create backup zip file

lib/src/constants/secure_storage_keys.dart

@@ -1,4 +1,7 @@
 class SecureStorageKeys {
   static const String signalIdentity = "signal_identity";
   static const String signalSignedPreKey = "signed_pre_key_store";
+  static const String apiAuthToken = "api_auth_token";
+  static const String googleFcm = "google_fcm";
+  static const String userData = "userData";
 }

lib/src/database/daos/signal_dao.dart

@@ -10,7 +10,6 @@ class SignalDao extends DatabaseAccessor<TwonlyDatabase> with _$SignalDaoMixin {
   // this constructor is required so that the main database can create an instance
   // of this object.
   SignalDao(super.db);
-
   Future deleteAllByContactId(int contactId) async {
     await (delete(signalContactPreKeys)
           ..where((t) => t.contactId.equals(contactId)))

lib/src/database/twonly_database.dart

@@ -129,4 +129,13 @@ class TwonlyDatabase extends _$TwonlyDatabase {
     notifyUpdates({TableUpdate.onTable(messages, kind: UpdateKind.update)});
     notifyUpdates({TableUpdate.onTable(contacts, kind: UpdateKind.update)});
   }
+
+  Future deleteDataForTwonlySafe() async {
+    await delete(messages).go();
+    await delete(messageRetransmissions).go();
+    await delete(mediaDownloads).go();
+    await delete(mediaUploads).go();
+    await delete(signalContactPreKeys).go();
+    await delete(signalContactSignedPreKeys).go();
+  }
 }

lib/src/services/api.service.dart

@@ -12,6 +12,7 @@ import 'package:mutex/mutex.dart';
 import 'package:package_info_plus/package_info_plus.dart';
 import 'package:twonly/globals.dart';
 import 'package:twonly/app.dart';
+import 'package:twonly/src/constants/secure_storage_keys.dart';
 import 'package:twonly/src/database/twonly_database.dart';
 import 'package:twonly/src/model/protobuf/api/websocket/client_to_server.pbserver.dart';
 import 'package:twonly/src/model/protobuf/api/websocket/error.pb.dart';
@@ -329,7 +330,8 @@ class ApiService {
 
   Future<bool> tryAuthenticateWithToken(int userId) async {
     final storage = FlutterSecureStorage();
-    String? apiAuthToken = await storage.read(key: "api_auth_token");
+    String? apiAuthToken =
+        await storage.read(key: SecureStorageKeys.apiAuthToken);
 
     if (apiAuthToken != null) {
       final authenticate = Handshake_Authenticate()
@@ -414,7 +416,8 @@ class ApiService {
     String apiAuthTokenB64 = base64Encode(apiAuthToken);
 
     final storage = FlutterSecureStorage();
-    await storage.write(key: "api_auth_token", value: apiAuthTokenB64);
+    await storage.write(
+        key: SecureStorageKeys.apiAuthToken, value: apiAuthTokenB64);
 
     await tryAuthenticateWithToken(userData.userId);
   }

lib/src/services/api/media_send.dart

@@ -13,6 +13,7 @@ import 'package:mutex/mutex.dart';
 import 'package:path/path.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:twonly/globals.dart';
+import 'package:twonly/src/constants/secure_storage_keys.dart';
 import 'package:twonly/src/database/tables/media_uploads_table.dart';
 import 'package:twonly/src/database/tables/messages_table.dart';
 import 'package:twonly/src/database/twonly_database.dart';
@@ -562,8 +563,8 @@ Future<bool> handleMediaUpload(MediaUpload media) async {
 
   final uploadRequestBytes = uploadRequest.writeToBuffer();
 
-  final storage = FlutterSecureStorage();
-  String? apiAuthToken = await storage.read(key: "api_auth_token");
+  String? apiAuthToken =
+      await FlutterSecureStorage().read(key: SecureStorageKeys.apiAuthToken);
   if (apiAuthToken == null) {
     Log.error("api auth token not defined.");
     return false;

lib/src/services/backup.identitiy.service.dart

@@ -1,8 +1,79 @@
 import 'dart:convert';
+import 'dart:io';
+import 'package:archive/archive_io.dart';
+import 'package:drift_flutter/drift_flutter.dart';
 import 'package:flutter/foundation.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:hashlib/hashlib.dart';
+import 'package:path/path.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:twonly/src/constants/secure_storage_keys.dart';
+import 'package:twonly/src/database/twonly_database.dart';
+import 'package:twonly/src/utils/log.dart';
 import 'package:twonly/src/utils/storage.dart';
 
