Metadata read AssertionConsumerService IsDefault and Index.

Author: Revsgaard

src/ITfoxtec.Identity.Saml2/Schemas/Metadata/AssertionConsumerService.cs

@@ -34,6 +34,13 @@ public class AssertionConsumerService
         /// </summary>
         public bool IsDefault { get; set; } = true;
 
+        /// <summary>
+        /// [Calculated]
+        /// A required attribute that assigns a unique integer value to the endpoint so that it can be
+        /// referenced in a protocol message.
+        /// </summary>
+        public int Index { get; internal set; }
+
         public XElement ToXElement(int index)
         {
             var envelope = new XElement(Saml2MetadataConstants.MetadataNamespaceX + elementName);

src/ITfoxtec.Identity.Saml2/Schemas/Metadata/SPSsoDescriptor.cs

@@ -148,6 +148,8 @@ protected IEnumerable<AssertionConsumerService> ReadAcsService(XmlNodeList acsEl
                 {
                     Binding = singleLogoutServiceElement.Attributes[Saml2MetadataConstants.Message.Binding].GetValueOrNull<Uri>(),
                     Location = singleLogoutServiceElement.Attributes[Saml2MetadataConstants.Message.Location].GetValueOrNull<Uri>(),
+                    IsDefault = singleLogoutServiceElement.Attributes[Saml2MetadataConstants.Message.IsDefault].GetValueOrNull<bool>(),
+                    Index = singleLogoutServiceElement.Attributes[Saml2MetadataConstants.Message.Index].GetValueOrNull<int>(),
                 };
             }
         }

test/TestIdPCore/Controllers/AuthController.cs

@@ -147,7 +147,7 @@ private RelyingParty ValidateRelyingParty(string issuer)
                         if (entityDescriptor.SPSsoDescriptor != null)
                         {
                             rp.Issuer = entityDescriptor.EntityId;
-                            rp.SingleSignOnDestination = entityDescriptor.SPSsoDescriptor.AssertionConsumerServices.First().Location;
+                            rp.SingleSignOnDestination = entityDescriptor.SPSsoDescriptor.AssertionConsumerServices.Where(a => a.IsDefault).OrderBy(a => a.Index).First().Location;
                             var singleLogoutService = entityDescriptor.SPSsoDescriptor.SingleLogoutServices.First();
                             rp.SingleLogoutResponseDestination = singleLogoutService.ResponseLocation ?? singleLogoutService.Location;
                             rp.SignatureValidationCertificate = entityDescriptor.SPSsoDescriptor.SigningCertificates.First();

test/TestWebAppCore/Controllers/MetadataController.cs

@@ -46,7 +46,8 @@ public IActionResult Index()
                 NameIDFormats = new Uri[] { NameIdentifierFormats.X509SubjectName },
                 AssertionConsumerServices = new AssertionConsumerService[]
                 {
-                    new AssertionConsumerService { Binding = ProtocolBindings.HttpPost, Location = new Uri(defaultSite, "Auth/AssertionConsumerService") }
+                    new AssertionConsumerService { Binding = ProtocolBindings.HttpPost, Location = new Uri(defaultSite, "Auth/AssertionConsumerService") },
+                    new AssertionConsumerService { Binding = ProtocolBindings.HttpPost, Location = new Uri(defaultSite, "Auth/AssertionConsumerService-test"), IsDefault = false }
                 },
                 AttributeConsumingServices = new AttributeConsumingService[]
                 {