From 117d6dcd2b5fee44735edf523297edf5cb0395d5 Mon Sep 17 00:00:00 2001
From: tom5079 <tom5079@naver.com>
Date: Tue, 1 Feb 2022 11:39:26 +0900
Subject: [PATCH] Fuck hitomi

---
 .idea/deploymentTargetDropDown.xml            |  13 +-
 .idea/jarRepositories.xml                     |  10 +
 app/build.gradle                              |  13 +-
 app/release/output-metadata.json              |   2 +-
 .../quaver/pupil/ExampleInstrumentedTest.kt   | 171 ++++++---
 app/src/main/java/xyz/quaver/pupil/Pupil.kt   | 185 +++-------
 .../java/xyz/quaver/pupil/hitomi/common.kt    | 248 ++++++++-----
 .../java/xyz/quaver/pupil/hitomi/galleries.kt |  26 +-
 .../xyz/quaver/pupil/hitomi/galleryblock.kt   |  66 +++-
 .../java/xyz/quaver/pupil/hitomi/reader.kt    |  17 +-
 .../java/xyz/quaver/pupil/hitomi/search.kt    | 329 ++++++++++++++++--
 .../java/xyz/quaver/pupil/ui/MainActivity.kt  |  51 +--
 .../ui/fragment/ManageStorageFragment.kt      |   2 +-
 .../xyz/quaver/pupil/util/downloader/Cache.kt |  32 +-
 .../main/java/xyz/quaver/pupil/util/misc.kt   |   8 +-
 app/src/main/res/values-ja/strings.xml        |   1 -
 app/src/main/res/values-ko/strings.xml        |   1 -
 app/src/main/res/values/strings.xml           |   2 -
 .../main/res/xml/network_security_config.xml  |   3 +
 .../java/xyz/quaver/pupil/ExampleUnitTest.kt  |   7 -
 build.gradle                                  |   1 +
 21 files changed, 743 insertions(+), 445 deletions(-)

diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
index 59037bbf..bcfc24b8 100644
--- a/.idea/deploymentTargetDropDown.xml
+++ b/.idea/deploymentTargetDropDown.xml
@@ -1,6 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="deploymentTargetDropDown">
+    <runningDeviceTargetSelectedWithDropDown>
+      <Target>
+        <type value="RUNNING_DEVICE_TARGET" />
+        <deviceKey>
+          <Key>
+            <type value="VIRTUAL_DEVICE_PATH" />
+            <value value="$USER_HOME$/.android/avd/Pixel_2_API_31.avd" />
+          </Key>
+        </deviceKey>
+      </Target>
+    </runningDeviceTargetSelectedWithDropDown>
     <targetSelectedWithDropDown>
       <Target>
         <type value="QUICK_BOOT_TARGET" />
@@ -12,6 +23,6 @@
         </deviceKey>
       </Target>
     </targetSelectedWithDropDown>
-    <timeTargetWasSelectedWithDropDown value="2022-01-31T00:48:12.732208Z" />
+    <timeTargetWasSelectedWithDropDown value="2022-02-01T02:15:22.286886Z" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
index 65b8e5e1..13afaa32 100644
--- a/.idea/jarRepositories.xml
+++ b/.idea/jarRepositories.xml
@@ -86,5 +86,15 @@
       <option name="name" value="maven2" />
       <option name="url" value="https://oss.sonatype.org/content/repositories/snapshots" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven3" />
+      <option name="name" value="maven3" />
+      <option name="url" value="https://maven.mozilla.org/maven2/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="maven3" />
+      <option name="name" value="maven3" />
+      <option name="url" value="https://oss.sonatype.org/content/repositories/snapshots/" />
+    </remote-repository>
   </component>
 </project>
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index 3373fc1d..d93660f5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -38,7 +38,7 @@ android {
         minSdkVersion 16
         targetSdkVersion 31
         versionCode 69
-        versionName "5.2.25"
+        versionName "5.3.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
     }
@@ -67,12 +67,12 @@ android {
         viewBinding true
     }
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_1_8.toString()
+        jvmTarget = JavaVersion.VERSION_11.toString()
         freeCompilerArgs += "-Xuse-experimental=kotlin.Experimental"
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
 }
 
@@ -91,7 +91,6 @@ 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"
 
@@ -129,6 +128,10 @@ dependencies {
 
     implementation "org.jsoup:jsoup:1.14.3"
 
+    implementation ("app.cash.zipline:zipline:1.0.0-SNAPSHOT") {
+        exclude group: "com.squareup.okio", module: "okio"
+    }
+
     implementation "xyz.quaver:documentfilex:0.7.2"
     implementation "xyz.quaver:floatingsearchview:1.1.7"
 
diff --git a/app/release/output-metadata.json b/app/release/output-metadata.json
index f5f160fa..650f9aa3 100644
--- a/app/release/output-metadata.json
+++ b/app/release/output-metadata.json
@@ -12,7 +12,7 @@
       "filters": [],
       "attributes": [],
       "versionCode": 69,
-      "versionName": "5.2.25",
+      "versionName": "5.3.0",
       "outputFile": "app-release.apk"
     }
   ],
diff --git a/app/src/androidTest/java/xyz/quaver/pupil/ExampleInstrumentedTest.kt b/app/src/androidTest/java/xyz/quaver/pupil/ExampleInstrumentedTest.kt
index cbb8cde9..b278adff 100644
--- a/app/src/androidTest/java/xyz/quaver/pupil/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/xyz/quaver/pupil/ExampleInstrumentedTest.kt
@@ -20,18 +20,18 @@
 
 package xyz.quaver.pupil
 
-import android.os.Build
 import android.util.Log
-import android.webkit.*
-import android.widget.Toast
 import androidx.test.ext.junit.runners.AndroidJUnit4
-import androidx.test.platform.app.InstrumentationRegistry
-import com.google.firebase.crashlytics.FirebaseCrashlytics
-import kotlinx.coroutines.*
+import kotlinx.coroutines.runBlocking
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import org.junit.Assert.assertEquals
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
 import xyz.quaver.pupil.hitomi.*
+import java.util.*
+import java.util.concurrent.TimeUnit
 
