fluffychat/lib/widgets/matrix.dart
2022-04-15 13:55:39 +02:00

574 lines
18 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:adaptive_theme/adaptive_theme.dart';
import 'package:collection/collection.dart';
import 'package:desktop_notifications/desktop_notifications.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:http/http.dart' as http;
import 'package:image_picker/image_picker.dart';
import 'package:matrix/encryption.dart';
import 'package:matrix/matrix.dart';
import 'package:provider/provider.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:universal_html/html.dart' as html;
import 'package:url_launcher/url_launcher.dart';
import 'package:vrouter/vrouter.dart';
import 'package:fluffychat/config/themes.dart';
import 'package:fluffychat/utils/client_manager.dart';
import 'package:fluffychat/utils/platform_infos.dart';
import 'package:fluffychat/utils/sentry_controller.dart';
import 'package:fluffychat/utils/uia_request_manager.dart';
import 'package:fluffychat/utils/voip_plugin.dart';
import '../config/app_config.dart';
import '../config/setting_keys.dart';
import '../pages/key_verification/key_verification_dialog.dart';
import '../utils/account_bundles.dart';
import '../utils/background_push.dart';
import '../utils/famedlysdk_store.dart';
import '../utils/platform_infos.dart';
import 'local_notifications_extension.dart';
// import 'package:flutter_secure_storage/flutter_secure_storage.dart';
class Matrix extends StatefulWidget {
final Widget? child;
final GlobalKey<VRouterState>? router;
final BuildContext context;
final List<Client> clients;
final Map<String, String>? queryParameters;
const Matrix({
this.child,
required this.router,
required this.context,
required this.clients,
this.queryParameters,
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 {
int _activeClient = -1;
String? activeBundle;
Store store = Store();
late BuildContext navigatorContext;
HomeserverSummary? loginHomeserverSummary;
XFile? loginAvatar;
String? loginUsername;
bool? loginRegistrationSupported;
BackgroundPush? _backgroundPush;
Client get client {
if (widget.clients.isEmpty) {
widget.clients.add(getLoginClient());
}
if (_activeClient < 0 || _activeClient >= widget.clients.length) {
return currentBundle!.first!;
}
return widget.clients[_activeClient];
}
bool get webrtcIsSupported =>
kIsWeb ||
PlatformInfos.isMobile ||
PlatformInfos.isWindows ||
PlatformInfos.isMacOS;
VoipPlugin? voipPlugin;
bool get isMultiAccount => widget.clients.length > 1;
int getClientIndexByMatrixId(String matrixId) =>
widget.clients.indexWhere((client) => client.userID == matrixId);
late String currentClientSecret;
RequestTokenResponse? currentThreepidCreds;
void setActiveClient(Client? cl) {
final i = widget.clients.indexWhere((c) => c == cl);
if (i != -1) {
_activeClient = i;
// TODO: Multi-client VoiP support
createVoipPlugin();
} else {
Logs().w('Tried to set an unknown client ${cl!.userID} as active');
}
}
List<Client?>? get currentBundle {
if (!hasComplexBundles) {
return List.from(widget.clients);
}
final bundles = accountBundles;
if (bundles.containsKey(activeBundle)) {
return bundles[activeBundle];
}
return bundles.values.first;
}
Map<String?, List<Client?>> get accountBundles {
final resBundles = <String?, List<_AccountBundleWithClient>>{};
for (var i = 0; i < widget.clients.length; i++) {
final bundles = widget.clients[i].accountBundles;
for (final bundle in bundles) {
if (bundle.name == null) {
continue;
}
resBundles[bundle.name] ??= [];
resBundles[bundle.name]!.add(_AccountBundleWithClient(
client: widget.clients[i],
bundle: bundle,
));
}
}
for (final b in resBundles.values) {
b.sort((a, b) => a.bundle!.priority == null
? 1
: b.bundle!.priority == null
? -1
: a.bundle!.priority!.compareTo(b.bundle!.priority!));
}
return resBundles
.map((k, v) => MapEntry(k, v.map((vv) => vv.client).toList()));
}
bool get hasComplexBundles => accountBundles.values.any((v) => v.length > 1);
Client? _loginClientCandidate;
Client getLoginClient() {
if (widget.clients.isNotEmpty && !client.isLogged()) {
return client;
}
final candidate = _loginClientCandidate ??= ClientManager.createClient(
'${AppConfig.applicationName}-${DateTime.now().millisecondsSinceEpoch}')
..onLoginStateChanged
.stream
.where((l) => l == LoginState.loggedIn)
.first
.then((_) {
if (!widget.clients.contains(_loginClientCandidate)) {
