Merge remote-tracking branch 'origin/main' into autobackup

mobile/apps/auth/.gitignore

@@ -8,6 +8,7 @@
 .buildlog/
 .history
 .svn/
+android/app/build/
 
 # Editors
 .vscode/

mobile/apps/auth/lib/l10n/arb/app_en.arb

@@ -527,5 +527,24 @@
   "errorInvalidQRCodeBody": "The scanned QR code is not a valid 2FA account.",
   "errorNoQRCode": "No QR code found",
   "errorGenericTitle": "An Error Occurred",
-  "errorGenericBody": "An unexpected error occurred while importing."
+  "errorGenericBody": "An unexpected error occurred while importing.",
+  "localBackupSettingsTitle": "Local backup",
+  "localBackupSidebarTitle": "Local backup",
+  "enableAutomaticBackups": "Enable automatic backups",
+  "backupDescription": "This will automatically backup your data to an on-device location. Backups are updated whenever entries are added, edited or deleted",
+  "currentLocation": "Current backup location:",
+  "securityNotice": "Security notice",
+  "backupSecurityNotice": "This encrypted backup holds your 2FA keys. If lost, you may not be able to recover your accounts. Keep it safe!",
+  "locationUpdatedAndBackupCreated": "Location updated and initial backup created!",
+  "initialBackupCreated": "Initial backup created!",
+  "passwordTooShort": "Password must be at least 8 characters long.",
+  "noDefaultBackupFolder": "Could not create default backup folder.",
+  "backupLocationChoiceDescription": "Where do you want to save your backups?",
+  "chooseBackupLocation": "Choose a backup location",
+  "loadDefaultLocation": "Loading default location...",
+  "couldNotDetermineLocation":"Could not determine location...",
+  "saveAction":"Save",
+  "saveBackup":"Save backup",
+  "changeLocation": "Change location",
+  "changeCurrentLocation": "Change current location"
 }

