implemented user backups

app/lib/core/filesystem.dart

@@ -20,6 +20,8 @@
 import 'dart:async';
 import 'dart:io';
 
+import 'package:collection/collection.dart';
+import 'package:nullability/nullability.dart';
 import 'package:path/path.dart' as p;
 import 'package:path_provider/path_provider.dart' as path_provider;
 import 'package:sqlite3/sqlite3.dart';
@@ -64,6 +66,21 @@ class _Filesystem {
     return fs.writeStartupProfile(profilesDir, profile, flush: true);
   }
 
+  Future<void> clearMozillaProfileCache(String profileId) {
+    return fs.clearMozillaProfileCache(profileId);
+  }
+
+  Future<String?> checkForDuplicateMozillaProfile(UuidValue profile) async {
+    final duplicates = await fs
+        .getProfilesWithDuplicateMozillaProfiles(profilesDir)
+        .then((dirs) => dirs.map((dir) => dir.path).toList());
+    final profileDir = fs.getProfileDir(profilesDir, profile).path;
+
+    return duplicates
+        .firstWhereOrNull((dir) => p.isWithin(profileDir, dir))
+        .mapNotNull((dir) => p.basename(dir));
+  }
+
   Future<void> _linkMozillaDir(Directory filesDir) async {
     final mozillaDir = Directory(p.join(selectedProfileDir.path, 'mozilla'));
     await mozillaDir.create();

app/lib/core/routing/routes.browser.dart

@@ -73,6 +73,18 @@ part of 'routes.dart';
       path: 'profiles',
       routes: [
         TypedGoRoute<EditProfileRoute>(name: 'ProfileEditScreen', path: 'edit'),
+        TypedGoRoute<ProfileBackupListRoute>(
+          name: 'ProfileBackupListRoute',
+          path: 'backup_list',
+        ),
+        TypedGoRoute<RestoreProfileRoute>(
+          name: 'RestoreProfileRoute',
+          path: 'restore',
+        ),
+        TypedGoRoute<BackupProfileRoute>(
+          name: 'BackupProfileRoute',
+          path: 'backup',
+        ),
         TypedGoRoute<CreateProfileRoute>(
           name: 'CreateProfileRoute',
           path: 'create',
@@ -303,6 +315,37 @@ class EditProfileRoute extends GoRouteData with $EditProfileRoute {
   }
 }
 
+class BackupProfileRoute extends GoRouteData with $BackupProfileRoute {
+  final String profile;
+
+  const BackupProfileRoute({required this.profile});
+
+  @override
+  Widget build(BuildContext context, GoRouterState state) {
+    return ProfileBackupScreen(
+      profile: Profile.fromJson(jsonDecode(profile) as Map<String, dynamic>),
+    );
+  }
+}
+
+class RestoreProfileRoute extends GoRouteData with $RestoreProfileRoute {
+  final String backupFilePath;
+
+  const RestoreProfileRoute({required this.backupFilePath});
+
+  @override
+  Widget build(BuildContext context, GoRouterState state) {
+    return ProfileRestoreScreen(backupFile: File(backupFilePath));
+  }
+}
+
+class ProfileBackupListRoute extends GoRouteData with $ProfileBackupListRoute {
+  @override
+  Widget build(BuildContext context, GoRouterState state) {
+    return const ProfileBackupListScreen();
+  }
+}
+
 class BookmarkListRoute extends GoRouteData with $BookmarkListRoute {
   final String entryGuid;
 

app/lib/core/routing/routes.dart

@@ -18,6 +18,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 import 'dart:convert';
+import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_mozilla_components/flutter_mozilla_components.dart';
@@ -64,8 +65,11 @@ import 'package:weblibre/features/settings/presentation/screens/web_engine_harde
 import 'package:weblibre/features/settings/presentation/screens/web_engine_settings.dart';
 import 'package:weblibre/features/tor/presentation/screens/tor_proxy.dart';
 import 'package:weblibre/features/user/domain/presentation/dialogs/select_profile.dart';
+import 'package:weblibre/features/user/domain/presentation/screens/profile_backup.dart';
+import 'package:weblibre/features/user/domain/presentation/screens/profile_backup_list.dart';
 import 'package:weblibre/features/user/domain/presentation/screens/profile_edit.dart';
 import 'package:weblibre/features/user/domain/presentation/screens/profile_list.dart';
+import 'package:weblibre/features/user/domain/presentation/screens/profile_restore.dart';
 import 'package:weblibre/features/web_feed/presentation/add_feed_dialog.dart';
 import 'package:weblibre/features/web_feed/presentation/screens/feed_article.dart';
 import 'package:weblibre/features/web_feed/presentation/screens/feed_article_list.dart';

app/lib/core/routing/routes.g.dart

@@ -457,6 +457,21 @@ RouteBase get $browserRoute => GoRouteData.$route(
           name: 'ProfileEditScreen',
           factory: $EditProfileRoute._fromState,
         ),
+        GoRouteData.$route(
+          path: 'backup_list',
+          name: 'ProfileBackupListRoute',
+          factory: $ProfileBackupListRoute._fromState,
+        ),
+        GoRouteData.$route(
+          path: 'restore',
+          name: 'RestoreProfileRoute',
+          factory: $RestoreProfileRoute._fromState,
+        ),
+        GoRouteData.$route(
+          path: 'backup',
+          name: 'BackupProfileRoute',
+          factory: $BackupProfileRoute._fromState,
+        ),
         GoRouteData.$route(
           path: 'create',
           name: 'CreateProfileRoute',
@@ -880,6 +895,81 @@ mixin $EditProfileRoute on GoRouteData {
   void replace(BuildContext context) => context.replace(location);
 }
 
