1 files changed, 81 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OAuth2/OAuth2/Messages/EndUserAuthorizationFailedResponse.cs b/src/DotNetOpenAuth.OAuth2/OAuth2/Messages/EndUserAuthorizationFailedResponse.cs
new file mode 100644
index 0000000..ecf3254
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+++ b/src/DotNetOpenAuth.OAuth2/OAuth2/Messages/EndUserAuthorizationFailedResponse.cs
@@ -0,0 +1,81 @@
+//-----------------------------------------------------------------------
+// <copyright file="EndUserAuthorizationFailedResponse.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.OAuth2.Messages {
+	using System;
+	using System.Collections.Generic;
+	using System.Diagnostics.Contracts;
+	using System.Linq;
+	using System.Runtime.Remoting.Messaging;
+	using System.Text;
+	using DotNetOpenAuth.Messaging;
+
+	/// <summary>
+	/// The message that an Authorization Server responds to a Client with when the user denies a user authorization request.
+	/// </summary>
+	public class EndUserAuthorizationFailedResponse : MessageBase, IMessageWithClientState {
+		/// <summary>
+		/// Initializes a new instance of the <see cref="EndUserAuthorizationFailedResponse"/> class.
+		/// </summary>
+		/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
+		/// <param name="version">The protocol version.</param>
+		internal EndUserAuthorizationFailedResponse(Uri clientCallback, Version version)
+			: base(version, MessageTransport.Indirect, clientCallback) {
+			Requires.NotNull(version, "version");
+			Requires.NotNull(clientCallback, "clientCallback");
+		}
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="EndUserAuthorizationFailedResponse"/> class.
+		/// </summary>
+		/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
+		/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
+		internal EndUserAuthorizationFailedResponse(Uri clientCallback, EndUserAuthorizationRequest request)
+			: base(((IProtocolMessage)request).Version, MessageTransport.Indirect, clientCallback) {
+			Requires.NotNull(request, "request");
+			((IMessageWithClientState)this).ClientState = request.ClientState;
+		}
+
+		/// <summary>
+		/// Gets or sets the error.
+		/// </summary>
+		/// <value>
+		/// One of the values given in <see cref="Protocol.EndUserAuthorizationRequestErrorCodes"/>.
+		/// OR a numerical HTTP status code from the 4xx or 5xx
+		/// range, with the exception of the 400 (Bad Request) and
+		/// 401 (Unauthorized) status codes.  For example, if the
+		/// service is temporarily unavailable, the authorization
+		/// server MAY return an error response with "error" set to
+		/// "503".
+		/// </value>
+		[MessagePart(Protocol.error, IsRequired = true)]
+		public string Error { get; set; }
+
+		/// <summary>
+		/// Gets or sets a human readable description of the error.
+		/// </summary>
+		/// <value>Human-readable text providing additional information, used to assist in the understanding and resolution of the error that occurred.</value>
+		[MessagePart(Protocol.error_description, IsRequired = false)]
+		public string ErrorDescription { get; set; }
+
+		/// <summary>
+		/// Gets or sets the location of the web page that describes the error and possible resolution.
+		/// </summary>
+		/// <value>A URI identifying a human-readable web page with information about the error, used to provide the end-user with additional information about the error.</value>
+		[MessagePart(Protocol.error_uri, IsRequired = false)]
+		public Uri ErrorUri { get; set; }
+
+		/// <summary>
+		/// Gets or sets some state as provided by the client in the authorization request.
+		/// </summary>
+		/// <value>An opaque value defined by the client.</value>
+		/// <remarks>
+		/// REQUIRED if the Client sent the value in the <see cref="EndUserAuthorizationRequest"/>.
+		/// </remarks>
+		[MessagePart(Protocol.state, IsRequired = false)]
+		string IMessageWithClientState.ClientState { get; set; }
+	}
+}