mirror of
https://gitlab.com/famedly/fluffychat.git
synced 2024-11-18 01:49:50 +01:00
736 lines
23 KiB
Dart
736 lines
23 KiB
Dart
/*
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* Famedly
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* Copyright (C) 2020, 2021 Famedly GmbH
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* Copyright (C) 2021 Fluffychat
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'dart:ui';
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import 'package:famedlysdk/famedlysdk.dart';
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import 'package:fcm_shared_isolate/fcm_shared_isolate.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:http/http.dart' as http;
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import 'package:unifiedpush/unifiedpush.dart';
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import 'package:flutter_gen/gen_l10n/l10n.dart';
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import 'package:flutter_gen/gen_l10n/l10n_en.dart';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:vrouter/vrouter.dart';
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import 'platform_infos.dart';
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import '../config/app_config.dart';
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import '../config/setting_keys.dart';
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import 'famedlysdk_store.dart';
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import 'matrix_sdk_extensions.dart/fluffy_client.dart';
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import 'matrix_sdk_extensions.dart/matrix_locals.dart';
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class NoTokenException implements Exception {
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String get cause => 'Cannot get firebase token';
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}
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class BackgroundPush {
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static BackgroundPush _instance;
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final FlutterLocalNotificationsPlugin _flutterLocalNotificationsPlugin =
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FlutterLocalNotificationsPlugin();
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FluffyClient client;
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BuildContext context;
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GlobalKey<VRouterState> router;
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String _fcmToken;
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LoginState _loginState;
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void Function(String errorMsg) onFcmError;
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L10n l10n;
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Store _store;
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Store get store => _store ??= Store();
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Future<void> loadLocale() async {
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// inspired by _lookupL10n in .dart_tool/flutter_gen/gen_l10n/l10n.dart
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l10n ??= (context != null ? L10n.of(context) : null) ??
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(await L10n.delegate.load(window.locale)) ??
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L10nEn();
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}
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final pendingTests = <String, Completer<void>>{};
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DateTime lastReceivedPush;
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BackgroundPush._(this.client, {this.onFcmError}) {
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onLogin ??=
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client.onLoginStateChanged.stream.listen(handleLoginStateChanged);
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onRoomSync ??= client.onSync.stream
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.where((s) => s.hasRoomUpdate)
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.listen((s) => _onClearingPush(getFromServer: false));
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_fcmSharedIsolate.setListeners(
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onMessage: _onFcmMessage,
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onNewToken: _newFcmToken,
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);
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if (Platform.isAndroid) {
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UnifiedPush.initializeWithReceiver(
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onNewEndpoint: _newUpEndpoint,
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onRegistrationFailed: _upUnregistered,
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onRegistrationRefused: _upUnregistered,
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onUnregistered: _upUnregistered,
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onMessage: _onUpMessage,
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);
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}
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}
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factory BackgroundPush.clientOnly(FluffyClient client) {
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_instance ??= BackgroundPush._(client);
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return _instance;
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}
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factory BackgroundPush(FluffyClient _client, BuildContext _context,
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GlobalKey<VRouterState> router,
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{final void Function(String errorMsg) onFcmError}) {
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final instance = BackgroundPush.clientOnly(_client);
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instance.context = _context;
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instance.router = router;
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instance.onFcmError = onFcmError;
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instance.fullInit();
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return instance;
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}
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Future<void> fullInit() async {
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await setupPush();
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}
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void handleLoginStateChanged(LoginState state) {
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_loginState = state;
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setupPush();
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}
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void _newFcmToken(String token) {
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_fcmToken = token;