+mixin $ProfileBackupListRoute on GoRouteData {
+  static ProfileBackupListRoute _fromState(GoRouterState state) =>
+      ProfileBackupListRoute();
+
+  @override
+  String get location => GoRouteData.$location('/browser/profiles/backup_list');
+
+  @override
+  void go(BuildContext context) => context.go(location);
+
+  @override
+  Future<T?> push<T>(BuildContext context) => context.push<T>(location);
+
+  @override
+  void pushReplacement(BuildContext context) =>
+      context.pushReplacement(location);
+
+  @override
+  void replace(BuildContext context) => context.replace(location);
+}
+
+mixin $RestoreProfileRoute on GoRouteData {
+  static RestoreProfileRoute _fromState(GoRouterState state) =>
+      RestoreProfileRoute(
+        backupFilePath: state.uri.queryParameters['backup-file-path']!,
+      );
+
+  RestoreProfileRoute get _self => this as RestoreProfileRoute;
+
+  @override
+  String get location => GoRouteData.$location(
+    '/browser/profiles/restore',
+    queryParams: {'backup-file-path': _self.backupFilePath},
+  );
+
+  @override
+  void go(BuildContext context) => context.go(location);
+
+  @override
+  Future<T?> push<T>(BuildContext context) => context.push<T>(location);
+
+  @override
+  void pushReplacement(BuildContext context) =>
+      context.pushReplacement(location);
+
+  @override
+  void replace(BuildContext context) => context.replace(location);
+}
+
+mixin $BackupProfileRoute on GoRouteData {
+  static BackupProfileRoute _fromState(GoRouterState state) =>
+      BackupProfileRoute(profile: state.uri.queryParameters['profile']!);
+
+  BackupProfileRoute get _self => this as BackupProfileRoute;
+
+  @override
+  String get location => GoRouteData.$location(
+    '/browser/profiles/backup',
+    queryParams: {'profile': _self.profile},
+  );
+
+  @override
+  void go(BuildContext context) => context.go(location);
+
+  @override
+  Future<T?> push<T>(BuildContext context) => context.push<T>(location);
+
+  @override
+  void pushReplacement(BuildContext context) =>
+      context.pushReplacement(location);
+
+  @override
+  void replace(BuildContext context) => context.replace(location);
+}
+
 mixin $CreateProfileRoute on GoRouteData {
   static CreateProfileRoute _fromState(GoRouterState state) =>
       CreateProfileRoute();

app/lib/domain/entities/profile.dart

@@ -34,10 +34,12 @@ class Profile with FastEquatable {
 
   late final uuidValue = UuidValue.fromString(id);
 
+  static String getNewProfileId() => uuid.v7();
+
   Profile({required this.id, required this.name});
 
   factory Profile.create({required String name}) {
-    return Profile(id: uuid.v7(), name: name);
+    return Profile(id: getNewProfileId(), name: name);
   }
 
   @override

app/lib/extensions/iterable.dart

@@ -0,0 +1,13 @@
+extension UniqueItems<T> on Iterable<T> {
+  Iterable<T> findDuplicates() sync* {
+    final seen = <T>{};
+
+    for (final item in this) {
+      if (seen.contains(item)) {
+        yield item;
+      } else {
+        seen.add(item);
+      }
+    }
+  }
+}

app/lib/features/user/domain/presentation/dialogs/select_profile.dart

@@ -18,6 +18,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:go_router/go_router.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:weblibre/core/filesystem.dart';
@@ -47,36 +48,74 @@ class SelectProfileDialog extends HookConsumerWidget {
               title: Text(profile.name),
               subtitle: isSelected ? const Text('Active') : null,
               onTap: () async {
-                final result = await showDialog<bool>(
+                final duplicateMozillaProfile = await filesystem
-                  context: context,
+                    .checkForDuplicateMozillaProfile(profile.uuidValue);
-                  builder: (context) => AlertDialog(
-                    icon: const Icon(Icons.warning),
-                    title: const Text('Switch User'),
-                    content: Text(
-                      "Switching to User '${profile.name}' will require a restart of the Browser",
-                    ),
-                    actions: [
-                      TextButton(
-                        onPressed: () {
-                          context.pop(false);
-                        },
-                        child: const Text('Cancel'),
-                      ),
-                      TextButton(
-                        onPressed: () {
-                          context.pop(true);
-                        },
-                        child: const Text('Switch Profile'),
-                      ),
-                    ],
-                  ),
-                );
 
-                if (result == true) {
+                if (context.mounted) {
-                  await ref
+                  final result = await showDialog<(bool, bool)>(
-                      .read(profileRepositoryProvider.notifier)
+                    context: context,
-                      .switchProfile(profile.id);
+                    builder: (context) => HookBuilder(
-                  await exitApp(ref.container);
+                      builder: (context) {
+                        final clearCache = useState(false);
+
+                        return AlertDialog(
+                          icon: const Icon(Icons.warning),
+                          title: const Text('Switch User'),
+                          content: Column(
+                            mainAxisSize: MainAxisSize.min,
+                            children: [
+                              Text(
+                                "Switching to User '${profile.name}' will require a restart of the Browser.",
+                                style: const TextStyle(
+                                  fontWeight: FontWeight.bold,
+                                ),
+                              ),
+                              const SizedBox(height: 8),
+                              if (duplicateMozillaProfile != null)
+                                SwitchListTile(
+                                  contentPadding: EdgeInsets.zero,
+                                  value: clearCache.value,
+                                  title: const Text('Clear Shared Cache'),
+                                  subtitle: const Text(
+                                    'This User has been created based on an exisiting Mozilla Profile Identifier. Clearing cache will affect all linked accounts.',
+                                  ),
+                                  onChanged: (value) {
+                                    clearCache.value = value;
+                                  },
+                                ),
+                            ],
+                          ),
+                          actions: [
+                            TextButton(
+                              onPressed: () {
+                                context.pop((false, false));
+                              },
+                              child: const Text('Cancel'),
+                            ),
+                            TextButton(
+                              onPressed: () {
+                                context.pop((true, clearCache.value));
+                              },
+                              child: const Text('Switch Profile'),
+                            ),
+                          ],
+                        );
+                      },
+                    ),
+                  );
+
+                  if (result?.$1 == true) {
+                    if (duplicateMozillaProfile != null && result?.$2 == true) {
+                      await filesystem.clearMozillaProfileCache(
+                        duplicateMozillaProfile,
+                      );
+                    }
+
+                    await ref
+                        .read(profileRepositoryProvider.notifier)
+                        .switchProfile(profile.id);
+                    await exitApp(ref.container);
+                  }
                 }
               },
             );