mobile/apps/auth/lib/services/local_backup_service.dart

@@ -0,0 +1,177 @@
+import 'dart:convert';
+import 'dart:io';
+import 'package:ente_auth/models/export/ente.dart';
+import 'package:ente_auth/store/code_store.dart';
+import 'package:ente_crypto_dart/ente_crypto_dart.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:intl/intl.dart';  //for time based file naming
+import 'package:logging/logging.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+//we gonn change
+
+class LocalBackupService {
+  final _logger = Logger('LocalBackupService');
+  static final LocalBackupService instance =
+      LocalBackupService._privateConstructor();
+  LocalBackupService._privateConstructor();
+
+  static const int _maxBackups = 2;
+
+  // to create an encrypted backup file if the toggle is on
+  Future<void> triggerAutomaticBackup() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+
+      final isEnabled = prefs.getBool('isAutoBackupEnabled') ?? false;
+      if (!isEnabled) {
+        return;
+      }
+
+      final backupPath = prefs.getString('autoBackupPath');
+      if (backupPath == null) {
+        return;
+      }
+      
+      const storage = FlutterSecureStorage();
+      final password = await storage.read(key: 'autoBackupPassword');
+      if (password == null || password.isEmpty) {
+        _logger.warning("Automatic backup skipped: password not set.");
+        return;
+      }
+
+      _logger.info("Change detected, triggering automatic encrypted backup...");
+
+
+      String rawContent = await CodeStore.instance.getCodesForExport();
+
+      List<String> lines = rawContent.split('\n');
+      List<String> cleanedLines = [];
+
+      for (String line in lines) {
+        if (line.trim().isEmpty) continue;
+  
+        String cleanUrl;
+        if (line.startsWith('"') && line.endsWith('"')) {
+          cleanUrl = jsonDecode(line); 
+        }
+
+        else {
+          cleanUrl = line;
+        }
+
+        cleanedLines.add(cleanUrl);
+      }
+
+      final plainTextContent = cleanedLines.join('\n');
+
+      if (plainTextContent.trim().isEmpty) {
+        return;
+      }
+
+      final kekSalt = CryptoUtil.getSaltToDeriveKey();
+      final derivedKeyResult = await CryptoUtil.deriveSensitiveKey(
+        utf8.encode(password),
+        kekSalt,
+      );
+      
+      final encResult = await CryptoUtil.encryptData(
+        utf8.encode(plainTextContent),
+        derivedKeyResult.key,
+      );
+
+      final encContent = CryptoUtil.bin2base64(encResult.encryptedData!);
+      final encNonce = CryptoUtil.bin2base64(encResult.header!);
+
+      final EnteAuthExport data = EnteAuthExport(
+        version: 1,
+        encryptedData: encContent,
+        encryptionNonce: encNonce,
+        kdfParams: KDFParams(
+          memLimit: derivedKeyResult.memLimit,
+          opsLimit: derivedKeyResult.opsLimit,
+          salt: CryptoUtil.bin2base64(kekSalt),
+        ),
+      );
+      
+      final encryptedJson = jsonEncode(data.toJson());
+
+      final now = DateTime.now();
+      final formatter = DateFormat('yyyy-MM-dd_HH-mm-ss');
+      final formattedDate = formatter.format(now);
+      final fileName = 'ente-auth-auto-backup-$formattedDate.json';
+
+      final filePath = '$backupPath/$fileName';
+      final backupFile = File(filePath);
+      
+      await backupFile.writeAsString(encryptedJson);
+      await _manageOldBackups(backupPath);
+
+      _logger.info('Automatic encrypted backup successful! Saved to: $filePath');
+    } catch (e, s) {
+      _logger.severe('Silent error during automatic backup', e, s);
+    }
+  }
+
+  Future<void> _manageOldBackups(String backupPath) async {
+    try {
+      _logger.info("Checking for old backups to clean up...");
+      final directory = Directory(backupPath);
+
+      // fetch all filenames in the folder, filter out ente backup files
+      final files = directory.listSync()
+          .where((entity) =>
+              entity is File &&
+              entity.path.split('/').last.startsWith('ente-auth-auto-backup-'),)
+          .map((entity) => entity as File)
+          .toList();
+
+      // sort the fetched files in asc order (oldest first because the name is a timestamp)
+      files.sort((a, b) => a.path.compareTo(b.path));
+
+      // if we have more files than our limit, delete the oldest ones (current limit=_maxBackups)
+      while (files.length > _maxBackups) {
+  // remove the oldest file (at index 0) from the list
+  final fileToDelete = files.removeAt(0); 
+  // and delete it from the device's storage..
+  await fileToDelete.delete(); 
+  _logger.info('Deleted old backup: ${fileToDelete.path}');
+}
+_logger.info('Backup count is now ${files.length}. Cleanup complete.');
+    } catch (e, s) {
+      _logger.severe('Error during old backup cleanup', e, s);
+    }
+  }
+
+  Future<void> deleteAllBackupsIn(String path) async {
+    try {
+      _logger.info("Deleting all backups in old location: $path");
+      final directory = Directory(path);
+
+      if (!await directory.exists()) {
+        _logger.warning("Old backup directory not found. Nothing to delete.");
+        return;
+      }
+
+      final files = directory.listSync()
+          .where((entity) =>
+              entity is File &&
+              entity.path.split('/').last.startsWith('ente-auth-auto-backup-'),)
+          .map((entity) => entity as File)
+          .toList();
+
+      if (files.isEmpty) {
+        _logger.info("No old backup files found to delete.");
+        return;
+      }
+      
+      for (final file in files) {
+        await file.delete();
+        _logger.info('Deleted: ${file.path}');
+      }
+      _logger.info("Successfully cleaned up old backup location.");
+
+    } catch (e, s) {
+      _logger.severe('Error during full backup cleanup of old directory', e, s);
+    }
+  }
+}

