mirror of
https://github.com/libre-tube/LibreTube.git
synced 2025-04-27 07:20:30 +05:30
feat(StreamsExtractor): generate PoToken
Implements support for locally generating PoTokens using the device webview. This is a direct port of https://github.com/TeamNewPipe/NewPipe/pull/11955 to native Kotlin. Closes: https://github.com/libre-tube/LibreTube/issues/7065
This commit is contained in:
FineFindus
parent
7b0d4caf31
commit
d927dffce4
@ -134,6 +134,7 @@ dependencies {
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/* NewPipe Extractor */
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implementation(libs.newpipeextractor)
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/* Coil */
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coreLibraryDesugaring(libs.desugaring)
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implementation(libs.coil)
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127
app/src/main/assets/po_token.html
vendored
Normal file
127
app/src/main/assets/po_token.html
vendored
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@ -0,0 +1,127 @@
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<!DOCTYPE html>
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<html lang="en"><head><title></title><script>
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/**
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* Factory method to create and load a BotGuardClient instance.
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* @param options - Configuration options for the BotGuardClient.
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* @returns A promise that resolves to a loaded BotGuardClient instance.
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*/
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function loadBotGuard(challengeData) {
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this.vm = this[challengeData.globalName];
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this.program = challengeData.program;
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this.vmFunctions = {};
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this.syncSnapshotFunction = null;
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if (!this.vm)
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throw new Error('[BotGuardClient]: VM not found in the global object');
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if (!this.vm.a)
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throw new Error('[BotGuardClient]: Could not load program');
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const vmFunctionsCallback = function (
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asyncSnapshotFunction,
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shutdownFunction,
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passEventFunction,
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checkCameraFunction
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) {
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this.vmFunctions = {
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asyncSnapshotFunction: asyncSnapshotFunction,
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shutdownFunction: shutdownFunction,
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passEventFunction: passEventFunction,
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checkCameraFunction: checkCameraFunction
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};
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};
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this.syncSnapshotFunction = this.vm.a(this.program, vmFunctionsCallback, true, this.userInteractionElement, function () {/** no-op */ }, [ [], [] ])[0]
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// an asynchronous function runs in the background and it will eventually call
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// `vmFunctionsCallback`, however we need to manually tell JavaScript to pass
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// control to the things running in the background by interrupting this async
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// function in any way, e.g. with a delay of 1ms. The loop is most probably not
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// needed but is there just because.
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return new Promise(function (resolve, reject) {
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i = 0
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refreshIntervalId = setInterval(function () {
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if (!!this.vmFunctions.asyncSnapshotFunction) {
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resolve(this)
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clearInterval(refreshIntervalId);
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}
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if (i >= 10000) {
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reject("asyncSnapshotFunction is null even after 10 seconds")
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clearInterval(refreshIntervalId);
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}
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i += 1;
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}, 1);
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})
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}
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/**
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* Takes a snapshot asynchronously.
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* @returns The snapshot result.
