mirror of
https://github.com/mihonapp/mihon.git
synced 2024-11-21 20:47:03 -05:00
Clean up interceptors a bit
This commit is contained in:
arkon
parent
fddca15182
commit
dc62d0ea8b
5 changed files with 116 additions and 127 deletions
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@ -17,12 +17,13 @@ class NetworkHelper(context: Context) {
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private val preferences: PreferencesHelper by injectLazy()
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private val cacheDir = File(context.cacheDir, "network_cache")
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private val cacheSize = 5L * 1024 * 1024 // 5 MiB
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val cookieManager = AndroidCookieJar()
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private val http103Interceptor = Http103Interceptor(context)
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private val userAgentInterceptor by lazy { UserAgentInterceptor() }
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private val http103Interceptor by lazy { Http103Interceptor(context) }
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private val cloudflareInterceptor by lazy { CloudflareInterceptor(context) }
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private val baseClientBuilder: OkHttpClient.Builder
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get() {
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@ -32,7 +33,7 @@ class NetworkHelper(context: Context) {
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.readTimeout(30, TimeUnit.SECONDS)
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.callTimeout(2, TimeUnit.MINUTES)
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// .fastFallback(true) // TODO: re-enable when OkHttp 5 is stabler
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.addInterceptor(UserAgentInterceptor())
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.addInterceptor(userAgentInterceptor)
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.addNetworkInterceptor(http103Interceptor)
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if (preferences.verboseLogging()) {
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@ -64,7 +65,7 @@ class NetworkHelper(context: Context) {
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@Suppress("UNUSED")
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val cloudflareClient by lazy {
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client.newBuilder()
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.addInterceptor(CloudflareInterceptor(context))
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.addInterceptor(cloudflareInterceptor)
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.build()
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}
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@ -2,17 +2,12 @@ package eu.kanade.tachiyomi.network.interceptor
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import android.annotation.SuppressLint
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import android.content.Context
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import android.os.Build
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import android.webkit.WebSettings
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import android.webkit.WebView
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import android.widget.Toast
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import androidx.core.content.ContextCompat
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import eu.kanade.tachiyomi.R
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import eu.kanade.tachiyomi.network.NetworkHelper
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import eu.kanade.tachiyomi.util.lang.launchUI
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import eu.kanade.tachiyomi.util.system.DeviceUtil
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import eu.kanade.tachiyomi.util.system.WebViewClientCompat
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import eu.kanade.tachiyomi.util.system.WebViewUtil
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import eu.kanade.tachiyomi.util.system.isOutdated
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import eu.kanade.tachiyomi.util.system.setDefaultSettings
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import eu.kanade.tachiyomi.util.system.toast
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@ -26,56 +21,26 @@ import java.io.IOException
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import java.util.concurrent.CountDownLatch
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import java.util.concurrent.TimeUnit
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class CloudflareInterceptor(private val context: Context) : Interceptor {
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class CloudflareInterceptor(private val context: Context) : WebViewInterceptor(context) {
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private val executor = ContextCompat.getMainExecutor(context)
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private val networkHelper: NetworkHelper by injectLazy()
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/**
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* When this is called, it initializes the WebView if it wasn't already. We use this to avoid
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* blocking the main thread too much. If used too often we could consider moving it to the
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* Application class.
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*/
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private val initWebView by lazy {
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// Crashes on some devices. We skip this in some cases since the only impact is slower
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// WebView init in those rare cases.
