fix: self-dos because of Skill Issues

lib/src/database/tables/media_uploads_table.dart

@@ -12,6 +12,7 @@ enum UploadState {
 
   pending,
   readyToUpload,
+  uploadTaskStarted,
   receiverNotified,
   // after all users notified all media files that are not storable by the other person will be deleted
 }

lib/src/services/api/media_upload.dart

@@ -357,13 +357,14 @@ Future finalizeUpload(int mediaUploadId, List<int> contactIds,
 
 final lockingHandleNextMediaUploadStep = Mutex();
 Future handleNextMediaUploadSteps(int mediaUploadId) async {
-  bool rerun = await lockingHandleNextMediaUploadStep.protect<bool>(() async {
+  await lockingHandleNextMediaUploadStep.protect(() async {
     var mediaUpload = await twonlyDB.mediaUploadsDao
         .getMediaUploadById(mediaUploadId)
         .getSingleOrNull();
 
     if (mediaUpload == null) return false;
-    if (mediaUpload.state == UploadState.receiverNotified) {
+    if (mediaUpload.state == UploadState.receiverNotified ||
+        mediaUpload.state == UploadState.uploadTaskStarted) {
       /// Upload done and all users are notified :)
       Log.info("$mediaUploadId is already done");
       return false;
@@ -380,16 +381,13 @@ Future handleNextMediaUploadSteps(int mediaUploadId) async {
         return false;
       }
 
-      return await handleMediaUpload(mediaUpload);
+      await handleMediaUpload(mediaUpload);
     } catch (e) {
       Log.error("Non recoverable error while sending media file: $e");
       await handleUploadError(mediaUpload);
     }
     return false;
   });
-  if (rerun) {
-    handleNextMediaUploadSteps(mediaUploadId);
-  }
 }
 
 ///
@@ -402,6 +400,8 @@ Future handleUploadStatusUpdate(TaskStatusUpdate update) async {
   bool failed = false;
   int mediaUploadId = int.parse(update.task.taskId.replaceAll("upload_", ""));
 
+  Log.info("Upload $mediaUploadId done.");
+
   MediaUpload? media = await twonlyDB.mediaUploadsDao
       .getMediaUploadById(mediaUploadId)
       .getSingleOrNull();
@@ -478,11 +478,11 @@ Future handleUploadError(MediaUpload mediaUpload) async {
   await twonlyDB.mediaUploadsDao.deleteMediaUpload(mediaUpload.mediaUploadId);
 }
 
-Future<bool> handleMediaUpload(MediaUpload media) async {
+Future handleMediaUpload(MediaUpload media) async {
   Uint8List bytesToUpload =
       await readSendMediaFile(media.mediaUploadId, "encrypted");
 
-  if (media.messageIds == null) return false;
+  if (media.messageIds == null) return;
 
   List<Uint8List> downloadTokens =
       createDownloadTokens(media.messageIds!.length);
@@ -571,7 +571,7 @@ Future<bool> handleMediaUpload(MediaUpload media) async {
       await FlutterSecureStorage().read(key: SecureStorageKeys.apiAuthToken);
   if (apiAuthToken == null) {
     Log.error("api auth token not defined.");
-    return false;
+    return;
   }
 
   File uploadRequestFile = await writeSendMediaFile(
@@ -600,11 +600,17 @@ Future<bool> handleMediaUpload(MediaUpload media) async {
 
     final result = await FileDownloader().enqueue(task);
 
-    return result;
+    if (result) {
+      await twonlyDB.mediaUploadsDao.updateMediaUpload(
+        media.mediaUploadId,
+        MediaUploadsCompanion(
+          state: Value(UploadState.uploadTaskStarted),
+        ),
+      );
+    }
   } catch (e) {
     Log.error("Exception during upload: $e");
   }
-  return false;
 }
 
