public bool IsProxyAlive(SocksProxy.Proxy proxy, int timeout = 1000)
{
try
{
Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IAsyncResult result = clientSocket.BeginConnect(proxy.ip, proxy.port, null, null);
result.AsyncWaitHandle.WaitOne(timeout, true);
clientSocket.ReceiveTimeout = timeout;
clientSocket.SendTimeout = timeout;
if (clientSocket.Connected)
{
if (proxy.proxyType == SocksProxy.ProxyType.SOCKS5)
{
// socks5, no authentication required
byte[] handshake = { 5, 1, 0 };
byte[] buffer = new byte[32];
clientSocket.Send(handshake);
clientSocket.Receive(buffer);
if (buffer[0] == 5 && buffer[1] == 0)
{
clientSocket.Close();
return(true);
}
}
else
{
if (google == null)
{
google = Dns.GetHostEntry("www.google.com");
}
//SOCKS4
byte[] handshake = { 4, 1, 0, 80, 0, 0, 0, 0, (byte)'C', (byte)'H', (byte)'A', (byte)'T', (byte)'A', (byte)'N', (byte)'G', (byte)'O', 0 };
int _ip = BitConverter.ToInt32(google.AddressList[0].GetAddressBytes(), 0);
byte[] ip = BitConverter.GetBytes(_ip);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(ip);
}
handshake[4] = ip[0];
handshake[5] = ip[1];
handshake[6] = ip[2];
handshake[7] = ip[3];
clientSocket.Send(handshake);
byte[] buffer = new byte[32];
clientSocket.Receive(buffer);
if (buffer[0] == 4 && buffer[1] == 0x5A)
{
clientSocket.Close();
return(true);
}
}
}
clientSocket.Close();
}
catch (Exception)
{
}
return(false);
}
public Post(string _host, SocksProxy.Proxy _proxy, onCompletion _onCompletionCallback)
: base(_proxy)
{
host = _host;
onCompletionCallback = _onCompletionCallback;
// internal
onReceiveCallback = myOnReceiveCallback;
onConnectCallback = myOnConnectCallback;
onCloseCallback = myOnCloseCallback;
}
public ChatangoAccount(string username, string password, SocksProxy.Proxy proxy)
{
this.proxy = proxy;
// assume the account exists
this.exists = true;
this.username = username;
this.password = password;
if (username == null)
{
this.password = GeneratePassword();
this.username = GenerateUsername();
this.exists = false;
}
}
public ChatangoAccount(string username, string password, SocksProxy.Proxy proxy)
{
this.proxy = proxy;
// assume the account exists
this.exists = true;
this.username = username;
this.password = password;
if (username == null)
{
this.password = GeneratePassword();
this.username = GenerateUsername();
this.exists = false;
}
}
public Proxy(SocksProxy.Proxy _proxy)
{
proxy = _proxy;
isConnected = false;
}
