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Mangaku: update selectors, fix URL decryption (#360)
* Mangaku: update selectors, fix URL decryption * Translate error message to ID Co-authored-by: Luqman <riyanluqman@gmail.com> --------- Co-authored-by: Luqman <riyanluqman@gmail.com>
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Vetle Ledaal
GitHub
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036ef6580c
commit
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1
src/id/mangaku/assets/crypto-js.min.js
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src/id/mangaku/assets/crypto-js.min.js
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src/id/mangaku/assets/zepto.min.js
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src/id/mangaku/assets/zepto.min.js
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@ -1,12 +1,7 @@
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ext {
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extName = 'Mangaku'
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extClass = '.Mangaku'
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extVersionCode = 7
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extVersionCode = 8
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}
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apply from: "$rootDir/common.gradle"
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dependencies {
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implementation(project(':lib:cryptoaes'))
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implementation(project(':lib:unpacker'))
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}
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@ -1,10 +1,13 @@
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package eu.kanade.tachiyomi.extension.id.mangaku
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import android.net.Uri
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import android.util.Base64
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import android.util.Log
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import eu.kanade.tachiyomi.lib.cryptoaes.CryptoAES
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import eu.kanade.tachiyomi.lib.unpacker.Unpacker
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import android.annotation.SuppressLint
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import android.app.Application
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import android.os.Handler
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import android.os.Looper
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import android.view.View
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import android.webkit.JavascriptInterface
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import android.webkit.WebView
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import android.webkit.WebViewClient
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import eu.kanade.tachiyomi.network.GET
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import eu.kanade.tachiyomi.network.POST
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import eu.kanade.tachiyomi.network.asObservableSuccess
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@ -15,6 +18,9 @@ import eu.kanade.tachiyomi.source.model.SChapter
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import eu.kanade.tachiyomi.source.model.SManga
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import eu.kanade.tachiyomi.source.online.ParsedHttpSource
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import eu.kanade.tachiyomi.util.asJsoup
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import kotlinx.serialization.json.Json
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import kotlinx.serialization.json.jsonArray
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import kotlinx.serialization.json.jsonPrimitive
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import okhttp3.FormBody
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import okhttp3.Headers
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import okhttp3.Request
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@ -23,7 +29,11 @@ import org.jsoup.nodes.Document
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import org.jsoup.nodes.Element
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import org.jsoup.select.Elements
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import rx.Observable
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import java.security.MessageDigest
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import uy.kohesive.injekt.Injekt
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import uy.kohesive.injekt.api.get
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import uy.kohesive.injekt.injectLazy
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import java.util.concurrent.CountDownLatch
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import java.util.concurrent.TimeUnit
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class Mangaku : ParsedHttpSource() {
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@ -111,18 +121,24 @@ class Mangaku : ParsedHttpSource() {
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override fun searchMangaNextPageSelector(): String? = null
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override fun mangaDetailsParse(document: Document): SManga = SManga.create().apply {
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title = document.select(".post.singlep .titles a").text().replace("Bahasa Indonesia", "").trim()
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thumbnail_url = document.select(".post.singlep img").attr("abs:src")
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document.select("#wrapper-a #content-a .inf").forEach {
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when (it.select(".infx").text()) {
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"Genre" -> genre = it.select("p a[rel=tag]").joinToString { it.text() }
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"Author" -> author = it.select("p").text()
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"Sinopsis" -> description = it.select("p").text()
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title = document
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.select("h1.titles a, h1.title").text()
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.replace("Bahasa Indonesia", "").trim()
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thumbnail_url = document
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.select("#sidebar-a a[imageanchor] > img, #abc a[imageanchor] > img")
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.attr("abs:src")
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document.select("#wrapper-a #content-a .inf, #abc .inf").forEach { row ->
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when (row.select(".infx").text()) {
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"Genre" -> genre = row.select("p a[rel=tag]").joinToString { it.text() }
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"Author" -> author = row.select("p").text()
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"Sinopsis" -> description = row.select("p").text()
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}
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}
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}
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override fun chapterListSelector() = "#content-b > div > a"
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override fun chapterListSelector() = "#content-b > div > a, .fndsosmed-social + div > a"
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override fun chapterFromElement(element: Element): SChapter = SChapter.create().apply {
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setUrlWithoutDomain(element.attr("href"))
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@ -135,164 +151,97 @@ class Mangaku : ParsedHttpSource() {
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}
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}
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@SuppressLint("SetJavaScriptEnabled")
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override fun pageListParse(document: Document): List<Page> {
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val wpRoutineUrl = document.selectFirst("script[src*=wp-routine]")!!.attr("abs:src")
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Log.d("mangaku", "wp-routine: $wpRoutineUrl")
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val interfaceName = randomString()
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val wpRoutineJs = client.newCall(GET(wpRoutineUrl, headers)).execute().use {
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it.body.string()
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val decodeScriptOriginal = document
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.select("script:containsData(dtx = )")
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.joinToString("\n") { it.data() }
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val decodeScript = decodeScriptOriginal.replace(urlsnxRe) {
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it.value + "window.$interfaceName.passPayload(JSON.stringify(urlsnx));"
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}
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val upt3 = wpRoutineJs
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.substringAfterLast("upt3(")
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.substringBefore(");")
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val keymapJsPacked = wpRoutineJs
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.substringAfter("eval(function(x,a,c,k,e,d)")
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.substringBefore(".split('|'),0,{}))") + ".split('|'),0,{}))"
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val keymapJs = Unpacker.unpack(keymapJsPacked)
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val appMgkVariable = keymapJs
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.substringAfter("$upt3=")
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.substringBefore(";")
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val appMgk = keymapJs
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.substringAfter("let $appMgkVariable=\"")
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.substringBefore("\";")
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.reversed()
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Log.d("mangaku", "app-mgk: $appMgk")
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val wpRoutineUrl = document
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.selectFirst("script[src*=wp-routine]")!!
