public object Clone()
{
HTTPResponseHeaders headers = (HTTPResponseHeaders)base.MemberwiseClone();
headers.storage = new List <HTTPHeaderItem>(base.storage.Count);
foreach (HTTPHeaderItem item in base.storage)
{
headers.storage.Add((HTTPHeaderItem)item.Clone());
}
return(headers);
}
private void _deleteInformationalMessage()
{
this.m_inHeaders = null;
byte[] buffer = new byte[this.m_responseData.Length - this.iEntityBodyOffset];
this.m_responseData.Position = this.iEntityBodyOffset;
this.m_responseData.Read(buffer, 0, buffer.Length);
this.m_responseData.Dispose();
this.m_responseData = new MemoryStream(buffer.Length);
this.m_responseData.Write(buffer, 0, buffer.Length);
this.m_responseTotalDataCount = 0L;
this.iEntityBodyOffset = this._iBodySeekProgress = 0;
}
internal bool SecureClientPipe(string sHostname, HTTPResponseHeaders oHeaders)
{
X509Certificate2 certificate;
try
{
certificate = CertMaker.FindCert(sHostname, true);
}
catch (Exception exception)
{
//KProxyApplication.Log.LogFormat("KProxy.https> Failed to obtain certificate for {0} due to {1}", new object[] { sHostname, exception.Message });
certificate = null;
}
try
{
if (certificate == null)
{
KProxyApplication.DoNotifyUser("Unable to find Certificate for " + sHostname, "HTTPS Interception Failure");
oHeaders.HTTPResponseCode = 0x1f6;
oHeaders.HTTPResponseStatus = "502 KProxy unable to generate certificate";
}
if (KPCONFIG.bDebugSpew)
{
KProxyApplication.DebugSpew("SecureClientPipe for: " + this.ToString() + " sending data to client:\n" + Utilities.ByteArrayToHexView(oHeaders.ToByteArray(true, true), 0x20));
}
base.Send(oHeaders.ToByteArray(true, true));
if (oHeaders.HTTPResponseCode != 200)
{
KProxyApplication.DebugSpew("SecureClientPipe returning FALSE because HTTPResponseCode != 200");
return(false);
}
base._httpsStream = new SslStream(new NetworkStream(base._baseSocket, false), false);
base._httpsStream.AuthenticateAsServer(certificate, _bWantClientCert, KPCONFIG.oAcceptedClientHTTPSProtocols, false);
return(true);
}
catch (Exception exception2)
{
//KProxyApplication.Log.LogFormat("Secure client pipe failed: {0}{1}.", new object[] { exception2.Message, (exception2.InnerException == null) ? string.Empty : (" InnerException: " + exception2.InnerException.Message) });
KProxyApplication.DebugSpew("Secure client pipe failed: " + exception2.Message);
try
{
base.End();
}
catch
{
}
}
return(false);
}
public static HTTPResponseHeaders ParseResponse(string sResponse)
{
int index = sResponse.IndexOf("\r\n\r\n", StringComparison.Ordinal);
if (index < 1)
{
index = sResponse.Length;
}
if (index >= 1)
{
string[] sHeaderLines = sResponse.Substring(0, index).Replace("\r\n", "\n").Split(new char[] { '\n' });
if (sHeaderLines.Length < 1)
{
return(null);
}
HTTPResponseHeaders oHeaders = new HTTPResponseHeaders(KPCONFIG.oHeaderEncoding);
int length = sHeaderLines[0].IndexOf(' ');
if (length > 0)
{
oHeaders.HTTPVersion = sHeaderLines[0].Substring(0, length).ToUpper();
sHeaderLines[0] = sHeaderLines[0].Substring(length + 1).Trim();
if (!oHeaders.HTTPVersion.StartsWith("HTTP/", StringComparison.OrdinalIgnoreCase))
{
return(null);
}
oHeaders.HTTPResponseStatus = sHeaderLines[0];
bool flag = false;
length = sHeaderLines[0].IndexOf(' ');
if (length > 0)
{
flag = int.TryParse(sHeaderLines[0].Substring(0, length).Trim(), NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out oHeaders.HTTPResponseCode);
}
else
{
flag = int.TryParse(sHeaderLines[0].Trim(), NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out oHeaders.HTTPResponseCode);
