diff options
Diffstat (limited to 'src/DotNetOpenAuth/OpenId/OpenIdXrdsHelper.cs')
-rw-r--r-- | src/DotNetOpenAuth/OpenId/OpenIdXrdsHelper.cs | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/src/DotNetOpenAuth/OpenId/OpenIdXrdsHelper.cs b/src/DotNetOpenAuth/OpenId/OpenIdXrdsHelper.cs index 664a127..8e11700 100644 --- a/src/DotNetOpenAuth/OpenId/OpenIdXrdsHelper.cs +++ b/src/DotNetOpenAuth/OpenId/OpenIdXrdsHelper.cs @@ -55,15 +55,19 @@ namespace DotNetOpenAuth.OpenId { /// <returns> /// A sequence of OpenID Providers that can assert ownership of the <paramref name="claimedIdentifier"/>. /// </returns> - internal static IEnumerable<ServiceEndpoint> CreateServiceEndpoints(this XrdsDocument xrds, UriIdentifier claimedIdentifier, UriIdentifier userSuppliedIdentifier) { - var endpoints = new List<ServiceEndpoint>(); - endpoints.AddRange(xrds.GenerateOPIdentifierServiceEndpoints(userSuppliedIdentifier)); + internal static IEnumerable<IdentifierDiscoveryResult> CreateServiceEndpoints(this XrdsDocument xrds, UriIdentifier claimedIdentifier, UriIdentifier userSuppliedIdentifier) { + var endpoints = new List<IdentifierDiscoveryResult>(); - // If any OP Identifier service elements were found, we must not proceed - // to return any Claimed Identifier services. - if (endpoints.Count == 0) { - endpoints.AddRange(xrds.GenerateClaimedIdentifierServiceEndpoints(claimedIdentifier, userSuppliedIdentifier)); - } + // We used to be particular here about NOT returning any claimed identifier services + // when OP Identifier services were found, consistent with OpenID 2.0 sections 7.3.2.2 and 11.2. + // But now to enable one XRDS document to describe both the originating OP Identifier and also + // fill the role (with appropriate query strings) of a claimed identifier, we return both service + // types. The AuthenticationRequest class is now responsible to ignore claimed identifier services + // when OP Identifier services are present when formulating authentication requests. + // For a discussion on this topic and the reason for this change, see + // http://groups.google.com/group/dotnetopenid/browse_thread/thread/4b5a8c6b2210f387/5e25910e4d2252c8 + endpoints.AddRange(xrds.GenerateOPIdentifierServiceEndpoints(userSuppliedIdentifier)); + endpoints.AddRange(xrds.GenerateClaimedIdentifierServiceEndpoints(claimedIdentifier, userSuppliedIdentifier)); Logger.Yadis.DebugFormat("Total services discovered in XRDS: {0}", endpoints.Count); Logger.Yadis.Debug(endpoints.ToStringDeferred(true)); return endpoints; @@ -76,11 +80,11 @@ namespace DotNetOpenAuth.OpenId { /// <param name="xrds">The XrdsDocument instance to use in this process.</param> /// <param name="userSuppliedIdentifier">The user-supplied i-name that was used to discover this XRDS document.</param> /// <returns>A sequence of OpenID Providers that can assert ownership of the canonical ID given in this document.</returns> - internal static IEnumerable<ServiceEndpoint> CreateServiceEndpoints(this XrdsDocument xrds, XriIdentifier userSuppliedIdentifier) { + internal static IEnumerable<IdentifierDiscoveryResult> CreateServiceEndpoints(this XrdsDocument xrds, XriIdentifier userSuppliedIdentifier) { Contract.Requires<ArgumentNullException>(xrds != null); Contract.Requires<ArgumentNullException>(userSuppliedIdentifier != null); - Contract.Ensures(Contract.Result<IEnumerable<ServiceEndpoint>>() != null); - var endpoints = new List<ServiceEndpoint>(); + Contract.Ensures(Contract.Result<IEnumerable<IdentifierDiscoveryResult>>() != null); + var endpoints = new List<IdentifierDiscoveryResult>(); endpoints.AddRange(xrds.GenerateOPIdentifierServiceEndpoints(userSuppliedIdentifier)); // If any OP Identifier service elements were found, we must not proceed @@ -99,15 +103,15 @@ namespace DotNetOpenAuth.OpenId { /// <param name="xrds">The XrdsDocument instance to use in this process.