void DecodeHeaders (CFHTTPMessage message, HttpResponseMessage response, Content content)
{
using (var dict = message.GetAllHeaderFields ()) {
foreach (var entry in dict) {
DecodeHeader (response, content, entry);
}
}
}
void DecodeHeader (HttpResponseMessage response, Content content,
KeyValuePair<NSObject,NSObject> entry)
{
string key = (NSString)entry.Key;
string value = (NSString)entry.Value;
try {
if (content.DecodeHeader (key, value))
return;
response.Headers.Add (key, value);
return;
} catch {
;
}
/*
* FIXME: .NET automatically fixes an invalid date header
* by setting it to the current time. Mono does not.
*/
if (key.Equals ("Date"))
response.Headers.Date = DateTime.Now;
}
async Task<HttpResponseMessage> ProcessRequest (HttpRequestMessage request,
CFHTTPMessage message,
WebRequestStream body,
bool retryWithCredentials,
CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested ();
WebResponseStream stream;
if (body != null)
stream = WebResponseStream.Create (message, body);
else
stream = WebResponseStream.Create (message);
if (stream == null)
throw new HttpRequestException (string.Format (
"Failed to create web request for '{0}'.",
request.RequestUri)
);
stream.Stream.ShouldAutoredirect = AllowAutoRedirect;
stream.Stream.AttemptPersistentConnection = GetKeepAlive (request);
var response = await stream.Open (
WorkerThread, cancellationToken).ConfigureAwait (false);
var status = (HttpStatusCode)response.ResponseStatusCode;
if (retryWithCredentials && (body == null) &&
(status == HttpStatusCode.Unauthorized) ||
(status == HttpStatusCode.ProxyAuthenticationRequired)) {
if (HandleAuthentication (request.RequestUri, message, response)) {
stream.Dispose ();
return await ProcessRequest (
request, message, null, false, cancellationToken);
}
}
// The Content object takes ownership of the stream, so we don't
// dispose it here.
var retval = new HttpResponseMessage ();
retval.StatusCode = response.ResponseStatusCode;
retval.ReasonPhrase = GetReasonPhrase (response);
retval.Version = response.Version;
var content = new Content (stream);
retval.Content = content;
DecodeHeaders (response, retval, content);
return retval;
}