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* @example
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* ```ts
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* const result = await botguard.snapshot({
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* contentBinding: {
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* c: "a=6&a2=10&b=SZWDwKVIuixOp7Y4euGTgwckbJA&c=1729143849&d=1&t=7200&c1a=1&c6a=1&c6b=1&hh=HrMb5mRWTyxGJphDr0nW2Oxonh0_wl2BDqWuLHyeKLo",
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* e: "ENGAGEMENT_TYPE_VIDEO_LIKE",
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* encryptedVideoId: "P-vC09ZJcnM"
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* }
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* });
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*
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* console.log(result);
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* ```
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*/
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function snapshot(args) {
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return new Promise(function (resolve, reject) {
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if (!this.vmFunctions.asyncSnapshotFunction)
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return reject(new Error('[BotGuardClient]: Async snapshot function not found'));
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this.vmFunctions.asyncSnapshotFunction(function (response) { resolve(response) }, [
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args.contentBinding,
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args.signedTimestamp,
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args.webPoSignalOutput,
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args.skipPrivacyBuffer
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]);
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});
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}
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function runBotGuard(challengeData) {
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const interpreterJavascript = challengeData.interpreterJavascript.privateDoNotAccessOrElseSafeScriptWrappedValue;
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if (interpreterJavascript) {
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new Function(interpreterJavascript)();
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} else throw new Error('Could not load VM');
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const webPoSignalOutput = [];
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return loadBotGuard({
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globalName: challengeData.globalName,
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globalObj: this,
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program: challengeData.program
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}).then(function (botguard) {
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return botguard.snapshot({ webPoSignalOutput: webPoSignalOutput })
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}).then(function (botguardResponse) {
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return { webPoSignalOutput: webPoSignalOutput, botguardResponse: botguardResponse }
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})
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}
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function obtainPoToken(webPoSignalOutput, integrityToken, identifier) {
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const getMinter = webPoSignalOutput[0];
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if (!getMinter)
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throw new Error('PMD:Undefined');
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const mintCallback = getMinter(integrityToken);
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if (!(mintCallback instanceof Function))
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throw new Error('APF:Failed');
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const result = mintCallback(identifier);
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if (!result)
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throw new Error('YNJ:Undefined');
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if (!(result instanceof Uint8Array))
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throw new Error('ODM:Invalid');
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return result;
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}
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</script></head><body></body></html>
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@ -8,8 +8,10 @@ import com.github.libretube.api.obj.SegmentData
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import com.github.libretube.api.obj.SubmitSegmentResponse
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import com.github.libretube.api.obj.VoteInfo
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import com.github.libretube.obj.update.UpdateInfo
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import kotlinx.serialization.json.JsonElement
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import retrofit2.http.Body
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import retrofit2.http.GET
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import retrofit2.http.Headers
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import retrofit2.http.POST
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import retrofit2.http.Path
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import retrofit2.http.Query
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@ -18,6 +20,8 @@ import retrofit2.http.Url
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private const val GITHUB_API_URL = "https://api.github.com/repos/libre-tube/LibreTube/releases/latest"
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private const val SB_API_URL = "https://sponsor.ajay.app"
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private const val RYD_API_URL = "https://returnyoutubedislikeapi.com"
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private const val GOOGLE_API_KEY = "AIzaSyDyT5W0Jh49F30Pqqtyfdf7pDLFKLJoAnw"
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const val USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.3"
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interface ExternalApi {
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// only for fetching servers list
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@ -68,4 +72,17 @@ interface ExternalApi {
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@GET("$SB_API_URL/api/branding/{videoId}")
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suspend fun getDeArrowContent(@Path("videoId") videoId: String): Map<String, DeArrowContent>
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@Headers(
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"User-Agent: $USER_AGENT",
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"Accept: application/json",
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"Content-Type: application/json+protobuf",
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"x-goog-api-key: $GOOGLE_API_KEY",
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"x-user-agent: grpc-web-javascript/0.1",
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)
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@POST
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suspend fun botguardRequest(
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@Url url: String,
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@Body jsonPayload: List<String>
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): JsonElement
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}
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@ -1,6 +1,7 @@
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package com.github.libretube.api
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import android.util.Base64
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import com.github.libretube.api.poToken.PoTokenGenerator
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import com.github.libretube.api.obj.Channel
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import com.github.libretube.api.obj.ChannelTab
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import com.github.libretube.api.obj.ChannelTabResponse
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@ -47,6 +48,7 @@ import org.schabi.newpipe.extractor.localization.ContentCountry
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import org.schabi.newpipe.extractor.playlist.PlaylistInfo
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import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem
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import org.schabi.newpipe.extractor.search.SearchInfo
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import org.schabi.newpipe.extractor.services.youtube.extractors.YoutubeStreamExtractor
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import org.schabi.newpipe.extractor.stream.AudioStream
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import org.schabi.newpipe.extractor.stream.StreamInfo
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import org.schabi.newpipe.extractor.stream.StreamInfoItem
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@ -237,6 +239,11 @@ fun String.toListLinkHandler() = with(JsonHelper.json.decodeFromString<TabData>(
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}
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class NewPipeMediaServiceRepository : MediaServiceRepository {
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init {
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YoutubeStreamExtractor.setPoTokenProvider(PoTokenGenerator());
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}
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override suspend fun getTrending(region: String): List<StreamItem> {
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val kioskList = NewPipeExtractorInstance.extractor.kioskList
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kioskList.forceContentCountry(ContentCountry(region))
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@ -0,0 +1,133 @@
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package com.github.libretube.api.poToken
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import okio.ByteString.Companion.decodeBase64
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import okio.ByteString.Companion.toByteString
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import kotlinx.serialization.json.Json
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import kotlinx.serialization.json.JsonNull
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import kotlinx.serialization.json.JsonObject
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import kotlinx.serialization.json.JsonPrimitive
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import kotlinx.serialization.json.jsonArray
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import kotlinx.serialization.json.jsonPrimitive
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import kotlinx.serialization.json.long
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/**
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* Parses the raw challenge data obtained from the Create endpoint and returns an object that can be
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* embedded in a JavaScript snippet.