+Future performTwonlySafeBackup() async {
+  Log.info("Starting new backup creation.");
+  final baseDir = (await getApplicationSupportDirectory()).path;
+
+  var originalDatabase = File(join(baseDir, "twonly_database.sqlite"));
+  var backupDir = Directory(join(baseDir, "backup_twonly_safe/"));
+  if (backupDir.existsSync()) {
+    await backupDir.delete(recursive: true);
+  }
+  await backupDir.create(recursive: true);
+
+  var backupDatabaseFile =
+      File(join(backupDir.path, "twonly_database.backup.sqlite"));
+
+  // copy database
+  await originalDatabase.copy(backupDatabaseFile.path);
+
+  final backupDB = TwonlyDatabase(
+    driftDatabase(
+      name: "twonly_database.backup",
+      native: DriftNativeOptions(
+        databaseDirectory: () async {
+          return backupDir;
+        },
+      ),
+    ),
+  );
+
+  await backupDB.deleteDataForTwonlySafe();
+
+  var secureStorageBackup = {};
+  final storage = FlutterSecureStorage();
+  secureStorageBackup[SecureStorageKeys.signalIdentity] =
+      await storage.read(key: SecureStorageKeys.signalIdentity);
+  secureStorageBackup[SecureStorageKeys.signalSignedPreKey] =
+      await storage.read(key: SecureStorageKeys.signalSignedPreKey);
+  secureStorageBackup[SecureStorageKeys.userData] =
+      await storage.read(key: SecureStorageKeys.userData);
+
+  var backupSecureStorage = File(join(backupDir.path, "secure_storage.json"));
+
+  await backupSecureStorage.writeAsString(jsonEncode(secureStorageBackup));
+
+  Log.info("Backup files created.");
+
+  var twonlySafeBackupZip = File(join(backupDir.path, "twonly_safe.zip"));
+
+  await createZipArchive(
+      twonlySafeBackupZip.path, [backupSecureStorage, backupDatabaseFile]);
+
+  // await backupDir.delete(recursive: true);
+}
+
+Future<void> createZipArchive(String zipFilePath, List<File> filesToZip) async {
+  final encoder = ZipFileEncoder();
+  encoder.create(zipFilePath);
+  for (var file in filesToZip) {
+    await encoder.addFile(file);
+  }
+  await encoder.close();
+}
+
 Future enableTwonlySafe(String password) async {
   final user = await getUser();
   if (user == null) return;
@@ -16,6 +87,7 @@ Future enableTwonlySafe(String password) async {
     return user;
   });
   startTwonlySafeBackup();
+  performTwonlySafeBackup();
 }
 
 Future disableTwonlySafe() async {

lib/src/services/fcm.service.dart

@@ -3,6 +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/app.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/utils/log.dart';
@@ -16,7 +17,7 @@ Future initFCMAfterAuthenticated() async {
 
   final storage = FlutterSecureStorage();
 
-  String? storedToken = await storage.read(key: "google_fcm");
+  String? storedToken = await storage.read(key: SecureStorageKeys.googleFcm);
 
   try {
     final fcmToken = await FirebaseMessaging.instance.getToken();
@@ -27,12 +28,12 @@ Future initFCMAfterAuthenticated() async {
 
     if (storedToken == null || fcmToken != storedToken) {
       await apiService.updateFCMToken(fcmToken);
-      await storage.write(key: "google_fcm", value: fcmToken);
+      await storage.write(key: SecureStorageKeys.googleFcm, value: fcmToken);
     }
 
     FirebaseMessaging.instance.onTokenRefresh.listen((fcmToken) async {
       await apiService.updateFCMToken(fcmToken);
-      await storage.write(key: "google_fcm", value: fcmToken);
+      await storage.write(key: SecureStorageKeys.googleFcm, value: fcmToken);
     }).onError((err) {
       Log.error("could not listen on token refresh");
     });

lib/src/utils/storage.dart

@@ -4,6 +4,7 @@ import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:mutex/mutex.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:provider/provider.dart';
+import 'package:twonly/src/constants/secure_storage_keys.dart';
 import 'package:twonly/src/model/json/userdata.dart';
 import 'package:twonly/src/providers/connection.provider.dart';
 import 'package:twonly/src/utils/log.dart';
@@ -17,8 +18,8 @@ Future<bool> isUserCreated() async {
 }
 
