Merge pull request #70 from EugeneZhudro/master

Fix  AssertionConsumerServiceURL

Author: Revsgaard

src/ITfoxtec.Identity.Saml2/Request/Saml2AuthnRequest.cs

@@ -55,6 +55,15 @@ public class Saml2AuthnRequest : Saml2Request
         /// </summary>
         public Uri AssertionConsumerServiceUrl { get; set; }
 
+        /// <summary>
+        /// [Optional]
+        ///A URI reference that identifies a SAML protocol binding to be used when returning the &lt;Response&gt; 
+        ///message.See[SAMLBind] for more information about protocol bindings and URI references defined 
+        ///for them.This attribute is mutually exclusive with the AssertionConsumerServiceIndex attribute
+        ///and is typically accompanied by the AssertionConsumerServiceURL attribute.
+        /// </summary>
+        public Uri ProtocolBinding { get; set; }
+
         /// <summary>
         /// [Optional]
         /// If present, specifies a filter for possible responses. Such a query asks the question "What assertions
@@ -110,6 +119,11 @@ protected override IEnumerable<XObject> GetXContent()
                 yield return new XAttribute(Saml2Constants.Message.AssertionConsumerServiceURL, AssertionConsumerServiceUrl);
             }
 
+            if (ProtocolBinding != null)
+            {
+                yield return new XAttribute(Saml2Constants.Message.ProtocolBinding, ProtocolBinding);
+            }
+
             if (Subject != null)
             {
                 yield return Subject.ToXElement();
@@ -134,7 +148,9 @@ protected internal override void Read(string xml, bool validateXmlSignature = fa
 
             IsPassive = XmlDocument.DocumentElement.Attributes[Saml2Constants.Message.IsPassive].GetValueOrNull<bool>();
 
-            AssertionConsumerServiceUrl = XmlDocument.DocumentElement[Saml2Constants.Message.AssertionConsumerServiceURL, Saml2Constants.AssertionNamespace.OriginalString].GetValueOrNull<Uri>();
+            AssertionConsumerServiceUrl = XmlDocument.DocumentElement.Attributes[Saml2Constants.Message.AssertionConsumerServiceURL].GetValueOrNull<Uri>();
+
+            ProtocolBinding = XmlDocument.DocumentElement.Attributes[Saml2Constants.Message.ProtocolBinding].GetValueOrNull<Uri>();
 
             Subject = XmlDocument.DocumentElement[Saml2Constants.Message.Subject, Saml2Constants.AssertionNamespace.OriginalString].GetElementOrNull<Subject>();
 

src/ITfoxtec.Identity.Saml2/Schemas/Saml2Constants.cs

@@ -93,6 +93,8 @@ public static class Message
 
             internal const string AssertionConsumerServiceURL = "AssertionConsumerServiceURL";
 
+            internal const string ProtocolBinding = "ProtocolBinding";
+
             internal const string RequestedAuthnContext = "RequestedAuthnContext";
 
             internal const string Comparison = "Comparison";