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*/
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fun parseChallengeData(rawChallengeData: String): String {
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val scrambled = Json.parseToJsonElement(rawChallengeData).jsonArray
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val challengeData = if (scrambled.size > 1 && scrambled[1].jsonPrimitive.isString) {
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val descrambled = descramble(scrambled[1].jsonPrimitive.content)
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Json.parseToJsonElement(descrambled).jsonArray
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} else {
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scrambled[0].jsonArray
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}
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val messageId = challengeData[0].jsonPrimitive.content
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val interpreterHash = challengeData[3].jsonPrimitive.content
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val program = challengeData[4].jsonPrimitive.content
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val globalName = challengeData[5].jsonPrimitive.content
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val clientExperimentsStateBlob = challengeData[7].jsonPrimitive.content
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val privateDoNotAccessOrElseSafeScriptWrappedValue = challengeData[1]
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.takeIf { it !is JsonNull }
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?.jsonArray
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?.find { it.jsonPrimitive.isString }
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val privateDoNotAccessOrElseTrustedResourceUrlWrappedValue = challengeData[2]
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.takeIf { it !is JsonNull }
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?.jsonArray
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?.find { it.jsonPrimitive.isString }
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return Json.encodeToString(
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JsonObject.serializer(), JsonObject(
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mapOf(
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"messageId" to JsonPrimitive(messageId),
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"interpreterJavascript" to JsonObject(
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mapOf(
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"privateDoNotAccessOrElseSafeScriptWrappedValue" to (privateDoNotAccessOrElseSafeScriptWrappedValue
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?: JsonNull),
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"privateDoNotAccessOrElseTrustedResourceUrlWrappedValue" to (privateDoNotAccessOrElseTrustedResourceUrlWrappedValue
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?: JsonNull)
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)
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),
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"interpreterHash" to JsonPrimitive(interpreterHash),
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"program" to JsonPrimitive(program),
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"globalName" to JsonPrimitive(globalName),
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"clientExperimentsStateBlob" to JsonPrimitive(clientExperimentsStateBlob)
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)
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)
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)
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}
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/**
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* Parses the raw integrity token data obtained from the GenerateIT endpoint to a JavaScript
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* `Uint8Array` that can be embedded directly in JavaScript code, and an [Int] representing the
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* duration of this token in seconds.
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*/
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fun parseIntegrityTokenData(rawIntegrityTokenData: String): Pair<String, Long> {
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val integrityTokenData = Json.parseToJsonElement(rawIntegrityTokenData).jsonArray
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return base64ToU8(integrityTokenData[0].jsonPrimitive.content) to integrityTokenData[1].jsonPrimitive.long
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}
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/**
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* Converts a string (usually the identifier used as input to `obtainPoToken`) to a JavaScript
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* `Uint8Array` that can be embedded directly in JavaScript code.