app/lib/features/user/domain/presentation/screens/profile_backup.dart

@@ -0,0 +1,187 @@
+import 'package:fancy_password_field/fancy_password_field.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:weblibre/core/routing/routes.dart';
+import 'package:weblibre/domain/entities/profile.dart';
+import 'package:weblibre/features/user/domain/services/user_backup.dart';
+import 'package:weblibre/utils/ui_helper.dart';
+
+class ProfileBackupScreen extends HookConsumerWidget {
+  final Profile profile;
+
+  const ProfileBackupScreen({required this.profile});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final formKey = useMemoized(() => GlobalKey<FormState>());
+
+    final passwordTextController = useTextEditingController();
+    final passwordController = useMemoized(() => FancyPasswordController());
+
+    final integrityVerification = useState(true);
+    final skipPasswordConfirmation = useState(false);
+
+    final backupFuture = useState<Future<bool>?>(null);
+    final backupState = useFuture(backupFuture.value);
+
+    useEffect(() {
+      if (backupState.hasError) {
+        WidgetsBinding.instance.addPostFrameCallback((_) {
+          showErrorMessage(context, backupState.error!.toString());
+        });
+      } else if (backupState.hasData) {
+        WidgetsBinding.instance.addPostFrameCallback((_) {
+          showInfoMessage(context, 'Backup created successfully');
+          ProfileListRoute().go(context);
+        });
+      }
+
+      return null;
+    }, [backupState.hasError, backupState.hasData, backupState.error]);
+
+    final disableInteraction =
+        backupState.connectionState == ConnectionState.waiting;
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Create Backup')),
+      body: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8),
+        child: Form(
+          key: formKey,
+          child: ListView(
+            children: [
+              FancyPasswordField(
+                controller: passwordTextController,
+                enabled: !disableInteraction,
+                passwordController: passwordController,
+                enableSuggestions: false,
+                autocorrect: false,
+                enableIMEPersonalizedLearning: false,
+                keyboardType: TextInputType.visiblePassword,
+                decoration: const InputDecoration(
+                  labelText: 'Password',
+                  floatingLabelBehavior: FloatingLabelBehavior.always,
+                ),
+                validationRules: {MinCharactersValidationRule(5)},
+                validator: (value) {
+                  //Make sure since onChange is sometimes unreliable
+                  passwordController.onChange(value ?? '');
+
+                  return passwordController.areAllRulesValidated
+                      ? null
+                      : 'Not Validated';
+                },
+              ),
+              const SizedBox(height: 16),
+              SwitchListTile(
+                contentPadding: EdgeInsets.zero,
+                value: integrityVerification.value,
+                onChanged: disableInteraction
+                    ? null
+                    : (value) {
+                        integrityVerification.value = value;
+                      },
+                title: const Text('Verify Backup Integrity'),
+                subtitle: const Text(
+                  'Automatically check that backups are complete and restorable',
+                ),
+              ),
+              ExpansionTile(
+                enabled: !disableInteraction,
+                childrenPadding: EdgeInsets.zero,
+                tilePadding: EdgeInsets.zero,
+                title: const Text('Advanced'),
+                children: [
+                  SwitchListTile(
+                    contentPadding: EdgeInsets.zero,
+                    value: skipPasswordConfirmation.value,
+                    onChanged: disableInteraction
+                        ? null
+                        : (value) {
+                            skipPasswordConfirmation.value = value;
+                          },
+                    title: const Text('Skip Password Confirmation Prompt'),
+                  ),
+                ],
+              ),
+              const SizedBox(height: 16),
+              if (disableInteraction)
+                const Column(
+                  children: [
+                    LinearProgressIndicator(),
+                    Text('Creating Backup'),
+                  ],
+                )
+              else
+                FilledButton.icon(
+                  icon: const Icon(MdiIcons.safe),
+                  onPressed: () async {
+                    if (formKey.currentState?.validate() ?? false) {
+                      if (!skipPasswordConfirmation.value) {
+                        final confirmation = await showDialog<String>(
+                          context: context,
+                          builder: (context) {
+                            final controller = TextEditingController();
+
+                            return AlertDialog(
+                              title: const Text('Password Confirmation'),
+                              content: TextField(
+                                controller: controller,
+                                enableSuggestions: false,
+                                autocorrect: false,
+                                enableIMEPersonalizedLearning: false,
+                                keyboardType: TextInputType.visiblePassword,
+                                obscureText: true,
+                                decoration: const InputDecoration(
+                                  labelText: 'Password',
+                                  floatingLabelBehavior:
+                                      FloatingLabelBehavior.always,
+                                ),
+                              ),
+                              actions: [
+                                TextButton(
+                                  onPressed: () {
+                                    Navigator.of(context).pop();
+                                  },
+                                  child: const Text('Cancel'),
+                                ),
+                                TextButton(
+                                  onPressed: () {
+                                    Navigator.of(context).pop(controller.text);
+                                  },
+                                  child: const Text('Confirm'),
+                                ),
+                              ],
+                            );
+                          },
+                        );
+
+                        if (confirmation != passwordTextController.text) {
+                          if (context.mounted) {
+                            showErrorMessage(context, 'Passwords do not match');
+                          }
+
+                          return;
+                        }
+                      }
+
+                      backupFuture.value = ref
+                          .read(userBackupServiceProvider.notifier)
+                          .createUserBackup(
+                            profile,
+                            password: passwordTextController.text,
+                            integrityCheck: integrityVerification.value,
+                          );
+                    }
+                  },
+                  label: const Text('Backup'),
+                ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

