fluffychat/lib/widgets/matrix.dart
2021-07-08 17:10:20 +02:00

467 lines
15 KiB
Dart

import 'dart:async';
import 'dart:io';
import 'dart:convert';
import 'package:adaptive_dialog/adaptive_dialog.dart';
import 'package:matrix/encryption.dart';
import 'package:matrix/matrix.dart';
import 'package:fluffychat/utils/matrix_sdk_extensions.dart/matrix_locals.dart';
import 'package:fluffychat/utils/platform_infos.dart';
import 'package:fluffychat/utils/sentry_controller.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_app_lock/flutter_app_lock.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:provider/provider.dart';
import 'package:universal_html/html.dart' as html;
import 'package:http/http.dart' as http;
import 'package:url_launcher/url_launcher.dart';
import 'package:desktop_notifications/desktop_notifications.dart';
import '../utils/famedlysdk_store.dart';
import '../pages/key_verification_dialog.dart';
import '../utils/platform_infos.dart';
import '../config/app_config.dart';
import '../config/setting_keys.dart';
import '../utils/background_push.dart';
import 'package:vrouter/vrouter.dart';
class Matrix extends StatefulWidget {
static const String callNamespace = 'chat.fluffy.jitsi_call';
final Widget child;
final GlobalKey<VRouterState> router;
final BuildContext context;
final Client client;
Matrix({
this.child,
@required this.router,
@required this.context,
@required this.client,
Key key,
}) : super(key: key);
@override
MatrixState createState() => MatrixState();
/// Returns the (nearest) Client instance of your application.
static MatrixState of(BuildContext context) =>
Provider.of<MatrixState>(context, listen: false);
}
class MatrixState extends State<Matrix> with WidgetsBindingObserver {
Client get client => widget.client;
Store store = Store();
BuildContext navigatorContext;
BackgroundPush _backgroundPush;
Map<String, dynamic> get shareContent => _shareContent;
set shareContent(Map<String, dynamic> content) {
_shareContent = content;
onShareContentChanged.add(_shareContent);
}
Map<String, dynamic> _shareContent;
final StreamController<Map<String, dynamic>> onShareContentChanged =
StreamController.broadcast();
File wallpaper;
void _initWithStore() async {
try {
await client.init();
if (client.isLogged()) {
final statusMsg = await store.getItem(SettingKeys.ownStatusMessage);
if (statusMsg?.isNotEmpty ?? false) {
Logs().v('Send cached status message: "$statusMsg"');
await client.setPresence(
client.userID,
PresenceType.online,
statusMsg: statusMsg,
);
}
}
} catch (e, s) {
client.onLoginStateChanged.sink.addError(e, s);
SentryController.captureException(e, s);
rethrow;
}
}
StreamSubscription onRoomKeyRequestSub;
StreamSubscription onKeyVerificationRequestSub;
StreamSubscription onJitsiCallSub;
StreamSubscription onNotification;
StreamSubscription<LoginState> onLoginStateChanged;
StreamSubscription<UiaRequest> onUiaRequest;
StreamSubscription<html.Event> onFocusSub;
StreamSubscription<html.Event> onBlurSub;
StreamSubscription<Presence> onOwnPresence;
String _cachedPassword;
String get cachedPassword {
final tmp = _cachedPassword;
_cachedPassword = null;
return tmp;
}
set cachedPassword(String p) => _cachedPassword = p;
String currentClientSecret;
RequestTokenResponse currentThreepidCreds;
void _onUiaRequest(UiaRequest uiaRequest) async {
try {
if (uiaRequest.state != UiaRequestState.waitForUser ||
uiaRequest.nextStages.isEmpty) return;
final stage = uiaRequest.nextStages.first;
switch (stage) {
case AuthenticationTypes.password:
final input = cachedPassword ??