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*/
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fun stringToU8(identifier: String): String {
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return newUint8Array(identifier.toByteArray())
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}
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/**
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* Takes a poToken encoded as a sequence of bytes represented as integers separated by commas
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* (e.g. "97,98,99" would be "abc"), which is the output of `Uint8Array::toString()` in JavaScript,
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* and converts it to the specific base64 representation for poTokens.
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*/
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fun u8ToBase64(poToken: String): String {
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return poToken.split(",")
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.map { it.toUByte().toByte() }
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.toByteArray()
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.toByteString()
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.base64()
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.replace("+", "-")
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.replace("/", "_")
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}
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/**
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* Takes the scrambled challenge, decodes it from base64, adds 97 to each byte.
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*/
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private fun descramble(scrambledChallenge: String): String {
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return base64ToByteString(scrambledChallenge)
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.map { (it + 97).toByte() }
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.toByteArray()
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.decodeToString()
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}
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/**
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* Decodes a base64 string encoded in the specific base64 representation used by YouTube, and
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* returns a JavaScript `Uint8Array` that can be embedded directly in JavaScript code.
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*/
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private fun base64ToU8(base64: String): String {
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return newUint8Array(base64ToByteString(base64))
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}
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private fun newUint8Array(contents: ByteArray): String {
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return "new Uint8Array([" + contents.joinToString(separator = ",") { it.toUByte().toString() } + "])"
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}
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/**
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* Decodes a base64 string encoded in the specific base64 representation used by YouTube.
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*/
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private fun base64ToByteString(base64: String): ByteArray {
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val base64Mod = base64
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.replace('-', '+')
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.replace('_', '/')
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.replace('.', '=')
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return (base64Mod.decodeBase64() ?: throw PoTokenException("Cannot base64 decode"))
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.toByteArray()
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}
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@ -0,0 +1,123 @@
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package com.github.libretube.api.poToken
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import android.os.Handler
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import android.os.Looper
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import android.util.Log
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import android.webkit.CookieManager
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import com.github.libretube.BuildConfig
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import com.github.libretube.LibreTubeApp
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import kotlinx.coroutines.runBlocking
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import org.schabi.newpipe.extractor.NewPipe
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import org.schabi.newpipe.extractor.services.youtube.InnertubeClientRequestInfo
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import org.schabi.newpipe.extractor.services.youtube.PoTokenProvider
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import org.schabi.newpipe.extractor.services.youtube.PoTokenResult
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import org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper
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class PoTokenGenerator : PoTokenProvider {
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private val TAG = PoTokenGenerator::class.simpleName
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private val supportsWebView by lazy { runCatching { CookieManager.getInstance() }.isSuccess }
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private object WebPoTokenGenLock
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private var webPoTokenVisitorData: String? = null
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private var webPoTokenStreamingPot: String? = null
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private var webPoTokenGenerator: PoTokenWebView? = null
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override fun getWebClientPoToken(videoId: String): PoTokenResult? {
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if (!supportsWebView) {
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return null
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}
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return getWebClientPoToken(videoId, false)
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}
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/**
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* @param forceRecreate whether to force the recreation of [webPoTokenGenerator], to be used in
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* case the current [webPoTokenGenerator] threw an error last time
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* [PoTokenGenerator.getWebClientPoToken] was called
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*/
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private fun getWebClientPoToken(videoId: String, forceRecreate: Boolean): PoTokenResult {
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// just a helper class since Kotlin does not have builtin support for 4-tuples
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data class Quadruple<T1, T2, T3, T4>(val t1: T1, val t2: T2, val t3: T3, val t4: T4)
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val (poTokenGenerator, visitorData, streamingPot, hasBeenRecreated) =
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synchronized(WebPoTokenGenLock) {
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val shouldRecreate = webPoTokenGenerator == null || forceRecreate || webPoTokenGenerator!!.isExpired()
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if (shouldRecreate) {
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val innertubeClientRequestInfo = InnertubeClientRequestInfo.ofWebClient()
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innertubeClientRequestInfo.clientInfo.clientVersion =
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YoutubeParsingHelper.getClientVersion()
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webPoTokenVisitorData = YoutubeParsingHelper.getVisitorDataFromInnertube(
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innertubeClientRequestInfo,
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NewPipe.getPreferredLocalization(),
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NewPipe.getPreferredContentCountry(),
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YoutubeParsingHelper.getYouTubeHeaders(),
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YoutubeParsingHelper.YOUTUBEI_V1_URL,
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null,
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false
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)
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runBlocking {
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// close the current webPoTokenGenerator on the main thread
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webPoTokenGenerator?.let { Handler(Looper.getMainLooper()).post { it.close() } }
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// create a new webPoTokenGenerator
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webPoTokenGenerator = PoTokenWebView
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.newPoTokenGenerator(LibreTubeApp.instance)
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// The streaming poToken needs to be generated exactly once before generating
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// any other (player) tokens.