 /**
  * Instrumented test, which will execute on an Android device.
@@ -40,81 +40,142 @@ import xyz.quaver.pupil.hitomi.*
  */
 @RunWith(AndroidJUnit4::class)
 class ExampleInstrumentedTest {
+//    @Before
+//    fun init() {
+//        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+//    }
+
     @Before
     fun init() {
-        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        clientBuilder = OkHttpClient.Builder()
+            .readTimeout(0, TimeUnit.SECONDS)
+            .writeTimeout(0, TimeUnit.SECONDS)
+            .callTimeout(0, TimeUnit.SECONDS)
+            .connectTimeout(0, TimeUnit.SECONDS)
+            .addInterceptor { chain ->
+                val request = chain.request().newBuilder()
+                    .header("Referer", "https://hitomi.la/")
+                    .build()
 
-        runBlocking {
-            withContext(Dispatchers.Main) {
-                initWebView(appContext)
+                chain.proceed(request)
             }
-        }
     }
 
     @Test
-    fun test_getGalleryIDsFromNozomi() {
-        runBlocking {
-            val result = getGalleryIDsFromNozomi(null, "boten", "all")
+    fun test_empty() {
+        print(
+            "".trim()
+                .replace(Regex("""^\?"""), "")
+                .lowercase(Locale.getDefault())
+                .split(Regex("\\s+"))
+                .map {
+                    it.replace('_', ' ')
+                })
+    }
+    @Test
+    fun test_nozomi() {
+        val nozomi = getGalleryIDsFromNozomi(null, "index", "all")
 
-            Log.d("PUPILD", "getGalleryIDsFromNozomi: ${result.size}")
-        }
+        Log.d("PUPILD", nozomi.size.toString())
     }
 
     @Test
-    fun test_getGalleryIDsForQuery() {
-        runBlocking {
-            val result = getGalleryIDsForQuery("female:crotch tattoo")
+    fun test_search() {
+        val ids = getGalleryIDsForQuery("language:korean").reversed()
 
-            Log.d("PUPILD", "getGalleryIDsForQuery: ${result.size}")
-        }
+        print(ids.size)
     }
 
     @Test
-    fun test_getSuggestionsForQuery() {
-        runBlocking {
-            val result = getSuggestionsForQuery("fem")
+    fun test_suggestions() {
+        val suggestions = getSuggestionsForQuery("language:g")
 
-            Log.d("PUPILD", "getSuggestionsForQuery: ${result.size}")
+        print(suggestions)
+    }
+
+    @Test
+    fun test_doSearch() {
+        val r = runBlocking {
+            doSearch("language:korean")
+        }
+
+        Log.d("PUPILD", r.take(10).toString())
+    }
+
+    @Test
+    fun test_getBlock() {
+        val galleryBlock = getGalleryBlock(2097576)
+
+        print(galleryBlock)
+    }
+
+    @Test
+    fun test_getGallery() {
+        val gallery = getGallery(2097751)
+
+        print(gallery)
+    }
+
+    @Test
+    fun test_getGalleryInfo() {
+        val info = getGalleryInfo(1469394)
+
+        print(info)
+    }
+
+    @Test
+    fun test_getReader() {
+        val reader = getGalleryInfo(1722144)
+
+        print(reader)
+    }
+
+    @Test
+    fun test_getImages() {
+        val galleryID = 2099306
+
+        val images = getGalleryInfo(galleryID).files.map {
+            imageUrlFromImage(galleryID, it,false)
+        }
+
+        images.forEachIndexed { index, image ->
+            println("Testing $index/${images.size}: $image")
+            val response = client.newCall(
+                Request.Builder()
+                    .url(image)
+                    .header("Referer", "https://hitomi.la/")
+                    .build()
+            ).execute()
+
+            assertEquals(200, response.code())
+
+            println("$index/${images.size} Passed")
         }
     }
 
     @Test
     fun test_urlFromUrlFromHash() {
-        runBlocking {
-            val galleryInfo = getGalleryInfo(2102416)
+        val url = urlFromUrlFromHash(1531795, GalleryFiles(
+            212, "719d46a7556be0d0021c5105878507129b5b3308b02cf67f18901b69dbb3b5ef", 1, "00.jpg", 300
+        ), "webp")
 
-            val result = galleryInfo.files.map {
-                imageUrlFromImage(2102416, it, false)
-            }
-
-            Log.d("PUPILD", result.toString())
-        }
+        print(url)
     }
 
-    @Test
-    fun test_getGalleryInfo() {
-        runBlocking {
-            val galleryInfo = getGalleryInfo(2102416)
+//    @Test
+//    suspend fun test_doSearch_extreme() {
+//        val query = "language:korean -tag:sample -female:humiliation -female:diaper -female:strap-on -female:squirting -female:lizard_girl -female:voyeurism -type:artistcg -female:blood -female:ryona -male:blood -male:ryona -female:crotch_tattoo -male:urethra_insertion -female:living_clothes -male:tentacles -female:slave -female:gag -male:gag -female:wooden_horse -male:exhibitionism -male:miniguy -female:mind_break -male:mind_break -male:unbirth -tag:scanmark -tag:no_penetration -tag:nudity_only -female:enema -female:brain_fuck -female:navel_fuck -tag:novel -tag:mosaic_censorship -tag:webtoon -male:rape -female:rape -female:yuri -male:anal -female:anal -female:futanari -female:huge_breasts -female:big_areolae -male:torture -male:stuck_in_wall -female:stuck_in_wall -female:torture -female:birth -female:pregnant -female:drugs -female:bdsm -female:body_writing -female:cbt -male:dark_skin -male:insect -female:insect -male:vore -female:vore -female:vomit -female:urination -female:urethra_insertion -tag:mmf_threesome -female:sex_toys -female:double_penetration -female:eggs -female:prolapse -male:smell -male:bestiality -female:bestiality -female:big_ass -female:milf -female:mother -male:dilf -male:netorare -female:netorare -female:cosplaying -female:filming -female:armpit_sex -female:armpit_licking -female:tickling -female:lactation -male:skinsuit -female:skinsuit -male:bbm -female:prostitution -female:double_penetration -female:females_only -male:males_only -female:tentacles -female:tentacles -female:stomach_deformation -female:hairy_armpits -female:large_insertions -female:mind_control -male:orc -female:dark_skin -male:yandere -female:yandere -female:scat -female:toddlercon -female:bbw -female:hairy -male:cuntboy -male:lactation -male:drugs -female:body_modification -female:monoeye -female:chikan -female:long_tongue -female:harness -female:fisting -female:glory_hole -female:latex -male:latex -female:unbirth -female:giantess -female:sole_dickgirl -female:robot -female:doll_joints -female:machine -tag:artbook -male:cbt -female:farting -male:farting -male:midget -female:midget -female:exhibitionism  -male:monster -female:big_nipples -female:big_clit -female:gyaru -female:piercing -female:necrophilia -female:snuff -female:smell -male:cheating -female:cheating -male:snuff -female:harem -male:harem"
+//        print(doSearch(query).size)
+//    }
 
