1 files changed, 51 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OpenId/OpenId/RelyingParty/ISetupRequiredAuthenticationResponse.cs b/src/DotNetOpenAuth.OpenId/OpenId/RelyingParty/ISetupRequiredAuthenticationResponse.cs
new file mode 100644
index 0000000..cfbccef
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+++ b/src/DotNetOpenAuth.OpenId/OpenId/RelyingParty/ISetupRequiredAuthenticationResponse.cs
@@ -0,0 +1,51 @@
+//-----------------------------------------------------------------------
+// <copyright file="ISetupRequiredAuthenticationResponse.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.OpenId.RelyingParty {
+	using System;
+	using System.Diagnostics.Contracts;
+
+	/// <summary>
+	/// An interface to expose useful properties and functionality for handling
+	/// authentication responses that are returned from Immediate authentication
+	/// requests that require a subsequent request to be made in non-immediate mode.
+	/// </summary>
+	[ContractClass(typeof(ISetupRequiredAuthenticationResponseContract))]
+	public interface ISetupRequiredAuthenticationResponse {
+		/// <summary>
+		/// Gets the <see cref="Identifier"/> to pass to <see cref="OpenIdRelyingParty.CreateRequest(Identifier)"/>
+		/// in a subsequent authentication attempt.
+		/// </summary>
+		Identifier UserSuppliedIdentifier { get; }
+	}
+
+	/// <summary>
+	/// Code contract class for the <see cref="ISetupRequiredAuthenticationResponse"/> type.
+	/// </summary>
+	[ContractClassFor(typeof(ISetupRequiredAuthenticationResponse))]
+	internal abstract class ISetupRequiredAuthenticationResponseContract : ISetupRequiredAuthenticationResponse {
+		/// <summary>
+		/// Initializes a new instance of the <see cref="ISetupRequiredAuthenticationResponseContract"/> class.
+		/// </summary>
+		protected ISetupRequiredAuthenticationResponseContract() {
+		}
+
+		#region ISetupRequiredAuthenticationResponse Members
+
+		/// <summary>
+		/// Gets the <see cref="Identifier"/> to pass to <see cref="OpenIdRelyingParty.CreateRequest(Identifier)"/>
+		/// in a subsequent authentication attempt.
+		/// </summary>
+		Identifier ISetupRequiredAuthenticationResponse.UserSuppliedIdentifier {
+			get {
+				Contract.Requires<InvalidOperationException>(((IAuthenticationResponse)this).Status == AuthenticationStatus.SetupRequired, OpenIdStrings.OperationOnlyValidForSetupRequiredState);
+				throw new System.NotImplementedException();
+			}
+		}
+
+		#endregion
+	}
+}