fluffychat/lib/views/chat_encryption_settings.dart
2021-01-16 13:24:52 +00:00

219 lines
8.5 KiB
Dart

import 'package:adaptive_dialog/adaptive_dialog.dart';
import 'package:famedlysdk/encryption.dart';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:fluffychat/components/avatar.dart';
import 'package:fluffychat/components/matrix.dart';
import 'package:fluffychat/utils/beautify_string_extension.dart';
import 'package:flushbar/flushbar_helper.dart';
import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import '../components/dialogs/key_verification_dialog.dart';
class ChatEncryptionSettings extends StatefulWidget {
final String id;
const ChatEncryptionSettings(this.id, {Key key}) : super(key: key);
@override
_ChatEncryptionSettingsState createState() => _ChatEncryptionSettingsState();
}
class _ChatEncryptionSettingsState extends State<ChatEncryptionSettings> {
Future<void> onSelected(
BuildContext context, String action, DeviceKeys key) async {
final room = Matrix.of(context).client.getRoomById(widget.id);
final unblock = () async {
if (key.blocked) {
await key.setBlocked(false);
}
};
switch (action) {
case 'verify':
await unblock();
final req = key.startVerification();
req.onUpdate = () {
if (req.state == KeyVerificationState.done) {
setState(() => null);
}
};
await KeyVerificationDialog(request: req).show(context);
break;
case 'verify_manual':
if (await showOkCancelAlertDialog(
context: context,
title: L10n.of(context).isDeviceKeyCorrect,
message: key.ed25519Key.beautified,
) ==
OkCancelResult.ok) {
await unblock();
await key.setVerified(true);
setState(() => null);
}
break;
case 'verify_user':
await unblock();
final req =
await room.client.userDeviceKeys[key.userId].startVerification();
req.onUpdate = () {
if (req.state == KeyVerificationState.done) {
setState(() => null);
}
};
await KeyVerificationDialog(request: req).show(context);
break;
case 'block':
if (key.directVerified) {
await key.setVerified(false);
}
await key.setBlocked(true);
setState(() => null);
break;
case 'unblock':
await unblock();
setState(() => null);
break;
}
}
@override
void initState() {
super.initState();
WidgetsBinding.instance.addPostFrameCallback(
(_) => FlushbarHelper.createInformation(
message: L10n.of(context).warningEncryptionInBeta)
.show(context),
);
}
@override
Widget build(BuildContext context) {
final room = Matrix.of(context).client.getRoomById(widget.id);
return Scaffold(
appBar: AppBar(
leading: BackButton(),
title: Text(L10n.of(context).participatingUserDevices),
),
body: StreamBuilder(
stream: room.onUpdate.stream,
builder: (context, snapshot) {
return FutureBuilder<List<DeviceKeys>>(
future: room.getUserDeviceKeys(),
builder: (BuildContext context, snapshot) {
if (snapshot.hasError) {
return Center(
child: Text(L10n.of(context).oopsSomethingWentWrong +
': ' +
snapshot.error.toString()),
);
}
if (!snapshot.hasData) {
return Center(child: CircularProgressIndicator());
}
final deviceKeys = snapshot.data;
return ListView.separated(
separatorBuilder: (BuildContext context, int i) =>
Divider(height: 1),
itemCount: deviceKeys.length,
itemBuilder: (BuildContext context, int i) => Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
if (i == 0 ||
deviceKeys[i].userId != deviceKeys[i - 1].userId)
Material(
child: PopupMenuButton(
onSelected: (action) =>
onSelected(context, action, deviceKeys[i]),
itemBuilder: (c) {
var items = <PopupMenuEntry<String>>[];
if (room
.client
.userDeviceKeys[deviceKeys[i].userId]
.verified ==
UserVerifiedStatus.unknown) {
items.add(PopupMenuItem(
child: Text(L10n.of(context).verifyUser),
value: 'verify_user',
));
}
return items;
},
child: ListTile(
leading: Avatar(
room
.getUserByMXIDSync(deviceKeys[i].userId)
.avatarUrl,
room
.getUserByMXIDSync(deviceKeys[i].userId)
.calcDisplayname(),
),
title: Text(room
.getUserByMXIDSync(deviceKeys[i].userId)
.calcDisplayname()),
subtitle: Text(deviceKeys[i].userId),
),
),
elevation: 2,
),
PopupMenuButton(
onSelected: (action) =>
onSelected(context, action, deviceKeys[i]),
itemBuilder: (c) {
var items = <PopupMenuEntry<String>>[];
if (deviceKeys[i].blocked ||
!deviceKeys[i].verified) {
if (deviceKeys[i].userId == room.client.userID) {
items.add(PopupMenuItem(
child: Text(L10n.of(context).verifyStart),
value: 'verify',
));
items.add(PopupMenuItem(
child: Text(L10n.of(context).verifyManual),
value: 'verify_manual',
));
} else {
items.add(PopupMenuItem(
child: Text(L10n.of(context).verifyUser),
value: 'verify_user',
));
}
}
if (deviceKeys[i].blocked) {
items.add(PopupMenuItem(
child: Text(L10n.of(context).unblockDevice),
value: 'unblock',
));
}
if (!deviceKeys[i].blocked) {
items.add(PopupMenuItem(
child: Text(L10n.of(context).blockDevice),
value: 'block',
));
}
return items;
},
child: ListTile(
title: Text(
'${deviceKeys[i].deviceDisplayName ?? L10n.of(context).unknownDevice}',
style: TextStyle(
color: deviceKeys[i].blocked
? Colors.red
: deviceKeys[i].verified
? Colors.green
: Colors.orange),
),
subtitle: Text(
'${L10n.of(context).deviceId}: ${deviceKeys[i].deviceId}',
),
),
),
],
),
);
},
);
}),
);
}
}