-            Log.d("PUPILD", galleryInfo.toString())
-        }
-    }
+//    @Test
+//    suspend fun test_parse() {
+//        print(doSearch("-male:yaoi -female:yaoi -female:loli").size)
+//    }
 
     @Test
-    fun test_getGallery() {
-        runBlocking {
-            val gallery = getGallery(2109479)
-
-            Log.d("PUPILD", gallery.toString())
-        }
-    }
-
-    @Test
-    fun test_getGalleryBlock() {
-        runBlocking {
-            val block = getGalleryBlock(2119310)
-
-            Log.d("PUPILD", block.toString())
-        }
+    fun test_subdomainFromUrl() {
+        val galleryInfo = getGalleryInfo(1929109).files[2]
+        print(urlFromUrlFromHash(1929109, galleryInfo, "webp", null, "a"))
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/xyz/quaver/pupil/Pupil.kt b/app/src/main/java/xyz/quaver/pupil/Pupil.kt
index 4c701164..8998cdcb 100644
--- a/app/src/main/java/xyz/quaver/pupil/Pupil.kt
+++ b/app/src/main/java/xyz/quaver/pupil/Pupil.kt
@@ -18,7 +18,6 @@
 
 package xyz.quaver.pupil
 
-import android.annotation.SuppressLint
 import android.app.Application
 import android.app.Notification
 import android.app.NotificationChannel
@@ -28,27 +27,26 @@ import android.content.Intent
 import android.net.Uri
 import android.os.Build
 import android.util.Log
-import android.webkit.*
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.core.content.ContextCompat
 import androidx.preference.PreferenceManager
-import androidx.webkit.WebViewCompat
+import app.cash.zipline.QuickJs
 import com.facebook.imagepipeline.backends.okhttp3.OkHttpImagePipelineConfigFactory
 import com.github.piasy.biv.BigImageViewer
 import com.github.piasy.biv.loader.fresco.FrescoImageLoader
 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.FirebaseApp
 import com.google.firebase.crashlytics.FirebaseCrashlytics
 import kotlinx.coroutines.*
-import kotlinx.coroutines.flow.MutableSharedFlow
-import kotlinx.coroutines.flow.asSharedFlow
-import kotlinx.serialization.decodeFromString
-import kotlinx.serialization.json.Json
-import okhttp3.*
+import okhttp3.Dispatcher
+import okhttp3.Interceptor
+import okhttp3.OkHttpClient
+import okhttp3.Response
 import xyz.quaver.io.FileX
 import xyz.quaver.pupil.hitomi.evaluationContext
-import xyz.quaver.pupil.types.JavascriptException
+import xyz.quaver.pupil.hitomi.readText
 import xyz.quaver.pupil.types.Tag
 import xyz.quaver.pupil.util.*
 import java.io.File
@@ -79,138 +77,11 @@ val client: OkHttpClient
         clientHolder = it
     }
 
-@SuppressLint("StaticFieldLeak")
-lateinit var webView: WebView
-val _webViewFlow = MutableSharedFlow<Pair<String, String?>>()
-val webViewFlow = _webViewFlow.asSharedFlow()
-var webViewReady = false
-var oldWebView = false
-private var reloadJob: Job? = null
-
-fun reloadWebView() {
-    if (reloadJob?.isActive == true) return
-
-    reloadJob = CoroutineScope(Dispatchers.IO).launch {
-        webViewReady = false
-        oldWebView = false
-
-        evaluationContext.cancelChildren(CancellationException("reload"))
-
-        runCatching {
-            URL(
-                if (BuildConfig.DEBUG)
-                    "https://tom5079.github.io/PupilSources/hitomi-dev.html"
-                else
-                    "https://tom5079.github.io/PupilSources/hitomi.html"
-            ).readText()
-        }.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 (
-            (!webViewReady && !oldWebView) ||
-            runCatching {
-                URL(
-                    if (BuildConfig.DEBUG)
-                        "https://tom5079.github.io/PupilSources/hitomi-dev.html.ver"
-                    else
-                        "https://tom5079.github.io/PupilSources/hitomi.html.ver"
-                ).readText()
-            }.getOrNull().let { version ->
-                (!version.isNullOrEmpty() && version != htmlVersion).also {
-                    if (it) htmlVersion = version!!
-                }
-            }
-        ) {
-            reloadWebView()
-        }
-
-        delay(if (webViewReady) 10000 else 1000)
-    }
-}
-
-@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?) {
-                webView.evaluateJavascript("try { self_test() } catch (err) { 'err' }") {
-                    val result: String = Json.decodeFromString(it)
-
-                    oldWebView = result == "es2020_unsupported";
-                    webViewReady = result == "OK";
-                }
-            }
-
-            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
+private var version = ""
+var runtimeReady = false
+    private set
+lateinit var runtime: QuickJs
+    private set
 
 class Pupil : Application() {
 
@@ -219,12 +90,35 @@ class Pupil : Application() {
             private set
     }
 