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webPoTokenStreamingPot = webPoTokenGenerator!!.generatePoToken(webPoTokenVisitorData!!)
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}
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}
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return@synchronized Quadruple(
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webPoTokenGenerator!!,
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webPoTokenVisitorData!!,
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webPoTokenStreamingPot!!,
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shouldRecreate
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)
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}
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val playerPot = try {
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// Not using synchronized here, since poTokenGenerator would be able to generate
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// multiple poTokens in parallel if needed. The only important thing is for exactly one
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// visitorData/streaming poToken to be generated before anything else.
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runBlocking {
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poTokenGenerator.generatePoToken(videoId)
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}
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} catch (throwable: Throwable) {
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if (hasBeenRecreated) {
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// the poTokenGenerator has just been recreated (and possibly this is already the
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// second time we try), so there is likely nothing we can do
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throw throwable
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} else {
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// retry, this time recreating the [webPoTokenGenerator] from scratch;
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// this might happen for example if NewPipe goes in the background and the WebView
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// content is lost
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Log.e(TAG, "Failed to obtain poToken, retrying", throwable)
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return getWebClientPoToken(videoId = videoId, forceRecreate = true)
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}
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}
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||||
if (BuildConfig.DEBUG) {
|
||||
Log.d(
|
||||
TAG,
|
||||
"poToken for $videoId: playerPot=$playerPot, " +
|
||||
"streamingPot=$streamingPot, visitor_data=$visitorData"
|
||||
)
|
||||
}
|
||||
|
||||
return PoTokenResult(visitorData, playerPot, streamingPot)
|
||||
}
|
||||
|
||||
override fun getWebEmbedClientPoToken(videoId: String?): PoTokenResult? = null
|
||||
|
||||
override fun getAndroidClientPoToken(videoId: String?): PoTokenResult? = null
|
||||
|
||||
override fun getIosClientPoToken(videoId: String?): PoTokenResult? = null
|
||||
}
|
||||
|
||||
@ -0,0 +1,279 @@
|
||||
package com.github.libretube.api.poToken
|
||||
|
||||
import android.content.Context
|
||||
import android.os.Build
|
||||
import android.os.Handler
|
||||
import android.os.Looper
|
||||
import android.util.Log
|
||||
import android.webkit.JavascriptInterface
|
||||
import android.webkit.WebView
|
||||
import androidx.annotation.MainThread
|
||||
import com.github.libretube.BuildConfig
|
||||
import com.github.libretube.api.RetrofitInstance
|
||||
import com.github.libretube.api.USER_AGENT
|
||||
import kotlinx.coroutines.*
|
||||
import java.time.Instant
|
||||
import kotlin.coroutines.Continuation
|
||||
import kotlin.coroutines.resume
|
||||
import kotlin.coroutines.resumeWithException
|
||||
|
||||
class PoTokenWebView private constructor(
|
||||
context: Context,
|
||||
private val generatorContinuation: Continuation<PoTokenWebView>
|
||||
) {
|
||||
private val webView = WebView(context)
|
||||
private val poTokenContinuations = mutableMapOf<String, Continuation<String>>()
|
||||
private val exceptionHandler = CoroutineExceptionHandler { context, exception ->
|
||||
onInitializationError(exception)
|
||||
}
|
||||
private lateinit var expirationInstant: Instant
|
||||
|
||||
//region Initialization
|
||||
init {
|
||||
webView.settings.apply {
|
||||
//noinspection SetJavaScriptEnabled we want to use JavaScript!