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setupPush();
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}
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final _fcmSharedIsolate = FcmSharedIsolate();
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StreamSubscription<LoginState> onLogin;
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StreamSubscription<SyncUpdate> onRoomSync;
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Future<void> setupPusher({
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String gatewayUrl,
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String token,
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Set<String> oldTokens,
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bool useDeviceSpecificAppId = false,
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}) async {
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if (PlatformInfos.isIOS) {
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await _fcmSharedIsolate.requestPermission();
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}
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final clientName = PlatformInfos.clientName;
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oldTokens ??= <String>{};
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final pushers = await client.getPushers().catchError((e) {
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Logs().w('[Push] Unable to request pushers', e);
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return <Pusher>[];
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});
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var setNewPusher = false;
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// Just the plain app id, we add the .data_message suffix later
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var appId = AppConfig.pushNotificationsAppId;
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// we need the deviceAppId to remove potential legacy UP pusher
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var deviceAppId = '$appId.${client.deviceID}';
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// appId may only be up to 64 chars as per spec
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if (deviceAppId.length > 64) {
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deviceAppId = deviceAppId.substring(0, 64);
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}
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if (!useDeviceSpecificAppId && PlatformInfos.isAndroid) {
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appId += '.data_message';
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}
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final thisAppId = useDeviceSpecificAppId ? deviceAppId : appId;
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if (gatewayUrl != null && token != null && clientName != null) {
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final currentPushers = pushers.where((pusher) => pusher.pushkey == token);
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if (currentPushers.length == 1 &&
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currentPushers.first.kind == 'http' &&
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currentPushers.first.appId == thisAppId &&
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currentPushers.first.appDisplayName == clientName &&
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currentPushers.first.deviceDisplayName == client.deviceName &&
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currentPushers.first.lang == 'en' &&
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currentPushers.first.data.url.toString() == gatewayUrl &&
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currentPushers.first.data.format ==
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AppConfig.pushNotificationsPusherFormat) {
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Logs().i('[Push] Pusher already set');
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} else {
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Logs().i('Need to set new pusher');
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oldTokens.add(token);
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if (client.isLogged()) {
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setNewPusher = true;
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}
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}
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} else {
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Logs().w('[Push] Missing required push credentials');
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}
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for (final pusher in pushers) {
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if ((token != null &&
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pusher.pushkey != token &&
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deviceAppId == pusher.appId) ||
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oldTokens.contains(pusher.pushkey)) {
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pusher.kind = null;
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try {
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await client.postPusher(
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pusher,
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append: true,
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);
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Logs().i('[Push] Removed legacy pusher for this device');
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} catch (err) {
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Logs().w('[Push] Failed to remove old pusher', err);
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}
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}
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}
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if (setNewPusher) {
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try {
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await client.postPusher(
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Pusher(
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token,
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thisAppId,
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clientName,
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client.deviceName,
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'en',
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PusherData(
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url: Uri.parse(gatewayUrl),
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format: AppConfig.pushNotificationsPusherFormat,
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),
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kind: 'http',
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),
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append: false,
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);
