private void GetUnknownHeadersHelper(IDictionary <string, StringValues> unknownHeaders, long fixup, HttpApiTypes.HTTP_REQUEST *request)
{
int index;
// unknown headers
if (request->Headers.UnknownHeaderCount != 0)
{
var pUnknownHeader = (HttpApiTypes.HTTP_UNKNOWN_HEADER *)(fixup + (byte *)request->Headers.pUnknownHeaders);
for (index = 0; index < request->Headers.UnknownHeaderCount; index++)
{
// For unknown headers, when header value is empty, RawValueLength will be 0 and
// pRawValue will be null.
if (pUnknownHeader->pName != null && pUnknownHeader->NameLength > 0)
{
var headerName = HeaderEncoding.GetString(pUnknownHeader->pName + fixup, pUnknownHeader->NameLength);
string headerValue;
if (pUnknownHeader->pRawValue != null && pUnknownHeader->RawValueLength > 0)
{
headerValue = HeaderEncoding.GetString(pUnknownHeader->pRawValue + fixup, pUnknownHeader->RawValueLength);
}
else
{
headerValue = string.Empty;
}
// Note that Http.Sys currently collapses all headers of the same name to a single coma separated string,
// so we can just call Set.
unknownHeaders[headerName] = headerValue;
}
pUnknownHeader++;
}
}
}
// These methods require the HTTP_REQUEST to still be pinned in its original location.
internal string GetVerb()
{
var verb = NativeRequest->Verb;
if (verb > HttpApiTypes.HTTP_VERB.HttpVerbUnknown && verb < HttpApiTypes.HTTP_VERB.HttpVerbMaximum)
{
return(HttpApiTypes.HttpVerbs[(int)verb]);
}
else if (verb == HttpApiTypes.HTTP_VERB.HttpVerbUnknown && NativeRequest->pUnknownVerb != null)
{
return(HeaderEncoding.GetString(NativeRequest->pUnknownVerb, NativeRequest->UnknownVerbLength));
}
return(null);
}
private string GetKnowHeaderHelper(HttpSysRequestHeader header, long fixup, HttpApiTypes.HTTP_REQUEST *request)
{
int headerIndex = (int)header;
string value = null;
HttpApiTypes.HTTP_KNOWN_HEADER *pKnownHeader = (&request->Headers.KnownHeaders) + headerIndex;
// For known headers, when header value is empty, RawValueLength will be 0 and
// pRawValue will point to empty string ("\0")
if (pKnownHeader->RawValueLength > 0)
{
value = HeaderEncoding.GetString(pKnownHeader->pRawValue + fixup, pKnownHeader->RawValueLength);
}
return(value);
}