app/lib/features/user/domain/presentation/screens/profile_backup_list.dart

@@ -0,0 +1,79 @@
+import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:path/path.dart' as p;
+import 'package:weblibre/core/providers/format.dart';
+import 'package:weblibre/core/routing/routes.dart';
+import 'package:weblibre/features/user/domain/providers.dart';
+import 'package:weblibre/features/user/domain/services/user_backup.dart';
+import 'package:weblibre/presentation/widgets/failure_widget.dart';
+
+final _filenamePattern = RegExp(
+  r'^backup_(?<profile>.+?)_(?<timestamp>\d{4}-\d{2}-\d{2}_\d{6})\.weblibre$',
+);
+
+class ProfileBackupListScreen extends HookConsumerWidget {
+  const ProfileBackupListScreen();
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final backupListAsync = ref.watch(backupListProvider);
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Backups')),
+      body: backupListAsync.when(
+        data: (backupList) {
+          return ListView.builder(
+            itemCount: backupList.length,
+            itemBuilder: (context, index) {
+              final file = backupList[index];
+              final match = _filenamePattern.firstMatch(p.basename(file.path));
+
+              if (match != null) {
+                final profileName = match.group(1)!;
+                final datePart = match.group(2)!;
+
+                // Reparse into DateTime
+                final dateTime = UserBackupService.dateFormatter.decode(
+                  datePart,
+                );
+
+                return ListTile(
+                  key: ValueKey(file.path),
+                  title: Text(profileName),
+                  subtitle: Text(
+                    ref
+                        .read(formatProvider.notifier)
+                        .fullDateTimeWithTimezone(dateTime),
+                  ),
+                  onTap: () async {
+                    await RestoreProfileRoute(
+                      backupFilePath: file.path,
+                    ).push(context);
+                  },
+                );
+              } else {
+                return ListTile(
+                  key: ValueKey(file.path),
+                  title: Text(p.basename(file.path)),
+                  onTap: () async {
+                    await RestoreProfileRoute(
+                      backupFilePath: file.path,
+                    ).push(context);
+                  },
+                );
+              }
+            },
+          );
+        },
+        error: (error, stackTrace) => FailureWidget(
+          title: 'Failed to get backups',
+          exception: error,
+          onRetry: () {
+            ref.invalidate(backupListProvider);
+          },
+        ),
+        loading: () => const Center(child: CircularProgressIndicator()),
+      ),
+    );
+  }
+}

app/lib/features/user/domain/presentation/screens/profile_edit.dart

@@ -17,10 +17,14 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+import 'dart:convert';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
 import 'package:go_router/go_router.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:weblibre/core/routing/routes.dart';
 import 'package:weblibre/domain/entities/profile.dart';
 import 'package:weblibre/features/user/domain/repositories/profile.dart';
 import 'package:weblibre/utils/form_validators.dart';
@@ -81,62 +85,76 @@ class ProfileEditScreen extends HookConsumerWidget {
                   label: Text('Name'),
                   floatingLabelBehavior: FloatingLabelBehavior.always,
                 ),
-                validator: validateRequired,
+                validator: validateProfileName,
               ),
               const SizedBox(height: 16),
-              if (profile != null)
+              if (profile != null) ...[
                 SizedBox(
                   width: double.infinity,
                   child: OutlinedButton.icon(
-                    style: OutlinedButton.styleFrom(
+                    label: const Text('Backup'),
-                      side: BorderSide(
+                    icon: const Icon(MdiIcons.safe),
-                        color: Theme.of(context).colorScheme.error,
-                      ),
-                      foregroundColor: Theme.of(context).colorScheme.error,
-                      iconColor: Theme.of(context).colorScheme.error,
-                    ),
-                    label: const Text('Delete'),
-                    icon: const Icon(Icons.delete),
                     onPressed: () async {
-                      final result = await showDialog<bool?>(
+                      await BackupProfileRoute(
-                        context: context,
+                        profile: jsonEncode(profile!.toJson()),
-                        builder: (BuildContext context) {
+                      ).push(context);
-                          return AlertDialog(
-                            icon: const Icon(Icons.warning),
-                            title: const Text('Delete User'),
-                            content: const Text(
-                              'Are you sure you want to delete this User including all data?',
-                            ),
-                            actions: <Widget>[
-                              TextButton(
-                                onPressed: () {
-                                  Navigator.pop(context, false);
-                                },
-                                child: const Text('Cancel'),
-                              ),
-                              TextButton(
-                                onPressed: () {
-                                  Navigator.pop(context, true);
-                                },
-                                child: const Text('Delete'),
-                              ),
-                            ],
-                          );
-                        },
-                      );
-
-                      if (result == true) {
-                        await ref
-                            .read(profileRepositoryProvider.notifier)
-                            .deleteProfile(profile!.uuidValue.uuid);
-
-                        if (context.mounted) {
-                          context.pop();
-                        }
-                      }
                     },
                   ),
                 ),
+              ],
+              const SizedBox(height: 16),
+              SizedBox(
+                width: double.infinity,
+                child: OutlinedButton.icon(
+                  style: OutlinedButton.styleFrom(
+                    side: BorderSide(
+                      color: Theme.of(context).colorScheme.error,
+                    ),
+                    foregroundColor: Theme.of(context).colorScheme.error,
+                    iconColor: Theme.of(context).colorScheme.error,
+                  ),
+                  label: const Text('Delete'),
+                  icon: const Icon(Icons.delete),
+                  onPressed: () async {
+                    final result = await showDialog<bool?>(
+                      context: context,
+                      builder: (BuildContext context) {
+                        return AlertDialog(
+                          icon: const Icon(Icons.warning),
+                          title: const Text('Delete User'),
+                          content: const Text(
+                            'Are you sure you want to delete this User including all data?',
+                          ),
+                          actions: <Widget>[
+                            TextButton(
+                              onPressed: () {
+                                Navigator.pop(context, false);
+                              },
+                              child: const Text('Cancel'),
+                            ),
+                            TextButton(
+                              onPressed: () {
+                                Navigator.pop(context, true);
+                              },
+                              child: const Text('Delete'),
+                            ),
+                          ],
+                        );
+                      },
+                    );
+
+                    if (result == true) {
+                      await ref
+                          .read(profileRepositoryProvider.notifier)
+                          .deleteProfile(profile!.uuidValue.uuid);
+
+                      if (context.mounted) {
+                        context.pop();
+                      }
+                    }
+                  },
+                ),
+              ),
             ],
           ),
         ),

