japscan didnt actually work, whoops (#4447)
* fuck sizurpp * fix japscan completely Co-authored-by: Rani Sargees <rani.sargees@gmail.com> Co-authored-by: az4521 <az4521@mailinator.com>
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az4521
GitHub
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910716b913
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e96e9a627d
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@ -10,7 +10,9 @@ import android.os.Handler
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import android.os.Looper
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import android.support.v7.preference.ListPreference
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import android.support.v7.preference.PreferenceScreen
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import android.util.Log
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import android.view.View
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import android.webkit.JavascriptInterface
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import android.webkit.WebChromeClient
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import android.webkit.WebResourceRequest
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import android.webkit.WebResourceResponse
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@ -37,6 +39,17 @@ import java.text.ParseException
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import java.text.SimpleDateFormat
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import java.util.Locale
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import java.util.concurrent.CountDownLatch
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import kotlin.collections.ArrayList
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import kotlin.collections.List
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import kotlin.collections.distinctBy
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import kotlin.collections.filter
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import kotlin.collections.first
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import kotlin.collections.forEach
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import kotlin.collections.forEachIndexed
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import kotlin.collections.map
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import kotlin.collections.mapIndexed
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import kotlin.collections.mutableListOf
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import kotlin.collections.toTypedArray
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import okhttp3.FormBody
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import okhttp3.MediaType
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import okhttp3.OkHttpClient
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@ -65,10 +78,20 @@ class Japscan : ConfigurableSource, ParsedHttpSource() {
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Injekt.get<Application>().getSharedPreferences("source_$id", 0x0000)
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}
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internal class JsObject(private val latch: CountDownLatch, var width: Int = 0, var height: Int = 0) {
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@JavascriptInterface
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fun passSize(widthjs: Int, ratio: Float) {
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Log.d("japscan", "wvsc js returned $widthjs, $ratio")
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width = widthjs
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height = (width.toFloat() / ratio).toInt()
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latch.countDown()
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}
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}
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@SuppressLint("SetJavaScriptEnabled")
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override val client: OkHttpClient = network.cloudflareClient.newBuilder().addInterceptor { chain ->
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val indicator = "&wvsc"
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val cleanupjs = "var db=document.body,chl=db.children;for(db.appendChild(document.getElementsByTagName('CNV-VV')[0]);'CNV-VV'!=chl[0].tagName;)db.removeChild(chl[0]);for(var i of[].slice.call(chl[0].all_canvas)){i.style.maxWidth=(i.width+\"px\")}window.variable={w:chl[0].all_canvas[0].width,h:chl[0].all_canvas[0].height};"
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val cleanupjs = "var checkExist=setInterval(function(){if(document.getElementsByTagName('CNV-VV').length){clearInterval(checkExist);var e=document.body,a=e.children;for(e.appendChild(document.getElementsByTagName('CNV-VV')[0]);'CNV-VV'!=a[0].tagName;)e.removeChild(a[0]);for(var t of[].slice.call(a[0].all_canvas))t.style.maxWidth='100%';window.android.passSize(a[0].all_canvas[0].width,a[0].all_canvas[0].width/a[0].all_canvas[0].height)}},100);"
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val request = chain.request()
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val url = request.url().toString()
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@ -83,28 +106,25 @@ class Japscan : ConfigurableSource, ParsedHttpSource() {
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var webView: WebView? = null
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var height = 0
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var width = 0
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val jsinterface = JsObject(latch)
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Log.d("japscan", "init wvsc")
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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.domStorageEnabled = true
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webview.setLayerType(View.LAYER_TYPE_SOFTWARE, null)
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webview.settings.useWideViewPort = false
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webview.settings.loadWithOverviewMode = false
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webview.settings.userAgentString = webview.settings.userAgentString.replace("Mobile", "eliboM").replace("Android", "diordnA")
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webview.addJavascriptInterface(jsinterface, "android")
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var retries = 1
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webview.webChromeClient = object : WebChromeClient() {
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@SuppressLint("NewApi")
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override fun onProgressChanged(view: WebView, progress: Int) {
