@ fun doSearch(query: String, sortByPopularity: Boolean = false) : Set<Int> {
     }
 
     val positiveResults = positiveTerms.map {
-        CoroutineScope(Dispatchers.IO).async {
+        async {
-            kotlin.runCatching {
+            runCatching {
                 getGalleryIDsForQuery(it)
             }.getOrElse { emptySet() }
         }
     }
 
     val negativeResults = negativeTerms.map {
-        CoroutineScope(Dispatchers.IO).async {
+        async {
-            kotlin.runCatching {
+            runCatching {
                 getGalleryIDsForQuery(it)
             }.getOrElse { emptySet() }
         }
@@ -64,28 +61,26 @@ fun doSearch(query: String, sortByPopularity: Boolean = false) : Set<Int> {
         else -> emptySet()
     }
 
-    runBlocking {
+    fun filterPositive(newResults: Set<Int>) {
-        @Synchronized fun filterPositive(newResults: Set<Int>) {
+        results = when {
-            results = when {
+            results.isEmpty() -> newResults
-                results.isEmpty() -> newResults
+            else -> results intersect newResults
-                else -> results intersect newResults
-            }
-        }
-
-        @Synchronized fun filterNegative(newResults: Set<Int>) {
-            results = results subtract newResults
-        }
-
-        //positive results
-        positiveResults.forEach {
-            filterPositive(it.await())
-        }
-
-        //negative results
-        negativeResults.forEach {
-            filterNegative(it.await())
         }
     }
 
-    return results
+    fun filterNegative(newResults: Set<Int>) {
+        results = results subtract newResults
+    }
+
+    //positive results
+    positiveResults.forEach {
+        filterPositive(it.await())
+    }
+
+    //negative results
+    negativeResults.forEach {
+        filterNegative(it.await())
+    }
+
+    results
 }

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

@@ -16,315 +16,35 @@
 
 package xyz.quaver.pupil.hitomi
 
-import okhttp3.Request
+import kotlinx.serialization.ExperimentalSerializationApi
-import xyz.quaver.pupil.client
+import kotlinx.serialization.Serializable
-import xyz.quaver.readBytes
+import kotlinx.serialization.decodeFromString
-import xyz.quaver.readText
+import kotlinx.serialization.json.Json
-import java.net.URL
+import xyz.quaver.pupil.webView
-import java.nio.ByteBuffer
-import java.nio.ByteOrder
-import java.security.MessageDigest
-import kotlin.math.min
 
 //searchlib.js
-const val separator = "-"
 const val extension = ".html"
-const val index_dir = "tagindex"
-const val galleries_index_dir = "galleriesindex"
-const val max_node_size = 464
-const val B = 16
-const val compressed_nozomi_prefix = "n"
 
-val tag_index_version: String by lazy { getIndexVersion("tagindex") }
+@OptIn(ExperimentalSerializationApi::class)
-val galleries_index_version: String by lazy { getIndexVersion("galleriesindex") }
+suspend fun getGalleryIDsForQuery(query: String) : Set<Int> {
+    val result = webView.evaluatePromise("get_galleryids_for_query('$query')") ?: return emptySet()
 
-fun sha256(data: ByteArray) : ByteArray {
+    return Json.decodeFromString(result)
-    return MessageDigest.getInstance("SHA-256").digest(data)
-}
-
-@OptIn(ExperimentalUnsignedTypes::class)
-fun hashTerm(term: String) : UByteArray {
-    return sha256(term.toByteArray()).toUByteArray().sliceArray(0 until 4)
-}
-
-fun sanitize(input: String) : String {
-    return input.replace(Regex("[/#]"), "")
-}
-
-fun getIndexVersion(name: String) =
-        URL("$protocol//$domain/$name/version?_=${System.currentTimeMillis()}").readText()
-
-//search.js
-fun getGalleryIDsForQuery(query: String) : Set<Int> {
-    query.replace("_", " ").let {
-        if (it.indexOf(':') > -1) {
-            val sides = it.split(":")
-            val ns = sides[0]
-            var tag = sides[1]
-
-            var area : String? = ns
-            var language = "all"
-            when (ns) {
-                "female", "male" -> {
-                    area = "tag"
-                    tag = it
-                }
-                "language" -> {
-                    area = null
-                    language = tag
-                    tag = "index"
-                }
-            }
-
-            return getGalleryIDsFromNozomi(area, tag, language)
-        }
-
-        val key = hashTerm(it)
-        val field = "galleries"
-
-        val node = getNodeAtAddress(field, 0) ?: return emptySet()
-
-        val data = bSearch(field, key, node)
-
-        if (data != null)
-            return getGalleryIDsFromData(data)
-
-        return emptySet()
-    }
-}
-
-fun getSuggestionsForQuery(query: String) : List<Suggestion> {
-    query.replace('_', ' ').let {
-        var field = "global"
-        var term = it
-
-        if (term.indexOf(':') > -1) {
-            val sides = it.split(':')
-            field = sides[0]
-            term = sides[1]
-        }
-
-        val key = hashTerm(term)
-        val node = getNodeAtAddress(field, 0) ?: return emptyList()
-        val data = bSearch(field, key, node)
-
-        if (data != null)
-            return getSuggestionsFromData(field, data)
-
-        return emptyList()
-    }
 }
 
