Files
MrbWebLibre/packages/flutter_tor/example/lib/main.dart
T

476 lines
15 KiB
Dart

// ignore_for_file: avoid_print, deprecated_member_use
import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_tor/flutter_tor.dart';
import 'package:socks5_proxy/socks_client.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Tor Example',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
useMaterial3: true,
),
home: const TorDemoPage(),
);
}
}
class TorDemoPage extends StatefulWidget {
const TorDemoPage({super.key});
@override
State<TorDemoPage> createState() => _TorDemoPageState();
}
class _TorDemoPageState extends State<TorDemoPage> {
final _tor = FlutterTor();
final _logs = <TorLogMessage>[];
TransportType _selectedTransport = TransportType.none;
int? _socksPort;
int _bootstrapProgress = 0;
bool _isRunning = false;
String _entryCountries = '';
String _exitCountries = '';
bool _strictNodes = false;
final _bridgeLinesController = TextEditingController();
// IP test state
String? _currentIp;
bool _isTestingIp = false;
@override
void initState() {
super.initState();
// Listen to logs
_tor.logStream.listen((log) {
setState(() {
_logs.add(log);
if (_logs.length > 100) {
_logs.removeAt(0);
}
});
});
// Listen to status changes
_tor.statusStream.listen((status) {
print(
'DEBUG statusStream: isRunning=${status.isRunning}, socksPort=${status.socksPort}, bootstrap=${status.bootstrapProgress}',
);
setState(() {
_isRunning = status.isRunning;
final newPort = status.socksPort;
if (newPort != _socksPort) {
print('DEBUG: Port changed from $_socksPort to $newPort');
}
_socksPort = newPort;
_bootstrapProgress = status.bootstrapProgress;
});
});
// Listen to bootstrap progress
_tor.bootstrapProgressStream.listen((progress) {
setState(() {
_bootstrapProgress = progress;
});
});
}
Future<void> _startTor() async {
try {
final bridgeLines = _bridgeLinesController.text
.split('\n')
.where((line) => line.trim().isNotEmpty)
.toList();
final config = TorConfiguration(
transport: _selectedTransport,
bridgeLines: bridgeLines,
entryNodeCountries: _entryCountries.isEmpty ? null : _entryCountries,
exitNodeCountries: _exitCountries.isEmpty ? null : _exitCountries,
strictNodes: _strictNodes,
);
final socksPort = await _tor.start(config);
print('DEBUG startTor result: socksPort=$socksPort');
setState(() {
_socksPort = socksPort;
print('DEBUG: Set _socksPort to $_socksPort from start result');
});
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Tor started on port $socksPort')),
);
}
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Failed to start Tor: $e'),
backgroundColor: Colors.red,
),
);
}
}
}
Future<void> _stopTor() async {
try {
await _tor.stop();
setState(() {
_socksPort = null;
_bootstrapProgress = 0;
});
if (mounted) {
ScaffoldMessenger.of(
context,
).showSnackBar(const SnackBar(content: Text('Tor stopped')));
}
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Failed to stop Tor: $e'),
backgroundColor: Colors.red,
),
);
}
}
}
Future<void> _requestNewIdentity() async {
try {
await _tor.requestNewIdentity();
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Requested new Tor identity')),
);
}
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Failed to request new identity: $e'),
backgroundColor: Colors.red,
),
);
}
}
}
Future<void> _testIpAddress() async {
if (_socksPort == null) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Tor is not running. Start Tor first.'),
backgroundColor: Colors.orange,
),
);
}
return;
}
setState(() {
_isTestingIp = true;
_currentIp = null;
});
// Debug: Show which port we're using
print('DEBUG: _testIpAddress called');
print('DEBUG: Current _socksPort value: $_socksPort');
print('DEBUG: Attempting to connect to SOCKS5 proxy on port $_socksPort');
try {
final portToUse = _socksPort!;
print('DEBUG: About to connect via SOCKS5 proxy at 127.0.0.1:$portToUse');
// Create HttpClient object
final client = HttpClient();
// Assign connection factory
SocksTCPClient.assignToHttpClient(client, [
ProxySettings(InternetAddress.loopbackIPv4, portToUse),
]);
// Connect to ifconfig.me through the SOCKS5 proxy
_currentIp = await client
.getUrl(Uri.parse('https://icanhazip.com/'))
.then((x) => x.close())
.then((x) => utf8.decodeStream(x));
print('DEBUG: Connected to ifconfig.me through SOCKS5 proxy');
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Your Tor IP: $_currentIp'),
backgroundColor: Colors.green,
duration: const Duration(seconds: 5),
),
);
}
} catch (e) {
print('DEBUG: Error: $e');
