fluffychat/lib/pages/bootstrap_dialog.dart

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import 'package:adaptive_dialog/adaptive_dialog.dart';
import 'package:matrix/encryption.dart';
import 'package:matrix/encryption/utils/bootstrap.dart';
import 'package:matrix/matrix.dart';
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import 'package:fluffychat/widgets/adaptive_flat_button.dart';
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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';
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import 'package:future_loading_dialog/future_loading_dialog.dart';
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import 'key_verification_dialog.dart';
class BootstrapDialog extends StatefulWidget {
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final bool wipe;
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final Client client;
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const BootstrapDialog({
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(
context: context,
builder: (context) => this,
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barrierDismissible: true,
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useRootNavigator: false,
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)
: showDialog(
context: context,
builder: (context) => this,
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barrierDismissible: true,
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useRootNavigator: false,
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);
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@override
_BootstrapDialogState createState() => _BootstrapDialogState();
}
class _BootstrapDialogState extends State<BootstrapDialog> {
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final TextEditingController _recoveryKeyTextEditingController =
TextEditingController();
Bootstrap bootstrap;
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String _recoveryKeyInputError;
bool _recoveryKeyInputLoading = false;
String titleText;
bool _recoveryKeyStored = false;
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bool _wipe;
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void _createBootstrap(bool wipe) {
setState(() {
_wipe = wipe;
titleText = null;
_recoveryKeyStored = false;
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bootstrap = widget.client.encryption
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.bootstrap(onUpdate: () => setState(() => null));
});
}
@override
Widget build(BuildContext context) {
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_wipe ??= widget.wipe;
final buttons = <AdaptiveFlatButton>[];
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Widget body = PlatformInfos.isCupertinoStyle
? CupertinoActivityIndicator()
: LinearProgressIndicator();
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titleText = L10n.of(context).loadingPleaseWait;
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if (bootstrap == null) {
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titleText = L10n.of(context).chatBackup;
body = Text(L10n.of(context).chatBackupDescription);
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buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).next,
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onPressed: () => _createBootstrap(false),
));
} else if (bootstrap.newSsssKey?.recoveryKey != null &&
_recoveryKeyStored == false) {
final key = bootstrap.newSsssKey.recoveryKey;
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titleText = L10n.of(context).securityKey;
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body = Container(
alignment: Alignment.center,
width: 200,
height: 128,
child: Text(
key,
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 18,
wordSpacing: 38,
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fontFamily: 'monospace',
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),
),
);
buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).copyToClipboard,
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onPressed: () => Clipboard.setData(ClipboardData(text: key)),
));
buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).next,
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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 =
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_recoveryKeyInputError ?? L10n.of(context).pleaseEnterSecurityKey;
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body = PlatformInfos.isCupertinoStyle
? CupertinoTextField(
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minLines: 1,
maxLines: 1,
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autofocus: true,
autocorrect: false,
autofillHints: _recoveryKeyInputLoading
? null
: [AutofillHints.password],
controller: _recoveryKeyTextEditingController,
)
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: TextField(
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minLines: 1,
maxLines: 1,
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autofocus: true,
autocorrect: false,
autofillHints: _recoveryKeyInputLoading
? null
: [AutofillHints.password],
controller: _recoveryKeyTextEditingController,
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decoration: InputDecoration(
border: UnderlineInputBorder(),
filled: false,
hintText: L10n.of(context).securityKey,
),
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);
buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).unlockChatBackup,
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onPressed: () async {
setState(() {
_recoveryKeyInputError = null;
_recoveryKeyInputLoading = true;
});
try {
await bootstrap.newSsssKey.unlock(
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keyOrPassphrase: _recoveryKeyTextEditingController.text,
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);
await bootstrap.openExistingSsss();
} catch (e, s) {
Logs().w('Unable to unlock SSSS', e, s);
setState(() => _recoveryKeyInputError =
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L10n.of(context).oopsSomethingWentWrong);
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} finally {
setState(() => _recoveryKeyInputLoading = false);
}
}));
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buttons.add(AdaptiveFlatButton(
label: L10n.of(context).transferFromAnotherDevice,
onPressed: () async {
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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);
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Navigator.of(context, rootNavigator: false).pop();
},
));
buttons.add(AdaptiveFlatButton(
textColor: Colors.red,
label: L10n.of(context).securityKeyLost,
onPressed: () async {
if (OkCancelResult.ok ==
await showOkCancelAlertDialog(
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useRootNavigator: false,
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context: context,
title: L10n.of(context).securityKeyLost,
message: L10n.of(context).wipeChatBackup,
okLabel: L10n.of(context).ok,
cancelLabel: L10n.of(context).cancel,
isDestructiveAction: true,
)) {
_createBootstrap(true);
}
},
));
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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:
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titleText = L10n.of(context).oopsSomethingWentWrong;
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body = 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: () =>
Navigator.of(context, rootNavigator: false).pop<bool>(false),
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));
break;
case BootstrapState.done:
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titleText = L10n.of(context).everythingReady;
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body = Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.check_circle, color: Colors.green, size: 40),
Text(L10n.of(context).keysCached),
],
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);
buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).close,
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onPressed: () =>
Navigator.of(context, rootNavigator: false).pop<bool>(false),
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));
break;
}
}
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final title = Text(titleText);
if (PlatformInfos.isCupertinoStyle) {
return CupertinoAlertDialog(
title: title,
content: body,
actions: buttons,
);
}
return AlertDialog(
title: title,
content: body,
actions: buttons,
);
}
}