+@Serializable
 data class Suggestion(val s: String, val t: Int, val u: String, val n: String)
-fun getSuggestionsFromData(field: String, data: Pair<Long, Int>) : List<Suggestion> {
-    val url = "$protocol//$domain/$index_dir/$field.$tag_index_version.data"
-    val (offset, length) = data
-    if (length > 10000 || length <= 0)
-        throw Exception("length $length is too long")
 
-    val inbuf = getURLAtRange(url, offset.until(offset+length))
+@OptIn(ExperimentalSerializationApi::class)
+suspend fun getSuggestionsForQuery(query: String) : List<Suggestion> {
+    val result = webView.evaluatePromise("get_suggestions_for_query('$query')") ?: return emptyList()
 
-    val suggestions = ArrayList<Suggestion>()
+    return Json.decodeFromString<List<List<Suggestion>?>>(result)[0] ?: return emptyList()
-
-    val buffer = ByteBuffer
-        .wrap(inbuf)
-        .order(ByteOrder.BIG_ENDIAN)
-    val numberOfSuggestions = buffer.int
-
-    if (numberOfSuggestions > 100 || numberOfSuggestions <= 0)
-        throw Exception("number of suggestions $numberOfSuggestions is too long")
-
-    for (i in 0.until(numberOfSuggestions)) {
-        var top = buffer.int
-
-        val ns = inbuf.sliceArray(buffer.position().until(buffer.position()+top)).toString(charset("UTF-8"))
-        buffer.position(buffer.position()+top)
-
-        top = buffer.int
-
-        val tag = inbuf.sliceArray(buffer.position().until(buffer.position()+top)).toString(charset("UTF-8"))
-        buffer.position(buffer.position()+top)
-
-        val count = buffer.int
-
-        val tagname = sanitize(tag)
-        val u =
-                when(ns) {
-                    "female", "male" -> "/tag/$ns:$tagname${separator}1$extension"
-                    "language" -> "/index-$tagname${separator}1$extension"
-                    else -> "/$ns/$tagname${separator}all${separator}1$extension"
-                }
-
-        suggestions.add(Suggestion(tag, count, u, ns))
-    }
-
-    return suggestions
 }
 
-fun getGalleryIDsFromNozomi(area: String?, tag: String, language: String) : Set<Int> {
+@OptIn(ExperimentalSerializationApi::class)
-    val nozomiAddress =
+suspend fun getGalleryIDsFromNozomi(area: String?, tag: String, language: String) : Set<Int> {
-            when(area) {
+    val jsArea = if (area == null) "null" else "'$area'"
-                null -> "$protocol//$domain/$compressed_nozomi_prefix/$tag-$language$nozomiextension"
-                else -> "$protocol//$domain/$compressed_nozomi_prefix/$area/$tag-$language$nozomiextension"
-            }
 