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.attr("abs:src")
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val wpRoutineScript = client
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.newCall(GET(wpRoutineUrl, headers))
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.execute().use { it.body.string() }
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val dtxScript = document.selectFirst("script:containsData(var dtx =)")!!.html()
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val dtxIsEqualTo = dtxScript
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.substringAfter("var dtx = ")
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.substringBefore(";")
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val dtx = dtxScript
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.substringAfter("var $dtxIsEqualTo= \"")
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.substringBefore("\"")
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val handler = Handler(Looper.getMainLooper())
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val latch = CountDownLatch(1)
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val jsInterface = JsInterface(latch)
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var webView: WebView? = null
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val mainScriptTag = document.selectFirst("script:containsData(await jrsx)")!!.html()
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val jrsxArgs = mainScriptTag
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.substringAfter("await jrsx(")
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.substringBefore(");")
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.split(",")
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Log.d("mangaku", "args: $jrsxArgs")
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handler.post {
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val webview = WebView(Injekt.get<Application>())
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webView = webview
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webview.settings.javaScriptEnabled = true
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webview.settings.blockNetworkLoads = true
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webview.settings.blockNetworkImage = true
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webview.setLayerType(View.LAYER_TYPE_SOFTWARE, null)
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webview.addJavascriptInterface(jsInterface, interfaceName)
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val thirdArgValue = mainScriptTag
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.substringAfter("const ${jrsxArgs[2]} = '")
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.substringBefore("'")
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Log.d("mangaku", "arg2: $thirdArgValue")
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val encodedAttr = jrsxArgs[4].removeSurrounding("'")
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val upt4arg = mainScriptTag
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.substringAfter("const ${jrsxArgs[3]} = await upt4('")
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.substringBefore("'")
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Log.d("mangaku", "upt4arg: $upt4arg")
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val upt4value = upt4(appMgk, upt4arg)
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val decrypted = CryptoAES.decrypt(dtx, huzorttshj(thirdArgValue, upt4value))
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.replace(rsxxxRe, "")
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.replace("_", "=")
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.reversed()
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.replace("+", "%20")
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val htmImageList = Base64.decode(decrypted, Base64.DEFAULT)
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.toString(Charsets.UTF_8)
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.percentDecode()
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val attr = stringRotator(encodedAttr, 23, 69, 9).lowercase()
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val fifthArgValueDigest =
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stringRotator(digest("SHA384", encodedAttr), 23, 69, 20).lowercase()
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val re = Regex("""$attr=['"](.*?)['"]""")
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return re.findAll(htmImageList).mapIndexed { idx, it ->
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val url = Base64.decode(
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CryptoAES.decrypt(it.groupValues[1], fifthArgValueDigest),
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Base64.DEFAULT,
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webview.webViewClient = object : WebViewClient() {
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override fun onPageFinished(view: WebView, url: String) {
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view.evaluateJavascript(jQueryScript) {}
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view.evaluateJavascript(cryptoJSScript) {}
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view.evaluateJavascript(wpRoutineScript) {}
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view.evaluateJavascript(decodeScript) {}
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}
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}
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webview.loadDataWithBaseURL(
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document.location(),
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"",
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"text/html",
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"UTF-8",
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null,
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)
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.toString(Charsets.UTF_8)
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.replace("+", "%20")
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.percentDecode()
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Page(idx, imageUrl = url)
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}.toList()
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}
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// 5s is ten times over the execution time on a crappy emulator
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latch.await(5, TimeUnit.SECONDS)
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handler.post { webView?.destroy() }
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if (latch.count == 1L) {
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throw Exception("Kehabisan waktu saat men-decrypt tautan gambar") //Timeout while decrypting image links
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}
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return jsInterface.images.mapIndexed { i, url ->
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Page(i, imageUrl = url)
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}
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}
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override fun imageUrlParse(document: Document) = throw UnsupportedOperationException()
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private val rsxxxRe = Regex(""".............?\+.......""")
