private void PrepareRequestHeader(HttpTunnelStatus tunnelStatus, StringCollection requestHeader,
Stream requestBody)
{
string str2;
RemoveRequestLine(requestHeader);
RemoveHeaderTrailer(requestHeader);
string absolutePath = Url.AbsolutePath;
if (IsUseProxy())
{
switch (tunnelStatus)
{
case HttpTunnelStatus.None:
absolutePath = Url.AbsoluteUri;
break;
case HttpTunnelStatus.Connect:
absolutePath = string.Format("{0}:{1}", Url.Host, Url.Port);
break;
}
}
if (StringUtils.IsEmpty(absolutePath))
{
absolutePath = "/";
}
requestHeader.Insert(0, string.Format("{0} {1} {2}", method, absolutePath, httpVersions[(int)HttpVersion]));
var fieldList = new HeaderFieldList();
HeaderFieldList.GetHeaderFieldList(0, requestHeader, fieldList);
HeaderFieldList.RemoveHeaderField(requestHeader, fieldList, "Host");
fieldList.Clear();
HeaderFieldList.GetHeaderFieldList(0, requestHeader, fieldList);
if (AllowCompression &&
StringUtils.IsEmpty(HeaderFieldList.GetHeaderFieldValue(requestHeader, fieldList, "Accept-Encoding")))
{
HeaderFieldList.AddHeaderField(requestHeader, "Accept-Encoding", "gzip, deflate");
}
if (!StringUtils.IsEmpty(Url.Host))
{
str2 = Url.Host + GetPortIfNeed(Url.Port);
}
else
{
str2 = base.Server + GetPortIfNeed(base.Port);
}
HeaderFieldList.AddHeaderField(requestHeader, "Host", str2);
if (StringUtils.IsEmpty(HeaderFieldList.GetHeaderFieldValue(requestHeader, fieldList, "User-Agent")))
{
HeaderFieldList.AddHeaderField(requestHeader, "User-Agent", UserAgent);
}
string val = HeaderFieldList.GetHeaderFieldValue(requestHeader, fieldList, "Content-Length");
if (requestBody.Length == 0L)
{
HeaderFieldList.RemoveHeaderField(requestHeader, fieldList, "Content-Length");
fieldList.Clear();
HeaderFieldList.GetHeaderFieldList(0, requestHeader, fieldList);
HeaderFieldList.RemoveHeaderField(requestHeader, fieldList, "Content-Type");
fieldList.Clear();
HeaderFieldList.GetHeaderFieldList(0, requestHeader, fieldList);
}
else if (StringUtils.IsEmpty(val) &&
((tunnelStatus == HttpTunnelStatus.Connect) || (requestBody.Length > 0L)))
{
HeaderFieldList.AddHeaderField(requestHeader, "Content-Length", requestBody.Length.ToString());
}
if (!AllowCaching &&
StringUtils.IsEmpty(HeaderFieldList.GetHeaderFieldValue(requestHeader, fieldList,
cacheFields[(int)HttpVersion])))
{
HeaderFieldList.AddHeaderField(requestHeader, cacheFields[(int)HttpVersion], "no-cache");
}
if (KeepConnection &&
StringUtils.IsEmpty(HeaderFieldList.GetHeaderFieldValue(requestHeader, fieldList,
connFields[IsUseProxy() ? 1 : 0])))
{
HeaderFieldList.AddHeaderField(requestHeader, connFields[IsUseProxy() ? 1 : 0], "Keep-Alive");
}
if (AllowCookies)
{
Cookies.SetRequestCookies(requestHeader);
}
requestHeader.Add("");
}