widget.clients.add(_loginClientCandidate!);
}
ClientManager.addClientNameToStore(_loginClientCandidate!.clientName);
_registerSubs(_loginClientCandidate!.clientName);
_loginClientCandidate = null;
widget.router!.currentState!.to('/rooms');
});
return candidate;
}
Client? getClientByName(String name) =>
widget.clients.firstWhereOrNull((c) => c.clientName == name);
Map<String, dynamic>? get shareContent => _shareContent;
set shareContent(Map<String, dynamic>? content) {
_shareContent = content;
onShareContentChanged.add(_shareContent);
}
Map<String, dynamic>? _shareContent;
final StreamController<Map<String, dynamic>?> onShareContentChanged =
StreamController.broadcast();
File? wallpaper;
void _initWithStore() async {
try {
if (client.isLogged()) {
// TODO: Figure out how this works in multi account
final statusMsg = await store.getItem(SettingKeys.ownStatusMessage);
if (statusMsg?.isNotEmpty ?? false) {
Logs().v('Send cached status message: "$statusMsg"');
await client.setPresence(
client.userID!,
PresenceType.online,
statusMsg: statusMsg,
);
}
}
} catch (e, s) {
client.onLoginStateChanged.sink.addError(e, s);
SentryController.captureException(e, s);
rethrow;
}
}
final onRoomKeyRequestSub = <String, StreamSubscription>{};
final onKeyVerificationRequestSub = <String, StreamSubscription>{};
final onNotification = <String, StreamSubscription>{};
final onLoginStateChanged = <String, StreamSubscription<LoginState>>{};
final onUiaRequest = <String, StreamSubscription<UiaRequest>>{};
StreamSubscription<html.Event>? onFocusSub;
StreamSubscription<html.Event>? onBlurSub;
final onOwnPresence = <String, StreamSubscription<Presence>>{};
String? _cachedPassword;
Timer? _cachedPasswordClearTimer;
String? get cachedPassword => _cachedPassword;
set cachedPassword(String? p) {
Logs().d('Password cached');
_cachedPasswordClearTimer?.cancel();
_cachedPassword = p;
_cachedPasswordClearTimer = Timer(const Duration(minutes: 10), () {
_cachedPassword = null;
Logs().d('Cached Password cleared');
});
}
bool webHasFocus = true;
String? get activeRoomId =>
VRouter.of(navigatorContext).pathParameters['roomid'];
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);
} on FormatException catch (_) {
Logs().v('[ConfigLoader] config.json not found');
} catch (e) {
Logs().v('[ConfigLoader] config.json not found', e);
}
}
void _reportSyncError(SyncStatusUpdate update) =>
SentryController.captureException(
update.error!.exception,
update.error!.stackTrace,
);
void _registerSubs(String name) {
final c = getClientByName(name);
if (c == null) {
Logs().w(
'Attempted to register subscriptions for non-existing client $name');
return;
}
c.onSyncStatus.stream
.where((s) => s.status == SyncStatus.error)
.listen(_reportSyncError);
onRoomKeyRequestSub[name] ??=
c.onRoomKeyRequest.stream.listen((RoomKeyRequest request) async {
if (widget.clients.any(((cl) =>
cl.userID == request.requestingDevice.userId &&
cl.identityKey == request.requestingDevice.curve25519Key))) {
Logs().i(
'[Key Request] Request is from one of our own clients, forwarding the key...');
await request.forwardKey();
}
});
onKeyVerificationRequestSub[name] ??= c.onKeyVerificationRequest.stream
.listen((KeyVerification request) async {
var hidPopup = false;
request.onUpdate = () {
if (!hidPopup &&
{KeyVerificationState.done, KeyVerificationState.error}
.contains(request.state)) {
Navigator.of(navigatorContext).pop('dialog');
}
hidPopup = true;
};
request.onUpdate = null;
hidPopup = true;
await KeyVerificationDialog(request: request).show(navigatorContext);
});
onLoginStateChanged[name] ??= c.onLoginStateChanged.stream.listen((state) {
final loggedInWithMultipleClients = widget.clients.length > 1;
if (state != LoginState.loggedIn) {
_cancelSubs(c.clientName);
widget.clients.remove(c);
ClientManager.removeClientNameFromStore(c.clientName);
}
if (loggedInWithMultipleClients && state != LoginState.loggedIn) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(L10n.of(context)!.oneClientLoggedOut),
),
);
if (state != LoginState.loggedIn) {
widget.router!.currentState!.to(
'/rooms',
queryParameters: widget.router!.currentState!.queryParameters,
);
}
} else {
widget.router!.currentState!.to(
state == LoginState.loggedIn ? '/rooms' : '/home',
queryParameters: widget.router!.currentState!.queryParameters,
);
}
});
// Cache and resend status message
onOwnPresence[name] ??= c.onPresence.stream.listen((presence) {
