443 lines
17 KiB
Dart
443 lines
17 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:adaptive_dialog/adaptive_dialog.dart';
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import 'package:flutter_gen/gen_l10n/l10n.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:future_loading_dialog/future_loading_dialog.dart';
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import 'package:matrix/encryption.dart';
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import 'package:matrix/encryption/utils/bootstrap.dart';
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import 'package:matrix/matrix.dart';
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import 'package:share_plus/share_plus.dart';
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import 'package:fluffychat/config/themes.dart';
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import 'package:fluffychat/utils/platform_infos.dart';
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import 'package:fluffychat/widgets/adaptive_flat_button.dart';
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import '../key_verification/key_verification_dialog.dart';
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class BootstrapDialog extends StatefulWidget {
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final bool wipe;
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final Client client;
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const BootstrapDialog({
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Key? key,
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this.wipe = false,
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required this.client,
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}) : super(key: key);
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Future<bool?> show(BuildContext context) => PlatformInfos.isCupertinoStyle
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? showCupertinoDialog(
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context: context,
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builder: (context) => this,
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barrierDismissible: true,
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useRootNavigator: false,
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)
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: showDialog(
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context: context,
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builder: (context) => this,
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barrierDismissible: true,
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useRootNavigator: false,
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);
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@override
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BootstrapDialogState createState() => BootstrapDialogState();
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}
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class BootstrapDialogState extends State<BootstrapDialog> {
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final TextEditingController _recoveryKeyTextEditingController =
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TextEditingController();
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late Bootstrap bootstrap;
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String? _recoveryKeyInputError;
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bool _recoveryKeyInputLoading = false;
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String? titleText;
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bool _recoveryKeyStored = false;
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bool _recoveryKeyCopied = false;
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bool? _storeInSecureStorage = false;
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bool? _wipe;
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String get _secureStorageKey =>
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'ssss_recovery_key_${bootstrap.client.userID}';
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bool get _supportsSecureStorage =>
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PlatformInfos.isMobile || PlatformInfos.isDesktop;
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String _getSecureStorageLocalizedName() {
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if (PlatformInfos.isAndroid) {
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return L10n.of(context)!.storeInAndroidKeystore;
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}
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if (PlatformInfos.isIOS || PlatformInfos.isMacOS) {
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return L10n.of(context)!.storeInAppleKeyChain;
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}
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return L10n.of(context)!.storeSecurlyOnThisDevice;
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}
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@override
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void initState() {
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_createBootstrap(widget.wipe);
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super.initState();
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}
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void _createBootstrap(bool wipe) async {
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_wipe = wipe;
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titleText = null;
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_recoveryKeyStored = false;
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bootstrap =
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widget.client.encryption!.bootstrap(onUpdate: (_) => setState(() {}));
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final key = await const FlutterSecureStorage().read(key: _secureStorageKey);
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if (key == null) return;
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_recoveryKeyTextEditingController.text = key;
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}
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@override
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Widget build(BuildContext context) {
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_wipe ??= widget.wipe;
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final buttons = <AdaptiveFlatButton>[];
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Widget body = PlatformInfos.isCupertinoStyle
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? const CupertinoActivityIndicator()
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: const LinearProgressIndicator();
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titleText = L10n.of(context)!.loadingPleaseWait;
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if (bootstrap.newSsssKey?.recoveryKey != null &&
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_recoveryKeyStored == false) {
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final key = bootstrap.newSsssKey!.recoveryKey;
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titleText = L10n.of(context)!.recoveryKey;
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return Scaffold(
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appBar: AppBar(
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centerTitle: true,
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leading: IconButton(
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icon: const Icon(Icons.close),
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onPressed: Navigator.of(context).pop,
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),
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title: Text(L10n.of(context)!.recoveryKey),
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),
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body: Center(
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child: ConstrainedBox(
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constraints:
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const BoxConstraints(maxWidth: FluffyThemes.columnWidth * 1.5),
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child: ListView(
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padding: const EdgeInsets.all(16.0),
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children: [
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ListTile(
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contentPadding: const EdgeInsets.symmetric(horizontal: 8.0),
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trailing: Icon(
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Icons.info_outlined,
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color: Theme.of(context).colorScheme.primary,
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),
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subtitle: Text(L10n.of(context)!.chatBackupDescription),
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),
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const Divider(
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height: 32,
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thickness: 1,
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),
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TextField(
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minLines: 4,
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maxLines: 4,
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readOnly: true,
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style: const TextStyle(fontFamily: 'monospace'),
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controller: TextEditingController(text: key),
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),
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const SizedBox(height: 16),
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if (_supportsSecureStorage)
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CheckboxListTile(
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contentPadding: const EdgeInsets.symmetric(horizontal: 8.0),
