fluffychat/lib/views/key_verification.dart

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Dart
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2020-06-25 16:29:06 +02:00
import 'package:flutter/material.dart';
import 'package:famedlysdk/encryption.dart';
import 'package:famedlysdk/matrix_api.dart';
import 'chat_list.dart';
import '../components/adaptive_page_layout.dart';
import '../components/avatar.dart';
import '../components/dialogs/simple_dialogs.dart';
import '../l10n/l10n.dart';
class KeyVerificationView extends StatelessWidget {
final KeyVerification request;
KeyVerificationView({this.request});
@override
Widget build(BuildContext context) {
return AdaptivePageLayout(
primaryPage: FocusPage.SECOND,
firstScaffold: ChatList(),
secondScaffold: KeyVerificationPage(request: request),
);
}
}
class KeyVerificationPage extends StatefulWidget {
final KeyVerification request;
KeyVerificationPage({this.request});
@override
_KeyVerificationPageState createState() => _KeyVerificationPageState();
}
class _KeyVerificationPageState extends State<KeyVerificationPage> {
void Function() originalOnUpdate;
@override
void initState() {
originalOnUpdate = widget.request.onUpdate;
widget.request.onUpdate = () {
if (originalOnUpdate != null) {
originalOnUpdate();
}
setState(() => null);
};
widget.request.client.getProfileFromUserId(widget.request.userId).then((p) {
profile = p;
setState(() => null);
});
super.initState();
}
@override
void dispose() {
widget.request.onUpdate =
originalOnUpdate; // don't want to get updates anymore
if (![KeyVerificationState.error, KeyVerificationState.done]
.contains(widget.request.state)) {
widget.request.cancel('m.user');
}
super.dispose();
}
Profile profile;
@override
Widget build(BuildContext context) {
Widget body;
final buttons = <Widget>[];
switch (widget.request.state) {
case KeyVerificationState.askSSSS:
// prompt the user for their ssss passphrase / key
final textEditingController = TextEditingController();
String input;
final checkInput = () async {
if (input == null) {
return;
}
SimpleDialogs(context).showLoadingDialog(context);
// make sure the loading spinner shows before we test the keys
await Future.delayed(Duration(milliseconds: 100));
var valid = false;
try {
await widget.request.openSSSS(recoveryKey: input);
valid = true;
} catch (_) {
try {
await widget.request.openSSSS(passphrase: input);
valid = true;
} catch (_) {
valid = false;
}
}
await Navigator.of(context)?.pop();
if (!valid) {
await SimpleDialogs(context).inform(
contentText: L10n.of(context).incorrectPassphraseOrKey,
);
}
};
body = Container(
margin: EdgeInsets.only(left: 8.0, right: 8.0),
child: Column(
children: <Widget>[
Text(L10n.of(context).askSSSSSign,
style: TextStyle(fontSize: 20)),
Container(height: 10),
TextField(
controller: textEditingController,
autofocus: false,
autocorrect: false,
onSubmitted: (s) {
input = s;
checkInput();
},
minLines: 1,
maxLines: 1,
obscureText: true,
decoration: InputDecoration(
hintText: L10n.of(context).passphraseOrKey,
prefixStyle: TextStyle(color: Theme.of(context).primaryColor),
suffixStyle: TextStyle(color: Theme.of(context).primaryColor),
border: OutlineInputBorder(),
),
),
],
mainAxisSize: MainAxisSize.min,
),
);
buttons.add(RaisedButton(
color: Theme.of(context).primaryColor,
elevation: 5,
textColor: Colors.white,
child: Text(L10n.of(context).submit),
onPressed: () {
input = textEditingController.text;
checkInput();
},
));
buttons.add(RaisedButton(
textColor: Theme.of(context).primaryColor,
elevation: 5,
color: Colors.white,
child: Text(L10n.of(context).skip),
onPressed: () => widget.request.openSSSS(skip: true),
));
break;
case KeyVerificationState.askAccept:
body = Container(
child: Text(
L10n.of(context).askVerificationRequest(widget.request.userId),
style: TextStyle(fontSize: 20)),
margin: EdgeInsets.only(left: 8.0, right: 8.0),
);
buttons.add(RaisedButton(
color: Theme.of(context).primaryColor,
elevation: 5,
textColor: Colors.white,
child: Text(L10n.of(context).accept),
onPressed: () => widget.request.acceptVerification(),
));
buttons.add(RaisedButton(
textColor: Theme.of(context).primaryColor,
elevation: 5,
color: Colors.white,
child: Text(L10n.of(context).reject),
onPressed: () {
widget.request.rejectVerification().then((_) {
Navigator.of(context).pop();
});
},
));
break;
case KeyVerificationState.waitingAccept:
body = Column(
children: <Widget>[
CircularProgressIndicator(),
Container(height: 10),
Text(L10n.of(context).waitingPartnerAcceptRequest),
],
mainAxisSize: MainAxisSize.min,
);
break;
case KeyVerificationState.askSas:
var emojiWidgets = <Widget>[];
// maybe add a button to switch between the two and only determine default
// view for if "emoji" is a present sasType or not?