(await showTextInputDialog(
useRootNavigator: false,
context: navigatorContext,
title: L10n.of(widget.context).pleaseEnterYourPassword,
okLabel: L10n.of(widget.context).ok,
cancelLabel: L10n.of(widget.context).cancel,
textFields: [
DialogTextField(
minLines: 1,
maxLines: 1,
obscureText: true,
hintText: '******',
)
],
))
?.single;
if (input?.isEmpty ?? true) return;
return uiaRequest.completeStage(
AuthenticationPassword(
session: uiaRequest.session,
user: client.userID,
password: input,
identifier: AuthenticationUserIdentifier(user: client.userID),
),
);
case AuthenticationTypes.emailIdentity:
if (currentClientSecret == null || currentThreepidCreds == null) {
return uiaRequest
.cancel(Exception('This server requires an email address'));
}
final auth = AuthenticationThreePidCreds(
session: uiaRequest.session,
type: AuthenticationTypes.emailIdentity,
threepidCreds: [
ThreepidCreds(
sid: currentThreepidCreds.sid,
clientSecret: currentClientSecret,
),
],
);
currentThreepidCreds = currentClientSecret = null;
return uiaRequest.completeStage(auth);
case AuthenticationTypes.dummy:
return uiaRequest.completeStage(
AuthenticationData(
type: AuthenticationTypes.dummy,
session: uiaRequest.session,
),
);
default:
await launch(
client.homeserver.toString() +
'/_matrix/client/r0/auth/$stage/fallback/web?session=${uiaRequest.session}',
);
if (OkCancelResult.ok ==
await showOkCancelAlertDialog(
useRootNavigator: false,
message: L10n.of(widget.context).pleaseFollowInstructionsOnWeb,
context: navigatorContext,
okLabel: L10n.of(widget.context).next,
cancelLabel: L10n.of(widget.context).cancel,
)) {
return uiaRequest.completeStage(
AuthenticationData(session: uiaRequest.session),
);
} else {
return uiaRequest.cancel();
}
}
} catch (e, s) {
Logs().e('Error while background UIA', e, s);
return uiaRequest.cancel(e);
}
}
bool webHasFocus = true;
String get activeRoomId =>
VRouter.of(navigatorContext).pathParameters['roomid'];
void _showLocalNotification(EventUpdate eventUpdate) async {
final roomId = eventUpdate.roomID;
if (webHasFocus && activeRoomId == roomId) return;
final room = client.getRoomById(roomId);
if (room.notificationCount == 0) return;
final event = Event.fromJson(eventUpdate.content, room);
final title =
room.getLocalizedDisplayname(MatrixLocals(L10n.of(widget.context)));
final body = event.getLocalizedBody(
MatrixLocals(L10n.of(widget.context)),
withSenderNamePrefix:
!room.isDirectChat || room.lastEvent.senderId == client.userID,
);
final icon = event.sender.avatarUrl?.getThumbnail(client,
width: 64, height: 64, method: ThumbnailMethod.crop) ??
room.avatar?.getThumbnail(client,
width: 64, height: 64, method: ThumbnailMethod.crop);
if (kIsWeb) {
html.AudioElement()
..src = 'assets/assets/sounds/notification.wav'
..autoplay = true
..load();
html.Notification(
title,
body: body,
icon: icon.toString(),
);
} else if (Platform.isLinux) {
await linuxNotifications.notify(
title,
body: body,
replacesId: _linuxNotificationIds[roomId] ?? -1,
appName: AppConfig.applicationName,
);
}
}
final linuxNotifications =
PlatformInfos.isLinux ? NotificationsClient() : null;
final Map<String, int> _linuxNotificationIds = {};
@override
void initState() {
super.initState();
WidgetsBinding.instance.addObserver(this);
initMatrix();
if (PlatformInfos.isWeb) {
initConfig().then((_) => initSettings());
} else {
initSettings();
}
}
Future<void> initConfig() async {
try {
final configJsonString =
utf8.decode((await http.get(Uri.parse('config.json'))).bodyBytes);
final configJson = json.decode(configJsonString);
AppConfig.loadFromJson(configJson);
} catch (e, _) {
Logs().v('[ConfigLoader] config.json not found', e);
}
}
LoginState loginState;
void initMatrix() {
// Display the app lock
if (PlatformInfos.isMobile) {
WidgetsBinding.instance.addPostFrameCallback((_) {
FlutterSecureStorage().read(key: SettingKeys.appLockKey).then((lock) {
if (lock?.isNotEmpty ?? false) {
AppLock.of(widget.context).enable();
AppLock.of(widget.context).showLockScreen();
}
});
});
}
onKeyVerificationRequestSub ??= client.onKeyVerificationRequest.stream
.listen((KeyVerification request) async {
var hidPopup = false;
request.onUpdate = () {
if (!hidPopup &&
{KeyVerificationState.done, KeyVerificationState.error}
.contains(request.state)) {
Navigator.of(navigatorContext).pop('dialog');
}
hidPopup = true;
};
if (await showOkCancelAlertDialog(
useRootNavigator: false,
context: navigatorContext,