 Future<bool> compressVideoIfExists(int mediaUploadId) async {

lib/src/services/api/server_messages.dart

@@ -206,8 +206,9 @@ Future<client.Response> handleNewMessage(int fromUserId, Uint8List body) async {
           avatarSvg: Value(content.avatarSvg),
           displayName: Value(content.displayName),
         );
-        twonlyDB.contactsDao.updateContact(fromUserId, update);
+        await twonlyDB.contactsDao.updateContact(fromUserId, update);
       }
+      createPushAvatars();
       break;
 
     case MessageKind.requestPushKey:

lib/src/services/fcm.service.dart

@@ -3,8 +3,7 @@ import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:twonly/globals.dart';
 import 'package:twonly/src/constants/secure_storage_keys.dart';
-import 'package:twonly/src/database/twonly_database.dart';
-import 'package:twonly/src/services/notification.service.dart';
+import 'package:twonly/src/services/notification.background.service.dart';
 import 'package:twonly/src/utils/log.dart';
 import 'dart:io' show Platform;
 import '../../firebase_options.dart';
@@ -79,9 +78,7 @@ Future initFCMService() async {
 Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
   initLogger();
   Log.info('Handling a background message: ${message.messageId}');
-  twonlyDB = TwonlyDatabase();
   await handleRemoteMessage(message);
-
   // make sure every thing run...
   await Future.delayed(Duration(milliseconds: 2000));
 }