-    val bytes = try {
+    return Json.decodeFromString(webView.evaluatePromise("""get_galleryids_from_nozomi($jsArea, '$tag', '$language')""") ?: return emptySet())
-        URL(nozomiAddress).readBytes()
-    } catch (e: Exception) {
-        return emptySet()
-    }
-
-    val nozomi = mutableSetOf<Int>()
-
-    val arrayBuffer = ByteBuffer
-        .wrap(bytes)
-        .order(ByteOrder.BIG_ENDIAN)
-
-    while (arrayBuffer.hasRemaining())
-        nozomi.add(arrayBuffer.int)
-
-    return nozomi
-}
-
-fun getGalleryIDsFromData(data: Pair<Long, Int>) : Set<Int> {
-    val url = "$protocol//$domain/$galleries_index_dir/galleries.$galleries_index_version.data"
-    val (offset, length) = data
-    if (length > 100000000 || length <= 0)
-        throw Exception("length $length is too long")
-
-    val inbuf = getURLAtRange(url, offset.until(offset+length))
-
-    val galleryIDs = mutableSetOf<Int>()
-
-    val buffer = ByteBuffer
-        .wrap(inbuf)
-        .order(ByteOrder.BIG_ENDIAN)
-
-    val numberOfGalleryIDs = buffer.int
-
-    val expectedLength = numberOfGalleryIDs*4+4
-
-    if (numberOfGalleryIDs > 10000000 || numberOfGalleryIDs <= 0)
-        throw Exception("number_of_galleryids $numberOfGalleryIDs is too long")
-    else if (inbuf.size != expectedLength)
-        throw Exception("inbuf.byteLength ${inbuf.size} != expected_length $expectedLength")
-
-    for (i in 0.until(numberOfGalleryIDs))
-        galleryIDs.add(buffer.int)
-
-    return galleryIDs
-}
-
-fun getNodeAtAddress(field: String, address: Long) : Node? {
-    val url =
-            when(field) {
-                "galleries" -> "$protocol//$domain/$galleries_index_dir/galleries.$galleries_index_version.index"
-                "languages" -> "$protocol//$domain/$galleries_index_dir/languages.$galleries_index_version.index"
-                "nozomiurl" -> "$protocol//$domain/$galleries_index_dir/nozomiurl.$galleries_index_version.index"
-                else -> "$protocol//$domain/$index_dir/$field.$tag_index_version.index"
-            }
-
-    val nodedata = getURLAtRange(url, address.until(address+max_node_size))
-
-    return decodeNode(nodedata)
-}
-
-fun getURLAtRange(url: String, range: LongRange) : ByteArray {
-    val request = Request.Builder()
-        .url(url)
-        .header("Range", "bytes=${range.first}-${range.last}")
-        .build()
-    
-    return client.newCall(request).execute().body()?.use { it.bytes() } ?: byteArrayOf()
-}
-
-@OptIn(ExperimentalUnsignedTypes::class)
-data class Node(val keys: List<UByteArray>, val datas: List<Pair<Long, Int>>, val subNodeAddresses: List<Long>)
-@OptIn(ExperimentalUnsignedTypes::class)
-fun decodeNode(data: ByteArray) : Node {
-    val buffer = ByteBuffer
-        .wrap(data)
-        .order(ByteOrder.BIG_ENDIAN)
-
-    val uData = data.toUByteArray()
-
-    val numberOfKeys = buffer.int
-    val keys = ArrayList<UByteArray>()
-
-    for (i in 0.until(numberOfKeys)) {
-        val keySize = buffer.int
-
-        if (keySize == 0 || keySize > 32)
-            throw Exception("fatal: !keySize || keySize > 32")
-
-        keys.add(uData.sliceArray(buffer.position().until(buffer.position()+keySize)))
-        buffer.position(buffer.position()+keySize)
-    }
-
-    val numberOfDatas = buffer.int
-    val datas = ArrayList<Pair<Long, Int>>()
-
-    for (i in 0.until(numberOfDatas)) {
-        val offset = buffer.long
-        val length = buffer.int
-
-        datas.add(Pair(offset, length))
-    }
-
-    val numberOfSubNodeAddresses = B+1
-    val subNodeAddresses = ArrayList<Long>()
-
-    for (i in 0.until(numberOfSubNodeAddresses)) {
-        val subNodeAddress = buffer.long
-        subNodeAddresses.add(subNodeAddress)
-    }
-
-    return Node(keys, datas, subNodeAddresses)
-}
-
-@OptIn(ExperimentalUnsignedTypes::class)
-fun bSearch(field: String, key: UByteArray, node: Node) : Pair<Long, Int>? {
-    fun compareArrayBuffers(dv1: UByteArray, dv2: UByteArray) : Int {
-        val top = min(dv1.size, dv2.size)
-
-        for (i in 0.until(top)) {
-            if (dv1[i] < dv2[i])
-                return -1
-            else if (dv1[i] > dv2[i])
-                return 1
-        }
-
-        return 0
-    }
-
-    fun locateKey(key: UByteArray, node: Node) : Pair<Boolean, Int> {
-        for (i in node.keys.indices) {
-            val cmpResult = compareArrayBuffers(key, node.keys[i])
-
-            if (cmpResult <= 0)
-                return Pair(cmpResult==0, i)
-        }
-
-        return Pair(false, node.keys.size)
-    }
-
-    fun isLeaf(node: Node) : Boolean {
-        for (subnode in node.subNodeAddresses)
-            if (subnode != 0L)
-                return false
-
-        return true
-    }
-
-    if (node.keys.isEmpty())
-        return null
-
-    val (there, where) = locateKey(key, node)
-    if (there)
-        return node.datas[where]
-    else if (isLeaf(node))
-        return null
-
-    val nextNode = getNodeAtAddress(field, node.subNodeAddresses[where]) ?: return null
-    return bSearch(field, key, nextNode)
 }