 Future<UserData?> getUser() async {
-  final storage = FlutterSecureStorage();
-  String? userJson = await storage.read(key: "userData");
+  String? userJson =
+      await FlutterSecureStorage().read(key: SecureStorageKeys.userData);
   if (userJson == null) {
     return null;
   }
@@ -51,8 +52,8 @@ Future<UserData?> updateUserdata(Function(UserData userData) updateUser) async {
     final user = await getUser();
     if (user == null) return null;
     UserData updated = updateUser(user);
-    final storage = FlutterSecureStorage();
-    storage.write(key: "userData", value: jsonEncode(updated));
+    FlutterSecureStorage()
+        .write(key: SecureStorageKeys.userData, value: jsonEncode(updated));
     return user;
   });
 }
@@ -62,7 +63,6 @@ Future<bool> deleteLocalUserData() async {
   if (appDir.existsSync()) {
     appDir.deleteSync(recursive: true);
   }
-  final storage = FlutterSecureStorage();
-  await storage.deleteAll();
+  await FlutterSecureStorage().deleteAll();
   return true;
 }

lib/src/views/register.view.dart

@@ -4,6 +4,7 @@ import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:twonly/globals.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:twonly/src/constants/secure_storage_keys.dart';
 import 'package:twonly/src/services/signal/identity.signal.dart';
 import 'package:twonly/src/utils/log.dart';
 import 'package:twonly/src/views/components/alert_dialog.dart';
@@ -32,8 +33,6 @@ class _RegisterViewState extends State<RegisterView> {
       _isTryingToRegister = true;
     });
 
-    final storage = FlutterSecureStorage();
-
     await createIfNotExistsSignalIdentity();
 
     int userId = 0;
@@ -66,7 +65,10 @@ class _RegisterViewState extends State<RegisterView> {
       subscriptionPlan: "Preview",
       isDemoUser: isDemoAccount,
     );
-    storage.write(key: "userData", value: jsonEncode(userData));
+
+    FlutterSecureStorage()
+        .write(key: SecureStorageKeys.userData, value: jsonEncode(userData));
+
     if (!isDemoAccount) {
       await apiService.authenticate();
     } else {

lib/src/views/settings/backup/backup.view.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:twonly/src/services/backup.identitiy.service.dart';
 import 'package:twonly/src/utils/misc.dart';
 import 'package:twonly/src/utils/storage.dart';
+import 'package:twonly/src/views/components/alert_dialog.dart';
 import 'package:twonly/src/views/settings/backup/twonly_safe_backup.view.dart';
 
 class BackupView extends StatefulWidget {
@@ -49,7 +50,11 @@ class _BackupViewState extends State<BackupView> {
             autoBackupEnabled: _twonlyIdBackupEnabled,
             onTap: () async {
               if (_twonlyIdBackupEnabled) {
-                await disableTwonlySafe();
+                bool disable = await showAlertDialog(context, "Are you sure?",
+                    "Without an backup, you can not restore your user account.");
+                if (disable) {
+                  await disableTwonlySafe();
+                }
               } else {
                 await Navigator.push(context,
                     MaterialPageRoute(builder: (context) {
@@ -110,7 +115,7 @@ class BackupOption extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return GestureDetector(
-      onTap: onTap,
+      onTap: (autoBackupEnabled) ? null : onTap,
       child: Card(
         margin: EdgeInsets.all(8.0),
         child: Padding(

lib/src/views/settings/notification.view.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.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/views/components/alert_dialog.dart';
 import 'package:twonly/src/services/fcm.service.dart';
 import 'package:twonly/src/services/notification.service.dart';
@@ -26,8 +27,8 @@ class NotificationView extends StatelessWidget {
             subtitle: Text(context.lang.settingsNotifyTroubleshootingDesc),
             onTap: () async {
               await initFCMAfterAuthenticated();
-              final storage = FlutterSecureStorage();
-              String? storedToken = await storage.read(key: "google_fcm");
+              String? storedToken = await FlutterSecureStorage()
+                  .read(key: SecureStorageKeys.googleFcm);
               await setupNotificationWithUsers(force: true);
               if (!context.mounted) return;
 

pubspec.lock

@@ -34,7 +34,7 @@ packages:
     source: hosted
     version: "7.4.5"
   archive:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: archive
       sha256: "2fde1607386ab523f7a36bb3e7edb43bd58e6edaf2ffb29d8a6d578b297fdbbd"

pubspec.yaml

@@ -67,6 +67,7 @@ dependencies:
   tutorial_coach_mark: ^1.3.0
   background_downloader: ^9.2.2
   hashlib: ^2.0.0
+  archive: ^4.0.7
 
 dev_dependencies:
   flutter_test: