Naveax
0ab008b80b
Keep the ongoing VPN notification visible while marking its timer and speed content private so Android does not expose session metadata in public lock-screen previews.
96 lines
2.9 KiB
Dart
96 lines
2.9 KiB
Dart
import 'dart:io';
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import 'dart:ui' as ui;
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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class VpnNotificationManager {
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static final FlutterLocalNotificationsPlugin _plugin =
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FlutterLocalNotificationsPlugin();
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static bool _initialized = false;
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static String? _lastTimeLeft;
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static String? _lastSpeedKbps;
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// Android channels are immutable — bump this if settings change.
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static const _channelId = 'revolt_vpn_v4';
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static const _channelName = 'Revolt VPN';
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static const _notifId = 888;
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static Future<void> init() async {
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if (_initialized) return;
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const androidSettings =
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AndroidInitializationSettings('@drawable/notification_icon');
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const initSettings = InitializationSettings(android: androidSettings);
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await _plugin.initialize(initSettings);
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if (Platform.isAndroid) {
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final androidPlugin = _plugin
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.resolvePlatformSpecificImplementation<
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AndroidFlutterLocalNotificationsPlugin>();
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await androidPlugin?.requestNotificationsPermission();
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}
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_initialized = true;
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}
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static Future<void> showOrUpdateStatus({
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required String timeLeft,
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required String speedKbps,
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}) async {
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if (timeLeft == _lastTimeLeft && speedKbps == _lastSpeedKbps) return;
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_lastTimeLeft = timeLeft;
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_lastSpeedKbps = speedKbps;
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if (!_initialized) await init();
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final bodyText = 'Time: $timeLeft • $speedKbps';
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final bigPictureStyle = BigPictureStyleInformation(
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const DrawableResourceAndroidBitmap('notification_banner'),
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largeIcon: const DrawableResourceAndroidBitmap('notification_icon'),
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contentTitle: 'Revolt VPN',
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summaryText: bodyText,
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htmlFormatContentTitle: false,
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htmlFormatSummaryText: false,
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);
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final androidDetails = AndroidNotificationDetails(
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_channelId,
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_channelName,
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channelDescription: 'Session timer and speed',
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importance: Importance.low,
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priority: Priority.low,
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ongoing: true,
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autoCancel: false,
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playSound: false,
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enableVibration: false,
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showWhen: false,
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// Session time/speed is usage metadata. Keep it out of public lock-screen
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// previews while leaving the ongoing VPN status notification intact.
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visibility: NotificationVisibility.private,
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usesChronometer: false,
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category: AndroidNotificationCategory.service,
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colorized: true,
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color: const ui.Color(0xFF0D1117),
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styleInformation: bigPictureStyle,
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);
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final details = NotificationDetails(android: androidDetails);
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try {
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await _plugin.show(_notifId, _channelName, bodyText, details);
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} catch (e) {
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_initialized = false;
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try {
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await init();
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await _plugin.show(_notifId, _channelName, bodyText, details);
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} catch (_) {}
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}
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}
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static Future<void> cancel() async {
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if (!_initialized) return;
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await _plugin.cancel(_notifId);
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}
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}
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