mobile/apps/auth/lib/store/code_store.dart

@@ -7,6 +7,7 @@ import 'package:ente_auth/events/codes_updated_event.dart';
 import 'package:ente_auth/models/authenticator/entity_result.dart';
 import 'package:ente_auth/models/code.dart';
 import 'package:ente_auth/services/authenticator_service.dart';
+import 'package:ente_auth/services/local_backup_service.dart';
 import 'package:ente_auth/store/offline_authenticator_db.dart';
 import 'package:ente_events/event_bus.dart';
 import 'package:logging/logging.dart';
@@ -64,6 +65,27 @@ class CodeStore {
     return true;
   }
 
+  Future<void> updateCode(Code originalCode, Code updatedCode, {bool shouldSync = true}) async {
+    if (updatedCode.generatedID == null) return; 
+
+    await _authenticatorService.updateEntry(
+      updatedCode.generatedID!,
+      updatedCode.toOTPAuthUrlFormat(),
+      shouldSync, 
+      _authenticatorService.getAccountMode(),
+    );
+    Bus.instance.fire(CodesUpdatedEvent());
+
+    final bool isMajorChange = originalCode.issuer != updatedCode.issuer ||
+        originalCode.account != updatedCode.account ||
+        originalCode.secret != updatedCode.secret ||
+        originalCode.display.note != updatedCode.display.note;
+        
+    if (isMajorChange) {
+      LocalBackupService.instance.triggerAutomaticBackup().ignore();
+    }
+  }
+
   Future<List<Code>> getAllCodes({
     AccountMode? accountMode,
     bool sortCodes = true,
@@ -95,7 +117,6 @@ class CodeStore {
     }
 
     if (sortCodes) {
-      // sort codes by issuer,account
       codes.sort((firstCode, secondCode) {
         if (secondCode.isPinned && !firstCode.isPinned) return 1;
         if (!secondCode.isPinned && firstCode.isPinned) return -1;
@@ -120,13 +141,17 @@ class CodeStore {
     bool shouldSync = true,
     AccountMode? accountMode,
     List<Code>? existingAllCodes,
+    bool isFrequencyOrRecencyUpdate = false,
   }) async {
+
     final mode = accountMode ?? _authenticatorService.getAccountMode();
     final allCodes = existingAllCodes ?? (await getAllCodes(accountMode: mode));
     bool isExistingCode = false;
     bool hasSameCode = false;
+
     for (final existingCode in allCodes) {
       if (existingCode.hasError) continue;
+
       if (code.generatedID != null &&
           existingCode.generatedID == code.generatedID) {
         isExistingCode = true;
@@ -148,6 +173,9 @@ class CodeStore {
         shouldSync,
         mode,
       );
+      if (!isFrequencyOrRecencyUpdate) {
+        LocalBackupService.instance.triggerAutomaticBackup().ignore();
+      }
     } else {
       result = AddResult.newCode;
       code.generatedID = await _authenticatorService.addEntry(
@@ -155,6 +183,7 @@ class CodeStore {
         shouldSync,
         mode,
       );
+      LocalBackupService.instance.triggerAutomaticBackup().ignore();
     }
     Bus.instance.fire(CodesUpdatedEvent());
     return result;
@@ -164,6 +193,7 @@ class CodeStore {
     final mode = accountMode ?? _authenticatorService.getAccountMode();
     await _authenticatorService.deleteEntry(code.generatedID!, mode);
     Bus.instance.fire(CodesUpdatedEvent());
+    LocalBackupService.instance.triggerAutomaticBackup().ignore();
   }
 
