private void CopyHeaders(HttpRequestInfo requestInfo, HttpWebRequest webRequest)
{
//by default set 100Continue to false to prevent 417 errors
//however if the client sends an expect header we will change this back
webRequest.ServicePoint.Expect100Continue = false;
//add headers
foreach (HTTPHeader header in requestInfo.Headers)
{
if (String.Compare(header.Name, "Accept", true) == 0)
{
webRequest.Accept = header.Value;
}
else if (String.Compare(header.Name, "Connection", true) == 0 || String.Compare(header.Name, "Proxy-Connection", true) == 0)
{
if (String.Compare(header.Value, "close", true) == 0)
{
webRequest.KeepAlive = false;
}
else
{
webRequest.KeepAlive = true;
}
}
else if (String.Compare(header.Name, "Content-Length", true) == 0)
{
long length;
if (long.TryParse(header.Value, out length))
{
webRequest.ContentLength = length;
}
}
else if (String.Compare(header.Name, "Content-Type", true) == 0)
{
webRequest.ContentType = header.Value;
}
else if (String.Compare(header.Name, "If-Modified-Since", true) == 0)
{
DateTime date;
if (DateTime.TryParse(header.Value, out date))
{
webRequest.IfModifiedSince = date;
}
}
else if (String.Compare(header.Name, "Referer", true) == 0)
{
webRequest.Referer = header.Value;
}
else if (String.Compare(header.Name, "Transfer-Encoding", true) == 0)
{
webRequest.TransferEncoding = header.Value;
}
else if (String.Compare(header.Name, "User-Agent", true) == 0)
{
webRequest.UserAgent = header.Value;
}
else if (String.Compare(header.Name, "Date", true) == 0)
{
DateTime date;
if (DateTime.TryParse(header.Value, out date))
{
webRequest.Date = date;
}
else
{
//the date could not be parsed but try to set now as the date
webRequest.Date = DateTime.Now;
}
}
else if (String.Compare(header.Name, "Range", true) == 0)
{
string specifier;
int from;
int to;
HttpUtil.ParseRange(header.Value, out specifier, out from, out to);
if (from < to)
{
webRequest.AddRange(specifier, from, to);
}
}
else if (String.Compare(header.Name, "Expect", true) == 0)
{
if (String.Compare(header.Value, "100-Continue", true) == 0)
{
webRequest.ServicePoint.Expect100Continue = true;
}
}
else if (String.Compare(header.Name, "Host", true) == 0)
{
//do nothing for these headers
;
}
else if (String.Compare(header.Name, "Cookie", true) == 0 && ShouldHandleCookies)
{
//add the additional cookies to the jar
//if should handle cookies is on cookie management is done by the jar (we want to be able to add cookies)
HttpVariables vars = new HttpVariables(header.Value, RequestLocation.Cookies);
foreach (var cookie in vars)
{
_cookieJar.Add(new Cookie(cookie.Key, cookie.Value, requestInfo.Path, requestInfo.Host));
}
}
else
{
try
{
//webRequest doesn't support PseudoHeaders
if (!header.Name.StartsWith(":"))
{
webRequest.Headers.Set(header.Name, header.Value);
}
}
catch
{
SdkSettings.Instance.Logger.Log(TraceLevel.Error, "WebRequestClient error. Cannot set header {0}", header.Name);
}
}
}
}