-    @SuppressLint("SetJavaScriptEnabled")
+    init {
+        CoroutineScope(Dispatchers.IO).launch {
+            withContext(evaluationContext) {
+                runtime = QuickJs.create()
+            }
+            while (true) {
+                kotlin.runCatching {
+                    val newVersion = URL("https://tom5079.github.io/PupilSources/hitomi.html.ver").readText()
+
+                    if (version != newVersion) {
+                        runtimeReady = false
+                        version = newVersion
+                        evaluationContext.cancelChildren()
+                        withContext(evaluationContext) {
+                            Log.d("PUPILD", "UPDATE!")
+                            runtime.evaluate(URL("https://tom5079.github.io/PupilSources/assets/js/gg.js").readText())
+                            runtimeReady = true
+                        }
+                    }
+                }
+
+                delay(10000)
+            }
+        }
+    }
+
     override fun onCreate() {
         instance = this
 
-        initWebView(this)
-
         AppCompatDelegate.setCompatVectorFromResourcesEnabled(true)
 
         preferences = PreferenceManager.getDefaultSharedPreferences(this)
@@ -234,6 +128,7 @@ class Pupil : Application() {
             else userID
         }
 
+        FirebaseApp.initializeApp(this)
         FirebaseCrashlytics.getInstance().setUserId(userID)
 
         val proxyInfo = getProxyInfo()
@@ -244,7 +139,7 @@ class Pupil : Application() {
             .proxyInfo(proxyInfo)
             .addInterceptor { chain ->
                 val request = chain.request().newBuilder()
-                    .header("User-Agent", userAgent)
+                    .addHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36")
                     .header("Referer", "https://hitomi.la/")
                     .build()
 
diff --git a/app/src/main/java/xyz/quaver/pupil/hitomi/common.kt b/app/src/main/java/xyz/quaver/pupil/hitomi/common.kt
index 0c1e79f9..a36e6328 100644
--- a/app/src/main/java/xyz/quaver/pupil/hitomi/common.kt
+++ b/app/src/main/java/xyz/quaver/pupil/hitomi/common.kt
@@ -16,31 +16,81 @@
 
 package xyz.quaver.pupil.hitomi
 
-import android.util.Log
-import android.webkit.WebView
-import kotlinx.coroutines.*
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.flow.transformWhile
-import kotlinx.serialization.ExperimentalSerializationApi
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.asCoroutineDispatcher
+import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.withContext
+import kotlinx.serialization.Serializable
 import kotlinx.serialization.decodeFromString
-import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
-import xyz.quaver.pupil.*
-import java.util.*
-import kotlin.coroutines.resume
-import kotlin.coroutines.suspendCoroutine
+import okhttp3.Request
+import xyz.quaver.pupil.client
+import xyz.quaver.pupil.runtime
+import java.io.IOException
+import java.net.URL
+import java.util.concurrent.Executors
 
 const val protocol = "https:"
 
-val evaluationContext = Dispatchers.Main + Job()
+@Serializable
+data class Artist(
+    val artist: String,
+    val url: String
+)
+
+@Serializable
+data class Group(
+    val group: String,
+    val url: String
+)
+
+@Serializable
+data class Parody(
+    val parody: String,
+    val url: String
+)
+
+@Serializable
+data class Character(
+    val character: String,
+    val url: String
+)
+
+@Serializable
+data class Tag(
+    val tag: String,
+    val url: String,
+    val female: String? = null,
+    val male: String? = null
+)
+
+@Serializable
+data class Language(
+    val galleryid: String,
+    val url: String,
+    val language_localname: String,
+    val name: String
+)
+
+@Serializable
+data class GalleryInfo(
+    val id: String,
+    val title: String,
+    val japanese_title: String? = null,
+    val language: String? = null,
+    val type: String,
+    val date: String,
+    val artists: List<Artist>? = null,
+    val groups: List<Group>? = null,
+    val parodys: List<Parody>? = null,
+    val tags: List<Tag>? = null,
+    val related: List<Int>,
+    val languages: List<Language>,
+    val characters: List<Character>? = null,
+    val scene_indexes: List<Int>,
+    val files: List<GalleryFiles>
+)
 
-/**
- * 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
@@ -48,89 +98,103 @@ val json = Json {
     useArrayPolymorphism = true
 }
 
-suspend inline fun <reified T> WebView.evaluate(script: String): T = coroutineScope { withTimeout(60000) {
-    var result: String? = null
+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()
 
-    while (result == null) {
-        try {
-            while (!oldWebView && !webViewReady) delay(1000)
+    return client.newCall(request).execute().also{ if (it.code() != 200) throw IOException("CODE ${it.code()}") }.body()?.use { it.string() } ?: throw IOException()
+}
 
-            result = if (oldWebView)
-                "null"
-            else withContext(evaluationContext) {
-                suspendCoroutine { continuation ->
-                    evaluateJavascript(script) {
-                        continuation.resume(it)
-                    }
-                }
+fun URL.readBytes(settings: HeaderSetter? = null): ByteArray {
+    val request = Request.Builder()
+        .url(this).let {
+            settings?.invoke(it) ?: it
+        }.build()
 
-            }
-        } catch (e: CancellationException) {
-            if (e.message != "reload") result = "null"
-        }
-    }
-
-    json.decodeFromString(result)
-} }
-
-@OptIn(ExperimentalCoroutinesApi::class)
-suspend inline fun <reified T> WebView.evaluatePromise(
-    script: String,
-    then: String = ".then(result => Callback.onResult(%uid, JSON.stringify(result))).catch(err => Callback.onError(%uid, String.raw`$script`, err.message, err.stack))"
-): T = coroutineScope { withTimeout(60000) {
-    var result: String? = null
-
-    while (result == null) {
-        try {
-            while (!oldWebView && !webViewReady) delay(1000)
-
-            result = if (oldWebView)
-                "null"
-            else withContext(evaluationContext) {
-                val uid = UUID.randomUUID().toString()
-
-                val flow: Flow<Pair<String, String?>> = webViewFlow.transformWhile { (currentUid, result) ->
-                    if (currentUid == uid) {
-                        emit(currentUid to result)
-                    }
-                    currentUid != uid
-                }
-
-                launch {
-                    evaluateJavascript((script + then).replace("%uid", "'$uid'"), null)
-                }
-
-                flow.first().second
-            }
-        } catch (e: CancellationException) {
-            if (e.message != "reload") result = "null"
-        }
-    }
-
-    json.decodeFromString(result)
-} }
+    return client.newCall(request).execute().also { if (it.code() != 200) throw IOException("CODE ${it.code()}") }.body()?.use { it.bytes() } ?: throw IOException()
+}
 