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if (progress == 100) {
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view.evaluateJavascript(cleanupjs) {
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if (it.contains('{')) {
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val j = JsonParser().parse(it).asJsonObject
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width = j["w"].asInt
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height = j["h"].asInt
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latch.countDown()
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} else {
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webview.loadUrl(url.replace("&wvsc", ""))
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}
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}
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if (progress == 100 && retries--> 0) {
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Log.d("japscan", "wvsc loading finished")
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view.evaluateJavascript(cleanupjs) {}
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}
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}
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}
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@ -112,11 +132,12 @@ class Japscan : ConfigurableSource, ParsedHttpSource() {
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}
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latch.await()
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width = jsinterface.width
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height = jsinterface.height
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// webView!!.isDrawingCacheEnabled = true
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webView!!.measure(width + 100, height + 100)
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webView!!.layout(0, 0, width + 100, height + 100)
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webView!!.measure(width, height)
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webView!!.layout(0, 0, width, height)
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Thread.sleep(350)
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val bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
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@ -126,8 +147,8 @@ class Japscan : ConfigurableSource, ParsedHttpSource() {
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// val bitmap: Bitmap = webView!!.drawingCache
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val output = ByteArrayOutputStream()
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bitmap.compress(Bitmap.CompressFormat.PNG, 100, output)
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val rb = ResponseBody.create(MediaType.parse("image/png"), output.toByteArray())
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handler.post { webView!!.destroy() }
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response.newBuilder().body(rb).build()
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}.build()
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@ -312,13 +333,16 @@ class Japscan : ConfigurableSource, ParsedHttpSource() {
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}
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override fun pageListParse(document: Document): List<Page> {
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return if (document.getElementsByTag("script").size> 12) { // scrambled images, webview screenshotting
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return if (document.getElementsByTag("script").filter { it.attr("src").contains("ujs") }.size > 2) { // scrambled images, webview screenshotting
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Log.d("japscan", "scrambled, loading in WVSC urls")
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document.getElementsByTag("option").mapIndexed { i, it -> Page(i, "", baseUrl + it.attr("value") + "&wvsc") }
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} else {
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// unscrambled images, check for single page
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val zjsurl = document.getElementsByTag("script").first { it.attr("src").contains("zjs", ignoreCase = true) }.attr("src")
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Log.d("japscan", "ZJS at $zjsurl")
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val zjs = client.newCall(GET(baseUrl + zjsurl, headers)).execute().body()!!.string()
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if ((zjs.toLowerCase().split("new image").size - 1) == 1) { // single page, webview request dumping
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Log.d("japscan", "webtoon, netdumping initiated")
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val pagecount = document.getElementsByTag("option").size
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val pages = ArrayList<Page>()
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val handler = Handler(Looper.getMainLooper())
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@ -339,6 +363,7 @@ class Japscan : ConfigurableSource, ParsedHttpSource() {
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): WebResourceResponse? {
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if (request.url.toString().startsWith("https://c.")) {
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pages.add(Page(pages.size, "", request.url.toString()))
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Log.d("japscan", "intercepted ${request.url}")
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if (pages.size == pagecount) { latch.countDown() }
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return WebResourceResponse("image/jpeg", "UTF-8", ByteArrayInputStream(dummystream.toByteArray()))
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}
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@ -350,6 +375,7 @@ class Japscan : ConfigurableSource, ParsedHttpSource() {
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latch.await()
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return pages
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} else { // page by page, just do webview screenshotting because it's easier
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Log.d("japscan", "unscrambled, loading WVSC urls")
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document.getElementsByTag("option").mapIndexed { i, it -> Page(i, "", baseUrl + it.attr("value") + "&wvsc") }
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}
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}
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