   bool _isOfflineImportRunning = false;
@@ -214,7 +244,6 @@ class CodeStore {
           'importingCode: genID ${eachCode.generatedID} & isAlreadyPresent $alreadyPresent',
         );
         if (!alreadyPresent) {
-          // Avoid conflict with generatedID of online codes
           eachCode.generatedID = null;
           final AddResult result = await CodeStore.instance.addCode(
             eachCode,
@@ -236,10 +265,21 @@ class CodeStore {
       _isOfflineImportRunning = false;
     }
   }
+
+  Future<String> getCodesForExport() async {
+  final allCodes = await getAllCodes(sortCodes: false);
+  String data = "";
+  for (final code in allCodes) {
+    if (code.hasError) continue;
+    data += "${code.toOTPAuthUrlFormat()}\n";
+  }
+  return data;
+}
+
 }
 
 enum AddResult {
   newCode,
   duplicate,
   updateCode,
-}
+}

mobile/apps/auth/lib/ui/code_widget.dart

@@ -478,7 +478,7 @@ class _CodeWidgetState extends State<CodeWidget> {
       _getCurrentOTP(),
       confirmationMessage: context.l10n.copiedToClipboard,
     );
-    _udateCodeMetadata().ignore();
+    _updateCodeMetadata().ignore();
   }
 
   void _copyNextToClipboard() {
@@ -486,10 +486,10 @@ class _CodeWidgetState extends State<CodeWidget> {
       _getNextTotp(),
       confirmationMessage: context.l10n.copiedNextToClipboard,
     );
-    _udateCodeMetadata().ignore();
+    _updateCodeMetadata().ignore();
   }
 
-  Future<void> _udateCodeMetadata() async {
+  Future<void> _updateCodeMetadata() async {
     if (widget.sortKey == null) return;
     Future.delayed(const Duration(milliseconds: 100), () {
       if (mounted) {
@@ -502,7 +502,7 @@ class _CodeWidgetState extends State<CodeWidget> {
               lastUsedAt: DateTime.now().microsecondsSinceEpoch,
             ),
           );
-          unawaited(CodeStore.instance.addCode(code));
+          unawaited(CodeStore.instance.addCode(code, isFrequencyOrRecencyUpdate: true));
         }
       }
     });

mobile/apps/auth/lib/ui/home_page.dart

@@ -94,6 +94,7 @@ class _HomePageState extends State<HomePage> {
   @override
   void initState() {
     super.initState();
+
     _codeSortKey = PreferenceService.instance.codeSortKey();
     _textController.addListener(_applyFilteringAndRefresh);
     _loadCodes();
@@ -153,6 +154,7 @@ class _HomePageState extends State<HomePage> {
   }
 
   void _loadCodes() {
+    debugPrint("[HOME_DEBUG] _loadCodes triggered!");
     CodeStore.instance.getAllCodes().then((codes) {
       _allCodes = codes;
       hasTrashedCodes = false;
@@ -817,4 +819,4 @@ class _HomePageState extends State<HomePage> {
       ],
     );
   }
-}
+}

mobile/apps/auth/lib/ui/settings/data/data_section_widget.dart

@@ -10,6 +10,7 @@ import 'package:ente_auth/ui/settings/common_settings.dart';
 import 'package:ente_auth/ui/settings/data/duplicate_code_page.dart';
 import 'package:ente_auth/ui/settings/data/export_widget.dart';
 import 'package:ente_auth/ui/settings/data/import_page.dart';
+import 'package:ente_auth/ui/settings/data/local_backup_settings_page.dart'; //for local backup
 import 'package:ente_auth/utils/dialog_util.dart';
 import 'package:ente_auth/utils/navigation_util.dart';
 import 'package:flutter/material.dart';
@@ -29,6 +30,10 @@ class DataSectionWidget extends StatelessWidget {
     );
   }
 