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} catch (e, s) {
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Logs().e('[Push] Unable to set pushers', e, s);
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}
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}
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}
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bool _wentToRoomOnStartup = false;
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Future<void> setupPush() async {
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await setupLocalNotificationsPlugin();
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if (_loginState != LoginState.logged ||
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!PlatformInfos.isMobile ||
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context == null) {
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return;
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}
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if (!PlatformInfos.isIOS &&
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(await UnifiedPush.getDistributors()).isNotEmpty) {
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await setupUp();
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} else {
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await setupFirebase();
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}
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// ignore: unawaited_futures
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_flutterLocalNotificationsPlugin
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.getNotificationAppLaunchDetails()
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.then((details) {
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if (details == null ||
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!details.didNotificationLaunchApp ||
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_wentToRoomOnStartup ||
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router == null) {
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return;
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}
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_wentToRoomOnStartup = true;
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goToRoom(details.payload);
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});
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}
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Future<void> _noFcmWarning() async {
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if (context == null) {
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return;
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}
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if (await store.getItemBool(SettingKeys.showNoGoogle, true)) {
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await loadLocale();
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onFcmError?.call(PlatformInfos.isAndroid
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? l10n.noGoogleServicesWarning
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: l10n.oopsPushError);
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if (null == await store.getItem(SettingKeys.showNoGoogle)) {
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await store.setItemBool(SettingKeys.showNoGoogle, false);
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}
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}
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}
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Future<void> setupFirebase() async {
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Logs().v('Setup firebase');
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if (_fcmToken?.isEmpty ?? true) {
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try {
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_fcmToken = await _fcmSharedIsolate.getToken();
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} catch (e, s) {
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Logs().e('[Push] cannot get token', e, s);
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await _noFcmWarning();
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return;
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}
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}
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await setupPusher(
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gatewayUrl: AppConfig.pushNotificationsGatewayUrl,
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token: _fcmToken,
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);
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}
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Future<void> goToRoom(String roomId) async {
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try {
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Logs().v('[Push] Attempting to go to room $roomId...');
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if (router == null) {
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return;
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}
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router.currentState.push('/rooms/$roomId');
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} catch (e, s) {
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Logs().e('[Push] Failed to open room', e, s);
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}
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}
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bool _notificationsPluginSetUp = false;
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Future<void> setupLocalNotificationsPlugin() async {
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if (_notificationsPluginSetUp) {
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return;
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}
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// initialise the plugin. app_icon needs to be a added as a drawable resource to the Android head project
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final initializationSettingsAndroid =
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AndroidInitializationSettings('notifications_icon');
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final initializationSettingsIOS =
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IOSInitializationSettings(onDidReceiveLocalNotification: (i, a, b, c) {
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return null;
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});
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final initializationSettings = InitializationSettings(
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android: initializationSettingsAndroid,
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iOS: initializationSettingsIOS,
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);
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await _flutterLocalNotificationsPlugin.initialize(initializationSettings,
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onSelectNotification: goToRoom);