lib/src/services/notification.background.service.dart

@@ -0,0 +1,282 @@
+import 'dart:async';
+import 'dart:convert';
+import 'dart:io';
+import 'dart:math';
+import 'package:cryptography_plus/cryptography_plus.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:twonly/src/services/notification.service.dart';
+import 'package:twonly/src/utils/log.dart';
+
+final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
+    FlutterLocalNotificationsPlugin();
+
+Future customLocalPushNotification(String title, String msg) async {
+  const AndroidNotificationDetails androidNotificationDetails =
+      AndroidNotificationDetails(
+    '1',
+    'System',
+    channelDescription: 'System messages.',
+    importance: Importance.max,
+    priority: Priority.max,
+  );
+
+  const DarwinNotificationDetails darwinNotificationDetails =
+      DarwinNotificationDetails();
+  const NotificationDetails notificationDetails = NotificationDetails(
+      android: androidNotificationDetails, iOS: darwinNotificationDetails);
+
+  await flutterLocalNotificationsPlugin.show(
+    999999 + Random.secure().nextInt(9999),
+    title,
+    msg,
+    notificationDetails,
+  );
+}
+
+Future handlePushData(String pushDataJson) async {
+  try {
+    String jsonString = utf8.decode(base64.decode(pushDataJson));
+    final pushData = PushNotification.fromJson(jsonDecode(jsonString));
+
+    PushKind? pushKind;
+    PushUser? pushUser;
+    int? fromUserId;
+
+    if (pushData.keyId == 0) {
+      List<int> key = "InsecureOnlyUsedForAddingContact".codeUnits;
+      pushKind = await tryDecryptMessage(key, pushData);
+    } else {
+      var pushKeys = await getPushKeys("receivingPushKeys");
+      for (final userId in pushKeys.keys) {
+        for (final key in pushKeys[userId]!.keys) {
+          if (key.id == pushData.keyId) {
+            pushKind = await tryDecryptMessage(key.key, pushData);
+            if (pushKind != null) {
+              pushUser = pushKeys[userId]!;
+              fromUserId = userId;
+              break;
+            }
+          }
+        }
+        // found correct key and user
+        if (pushUser != null) break;
+      }
+    }
+
+    if (pushKind != null) {
+      if (pushKind == PushKind.testNotification) {
+        await customLocalPushNotification(
+            "Test notification", "This is a test notification.");
+      } else if (pushUser != null && fromUserId != null) {
+        await showLocalPushNotification(pushUser, fromUserId, pushKind);
+      } else {
+        await showLocalPushNotificationWithoutUserId(pushKind);
+      }
+    }
+  } catch (e) {
+    Log.error(e);
+  }
+}
+
+Future<PushKind?> tryDecryptMessage(
+    List<int> key, PushNotification noti) async {
+  try {
+    final chacha20 = Chacha20.poly1305Aead();
+    SecretKeyData secretKeyData = SecretKeyData(key);
+
+    SecretBox secretBox = SecretBox(
+      noti.cipherText,
+      nonce: noti.nonce,
+      mac: Mac(noti.mac),
+    );
+
+    final plaintext =
+        await chacha20.decrypt(secretBox, secretKey: secretKeyData);
+    final plaintextString = utf8.decode(plaintext);
+    return PushKindExtension.fromString(plaintextString);
+  } catch (e) {
+    // this error is allowed to happen...
+    return null;
+  }
+}
+
+Future showLocalPushNotification(
+  PushUser pushUser,
+  int fromUserId,
+  PushKind pushKind,
+) async {
+  String? title;
+  String? body;
+
+  // do not show notification for blocked users...
+  if (pushUser.blocked) {
+    Log.info("Blocked a message from a blocked user!");
+    return;
+  }
+
+  title = pushUser.displayName;
+  body = getPushNotificationText(pushKind);
+  if (body == "") {
+    Log.error("No push notification type defined!");
+  }
+
+  FilePathAndroidBitmap? styleInformation;
+  String? avatarPath = await getAvatarIcon(fromUserId);
+  if (avatarPath != null) {
+    styleInformation = FilePathAndroidBitmap(avatarPath);
+  }
+
+  AndroidNotificationDetails androidNotificationDetails =
+      AndroidNotificationDetails('0', 'Messages',
+          channelDescription: 'Messages from other users.',
+          importance: Importance.max,
+          priority: Priority.max,
+          ticker: 'You got a new message.',
+          largeIcon: styleInformation);
+
+  const DarwinNotificationDetails darwinNotificationDetails =
+      DarwinNotificationDetails();
+  NotificationDetails notificationDetails = NotificationDetails(
+      android: androidNotificationDetails, iOS: darwinNotificationDetails);
+
+  await flutterLocalNotificationsPlugin.show(
+    fromUserId,
+    title,
+    body,
+    notificationDetails,
+    payload: pushKind.name,
+  );
+}
+
+Future showLocalPushNotificationWithoutUserId(
+  PushKind pushKind,
+) async {
+  String? title;
+  String? body;
+
+  body = getPushNotificationTextWithoutUserId(pushKind);
+  if (body == "") {
+    Log.error("No push notification type defined!");
+  }
+
+  AndroidNotificationDetails androidNotificationDetails =
+      AndroidNotificationDetails('0', 'Messages',
+          channelDescription: 'Messages from other users.',
+          importance: Importance.max,