+  Future<void> _handleLocalBackupClick(BuildContext context) async {
+    await routeToPage(context, const LocalBackupSettingsPage());
+  }
+
   Column _getSectionOptions(BuildContext context) {
     final l10n = context.l10n;
     List<Widget> children = [];
@@ -86,10 +91,21 @@ class DataSectionWidget extends StatelessWidget {
           );
         },
       ),
+      MenuItemWidget(
+        captionedTextWidget: CaptionedTextWidget(
+          title: l10n.localBackupSidebarTitle,
+        ),
+        pressedColor: getEnteColorScheme(context).fillFaint,
+        trailingIcon: Icons.chevron_right_outlined,
+        trailingIconIsMuted: true,
+        onTap: () async {
+          await _handleLocalBackupClick(context);
+        },
+      ),
       sectionOptionSpacing,
     ]);
     return Column(
       children: children,
     );
   }
-}
+}

mobile/apps/auth/lib/ui/settings/data/import/encrypted_ente_import.dart

@@ -153,4 +153,4 @@ Future<void> _pickEnteJsonFile(BuildContext context) async {
       context.l10n.importFailureDescNew,
     );
   }
-}
+}

mobile/apps/auth/lib/ui/settings/data/local_backup_settings_page.dart

@@ -0,0 +1,458 @@
+import 'dart:io';
+
+import 'package:ente_auth/ente_theme_data.dart';
+import 'package:ente_auth/l10n/l10n.dart';
+import 'package:ente_auth/services/local_backup_service.dart';
+import 'package:ente_auth/theme/ente_theme.dart';
+import 'package:ente_auth/ui/components/buttons/button_widget.dart';
+import 'package:ente_auth/ui/components/dialog_widget.dart';
+import 'package:ente_auth/ui/components/models/button_result.dart';
+import 'package:ente_auth/ui/components/models/button_type.dart';
+import 'package:file_picker/file_picker.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/scheduler.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class LocalBackupSettingsPage extends StatefulWidget {
+  const LocalBackupSettingsPage({super.key});
+
+  @override
+  State<LocalBackupSettingsPage> createState() =>
+      _LocalBackupSettingsPageState();
+}
+
+class _LocalBackupSettingsPageState extends State<LocalBackupSettingsPage> {
+  bool _isBackupEnabled = false;
+  String? _backupPath;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadSettings();
+  }
+
+  // to load the saved settings from SharedPreferences when the page opens.
+  Future<void> _loadSettings() async {
+    final prefs = await SharedPreferences.getInstance();
+    setState(() {
+      _isBackupEnabled = prefs.getBool('isAutoBackupEnabled') ?? false;
+      _backupPath = prefs.getString('autoBackupPath');
+    });
+  }
+
+  Future<String?> _showCustomPasswordDialog() async {
+    final l10n = context.l10n;
+    final textController = TextEditingController();
+    // state variable to track password visibility
+    bool isPasswordHidden = true;
+
+    return showDialog<String>(
+      context: context,
+      barrierDismissible: false, 
+      builder: (context) {
+        return StatefulBuilder(
+          builder: (context, setState) {
+            return AlertDialog(
+              title: Text(l10n.setPasswordTitle, style: getEnteTextTheme(context).largeBold),
+              content: TextField(
+                controller: textController,
+                autofocus: true,
+                obscureText: isPasswordHidden,
+                decoration: InputDecoration(
+                  hintText: l10n.enterPassword,
+                  hintStyle: getEnteTextTheme(context).mini,
+                  suffixIcon: IconButton(
+                    icon: Icon(
+                      isPasswordHidden ? Icons.visibility_off : Icons.visibility,
+                    ),
+                    onPressed: () {
+                      setState(() {
+                        isPasswordHidden = !isPasswordHidden;
+                      });
+                    },
+                  ),
+                ),
+                onChanged: (text) => setState(() {}),
+              ),
+              actions: [
+                Row(
+                  children: [
+
+                    Expanded(
+                      child: ButtonWidget(
+                        buttonType: ButtonType.secondary,
+                        labelText: l10n.cancel,
+                        onTap: () async => Navigator.of(context).pop(null),
+                      ),
+                    ),
+
+                    const SizedBox(width: 8), 
+
+                    Expanded(
+                      child: ButtonWidget(
+                        buttonType: ButtonType.primary,
+                        labelText: l10n.saveAction,
+                        isDisabled: textController.text.isEmpty,
+                        onTap: () async => Navigator.of(context).pop(textController.text),
+                      ),
+                    ),
+                  ],
+                ),
+              ],
+            );
+          },
+        );
+      },
+    );
+  }
+
+  Future<ButtonResult?> _showLocationChoiceDialog({required String displayPath}) async {
+    final l10n = context.l10n;
+
+    final dialogBody =
+        '${l10n.backupLocationChoiceDescription}\n\nSelected: ${_simplifyPath(displayPath)}';
+
+    final result = await showDialogWidget(
+      title: l10n.chooseBackupLocation,
+      context: context,
+      body: dialogBody, 
+      buttons: [
+        ButtonWidget(
+          buttonType: ButtonType.primary,
+          labelText: l10n.saveBackup,
+          isInAlert: true,
+          buttonSize: ButtonSize.large,
+          buttonAction: ButtonAction.first,
+        ),
+        ButtonWidget(
+          buttonType: ButtonType.secondary,
+          labelText: l10n.changeLocation, 
+          isInAlert: true,