app/lib/features/user/domain/presentation/screens/profile_list.dart

@@ -20,6 +20,7 @@
 import 'dart:convert';
 
 import 'package:flutter/material.dart';
+import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:weblibre/core/filesystem.dart';
 import 'package:weblibre/core/routing/routes.dart';
@@ -34,7 +35,17 @@ class ProfileListScreen extends HookConsumerWidget {
     final usersAsync = ref.watch(profileRepositoryProvider);
 
     return Scaffold(
-      appBar: AppBar(title: const Text('Users')),
+      appBar: AppBar(
+        title: const Text('Users'),
+        actions: [
+          IconButton(
+            onPressed: () async {
+              await ProfileBackupListRoute().push(context);
+            },
+            icon: const Icon(MdiIcons.backupRestore),
+          ),
+        ],
+      ),
       body: usersAsync.when(
         skipLoadingOnReload: true,
         data: (profiles) => ListView.builder(

app/lib/features/user/domain/presentation/screens/profile_restore.dart

@@ -0,0 +1,183 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
+import 'package:go_router/go_router.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:weblibre/core/routing/routes.dart';
+import 'package:weblibre/features/user/domain/services/user_backup.dart';
+import 'package:weblibre/utils/form_validators.dart';
+import 'package:weblibre/utils/ui_helper.dart';
+
+enum RestoreTarget { createOrOverride, createNew }
+
+class ProfileRestoreScreen extends HookConsumerWidget {
+  final File backupFile;
+
+  const ProfileRestoreScreen({super.key, required this.backupFile});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final formKey = useMemoized(() => GlobalKey<FormState>());
+
+    final passwordTextController = useTextEditingController();
+    final nameTextController = useTextEditingController();
+
+    final restoreFuture = useState<Future<bool>?>(null);
+    final restoreState = useFuture(restoreFuture.value);
+
+    final restoreTarget = useState(RestoreTarget.createNew);
+
+    useEffect(() {
+      if (restoreState.hasError) {
+        WidgetsBinding.instance.addPostFrameCallback((_) {
+          showErrorMessage(context, restoreState.error!.toString());
+        });
+      } else if (restoreState.hasData) {
+        WidgetsBinding.instance.addPostFrameCallback((_) {
+          showInfoMessage(context, 'Backup restored successfully');
+          ProfileListRoute().go(context);
+        });
+      }
+
+      return null;
+    }, [restoreState.hasError, restoreState.hasData, restoreState.error]);
+
+    final disableInteraction =
+        restoreState.connectionState == ConnectionState.waiting;
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Restore Backup')),
+      body: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8),
+        child: Form(
+          key: formKey,
+          child: ListView(
+            children: [
+              TextFormField(
+                controller: passwordTextController,
+                enabled: !disableInteraction,
+                enableSuggestions: false,
+                autocorrect: false,
+                enableIMEPersonalizedLearning: false,
+                keyboardType: TextInputType.visiblePassword,
+                obscureText: true,
+                decoration: const InputDecoration(
+                  labelText: 'Password',
+                  floatingLabelBehavior: FloatingLabelBehavior.always,
+                ),
+                validator: (value) {
+                  return validateRequired(value, message: 'Password required');
+                },
+              ),
+              const SizedBox(height: 16),
+              RadioGroup(
+                groupValue: restoreTarget.value,
+                onChanged: (value) {
+                  if (value != null) {
+                    restoreTarget.value = value;
+                  }
+                },
+                child: Column(
+                  children: [
+                    RadioListTile(
+                      enabled: !disableInteraction,
+                      value: RestoreTarget.createNew,
+                      title: const Text('Create New User'),
+                      subtitle: const Text('Restore backup as a new user'),
+                    ),
+                    RadioListTile(
+                      enabled: !disableInteraction,
+                      value: RestoreTarget.createOrOverride,
+                      title: const Text('Restore & Replace'),
+                      subtitle: const Text(
+                        'Restore backup and overwrite existing user if present',
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+              if (restoreTarget.value == RestoreTarget.createNew)
+                TextFormField(
+                  controller: nameTextController,
+                  enabled: !disableInteraction,
+                  decoration: const InputDecoration(
+                    label: Text('Name'),
+                    floatingLabelBehavior: FloatingLabelBehavior.always,
+                  ),
+                  validator: validateProfileName,
+                ),
+              const SizedBox(height: 16),
+              if (disableInteraction)
+                const Column(
+                  children: [
+                    LinearProgressIndicator(),
+                    Text('Restoring Backup'),
+                  ],
+                )
+              else
+                FilledButton.icon(
+                  icon: const Icon(MdiIcons.backupRestore),
+                  onPressed: () {
+                    if (formKey.currentState?.validate() ?? false) {
+                      restoreFuture.value = switch (restoreTarget.value) {
+                        RestoreTarget.createOrOverride =>
+                          ref
+                              .read(userBackupServiceProvider.notifier)
+                              .restoreAndCreateOrOverride(
+                                backupFile,
+                                password: passwordTextController.text,
+                                confirmOverrideCallback: () {
+                                  if (context.mounted) {
+                                    return showDialog<bool?>(
+                                      context: context,
+                                      builder: (BuildContext context) {
+                                        return AlertDialog(
+                                          icon: const Icon(Icons.warning),
+                                          title: const Text('Override User'),
+                                          content: const Text(
+                                            'Are you sure you want to override the exisiting User?',
+                                          ),
+                                          actions: <Widget>[
+                                            TextButton(
+                                              onPressed: () {
+                                                Navigator.pop(context, false);
+                                              },
+                                              child: const Text('Cancel'),
+                                            ),
+                                            TextButton(
+                                              onPressed: () {
+                                                Navigator.pop(context, true);
+                                              },
+                                              child: const Text('Override'),
+                                            ),
+                                          ],
+                                        );
+                                      },
+                                    );
+                                  } else {
+                                    throw Exception('Override failed');
+                                  }
+                                },
+                              ),
+                        RestoreTarget.createNew =>
+                          ref
+                              .read(userBackupServiceProvider.notifier)
+                              .restoreAndCreateNew(
+                                backupFile,
+                                profileName: nameTextController.text,
+                                password: passwordTextController.text,
+                              ),
+                      };
+                    }
+                  },
+                  label: const Text('Restore'),
+                ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