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// See https://bugs.chromium.org/p/chromium/issues/detail?id=1279562
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if (DeviceUtil.isMiui || Build.VERSION.SDK_INT == Build.VERSION_CODES.S && DeviceUtil.isSamsung) {
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return@lazy
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}
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WebSettings.getDefaultUserAgent(context)
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override fun shouldIntercept(response: Response): Boolean {
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// Check if Cloudflare anti-bot is on
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return response.code in ERROR_CODES && response.header("Server") in SERVER_CHECK
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}
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@Synchronized
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override fun intercept(chain: Interceptor.Chain): Response {
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val originalRequest = chain.request()
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if (!WebViewUtil.supportsWebView(context)) {
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launchUI {
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context.toast(R.string.information_webview_required, Toast.LENGTH_LONG)
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}
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return chain.proceed(originalRequest)
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}
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initWebView
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val response = chain.proceed(originalRequest)
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// Check if Cloudflare anti-bot is on
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if (response.code !in ERROR_CODES || response.header("Server") !in SERVER_CHECK) {
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return response
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}
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override fun intercept(chain: Interceptor.Chain, request: Request, response: Response): Response {
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try {
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response.close()
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networkHelper.cookieManager.remove(originalRequest.url, COOKIE_NAMES, 0)
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val oldCookie = networkHelper.cookieManager.get(originalRequest.url)
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networkHelper.cookieManager.remove(request.url, COOKIE_NAMES, 0)
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val oldCookie = networkHelper.cookieManager.get(request.url)
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.firstOrNull { it.name == "cf_clearance" }
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resolveWithWebView(originalRequest, oldCookie)
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resolveWithWebView(request, oldCookie)
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return chain.proceed(originalRequest)
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return chain.proceed(request)
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}
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// Because OkHttp's enqueue only handles IOExceptions, wrap the exception so that
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// we don't crash the entire app
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@ -87,7 +52,7 @@ class CloudflareInterceptor(private val context: Context) : Interceptor {
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}
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@SuppressLint("SetJavaScriptEnabled")
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private fun resolveWithWebView(request: Request, oldCookie: Cookie?) {
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private fun resolveWithWebView(originalRequest: Request, oldCookie: Cookie?) {
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// We need to lock this thread until the WebView finds the challenge solution url, because
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// OkHttp doesn't support asynchronous interceptors.
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val latch = CountDownLatch(1)
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@ -98,8 +63,8 @@ class CloudflareInterceptor(private val context: Context) : Interceptor {
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var cloudflareBypassed = false
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var isWebViewOutdated = false
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val origRequestUrl = request.url.toString()
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val headers = request.headers.toMultimap().mapValues { it.value.getOrNull(0) ?: "" }.toMutableMap()
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val origRequestUrl = originalRequest.url.toString()
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val headers = originalRequest.headers.toMultimap().mapValues { it.value.getOrNull(0) ?: "" }.toMutableMap()
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executor.execute {
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val webview = WebView(context)
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@ -107,7 +72,7 @@ class CloudflareInterceptor(private val context: Context) : Interceptor {
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webview.setDefaultSettings()
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// Avoid sending empty User-Agent, Chromium WebView will reset to default if empty
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webview.settings.userAgentString = request.header("User-Agent")
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webview.settings.userAgentString = originalRequest.header("User-Agent")
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?: networkHelper.defaultUserAgent
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webview.webViewClient = object : WebViewClientCompat() {
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@ -175,12 +140,10 @@ class CloudflareInterceptor(private val context: Context) : Interceptor {
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throw CloudflareBypassException()
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}
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}
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companion object {
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private val ERROR_CODES = listOf(403, 503)
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private val SERVER_CHECK = arrayOf("cloudflare-nginx", "cloudflare")
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private val COOKIE_NAMES = listOf("cf_clearance")
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}
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}
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private val ERROR_CODES = listOf(403, 503)
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private val SERVER_CHECK = arrayOf("cloudflare-nginx", "cloudflare")
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private val COOKIE_NAMES = listOf("cf_clearance")
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private class CloudflareBypassException : Exception()
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@ -2,67 +2,31 @@ package eu.kanade.tachiyomi.network.interceptor
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import android.annotation.SuppressLint