}
if (!flag)
{
return(null);
}
string sErrors = string.Empty;
ParseNVPHeaders(oHeaders, sHeaderLines, 1, ref sErrors);
return(oHeaders);
}
}
return(null);
}
internal void Initialize(bool bAlloc)
{
if (bAlloc)
{
this.m_responseData = new MemoryStream(0x4000);
}
else
{
this.m_responseData = null;
}
this._lngLeakedOffset = this._iBodySeekProgress = this.iEntityBodyOffset = 0;
this._lngLastChunkInfoOffset = -1L;
this.m_inHeaders = null;
this._bLeakedHeaders = false;
this.pipeServer = null;
this._bWasForwarded = false;
this.m_session.SetBitFlag(SessionFlags.ServerPipeReused, false);
}
public bool AssignFromString(string sHeaders)
{
HTTPResponseHeaders headers = null;
try
{
headers = Parser.ParseResponse(sHeaders);
}
catch
{
}
if (headers != null)
{
this.HTTPResponseCode = headers.HTTPResponseCode;
this.HTTPResponseStatus = headers.HTTPResponseStatus;
base.HTTPVersion = headers.HTTPVersion;
base.storage = headers.storage;
return(true);
}
return(false);
}
internal bool ReadResponseFromFile(string sFilename)
{
string str2;
if (System.IO.File.Exists(sFilename))
{
FileStream oStream = System.IO.File.OpenRead(sFilename);
byte[] arrBytes = new byte[oStream.Length];
Utilities.ReadEntireStream(oStream, arrBytes);
oStream.Close();
this.Initialize(true);
int length = arrBytes.Length;
int index = 0;
bool flag = (((arrBytes.Length > 3) && (arrBytes[0] == 0xef)) && (arrBytes[1] == 0xbb)) && (arrBytes[2] == 0xbf);
if (flag)
{
index = 3;
length -= 3;
}
bool flag2 = ((((arrBytes.Length > (5 + index)) && (arrBytes[index] == 0x48)) && ((arrBytes[index + 1] == 0x54) && (arrBytes[index + 2] == 0x54))) && (arrBytes[index + 3] == 80)) && (arrBytes[index + 4] == 0x2f);
if (flag && !flag2)
{
length += 3;
index = 0;
}
this.m_responseData.Write(arrBytes, index, length);
if ((flag2 && this.HeadersAvailable()) && this.ParseResponseForHeaders())
{
this.m_session.responseBodyBytes = this.TakeEntity();
}
else
{
this.Initialize(false);
this.m_inHeaders = new HTTPResponseHeaders(KPCONFIG.oHeaderEncoding);
this.m_inHeaders.HTTPResponseCode = 200;
this.m_inHeaders.HTTPResponseStatus = "200 OK with automatic headers";
this.m_inHeaders["Content-Length"] = arrBytes.LongLength.ToString();
this.m_inHeaders["Cache-Control"] = "max-age=0, must-revalidate";
string str = Utilities.ContentTypeForFileExtension(Path.GetExtension(sFilename));
if (str != null)
{
this.m_inHeaders["Content-Type"] = str;
}
this.m_session.responseBodyBytes = arrBytes;
}
return(true);
}
this.Initialize(false);
if ((this.m_session.LocalProcessID > 0) || this.m_session.isFlagSet(SessionFlags.RequestGeneratedByKProxy))
{
str2 = "KProxy - The file '" + sFilename + "' was not found.";
}
else
{
str2 = "KProxy - The requested file was not found.";
}
str2 = str2.PadRight(0x200, ' ');
this.m_session.responseBodyBytes = Encoding.UTF8.GetBytes(str2);
this.m_inHeaders = new HTTPResponseHeaders(KPCONFIG.oHeaderEncoding);
this.m_inHeaders.HTTPResponseCode = 0x194;
this.m_inHeaders.HTTPResponseStatus = "404 Not Found";
this.m_inHeaders.Add("Content-Length", this.m_session.responseBodyBytes.Length.ToString());
this.m_inHeaders.Add("Cache-Control", "max-age=0, must-revalidate");
return(false);
}
internal bool ReadResponse()
{
int iMaxByteCount = 0;
bool flag = false;
bool flag2 = false;
bool flag3 = false;
byte[] arrBuffer = new byte[_cbServerReadBuffer];
do
{
try
{
iMaxByteCount = this.pipeServer.Receive(arrBuffer);
if (0L == this.m_session.Timers.ServerBeginResponse.Ticks)
{