app/lib/features/user/domain/providers.dart

@@ -17,6 +17,8 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+import 'dart:io';
+
 import 'package:exceptions/exceptions.dart';
 import 'package:nullability/nullability.dart';
 import 'package:riverpod/riverpod.dart';
@@ -29,6 +31,7 @@ import 'package:weblibre/features/user/domain/repositories/engine_settings.dart'
 import 'package:weblibre/features/user/domain/repositories/general_settings.dart';
 import 'package:weblibre/features/user/domain/repositories/profile.dart';
 import 'package:weblibre/features/user/domain/services/fingerprinting.dart';
+import 'package:weblibre/features/user/domain/services/user_backup.dart';
 
 part 'providers.g.dart';
 
@@ -73,3 +76,11 @@ Future<Profile> selectedProfile(Ref ref) async {
   final profiles = await ref.watch(profileRepositoryProvider.future);
   return profiles.firstWhere((p) => p.uuidValue == filesystem.selectedProfile);
 }
+
+@Riverpod()
+Future<List<File>> backupList(Ref ref) {
+  return ref
+      .watch(userBackupServiceProvider.notifier)
+      .getBackupListStream()
+      .toList();
+}

app/lib/features/user/domain/providers.g.dart

@@ -160,3 +160,41 @@ final class SelectedProfileProvider
 }
 
 String _$selectedProfileHash() => r'c703cad8f30abb4f5f42db0119756ee6791ac477';
+
+@ProviderFor(backupList)
+const backupListProvider = BackupListProvider._();
+
+final class BackupListProvider
+    extends
+        $FunctionalProvider<
+          AsyncValue<List<File>>,
+          List<File>,
+          FutureOr<List<File>>
+        >
+    with $FutureModifier<List<File>>, $FutureProvider<List<File>> {
+  const BackupListProvider._()
+    : super(
+        from: null,
+        argument: null,
+        retry: null,
+        name: r'backupListProvider',
+        isAutoDispose: true,
+        dependencies: null,
+        $allTransitiveDependencies: null,
+      );
+
+  @override
+  String debugGetCreateSourceHash() => _$backupListHash();
+
+  @$internal
+  @override
+  $FutureProviderElement<List<File>> $createElement($ProviderPointer pointer) =>
+      $FutureProviderElement(pointer);
+
+  @override
+  FutureOr<List<File>> create(Ref ref) {
+    return backupList(ref);
+  }
+}
+
+String _$backupListHash() => r'6fdfbb5293df11aa37ed74f4fcf9bd78591d770f';