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import android.content.Context
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import android.os.Build
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import android.webkit.JavascriptInterface
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import android.webkit.WebSettings
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import android.webkit.WebView
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import android.widget.Toast
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import androidx.core.content.ContextCompat
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import eu.kanade.tachiyomi.R
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import eu.kanade.tachiyomi.network.NetworkHelper
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import eu.kanade.tachiyomi.util.lang.launchUI
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import eu.kanade.tachiyomi.util.system.DeviceUtil
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import eu.kanade.tachiyomi.util.system.WebViewClientCompat
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import eu.kanade.tachiyomi.util.system.WebViewUtil
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import eu.kanade.tachiyomi.util.system.logcat
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import eu.kanade.tachiyomi.util.system.toast
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import okhttp3.Interceptor
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import okhttp3.MediaType.Companion.toMediaType
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import okhttp3.Protocol
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import okhttp3.Request
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import okhttp3.Response
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import okhttp3.ResponseBody.Companion.toResponseBody
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import uy.kohesive.injekt.injectLazy
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import java.io.IOException
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import java.util.concurrent.CountDownLatch
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import java.util.concurrent.TimeUnit
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// TODO: Remove when OkHttp can handle http 103 responses
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class Http103Interceptor(private val context: Context) : Interceptor {
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// TODO: Remove when OkHttp can handle HTTP 103 responses
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class Http103Interceptor(context: Context) : WebViewInterceptor(context) {
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private val executor = ContextCompat.getMainExecutor(context)
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private val networkHelper: NetworkHelper by injectLazy()
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/**
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* When this is called, it initializes the WebView if it wasn't already. We use this to avoid
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* blocking the main thread too much. If used too often we could consider moving it to the
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* Application class.
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*/
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private val initWebView by lazy {
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// Crashes on some devices. We skip this in some cases since the only impact is slower
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// WebView init in those rare cases.
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// See https://bugs.chromium.org/p/chromium/issues/detail?id=1279562
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if (DeviceUtil.isMiui || Build.VERSION.SDK_INT == Build.VERSION_CODES.S && DeviceUtil.isSamsung) {
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return@lazy
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}
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WebSettings.getDefaultUserAgent(context)
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override fun shouldIntercept(response: Response): Boolean {
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return response.code == 103
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}
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override fun intercept(chain: Interceptor.Chain): Response {
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val request = chain.request()
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val response = chain.proceed(request)
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if (response.code != 103) return response
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if (!WebViewUtil.supportsWebView(context)) {
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launchUI {
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context.toast(R.string.information_webview_required, Toast.LENGTH_LONG)
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}
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return response
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}
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initWebView
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override fun intercept(chain: Interceptor.Chain, request: Request, response: Response): Response {
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logcat { "Proceeding with WebView for request $request" }
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try {
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return proceedWithWebView(request, response)
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@ -71,23 +35,9 @@ class Http103Interceptor(private val context: Context) : Interceptor {
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}
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}
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internal class JsInterface(private val latch: CountDownLatch, var payload: String? = null) {
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@JavascriptInterface
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fun passPayload(passedPayload: String) {
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payload = passedPayload
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latch.countDown()
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}
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}
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companion object {
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const val jsScript = "window.android.passPayload(document.querySelector('html').outerHTML)"
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val htmlMediaType = "text/html".toMediaType()
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}
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@SuppressLint("SetJavaScriptEnabled", "AddJavascriptInterface")
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private fun proceedWithWebView(ogRequest: Request, ogResponse: Response): Response {
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// We need to lock this thread until the WebView finds the challenge solution url, because
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private fun proceedWithWebView(originalRequest: Request, originalResponse: Response): Response {
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// We need to lock this thread until the WebView loads the page, because
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// OkHttp doesn't support asynchronous interceptors.
