ilkertestwg 0.1.3

Wireguard Flutter SDK

example/lib/main.dart

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:wireguard_flutter/wireguard_flutter.dart';

void main() {
  runApp(
    MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('WireGuard Example App'),
        ),
        body: const MyApp(),
      ),
    ),
  );
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final wireguard = WireGuardFlutter.instance;
  final WireguardService _wireguardService = WireguardService();
  String _downloadCount = 'N/A';
  String _uploadCount = 'N/A';
  late String name;

  @override
  void initState() {
    super.initState();
    _getWireGuardDataCounts();
    wireguard.vpnStageSnapshot.listen((event) {
      debugPrint("status changed $event");
      if (mounted) {
        ScaffoldMessenger.of(context).clearSnackBars();
        ScaffoldMessenger.of(context).showSnackBar(SnackBar(
          content: Text('status changed: $event'),
        ));
      }
    });
    name = 'my_wg_vpn';
  }

  Future<void> initialize() async {
    try {
      await wireguard.initialize(interfaceName: name);
      debugPrint("initialize success $name");
    } catch (error, stack) {
      debugPrint("failed to initialize: $error\n$stack");
    }
  }

  void _getWireGuardDataCounts() async {
    try {
      final dataCounts = await _wireguardService.getDataCounts();
      setState(() {
        _downloadCount = dataCounts['download'].toString();
        _uploadCount = dataCounts['upload'].toString();
      });
    } catch (e) {
      print('Failed to get data counts: $e');
    }
  }

  void startVpn() async {
    try {
      await wireguard.startVpn(
        serverAddress: '167.235.55.239:51820',
        wgQuickConfig: conf,
        providerBundleIdentifier: 'com.billion.wireguardvpn.WGExtension',
      );
    } catch (error, stack) {
      debugPrint("failed to start $error\n$stack");
    }
  }

  void disconnect() async {
    try {
      await wireguard.stopVpn();
    } catch (e, str) {
      debugPrint('Failed to disconnect $e\n$str');
    }
  }

  void getStatus() async {
    debugPrint("getting stage");
    final stage = await wireguard.stage();
    debugPrint("stage: $stage");

    if (mounted) {
      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
        content: Text('stage: $stage'),
      ));
    }
  }

  @override
  Widget build(BuildContext context) {
    return Container(
      constraints: const BoxConstraints.expand(),
      padding: const EdgeInsets.all(16),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: [
          const SizedBox(height: 20),
          TextButton(
            onPressed: initialize,
            style: ButtonStyle(
                minimumSize: WidgetStateProperty.all<Size>(const Size(100, 50)),
                padding: WidgetStateProperty.all(
                    const EdgeInsets.fromLTRB(20, 15, 20, 15)),
                backgroundColor:
                    WidgetStateProperty.all<Color>(Colors.blueAccent),
                overlayColor: MaterialStateProperty.all<Color>(
                    Colors.white.withOpacity(0.1))),
            child: const Text(
              'initialize',
              style: TextStyle(color: Colors.white),
            ),
          ),
          const SizedBox(height: 20),
          TextButton(
            onPressed: startVpn,
            style: ButtonStyle(
                minimumSize:
                    MaterialStateProperty.all<Size>(const Size(100, 50)),
                padding: MaterialStateProperty.all(
                    const EdgeInsets.fromLTRB(20, 15, 20, 15)),
                backgroundColor:
                    MaterialStateProperty.all<Color>(Colors.blueAccent),
                overlayColor: MaterialStateProperty.all<Color>(
                    Colors.white.withOpacity(0.1))),
            child: const Text(
              'Connect',
              style: TextStyle(color: Colors.white),
            ),
          ),
          const SizedBox(height: 20),
          TextButton(
            onPressed: disconnect,
            style: ButtonStyle(
                minimumSize: WidgetStateProperty.all<Size>(const Size(100, 50)),
                padding: WidgetStateProperty.all(
                    const EdgeInsets.fromLTRB(20, 15, 20, 15)),
                backgroundColor:
                    WidgetStateProperty.all<Color>(Colors.blueAccent),
                overlayColor: WidgetStateProperty.all<Color>(
                    Colors.white.withOpacity(0.1))),
            child: const Text(
              'Disconnect',
              style: TextStyle(color: Colors.white),
            ),
          ),
          const SizedBox(height: 20),
          TextButton(
            onPressed: getStatus,
            style: ButtonStyle(
                minimumSize: WidgetStateProperty.all<Size>(const Size(100, 50)),
                padding: WidgetStateProperty.all(
                    const EdgeInsets.fromLTRB(20, 15, 20, 15)),
                backgroundColor:
                    WidgetStateProperty.all<Color>(Colors.blueAccent),
                overlayColor: WidgetStateProperty.all<Color>(
                    Colors.white.withOpacity(0.1))),
            child: const Text(
              'Get status',
              style: TextStyle(color: Colors.white),
            ),
          ),
          Column(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              Text('Download: $_downloadCount'),
              Text('Upload: $_uploadCount'),
              ElevatedButton(
                onPressed: _getWireGuardDataCounts,
                child: const Text('Refresh Data Counts'),
              ),
            ],
          )
        ],
      ),
    );
  }
}

const String conf = '''[Interface]
Address = 192.168.6.163/32
DNS = 1.1.1.1,8.8.8.8
PrivateKey = mBVsI8hk7a1JPJqXuVELOTnSSI2tL6Q4HamW5gxEgEk=
[Peer]
publickey=MKxF3963hjD/MLGSIcGRLaco/N5uDN/Dslt/k675Knc=
AllowedIPs = 0.0.0.0/0, ::/0
Endpoint = indo7.vpnjantit.com:1024
''';

class WireguardService {
  static const platform =
      MethodChannel('billion.group.wireguard_flutter/wgcontrol');

  Future<Map<String, int>> getDataCounts() async {
    try {
      final Map<dynamic, dynamic> result =
          await platform.invokeMethod('getDataCounts');
      return Map<String, int>.from(result);
    } catch (e) {
      throw 'Failed to get data counts: $e';
    }
  }
}