 @Suppress("EXPERIMENTAL_API_USAGE")
-suspend fun getGalleryInfo(galleryID: Int): GalleryInfo =
-    webView.evaluatePromise("get_gallery_info($galleryID)")
+fun getGalleryInfo(galleryID: Int) =
+    json.decodeFromString<GalleryInfo>(
+        URL("$protocol//$domain/galleries/$galleryID.js").readText()
+            .replace("var galleryinfo = ", "")
+    )
 
 //common.js
 const val domain = "ltn.hitomi.la"
+const val galleryblockextension = ".html"
+const val galleryblockdir = "galleryblock"
+const val nozomiextension = ".nozomi"
 
-val String?.js: String
-    get() = if (this == null) "null" else "'$this'"
+val evaluationContext = Executors.newSingleThreadExecutor().asCoroutineDispatcher() + Job()
 
-@OptIn(ExperimentalSerializationApi::class)
-suspend fun urlFromUrlFromHash(galleryID: Int, image: GalleryFiles, dir: String? = null, ext: String? = null, base: String? = null): String =
-    webView.evaluate(
-        """
-        url_from_url_from_hash(
-            ${galleryID.toString().js},
-            ${Json.encodeToString(image)},
-            ${dir.js}, ${ext.js}, ${base.js}
-        )
-        """.trimIndent()
-    )
+object gg {
+
+    suspend fun m(g: Int): Int = withContext(evaluationContext) {
+        runtime.evaluate("gg.m($g)").toString().toInt()
+    }
+    suspend fun b(): String = withContext(evaluationContext) {
+        runtime.evaluate("gg.b").toString()
+    }
+
+    suspend fun s(h: String): String = withContext(evaluationContext) {
+        runtime.evaluate("gg.s('$h')").toString()
+    }
+}
+
+suspend fun subdomainFromURL(url: String, base: String? = null) : String {
+    var retval = "b"
+
+    if (!base.isNullOrBlank())
+        retval = base
+
+    val b = 16
+
+    val r = Regex("""/[0-9a-f]{61}([0-9a-f]{2})([0-9a-f])""")
+    val m = r.find(url) ?: return "a"
+
+    val g = m.groupValues.let { it[2]+it[1] }.toIntOrNull(b)
+
+    if (g != null) {
+        retval = (97+ gg.m(g)).toChar().toString() + retval
+    }
+
+    return retval
+}
+
+suspend fun urlFromUrl(url: String, base: String? = null) : String {
+    return url.replace(Regex("""//..?\.hitomi\.la/"""), "//${subdomainFromURL(url, base)}.hitomi.la/")
+}
+
+suspend fun fullPathFromHash(hash: String) : String =
+    "${gg.b()}${gg.s(hash)}/$hash"
+
+fun realFullPathFromHash(hash: String): String =
+    hash.replace(Regex("""^.*(..)(.)$"""), "$2/$1/$hash")
+
+suspend 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)}.$ext"
+}
+
+suspend fun urlFromUrlFromHash(galleryID: Int, image: GalleryFiles, dir: String? = null, ext: String? = null, base: String? = null) =
+    if (base == "tn")
+        urlFromUrl("https://a.hitomi.la/$dir/${realFullPathFromHash(image.hash)}.$ext", base)
+    else
+        urlFromUrl(urlFromHash(galleryID, image, dir, ext), base)
+
+suspend fun rewriteTnPaths(html: String) {
+    html.replace(Regex("""//tn\.hitomi\.la/[^/]+/[0-9a-f]/[0-9a-f]{2}/[0-9a-f]{64}""")) { url ->
+        runBlocking {
+            urlFromUrl(url.value, "tn")
+        }
+    }
+}
 
 suspend fun imageUrlFromImage(galleryID: Int, image: GalleryFiles, noWebp: Boolean) : String {
     return when {
diff --git a/app/src/main/java/xyz/quaver/pupil/hitomi/galleries.kt b/app/src/main/java/xyz/quaver/pupil/hitomi/galleries.kt
index 4b60931f..6920c666 100644
--- a/app/src/main/java/xyz/quaver/pupil/hitomi/galleries.kt
+++ b/app/src/main/java/xyz/quaver/pupil/hitomi/galleries.kt
@@ -17,14 +17,11 @@
 package xyz.quaver.pupil.hitomi
 
 import kotlinx.serialization.Serializable
-import kotlinx.serialization.decodeFromString
-import kotlinx.serialization.json.Json
-import xyz.quaver.pupil.webView
 
 @Serializable
 data class Gallery(
     val related: List<Int>,
-    val langList: Map<String, String>,
+    val langList: List<Pair<String, String>>,
     val cover: String,
     val title: String,
     val artists: List<String>,
@@ -36,5 +33,22 @@ data class Gallery(
     val tags: List<String>,
     val thumbnails: List<String>
 )
-suspend fun getGallery(galleryID: Int) : Gallery =
-    webView.evaluatePromise("get_gallery($galleryID)")
\ No newline at end of file
+
+suspend fun getGallery(galleryID: Int) : Gallery {
+    val info = getGalleryInfo(galleryID)
+
+    return Gallery(
+        info.related,
+        info.languages.map { it.name to it.galleryid },
+        urlFromUrlFromHash(galleryID, info.files.first(), "webpbigtn", "webp", "tn"),
+        info.title,
+        info.artists?.map { it.artist }.orEmpty(),
+        info.groups?.map { it.group }.orEmpty(),
+        info.type,
+        info.language.orEmpty(),
+        info.parodys?.map { it.parody }.orEmpty(),
+        info.characters?.map { it.character }.orEmpty(),
+        info.tags?.map { "${if (it.female.isNullOrEmpty()) "" else "female:"}${if (it.male.isNullOrEmpty()) "" else "male:"}${it.tag}" }.orEmpty(),
+        info.files.map { urlFromUrlFromHash(galleryID, it, "webpsmalltn", "webp", "tn") }
+    )
+}
\ No newline at end of file
diff --git a/app/src/main/java/xyz/quaver/pupil/hitomi/galleryblock.kt b/app/src/main/java/xyz/quaver/pupil/hitomi/galleryblock.kt
index e49d6975..4868d6aa 100644
--- a/app/src/main/java/xyz/quaver/pupil/hitomi/galleryblock.kt
+++ b/app/src/main/java/xyz/quaver/pupil/hitomi/galleryblock.kt
@@ -17,7 +17,48 @@
 package xyz.quaver.pupil.hitomi
 
