示例#1
0
        public HttpResponseHeader(string source)
        {
            _isBinary = false;
            _source   = source;
            StringReader sreader = new StringReader(_source);

            try
            {
                if (ParseResponseCode(sreader.ReadLine()) == false)
                {
                    _isParse = false;
                    return;
                }
                else
                {
                    _headers = HttpHeader.ParseHeader(sreader);

                    if (_httpVersion == HTTP_VERTION.HTTP10)
                    {
                        if (_headers.Get(HTTP_HEADER_KEY.CONNECTION) != null)
                        {
                            if (_headers[HTTP_HEADER_KEY.CONNECTION] == HTTP_HEADER_VALUE.KEEPALLIVE)
                            {
                                _isKeepAllive = true;
                            }
                        }
                        if (_headers.Get(HTTP_HEADER_KEY.PROXY_CONNECTION) != null)
                        {
                            if (_headers[HTTP_HEADER_KEY.PROXY_CONNECTION] == HTTP_HEADER_VALUE.KEEPALLIVE)
                            {
                                _isKeepAllive = true;
                            }
                        }
                    }
                    else
                    {
                        _isKeepAllive = true;
                        if (_headers.Get(HTTP_HEADER_KEY.CONNECTION) != null)
                        {
                            if (_headers[HTTP_HEADER_KEY.CONNECTION] == HTTP_HEADER_VALUE.CLOSE)
                            {
                                _isKeepAllive = false;
                            }
                        }
                        if (_headers.Get(HTTP_HEADER_KEY.PROXY_CONNECTION) != null)
                        {
                            if (_headers[HTTP_HEADER_KEY.PROXY_CONNECTION] == HTTP_HEADER_VALUE.CLOSE)
                            {
                                _isKeepAllive = false;
                            }
                        }
                    }

                    if (_headers.Get(HTTP_HEADER_KEY.TRANSFER_ENCODING) != null)
                    {
                        if (_headers[HTTP_HEADER_KEY.TRANSFER_ENCODING] == HTTP_HEADER_VALUE.CHUNKED)
                        {
                            _isChunked = true;
                        }
                    }
                    else if (_headers.Get(HTTP_HEADER_KEY.CONTENT_LENGTH) != null)
                    {
                        _contentSize = Convert.ToInt32(_headers[HTTP_HEADER_KEY.CONTENT_LENGTH]);
                    }
                }
            }catch {
                _isParse = false;
                return;
            }

            _isBinary = HttpHeader.CheckBinary(_headers);
            _isParse  = true;
        }
示例#2
0
        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);
        }
示例#3
0
        public HttpRequestHeader(string source)
        {
            if (source.Length == 0)
            {
                _isData = false;
                return;
            }
            else
            {
                _isData = true;
            }

            _isBinary = false;
            _source   = source;
            StringReader sreader = new StringReader(_source);

            try
            {
                if (ParseRequestMethod(sreader.ReadLine()) == false)
                {
                    _isParse = false;
                    return;
                }
                else
                {
                    _headers = HttpHeader.ParseHeader(sreader);

                    if (_httpVersion == HTTP_VERTION.HTTP10)
                    {
                        if (_headers.Get(HTTP_HEADER_KEY.CONNECTION) != null)
                        {
                            if (_headers[HTTP_HEADER_KEY.CONNECTION] == HTTP_HEADER_VALUE.KEEPALLIVE)
                            {
                                _isKeepAllive = true;
                            }
                        }
                        if (_headers.Get(HTTP_HEADER_KEY.PROXY_CONNECTION) != null)
                        {
                            if (_headers[HTTP_HEADER_KEY.PROXY_CONNECTION] == HTTP_HEADER_VALUE.KEEPALLIVE)
                            {
                                _isKeepAllive = true;
                            }
                        }
                    }
                    else
                    {
                        _isKeepAllive = true;
                        if (_headers.Get(HTTP_HEADER_KEY.CONNECTION) != null)
                        {
                            if (_headers[HTTP_HEADER_KEY.CONNECTION] == HTTP_HEADER_VALUE.CLOSE)
                            {
                                _isKeepAllive = false;
                            }
                        }
                        if (_headers.Get(HTTP_HEADER_KEY.PROXY_CONNECTION) != null)
                        {
                            if (_headers[HTTP_HEADER_KEY.PROXY_CONNECTION] == HTTP_HEADER_VALUE.CLOSE)
                            {
                                _isKeepAllive = false;
                            }
                        }
                    }

                    if (_headers.Get(HTTP_HEADER_KEY.CONTENT_LENGTH) != null)
                    {
                        _contentSize = Convert.ToInt32(_headers[HTTP_HEADER_KEY.CONTENT_LENGTH]);
                    }

                    if (_headers.Get(HTTP_HEADER_KEY.HOST) != null)
                    {
                        _host = _headers[HTTP_HEADER_KEY.HOST];

                        if (_host.IndexOf(":") != -1)
                        {
                            string[] host = _host.Split(':');
                            _host = host[0];
                            _port = Convert.ToInt32(host[1]);
                        }
                        else
                        {
                            _host = _host;
                            _port = Convert.ToInt32(HTTP_PORT.HTTP);
                        }
                    }
                }
            }catch {
                _isParse = false;
                return;
            }

            _isBinary = HttpHeader.CheckBinary(_headers);
            _isParse  = true;
        }