setState(() {
_currentIp = 'Error: $e';
});
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Failed to fetch IP: $e'),
backgroundColor: Colors.red,
duration: const Duration(seconds: 5),
),
);
}
} finally {
setState(() {
_isTestingIp = false;
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Flutter Tor Example'),
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
),
body: Column(
children: [
// Status Card
Card(
margin: const EdgeInsets.all(8),
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Status: ${_isRunning ? 'Running' : 'Stopped'}',
style: Theme.of(context).textTheme.titleMedium,
),
if (_socksPort != null) Text('SOCKS Port: $_socksPort'),
const SizedBox(height: 8),
LinearProgressIndicator(value: _bootstrapProgress / 100),
Text('Bootstrap: $_bootstrapProgress%'),
],
),
),
),
// Configuration
Expanded(
child: SingleChildScrollView(
padding: const EdgeInsets.all(8),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
DropdownButtonFormField<TransportType>(
value: _selectedTransport,
decoration: const InputDecoration(
labelText: 'Transport Type',
),
items: TransportType.values.map((transport) {
return DropdownMenuItem(
value: transport,
child: Text(transport.name),
);
}).toList(),
onChanged: (value) {
setState(() {
_selectedTransport = value!;
});
},
),
const SizedBox(height: 8),
TextField(
controller: _bridgeLinesController,
decoration: const InputDecoration(
labelText: 'Bridge Lines (one per line)',
border: OutlineInputBorder(),
),
maxLines: 3,
),
const SizedBox(height: 8),
TextField(
decoration: const InputDecoration(
labelText: 'Entry Countries (e.g., de,fr,nl)',
),
onChanged: (value) => _entryCountries = value,
),
TextField(
decoration: const InputDecoration(
labelText: 'Exit Countries (e.g., ch,is,se)',
),
onChanged: (value) => _exitCountries = value,
),
CheckboxListTile(
title: const Text('Strict Nodes'),
value: _strictNodes,
onChanged: (value) {
setState(() {
_strictNodes = value ?? false;
});
},
),
const SizedBox(height: 16),
Row(
children: [
Expanded(
child: ElevatedButton.icon(
onPressed: _isRunning ? null : _startTor,
icon: const Icon(Icons.play_arrow),
label: const Text('Start Tor'),
),
),
const SizedBox(width: 8),
Expanded(
child: ElevatedButton.icon(
onPressed: _isRunning ? _stopTor : null,
icon: const Icon(Icons.stop),
label: const Text('Stop Tor'),
),
),
],
),
if (_isRunning) ...[
const SizedBox(height: 8),
ElevatedButton.icon(
onPressed: _requestNewIdentity,
icon: const Icon(Icons.refresh),
label: const Text('New Identity'),
),
const SizedBox(height: 8),
ElevatedButton.icon(
onPressed: _isTestingIp ? null : _testIpAddress,
icon: _isTestingIp
? const SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator(strokeWidth: 2),
)
: const Icon(Icons.public),
label: Text(
_isTestingIp ? 'Testing...' : 'Test IP Address',
),
style: ElevatedButton.styleFrom(
backgroundColor: Colors.blue,
foregroundColor: Colors.white,
),
),
if (_currentIp != null) ...[
const SizedBox(height: 8),
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: _currentIp!.startsWith('Error')
? Colors.red.shade100
: Colors.green.shade100,
borderRadius: BorderRadius.circular(8),
border: Border.all(
color: _currentIp!.startsWith('Error')
? Colors.red
: Colors.green,
),
),
child: Row(
children: [
Icon(
_currentIp!.startsWith('Error')
? Icons.error_outline
: Icons.check_circle_outline,
color: _currentIp!.startsWith('Error')
? Colors.red
: Colors.green,
),
const SizedBox(width: 8),
Expanded(
child: Text(
_currentIp!.startsWith('Error')
? _currentIp!
: 'Your Tor IP: $_currentIp',
style: TextStyle(
fontWeight: FontWeight.bold,
color: _currentIp!.startsWith('Error')
? Colors.red.shade900
: Colors.green.shade900,
),
),
),
],
),
),
],
],
const SizedBox(height: 16),
const Divider(),
Text('Logs:', style: Theme.of(context).textTheme.titleMedium),
const SizedBox(height: 8),
Container(
height: 200,
decoration: BoxDecoration(
border: Border.all(color: Colors.grey),
borderRadius: BorderRadius.circular(4),
),
child: ListView.builder(
itemCount: _logs.length,
itemBuilder: (context, index) {
final log = _logs[index];
Color color;
switch (log.severity) {
case 'ERR':
color = Colors.red;
case 'WARN':
color = Colors.orange;
case 'NOTICE':
color = Colors.blue;
default:
color = Colors.black;
}
return Padding(
padding: const EdgeInsets.symmetric(
horizontal: 8,
vertical: 2,
),
child: Text(
'[${log.severity}] ${log.message}',
style: TextStyle(
color: color,
fontSize: 12,
fontFamily: 'monospace',
),
),
);
},
),
),
],
),
),
),
],
),
);
}
}