private void EndCallback (IAsyncResult result)
{
WebRequest wreq = (result.AsyncState as WebRequest);
try {
HttpWebResponseCore wres = (HttpWebResponseCore) wreq.EndGetResponse (result);
// Redirection Error
// Normal Request allowed throw
// Policy Request throw ignore (no policy)
if (IsRedirection (wres)) {
if (IsDownloadingPolicy ()) {
// redirection is NOT allowed for policy files
async_result.Exception = new SecurityException ("Cannot redirect policy files");
async_result.SetComplete ();
} else {
string location = wres.Headers ["Location"];
Uri redirect = new Uri (location);
// Silverlight does NOT redirect POST as POST to avoid cross site attacks - see DRT #866 or
// http://blogs.msdn.com/jackgr/archive/2010/04/19/silverlight-clients-and-appfabric-access-control.aspx
if ((String.Compare (method, "HEAD", StringComparison.OrdinalIgnoreCase) == 0) ||
(String.Compare (method, "GET", StringComparison.OrdinalIgnoreCase) == 0)) {
GetResponse (method, redirect, true);
} else {
GetResponse ("GET", redirect, false);
}
}
} else if (wres.StatusCode != HttpStatusCode.OK) {
// policy file could be missing, but then it means no policy
if (!IsDownloadingPolicy ()) {
async_result.Response = wres;
async_result.Exception = NotFound (wres.ResponseUri.Scheme, wres);
async_result.SetComplete ();
} else {
async_result.SetComplete ();
}
} else {
wres.SetMethod (Method);
async_result.Response = wres;
async_result.SetComplete ();
}
}
catch (Exception e) {
async_result.Response = null;
async_result.Exception = NotFound (wreq.RequestUri.Scheme, null);
async_result.SetComplete ();
}
}
