Infinityscans, try to solve cloudflare turnstile in webview (#821)

solve cloudflare turnstile in webview

src/en/infinityscans/build.gradle

@@ -1,7 +1,7 @@
 ext {
     extName = 'InfinityScans'
     extClass = '.InfinityScans'
-    extVersionCode = 1
+    extVersionCode = 2
     isNsfw = true
 }
 

src/en/infinityscans/src/eu/kanade/tachiyomi/extension/en/infinityscans/InfinityScans.kt

@@ -23,7 +23,6 @@ import okhttp3.RequestBody.Companion.toRequestBody
 import okhttp3.Response
 import org.jsoup.nodes.Element
 import uy.kohesive.injekt.injectLazy
-import java.io.IOException
 
 class InfinityScans : HttpSource() {
 
@@ -37,14 +36,7 @@ class InfinityScans : HttpSource() {
     override val supportsLatest = true
 
     override val client: OkHttpClient = network.cloudflareClient.newBuilder()
-        .addInterceptor { chain ->
-            val response = chain.proceed(chain.request())
-            if (response.code == 401) {
-                response.close()
-                throw IOException("Solve Captcha in WebView")
-            }
-            response
-        }
+        .addInterceptor(WebviewInterceptor(baseUrl))
         .rateLimit(1)
         .build()
 

src/en/infinityscans/src/eu/kanade/tachiyomi/extension/en/infinityscans/WebviewInterceptor.kt

@@ -0,0 +1,78 @@
+package eu.kanade.tachiyomi.extension.en.infinityscans
+
+import android.app.Application
+import android.os.Handler
+import android.os.Looper
+import android.webkit.WebResourceRequest
+import android.webkit.WebResourceResponse
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import okhttp3.Interceptor
+import okhttp3.Response
+import uy.kohesive.injekt.injectLazy
+import java.io.IOException
+import java.util.concurrent.CountDownLatch
+import java.util.concurrent.TimeUnit
+
+class WebviewInterceptor(private val baseUrl: String) : Interceptor {
+
+    private val context: Application by injectLazy()
+    private val handler by lazy { Handler(Looper.getMainLooper()) }
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val request = chain.request()
+        val origRes = chain.proceed(request)
+
+        if (origRes.code != 401) return origRes
+        origRes.close()
+
+        resolveInWebview()
+
+        // If webview failed
+        val response = chain.proceed(request)
+        if (response.code == 401) {
+            response.close()
+            throw IOException("Solve Captcha in WebView")
+        }
+        return response
+    }
+
+    private fun resolveInWebview() {
+        val latch = CountDownLatch(1)
+        var webView: WebView? = null
+        var hasSetCookies = false
+
+        handler.post {
+            val webview = WebView(context)
+            webView = webview
+            with(webview.settings) {
+                javaScriptEnabled = true
+                domStorageEnabled = true
+                databaseEnabled = true
+                useWideViewPort = false
+                loadWithOverviewMode = false
+            }
+
+            webview.webViewClient = object : WebViewClient() {
+                override fun shouldInterceptRequest(view: WebView?, request: WebResourceRequest?): WebResourceResponse? {
+                    if (request?.url.toString().contains("$baseUrl/ajax/turnstile")) {
+                        hasSetCookies = true
+                    } else if (request?.url.toString().contains(baseUrl) && hasSetCookies) {
+                        latch.countDown()
+                    }
+                    return super.shouldInterceptRequest(view, request)
+                }
+            }
+
+            webview.loadUrl("$baseUrl/")
+        }
+
+        latch.await(20, TimeUnit.SECONDS)
+
+        handler.post {
+            webView?.stopLoading()
+            webView?.destroy()
+            webView = null
+        }
+    }
+}