+          priority: Priority.max,
+          ticker: 'You got a new message.');
+
+  const DarwinNotificationDetails darwinNotificationDetails =
+      DarwinNotificationDetails();
+  NotificationDetails notificationDetails = NotificationDetails(
+      android: androidNotificationDetails, iOS: darwinNotificationDetails);
+
+  await flutterLocalNotificationsPlugin.show(
+    2,
+    title,
+    body,
+    notificationDetails,
+    payload: pushKind.name,
+  );
+}
+
+Future<String?> getAvatarIcon(int contactId) async {
+  final directory = await getApplicationCacheDirectory();
+  final avatarsDirectory = Directory('${directory.path}/avatars');
+  final filePath = '${avatarsDirectory.path}/$contactId.png';
+  final file = File(filePath);
+  if (file.existsSync()) {
+    return filePath;
+  }
+  return null;
+}
+
+String getPushNotificationTextWithoutUserId(PushKind pushKind) {
+  Map<String, String> pushNotificationText;
+
+  String systemLanguage = Platform.localeName;
+
+  if (systemLanguage.contains("de")) {
+    pushNotificationText = {
+      PushKind.text.name: "Du hast eine neue Nachricht erhalten.",
+      PushKind.twonly.name: "Du hast ein neues twonly erhalten.",
+      PushKind.video.name: "Du hast ein neues Video erhalten.",
+      PushKind.image.name: "Du hast ein neues Bild erhalten.",
+      PushKind.contactRequest.name:
+          "Du hast eine neue Kontaktanfrage erhalten.",
+      PushKind.acceptRequest.name: "Deine Kontaktanfrage wurde angenommen.",
+      PushKind.storedMediaFile.name: "Dein Bild wurde gespeichert.",
+      PushKind.reaction.name: "Du hast eine Reaktion auf dein Bild erhalten.",
+      PushKind.reopenedMedia.name: "Dein Bild wurde erneut geöffnet.",
+      PushKind.reactionToVideo.name:
+          "Du hast eine Reaktion auf dein Video erhalten.",
+      PushKind.reactionToText.name:
+          "Du hast eine Reaktion auf deinen Text erhalten.",
+      PushKind.reactionToImage.name:
+          "Du hast eine Reaktion auf dein Bild erhalten.",
+      PushKind.response.name: "Du hast eine Antwort erhalten.",
+    };
+  } else {
+    pushNotificationText = {
+      PushKind.text.name: "You have received a new message.",
+      PushKind.twonly.name: "You have received a new twonly.",
+      PushKind.video.name: "You have received a new video.",
+      PushKind.image.name: "You have received a new image.",
+      PushKind.contactRequest.name: "You have received a new contact request.",
+      PushKind.acceptRequest.name: "Your contact request has been accepted.",
+      PushKind.storedMediaFile.name: "Your image has been saved.",
+      PushKind.reaction.name: "You have received a reaction to your image.",
+      PushKind.reopenedMedia.name: "Your image has been reopened.",
+      PushKind.reactionToVideo.name:
+          "You have received a reaction to your video.",
+      PushKind.reactionToText.name:
+          "You have received a reaction to your text.",
+      PushKind.reactionToImage.name:
+          "You have received a reaction to your image.",
+      PushKind.response.name: "You have received a response.",
+    };
+  }
+  return pushNotificationText[pushKind.name] ?? "";
+}
+
+String getPushNotificationText(PushKind pushKind) {
+  String systemLanguage = Platform.localeName;
+
+  Map<String, String> pushNotificationText;
+
+  if (systemLanguage.contains("de")) {
+    pushNotificationText = {
+      PushKind.text.name: "hat dir eine Nachricht gesendet.",
+      PushKind.twonly.name: "hat dir ein twonly gesendet.",
+      PushKind.video.name: "hat dir ein Video gesendet.",
+      PushKind.image.name: "hat dir ein Bild gesendet.",
+      PushKind.contactRequest.name: "möchte sich mit dir vernetzen.",
+      PushKind.acceptRequest.name: "ist jetzt mit dir vernetzt.",
+      PushKind.storedMediaFile.name: "hat dein Bild gespeichert.",
+      PushKind.reaction.name: "hat auf dein Bild reagiert.",
+      PushKind.reopenedMedia.name: "hat dein Bild erneut geöffnet.",
+      PushKind.reactionToVideo.name: "hat auf dein Video reagiert.",
+      PushKind.reactionToText.name: "hat auf deinen Text reagiert.",
+      PushKind.reactionToImage.name: "hat auf dein Bild reagiert.",
+      PushKind.response.name: "hat dir geantwortet.",
+    };
+  } else {
+    pushNotificationText = {
+      PushKind.text.name: "has sent you a message.",
+      PushKind.twonly.name: "has sent you a twonly.",
+      PushKind.video.name: "has sent you a video.",
+      PushKind.image.name: "has sent you an image.",
+      PushKind.contactRequest.name: "wants to connect with you.",
+      PushKind.acceptRequest.name: "is now connected with you.",
+      PushKind.storedMediaFile.name: "has stored your image.",
+      PushKind.reaction.name: "has reacted to your image.",
+      PushKind.reopenedMedia.name: "has reopened your image.",
+      PushKind.reactionToVideo.name: "has reacted to your video.",
+      PushKind.reactionToText.name: "has reacted to your text.",
+      PushKind.reactionToImage.name: "has reacted to your image.",
+      PushKind.response.name: "has responded.",
+    };
+  }
+  return pushNotificationText[pushKind.name] ?? "";
+}