 import kotlinx.serialization.Serializable
-import xyz.quaver.pupil.webView
+import org.jsoup.Jsoup
+import java.net.URL
+import java.net.URLDecoder
+import java.nio.ByteBuffer
+import java.nio.ByteOrder
+import javax.net.ssl.HttpsURLConnection
+import kotlin.io.readText
+
+//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(
@@ -28,9 +69,24 @@ data class GalleryBlock(
     val artists: List<String>,
     val series: List<String>,
     val type: String,
-    val language: String?,
-    val relatedTags: List<String>
+    val language: String,
+    val relatedTags: List<String>,
+    val groups: List<String>
 )
 
-suspend fun getGalleryBlock(galleryID: Int) : GalleryBlock =
-    webView.evaluatePromise("get_gallery_block($galleryID)")
\ No newline at end of file
+suspend fun getGalleryBlock(galleryID: Int) : GalleryBlock {
+    val info = getGalleryInfo(galleryID)
+
+    return GalleryBlock(
+        galleryID,
+        "",
+        listOf(urlFromUrlFromHash(galleryID, info.files.first(), "webpbigtn", "webp", "tn")),
+        info.title,
+        info.artists?.map { it.artist }.orEmpty(),
+        info.parodys?.map { it.parody }.orEmpty(),
+        info.type,
+        info.language.orEmpty(),
+        info.tags?.map { "${if (it.female.isNullOrEmpty()) "" else "female:"}${if (it.male.isNullOrEmpty()) "" else "male:"}${it.tag}" }.orEmpty(),
+        info.groups?.map { it.group }.orEmpty()
+    )
+}
\ No newline at end of file
diff --git a/app/src/main/java/xyz/quaver/pupil/hitomi/reader.kt b/app/src/main/java/xyz/quaver/pupil/hitomi/reader.kt
index be7a86eb..af8db372 100644
--- a/app/src/main/java/xyz/quaver/pupil/hitomi/reader.kt
+++ b/app/src/main/java/xyz/quaver/pupil/hitomi/reader.kt
@@ -17,19 +17,8 @@
 package xyz.quaver.pupil.hitomi
 
 import kotlinx.serialization.Serializable
-
-fun getReferer(galleryID: Int) = "https://hitomi.la/reader/$galleryID.html"
-
-@Serializable
-data class GalleryInfo(
-    val language_localname: String? = null,
-    val language: String? = null,
-    val date: String? = null,
-    val files: List<GalleryFiles>,
-    val id: Int? = null,
-    val type: String? = null,
-    val title: String? = null
-)
+import xyz.quaver.pupil.hitomi.GalleryInfo
+import xyz.quaver.pupil.hitomi.getGalleryInfo
 
 @Serializable
 data class GalleryFiles(
@@ -44,6 +33,6 @@ data class GalleryFiles(
 
 //Set header `Referer` to reader url to avoid 403 error
 @Deprecated("", replaceWith = ReplaceWith("getGalleryInfo"))
-suspend fun getReader(galleryID: Int) : GalleryInfo {
+fun getReader(galleryID: Int) : GalleryInfo {
    return getGalleryInfo(galleryID)
 }
\ No newline at end of file
diff --git a/app/src/main/java/xyz/quaver/pupil/hitomi/search.kt b/app/src/main/java/xyz/quaver/pupil/hitomi/search.kt
index 649db5da..b4eaecf6 100644
--- a/app/src/main/java/xyz/quaver/pupil/hitomi/search.kt
+++ b/app/src/main/java/xyz/quaver/pupil/hitomi/search.kt
@@ -16,42 +16,313 @@
 
 package xyz.quaver.pupil.hitomi
 
-import android.util.Log
-import kotlinx.serialization.ExperimentalSerializationApi
-import kotlinx.serialization.Serializable
-import kotlinx.serialization.decodeFromString
-import kotlinx.serialization.json.Json
-import xyz.quaver.pupil.webView
+import okhttp3.Request
+import xyz.quaver.pupil.client
+import java.net.URL
+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"
 
-@OptIn(ExperimentalSerializationApi::class)
-suspend fun getGalleryIDsForQuery(query: String) : Set<Int> =
-    webView.evaluatePromise("get_galleryids_for_query('$query')")
+val tag_index_version: String by lazy { getIndexVersion("tagindex") }
+val galleries_index_version: String by lazy { getIndexVersion("galleriesindex") }
 
-@Serializable
-data class Suggestion(val s: String, val t: Int, val u: String, val n: String)
+fun sha256(data: ByteArray) : ByteArray {
+    return MessageDigest.getInstance("SHA-256").digest(data)
+}
 
-@OptIn(ExperimentalSerializationApi::class)
-suspend fun getSuggestionsForQuery(query: String) : List<Suggestion> =
-    webView.evaluatePromise(
-        "get_suggestions_for_query('$query', ++search_serial)",
-        then = """
-            .then(r => {
-                let [results, results_serial] = r;
-                if (search_serial !== results_serial) {
-                    Callback.onResult(%uid, '[]');
-                } else {
-                    Callback.onResult(%uid, JSON.stringify(results));
+@OptIn(ExperimentalUnsignedTypes::class)
+fun hashTerm(term: String) : UByteArray {
+    return sha256(term.toByteArray()).toUByteArray().sliceArray(0 until 4)
+}
+
+fun sanitize(input: String) : String {
+    return input.replace(Regex("[/#]"), "")
+}
+
+fun getIndexVersion(name: String) =
+        URL("$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
                 }
-            });
-        """.trimIndent()
-    )
+                "language" -> {
+                    area = null
+                    language = tag
+                    tag = "index"
+                }
+            }
 
