private static void ConnectionEstablished(Stream stream, string method)
{
string sslConnectResponse = string.Format(SERVER_REPONSE.CONNECTION_ESTABLISHED,
method, System.Environment.NewLine + System.Environment.NewLine);
HttpStream.Write(stream, Encoding.UTF8.GetBytes(sslConnectResponse));
SslTcpServer._traceLogger.OutputLog(sslConnectResponse.Replace(System.Environment.NewLine, "\t"));
}
static public void Proxy(TcpClient serverSocket, IHttpEventListener listner)
{
Stream server = serverSocket.GetStream();
Stream client = null;
TcpClient clinetSocket = null;
bool bConnect = false;
string host = string.Empty;
bool bSSL = false;
while (true)
{
//-----------------------------------------
// Request.
// Clinet -> Proxy
//-----------------------------------------
HttpRequestObject request = null;
try
{
request = HttpStream.ReadRequest(server);
if (request == null)
{
break;
}
//-----------------------------------------
// SSL Handshake.
//-----------------------------------------
if (SslHandshake.IsSslConnection(request))
{
SslStreamSet sslset = SslHandshake.Handshake(clinetSocket, request, server);
server = sslset._serverStream;
client = sslset._clientStream;
bConnect = true;
bSSL = true;
continue;
}
//-----------------------------------------
// HTTP Conection.
//-----------------------------------------
else if (bSSL == false && (bConnect == false || host != request._header._host))
{
if (clinetSocket != null)
{
client.Close();
clinetSocket.Close();
}
clinetSocket = new TcpClient();
clinetSocket.Connect(request._header._host, request._header._port);
client = clinetSocket.GetStream();
bConnect = true;
}
//-----------------------------------------
// save host.
//-----------------------------------------
host = request._header._host;
//-----------------------------------------
// Observer.
//-----------------------------------------
if (listner != null)
{
request = listner.OnHttpRequestClient(request, server, client);
}
}catch (Exception ex) {
Close(serverSocket, clinetSocket, server, client);
throw ex;
}
//-----------------------------------------
// Modify Request.
// Proxy -> Server
//-----------------------------------------
try
{
HttpHeader.ModifyProxyRequest(request._header);
}catch (Exception ex) {
Close(serverSocket, clinetSocket, server, client);
throw ex;
}
//-----------------------------------------
// Request.
// Proxy -> Server
//-----------------------------------------
try
{
HttpStream.Write(request, client);
//-----------------------------------------
// Observer.
//-----------------------------------------
if (listner != null)
{
request = listner.OnHttpRequestServer(request, server, client);
}
}
catch (Exception ex)
{
Close(serverSocket, clinetSocket, server, client);
throw ex;
}
//-----------------------------------------
// Response.
// Proxy <- Server
//-----------------------------------------
HttpResponseObject response = null;
try
{
response = HttpStream.ReadResponse(client);
if (response == null)
{
break;
}
//-----------------------------------------
// Observer.
//-----------------------------------------
if (listner != null)
{
response = listner.OnHttpResponseClient(response, server, client);
}
}
catch (Exception ex)
{
Close(serverSocket, clinetSocket, server, client);
throw ex;
}
//-----------------------------------------
// Response.
// Client <- Proxy
//-----------------------------------------
try
{
HttpStream.Write(response, server);
//-----------------------------------------
// Observer.
//-----------------------------------------
if (listner != null)
{
response = listner.OnHttpResponseServer(response, server, client);
}
}
catch (Exception ex)
{
Close(serverSocket, clinetSocket, server, client);
throw ex;
}
if (request._header._isKeepAllive == false || response._header._isKeepAllive == false)
{
break;
}
}
Close(serverSocket, clinetSocket, server, client);
}
public void Write(string message)
{
HttpStream.Write(sslStream, Encoding.UTF8.GetBytes(message));
}