|
||||
javaScriptEnabled = true
|
||||
safeBrowsingEnabled = false
|
||||
userAgentString = USER_AGENT
|
||||
blockNetworkLoads = true // the WebView does not need internet access
|
||||
}
|
||||
|
||||
// so that we can run async functions and get back the result
|
||||
webView.addJavascriptInterface(this, JS_INTERFACE)
|
||||
}
|
||||
|
||||
/**
|
||||
* Must be called right after instantiating [PoTokenWebView] to perform the actual
|
||||
* initialization. This will asynchronously go through all the steps needed to load BotGuard,
|
||||
* run it, and obtain an `integrityToken`.
|
||||
*/
|
||||
private fun loadHtmlAndObtainBotguard(context: Context) {
|
||||
if (BuildConfig.DEBUG) {
|
||||
Log.d(TAG, "loadHtmlAndObtainBotguard() called")
|
||||
}
|
||||
|
||||
CoroutineScope(Dispatchers.IO).launch(exceptionHandler) {
|
||||
try {
|
||||
val html = context.assets.open("po_token.html").bufferedReader().use { it.readText() }
|
||||
withContext(Dispatchers.Main) {
|
||||
webView.loadDataWithBaseURL(
|
||||
"https://www.youtube.com",
|
||||
html.replaceFirst(
|
||||
"</script>",
|
||||
// calls downloadAndRunBotguard() when the page has finished loading
|
||||
"\n$JS_INTERFACE.downloadAndRunBotguard()</script>"
|
||||
),
|
||||
"text/html",
|
||||
"utf-8",
|
||||
null,
|
||||
)
|
||||
}
|
||||
} catch (e: Exception) {
|
||||
onInitializationError(e)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Called during initialization by the JavaScript snippet appended to the HTML page content in
|
||||
* [loadHtmlAndObtainBotguard] after the WebView content has been loaded.
|
||||
*/
|
||||
@JavascriptInterface
|
||||
fun downloadAndRunBotguard() {
|
||||
if (BuildConfig.DEBUG) {
|
||||
Log.d(TAG, "downloadAndRunBotguard() called")
|
||||
}
|
||||
|
||||
CoroutineScope(Dispatchers.IO).launch(exceptionHandler) {
|
||||
val responseBody = makeBotguardServiceRequest(
|
||||
"https://www.youtube.com/api/jnn/v1/Create",
|
||||
listOf(REQUEST_KEY)
|
||||
)
|
||||
val parsedChallengeData = parseChallengeData(responseBody)
|
||||
withContext(Dispatchers.Main) {
|
||||
webView.evaluateJavascript(
|
||||
"""try {
|
||||
data = $parsedChallengeData
|
||||
runBotGuard(data).then(function (result) {
|
||||
this.webPoSignalOutput = result.webPoSignalOutput
|
||||
$JS_INTERFACE.onRunBotguardResult(result.botguardResponse)
|
||||
}, function (error) {
|
||||
$JS_INTERFACE.onJsInitializationError(error + "\n" + error.stack)
|
||||
})
|
||||
} catch (error) {
|
||||
$JS_INTERFACE.onJsInitializationError(error + "\n" + error.stack)
|
||||
}""",
|
||||
null
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Called during initialization by the JavaScript snippets from either
|
||||
* [downloadAndRunBotguard] or [onRunBotguardResult].