+          buttonSize: ButtonSize.large,
+          buttonAction: ButtonAction.second,
+        ),
+        ButtonWidget(
+          buttonType: ButtonType.secondary,
+          labelText: l10n.cancel,
+          isInAlert: true,
+          buttonSize: ButtonSize.large,
+          buttonAction: ButtonAction.cancel,
+        ),
+      ],
+    );
+
+    return result;
+  }
+
+  Future<bool> _handleLocationSetup() async {
+
+    String currentPath = _backupPath ?? await _getDefaultBackupPath();
+
+    while (true) {
+      final result = await _showLocationChoiceDialog(displayPath: currentPath);
+
+      if (result?.action == ButtonAction.first) {
+        final prefs = await SharedPreferences.getInstance();
+        try {
+          await Directory(currentPath).create(recursive: true);
+          await prefs.setString('autoBackupPath', currentPath);
+          setState(() {
+            _backupPath = currentPath;
+          });
+          ScaffoldMessenger.of(context).showSnackBar(
+            SnackBar(content: Text(context.l10n.initialBackupCreated)),
+          );
+          return true; 
+        } catch (e) {
+          ScaffoldMessenger.of(context).showSnackBar(
+            SnackBar(content: Text(context.l10n.noDefaultBackupFolder)),
+          );
+          return false; 
+        }
+      }
+
+      else if (result?.action == ButtonAction.second) {
+        final newPath = await FilePicker.platform.getDirectoryPath();
+        if (newPath != null) {
+          currentPath = newPath;
+        }
+        
+      }
+      
+      else {
+        return false;
+      }
+    }
+  }
+
+  Future<String> _getDefaultBackupPath() async {
+    if (Platform.isAndroid) {
+      Directory? externalDir = await getExternalStorageDirectory();
+      if (externalDir != null) {
+        String storagePath = externalDir.path.split('/Android')[0];
+        return '$storagePath/Download/EnteAuthBackups';
+      }
+    }
+
+    Directory? dir = await getDownloadsDirectory();
+    dir ??= await getApplicationDocumentsDirectory();
+    return '${dir.path}/EnteAuthBackups';
+  }
+
+  String _simplifyPath(String fullPath) {   //takes a file path string and shortens it if it matches the common Android root path.
+    const rootToRemove = '/storage/emulated/0/';
+    if (fullPath.startsWith(rootToRemove)) {
+      return fullPath.substring(rootToRemove.length);
+    }
+    return fullPath;
+  }
+
+  // opens directory picker
+  Future<bool> _pickAndSaveBackupLocation({String? successMessage}) async {
+    final prefs = await SharedPreferences.getInstance();
+    final l10n = context.l10n;
+
+    String? directoryPath = await FilePicker.platform.getDirectoryPath();
+
+    if (directoryPath != null) {
+
+      await prefs.setString('autoBackupPath', directoryPath);
+      
+      // we only set the state and create the backup if a path was chosen
+      setState(() {
+        _backupPath = directoryPath;
+      });
+      await LocalBackupService.instance.triggerAutomaticBackup();
+
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(successMessage ?? l10n.locationUpdatedAndBackupCreated),  
+        ),
+      );
+      return true; 
+    }
+    return false; //user cancelled the file picker
+  }
+
+   Future<void> _showSetPasswordDialog() async {
+    final String? password = await _showCustomPasswordDialog();
+    if (password == null) {
+      setState(() {
+        _isBackupEnabled = false;
+      });
+      return;
+    }
+
+    if (password.length < 8) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(context.l10n.passwordTooShort),
+        ),
+      );
+      setState(() {
+        _isBackupEnabled = false;
+      });
+      return;
+    }
+
+    const storage = FlutterSecureStorage();
+    await storage.write(key: 'autoBackupPassword', value: password);
+
+    SchedulerBinding.instance.addPostFrameCallback((_) async {
+      final bool setupCompleted = await _handleLocationSetup();
+      if (!mounted) return;
+
+      if (setupCompleted) {
+        final prefs = await SharedPreferences.getInstance();
+        await prefs.setBool('isAutoBackupEnabled', true);
+        setState(() {
+          _isBackupEnabled = true;
+        });
+        await LocalBackupService.instance.triggerAutomaticBackup();
+      } else {
+        setState(() {
+          _isBackupEnabled = false;
+        });
+      }
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = context.l10n;
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(l10n.localBackupSettingsTitle), //text shown on appbar
+      ),
+      body: SingleChildScrollView(
+        child: Padding(
+          padding: const EdgeInsets.all(16),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Expanded(
+                    child: Text(
+                      l10n.enableAutomaticBackups,  //toggle text
+                      style: getEnteTextTheme(context).largeBold,
+                    ),
+                  ),
+                  Switch.adaptive(
+                    value: _isBackupEnabled,
+                    activeColor: Theme.of(context)
+                        .colorScheme
+                        .enteTheme
+                        .colorScheme
+                        .primary400,
+                    activeTrackColor: Theme.of(context)
+                        .colorScheme
+                        .enteTheme
+                        .colorScheme
+                        .primary300,
+                    inactiveTrackColor: Theme.of(context)
+                        .colorScheme
+                        .enteTheme
+                        .colorScheme
+                        .fillMuted,
+                    materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
