private bool ParseResponseForHeaders()
{
if ((_responseData != null) && (_intEntityBodyOffset >= 4))
{
Headers = new HttpResponseHeaders();
byte[] bytes = _responseData.GetBuffer();
string str = AppVars.Codepage.GetString(bytes, 0, _intEntityBodyOffset).Trim();
if (string.IsNullOrEmpty(str))
{
Headers = null;
return(false);
}
string[] strArray = str.Replace("\r\n", "\n").Split('\n');
if (strArray.Length >= 1)
{
int index = strArray[0].IndexOf(' ');
if (index > 0)
{
Headers.HttpVersion = strArray[0].Substring(0, index).ToUpper();
strArray[0] = strArray[0].Substring(index + 1).Trim();
if (!Headers.HttpVersion.StartsWith("HTTP/", StringComparison.OrdinalIgnoreCase))
{
return(false);
}
Headers.HttpResponseStatus = strArray[0];
index = strArray[0].IndexOf(' ');
int responseCode;
bool flag = index > 0 ?
int.TryParse(strArray[0].Substring(0, index).Trim(), NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out responseCode) :
int.TryParse(strArray[0].Trim(), NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out responseCode);
Headers.HttpResponseCode = responseCode;
if (!flag)
{
return(false);
}
for (int i = 1; i < strArray.Length; i++)
{
index = strArray[i].IndexOf(':');
if ((index > 0) && (index <= (strArray[i].Length - 1)))
{
try
{
Headers.Add(strArray[i].Substring(0, index), strArray[i].Substring(index + 1).Trim());
}
catch
{
return(false);
}
}
}
return(true);
}
}
}
return(false);
}
internal bool ReadResponse()
{
bool flag = false;
bool flag2 = false;
bool flag3 = !_session.BufferResponse;
bool flag4 = true;
var data = new byte[0x8000];
do
{
try
{
if (flag4 && (Headers != null))
{
flag4 = false;
flag3 = !_session.BufferResponse;
}
int readCount = ServerSocket.Receive(data);
if (readCount <= 0)
{
flag = true;
}
else
{
_responseData.Write(data, 0, readCount);
if (flag3)
{
LeakResponseBytes();
}
}
}
catch (Exception)
{
flag2 = true;
}
}while ((!flag && !IsResponseComplete()) && !flag2);
if (_responseData.Length == 0L)
{
flag2 = true;
}
else
{
try
{
if (AppVars.MainForm != null)
{
AppVars.MainForm.UpdateTrafficSafe(_responseData.Length);
}
}
catch (InvalidOperationException)
{
}
}
if ((Headers == null) && !flag2)
{
Headers = new HttpResponseHeaders
{
HttpResponseCode = 200,
HttpResponseStatus = "200 This buggy server did not return headers"
};
_intEntityBodyOffset = 0;
return(true);
}
if (Headers != null && AppVars.Profile.DoHttpLog)
{
var sb = new StringBuilder();
/*
* if (_session != null)
* {
* sb.AppendLine("Session #" + _session.Id.ToString(CultureInfo.InvariantCulture));
* }
*/
sb.Append(Headers);
try
{
if (AppVars.MainForm != null)
{
AppVars.MainForm.BeginInvoke(
new UpdateHttpLogDelegate(AppVars.MainForm.UpdateHttpLog),
new object[] { sb.ToString() });
}
}
catch (InvalidOperationException)
{
}
}
return(!flag2);
}
internal static HttpResponseHeaders ParseResponse(string strResponse)
{
var index = strResponse.IndexOf("\r\n\r\n", StringComparison.Ordinal);
if (index < 1)
{
index = strResponse.Length;
}
if (index >= 1)
{
var strArray = strResponse.Substring(0, index).Replace("\r\n", "\n").Split('\n');
if (strArray.Length < 1)
{
return(null);
}
var headers = new HttpResponseHeaders();
var length = strArray[0].IndexOf(' ');
if (length > 0)
{
headers.HttpVersion = strArray[0].Substring(0, length).ToUpperInvariant();
strArray[0] = strArray[0].Substring(length + 1).Trim();
if (string.Compare(headers.HttpVersion, 0, "HTTP/", 0, 5, StringComparison.OrdinalIgnoreCase) != 0)
{
return(null);
}
headers.HttpResponseStatus = strArray[0];
length = strArray[0].IndexOf(' ');
int code;
if (length > 0)
{
if (!int.TryParse(strArray[0].Substring(0, length).Trim(), out code))
{
return(null);
}
}
else
{
if (!int.TryParse(strArray[0].Trim(), out code))
{
return(null);
}
}
headers.HttpResponseCode = code;
for (var i = 1; i < strArray.Length; i++)
{
length = strArray[i].IndexOf(':');
if ((length > 0) && (length <= (strArray[i].Length - 1)))
{
headers.Add(strArray[i].Substring(0, length), strArray[i].Substring(length + 1).Trim());
}
}
return(headers);
}
}
return(null);
}