lib/src/services/notification.service.dart

@@ -290,72 +290,6 @@ Future<Uint8List?> getPushData(int toUserId, PushKind kind) async {
   return Utf8Encoder().convert(jsonEncode(res.toJson()));
 }
 
-Future<PushKind?> tryDecryptMessage(
-    List<int> key, PushNotification noti) async {
-  try {
-    final chacha20 = Chacha20.poly1305Aead();
-    SecretKeyData secretKeyData = SecretKeyData(key);
-
-    SecretBox secretBox = SecretBox(
-      noti.cipherText,
-      nonce: noti.nonce,
-      mac: Mac(noti.mac),
-    );
-
-    final plaintext =
-        await chacha20.decrypt(secretBox, secretKey: secretKeyData);
-    final plaintextString = utf8.decode(plaintext);
-    return PushKindExtension.fromString(plaintextString);
-  } catch (e) {
-    // this error is allowed to happen...
-    return null;
-  }
-}
-
-Future handlePushData(String pushDataJson) async {
-  try {
-    String jsonString = utf8.decode(base64.decode(pushDataJson));
-    final pushData = PushNotification.fromJson(jsonDecode(jsonString));
-
-    PushKind? pushKind;
-    int? fromUserId;
-
-    if (pushData.keyId == 0) {
-      List<int> key = "InsecureOnlyUsedForAddingContact".codeUnits;
-      pushKind = await tryDecryptMessage(key, pushData);
-    } else {
-      var pushKeys = await getPushKeys("receivingPushKeys");
-      for (final userId in pushKeys.keys) {
-        for (final key in pushKeys[userId]!.keys) {
-          if (key.id == pushData.keyId) {
-            pushKind = await tryDecryptMessage(key.key, pushData);
-            if (pushKind != null) {
-              fromUserId = userId;
-              break;
-            }
-          }
-        }
-        // found correct key and user
-        if (fromUserId != null) break;
-      }
-    }
-
-    if (pushKind != null) {
-      if (pushKind == PushKind.testNotification) {
-        await customLocalPushNotification(
-            "Test notification", "This is a test notification.");
-      } else if (fromUserId != null) {
-        await showLocalPushNotification(fromUserId, pushKind);
-      } else {
-        await showLocalPushNotificationWithoutUserId(pushKind);
-        await setupNotificationWithUsers();
-      }
-    }
-  } catch (e) {
-    Log.error(e);
-  }
-}
-
 Future<Map<int, PushUser>> getPushKeys(String storageKey) async {
   var storage = FlutterSecureStorage();
   String? pushKeysJson = await storage.read(
@@ -455,229 +389,34 @@ Future<void> setupPushNotification() async {
   );
 }
 
-Future showLocalPushNotification(
-  int fromUserId,
-  PushKind pushKind,
-) async {
-  String? title;
-  String? body;
-
-  Contact? user = await twonlyDB.contactsDao
-      .getContactByUserId(fromUserId)
-      .getSingleOrNull();
-
-  if (user == null) return;
-
-  // do not show notification for blocked users...
-  if (user.blocked) {
-    Log.info("Blocked a message from a blocked user!");
-    return;
+Future createPushAvatars() async {
+  if (!Platform.isAndroid) {
+    return; // avatars currently only shown in Android...
   }
+  final contacts = await twonlyDB.contactsDao.getAllNotBlockedContacts();
 
