feat(network): SOCKS5 and HTTP(S) proxy support

2026-04-09 14:48:31 +03:00
parent 1a37f29fd1
commit a3555ea579
11 changed files with 999 additions and 10 deletions
@@ -0,0 +1,77 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
+enum ProxyType { none, socks5, httpConnect }
+
+class ProxySettings {
+  final ProxyType type;
+  final String host;
+  final int port;
+  final String? username;
+  final String? password;
+
+  const ProxySettings({
+    this.type = ProxyType.none,
+    this.host = '',
+    this.port = 1080,
+    this.username,
+    this.password,
+  });
+
+  bool get isEnabled => type != ProxyType.none && host.isNotEmpty;
+
+  bool get hasCredentials =>
+      username != null &&
+      username!.isNotEmpty &&
+      password != null &&
+      password!.isNotEmpty;
+}
+
+abstract class ProxyConfig {
+  static const String _prefType = 'proxy_type';
+  static const String _prefHost = 'proxy_host';
+  static const String _prefPort = 'proxy_port';
+  static const String _prefUsername = 'proxy_username';
+  static const String _prefPassword = 'proxy_password';
+
+  static Future<ProxySettings> load() async {
+    final prefs = await SharedPreferences.getInstance();
+    final typeIndex = prefs.getInt(_prefType) ?? 0;
+    final host = prefs.getString(_prefHost) ?? '';
+    final port = prefs.getInt(_prefPort) ?? 1080;
+    final username = prefs.getString(_prefUsername);
+    final password = prefs.getString(_prefPassword);
+    return ProxySettings(
+      type: ProxyType.values[typeIndex.clamp(0, ProxyType.values.length - 1)],
+      host: host,
+      port: port,
+      username: username,
+      password: password,
+    );
+  }
+
+  static Future<void> save(ProxySettings settings) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setInt(_prefType, settings.type.index);
+    await prefs.setString(_prefHost, settings.host);
+    await prefs.setInt(_prefPort, settings.port);
+    if (settings.username != null) {
+      await prefs.setString(_prefUsername, settings.username!);
+    } else {
+      await prefs.remove(_prefUsername);
+    }
+    if (settings.password != null) {
+      await prefs.setString(_prefPassword, settings.password!);
+    } else {
+      await prefs.remove(_prefPassword);
+    }
+  }
+
+  static Future<void> clear() async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.remove(_prefType);
+    await prefs.remove(_prefHost);
+    await prefs.remove(_prefPort);
+    await prefs.remove(_prefUsername);
+    await prefs.remove(_prefPassword);
+  }
+}