public override WebResponse GetResponse()
{
if (Proxy == null)
{
throw new InvalidOperationException("Proxy property cannot be null.");
}
if (String.IsNullOrEmpty(Method))
{
throw new InvalidOperationException("Method has not been set.");
}
if (RequestSubmitted)
{
return _response;
}
_response = InternalGetResponse();
RequestSubmitted = true;
return _response;
}
private SocksHttpWebResponse InternalGetResponse()
{
var response = new StringBuilder();
using (var _socksConnection =
new ProxySocket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
var proxyUri = Proxy.GetProxy(RequestUri);
var ipAddress = GetProxyIpAddress(proxyUri);
_socksConnection.ProxyEndPoint = new IPEndPoint(ipAddress, proxyUri.Port);
_socksConnection.ProxyType = ProxyTypes.Socks5;
// open connection
_socksConnection.Connect(RequestUri.Host, 80);
// send an HTTP request
_socksConnection.Send(_correctEncoding.GetBytes(RequestMessage));
// read the HTTP reply
var buffer = new byte[1024];
var bytesReceived = _socksConnection.Receive(buffer);
while (bytesReceived > 0)
{
string chunk = _correctEncoding.GetString(buffer, 0, bytesReceived);
string encString = EncodingHelper.GetEncodingFromChunk(chunk);
if (!string.IsNullOrEmpty(encString))
{
try
{
_correctEncoding = Encoding.GetEncoding(encString);
}
catch
{
//TODO: do something here
}
}
response.Append(chunk);
bytesReceived = _socksConnection.Receive(buffer);
}
}
SocksHttpWebResponse shwr= new SocksHttpWebResponse(response.ToString(),_correctEncoding);
string httpstatuscode= shwr.Headers.Get("status");
string Location= shwr.Headers.Get("Location");
if (httpstatuscode.IndexOf("303")>-1)
{
_requestUri = new Uri( Location);
RequestMessage = null;
_requestMessage = null;
shwr = InternalGetResponse();
}
return shwr;
}
