public Boolean ReadHeader(Connection connection)
{
this.FirstHeader = String.Empty;
String lStart = HttpHeaders.ReadHttpMethodName(connection);
if (lStart == null)
return false;
if (String.Equals(lStart, String.Empty, StringComparison.Ordinal))
throw new HttpRequestInvalidException(HttpStatusCode.InternalServerError, "Invalid HTTP Request, 'POST', 'MERGE', 'GET', 'DELETE', 'PUT' or 'HEAD' header expected.");
String lHeaderLine;
do
{
lHeaderLine = connection.ReadLine();
if (!String.IsNullOrEmpty(lHeaderLine))
{
if (this.FirstHeader.Length == 0)
{
this.FirstHeader = lStart + lHeaderLine;
}
else
{
Int32 lPos = lHeaderLine.IndexOf(":", StringComparison.Ordinal);
if (lPos == -1)
{
throw new HttpHeaderException("Invalid HTTP Header Line \"" + lHeaderLine + "\"");
}
String lName = lHeaderLine.Substring(0, lPos);
String lValue = null;
// There should be a space after the ":" , but at least one custome said that this is not
// always true
// So we check if there is space after the ":"
if (lHeaderLine.Length > lPos + 1)
{
if (lHeaderLine[lPos + 1] == ' ')
lValue = lHeaderLine.Substring(lPos + 2);
else
lValue = lHeaderLine.Substring(lPos + 1);
}
HttpHeader lHeader = this[lName];
if (lHeader == null)
{
lHeader = new HttpHeader(lName, lValue);
fHeaders.Add(lName, lHeader);
}
else
{
lHeader.Add(lValue);
}
}
}
if (this.MaxHeaderLinesEnabled && this.fHeaders.Count > this.MaxHeaderLines - 1) // -1 because FirstHeader is not in hashtable
{
connection.Disconnect();
throw new HttpHeaderException(String.Format("Too many header lines received (maximum is set to {0})", MaxHeaderLines));
}
}
while (!String.IsNullOrEmpty(lHeaderLine));
this.ParseFirstLine();
return true;
}
