import 'package:adaptive_dialog/adaptive_dialog.dart'; import 'package:famedlysdk/encryption.dart'; import 'package:famedlysdk/encryption/utils/bootstrap.dart'; import 'package:famedlysdk/famedlysdk.dart'; import 'package:fluffychat/widgets/adaptive_flat_button.dart'; import 'package:flutter/services.dart'; import 'package:fluffychat/utils/platform_infos.dart'; import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import 'package:flutter_gen/gen_l10n/l10n.dart'; import 'package:future_loading_dialog/future_loading_dialog.dart'; import 'key_verification_dialog.dart'; class BootstrapDialog extends StatefulWidget { final bool wipe; final Client client; const BootstrapDialog({ Key key, this.wipe = false, @required this.client, }) : super(key: key); Future show(BuildContext context) => PlatformInfos.isCupertinoStyle ? showCupertinoDialog( context: context, builder: (context) => this, useRootNavigator: false, barrierDismissible: true, ) : showDialog( context: context, builder: (context) => this, useRootNavigator: false, barrierDismissible: true, ); @override _BootstrapDialogState createState() => _BootstrapDialogState(); } class _BootstrapDialogState extends State { final TextEditingController _recoveryKeyTextEditingController = TextEditingController(); Bootstrap bootstrap; String _recoveryKeyInputError; bool _recoveryKeyInputLoading = false; String titleText; bool _recoveryKeyStored = false; bool _wipe; void _createBootstrap(bool wipe) { setState(() { _wipe = wipe; titleText = null; _recoveryKeyStored = false; bootstrap = widget.client.encryption .bootstrap(onUpdate: () => setState(() => null)); }); } @override Widget build(BuildContext context) { _wipe ??= widget.wipe; final buttons = []; Widget body = LinearProgressIndicator(); titleText = L10n.of(context).loadingPleaseWait; if (bootstrap == null) { titleText = L10n.of(context).chatBackup; body = Text(L10n.of(context).chatBackupDescription); buttons.add(AdaptiveFlatButton( label: L10n.of(context).next, onPressed: () => _createBootstrap(false), )); } else if (bootstrap.newSsssKey?.recoveryKey != null && _recoveryKeyStored == false) { final key = bootstrap.newSsssKey.recoveryKey; titleText = L10n.of(context).securityKey; body = Container( alignment: Alignment.center, width: 200, height: 128, child: Text( key, textAlign: TextAlign.center, style: TextStyle( fontSize: 18, wordSpacing: 38, fontFamily: 'monospace', ), ), ); buttons.add(AdaptiveFlatButton( label: L10n.of(context).copyToClipboard, onPressed: () => Clipboard.setData(ClipboardData(text: key)), )); buttons.add(AdaptiveFlatButton( label: L10n.of(context).next, onPressed: () => setState(() => _recoveryKeyStored = true), )); } else { switch (bootstrap.state) { case BootstrapState.loading: break; case BootstrapState.askWipeSsss: WidgetsBinding.instance.addPostFrameCallback( (_) => bootstrap.wipeSsss(_wipe), ); break; case BootstrapState.askUseExistingSsss: WidgetsBinding.instance.addPostFrameCallback( (_) => bootstrap.useExistingSsss(!_wipe), ); break; case BootstrapState.askUnlockSsss: throw Exception('This state is not supposed to be implemented'); case BootstrapState.askNewSsss: WidgetsBinding.instance.addPostFrameCallback( (_) => bootstrap.newSsss(), ); break; case BootstrapState.openExistingSsss: _recoveryKeyStored = true; titleText = _recoveryKeyInputError ?? L10n.of(context).pleaseEnterSecurityKey; body = PlatformInfos.isCupertinoStyle ? CupertinoTextField( minLines: 1, maxLines: 1, autofocus: true, autocorrect: false, autofillHints: _recoveryKeyInputLoading ? null : [AutofillHints.password], controller: _recoveryKeyTextEditingController, ) : TextField( minLines: 1, maxLines: 1, autofocus: true, autocorrect: false, autofillHints: _recoveryKeyInputLoading ? null : [AutofillHints.password], controller: _recoveryKeyTextEditingController, decoration: InputDecoration( border: UnderlineInputBorder(), filled: false, hintText: L10n.of(context).securityKey, ), ); buttons.add(AdaptiveFlatButton( label: L10n.of(context).unlockChatBackup, onPressed: () async { setState(() { _recoveryKeyInputError = null; _recoveryKeyInputLoading = true; }); try { await bootstrap.newSsssKey.unlock( keyOrPassphrase: _recoveryKeyTextEditingController.text, ); await bootstrap.openExistingSsss(); } catch (e, s) { Logs().w('Unable to unlock SSSS', e, s); setState(() => _recoveryKeyInputError = L10n.of(context).oopsSomethingWentWrong); } finally { setState(() => _recoveryKeyInputLoading = false); } })); buttons.add(AdaptiveFlatButton( label: L10n.of(context).transferFromAnotherDevice, onPressed: () async { final req = await showFutureLoadingDialog( context: context, future: () => widget.client.userDeviceKeys[widget.client.userID] .startVerification(), ); if (req.error != null) return; await KeyVerificationDialog(request: req.result).show(context); Navigator.of(context, rootNavigator: false).pop(); }, )); buttons.add(AdaptiveFlatButton( textColor: Colors.red, label: L10n.of(context).securityKeyLost, onPressed: () async { if (OkCancelResult.ok == await showOkCancelAlertDialog( context: context, useRootNavigator: false, title: L10n.of(context).securityKeyLost, message: L10n.of(context).wipeChatBackup, okLabel: L10n.of(context).ok, cancelLabel: L10n.of(context).cancel, isDestructiveAction: true, )) { _createBootstrap(true); } }, )); break; case BootstrapState.askWipeCrossSigning: WidgetsBinding.instance.addPostFrameCallback( (_) => bootstrap.wipeCrossSigning(_wipe), ); break; case BootstrapState.askSetupCrossSigning: WidgetsBinding.instance.addPostFrameCallback( (_) => bootstrap.askSetupCrossSigning( setupMasterKey: true, setupSelfSigningKey: true, setupUserSigningKey: true, ), ); break; case BootstrapState.askWipeOnlineKeyBackup: WidgetsBinding.instance.addPostFrameCallback( (_) => bootstrap.wipeOnlineKeyBackup(_wipe), ); break; case BootstrapState.askSetupOnlineKeyBackup: WidgetsBinding.instance.addPostFrameCallback( (_) => bootstrap.askSetupOnlineKeyBackup(true), ); break; case BootstrapState.askBadSsss: case BootstrapState.error: titleText = L10n.of(context).oopsSomethingWentWrong; body = ListTile( contentPadding: EdgeInsets.zero, leading: Icon(Icons.error_outline, color: Colors.red), title: Text(L10n.of(context).oopsSomethingWentWrong), ); buttons.add(AdaptiveFlatButton( label: L10n.of(context).close, onPressed: () => Navigator.of(context, rootNavigator: false).pop(false), )); break; case BootstrapState.done: titleText = L10n.of(context).everythingReady; body = ListTile( contentPadding: EdgeInsets.zero, leading: Icon(Icons.check_circle, color: Colors.green), title: Text(L10n.of(context).keysCached), ); buttons.add(AdaptiveFlatButton( label: L10n.of(context).close, onPressed: () => Navigator.of(context, rootNavigator: false).pop(false), )); break; } } final title = Text(titleText); if (PlatformInfos.isCupertinoStyle) { return CupertinoAlertDialog( title: title, content: body, actions: buttons, ); } return AlertDialog( title: title, content: body, actions: buttons, ); } }