Resolve SSL excetpions

app/src/main/kotlin/org/koitharu/kotatsu/core/exceptions/resolve/ExceptionResolver.kt

@@ -1,36 +1,48 @@
 package org.koitharu.kotatsu.core.exceptions.resolve
 
+import android.content.Context
+import android.widget.Toast
 import androidx.activity.result.ActivityResultCallback
 import androidx.activity.result.ActivityResultLauncher
 import androidx.annotation.StringRes
-import androidx.collection.ArrayMap
+import androidx.collection.MutableScatterMap
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentActivity
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import dagger.hilt.android.EntryPointAccessors
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.alternatives.ui.AlternativesActivity
 import org.koitharu.kotatsu.browser.BrowserActivity
 import org.koitharu.kotatsu.browser.cloudflare.CloudFlareActivity
 import org.koitharu.kotatsu.core.exceptions.CloudFlareProtectedException
 import org.koitharu.kotatsu.core.exceptions.UnsupportedSourceException
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.ui.BaseActivity.BaseActivityEntryPoint
 import org.koitharu.kotatsu.core.ui.dialog.ErrorDetailsDialog
 import org.koitharu.kotatsu.core.util.TaggedActivityResult
+import org.koitharu.kotatsu.core.util.ext.findActivity
 import org.koitharu.kotatsu.parsers.exception.AuthRequiredException
 import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.settings.sources.auth.SourceAuthActivity
+import java.security.cert.CertPathValidatorException
+import javax.net.ssl.SSLException
 import kotlin.coroutines.Continuation
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 
 class ExceptionResolver : ActivityResultCallback<TaggedActivityResult> {
 
-	private val continuations = ArrayMap<String, Continuation<Boolean>>(1)
+	private val continuations = MutableScatterMap<String, Continuation<Boolean>>(1)
 	private val activity: FragmentActivity?
 	private val fragment: Fragment?
 	private val sourceAuthContract: ActivityResultLauncher<MangaSource>
 	private val cloudflareContract: ActivityResultLauncher<CloudFlareProtectedException>
 
+	val context: Context?
+		get() = activity ?: fragment?.context
+
 	constructor(activity: FragmentActivity) {
 		this.activity = activity
 		fragment = null
@@ -56,6 +68,12 @@ class ExceptionResolver : ActivityResultCallback<TaggedActivityResult> {
 	suspend fun resolve(e: Throwable): Boolean = when (e) {
 		is CloudFlareProtectedException -> resolveCF(e)
 		is AuthRequiredException -> resolveAuthException(e.source)
+		is SSLException,
+		is CertPathValidatorException -> {
+			showSslErrorDialog()
+			false
+		}
+
 		is NotFoundException -> {
 			openInBrowser(e.url)
 			false
@@ -80,13 +98,37 @@ class ExceptionResolver : ActivityResultCallback<TaggedActivityResult> {
 	}
 
 	private fun openInBrowser(url: String) {
-		val context = activity ?: fragment?.activity ?: return
-		context.startActivity(BrowserActivity.newIntent(context, url, null, null))
+		context?.run {
+			startActivity(BrowserActivity.newIntent(this, url, null, null))
+		}
 	}
 
 	private fun openAlternatives(manga: Manga) {
-		val context = activity ?: fragment?.activity ?: return
-		context.startActivity(AlternativesActivity.newIntent(context, manga))
+		context?.run {
+			startActivity(AlternativesActivity.newIntent(this, manga))
+		}
+	}
+
+	private fun showSslErrorDialog() {
+		val ctx = context ?: return
+		val settings = getAppSettings(ctx)
+		if (settings.isSSLBypassEnabled) {
+			Toast.makeText(ctx, R.string.operation_not_supported, Toast.LENGTH_SHORT).show()
+			return
+		}
+		MaterialAlertDialogBuilder(ctx)
+			.setTitle(R.string.ignore_ssl_errors)
+			.setMessage(R.string.ignore_ssl_errors_summary)
+			.setPositiveButton(R.string.apply) { _, _ ->
+				settings.isSSLBypassEnabled = true
+				Toast.makeText(ctx, R.string.settings_apply_restart_required, Toast.LENGTH_SHORT).show()
+				ctx.findActivity()?.finishAffinity()
+			}.setNegativeButton(android.R.string.cancel, null)
+			.show()
+	}
+
+	private fun getAppSettings(context: Context): AppSettings {
+		return EntryPointAccessors.fromApplication<BaseActivityEntryPoint>(context).settings
 	}
 
 	private fun getFragmentManager() = checkNotNull(fragment?.childFragmentManager ?: activity?.supportFragmentManager)
@@ -99,6 +141,9 @@ class ExceptionResolver : ActivityResultCallback<TaggedActivityResult> {
 			is AuthRequiredException -> R.string.sign_in
 			is NotFoundException -> if (e.url.isNotEmpty()) R.string.open_in_browser else 0
 			is UnsupportedSourceException -> if (e.manga != null) R.string.alternatives else 0
+			is SSLException,
+			is CertPathValidatorException -> R.string.fix
+
 			else -> 0
 		}
 

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -386,8 +386,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val dnsOverHttps: DoHProvider
 		get() = prefs.getEnumValue(KEY_DOH, DoHProvider.NONE)
 
-	val isSSLBypassEnabled: Boolean
+	var isSSLBypassEnabled: Boolean
 		get() = prefs.getBoolean(KEY_SSL_BYPASS, false)
+		set(value) = prefs.edit { putBoolean(KEY_SSL_BYPASS, value) }
 
 	val proxyType: Proxy.Type
 		get() {

app/src/main/res/values/strings.xml

@@ -644,4 +644,6 @@
 	<string name="disable">Disable</string>
 	<string name="sources_disabled">Sources disabled</string>
 	<string name="disable_connectivity_check">Disable connectivity check</string>
+	<string name="ignore_ssl_errors_summary">You can disable SSL certificates verification in case you face an SSL-related issues when accessing network resources. This may affect your security. Application restarting is required after changing this setting.</string>
+	<string name="disable_connectivity_check_summary">Skip the connectivity check in case you have issues with it (e.g. going offline mode even though the network is connected)</string>
 </resources>

app/src/main/res/xml/pref_network.xml

@@ -47,10 +47,12 @@
 
 	<SwitchPreferenceCompat
 		android:key="ssl_bypass"
+		android:summary="@string/ignore_ssl_errors_summary"
 		android:title="@string/ignore_ssl_errors" />
 
 	<SwitchPreferenceCompat
 		android:key="no_offline"
+		android:summary="@string/disable_connectivity_check_summary"
 		android:title="@string/disable_connectivity_check" />
 
 </PreferenceScreen>