-@OptIn(ExperimentalSerializationApi::class)
-suspend fun getGalleryIDsFromNozomi(area: String?, tag: String, language: String) : Set<Int> {
-    val jsArea = if (area == null) "null" else "'$area'"
+            return getGalleryIDsFromNozomi(area, tag, language)
+        }
 
-    return webView.evaluatePromise("""get_galleryids_from_nozomi($jsArea, '$tag', '$language')""")
+        val key = hashTerm(it)
+        val field = "galleries"
+
+        val node = getNodeAtAddress(field, 0) ?: return emptySet()
+
+        val data = bSearch(field, key, node)
+
+        if (data != null)
+            return getGalleryIDsFromData(data)
+
+        return emptySet()
+    }
+}
+
+fun getSuggestionsForQuery(query: String) : List<Suggestion> {
+    query.replace('_', ' ').let {
+        var field = "global"
+        var term = it
+
+        if (term.indexOf(':') > -1) {
+            val sides = it.split(':')
+            field = sides[0]
+            term = sides[1]
+        }
+
+        val key = hashTerm(term)
+        val node = getNodeAtAddress(field, 0) ?: return emptyList()
+        val data = bSearch(field, key, node)
+
+        if (data != null)
+            return getSuggestionsFromData(field, data)
+
+        return emptyList()
+    }
+}
+
+data class Suggestion(val s: String, val t: Int, val u: String, val n: String)
+fun getSuggestionsFromData(field: String, data: Pair<Long, Int>) : List<Suggestion> {
+    val url = "$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))
+
+    val suggestions = ArrayList<Suggestion>()
+
+    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$extension"
+                }
+
+        suggestions.add(Suggestion(tag, count, u, ns))
+    }
+
+    return suggestions
+}
+
+fun getGalleryIDsFromNozomi(area: String?, tag: String, language: String) : Set<Int> {
+    val nozomiAddress =
+            when(area) {
+                null -> "$protocol//$domain/$compressed_nozomi_prefix/$tag-$language$nozomiextension"
+                else -> "$protocol//$domain/$compressed_nozomi_prefix/$area/$tag-$language$nozomiextension"
+            }
+
+    val bytes = try {
+        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)
 }
\ No newline at end of file
diff --git a/app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt b/app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt
index 1d322359..08b281b1 100644
--- a/app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt
@@ -19,14 +19,12 @@
 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
 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
@@ -38,7 +36,6 @@ 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
@@ -47,12 +44,12 @@ import xyz.quaver.floatingsearchview.FloatingSearchView
 import xyz.quaver.floatingsearchview.suggestions.model.SearchSuggestion
 import xyz.quaver.floatingsearchview.util.view.MenuView
 import xyz.quaver.floatingsearchview.util.view.SearchInputView
-import xyz.quaver.pupil.hitomi.doSearch
-import xyz.quaver.pupil.hitomi.getGalleryIDsFromNozomi
-import xyz.quaver.pupil.hitomi.getSuggestionsForQuery
 import xyz.quaver.pupil.*
 import xyz.quaver.pupil.adapters.GalleryBlockAdapter
 import xyz.quaver.pupil.databinding.MainActivityBinding
+import xyz.quaver.pupil.hitomi.doSearch
+import xyz.quaver.pupil.hitomi.getGalleryIDsFromNozomi
+import xyz.quaver.pupil.hitomi.getSuggestionsForQuery
 import xyz.quaver.pupil.services.DownloadService
 import xyz.quaver.pupil.types.*
 import xyz.quaver.pupil.ui.dialog.DownloadLocationDialogFragment
@@ -66,7 +63,10 @@ import xyz.quaver.pupil.util.downloader.Cache
 import xyz.quaver.pupil.util.downloader.DownloadManager
 import xyz.quaver.pupil.util.restore
 import java.util.regex.Pattern
-import kotlin.math.*
+import kotlin.math.ceil
+import kotlin.math.max
+import kotlin.math.min
+import kotlin.math.roundToInt
 
 class MainActivity :
     BaseActivity(),
@@ -107,8 +107,6 @@ class MainActivity :
 
     private lateinit var binding: MainActivityBinding
 
-    private var oldWebViewJob: Job? = null
-
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         binding = MainActivityBinding.inflate(layoutInflater)
@@ -129,39 +127,6 @@ 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 && !Preferences["download_folder_ignore_warning", false] &&
             ContextCompat.getExternalFilesDirs(this, null).filterNotNull().map { Uri.fromFile(it).toString() }
                 .contains(Preferences["download_folder", ""])
@@ -204,8 +169,6 @@ class MainActivity :
     override fun onDestroy() {
         super.onDestroy()
 
-        oldWebViewJob?.cancel()
-
         (binding.contents.recyclerview.adapter as? GalleryBlockAdapter)?.updateAll = false
     }
 
diff --git a/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageStorageFragment.kt b/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageStorageFragment.kt
index d1a69da9..0999f08d 100644
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageStorageFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageStorageFragment.kt
@@ -121,7 +121,7 @@ class ManageStorageFragment : PreferenceFragmentCompat(), Preference.OnPreferenc
                             Json.decodeFromString<Metadata>(it)
                         } ?: return@forEach
 
-                        val galleryID = metadata.galleryBlock?.id ?: metadata.galleryInfo?.id ?: return@forEach
+                        val galleryID = metadata.galleryBlock?.id ?: metadata.galleryInfo?.id?.toIntOrNull() ?: return@forEach
 
                         downloadFolderMap[galleryID] = folder.name
                     }
diff --git a/app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt b/app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt
index b1af608e..65a8e83e 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt
@@ -58,38 +58,12 @@ data class OldGalleryBlock(
     val relatedTags: List<String>
 )
 