</param> /// <param name="opIdentifier">The OP Identifier entered (and resolved) by the user. Essentially the user-supplied identifier.</param> /// <returns>A sequence of the providers that can offer directed identity services.</returns> - private static IEnumerable<ServiceEndpoint> GenerateOPIdentifierServiceEndpoints(this XrdsDocument xrds, Identifier opIdentifier) { + private static IEnumerable<IdentifierDiscoveryResult> GenerateOPIdentifierServiceEndpoints(this XrdsDocument xrds, Identifier opIdentifier) { Contract.Requires<ArgumentNullException>(xrds != null); Contract.Requires<ArgumentNullException>(opIdentifier != null); - Contract.Ensures(Contract.Result<IEnumerable<ServiceEndpoint>>() != null); + Contract.Ensures(Contract.Result<IEnumerable<IdentifierDiscoveryResult>>() != null); return from service in xrds.FindOPIdentifierServices() from uri in service.UriElements let protocol = Protocol.FindBestVersion(p => p.OPIdentifierServiceTypeURI, service.TypeElementUris) let providerDescription = new ProviderEndpointDescription(uri.Uri, service.TypeElementUris) - select ServiceEndpoint.CreateForProviderIdentifier(opIdentifier, providerDescription, service.Priority, uri.Priority); + select IdentifierDiscoveryResult.CreateForProviderIdentifier(opIdentifier, providerDescription, service.Priority, uri.Priority); } /// <summary> @@ -120,12 +124,12 @@ namespace DotNetOpenAuth.OpenId { /// <returns> /// A sequence of the providers that can assert ownership of the given identifier. /// </returns> - private static IEnumerable<ServiceEndpoint> GenerateClaimedIdentifierServiceEndpoints(this XrdsDocument xrds, UriIdentifier claimedIdentifier, UriIdentifier userSuppliedIdentifier) { + private static IEnumerable<IdentifierDiscoveryResult> GenerateClaimedIdentifierServiceEndpoints(this XrdsDocument xrds, UriIdentifier claimedIdentifier, UriIdentifier userSuppliedIdentifier) { return from service in xrds.FindClaimedIdentifierServices() from uri in service.UriElements where uri.Uri != null let providerEndpoint = new ProviderEndpointDescription(uri.Uri, service.TypeElementUris) - select ServiceEndpoint.CreateForClaimedIdentifier(claimedIdentifier, userSuppliedIdentifier, service.ProviderLocalIdentifier, providerEndpoint, service.Priority, uri.Priority); + select IdentifierDiscoveryResult.CreateForClaimedIdentifier(claimedIdentifier, userSuppliedIdentifier, service.ProviderLocalIdentifier, providerEndpoint, service.Priority, uri.Priority); } /// <summary> @@ -135,7 +139,7 @@ namespace DotNetOpenAuth.OpenId { /// <param name="xrds">The XrdsDocument instance to use in this process.</param> /// <param name="userSuppliedIdentifier">The i-name supplied by the user.</param> /// <returns>A sequence of the providers that can assert ownership of the given identifier.</returns> - private static IEnumerable<ServiceEndpoint> GenerateClaimedIdentifierServiceEndpoints(this XrdsDocument xrds, XriIdentifier userSuppliedIdentifier) { + private static IEnumerable<IdentifierDiscoveryResult> GenerateClaimedIdentifierServiceEndpoints(this XrdsDocument xrds, XriIdentifier userSuppliedIdentifier) { foreach (var service in xrds.FindClaimedIdentifierServices()) { foreach (var uri in service.UriElements) { // spec section 7.3.2.3 on Claimed Id -> CanonicalID substitution @@ -148,7 +152,7 @@ namespace DotNetOpenAuth.OpenId { // In the case of XRI names, the ClaimedId is actually the CanonicalID. var claimedIdentifier = new XriIdentifier(service.Xrd.CanonicalID); var providerEndpoint = new ProviderEndpointDescription(uri.Uri, service.TypeElementUris); - yield return ServiceEndpoint.CreateForClaimedIdentifier(claimedIdentifier, userSuppliedIdentifier, service.ProviderLocalIdentifier, providerEndpoint, service.Priority, uri.Priority); + yield return IdentifierDiscoveryResult.CreateForClaimedIdentifier(claimedIdentifier, userSuppliedIdentifier, service.ProviderLocalIdentifier, providerEndpoint, service.Priority, uri.Priority); } } } |