this.m_session.Timers.ServerBeginResponse = DateTime.Now;
}
if (iMaxByteCount <= 0)
{
flag = true;
KProxyApplication.DoReadResponseBuffer(this.m_session, arrBuffer, 0);
}
else
{
if (KPCONFIG.bDebugSpew)
{
KProxyApplication.DebugSpew(Utilities.ByteArrayToHexView(arrBuffer, 0x20, iMaxByteCount));
}
if (!KProxyApplication.DoReadResponseBuffer(this.m_session, arrBuffer, iMaxByteCount))
{
flag2 = true;
}
this.m_responseData.Write(arrBuffer, 0, iMaxByteCount);
this.m_responseTotalDataCount += iMaxByteCount;
if ((this.m_inHeaders == null) && this.GetHeaders())
{
this.m_session.Timers.KProxyGotResponseHeaders = DateTime.Now;
if ((this.m_session.state == SessionStates.Aborted) && this.m_session.isAnyFlagSet(SessionFlags.ProtocolViolationInResponse))
{
return(false);
}
KProxyApplication.DoResponseHeadersAvailable(this.m_session);
if (KPCONFIG.bStreamAudioVideo)
{
string str = this.m_inHeaders["Content-Type"];
if ((str.StartsWith("video/", StringComparison.OrdinalIgnoreCase) || str.StartsWith("audio/", StringComparison.OrdinalIgnoreCase)) || str.StartsWith("application/x-mms-framed", StringComparison.OrdinalIgnoreCase))
{
this.m_session.bBufferResponse = false;
}
}
if (!this.m_session.bBufferResponse)
{
this.m_session.bBufferResponse = this.m_session.HTTPMethodIs("CONNECT");
}
if (!this.m_session.bBufferResponse && (this.m_session.oRequest.pipeClient == null))
{
this.m_session.bBufferResponse = true;
}
if ((!this.m_session.bBufferResponse && ((0x191 == this.m_inHeaders.HTTPResponseCode) || (0x197 == this.m_inHeaders.HTTPResponseCode))) && this.m_session.oFlags.ContainsKey("x-AutoAuth"))
{
this.m_session.bBufferResponse = true;
}
this.m_session.SetBitFlag(SessionFlags.ResponseStreamed, !this.m_session.bBufferResponse);
if (!this.m_session.bBufferResponse)
{
if (this.m_session.oFlags.ContainsKey("response-trickle-delay"))
{
int num2 = int.Parse(this.m_session.oFlags["response-trickle-delay"]);
this.m_session.oRequest.pipeClient.TransmitDelay = num2;
}
if (this.m_session.oFlags.ContainsKey("log-drop-response-body") || KProxyApplication.Prefs.GetBoolPref("KProxy.network.streaming.ForgetStreamedData", false))
{
flag3 = true;
}
}
}
if ((this.m_inHeaders != null) && this.m_session.isFlagSet(SessionFlags.ResponseStreamed))
{
this.LeakResponseBytes();
if (flag3)
{
this.m_session.SetBitFlag(SessionFlags.ResponseBodyDropped, true);
if (this._lngLastChunkInfoOffset > -1L)
{
this.ReleaseStreamedChunkedData();
}
else if (this.m_inHeaders.ExistsAndContains("Transfer-Encoding", "chunked"))
{
this.ReleaseStreamedChunkedData();
}
else
{
this.ReleaseStreamedData();
}
}
}
}
}
catch (Exception exception)
{
flag2 = true;
if (exception is OperationCanceledException)
{
this.m_session.state = SessionStates.Aborted;
}
else if (exception is OutOfMemoryException)
{
KProxyApplication.ReportException(exception);
this.m_session.state = SessionStates.Aborted;
}
else
{
}
}
}while ((!flag && !flag2) && ((this.m_inHeaders == null) || !this.isResponseBodyComplete()));
this.m_session.Timers.ServerDoneResponse = DateTime.Now;
if (this.m_session.isFlagSet(SessionFlags.ResponseStreamed))
{
this.m_session.Timers.ClientDoneResponse = this.m_session.Timers.ServerDoneResponse;
}
if ((this.m_responseTotalDataCount == 0L) && (this.m_inHeaders == null))
{
flag2 = true;
}
arrBuffer = null;
if (flag2)
{
this.m_responseData.Dispose();
this.m_responseData = null;
return(false);
}
if (this.m_inHeaders == null)
{