-@Serializable
-data class OldReader(val code: String, val galleryInfo: GalleryInfo)
-
-@Serializable
-data class OldMetadata(
-    var galleryBlock: OldGalleryBlock? = null,
-    var reader: OldReader? = null,
-    var imageList: MutableList<String?>? = null
-) {
-    fun copy(): OldMetadata = OldMetadata(galleryBlock, reader, imageList?.let { MutableList(it.size) { i -> it[i] } })
-}
-
 @Serializable
 data class Metadata(
     var galleryBlock: GalleryBlock? = null,
     var galleryInfo: GalleryInfo? = null,
     var imageList: MutableList<String?>? = null
 ) {
-    constructor(old: OldMetadata) : this(old.galleryBlock?.let { galleryBlock -> GalleryBlock(
-        galleryBlock.id,
-        galleryBlock.galleryUrl,
-        galleryBlock.thumbnails,
-        galleryBlock.title,
-        galleryBlock.artists,
-        galleryBlock.series,
-        galleryBlock.type,
-        galleryBlock.language,
-        galleryBlock.relatedTags) },
-        old.reader?.galleryInfo,
-        old.imageList
-    )
-
     fun copy(): Metadata = Metadata(galleryBlock, galleryInfo, imageList?.let { MutableList(it.size) { i -> it[i] } })
 }
 
@@ -116,11 +90,7 @@ class Cache private constructor(context: Context, val galleryID: Int) : ContextW
 
     var metadata = kotlin.runCatching {
         findFile(".metadata")?.readText()?.let { metadata ->
-            kotlin.runCatching {
-                Json.decodeFromString<Metadata>(metadata)
-            }.getOrElse {
-                Metadata(Json.decodeFromString<OldMetadata>(metadata))
-            }
+            Json.decodeFromString<Metadata>(metadata)
         }
     }.getOrNull() ?: Metadata()
 
diff --git a/app/src/main/java/xyz/quaver/pupil/util/misc.kt b/app/src/main/java/xyz/quaver/pupil/util/misc.kt
index 885482c2..44884445 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/misc.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/misc.kt
@@ -25,9 +25,7 @@ import okhttp3.OkHttpClient
 import okhttp3.Request
 import xyz.quaver.pupil.hitomi.GalleryBlock
 import xyz.quaver.pupil.hitomi.GalleryInfo
-import xyz.quaver.pupil.hitomi.getReferer
 import xyz.quaver.pupil.hitomi.imageUrlFromImage
-import xyz.quaver.pupil.userAgent
 import java.util.*
 import kotlin.collections.ArrayList
 
@@ -79,7 +77,8 @@ fun OkHttpClient.Builder.proxyInfo(proxyInfo: ProxyInfo) = this.apply {
 val formatMap = mapOf<String, GalleryBlock.() -> (String)>(
     "-id-" to { id.toString() },
     "-title-" to { title },
-    "-artist-" to { artists.joinToString() }
+    "-artist-" to { artists.joinToString() },
+    "-group-" to { groups.joinToString() }
     // TODO
 )
 /**
@@ -100,7 +99,7 @@ fun GalleryBlock.formatDownloadFolderTest(format: String): String =
     }.replace(Regex("""[*\\|"?><:/]"""), "").ellipsize(127)
 
 suspend fun GalleryInfo.getRequestBuilders(): List<Request.Builder> {
-    val galleryID = this.id ?: 0
+    val galleryID = this.id.toIntOrNull() ?: 0
     val lowQuality = Preferences["low_quality", true]
 
     return this.files.map {
@@ -115,7 +114,6 @@ suspend fun GalleryInfo.getRequestBuilders(): List<Request.Builder> {
                 .getOrDefault("https://a/")
             )
             .header("Referer", "https://hitomi.la/")
-            .header("User-Agent", userAgent)
     }
 }
 
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 8008573f..de1fcf06 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -157,6 +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>
     <string name="settings_recover_downloads">ダウンロードデータベースを再構築</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index 9d4ebb0c..0e4f93fe 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -157,6 +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>
     <string name="settings_recover_downloads">다운로드 데이터베이스 복구</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 8fa0a73d..c813e482 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -51,8 +51,6 @@
 
     <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>
diff --git a/app/src/main/res/xml/network_security_config.xml b/app/src/main/res/xml/network_security_config.xml
index d1f163b0..5594b3e0 100644
--- a/app/src/main/res/xml/network_security_config.xml
+++ b/app/src/main/res/xml/network_security_config.xml
@@ -18,6 +18,9 @@
   -->
 
 <network-security-config>
+    <domain-config cleartextTrafficPermitted="true">
+        <domain includeSubdomains="false">10.0.2.2</domain>
+    </domain-config>
     <domain-config cleartextTrafficPermitted="true">
         <domain includeSubdomains="false">ix.io</domain>
     </domain-config>
diff --git a/app/src/test/java/xyz/quaver/pupil/ExampleUnitTest.kt b/app/src/test/java/xyz/quaver/pupil/ExampleUnitTest.kt
index 54369f9a..27402b96 100644
--- a/app/src/test/java/xyz/quaver/pupil/ExampleUnitTest.kt
+++ b/app/src/test/java/xyz/quaver/pupil/ExampleUnitTest.kt
@@ -26,15 +26,8 @@ package xyz.quaver.pupil
  * See [testing documentation](http://d.android.com/tools/testing).
  */
 
-import okhttp3.OkHttpClient
-import okhttp3.Request
-import org.junit.Assert.assertEquals
-import org.junit.Before
 import org.junit.Test
-import xyz.quaver.pupil.hitomi.getGalleryInfo
-import xyz.quaver.pupil.hitomi.imageUrlFromImage
 import java.lang.reflect.ParameterizedType
-import java.util.concurrent.TimeUnit
 
 class ExampleUnitTest {
     @Test
diff --git a/build.gradle b/build.gradle
index 5b8cfb15..3573c05c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,6 +26,7 @@ allprojects {
         jcenter()
         maven { url "https://jitpack.io" }
         maven { url "https://guardian.github.io/maven/repo-releases/" }
+        maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
     }
 }