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value: _storeInSecureStorage,
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activeColor: Theme.of(context).colorScheme.primary,
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onChanged: (b) {
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setState(() {
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_storeInSecureStorage = b;
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});
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},
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title: Text(_getSecureStorageLocalizedName()),
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subtitle:
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Text(L10n.of(context)!.storeInSecureStorageDescription),
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),
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const SizedBox(height: 16),
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CheckboxListTile(
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contentPadding: const EdgeInsets.symmetric(horizontal: 8.0),
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value: _recoveryKeyCopied,
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activeColor: Theme.of(context).colorScheme.primary,
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onChanged: (b) {
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final box = context.findRenderObject() as RenderBox;
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Share.share(
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key!,
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sharePositionOrigin:
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box.localToGlobal(Offset.zero) & box.size,
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);
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setState(() => _recoveryKeyCopied = true);
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},
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title: Text(L10n.of(context)!.copyToClipboard),
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subtitle: Text(L10n.of(context)!.saveKeyManuallyDescription),
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),
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const SizedBox(height: 16),
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ElevatedButton.icon(
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icon: const Icon(Icons.check_outlined),
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label: Text(L10n.of(context)!.next),
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onPressed:
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(_recoveryKeyCopied || _storeInSecureStorage == true)
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? () {
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if (_storeInSecureStorage == true) {
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const FlutterSecureStorage().write(
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key: _secureStorageKey,
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value: key,
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);
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}
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setState(() => _recoveryKeyStored = true);
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}
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: null,
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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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} else {
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switch (bootstrap.state) {
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case BootstrapState.loading:
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break;
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case BootstrapState.askWipeSsss:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.wipeSsss(_wipe!),
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);
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break;
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case BootstrapState.askBadSsss:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.ignoreBadSecrets(true),
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);
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break;
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case BootstrapState.askUseExistingSsss:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.useExistingSsss(!_wipe!),
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);
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break;
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case BootstrapState.askUnlockSsss:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.unlockedSsss(),
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);
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break;
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case BootstrapState.askNewSsss:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.newSsss(),
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);
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break;
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case BootstrapState.openExistingSsss:
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_recoveryKeyStored = true;
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return Scaffold(
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appBar: AppBar(
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centerTitle: true,
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leading: IconButton(
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icon: const Icon(Icons.close),
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onPressed: Navigator.of(context).pop,
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),
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title: Text(L10n.of(context)!.unlockOldMessages),
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),
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body: Center(
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child: ConstrainedBox(
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constraints: const BoxConstraints(
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maxWidth: FluffyThemes.columnWidth * 1.5),
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child: ListView(
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padding: const EdgeInsets.all(16.0),
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children: [
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ListTile(
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contentPadding:
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const EdgeInsets.symmetric(horizontal: 8.0),
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trailing: Icon(
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Icons.info_outlined,
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color: Theme.of(context).colorScheme.primary,
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),
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subtitle: Text(
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L10n.of(context)!.pleaseEnterRecoveryKeyDescription),
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),
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const Divider(height: 32),
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TextField(
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minLines: 2,
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maxLines: 2,
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autocorrect: false,
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readOnly: _recoveryKeyInputLoading,
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autofillHints: _recoveryKeyInputLoading
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? null
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: [AutofillHints.password],
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controller: _recoveryKeyTextEditingController,
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style: const TextStyle(fontFamily: 'monospace'),
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decoration: InputDecoration(
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hintText: 'Abc123 Def456',
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labelStyle: TextStyle(
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fontFamily: Theme.of(context)
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.textTheme
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.bodyText1
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?.fontFamily),
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labelText: L10n.of(context)!.recoveryKey,
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errorText: _recoveryKeyInputError,
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),
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),
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const SizedBox(height: 16),
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ElevatedButton.icon(
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style: ElevatedButton.styleFrom(
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foregroundColor:
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Theme.of(context).colorScheme.onPrimary,
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backgroundColor: Theme.of(context).primaryColor,
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),
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icon: _recoveryKeyInputLoading
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? const CircularProgressIndicator.adaptive()
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: const Icon(Icons.lock_open_outlined),
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label: Text(L10n.of(context)!.unlockOldMessages),
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onPressed: _recoveryKeyInputLoading
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? null
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: () async {
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setState(() {
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_recoveryKeyInputError = null;