KProxyApplication.HandleHTTPError(this.m_session, SessionFlags.ProtocolViolationInResponse, true, true, "The Server did not return properly formatted HTTP Headers. Maybe missing altogether (e.g. HTTP/0.9), maybe only \\r\\r instead of \\r\\n\\r\\n?\n");
this.m_session.SetBitFlag(SessionFlags.ResponseStreamed, false);
this.m_inHeaders = new HTTPResponseHeaders(KPCONFIG.oHeaderEncoding);
this.m_inHeaders.HTTPVersion = "HTTP/1.0";
this.m_inHeaders.HTTPResponseCode = 200;
this.m_inHeaders.HTTPResponseStatus = "200 This buggy server did not return headers";
this.iEntityBodyOffset = 0;
return(true);
}
return(true);
}
private bool ParseResponseForHeaders()
{
if ((this.m_responseData != null) && (this.iEntityBodyOffset >= 4))
{
this.m_inHeaders = new HTTPResponseHeaders(KPCONFIG.oHeaderEncoding);
byte[] bytes = this.m_responseData.GetBuffer();
string str = KPCONFIG.oHeaderEncoding.GetString(bytes, 0, this.iEntityBodyOffset).Trim();
if ((str == null) || (str.Length < 1))
{
this.m_inHeaders = null;
return(false);
}
string[] sHeaderLines = str.Replace("\r\n", "\n").Split(new char[] { '\n' });
if (sHeaderLines.Length >= 1)
{
int index = sHeaderLines[0].IndexOf(' ');
if (index > 0)
{
this.m_inHeaders.HTTPVersion = sHeaderLines[0].Substring(0, index).ToUpper();
sHeaderLines[0] = sHeaderLines[0].Substring(index + 1).Trim();
if (!this.m_inHeaders.HTTPVersion.StartsWith("HTTP/", StringComparison.OrdinalIgnoreCase))
{
if (!this.m_inHeaders.HTTPVersion.StartsWith("ICY", StringComparison.OrdinalIgnoreCase))
{
KProxyApplication.HandleHTTPError(this.m_session, SessionFlags.ProtocolViolationInResponse, false, true, "Response does not start with HTTP. Data:\n\n\t" + sHeaderLines[0]);
return(false);
}
this.m_session.bBufferResponse = false;
this.m_session.oFlags["log-drop-response-body"] = "ICY";
}
this.m_inHeaders.HTTPResponseStatus = sHeaderLines[0];
bool flag = false;
index = sHeaderLines[0].IndexOf(' ');
if (index > 0)
{
flag = int.TryParse(sHeaderLines[0].Substring(0, index).Trim(), NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out this.m_inHeaders.HTTPResponseCode);
}
else
{
string s = sHeaderLines[0].Trim();
flag = int.TryParse(s, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out this.m_inHeaders.HTTPResponseCode);
if (!flag)
{
for (int i = 0; i < s.Length; i++)
{
if (!char.IsDigit(s[i]))
{
flag = int.TryParse(s.Substring(0, i), NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out this.m_inHeaders.HTTPResponseCode);
if (flag)
{
KProxyApplication.HandleHTTPError(this.m_session, SessionFlags.ProtocolViolationInResponse, false, false, "The response's status line was missing a space between ResponseCode and ResponseStatus. Data:\n\n\t" + s);
}
break;
}
}
}
}
if (!flag)
{
KProxyApplication.HandleHTTPError(this.m_session, SessionFlags.ProtocolViolationInResponse, false, true, "The response's status line did not contain a ResponseCode. Data:\n\n\t" + sHeaderLines[0]);
return(false);
}
string sErrors = string.Empty;
if (!Parser.ParseNVPHeaders(this.m_inHeaders, sHeaderLines, 1, ref sErrors))
{
KProxyApplication.HandleHTTPError(this.m_session, SessionFlags.ProtocolViolationInResponse, false, true, "Incorrectly formed response headers.\n" + sErrors);
}
return(true);
}
KProxyApplication.HandleHTTPError(this.m_session, SessionFlags.ProtocolViolationInResponse, false, true, "Cannot parse HTTP response; Status line contains no spaces. Data:\n\n\t" + sHeaderLines[0]);
}
}
return(false);
}
internal ServerChatter(Session oSession, string sHeaders)
{
this._lngLastChunkInfoOffset = -1L;
this.m_session = oSession;
this.m_inHeaders = Parser.ParseResponse(sHeaders);
}