/// <summary> /// Generates the OpenID Providers that are capable of asserting ownership /// of a particular XRI claimed identifier. /// </summary> /// <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 <IdentifierDiscoveryResult> GenerateClaimedIdentifierServiceEndpoints(this IEnumerable <XrdElement> xrds, XriIdentifier userSuppliedIdentifier) { // Cannot use code contracts because this method uses yield return. ////Contract.Requires<ArgumentNullException>(xrds != null); ////Contract.Ensures(Contract.Result<IEnumerable<IdentifierDiscoveryResult>>() != null); ErrorUtilities.VerifyArgumentNotNull(xrds, "xrds"); foreach (var service in xrds.FindClaimedIdentifierServices()) { foreach (var uri in service.UriElements) { // spec section 7.3.2.3 on Claimed Id -> CanonicalID substitution if (service.Xrd.CanonicalID == null) { break; // skip on to next service } ErrorUtilities.VerifyProtocol(service.Xrd.IsCanonicalIdVerified, XrdsStrings.CIDVerificationFailed, userSuppliedIdentifier); // 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(IdentifierDiscoveryResult.CreateForClaimedIdentifier(claimedIdentifier, userSuppliedIdentifier, service.ProviderLocalIdentifier, providerEndpoint, service.Priority, uri.Priority)); } } }
/// <summary> /// Initializes a new instance of the <see cref="IdentifierDiscoveryResult"/> class. /// </summary> /// <param name="providerEndpoint">The provider endpoint.</param> /// <param name="claimedIdentifier">The Claimed Identifier.</param> /// <param name="userSuppliedIdentifier">The User-supplied Identifier.</param> /// <param name="providerLocalIdentifier">The Provider Local Identifier.</param> /// <param name="servicePriority">The service priority.</param> /// <param name="uriPriority">The URI priority.</param> private IdentifierDiscoveryResult(ProviderEndpointDescription providerEndpoint, Identifier claimedIdentifier, Identifier userSuppliedIdentifier, Identifier providerLocalIdentifier, int? servicePriority, int? uriPriority) { this.ProviderEndpoint = providerEndpoint.Uri; this.Capabilities = new ReadOnlyCollection<string>(providerEndpoint.Capabilities); this.Version = providerEndpoint.Version; this.ClaimedIdentifier = claimedIdentifier; this.ProviderLocalIdentifier = providerLocalIdentifier ?? claimedIdentifier; this.UserSuppliedIdentifier = userSuppliedIdentifier; this.ServicePriority = servicePriority; this.ProviderEndpointPriority = uriPriority; }
/// <summary> /// Creates a <see cref="IdentifierDiscoveryResult"/> instance to represent some Claimed Identifier. /// </summary> /// <param name="claimedIdentifier">The claimed identifier.</param> /// <param name="userSuppliedIdentifier">The user supplied identifier.</param> /// <param name="providerLocalIdentifier">The provider local identifier.</param> /// <param name="providerEndpoint">The provider endpoint.</param> /// <param name="servicePriority">The service priority.</param> /// <param name="uriPriority">The URI priority.</param> /// <returns>The created <see cref="IdentifierDiscoveryResult"/> instance</returns> internal static IdentifierDiscoveryResult CreateForClaimedIdentifier(Identifier claimedIdentifier, Identifier userSuppliedIdentifier, Identifier providerLocalIdentifier, ProviderEndpointDescription providerEndpoint, int? servicePriority, int? uriPriority) { return new IdentifierDiscoveryResult(providerEndpoint, claimedIdentifier, userSuppliedIdentifier, providerLocalIdentifier, servicePriority, uriPriority); }
/// <summary> /// Creates a <see cref="IdentifierDiscoveryResult"/> instance to represent some OP Identifier. /// </summary> /// <param name="providerIdentifier">The provider identifier (actually the user-supplied identifier).</param> /// <param name="providerEndpoint">The provider endpoint.</param> /// <param name="servicePriority">The service priority.</param> /// <param name="uriPriority">The URI priority.</param> /// <returns>The created <see cref="IdentifierDiscoveryResult"/> instance</returns> internal static IdentifierDiscoveryResult CreateForProviderIdentifier(Identifier providerIdentifier, ProviderEndpointDescription providerEndpoint, int? servicePriority, int? uriPriority) { Protocol protocol = Protocol.Lookup(providerEndpoint.Version); return new IdentifierDiscoveryResult( providerEndpoint, protocol.ClaimedIdentifierForOPIdentifier, providerIdentifier, protocol.ClaimedIdentifierForOPIdentifier, servicePriority, uriPriority); }