public TcpClient TcpHandler(string address, int port) { var proxy = Properties.Settings.Default.ProxyInUse.Split(';'); if (proxy[0] == "Socks5") { Socks5ProxyClient SocksProxyClient; if (proxy[3] == "") { SocksProxyClient = new Socks5ProxyClient(proxy[1], Int32.Parse(proxy[2])); } else { SocksProxyClient = new Socks5ProxyClient(proxy[1], Int32.Parse(proxy[2]), proxy[3], proxy[4]); } try { TcpClient client = SocksProxyClient.CreateConnection(address, port); return(client); } catch { return(null); } } else { HttpProxyClient webProxyClient; if (proxy[3] == "") { webProxyClient = new HttpProxyClient(proxy[1], Int32.Parse(proxy[2])); } else { webProxyClient = new HttpProxyClient(proxy[1], Int32.Parse(proxy[2]), proxy[3], proxy[4]); } try { TcpClient client = webProxyClient.CreateConnection(address, port); return(client); } catch { return(null); } } }
private TcpClient TestTcpHandler(string address, int port) { var proxy = testproxy.Split(';'); if (proxy[0] == "Socks5") { Socks5ProxyClient SocksProxyClient; if (proxy[3] == "") { SocksProxyClient = new Socks5ProxyClient(proxy[1], Int32.Parse(proxy[2])); } else { SocksProxyClient = new Socks5ProxyClient(proxy[1], Int32.Parse(proxy[2]), proxy[3], proxy[4]); } try { TcpClient client = SocksProxyClient.CreateConnection(address, port); return(client); } catch { return(null); } } else { HttpProxyClient webProxyClient; if (proxy[3] == "") { webProxyClient = new HttpProxyClient(proxy[1], Int32.Parse(proxy[2])); } else { webProxyClient = new HttpProxyClient(proxy[1], Int32.Parse(proxy[2]), proxy[3], proxy[4]); } try { TcpClient client = webProxyClient.CreateConnection(address, port); return(client); } catch { return(null); } } }
/// <summary> /// Method to create a proxy client /// </summary> /// <param name="logger">The logger to use</param> /// <returns>The new proxy client</returns> public override ProxyClient Create(Utils.Logger logger) { ProxyClient ret = new IpProxyClient(); try { RegistryKey settings = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings"); int enabled = (int)settings.GetValue("ProxyEnable", 0); if (enabled != 0) { string autoConfigUrl = settings.GetValue("AutoConfigURL") as string; if (autoConfigUrl != null) { Uri autoConfigUri = new Uri(autoConfigUrl, UriKind.Absolute); if ((_scriptFactory == null) || (!_scriptFactory.ScriptUri.Equals(autoConfigUri))) { using (WebClient client = new WebClient()) { client.Proxy = null; string scriptData = client.DownloadString(autoConfigUrl); logger.LogVerbose("Received auto config script from {0}", autoConfigUrl); logger.LogVerbose(scriptData); _scriptFactory = new ScriptProxyClientFactory(); _scriptFactory.ScriptUri = autoConfigUri; _scriptFactory.Script = scriptData; } } ret = _scriptFactory.Create(logger); } else { string proxyServer = settings.GetValue("ProxyServer") as string; if (proxyServer != null) { string[] servers = proxyServer.ToLower().Split(new[] { ' ', ';' }, StringSplitOptions.RemoveEmptyEntries); string currServer = null; bool socks = false; // Take socks in preference, otherwise accept HTTP or default foreach (string server in servers) { if (server.Contains('=')) { if (server.StartsWith("socks=")) { currServer = server.Substring(6).Trim(); logger.LogVerbose("Found system SOCKS server {0}", currServer); socks = true; break; } else if (server.StartsWith("http=")) { currServer = server.Substring(5).Trim(); logger.LogVerbose("Found system HTTP proxy {0}", currServer); } } else { currServer = server.Trim(); logger.LogVerbose("Found default HTTP proxy {0}", currServer); } } if (currServer != null) { string host = null; int port = 0; if (currServer.Contains("/")) { if (Uri.IsWellFormedUriString(currServer, UriKind.Absolute)) { Uri uri = new Uri(currServer); host = uri.Host; port = uri.Port; } } else { string[] values = currServer.Split(':'); if (values.Length == 2) { host = values[0].Trim(); int.TryParse(values[1].Trim(), out port); } } if (String.IsNullOrWhiteSpace(host) || (port <= 0) || (port > 65535)) { logger.LogError("Invalid system proxy string {0}", currServer); } else { if (socks) { ret = new SocksProxyClient(host, port, false, SocksProxyClient.SupportedVersion.Version4, false); } else { ret = new HttpProxyClient(host, port, false); } } } } } } } catch (SecurityException) { } catch (UnauthorizedAccessException) { } catch (WebException ex) { logger.LogException(ex); } return(ret); }