Create ShittyRedirectionInterceptor.kt

src/it/animeworld/src/eu/kanade/tachiyomi/animeextension/it/animeworld/ShittyRedirectionInterceptor.kt

@@ -0,0 +1,39 @@
+package eu.kanade.tachiyomi.animeextension.it.animeworld
+
+import eu.kanade.tachiyomi.network.GET
+import okhttp3.Cookie
+import okhttp3.Interceptor
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.Response
+import java.io.IOException
+
+class ShittyRedirectionInterceptor(private val client: OkHttpClient) : Interceptor {
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val request = chain.request()
+        val response = chain.proceed(request)
+        // ignore non-protected requests
+        if (response.code != 202) return response
+        return try {
+            chain.proceed(loadCookies(request, response))
+        } catch (e: Throwable) {
+            // Because OkHttp's enqueue only handles IOExceptions, wrap the exception so that
+            // we don't crash the entire app
+            e.printStackTrace()
+            throw IOException(e)
+        }
+    }
+
+    private fun loadCookies(request: Request, response: Response): Request {
+        val (cookieString) = """document\.cookie="([^"]+)""".toRegex().find(response.body.string())!!.destructured
+        val cookie = Cookie.parse(request.url, cookieString)!!
+
+        client.cookieJar.saveFromResponse(request.url, listOf(cookie))
+        val headers = request.headers.newBuilder()
+            .add("Cookie", cookie.toString())
+            .build()
+
+        return GET(request.url.toString(), headers)
+    }
+}