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_notificationsPluginSetUp = true;
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}
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Future<void> setupUp() async {
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if (!(await store.getItemBool(SettingKeys.unifiedPushRegistered, false))) {
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Logs().i('[Push] UnifiedPush not registered, attempting to do so...');
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await UnifiedPush.registerAppWithDialog();
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} else {
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// make sure the endpoint is up-to-date etc.
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await _newUpEndpoint(
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await store.getItem(SettingKeys.unifiedPushEndpoint));
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}
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// re-register the app without a dialog. This should be safe,
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// and allows recovering from app deletion in gotify, for instance
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Logs().i('[Push] UnifiedPush registration found, re-registering');
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await UnifiedPush.registerApp();
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}
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Future<void> _onFcmMessage(Map<dynamic, dynamic> message) async {
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Logs().v('[Push] Foreground message received');
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Map<String, dynamic> data;
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try {
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data = Map<String, dynamic>.from(message['data'] ?? message);
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await _onMessage(data);
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} catch (e, s) {
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Logs().e('[Push] Error while processing notification', e, s);
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await _showDefaultNotification(data);
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}
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}
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Future<void> _newUpEndpoint(String newEndpoint) async {
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if (newEndpoint?.isEmpty ?? true) {
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await _upUnregistered();
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return;
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}
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var endpoint =
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'https://matrix.gateway.unifiedpush.org/_matrix/push/v1/notify';
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try {
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final url = Uri.parse(newEndpoint)
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.replace(
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path: '/_matrix/push/v1/notify',
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query: '',
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)
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.toString()
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.split('?')
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.first;
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final res =
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json.decode(utf8.decode((await http.get(Uri.parse(url))).bodyBytes));
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if (res['gateway'] == 'matrix') {
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endpoint = url;
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}
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} catch (e) {
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Logs().i(
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'[Push] No self-hosted unified push gateway present: ' + newEndpoint);
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}
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Logs().i('[Push] UnifiedPush using endpoint ' + endpoint);
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final oldTokens = <String>{};
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try {
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final fcmToken = await _fcmSharedIsolate.getToken();
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oldTokens.add(fcmToken);
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} catch (_) {}
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await setupPusher(
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gatewayUrl: endpoint,
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token: newEndpoint,
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oldTokens: oldTokens,
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useDeviceSpecificAppId: true,
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);
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await store.setItem(SettingKeys.unifiedPushEndpoint, newEndpoint);
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await store.setItemBool(SettingKeys.unifiedPushRegistered, true);
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}
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Future<void> _upUnregistered() async {
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Logs().i('[Push] Removing UnifiedPush endpoint...');
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final oldEndpoint = await store.getItem(SettingKeys.unifiedPushEndpoint);
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await store.setItemBool(SettingKeys.unifiedPushRegistered, false);
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await store.deleteItem(SettingKeys.unifiedPushEndpoint);
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if (oldEndpoint?.isNotEmpty ?? false) {
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// remove the old pusher
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await setupPusher(
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oldTokens: {oldEndpoint},
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);
|
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}
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}
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Future<void> _onUpMessage(String message) async {
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Map<String, dynamic> data;
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try {
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data = Map<String, dynamic>.from(json.decode(message)['notification']);
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await _onMessage(data);
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} catch (e, s) {
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Logs().e('[Push] Error while processing notification', e, s);