app/lib/features/user/domain/services/user_backup.dart

@@ -0,0 +1,154 @@
+import 'dart:io';
+
+import 'package:convert/convert.dart';
+import 'package:path/path.dart' as p;
+import 'package:path_provider/path_provider.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:secure_archive/secure_archive.dart';
+import 'package:weblibre/core/filesystem.dart';
+import 'package:weblibre/domain/entities/profile.dart';
+import 'package:weblibre/features/user/domain/repositories/profile.dart';
+
+part 'user_backup.g.dart';
+
+@Riverpod(keepAlive: true)
+class UserBackupService extends _$UserBackupService {
+  static final dateFormatter = FixedDateTimeFormatter('YYYY-MM-DD_hhmmss');
+
+  Future<Directory> getBackupDirectory() async {
+    return Directory(
+      p.join(
+        await getExternalStorageDirectory().then(
+          (dir) => Directory(
+            dir!.path.replaceFirst('/data/', '/media/'),
+          ).parent.path,
+        ),
+        'Backup',
+      ),
+    );
+  }
+
+  Stream<File> getBackupListStream() async* {
+    final backupDirectory = await getBackupDirectory();
+
+    await for (final entity in backupDirectory.list(recursive: true)) {
+      if (entity is File) {
+        yield entity;
+      }
+    }
+  }
+
+  Future<bool> createUserBackup(
+    Profile profile, {
+    required String password,
+    required bool integrityCheck,
+  }) async {
+    final timestamp = dateFormatter.encode(DateTime.now());
+
+    final outputFile = File(
+      p.join(
+        await getBackupDirectory().then((dir) => dir.path),
+        'backup_${profile.name}_$timestamp.weblibre',
+      ),
+    );
+
+    await outputFile.parent.create(recursive: true);
+
+    final backup = SecureArchivePack(
+      outputFile: outputFile,
+      sourceDirectory: filesystem.getProfileDir(profile.uuidValue),
+      argon2Params: Argon2Params.memoryConstrained(),
+    );
+
+    await backup.pack(password, integrityCheck: integrityCheck);
+
+    return true;
+  }
+
+  Future<bool> restoreAndCreateNew(
+    File backupFile, {
+    required String profileName,
+    required String password,
+  }) async {
+    final outputDirectory = Directory(
+      p.join(filesystem.profilesDir.path, p.basename(backupFile.path)),
+    );
+
+    try {
+      final backup = SecureArchiveUnpack(
+        inputFile: backupFile,
+        outputDirectory: outputDirectory,
+        argon2Params: Argon2Params.memoryConstrained(),
+      );
+      await backup.unpack(password).then((_) async {
+        final newProfile = Profile.create(name: profileName);
+        final newPath = filesystem.getProfileDir(newProfile.uuidValue);
+
+        await outputDirectory.rename(newPath.path);
+        await filesystem.updateProfileMetadata(newProfile);
+      });
+
+      ref.invalidate(profileRepositoryProvider);
+      return true;
+    } finally {
+      try {
+        if (await outputDirectory.exists()) {
+          await outputDirectory.delete(recursive: true);
+        }
+      } catch (_) {
+        // Ignore cleanup errors
+      }
+    }
+  }
+
+  Future<bool> restoreAndCreateOrOverride(
+    File backupFile, {
+    required String password,
+    required FutureOr<bool?> Function() confirmOverrideCallback,
+  }) async {
+    final outputDirectory = Directory(
+      p.join(filesystem.profilesDir.path, p.basename(backupFile.path)),
+    );
+
+    try {
+      final backup = SecureArchiveUnpack(
+        inputFile: backupFile,
+        outputDirectory: outputDirectory,
+        argon2Params: Argon2Params.memoryConstrained(),
+      );
+      await backup.unpack(password).then((_) async {
+        final existingProfile = await filesystem.readProfileMetadata(
+          outputDirectory,
+        );
+        if (existingProfile != null) {
+          if (existingProfile.uuidValue == filesystem.selectedProfile) {
+            throw Exception(
+              'Unable to override active User, please switch to another User and try again',
+            );
+          }
+
+          final profileDir = filesystem.getProfileDir(
+            existingProfile.uuidValue,
+          );
+
+          if (await profileDir.exists()) {
+            final result = await confirmOverrideCallback();
+
+            if (result == true) {
+              await profileDir.delete(recursive: true);
+              await outputDirectory.rename(profileDir.path);
+            }
+          }
+        }
+      });
+
+      ref.invalidate(profileRepositoryProvider);
+      return true;
+    } finally {
+      await outputDirectory.delete(recursive: true);
+    }
+  }
+
+  @override
+  void build() {}
+}

app/lib/features/user/domain/services/user_backup.g.dart

@@ -0,0 +1,63 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'user_backup.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint, type=warning
+
+@ProviderFor(UserBackupService)
+const userBackupServiceProvider = UserBackupServiceProvider._();
+
+final class UserBackupServiceProvider
+    extends $NotifierProvider<UserBackupService, void> {
+  const UserBackupServiceProvider._()
+    : super(
+        from: null,
+        argument: null,
+        retry: null,
+        name: r'userBackupServiceProvider',
+        isAutoDispose: false,
+        dependencies: null,
+        $allTransitiveDependencies: null,
+      );
+
+  @override
+  String debugGetCreateSourceHash() => _$userBackupServiceHash();
+
+  @$internal
+  @override
+  UserBackupService create() => UserBackupService();
+
+  /// {@macro riverpod.override_with_value}
+  Override overrideWithValue(void value) {
+    return $ProviderOverride(
+      origin: this,
+      providerOverride: $SyncValueProvider<void>(value),
+    );
+  }
+}
+
+String _$userBackupServiceHash() => r'358e4c58703b14cff767184a4f658f7eac0454f6';
+
+abstract class _$UserBackupService extends $Notifier<void> {
+  void build();
+  @$mustCallSuper
+  @override
+  void runBuild() {
+    build();
+    final ref = this.ref as $Ref<void, void>;
+    final element =
+        ref.element
+            as $ClassProviderElement<
+              AnyNotifier<void, void>,
+              void,
+              Object?,
+              Object?
+            >;
+    element.handleValue(ref, null);
+  }
+}

app/lib/utils/filesystem.dart

@@ -22,9 +22,11 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:path/path.dart' as p;
+import 'package:path_provider/path_provider.dart';
 import 'package:uuid/uuid_value.dart';
 import 'package:weblibre/core/logger.dart';
 import 'package:weblibre/domain/entities/profile.dart';
+import 'package:weblibre/extensions/iterable.dart';
 
 const profilesDirName = 'weblibre_profiles';
 const profileDirPrefix = 'profile-';
@@ -42,10 +44,54 @@ final profileTransformer =
       },
     );
 
