Adds additional error checking.

DotNetOpenAuth · Mar 25, 2013 · afcdf6e · afcdf6e
1 parent 257e43b
commit afcdf6e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/DotNetOpenAuth.OpenId/OpenId/XriDiscoveryProxyService.cs b/src/DotNetOpenAuth.OpenId/OpenId/XriDiscoveryProxyService.cs
@@ -92,7 +92,9 @@ public class XriDiscoveryProxyService : IIdentifierDiscoveryService, IRequireHos
 
 			XrdsDocument doc;
 			using (var xrdsResponse = await Yadis.RequestAsync(GetXrdsUrl(identifier), identifier.IsDiscoverySecureEndToEnd, hostFactories, cancellationToken)) {
+				xrdsResponse.EnsureSuccessStatusCode();
 				var readerSettings = MessagingUtilities.CreateUntrustedXmlReaderSettings();
+				ErrorUtilities.VerifyProtocol(xrdsResponse.Content != null, "XRDS request \"{0}\" returned no response.", GetXrdsUrl(identifier));
 				await xrdsResponse.Content.LoadIntoBufferAsync();
 				using (var xrdsStream = await xrdsResponse.Content.ReadAsStreamAsync()) {
 					doc = new XrdsDocument(XmlReader.Create(xrdsStream, readerSettings));