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await _showDefaultNotification(data);
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}
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}
|
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Future<void> _onMessage(Map<String, dynamic> data) async {
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Logs().v('[Push] _onMessage');
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lastReceivedPush = DateTime.now();
|
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final roomId = data['room_id'];
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final eventId = data['event_id'];
|
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if (roomId == 'test') {
|
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Logs().v('[Push] Test $eventId was successful!');
|
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pendingTests.remove(eventId)?.complete();
|
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return;
|
||
}
|
||
final unread = ((data['counts'] is String
|
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? json.decode(data.tryGet<String>('counts', '{}'))
|
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: data.tryGet<Map<String, dynamic>>(
|
||
'counts', <String, dynamic>{})) as Map<String, dynamic>)
|
||
.tryGet<int>('unread');
|
||
if ((roomId?.isEmpty ?? true) ||
|
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(eventId?.isEmpty ?? true) ||
|
||
unread == 0) {
|
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await _onClearingPush();
|
||
return;
|
||
}
|
||
var giveUp = false;
|
||
var loaded = false;
|
||
final stopwatch = Stopwatch();
|
||
stopwatch.start();
|
||
final syncSubscription = client.onSync.stream.listen((r) {
|
||
if (stopwatch.elapsed.inSeconds >= 30) {
|
||
giveUp = true;
|
||
}
|
||
});
|
||
final eventSubscription = client.onEvent.stream.listen((e) {
|
||
if (e.content['event_id'] == eventId) {
|
||
loaded = true;
|
||
}
|
||
});
|
||
try {
|
||
if (!(await eventExists(roomId, eventId)) && !loaded) {
|
||
do {
|
||
Logs().v('[Push] getting ' + roomId + ', event ' + eventId);
|
||
await client
|
||
.oneShotSync()
|
||
.catchError((e) => Logs().v('[Push] Error one-shot syncing', e));
|
||
if (stopwatch.elapsed.inSeconds >= 60) {
|
||
giveUp = true;
|
||
}
|
||
} while (!loaded && !giveUp);
|
||
}
|
||
Logs().v('[Push] ' +
|
||
(giveUp ? 'gave up on ' : 'got ') +
|
||
roomId +
|
||
', event ' +
|
||
eventId);
|
||
} finally {
|
||
await syncSubscription.cancel();
|
||
await eventSubscription.cancel();
|
||
}
|
||
await _showNotification(roomId, eventId);
|
||
}
|
||
|
||
Future<bool> eventExists(String roomId, String eventId) async {
|
||
final room = client.getRoomById(roomId);
|
||
if (room == null) return false;
|
||
return (await client.database.getEventById(client.id, eventId, room)) !=
|
||
null;
|
||
}
|
||
|
||
/// Workaround for the problem that local notification IDs must be int but we
|
||
/// sort by [roomId] which is a String. To make sure that we don't have duplicated
|
||
/// IDs we map the [roomId] to a number and store this number.
|
||
Map<String, int> idMap;
|
||
Future<void> _loadIdMap() async {
|
||
idMap ??= Map<String, int>.from(json.decode(
|
||
(await store.getItem(SettingKeys.notificationCurrentIds)) ?? '{}'));
|
||
}
|
||
|
||
Future<int> mapRoomIdToInt(String roomId) async {
|
||
await _loadIdMap();
|
||
int currentInt;
|
||
try {
|
||
currentInt = idMap[roomId];
|
||
} catch (_) {
|
||
currentInt = null;
|
||
}
|
||
if (currentInt != null) {
|
||
return currentInt;
|
||
}
|
||
currentInt = 0;
|
||
while (idMap.values.contains(currentInt)) {
|
||
currentInt++;
|
||
}
|
||
idMap[roomId] = currentInt;
|
||
await store.setItem(SettingKeys.notificationCurrentIds, json.encode(idMap));
|
||
return currentInt;
|
||
}
|
||
|
||
bool _clearingPushLock = false;
|
||
Future<void> _onClearingPush({bool getFromServer = true}) async {
|
||
if (_clearingPushLock) {
|
||
return;
|
||
}
|
||
try {
|
||
_clearingPushLock = true;
|
||
Iterable<String> emptyRooms;
|
||
if (getFromServer) {
|
||
Logs().v('[Push] Got new clearing push');
|
||
var syncErrored = false;
|
||
if (client.syncPending) {
|
||
Logs().v('[Push] waiting for existing sync');
|
||
// we need to catchError here as the Future might be in a different execution zone
|
||
await client.oneShotSync().catchError((e) {
|
||
syncErrored = true;
|
||
Logs().v('[Push] Error one-shot syncing', e);
|
||
});
|
||
}
|
||
if (!syncErrored) {
|
||
Logs().v('[Push] single oneShotSync');
|
||
// we need to catchError here as the Future might be in a different execution zone
|
||
await client.oneShotSync().catchError((e) {
|
||
syncErrored = true;
|
||
Logs().v('[Push] Error one-shot syncing', e);
|
||
});
|
||
if (!syncErrored) {
|
||
emptyRooms = client.rooms
|
||
.where((r) => r.notificationCount == 0)
|
||
.map((r) => r.id);
|
||
}
|
||
}
|
||
if (syncErrored) {
|
||
try {
|
||
Logs().v(
|
||
'[Push] failed to sync for fallback push, fetching notifications endpoint...');
|
||
final notifications = await client.getNotifications(limit: 20);
|
||
final notificationRooms =
|
||
notifications.notifications.map((n) => n.roomId).toSet();
|
||
emptyRooms = client.rooms
|
||
.where((r) => !notificationRooms.contains(r.id))
|
||
.map((r) => r.id);
|
||
} catch (e) {
|
||
Logs().v(
|
||
'[Push] failed to fetch pending notifications for clearing push, falling back...',
|
||
e);
|
||
emptyRooms = client.rooms
|
||
.where((r) => r.notificationCount == 0)
|
||
.map((r) => r.id);
|
||
}
|
||
}
|
||
} else {
|
||
emptyRooms = client.rooms
|
||
.where((r) => r.notificationCount == 0)
|
||
.map((r) => r.id);
|
||
}
|
||
await _loadIdMap();
|
||
var changed = false;
|
||
for (final roomId in emptyRooms) {
|
||
if (idMap[roomId] != null) {
|
||
final id = idMap[roomId];
|
||
idMap.remove(roomId);
|
||
changed = true;
|
||
await _flutterLocalNotificationsPlugin?.cancel(id);
|
||
}
|
||
}
|
||
if (changed) {
|
||
await store.setItem(
|
||
SettingKeys.notificationCurrentIds, json.encode(idMap));
|
||
}
|
||
} finally {
|
||
_clearingPushLock = false;
|
||
}
|
||
}
|
||
|
||
Future<void> _showNotification(String roomId, String eventId) async {
|
||
await setupLocalNotificationsPlugin();
|
||
final room = client.getRoomById(roomId);
|
||
if (room == null) {
|
||
throw 'Room not found';
|
||
}
|
||
await room.postLoad();
|
||
final event = await client.database.getEventById(client.id, eventId, room);
|
||
|
||
if (((client.activeRoomId?.isNotEmpty ?? false) &&
|
||
client.activeRoomId == room.id &&
|
||
client.syncPresence == null) ||
|
||
(event != null && room.notificationCount == 0)) {
|
||
return;
|
||
}
|
||
|
||
// load the locale
|
||
await loadLocale();
|
||
|
||
// Count all unread events
|
||
var unreadEvents = 0;
|
||
client.rooms.forEach((Room room) => unreadEvents += room.notificationCount);
|
||
|
||
// Calculate title
|
||
final title = l10n.unreadMessages(room.notificationCount.toString());
|
||
|
||
// Calculate the body
|
||
final body = event?.getLocalizedBody(
|
||
MatrixLocals(l10n),
|
||
withSenderNamePrefix: true,
|
||
hideReply: true,
|
||
) ??
