Allow deeplinks back into Signal from iDEAL banking apps.

app/src/main/AndroidManifest.xml

@@ -594,6 +594,13 @@
                   android:host="signal.group"/>
         </intent-filter>
 
+        <intent-filter android:autoVerify="true">
+            <action android:name="android.intent.action.VIEW" />
+            <category android:name="android.intent.category.DEFAULT" />
+            <category android:name="android.intent.category.BROWSABLE" />
+            <data android:scheme="https" android:host="signaldonations.org" android:pathPrefix="/stripe/return/ideal"/>
+        </intent-filter>
+
         <intent-filter android:autoVerify="true">
             <action android:name="android.intent.action.VIEW" />
             <category android:name="android.intent.category.DEFAULT" />

app/src/main/java/org/thoughtcrime/securesms/MainActivity.java

@@ -17,8 +17,11 @@ import androidx.lifecycle.ViewModelProvider;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 
 import org.signal.core.util.concurrent.LifecycleDisposable;
+import org.signal.core.util.logging.Log;
+import org.signal.donations.StripeApi;
 import org.thoughtcrime.securesms.components.DebugLogsPromptDialogFragment;
 import org.thoughtcrime.securesms.components.PromptBatterySaverDialogFragment;
+import org.thoughtcrime.securesms.components.settings.app.AppSettingsActivity;
 import org.thoughtcrime.securesms.components.voice.VoiceNoteMediaController;
 import org.thoughtcrime.securesms.components.voice.VoiceNoteMediaControllerOwner;
 import org.thoughtcrime.securesms.conversationlist.RelinkDevicesReminderBottomSheetFragment;
@@ -89,10 +92,7 @@ public class MainActivity extends PassphraseRequiredActivity implements VoiceNot
     ConversationListTabRepository         repository = new ConversationListTabRepository();
     ConversationListTabsViewModel.Factory factory    = new ConversationListTabsViewModel.Factory(repository);
 
-    handleGroupLinkInIntent(getIntent());
+    handleDeeplinkIntent(getIntent());
-    handleProxyInIntent(getIntent());
-    handleSignalMeIntent(getIntent());
-    handleCallLinkInIntent(getIntent());
 
     CachedInflater.from(this).clear();
 
@@ -134,10 +134,7 @@ public class MainActivity extends PassphraseRequiredActivity implements VoiceNot
   @Override
   protected void onNewIntent(Intent intent) {
     super.onNewIntent(intent);
-    handleGroupLinkInIntent(intent);
+    handleDeeplinkIntent(intent);
-    handleProxyInIntent(intent);
-    handleSignalMeIntent(intent);
-    handleCallLinkInIntent(intent);
   }
 
   @Override
@@ -203,6 +200,14 @@ public class MainActivity extends PassphraseRequiredActivity implements VoiceNot
     return navigator;
   }
 
+  private void handleDeeplinkIntent(Intent intent) {
+    handleGroupLinkInIntent(intent);
+    handleProxyInIntent(intent);
+    handleSignalMeIntent(intent);
+    handleCallLinkInIntent(intent);
+    handleDonateReturnIntent(intent);
+  }
+
   private void handleGroupLinkInIntent(Intent intent) {
     Uri data = intent.getData();
     if (data != null) {
@@ -231,6 +236,13 @@ public class MainActivity extends PassphraseRequiredActivity implements VoiceNot
     }
   }
 
+  private void handleDonateReturnIntent(Intent intent) {
+    Uri data = intent.getData();
+    if (data != null && data.toString().startsWith(StripeApi.RETURN_URL_IDEAL)) {
+      startActivity(AppSettingsActivity.manageSubscriptions(this));
+    }
+  }
+
   public void onFirstRender() {
     onFirstRender = true;
   }

donations/lib/src/main/java/org/signal/donations/StripeApi.kt

@@ -44,6 +44,8 @@ class StripeApi(
 
     const val RETURN_URL_SCHEME = "sgnlpay"
     private const val RETURN_URL_3DS = "$RETURN_URL_SCHEME://3DS"
+
+    const val RETURN_URL_IDEAL = "https://signaldonations.org/stripe/return/ideal"
   }
 
   sealed class CreatePaymentIntentResult {
@@ -74,7 +76,7 @@ class StripeApi(
       val parameters = mutableMapOf(
         "client_secret" to setupIntent.intentClientSecret,
         "payment_method" to paymentMethodId,
-        "return_url" to RETURN_URL_3DS
+        "return_url" to if (paymentSource is IDEALPaymentSource) RETURN_URL_IDEAL else RETURN_URL_3DS
       )
 
       if (paymentSource.type.isBankTransfer) {
@@ -122,7 +124,7 @@ class StripeApi(
       val parameters = mutableMapOf(
         "client_secret" to paymentIntent.intentClientSecret,
         "payment_method" to paymentMethodId,
-        "return_url" to RETURN_URL_3DS
+        "return_url" to if (paymentSource is IDEALPaymentSource) RETURN_URL_IDEAL else RETURN_URL_3DS
       )
 
       if (paymentSource.type.isBankTransfer) {