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MrbWebLibre/app/lib/features/tor/utils/tor_entrypoint.dart
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2025-07-25 23:44:40 +02:00

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Dart

/*
* Copyright (c) 2024-2025 Fabian Freund.
*
* This file is part of WebLibre
* (see https://weblibre.eu).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import 'dart:async';
import 'package:flutter_background_service/flutter_background_service.dart';
import 'package:tor/tor.dart';
@pragma('vm:entry-point')
Future<void> onStart(ServiceInstance service) async {
Timer? timeout;
await Tor.init();
final portSub = Tor.instance.events.stream.listen((port) {
service.invoke('portUpdate', {'port': port});
});
Future<void> stopService() async {
timeout?.cancel();
timeout = null;
Tor.instance.stop();
service.invoke('portUpdate', {'port': -1});
await portSub.cancel();
await service.stopSelf();
}
void addHeartbeat() {
timeout?.cancel();
timeout = Timer(const Duration(minutes: 15), () async {
// logger.i('Terminating tor due to timeout');
await stopService();
});
}
await Tor.instance.start();
service.on("heartbeat").listen((event) {
// logger.d('Received tor heartbeat');
addHeartbeat();
});
service.on("sync").listen((event) {
service.invoke('portUpdate', {'port': Tor.instance.port});
});
service.on("stop").listen((event) async {
await stopService();
});
}