266 lines
8.6 KiB
Dart
266 lines
8.6 KiB
Dart
/*
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* Copyright (c) 2024-2026 Fabian Freund.
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*
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* This file is part of WebLibre
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* (see https://weblibre.eu).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import 'dart:async';
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import 'package:fading_scroll/fading_scroll.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:weblibre/core/routing/routes.dart';
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import 'package:weblibre/features/geckoview/features/browser/domain/services/browser_addon.dart';
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import 'package:weblibre/features/geckoview/features/browser/presentation/dialogs/install_local_addon_dialog.dart';
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import 'package:weblibre/features/settings/presentation/widgets/custom_list_tile.dart';
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import 'package:weblibre/features/settings/presentation/widgets/sections.dart';
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class ExtensionsSettingsScreen extends StatelessWidget {
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const ExtensionsSettingsScreen({super.key});
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: const Text('Extensions')),
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body: SafeArea(
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child: FadingScroll(
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fadingSize: 25,
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builder: (context, controller) {
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return ListView(
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controller: controller,
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padding: const EdgeInsets.symmetric(horizontal: 12.0),
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children: const [
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SettingSection(name: 'Extensions'),
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_InstallLocalAddonTile(),
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_AddonCollectionTile(),
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SettingSection(name: 'Security'),
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_AllowUnsignedExtensionsTile(),
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],
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);
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},
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),
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),
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);
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}
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}
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class _InstallLocalAddonTile extends StatelessWidget {
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const _InstallLocalAddonTile();
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@override
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Widget build(BuildContext context) {
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return CustomListTile(
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title: 'Install from File',
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subtitle: 'Install an extension from a local .xpi file',
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prefix: Padding(
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padding: const EdgeInsets.only(right: 16.0),
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child: Icon(
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MdiIcons.puzzle,
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size: 24,
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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suffix: FilledButton.icon(
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onPressed: () async {
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await showInstallLocalAddonDialog(context);
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},
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icon: const Icon(Icons.file_open),
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label: const Text('Install'),
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),
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);
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}
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}
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class _AddonCollectionTile extends StatelessWidget {
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const _AddonCollectionTile();
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@override
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Widget build(BuildContext context) {
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return CustomListTile(
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title: 'Custom Collection',
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subtitle: 'Use a custom Mozilla addon collection',
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prefix: Padding(
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padding: const EdgeInsets.only(right: 16.0),
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child: Icon(
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MdiIcons.folderMultiple,
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size: 24,
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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suffix: FilledButton.icon(
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onPressed: () async {
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await AddonCollectionRoute().push(context);
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},
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icon: const Icon(Icons.settings),
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label: const Text('Configure'),
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),
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);
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}
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}
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class _AllowUnsignedExtensionsTile extends ConsumerWidget {
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const _AllowUnsignedExtensionsTile();
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final allowUnsigned = ref.watch(allowUnsignedExtensionsProvider);
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return Column(
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children: [
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SwitchListTile.adaptive(
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title: const Text('Allow unsigned extensions'),
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subtitle: const Text(
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'Unsigned extensions have not been verified by Mozilla',
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),
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secondary: const Icon(Icons.extension_off),
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value: allowUnsigned.value ?? false,
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onChanged: allowUnsigned.isLoading
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? null
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: (value) async {
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if (value) {
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final confirmed =
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await _showAllowUnsignedConfirmationDialog(context);
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if (confirmed != true) return;
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}
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await ref
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.read(allowUnsignedExtensionsProvider.notifier)
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.setAllowUnsigned(allow: value);
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},
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),
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if (allowUnsigned.value == true)
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16.0),
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child: Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: Theme.of(
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context,
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).colorScheme.errorContainer.withValues(alpha: 0.5),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: Theme.of(context).colorScheme.error),
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),
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child: Row(
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children: [
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Icon(
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Icons.warning_amber,
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color: Theme.of(context).colorScheme.error,
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size: 20,
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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'Only install unsigned extensions from sources you trust. '
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'They may contain malicious code.',
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style: TextStyle(
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color: Theme.of(context).colorScheme.onErrorContainer,
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fontSize: 12,
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),
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),
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),
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],
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),
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),
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),
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],
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);
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}
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}
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Future<bool?> _showAllowUnsignedConfirmationDialog(BuildContext context) {
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return showDialog<bool>(
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context: context,
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builder: (context) => const _AllowUnsignedConfirmationDialog(),
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);
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}
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class _AllowUnsignedConfirmationDialog extends HookWidget {
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const _AllowUnsignedConfirmationDialog();
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static const _countdownSeconds = 15;
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@override
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Widget build(BuildContext context) {
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final remaining = useState(_countdownSeconds);
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useEffect(() {
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final timer = Timer.periodic(const Duration(seconds: 1), (_) {
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if (remaining.value > 0) {
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remaining.value--;
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}
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});
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return timer.cancel;
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}, []);
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final theme = Theme.of(context);
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final canConfirm = remaining.value == 0;
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return AlertDialog(
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icon: Icon(
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Icons.warning_amber_rounded,
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color: theme.colorScheme.error,
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size: 40,
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),
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title: const Text('Allow unsigned extensions?'),
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content: Text.rich(
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TextSpan(
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children: [
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TextSpan(
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text:
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"Warning: This significantly weakens your browser's security."
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'\n\n',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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color: theme.colorScheme.error,
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),
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),
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const TextSpan(
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text:
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"Unsigned extensions bypass Mozilla's safety review process. "
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'Malicious extensions can:\n\n'
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'\u2022 Read and modify everything you see on any website\n'
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'\u2022 Steal passwords, banking details, and personal data\n'
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'\u2022 Monitor your browsing activity silently\n'
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'\u2022 Install additional malware on your device\n\n',
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),
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const TextSpan(
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text:
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'Only enable this if you are a developer installing your own '
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'extension or absolutely trust the source.',
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),
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],
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),
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(false),
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child: const Text('Cancel'),
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),
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FilledButton(
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onPressed: canConfirm ? () => Navigator.of(context).pop(true) : null,
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style: FilledButton.styleFrom(
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backgroundColor: theme.colorScheme.error,
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foregroundColor: theme.colorScheme.onError,
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),
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child: Text(canConfirm ? 'Allow' : 'Allow (${remaining.value})'),
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),
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],
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);
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}
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}
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