|
||||
*/
|
||||
@JavascriptInterface
|
||||
fun onJsInitializationError(error: String) {
|
||||
if (BuildConfig.DEBUG) {
|
||||
Log.e(TAG, "Initialization error from JavaScript: $error")
|
||||
}
|
||||
onInitializationError(PoTokenException(error))
|
||||
}
|
||||
|
||||
/**
|
||||
* Called during initialization by the JavaScript snippet from [downloadAndRunBotguard] after
|
||||
* obtaining the BotGuard execution output [botguardResponse].
|
||||
*/
|
||||
@JavascriptInterface
|
||||
fun onRunBotguardResult(botguardResponse: String) {
|
||||
CoroutineScope(Dispatchers.IO).launch(exceptionHandler) {
|
||||
val response = makeBotguardServiceRequest(
|
||||
"https://www.youtube.com/api/jnn/v1/GenerateIT",
|
||||
listOf(REQUEST_KEY, botguardResponse)
|
||||
)
|
||||
val (integrityToken, expirationTimeInSeconds) = parseIntegrityTokenData(response)
|
||||
|
||||
// leave 10 minutes of margin just to be sure
|
||||
expirationInstant = Instant.now().plusSeconds(expirationTimeInSeconds - 600)
|
||||
|
||||
withContext(Dispatchers.Main) {
|
||||
webView.evaluateJavascript(
|
||||
"this.integrityToken = $integrityToken"
|
||||
) {
|
||||
if (BuildConfig.DEBUG) {
|
||||
Log.d(TAG, "initialization finished, expiration=${expirationTimeInSeconds}s")
|
||||
}
|
||||
generatorContinuation.resume(this@PoTokenWebView)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
//endregion
|
||||
|
||||
//region Obtaining poTokens
|
||||
suspend fun generatePoToken(identifier: String): String {
|
||||
if (BuildConfig.DEBUG) {
|
||||
Log.d(TAG, "generatePoToken() called with identifier $identifier")
|
||||
}
|
||||
return suspendCancellableCoroutine { continuation ->
|
||||
poTokenContinuations[identifier] = continuation
|
||||
val u8Identifier = stringToU8(identifier)
|
||||
|
||||
Handler(Looper.getMainLooper()).post {
|
||||
webView.evaluateJavascript(
|
||||
"""try {
|
||||
identifier = "$identifier"
|
||||
u8Identifier = $u8Identifier
|
||||
poTokenU8 = obtainPoToken(webPoSignalOutput, integrityToken, u8Identifier)
|
||||
poTokenU8String = ""
|
||||
for (i = 0; i < poTokenU8.length; i++) {
|
||||
if (i != 0) poTokenU8String += ","
|
||||
poTokenU8String += poTokenU8[i]
|
||||
}
|
||||
$JS_INTERFACE.onObtainPoTokenResult(identifier, poTokenU8String)
|
||||
} catch (error) {
|
||||
$JS_INTERFACE.onObtainPoTokenError(identifier, error + "\n" + error.stack)
|
||||
}""",
|
||||
) {}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Called by the JavaScript snippet from [generatePoToken] when an error occurs in calling the
|
||||
* JavaScript `obtainPoToken()` function.
|
||||
*/
|
||||
@JavascriptInterface
|
||||
fun onObtainPoTokenError(identifier: String, error: String) {
|
||||
if (BuildConfig.DEBUG) {
|
||||
Log.e(TAG, "obtainPoToken error from JavaScript: $error")
|
||||
}
|
||||
poTokenContinuations.remove(identifier)?.resumeWithException(PoTokenException(error))
|
||||
}
|
||||
|
||||
/**
|
||||
* Called by the JavaScript snippet from [generatePoToken] with the original identifier and the
|
||||
* result of the JavaScript `obtainPoToken()` function.