-  title = getContactDisplayName(user);
-  body = getPushNotificationText(pushKind);
-  if (body == "") {
-    Log.error("No push notification type defined!");
+  for (final contact in contacts) {
+    if (contact.avatarSvg == null) return null;
+
+    final PictureInfo pictureInfo =
+        await vg.loadPicture(SvgStringLoader(contact.avatarSvg!), null);
+
+    final ui.Image image = await pictureInfo.picture.toImage(300, 300);
+
+    final ByteData? byteData =
+        await image.toByteData(format: ui.ImageByteFormat.png);
+    final Uint8List pngBytes = byteData!.buffer.asUint8List();
+
+    // Get the directory to save the image
+    final directory = await getApplicationCacheDirectory();
+    final avatarsDirectory = Directory('${directory.path}/avatars');
+
+    // Create the avatars directory if it does not exist
+    if (!await avatarsDirectory.exists()) {
+      await avatarsDirectory.create(recursive: true);
+    }
+    final filePath = '${avatarsDirectory.path}/${contact.userId}.png';
+    await File(filePath).writeAsBytes(pngBytes);
+    pictureInfo.picture.dispose();
   }
-
-  FilePathAndroidBitmap? styleInformation;
-  String? avatarPath = await getAvatarIcon(user);
-  if (avatarPath != null) {
-    styleInformation = FilePathAndroidBitmap(avatarPath);
-  }
-
-  AndroidNotificationDetails androidNotificationDetails =
-      AndroidNotificationDetails('0', 'Messages',
-          channelDescription: 'Messages from other users.',
-          importance: Importance.max,
-          priority: Priority.max,
-          ticker: 'You got a new message.',
-          largeIcon: styleInformation);
-
-  const DarwinNotificationDetails darwinNotificationDetails =
-      DarwinNotificationDetails();
-  NotificationDetails notificationDetails = NotificationDetails(
-      android: androidNotificationDetails, iOS: darwinNotificationDetails);
-
-  await flutterLocalNotificationsPlugin.show(
-    fromUserId,
-    title,
-    body,
-    notificationDetails,
-    payload: pushKind.name,
-  );
-}
-
-Future showLocalPushNotificationWithoutUserId(
-  PushKind pushKind,
-) async {
-  String? title;
-  String? body;
-
-  body = getPushNotificationTextWithoutUserId(pushKind);
-  if (body == "") {
-    Log.error("No push notification type defined!");
-  }
-
-  AndroidNotificationDetails androidNotificationDetails =
-      AndroidNotificationDetails('0', 'Messages',
-          channelDescription: 'Messages from other users.',
-          importance: Importance.max,
-          priority: Priority.max,
-          ticker: 'You got a new message.');
-
-  const DarwinNotificationDetails darwinNotificationDetails =
-      DarwinNotificationDetails();
-  NotificationDetails notificationDetails = NotificationDetails(
-      android: androidNotificationDetails, iOS: darwinNotificationDetails);
-
-  await flutterLocalNotificationsPlugin.show(
-    2,
-    title,
-    body,
-    notificationDetails,
-    payload: pushKind.name,
-  );
-}
-
-Future customLocalPushNotification(String title, String msg) async {
-  const AndroidNotificationDetails androidNotificationDetails =
-      AndroidNotificationDetails(
-    '1',
-    'System',
-    channelDescription: 'System messages.',
-    importance: Importance.max,
-    priority: Priority.max,
-  );
-
-  const DarwinNotificationDetails darwinNotificationDetails =
-      DarwinNotificationDetails();
-  const NotificationDetails notificationDetails = NotificationDetails(
-      android: androidNotificationDetails, iOS: darwinNotificationDetails);
-
-  await flutterLocalNotificationsPlugin.show(
-    999999 + Random.secure().nextInt(9999),
-    title,
-    msg,
-    notificationDetails,
-  );
-}
-
-String getPushNotificationTextWithoutUserId(PushKind pushKind) {
-  Map<String, String> pushNotificationText;
-
-  String systemLanguage = Platform.localeName;
-
-  if (systemLanguage.contains("de")) {
-    pushNotificationText = {
-      PushKind.text.name: "Du hast eine neue Nachricht erhalten.",
-      PushKind.twonly.name: "Du hast ein neues twonly erhalten.",
-      PushKind.video.name: "Du hast ein neues Video erhalten.",
-      PushKind.image.name: "Du hast ein neues Bild erhalten.",
-      PushKind.contactRequest.name:
-          "Du hast eine neue Kontaktanfrage erhalten.",
-      PushKind.acceptRequest.name: "Deine Kontaktanfrage wurde angenommen.",
-      PushKind.storedMediaFile.name: "Dein Bild wurde gespeichert.",
-      PushKind.reaction.name: "Du hast eine Reaktion auf dein Bild erhalten.",
-      PushKind.reopenedMedia.name: "Dein Bild wurde erneut geöffnet.",
-      PushKind.reactionToVideo.name:
-          "Du hast eine Reaktion auf dein Video erhalten.",
