Update get token response to include auth info (#5378)

* Update get token response to include auth info

* Update token response

* Update response

Author: stevejgordon

src/Nest/XPack/Security/User/GetUserAccessToken/GetUserAccessTokenResponse.cs

@@ -2,7 +2,9 @@
 // Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
 // See the LICENSE file in the project root for more information
 
+using System.Collections.Generic;
 using System.Runtime.Serialization;
+using Elasticsearch.Net;
 
 namespace Nest
 {
@@ -19,5 +21,46 @@ public class GetUserAccessTokenResponse : ResponseBase
 
 		[DataMember(Name ="type")]
 		public string Type { get; set; }
+
+		[DataMember(Name = "authentication")]
+		public Authentication Authentication { get; set; }
+	}
+
+	public class Authentication
+	{
+		[DataMember(Name = "email")]
+		public string Email { get; internal set; }
+
+		[DataMember(Name = "full_name")]
+		public string FullName { get; internal set; }
+
+		[DataMember(Name = "metadata")]
+		public IReadOnlyDictionary<string, object> Metadata { get; internal set; }
+			= EmptyReadOnly<string, object>.Dictionary;
+
+		[DataMember(Name = "roles")]
+		public IReadOnlyCollection<string> Roles { get; internal set; }
+			= EmptyReadOnly<string>.Collection;
+
+		[DataMember(Name = "username")]
+		public string Username { get; internal set; }
+
+		[DataMember(Name = "authentication_realm")]
+		public AuthenticationRealmInfo AuthenticationRealm { get; internal set; }
+
+		[DataMember(Name = "lookup_realm")]
+		public AuthenticationRealmInfo LookupRealm { get; internal set; }
+
+		[DataMember(Name = "authentication_type")]
+		public string AuthenticationType { get; internal set; }
+	}
+
+	public class AuthenticationRealmInfo
+	{
+		[DataMember(Name = "name")]
+		public string Name { get; internal set; }
+
+		[DataMember(Name = "type")]
+		public string Type { get; internal set; }
 	}
 }

tests/Tests/XPack/Security/User/GetUserAccessToken/GetUserAccessTokenApiTests.cs

@@ -7,6 +7,8 @@
 using Elasticsearch.Net;
 using FluentAssertions;
 using Nest;
+using Tests.Configuration;
+using Tests.Core.Extensions;
 using Tests.Framework.EndpointTests;
 using Tests.Framework.EndpointTests.TestState;
 using static Elastic.Elasticsearch.Ephemeral.ClusterAuthentication;
@@ -63,6 +65,13 @@ protected override void ExpectResponse(GetUserAccessTokenResponse response)
 			response.Type.Should().NotBeNullOrEmpty().And.Be("Bearer");
 			response.ExpiresIn.Should().BeGreaterThan(0);
 			response.Scope.Should().Be("full");
+
+			if (TestConfiguration.Instance.InRange(">=7.11.0"))
+			{
+				response.Authentication.Should().NotBeNull();
+				response.Authentication.Username.Should().NotBeNullOrEmpty();
+				response.Authentication.Roles.Count.Should().BeGreaterThan(0);
+			}
 		}
 	}