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private val urlsnxRe = Regex("""urlsnx=(?!\[];)[^;]+;""")
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private val noLetterRe = Regex("""[^a-z]""")
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private val noNumberRe = Regex("""[^0-9]""")
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private val whitespaceRe = Regex("""\s+""")
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private fun huzorttshj(key: String, upt4val: String): String {
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val mapping = "-ABCDEFGHIJKLMNOPQRSTUVWXYZ=0123456789abcdefghijklmnopqrstuvwxyz+"
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val b64upt4 = btoa(upt4val).replace(whitespaceRe, "")
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var idx = 0
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return b64upt4.map {
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val upt4idx = mapping.indexOf(it)
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val keyidx = mapping.indexOf(key[idx])
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val output = (mapping.substring(keyidx) + mapping.substring(0, keyidx))[upt4idx]
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if (idx == key.length - 1) {
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idx = 0
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} else {
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idx += 1
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}
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output
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}.joinToString("")
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private fun randomString(length: Int = 10): String {
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val charPool = ('a'..'z') + ('A'..'Z')
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return List(length) { charPool.random() }.joinToString("")
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}
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private fun upt4(appMgk: String, key: String): String {
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val fullKey = key + appMgk.map {
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(it.code xor 71).toChar()
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}.joinToString("")
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internal class JsInterface(private val latch: CountDownLatch) {
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val b64FullKey = btoa(fullKey)
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private val json: Json by injectLazy()
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val sixLastChars = b64FullKey.substring(b64FullKey.length - 7, b64FullKey.length - 1)
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val elevenFirstChars = b64FullKey.substring(0, 12)
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val keyFragment = btoa(sixLastChars + elevenFirstChars).trim()
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val firstDigest = digest("SHA384", keyFragment)
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var images: List<String> = listOf()
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private set
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val uniqueLetters = firstDigest.replace(noLetterRe, "").distinct()
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val uniqueNumbers = firstDigest.replace(noNumberRe, "").distinct()
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val joined = uniqueNumbers + uniqueLetters
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val secondDigest = digest("SHA1", joined)
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val secondDigestReversed = secondDigest.reversed()
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val rotated = stringRotator(secondDigestReversed) + "-$key"
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return keyFragment + joined + secondDigestReversed + rotated
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}
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private fun stringRotator(
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input: String,
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multiplier: Int = 73,
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adder: Int = 93,
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length: Int = 20,
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strings: List<String> = listOf("PEWAW", "MJKJG", "SGWRT", "KUIQ"),
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): String {
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val firstPass = input
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.map { input.length * multiplier + (adder + it.code) }
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.joinToString("") + adder.toString()
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return firstPass.map {
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val idx = it.toString().toInt()
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if (idx < strings.size) strings[idx] else idx.toString()
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@JavascriptInterface
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fun passPayload(rawData: String) {
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val data = json.parseToJsonElement(rawData).jsonArray
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images = data.map { it.jsonPrimitive.content }
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latch.countDown()
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}
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.joinToString("")
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.padEnd(length)
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.substring(0, length)
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}
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private fun btoa(input: String): String =
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Base64.encode(input.toByteArray(), Base64.DEFAULT).toString(Charsets.UTF_8)
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private fun digest(digest: String, input: String): String =
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MessageDigest.getInstance(digest).digest(input.toByteArray())
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.joinToString("") { "%02x".format(it) }
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private fun String.distinct(): String = toCharArray().distinct().joinToString("")
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private fun String.percentDecode(): String = Uri.decode(this)
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private val jQueryScript = javaClass
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.getResource("/assets/zepto.min.js")!!
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.readText() // Zepto v1.2.0 (jQuery compatible)
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private val cryptoJSScript = javaClass
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.getResource("/assets/crypto-js.min.js")!!
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.readText() // CryptoJS v4.0.0 (on site: cpr2.js)
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}
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