|
||||
*/
|
||||
@JavascriptInterface
|
||||
fun onObtainPoTokenResult(identifier: String, poTokenU8: String) {
|
||||
if (BuildConfig.DEBUG) {
|
||||
Log.d(TAG, "Generated poToken (before decoding): identifier=$identifier poTokenU8=$poTokenU8")
|
||||
}
|
||||
val poToken = try {
|
||||
u8ToBase64(poTokenU8)
|
||||
} catch (t: Throwable) {
|
||||
poTokenContinuations.remove(identifier)?.resumeWithException(t)
|
||||
return
|
||||
}
|
||||
|
||||
if (BuildConfig.DEBUG) {
|
||||
Log.d(TAG, "Generated poToken: identifier=$identifier poToken=$poToken")
|
||||
}
|
||||
poTokenContinuations.remove(identifier)?.resume(poToken)
|
||||
}
|
||||
|
||||
fun isExpired(): Boolean {
|
||||
return Instant.now().isAfter(expirationInstant)
|
||||
}
|
||||
//endregion
|
||||
|
||||
//region Utils
|
||||
/**
|
||||
* Makes a POST request to [url] with the given [data] by setting the correct headers.
|
||||
* This is supposed to be used only during initialization. Returns the response body
|
||||
* as a String if the response is successful.
|
||||
*/
|
||||
private suspend fun makeBotguardServiceRequest(url: String, data: List<String>): String = withContext(Dispatchers.IO) {
|
||||
val response = RetrofitInstance.externalApi.botguardRequest(url, data)
|
||||
response.toString()
|
||||
}
|
||||
|
||||
/**
|
||||
* Handles any error happening during initialization, releasing resources and sending the error
|
||||
* to [generatorContinuation].
|
||||
*/
|
||||
private fun onInitializationError(error: Throwable) {
|
||||
CoroutineScope(Dispatchers.Main).launch {
|
||||
close()
|
||||
generatorContinuation.resumeWithException(error)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Releases all [webView] resources.
|
||||
*/
|
||||
@MainThread
|
||||
fun close() = with(webView) {
|
||||
clearHistory()
|
||||
// clears RAM cache and disk cache (globally for all WebViews)
|
||||
clearCache(true)
|
||||
|
||||
// ensures that the WebView isn't doing anything when destroying it
|
||||
loadUrl("about:blank")
|
||||
|
||||
onPause()
|
||||
removeAllViews()
|
||||
destroy()
|
||||
}
|
||||
//endregion
|
||||
|
||||
companion object {
|
||||
private val TAG = PoTokenWebView::class.simpleName
|
||||
private const val REQUEST_KEY = "O43z0dpjhgX20SCx4KAo"
|
||||
private val JS_INTERFACE = PoTokenWebView::class.simpleName!!
|
||||
|
||||
suspend fun newPoTokenGenerator(context: Context): PoTokenWebView {
|
||||
return suspendCancellableCoroutine { continuation ->
|
||||
Handler(Looper.getMainLooper()).post {
|
||||
val poTokenWebView = PoTokenWebView(context, continuation)
|
||||
poTokenWebView.loadHtmlAndObtainBotguard(context)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
class PoTokenException(message: String) : Exception(message)
|
||||
@ -60,7 +60,7 @@ androidx-media3-exoplayer-hls = { group = "androidx.media3", name="media3-exopla
|
||||
androidx-media3-exoplayer-dash = { group = "androidx.media3", name="media3-exoplayer-dash", version.ref="media3" }
|
||||
androidx-media3-session = { group="androidx.media3", name="media3-session", version.ref="media3" }
|
||||
androidx-media3-ui = { group="androidx.media3", name="media3-ui", version.ref="media3" }
|
||||
newpipeextractor = { module = "com.github.teamnewpipe:NewPipeExtractor", version.ref = "newpipeextractor" }
|
||||
newpipeextractor = { module = "com.github.TeamNewPipe:NewPipeExtractor", version.ref = "newpipeextractor" }
|
||||
square-retrofit = { group = "com.squareup.retrofit2", name = "retrofit", version.ref = "retrofit" }
|
||||
converter-kotlinx-serialization = { group = "com.squareup.retrofit2", name = "converter-kotlinx-serialization", version.ref = "retrofit" }
|
||||
desugaring = { group = "com.android.tools", name = "desugar_jdk_libs_nio", version.ref = "desugaring" }
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user