|
||
l10n.openAppToReadMessages;
|
||
|
||
// The person object for the android message style notification
|
||
final avatar = room.avatar == null
|
||
? null
|
||
: await downloadAndSaveAvatar(
|
||
room.avatar,
|
||
client,
|
||
width: 126,
|
||
height: 126,
|
||
);
|
||
final person = Person(
|
||
name: room.getLocalizedDisplayname(MatrixLocals(l10n)),
|
||
icon: avatar == null ? null : BitmapFilePathAndroidIcon(avatar),
|
||
);
|
||
|
||
// Show notification
|
||
final androidPlatformChannelSpecifics = _getAndroidNotificationDetails(
|
||
styleInformation: MessagingStyleInformation(
|
||
person,
|
||
conversationTitle: title,
|
||
messages: [
|
||
Message(
|
||
body,
|
||
event?.originServerTs ?? DateTime.now(),
|
||
person,
|
||
)
|
||
],
|
||
),
|
||
ticker: l10n.newMessageInFluffyChat,
|
||
);
|
||
final iOSPlatformChannelSpecifics = IOSNotificationDetails();
|
||
final platformChannelSpecifics = NotificationDetails(
|
||
android: androidPlatformChannelSpecifics,
|
||
iOS: iOSPlatformChannelSpecifics,
|
||
);
|
||
await _flutterLocalNotificationsPlugin.show(
|
||
await mapRoomIdToInt(room.id),
|
||
room.getLocalizedDisplayname(MatrixLocals(l10n)),
|
||
body,
|
||
platformChannelSpecifics,
|
||
payload: roomId,
|
||
);
|
||
}
|
||
|
||
Future<dynamic> _showDefaultNotification(Map<String, dynamic> data) async {
|
||
try {
|
||
await setupLocalNotificationsPlugin();
|
||
|
||
await loadLocale();
|
||
final String eventId = data['event_id'];
|
||
final String roomId = data['room_id'];
|
||
final unread = ((data['counts'] is String
|
||
? json.decode(data.tryGet<String>('counts', '{}'))
|
||
: data.tryGet<Map<String, dynamic>>(
|
||
'counts', <String, dynamic>{})) as Map<String, dynamic>)
|
||
.tryGet<int>('unread', 1);
|
||
if (unread == 0 || roomId == null || eventId == null) {
|
||
await _onClearingPush();
|
||
return;
|
||
}
|
||
|
||
// Display notification
|
||
final androidPlatformChannelSpecifics = _getAndroidNotificationDetails();
|
||
final iOSPlatformChannelSpecifics = IOSNotificationDetails();
|
||
final platformChannelSpecifics = NotificationDetails(
|
||
android: androidPlatformChannelSpecifics,
|
||
iOS: iOSPlatformChannelSpecifics,
|
||
);
|
||
final title = l10n.unreadChats(unread.toString());
|
||
await _flutterLocalNotificationsPlugin.show(
|
||
await mapRoomIdToInt(roomId),
|
||
title,
|
||
l10n.openAppToReadMessages,
|
||
platformChannelSpecifics,
|
||
payload: roomId,
|
||
);
|
||
} catch (e, s) {
|
||
Logs().e('[Push] Error while processing background notification', e, s);
|
||
}
|
||
}
|
||
|
||
Future<String> downloadAndSaveAvatar(Uri content, Client client,
|
||
{int width, int height}) async {
|
||
final thumbnail = width == null && height == null ? false : true;
|
||
final tempDirectory = (await getTemporaryDirectory()).path;
|
||
final prefix = thumbnail ? 'thumbnail' : '';
|
||
final file =
|
||
File('$tempDirectory/${prefix}_${content.toString().split("/").last}');
|
||
|
||
if (!file.existsSync()) {
|
||
final url = thumbnail
|
||
? content.getThumbnail(client, width: width, height: height)
|
||
: content.getDownloadLink(client);
|
||
final request = await HttpClient().getUrl(url);
|
||
final response = await request.close();
|
||
if (response.statusCode >= 300) {
|
||
// we are not in the 2xx range
|
||
return null;
|
||
}
|
||
final bytes = await consolidateHttpClientResponseBytes(response);
|
||
await file.writeAsBytes(bytes);
|
||
}
|
||
|
||
return file.path;
|
||
}
|
||
|
||
AndroidNotificationDetails _getAndroidNotificationDetails(
|
||
{MessagingStyleInformation styleInformation, String ticker}) {
|
||
final color = (context != null ? Theme.of(context).primaryColor : null) ??
|
||
Color(0xFF5625BA);
|
||
|
||
return AndroidNotificationDetails(
|
||
AppConfig.pushNotificationsChannelId,
|
||
AppConfig.pushNotificationsChannelName,
|
||
AppConfig.pushNotificationsChannelDescription,
|
||
styleInformation: styleInformation,
|
||
importance: Importance.max,
|
||
priority: Priority.high,
|
||
ticker: ticker,
|
||
color: color,
|
||
);
|
||
}
|
||
}
|