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_recoveryKeyInputLoading = true;
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});
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try {
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final key =
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_recoveryKeyTextEditingController.text;
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await bootstrap.newSsssKey!.unlock(
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keyOrPassphrase: key,
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);
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Logs().d('SSSS unlocked');
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await bootstrap
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.client.encryption!.crossSigning
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.selfSign(
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keyOrPassphrase: key,
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);
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Logs().d('Successful elfsigned');
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await bootstrap.openExistingSsss();
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} catch (e, s) {
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Logs().w('Unable to unlock SSSS', e, s);
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setState(() => _recoveryKeyInputError =
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L10n.of(context)!.oopsSomethingWentWrong);
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} finally {
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setState(
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() => _recoveryKeyInputLoading = false);
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}
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}),
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const SizedBox(height: 16),
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Row(children: [
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const Expanded(child: Divider()),
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Padding(
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padding: const EdgeInsets.all(12.0),
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child: Text(L10n.of(context)!.or),
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),
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const Expanded(child: Divider()),
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]),
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const SizedBox(height: 16),
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ElevatedButton.icon(
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icon: const Icon(Icons.cast_connected_outlined),
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label: Text(L10n.of(context)!.transferFromAnotherDevice),
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onPressed: _recoveryKeyInputLoading
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? null
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: () async {
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final req = await showFutureLoadingDialog(
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context: context,
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future: () => widget.client
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.userDeviceKeys[widget.client.userID!]!
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.startVerification(),
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);
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if (req.error != null) return;
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await KeyVerificationDialog(request: req.result!)
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.show(context);
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Navigator.of(context, rootNavigator: false).pop();
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},
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),
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const SizedBox(height: 16),
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ElevatedButton.icon(
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style: ElevatedButton.styleFrom(
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foregroundColor: Colors.red,
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),
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icon: const Icon(Icons.delete_outlined),
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label: Text(L10n.of(context)!.recoveryKeyLost),
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onPressed: _recoveryKeyInputLoading
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? null
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: () async {
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if (OkCancelResult.ok ==
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await showOkCancelAlertDialog(
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useRootNavigator: false,
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context: context,
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title: L10n.of(context)!.recoveryKeyLost,
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message: L10n.of(context)!.wipeChatBackup,
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okLabel: L10n.of(context)!.ok,
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cancelLabel: L10n.of(context)!.cancel,
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isDestructiveAction: true,
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)) {
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setState(() => _createBootstrap(true));
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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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case BootstrapState.askWipeCrossSigning:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.wipeCrossSigning(_wipe!),
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);
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break;
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case BootstrapState.askSetupCrossSigning:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.askSetupCrossSigning(
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setupMasterKey: true,
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setupSelfSigningKey: true,
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setupUserSigningKey: true,
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),
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);
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break;
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case BootstrapState.askWipeOnlineKeyBackup:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.wipeOnlineKeyBackup(_wipe!),
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);
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break;
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case BootstrapState.askSetupOnlineKeyBackup:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.askSetupOnlineKeyBackup(true),
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);
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break;
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case BootstrapState.error:
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titleText = L10n.of(context)!.oopsSomethingWentWrong;
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body = const Icon(Icons.error_outline, color: Colors.red, size: 40);
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buttons.add(AdaptiveFlatButton(
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label: L10n.of(context)!.close,
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onPressed: () =>
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Navigator.of(context, rootNavigator: false).pop<bool>(false),
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));
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break;
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case BootstrapState.done:
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titleText = L10n.of(context)!.everythingReady;
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body = Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Image.asset('assets/backup.png', fit: BoxFit.contain),
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Text(L10n.of(context)!.yourChatBackupHasBeenSetUp),
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],
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);
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buttons.add(AdaptiveFlatButton(
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label: L10n.of(context)!.close,
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onPressed: () =>
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Navigator.of(context, rootNavigator: false).pop<bool>(false),
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));
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break;
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}
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}
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final title = Text(titleText!);
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if (PlatformInfos.isCupertinoStyle) {
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return CupertinoAlertDialog(
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title: title,
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content: body,
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actions: buttons,
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);
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}
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return AlertDialog(
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title: title,
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content: body,
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actions: buttons,
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);
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}
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}
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