app/src/main/java/xyz/quaver/pupil/receiver/UpdateBroadcastReceiver.kt

@@ -24,6 +24,7 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
+import android.os.Build
 import android.webkit.MimeTypeMap
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
@@ -76,7 +77,7 @@ class UpdateBroadcastReceiver : BroadcastReceiver() {
                 val pendingIntent = PendingIntent.getActivity(context, 0, Intent(Intent.ACTION_VIEW).apply {
                     flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_ACTIVITY_NEW_TASK
                     setDataAndType(uri, MimeTypeMap.getSingleton().getMimeTypeFromExtension("apk"))
-                }, 0)
+                }, if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) PendingIntent.FLAG_IMMUTABLE else 0)
 
                 val notification = NotificationCompat.Builder(context, "update")
                     .setSmallIcon(android.R.drawable.stat_sys_download_done)

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

@@ -23,6 +23,7 @@ import android.app.PendingIntent
 import android.app.Service
 import android.content.Context
 import android.content.Intent
+import android.os.Build
 import android.util.Log
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
@@ -41,12 +42,9 @@ import okhttp3.ResponseBody
 import okio.*
 import xyz.quaver.pupil.*
 import xyz.quaver.pupil.ui.ReaderActivity
-import xyz.quaver.pupil.util.cleanCache
+import xyz.quaver.pupil.util.*
 import xyz.quaver.pupil.util.downloader.Cache
 import xyz.quaver.pupil.util.downloader.DownloadManager
-import xyz.quaver.pupil.util.ellipsize
-import xyz.quaver.pupil.util.normalizeID
-import xyz.quaver.pupil.util.requestBuilders
 import java.io.IOException
 import java.util.concurrent.ConcurrentHashMap
 import kotlin.math.ceil
@@ -77,7 +75,7 @@ class DownloadService : Service() {
 
         val pendingIntent = TaskStackBuilder.create(this).run {
             addNextIntentWithParentStack(intent)
-            getPendingIntent(galleryID, PendingIntent.FLAG_UPDATE_CURRENT)
+            getPendingIntent(galleryID, PendingIntent.FLAG_UPDATE_CURRENT or if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) PendingIntent.FLAG_MUTABLE else 0)
         }
         val action =
             NotificationCompat.Action.Builder(0, getText(android.R.string.cancel),
@@ -87,7 +85,7 @@ class DownloadService : Service() {
                     Intent(this, DownloadService::class.java)
                         .putExtra(KEY_COMMAND, COMMAND_CANCEL)
                         .putExtra(KEY_ID, galleryID),
-                    PendingIntent.FLAG_UPDATE_CURRENT),
+                    PendingIntent.FLAG_UPDATE_CURRENT or if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) PendingIntent.FLAG_MUTABLE else 0),
             ).build()
 
         notification[galleryID] = NotificationCompat.Builder(this, "download").apply {
@@ -357,7 +355,7 @@ class DownloadService : Service() {
             }
         }
 
-        galleryInfo.requestBuilders.forEachIndexed { index, it ->
+        galleryInfo.getRequestBuilders().forEachIndexed { index, it ->
             if (progress[galleryID]?.get(index)?.isInfinite() == false) {
                 val request = it.tag(Tag(galleryID, index, startId)).build()
                 client.newCall(request).enqueue(callback)