-      PushKind.reactionToText.name:
-          "Du hast eine Reaktion auf deinen Text erhalten.",
-      PushKind.reactionToImage.name:
-          "Du hast eine Reaktion auf dein Bild erhalten.",
-      PushKind.response.name: "Du hast eine Antwort erhalten.",
-    };
-  } else {
-    pushNotificationText = {
-      PushKind.text.name: "You have received a new message.",
-      PushKind.twonly.name: "You have received a new twonly.",
-      PushKind.video.name: "You have received a new video.",
-      PushKind.image.name: "You have received a new image.",
-      PushKind.contactRequest.name: "You have received a new contact request.",
-      PushKind.acceptRequest.name: "Your contact request has been accepted.",
-      PushKind.storedMediaFile.name: "Your image has been saved.",
-      PushKind.reaction.name: "You have received a reaction to your image.",
-      PushKind.reopenedMedia.name: "Your image has been reopened.",
-      PushKind.reactionToVideo.name:
-          "You have received a reaction to your video.",
-      PushKind.reactionToText.name:
-          "You have received a reaction to your text.",
-      PushKind.reactionToImage.name:
-          "You have received a reaction to your image.",
-      PushKind.response.name: "You have received a response.",
-    };
-  }
-  return pushNotificationText[pushKind.name] ?? "";
-}
-
-String getPushNotificationText(PushKind pushKind) {
-  String systemLanguage = Platform.localeName;
-
-  Map<String, String> pushNotificationText;
-
-  if (systemLanguage.contains("de")) {
-    pushNotificationText = {
-      PushKind.text.name: "hat dir eine Nachricht gesendet.",
-      PushKind.twonly.name: "hat dir ein twonly gesendet.",
-      PushKind.video.name: "hat dir ein Video gesendet.",
-      PushKind.image.name: "hat dir ein Bild gesendet.",
-      PushKind.contactRequest.name: "möchte sich mit dir vernetzen.",
-      PushKind.acceptRequest.name: "ist jetzt mit dir vernetzt.",
-      PushKind.storedMediaFile.name: "hat dein Bild gespeichert.",
-      PushKind.reaction.name: "hat auf dein Bild reagiert.",
-      PushKind.reopenedMedia.name: "hat dein Bild erneut geöffnet.",
-      PushKind.reactionToVideo.name: "hat auf dein Video reagiert.",
-      PushKind.reactionToText.name: "hat auf deinen Text reagiert.",
-      PushKind.reactionToImage.name: "hat auf dein Bild reagiert.",
-      PushKind.response.name: "hat dir geantwortet.",
-    };
-  } else {
-    pushNotificationText = {
-      PushKind.text.name: "has sent you a message.",
-      PushKind.twonly.name: "has sent you a twonly.",
-      PushKind.video.name: "has sent you a video.",
-      PushKind.image.name: "has sent you an image.",
-      PushKind.contactRequest.name: "wants to connect with you.",
-      PushKind.acceptRequest.name: "is now connected with you.",
-      PushKind.storedMediaFile.name: "has stored your image.",
-      PushKind.reaction.name: "has reacted to your image.",
-      PushKind.reopenedMedia.name: "has reopened your image.",
-      PushKind.reactionToVideo.name: "has reacted to your video.",
-      PushKind.reactionToText.name: "has reacted to your text.",
-      PushKind.reactionToImage.name: "has reacted to your image.",
-      PushKind.response.name: "has responded.",
-    };
-  }
-  return pushNotificationText[pushKind.name] ?? "";
-}
-
-Future<String?> getAvatarIcon(Contact user) async {
-  if (user.avatarSvg == null) return null;
-
-  final PictureInfo pictureInfo =
-      await vg.loadPicture(SvgStringLoader(user.avatarSvg!), null);
-
-  final ui.Image image = await pictureInfo.picture.toImage(300, 300);
-
-  final ByteData? byteData =
-      await image.toByteData(format: ui.ImageByteFormat.png);
-  final Uint8List pngBytes = byteData!.buffer.asUint8List();
-
-  // Get the directory to save the image
-  final directory = await getApplicationCacheDirectory();
-  final avatarsDirectory = Directory('${directory.path}/avatars');
-
-  // Create the avatars directory if it does not exist
-  if (!await avatarsDirectory.exists()) {
-    await avatarsDirectory.create(recursive: true);
-  }
-
-  final filePath = '${avatarsDirectory.path}/${user.userId}.png';
-  final file = File(filePath);
-  await file.writeAsBytes(pngBytes);
-
-  pictureInfo.picture.dispose();
-
-  return filePath;
 }

lib/src/services/twonly_safe/create_backup.twonly_safe.dart

@@ -21,7 +21,6 @@ Future performTwonlySafeBackup({bool force = false}) async {
   final user = await getUser();
 
   if (user == null || user.twonlySafeBackup == null || user.isDemoUser) {
-    Log.warn("perform twonly safe backup was called while it is disabled");
     return;
   }