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Koushoku: bypass block (#12913)

This commit is contained in:
Vetle Ledaal 2022-08-08 20:28:02 +00:00 committed by GitHub
parent 16529bc29d
commit a022f69c89
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5 changed files with 85 additions and 77 deletions
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2
src/en/koushoku/build.gradle
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@ -5,7 +5,7 @@ ext {
extName = 'Koushoku'
pkgNameSuffix = 'en.koushoku'
extClass = '.Koushoku'
extVersionCode = 13
extVersionCode = 14
isNsfw = true
}

38
src/en/koushoku/src/eu/kanade/tachiyomi/extension/en/koushoku/GoogleTranslateInterceptor.kt Normal file
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@ -0,0 +1,38 @@
package eu.kanade.tachiyomi.extension.en.koushoku
import okhttp3.HttpUrl
import okhttp3.Interceptor
import okhttp3.Response
class GoogleTranslateInterceptor : Interceptor {
override fun intercept(chain: Interceptor.Chain): Response {
val request = chain.request()
return if (request.url.host == "koushoku.org") {
val newUrl = googlify(request.url)
val newRequest = request.newBuilder()
.url(newUrl)
.build()
chain.proceed(newRequest)
} else {
chain.proceed(request)
}
}
private fun googlify(url: HttpUrl): HttpUrl {
val newHost = url.host
.replace("-", "--")
.replace('.', '-')
.plus(".translate.goog")
return url.newBuilder()
.host(newHost)
// `_x_tr_sl` and `_x_tr_tl` must be different
.addQueryParameter("_x_tr_sl", "en")
.addQueryParameter("_x_tr_tl", "jp")
.addQueryParameter("_x_tr_hl", "en")
.build()
}
}

42
src/en/koushoku/src/eu/kanade/tachiyomi/extension/en/koushoku/GoogleTranslateNetworkInterceptor.kt Normal file
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@ -0,0 +1,42 @@
package eu.kanade.tachiyomi.extension.en.koushoku
import okhttp3.HttpUrl
import okhttp3.HttpUrl.Companion.toHttpUrl
import okhttp3.Interceptor
import okhttp3.Response
class GoogleTranslateNetworkInterceptor : Interceptor {
override fun intercept(chain: Interceptor.Chain): Response {
val request = chain.request()
val response = chain.proceed(request)
if (
response.request.url.host == "koushoku-org.translate.goog" &&
response.request.url.pathSegments.getOrNull(0) == "d" &&
response.code in 300..399
) {
val newUrl = degooglify(response.headers["Location"]!!.toHttpUrl())
return response.newBuilder()
.header("Location", newUrl.toString())
.build()
}
return response
}
private fun degooglify(url: HttpUrl): HttpUrl {
val newHost = url.host
.substringBeforeLast(".translate.goog")
.replace('-', '.')
.replace("..", "-")
return url.newBuilder()
.host(newHost)
.removeAllQueryParameters("_x_tr_sl")
.removeAllQueryParameters("_x_tr_tl")
.removeAllQueryParameters("_x_tr_hl")
.build()
}
}

7
src/en/koushoku/src/eu/kanade/tachiyomi/extension/en/koushoku/Koushoku.kt
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@ -2,7 +2,7 @@ package eu.kanade.tachiyomi.extension.en.koushoku
import eu.kanade.tachiyomi.network.GET
import eu.kanade.tachiyomi.network.asObservableSuccess
import eu.kanade.tachiyomi.network.interceptor.rateLimit
import eu.kanade.tachiyomi.network.interceptor.rateLimitHost
import eu.kanade.tachiyomi.source.model.Filter
import eu.kanade.tachiyomi.source.model.FilterList
import eu.kanade.tachiyomi.source.model.MangasPage
@ -38,8 +38,9 @@ class Koushoku : ParsedHttpSource() {
override val supportsLatest = true
override val client: OkHttpClient = network.cloudflareClient.newBuilder()
.addInterceptor(KoushokuWebViewInterceptor())
.rateLimit(1, 4)
.addInterceptor(GoogleTranslateInterceptor())
.addNetworkInterceptor(GoogleTranslateNetworkInterceptor())
.rateLimitHost("https://ksk-h7glm2.xyz".toHttpUrl(), 1)
.build()
override fun headersBuilder(): Headers.Builder = super.headersBuilder()

73
src/en/koushoku/src/eu/kanade/tachiyomi/extension/en/koushoku/KoushokuWebViewInterceptor.kt
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@ -1,73 +0,0 @@
package eu.kanade.tachiyomi.extension.en.koushoku
import android.app.Application
import android.os.Handler
import android.os.Looper
import android.webkit.WebView
import android.webkit.WebViewClient
import okhttp3.Interceptor
import okhttp3.Response
import org.jsoup.Jsoup
import uy.kohesive.injekt.Injekt
import uy.kohesive.injekt.api.get
import java.io.IOException
import java.util.concurrent.CountDownLatch
class KoushokuWebViewInterceptor : Interceptor {
override fun intercept(chain: Interceptor.Chain): Response {
val request = chain.request()
val response = chain.proceed(request)
if (response.headers("Content-Type").any { it.contains("text/html") }) {
val responseBody = response.peekBody(1 * 1024 * 1024).string()
if (response.code == 403) {
val document = Jsoup.parse(responseBody)
if (document.selectFirst("h1")?.text()?.contains(Regex("banned$")) == true) {
throw IOException("You have been banned. Check WebView for details.")
}
}
if (response.networkResponse != null) {
try {
proceedWithWebView(response, responseBody)
} catch (e: Exception) {
throw IOException(e)
}
}
}
return response
}
private fun proceedWithWebView(response: Response, responseBody: String) {
val latch = CountDownLatch(1)
val handler = Handler(Looper.getMainLooper())
handler.post {
val webView = WebView(Injekt.get<Application>())
with(webView.settings) {
loadsImagesAutomatically = false
userAgentString = response.request.header("User-Agent")
}
webView.webViewClient = object : WebViewClient() {
override fun onPageFinished(view: WebView, url: String) {
webView.stopLoading()
webView.destroy()
latch.countDown()
}
}
webView.loadDataWithBaseURL(
response.request.url.toString(),
responseBody,
"text/html",
"utf-8",
null
)
}
latch.await()
}
}