+                    onChanged: (value) async {
+                      final prefs = await SharedPreferences.getInstance();
+
+                      if (value == true) {
+                        //when toggle is ON, show password dialog
+                        await _showSetPasswordDialog();
+                      } else {
+                        await prefs.setBool('isAutoBackupEnabled', false);
+                        setState(() {
+                          _isBackupEnabled = false;
+                        });
+                      }
+                    },
+                  ),
+                ],
+              ),
+              Padding(
+                padding: const EdgeInsets.only(top: 10.0),
+                child: Text(
+                  l10n.backupDescription, //text below toggle
+                  style: getEnteTextTheme(context).mini,
+                ),
+              ),
+              const SizedBox(height: 20),
+              Opacity(
+                opacity: _isBackupEnabled ? 1.0 : 0.4,
+                child: IgnorePointer(
+                  ignoring: !_isBackupEnabled,
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          Text(
+                            l10n.currentLocation, //shows current backup location
+                            style: getEnteTextTheme(context).body,
+                          ),
+                          const SizedBox(height: 4),
+                          if (_backupPath != null)
+                            Text(
+                              _simplifyPath(_backupPath!),
+                              style: getEnteTextTheme(context).small,
+                            )
+                          else
+                            FutureBuilder<String>(
+                              future: _getDefaultBackupPath(),
+                              builder: (context, snapshot) {
+                                if (snapshot.connectionState ==
+                                    ConnectionState.waiting) {
+                                  return Text(
+                                     l10n.loadDefaultLocation, 
+                                    style: getEnteTextTheme(context)
+                                        .small
+                                        .copyWith(color: Colors.grey),
+                                  );
+                                } else if (snapshot.hasError) {
+                                  return Text(
+                                    l10n.couldNotDetermineLocation, 
+                                    style: getEnteTextTheme(context)
+                                        .small
+                                        .copyWith(color: Colors.red),
+                                  );
+                                } else {
+                                  return Text(
+                                    _simplifyPath(snapshot.data ?? ''),
+                                    style: getEnteTextTheme(context)
+                                        .small
+                                        .copyWith(color: Colors.grey),
+                                  );
+                                }
+                              },
+                            ),
+                          const SizedBox(height: 30),
+                          SizedBox(
+                            width: double.infinity,
+                            child: ElevatedButton(
+                              onPressed: () => _pickAndSaveBackupLocation(),
+                              child: Text(l10n.changeCurrentLocation),
+                            ),
+                          ),
+                        ],
+                      ),
+                      const SizedBox(height: 20),
+                      Container(
+                        padding: const EdgeInsets.all(16),
+                        decoration: BoxDecoration(
+                          color: Colors.orange.withAlpha(26),
+                          borderRadius: BorderRadius.circular(8),
+                          border: Border.all(
+                            color: Colors.orange.withAlpha(77),
+                            width: 1,
+                          ),
+                        ),
+                        child: Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Row(
+                              children: [
+                                const Icon(
+                                  Icons.security_outlined,
+                                  color: Colors.orange,
+                                  size: 20,
+                                ),
+                                const SizedBox(width: 8),
+                                Text(
+                                  l10n.securityNotice,  //security notice title
+                                  style: getEnteTextTheme(context)
+                                      .smallBold
+                                      .copyWith(
+                                        color: Colors.orange,
+                                      ),
+                                ),
+                              ],
+                            ),
+                            const SizedBox(height: 8),
+                            Text(
+                              l10n.backupSecurityNotice,  //security notice description
+                              style: getEnteTextTheme(context).mini.copyWith(
+                                    color: Colors.orange.shade700,
+                                  ),
+                            ),
+                          ],
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

