Add MangaDex login

app/src/main/java/exh/patch/MangaDexLogin.kt

@@ -0,0 +1,46 @@
+package exh.patch
+
+import android.app.Application
+import eu.kanade.tachiyomi.source.SourceManager
+import eu.kanade.tachiyomi.source.online.HttpSource
+import exh.ui.captcha.BrowserActionActivity
+import exh.util.interceptAsHtml
+import okhttp3.HttpUrl
+import okhttp3.OkHttpClient
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+private val HIDE_SCRIPT = """
+            document.querySelector("#forgot_button").style.visibility = "hidden";
+            document.querySelector("#signup_button").style.visibility = "hidden";
+            document.querySelector("#announcement").style.visibility = "hidden";
+            document.querySelector("nav").style.visibility = "hidden";
+            document.querySelector("footer").style.visibility = "hidden";
+        """.trimIndent()
+
+private fun verifyComplete(url: String): Boolean {
+    return HttpUrl.parse(url)?.let { parsed ->
+        parsed.host() == "mangadex.org" && parsed.pathSegments().none { it.isNotBlank() }
+    } ?: false
+}
+
+fun OkHttpClient.Builder.attachMangaDexLogin() =
+        addInterceptor { chain ->
+            val response = chain.proceed(chain.request())
+            if(response.request().url().host() == "mangadex.org") {
+                response.interceptAsHtml { doc ->
+                    if (doc.title().trim().equals("Login - MangaDex", true)) {
+                        BrowserActionActivity.launchAction(
+                                Injekt.get<Application>(),
+                                ::verifyComplete,
+                                HIDE_SCRIPT,
+                                "https://mangadex.org/login",
+                                "Login",
+                                (Injekt.get<SourceManager>().get(2499283573021220255) as? HttpSource)?.headers?.toMultimap()?.mapValues {
+                                    it.value.joinToString(",")
+                                } ?: emptyMap()
+                        )
+                    }
+                }
+            } else response
+        }