+final profileMozillaDirectoryTransformer =
+    StreamTransformer<Directory, Directory>.fromHandlers(
+      handleData: (entity, sink) {
+        final mozillaDir = Directory(p.join(entity.path, 'mozilla'));
+
+        for (final entity in mozillaDir.listSync()) {
+          if (entity is Directory) {
+            final profile = p.basename(entity.path);
+            if (profile.endsWith('.default')) {
+              sink.add(entity);
+            }
+          }
+        }
+      },
+    );
+
 Future<List<Directory>> getAvailableProfileDirectories(Directory profilesDir) {
   return profilesDir.list().transform(profileTransformer).toList();
 }
 
+Future<void> clearMozillaProfileCache(String profileId) async {
+  final cacheDir = await getApplicationCacheDirectory();
+  final mozillaCacheDir = Directory(p.join(cacheDir.path, profileId));
+
+  if (await mozillaCacheDir.exists()) {
+    await mozillaCacheDir.delete(recursive: true);
+  }
+}
+
+Future<List<Directory>> getProfilesWithDuplicateMozillaProfiles(
+  Directory profilesDir,
+) async {
+  final mozillaProfileDirs = await profilesDir
+      .list()
+      .transform(profileTransformer)
+      .transform(profileMozillaDirectoryTransformer)
+      .toList();
+
+  final duplicates = mozillaProfileDirs
+      .map((dir) => p.basename(dir.path))
+      .findDuplicates()
+      .toSet();
+
+  return mozillaProfileDirs
+      .where((dir) => duplicates.contains(p.basename(dir.path)))
+      .toList();
+}
+
 Future<UuidValue?> readStartupProfile(Directory dir) async {
   final file = File(p.join(dir.path, _startupProfileFileName));
 

app/lib/utils/form_validators.dart

@@ -17,7 +17,10 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
+import 'dart:io';
+
 import 'package:nullability/nullability.dart';
+import 'package:path/path.dart' as p;
 import 'package:weblibre/utils/uri_parser.dart' as uri_parser;
 
 String? validateUrl(
@@ -55,3 +58,87 @@ String? validateRequired(String? value, {String message = 'Value required'}) {
 
   return message;
 }
+
+String? validatePath(String? value) {
+  if (value == null || value.isEmpty) {
+    return 'Path cannot be empty';
+  }
+
+  // Check for invalid characters
+  // ignore: unnecessary_raw_strings
+  final invalidChars = RegExp(r'[<>"|?*]');
+  if (invalidChars.hasMatch(value)) {
+    return 'Path contains invalid characters';
+  }
+
+  // Validate path structure
+  try {
+    p.normalize(value);
+  } catch (e) {
+    return 'Invalid path format';
+  }
+
+  return null;
+}
+
+String? validateDirectoryExisting(String? value) {
+  if (value == null || value.isEmpty) {
+    return 'Path cannot be empty';
+  }
+
+  if (!Directory(value).existsSync()) {
+    return 'Directory is not existing';
+  }
+
+  return null;
+}
+
+String? validateDirectoryNotExisting(String? value) {
+  if (value == null || value.isEmpty) {
+    return 'Path cannot be empty';
+  }
+
+  if (Directory(value).existsSync()) {
+    return 'Directory already exisits';
+  }
+
+  return null;
+}
+
+String? validateFileNotExisting(String? value) {
+  if (value == null || value.isEmpty) {
+    return 'Path cannot be empty';
+  }
+
+  if (File(value).existsSync()) {
+    return 'File already exisits';
+  }
+
+  return null;
+}
+
+String? validateFileExisting(String? value) {
+  if (value == null || value.isEmpty) {
+    return 'Path cannot be empty';
+  }
+
+  if (!File(value).existsSync()) {
+    return 'File not existing';
+  }
+
+  return null;
+}
+
+final _profileNamePattern = RegExp(r"""^[^~)('!*<>:;,?"*|/_]+$""");
+
+String? validateProfileName(String? value) {
+  if (value == null || value.isEmpty) {
+    return 'Name required';
+  }
+
+  if (!_profileNamePattern.hasMatch(value)) {
+    return 'Name contains invalid caharcters';
+  }
+
+  return null;
+}

app/pubspec.yaml

@@ -11,13 +11,16 @@ dependencies:
   animated_tree_view: ^2.3.0
   background_fetch: ^1.5.0
   collection: ^1.19.1
+  convert: ^3.1.2
   copy_with_extension: ^10.0.1
   country_flags: ^4.1.0
+  cryptography_flutter: ^2.3.4
   drift: ^2.30.0
   drift_dev: ^2.30.0
   dynamic_color: ^1.8.1
   exceptions: ^0.6.1
   fading_scroll: ^0.9.1
+  fancy_password_field: ^2.0.8
   fast_equatable: ^1.3.1
   flutter:
     sdk: flutter
@@ -62,6 +65,12 @@ dependencies:
   riverpod_annotation: ^3.0.3
   rss_dart: ^1.0.14
   rxdart: ^0.28.0
+  saf_stream: ^0.12.3
+  saf_util: ^0.11.0
+  secure_archive:
+    git:
+      url: https://github.com/FaFre/secure_archive.git
+      path: packages/secure_archive
   share_plus: ^12.0.1
   simple_intent_receiver:
     path: ../packages/simple_intent_receiver