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val latch = CountDownLatch(1)
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@ -97,16 +47,11 @@ class Http103Interceptor(private val context: Context) : Interceptor {
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var exception: Exception? = null
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val requestUrl = ogRequest.url.toString()
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val headers = ogRequest.headers.toMultimap().mapValues { it.value.getOrNull(0) ?: "" }.toMutableMap()
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val requestUrl = originalRequest.url.toString()
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val headers = originalRequest.headers.toMultimap().mapValues { it.value.getOrNull(0) ?: "" }.toMutableMap()
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executor.execute {
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val webview = WebView(context).also { outerWebView = it }
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with(webview.settings) {
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javaScriptEnabled = true
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userAgentString = ogRequest.header("User-Agent") ?: networkHelper.defaultUserAgent
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}
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val webview = createWebView(originalRequest).also { outerWebView = it }
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webview.addJavascriptInterface(jsInterface, "android")
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webview.webViewClient = object : WebViewClientCompat() {
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@ -143,13 +88,25 @@ class Http103Interceptor(private val context: Context) : Interceptor {
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exception?.let { throw it }
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val payload = jsInterface.payload ?: throw Exception("Couldn't fetch site through webview")
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val responseHtml = jsInterface.responseHtml ?: throw Exception("Couldn't fetch site through webview")
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return ogResponse.newBuilder()
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return originalResponse.newBuilder()
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.code(200)
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.protocol(Protocol.HTTP_1_1)
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.message("OK")
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.body(payload.toResponseBody(htmlMediaType))
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.body(responseHtml.toResponseBody(htmlMediaType))
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.build()
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}
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}
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internal class JsInterface(private val latch: CountDownLatch, var responseHtml: String? = null) {
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@Suppress("UNUSED")
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@JavascriptInterface
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fun passPayload(passedPayload: String) {
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responseHtml = passedPayload
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latch.countDown()
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}
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}
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private const val jsScript = "window.android.passPayload(document.querySelector('html').outerHTML)"
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private val htmlMediaType = "text/html".toMediaType()
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@ -0,0 +1,68 @@
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package eu.kanade.tachiyomi.network.interceptor
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import android.content.Context
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import android.os.Build
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import android.webkit.WebSettings
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import android.webkit.WebView
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import android.widget.Toast
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import eu.kanade.tachiyomi.R
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import eu.kanade.tachiyomi.network.NetworkHelper
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import eu.kanade.tachiyomi.util.lang.launchUI
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import eu.kanade.tachiyomi.util.system.DeviceUtil
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import eu.kanade.tachiyomi.util.system.WebViewUtil
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import eu.kanade.tachiyomi.util.system.setDefaultSettings
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import eu.kanade.tachiyomi.util.system.toast
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import okhttp3.Interceptor
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import okhttp3.Request
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import okhttp3.Response
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import uy.kohesive.injekt.injectLazy
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abstract class WebViewInterceptor(private val context: Context) : Interceptor {
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private val networkHelper: NetworkHelper by injectLazy()
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/**
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* When this is called, it initializes the WebView if it wasn't already. We use this to avoid
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* blocking the main thread too much. If used too often we could consider moving it to the
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* Application class.
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*/
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private val initWebView by lazy {
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// Crashes on some devices. We skip this in some cases since the only impact is slower
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// WebView init in those rare cases.
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// See https://bugs.chromium.org/p/chromium/issues/detail?id=1279562
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if (DeviceUtil.isMiui || Build.VERSION.SDK_INT == Build.VERSION_CODES.S && DeviceUtil.isSamsung) {
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return@lazy
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}
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WebSettings.getDefaultUserAgent(context)
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}
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abstract fun shouldIntercept(response: Response): Boolean
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abstract fun intercept(chain: Interceptor.Chain, request: Request, response: Response): Response
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override fun intercept(chain: Interceptor.Chain): Response {
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val request = chain.request()
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val response = chain.proceed(request)
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if (!shouldIntercept(response)) {
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return response
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}
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if (!WebViewUtil.supportsWebView(context)) {
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launchUI {
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context.toast(R.string.information_webview_required, Toast.LENGTH_LONG)
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}
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return response
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}
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initWebView
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return intercept(chain, request, response)
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}
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fun createWebView(request: Request): WebView {
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val webview = WebView(context)
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webview.setDefaultSettings()
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webview.settings.userAgentString = request.header("User-Agent") ?: networkHelper.defaultUserAgent
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return webview
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}
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}
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@ -11,7 +11,7 @@ import logcat.LogPriority
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object WebViewUtil {
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const val SPOOF_PACKAGE_NAME = "org.chromium.chrome"
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const val MINIMUM_WEBVIEW_VERSION = 99
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const val MINIMUM_WEBVIEW_VERSION = 100
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fun supportsWebView(context: Context): Boolean {
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try {
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