mobile/apps/auth/lib/utils/dialog_util.dart

@@ -414,6 +414,7 @@ Future<dynamic> showTextInputDialog(
   bool alwaysShowSuccessState = false,
   bool isPasswordInput = false,
   bool useRootNavigator = false,
+  VoidCallback? onCancel,
 }) {
   return showDialog(
     barrierColor: backdropFaintDark,

mobile/apps/auth/pubspec.lock

@@ -1153,9 +1153,9 @@ packages:
     dependency: "direct main"
     description:
       path: "."
-      ref: "91e4d1a9c55b28bf93425d1f12faf410efc1e48d"
-      resolved-ref: "91e4d1a9c55b28bf93425d1f12faf410efc1e48d"
-      url: "https://github.com/Sayegh7/move_to_background"
+      ref: v2-only
+      resolved-ref: "0cdfeed654d79636eff0c57110f3f6ad5801ba2f"
+      url: "https://github.com/ente-io/move_to_background.git"
     source: git
     version: "1.0.2"
   native_dio_adapter:

mobile/apps/auth/pubspec.yaml

@@ -95,10 +95,10 @@ dependencies:
   local_auth_darwin: ^1.2.2
   logging: ^1.0.1
   modal_bottom_sheet: ^3.0.0
-  move_to_background: # no package updates on pub.dev
+  move_to_background: # no updates in git, replace package
     git:
-      url: https://github.com/Sayegh7/move_to_background
-      ref: 91e4d1a9c55b28bf93425d1f12faf410efc1e48d
+      url: https://github.com/ente-io/move_to_background.git
+      ref: v2-only
   native_dio_adapter: ^1.4.0
   otp: ^3.1.1
   package_info_plus: ^8.0.2