if (c.isLogged() &&
c.userID == presence.senderId &&
presence.presence.statusMsg != null) {
Logs().v('Update status message: "${presence.presence.statusMsg}"');
store.setItem(
SettingKeys.ownStatusMessage, presence.presence.statusMsg);
}
});
onUiaRequest[name] ??= c.onUiaRequest.stream.listen(uiaRequestHandler);
if (PlatformInfos.isWeb || PlatformInfos.isLinux) {
c.onSync.stream.first.then((s) {
html.Notification.requestPermission();
onNotification[name] ??= c.onEvent.stream
.where((e) =>
e.type == EventUpdateType.timeline &&
[EventTypes.Message, EventTypes.Sticker, EventTypes.Encrypted]
.contains(e.content['type']) &&
e.content['sender'] != c.userID)
.listen(showLocalNotification);
});
}
}
void _cancelSubs(String name) {
onRoomKeyRequestSub[name]?.cancel();
onRoomKeyRequestSub.remove(name);
onKeyVerificationRequestSub[name]?.cancel();
onKeyVerificationRequestSub.remove(name);
onLoginStateChanged[name]?.cancel();
onLoginStateChanged.remove(name);
onOwnPresence[name]?.cancel();
onOwnPresence.remove(name);
onNotification[name]?.cancel();
onNotification.remove(name);
}
void initMatrix() {
// Display the app lock
if (PlatformInfos.isMobile) {
WidgetsBinding.instance!.addPostFrameCallback((_) {
([TargetPlatform.linux].contains(Theme.of(context).platform)
? SharedPreferences.getInstance()
.then((prefs) => prefs.getString(SettingKeys.appLockKey))
: const FlutterSecureStorage()
.read(key: SettingKeys.appLockKey))
.then((lock) {
if (lock?.isNotEmpty ?? false) {
AppLock.of(widget.context)!.enable();
AppLock.of(widget.context)!.showLockScreen();
}
});
});
}
_initWithStore();
for (final c in widget.clients) {
_registerSubs(c.clientName);
}
if (kIsWeb) {
onFocusSub = html.window.onFocus.listen((_) => webHasFocus = true);
onBlurSub = html.window.onBlur.listen((_) => webHasFocus = false);
}
if (PlatformInfos.isMobile) {
_backgroundPush = BackgroundPush(
client,
context,
widget.router,
onFcmError: (errorMsg, {Uri? link}) => Timer(
const Duration(seconds: 1),
() {
final banner = SnackBar(
content: Text(errorMsg),
duration: const Duration(seconds: 30),
action: link == null
? null
: SnackBarAction(
label: L10n.of(context)!.link,
onPressed: () => launch(link.toString()),
),
);
ScaffoldMessenger.of(navigatorContext).showSnackBar(banner);
},
),
);
}
createVoipPlugin();
}
void createVoipPlugin() async {
if (await store.getItemBool(SettingKeys.experimentalVoip) == false) {
voipPlugin = null;
return;
}
voipPlugin =
webrtcIsSupported ? VoipPlugin(client: client, context: context) : null;
}
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() {
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.getItem(SettingKeys.bubbleSizeFactor).then((value) =>
AppConfig.bubbleSizeFactor =
double.tryParse(value ?? '') ?? AppConfig.bubbleSizeFactor);
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);
store
.getItemBool(SettingKeys.showDirectChatsInSpaces,
AppConfig.showDirectChatsInSpaces)
.then((value) => AppConfig.showDirectChatsInSpaces = value);
store
.getItemBool(SettingKeys.separateChatTypes, AppConfig.separateChatTypes)
.then((value) => AppConfig.separateChatTypes = value);
store
.getItemBool(SettingKeys.autoplayImages, AppConfig.autoplayImages)
.then((value) => AppConfig.autoplayImages = value);
store
.getItemBool(SettingKeys.sendOnEnter, AppConfig.sendOnEnter)
.then((value) => AppConfig.sendOnEnter = value);
store
.getItemBool(SettingKeys.experimentalVoip, AppConfig.experimentalVoip)
.then((value) => AppConfig.experimentalVoip = value);
store.getItem(SettingKeys.chatColor).then((value) {
if (value != null && int.tryParse(value) != null) {
AppConfig.chatColor = Color(int.parse(value));
AdaptiveTheme.of(context).setTheme(
light: FluffyThemes.light,
dark: FluffyThemes.dark,
);
}
});
}
@override
void dispose() {
WidgetsBinding.instance!.removeObserver(this);
onRoomKeyRequestSub.values.map((s) => s.cancel());
onKeyVerificationRequestSub.values.map((s) => s.cancel());
onLoginStateChanged.values.map((s) => s.cancel());
onOwnPresence.values.map((s) => s.cancel());
onNotification.values.map((s) => s.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({
required String sid,
required 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;
}
}
class _AccountBundleWithClient {
final Client? client;
final AccountBundle? bundle;
_AccountBundleWithClient({this.client, this.bundle});
}