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

@@ -25,6 +25,7 @@ import android.os.Build
 import android.os.Bundle
 import android.text.InputType
 import android.text.util.Linkify
+import android.util.Log
 import android.view.KeyEvent
 import android.view.MenuItem
 import android.view.View

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

@@ -161,12 +161,10 @@ class ReaderActivity : BaseActivity() {
         }
     }
 
-    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
         menuInflater.inflate(R.menu.reader, menu)
 
-        with(menu?.findItem(R.id.reader_menu_favorite)) {
+        with(menu.findItem(R.id.reader_menu_favorite)) {
-            this ?: return@with
-
             if (favorites.contains(galleryID))
                 (icon as Animatable).start()
         }

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

@@ -21,6 +21,7 @@ package xyz.quaver.pupil.util.downloader
 import android.content.Context
 import android.content.ContextWrapper
 import android.net.Uri
+import android.util.Log
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -39,6 +40,7 @@ import xyz.quaver.pupil.hitomi.GalleryBlock
 import xyz.quaver.pupil.hitomi.GalleryInfo
 import xyz.quaver.pupil.hitomi.getGalleryBlock
 import xyz.quaver.pupil.hitomi.getGalleryInfo
+import xyz.quaver.pupil.userAgent
 import java.io.File
 import java.io.IOException
 import java.util.concurrent.ConcurrentHashMap
@@ -171,6 +173,7 @@ class Cache private constructor(context: Context, val galleryID: Int) : ContextW
                 kotlin.runCatching {
                     val request = Request.Builder()
                         .url(it)
+                        .header("Referer", "https://hitomi.la/")
                         .build()
 
                     client.newCall(request).execute().also { if (it.code() != 200) throw IOException() }.body()?.use { it.bytes() }

app/src/main/java/xyz/quaver/pupil/util/misc.kt

@@ -19,6 +19,7 @@
 package xyz.quaver.pupil.util
 
 import android.annotation.SuppressLint
+import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.serialization.json.*
 import okhttp3.OkHttpClient
 import okhttp3.Request
@@ -97,18 +98,25 @@ fun GalleryBlock.formatDownloadFolderTest(format: String): String =
         }
     }.replace(Regex("""[*\\|"?><:/]"""), "").ellipsize(127)
 
-val GalleryInfo.requestBuilders: List<Request.Builder>
+suspend fun GalleryInfo.getRequestBuilders(): List<Request.Builder> {
-    get() {
+    val galleryID = this.id ?: 0
-        val galleryID = this.id ?: 0
+    val lowQuality = Preferences["low_quality", true]
-        val lowQuality = Preferences["low_quality", true]
 
-        return this.files.map {
+    return this.files.map {
-            Request.Builder()
+        Request.Builder()
-                .url(imageUrlFromImage(galleryID, it, !lowQuality))
+            .url(
-                .header("Referer", "https://hitomi.la/")
+                runCatching {
-                .header("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36")
+                    imageUrlFromImage(galleryID, it, !lowQuality)
-        }
+                }
+                .onFailure {
+                    FirebaseCrashlytics.getInstance().recordException(it)
+                }
+                .getOrDefault("https://a/")
+            )
+            .header("Referer", "https://hitomi.la/")
+            .header("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36")
     }
+}
 
 fun String.ellipsize(n: Int): String =
     if (this.length > n)

build.gradle

@@ -6,14 +6,14 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.2'
+        classpath 'com.android.tools.build:gradle:7.0.4'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "org.jetbrains.kotlin:kotlin-android-extensions:$kotlin_version"
         classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
-        classpath "com.google.gms:google-services:4.3.8"
+        classpath "com.google.gms:google-services:4.3.10"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
-        classpath "com.google.firebase:firebase-crashlytics-gradle:2.7.0"
+        classpath "com.google.firebase:firebase-crashlytics-gradle:2.8.1"
         classpath "com.google.firebase:perf-plugin:1.4.0"
         classpath "com.google.android.gms:oss-licenses-plugin:0.10.4"
     }

gradle.properties

@@ -20,4 +20,4 @@ kotlin.code.style=official
 android.enableJetifier=true
 android.useAndroidX=true
 
-kotlin_version=1.5.10
+kotlin_version=1.6.10

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-all.zip