/// <summary>
/// Checks the headers of a response message
/// </summary>
/// <param name="response"></param>
internal protected void CheckRequiredResponseHeaders(HttpResponse response)
{
// make sure the server header is filled in
if (HttpUtils.IsEmptryString(response.Server))
{
response.Server = new CarbonServerProtocolVersion().ToString();
}
// if there is no body, or that body is zero length we are finished
if (response.Body == null)
{
return;
}
// if the body is zero length no problem
if (response.Body.Length == 0)
{
return;
}
// however if there is a body with X length, we must ensure that the response's content-length header is filled in properly
if (response.ContentLength != response.Body.Length)
{
response.ContentLength = response.Body.Length;
}
// lastly, warn if we are going to send a response with no content-type, it's just not cool
if (HttpUtils.IsEmptryString(response.ContentType))
{
Debug.WriteLine(string.Format("The response '{0}' contains a body, but does not contain a valid 'content-type'. Please set the 'content-type' header field, or use the SetBody(XXX) methods of the HttpMessage class when setting the message body.", response.FirstLine), MY_TRACE_CATEGORY);
}
}
/// <summary>
/// Write the value to the specified header, optionally deletes the header if the value is empty or null
/// </summary>
/// <param name="name"></param>
/// <param name="value"></param>
/// <param name="deleteIfEmptyOrNull"></param>
public virtual void WriteHeaderValue(string name, string value, bool deleteIfNullOrEmpty)
{
if (deleteIfNullOrEmpty)
{
if (HttpUtils.IsEmptryString(value) || HttpUtils.IsNullString(value))
{
_headers.Remove(name);
return;
}
}
// validate the header value, not empty, null, or contains CR or LF
HttpUtils.ValidateToken(name, value);
// otherwise if it doesn't exist
if (!_headers.Contains(name))
{
// add it in with the value specified
_headers.Add(new HttpHeader(name, value));
return;
}
// or finally just update the one that exists
_headers[name].Value = value;
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
// append each header
foreach (HttpHeader header in base.InnerList)
{
if (!HttpUtils.IsEmptryString(header.Value))
{
sb.Append(header.ToString());
}
}
// wrap up the headers with another crlf combo
sb.Append(HttpControlChars.CRLF);
return(sb.ToString());
}
/// <summary>
/// Checks the headers of a request message
/// </summary>
/// <param name="socket"></param>
/// <param name="request"></param>
internal protected void CheckRequiredRequestHeaders(Socket socket, HttpRequest request)
{
// make sure the host header is filled in
if (HttpUtils.IsEmptryString(request.Host))
{
// lock(socket)
request.Host = this.GetHostFromEndPointString(socket.LocalEndPoint.ToString());
}
// make sure the user-agent header is filled in
if (HttpUtils.IsEmptryString(request.UserAgent))
{
request.UserAgent = new CarbonClientProtocolVersion().ToString();
}
// if there is no body, or that body is zero length we are finished
if (request.Body == null)
{
return;
}
// if the body is zero length no problem
if (request.Body.Length == 0)
{
return;
}
// however if there is a body with X length, we must ensure that the request's content-length header is filled in properly
if (request.ContentLength != request.Body.Length)
{
request.ContentLength = request.Body.Length;
}
// lastly, warn if we are going to send a request with no content-type, it's just not cool
if (HttpUtils.IsEmptryString(request.ContentType))
{
Debug.WriteLine(string.Format("The request '{0}' contains a body, but does not contain a valid 'content-type'. Please set the 'content-type' header field, or use the SetBody(XXX) methods of the HttpMessage class when setting the message body.", request.FirstLine), MY_TRACE_CATEGORY);
}
}