String compareText;
if (widget.request.sasTypes.contains('emoji')) {
compareText = L10n.of(context).compareEmojiMatch;
emojiWidgets =
widget.request.sasEmojis.map((e) => _Emoji(e)).toList();
} else {
compareText = L10n.of(context).compareNumbersMatch;
final numbers = widget.request.sasNumbers;
emojiWidgets = <Widget>[
Text(numbers[0].toString(), style: TextStyle(fontSize: 40)),
Text('-', style: TextStyle(fontSize: 40)),
Text(numbers[1].toString(), style: TextStyle(fontSize: 40)),
Text('-', style: TextStyle(fontSize: 40)),
Text(numbers[2].toString(), style: TextStyle(fontSize: 40)),
];
}
body = Column(
children: <Widget>[
Container(
child: Text(compareText, style: TextStyle(fontSize: 20)),
margin: EdgeInsets.only(left: 8.0, right: 8.0),
),
Container(height: 10),
RichText(
text: TextSpan(
children:
emojiWidgets.map((w) => WidgetSpan(child: w)).toList(),
),
textAlign: TextAlign.center,
),
],
mainAxisSize: MainAxisSize.min,
);
buttons.add(RaisedButton(
color: Theme.of(context).primaryColor,
elevation: 5,
textColor: Colors.white,
child: Text(L10n.of(context).theyMatch),
onPressed: () => widget.request.acceptSas(),
));
buttons.add(RaisedButton(
textColor: Theme.of(context).primaryColor,
elevation: 5,
color: Colors.white,
child: Text(L10n.of(context).theyDontMatch),
onPressed: () => widget.request.rejectSas(),
));
break;
case KeyVerificationState.waitingSas:
var acceptText = widget.request.sasTypes.contains('emoji')
? L10n.of(context).waitingPartnerEmoji
: L10n.of(context).waitingPartnerNumbers;
body = Column(
children: <Widget>[
CircularProgressIndicator(),
Container(height: 10),
Text(acceptText),
],
mainAxisSize: MainAxisSize.min,
);
break;
case KeyVerificationState.done:
body = Column(
children: <Widget>[
Icon(Icons.check_circle, color: Colors.green, size: 200.0),
Container(height: 10),
Text(L10n.of(context).verifySuccess),
],
mainAxisSize: MainAxisSize.min,
);
buttons.add(RaisedButton(
color: Theme.of(context).primaryColor,
elevation: 5,
textColor: Colors.white,
child: Text(L10n.of(context).close),
onPressed: () => Navigator.of(context).pop(),
));
break;
case KeyVerificationState.error:
body = Column(
children: <Widget>[
Icon(Icons.cancel, color: Colors.red, size: 200.0),
Container(height: 10),
Text(
'Error ${widget.request.canceledCode}: ${widget.request.canceledReason}'),
],
mainAxisSize: MainAxisSize.min,
);
buttons.add(RaisedButton(
color: Theme.of(context).primaryColor,
elevation: 5,
textColor: Colors.white,
child: Text(L10n.of(context).close),
onPressed: () => Navigator.of(context).pop(),
));
break;
}
body ??= Text('ERROR: Unknown state ' + widget.request.state.toString());
final otherName = profile?.displayname ?? widget.request.userId;
var bottom;
if (widget.request.deviceId != null) {
final deviceName = widget
.request
.client
.userDeviceKeys[widget.request.userId]
?.deviceKeys[widget.request.deviceId]
?.deviceDisplayName ??
'';
bottom = PreferredSize(
child: Text('$deviceName (${widget.request.deviceId})',
style: TextStyle(color: Theme.of(context).textTheme.caption.color)),
preferredSize: Size(0.0, 20.0),
);
}
return Scaffold(
appBar: AppBar(
title: ListTile(
leading: Avatar(profile?.avatarUrl, otherName),
contentPadding: EdgeInsets.zero,
title: Text(L10n.of(context).verifyTitle),
isThreeLine: otherName != widget.request.userId,
subtitle: Column(
children: <Widget>[
Text(otherName),
if (otherName != widget.request.userId)
Text(widget.request.userId),
],
crossAxisAlignment: CrossAxisAlignment.start,
),
),
elevation: 0,
bottom: bottom,
),
extendBody: true,
extendBodyBehindAppBar: true,
body: Center(
child: body,
),
persistentFooterButtons: buttons.isEmpty ? null : buttons,
);
}
}
class _Emoji extends StatelessWidget {
final KeyVerificationEmoji emoji;
_Emoji(this.emoji);
@override
Widget build(BuildContext context) {
return Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Text(emoji.emoji, style: TextStyle(fontSize: 50)),
Text(emoji.name),
Container(height: 10, width: 5),
],
);
}
}