title: L10n.of(widget.context).newVerificationRequest,
message:
L10n.of(widget.context).askVerificationRequest(request.userId),
okLabel: L10n.of(widget.context).ok,
cancelLabel: L10n.of(widget.context).cancel,
) ==
OkCancelResult.ok) {
request.onUpdate = null;
hidPopup = true;
await request.acceptVerification();
await KeyVerificationDialog(request: request).show(navigatorContext);
} else {
request.onUpdate = null;
hidPopup = true;
await request.rejectVerification();
}
});
_initWithStore();
if (kIsWeb) {
onFocusSub = html.window.onFocus.listen((_) => webHasFocus = true);
onBlurSub = html.window.onBlur.listen((_) => webHasFocus = false);
}
onLoginStateChanged ??= client.onLoginStateChanged.stream.listen((state) {
if (loginState != state) {
loginState = state;
final isInLoginRoutes = {'/home', '/login', '/signup'}
.contains(widget.router.currentState.url);
if (widget.router.currentState.url == '/' ||
(state == LoginState.logged) == isInLoginRoutes) {
widget.router.currentState.to(
loginState == LoginState.logged ? '/rooms' : '/home',
queryParameters: widget.router.currentState.queryParameters,
);
}
}
});
// Cache and resend status message
onOwnPresence ??= client.onPresence.stream.listen((presence) {
if (client.isLogged() &&
client.userID == presence.senderId &&
presence.presence?.statusMsg != null) {
Logs().v('Update status message: "${presence.presence.statusMsg}"');
store.setItem(
SettingKeys.ownStatusMessage, presence.presence.statusMsg);
}
});
onUiaRequest ??= client.onUiaRequest.stream.listen(_onUiaRequest);
if (PlatformInfos.isWeb || PlatformInfos.isLinux) {
client.onSync.stream.first.then((s) {
html.Notification.requestPermission();
onNotification ??= client.onEvent.stream
.where((e) =>
e.type == EventUpdateType.timeline &&
[EventTypes.Message, EventTypes.Sticker, EventTypes.Encrypted]
.contains(e.content['type']) &&
e.content['sender'] != client.userID)
.listen(_showLocalNotification);
});
}
if (PlatformInfos.isMobile) {
_backgroundPush = BackgroundPush(
client,
context,
widget.router,
onFcmError: (errorMsg) => ScaffoldMessenger.of(context)
.showSnackBar(SnackBar(content: Text(errorMsg))),
);
}
}
bool _firstStartup = true;
@override
void didChangeAppLifecycleState(AppLifecycleState state) {
Logs().v('AppLifecycleState = $state');
final foreground = state != AppLifecycleState.detached &&
state != AppLifecycleState.paused;
client.backgroundSync = foreground;
client.syncPresence = foreground ? null : PresenceType.unavailable;
client.requestHistoryOnLimitedTimeline = !foreground;
if (_firstStartup) {
_firstStartup = false;
_backgroundPush?.setupPush();
}
}
void initSettings() {
if (store != null) {
store.getItem(SettingKeys.jitsiInstance).then((final instance) =>
AppConfig.jitsiInstance = instance ?? AppConfig.jitsiInstance);
store.getItem(SettingKeys.wallpaper).then((final path) async {
if (path == null) return;
final file = File(path);
if (await file.exists()) {
wallpaper = file;
}
});
store.getItem(SettingKeys.fontSizeFactor).then((value) =>
AppConfig.fontSizeFactor =
double.tryParse(value ?? '') ?? AppConfig.fontSizeFactor);
store
.getItemBool(SettingKeys.renderHtml, AppConfig.renderHtml)
.then((value) => AppConfig.renderHtml = value);
store
.getItemBool(
SettingKeys.hideRedactedEvents, AppConfig.hideRedactedEvents)
.then((value) => AppConfig.hideRedactedEvents = value);
store
.getItemBool(
SettingKeys.hideUnknownEvents, AppConfig.hideUnknownEvents)
.then((value) => AppConfig.hideUnknownEvents = value);
}
}
@override
void dispose() {
WidgetsBinding.instance.removeObserver(this);
onRoomKeyRequestSub?.cancel();
onKeyVerificationRequestSub?.cancel();
onLoginStateChanged?.cancel();
onOwnPresence?.cancel();
onNotification?.cancel();
onFocusSub?.cancel();
onBlurSub?.cancel();
_backgroundPush?.onLogin?.cancel();
linuxNotifications?.close();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Provider(
create: (_) => this,
child: widget.child,
);
}
}
class FixedThreepidCreds extends ThreepidCreds {
FixedThreepidCreds({
String sid,
String clientSecret,
String idServer,
String idAccessToken,
}) : super(
sid: sid,
clientSecret: clientSecret,
idServer: idServer,
idAccessToken: idAccessToken,
);
@override
Map<String, dynamic> toJson() {
final data = <String, dynamic>{};
data['sid'] = sid;
data['client_secret'] = clientSecret;
if (idServer != null) data['id_server'] = idServer;
if (idAccessToken != null) data['id_access_token'] = idAccessToken;
return data;
}
}