1 files changed, 108 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OAuth2/OAuth2/ChannelElements/OAuth2AuthorizationServerChannel.cs b/src/DotNetOpenAuth.OAuth2/OAuth2/ChannelElements/OAuth2AuthorizationServerChannel.cs
new file mode 100644
index 0000000..0c31023
--- /dev/null
+++ b/src/DotNetOpenAuth.OAuth2/OAuth2/ChannelElements/OAuth2AuthorizationServerChannel.cs
@@ -0,0 +1,108 @@
+//-----------------------------------------------------------------------
+// <copyright file="OAuth2AuthorizationServerChannel.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.OAuth2.ChannelElements {
+	using System;
+	using System.Collections.Generic;
+	using System.Diagnostics.Contracts;
+	using System.Net.Mime;
+	using System.Web;
+	using DotNetOpenAuth.Messaging;
+
+	/// <summary>
+	/// The channel for the OAuth protocol.
+	/// </summary>
+	internal class OAuth2AuthorizationServerChannel : OAuth2ChannelBase {
+		/// <summary>
+		/// Initializes a new instance of the <see cref="OAuth2AuthorizationServerChannel"/> class.
+		/// </summary>
+		/// <param name="authorizationServer">The authorization server.</param>
+		protected internal OAuth2AuthorizationServerChannel(IAuthorizationServer authorizationServer)
+			: base(InitializeBindingElements(authorizationServer)) {
+			Requires.NotNull(authorizationServer, "authorizationServer");
+			this.AuthorizationServer = authorizationServer;
+		}
+
+		/// <summary>
+		/// Gets the authorization server.
+		/// </summary>
+		/// <value>The authorization server.</value>
+		public IAuthorizationServer AuthorizationServer { get; private set; }
+
+		/// <summary>
+		/// Gets the protocol message that may be in the given HTTP response.
+		/// </summary>
+		/// <param name="response">The response that is anticipated to contain an protocol message.</param>
+		/// <returns>
+		/// The deserialized message parts, if found.  Null otherwise.
+		/// </returns>
+		/// <exception cref="ProtocolException">Thrown when the response is not valid.</exception>
+		protected override IDictionary<string, string> ReadFromResponseCore(IncomingWebResponse response) {
+			throw new NotImplementedException();
+		}
+
+		/// <summary>
+		/// Queues a message for sending in the response stream.
+		/// </summary>
+		/// <param name="response">The message to send as a response.</param>
+		/// <returns>
+		/// The pending user agent redirect based message to be sent as an HttpResponse.
+		/// </returns>
+		/// <remarks>
+		/// This method implements spec OAuth V1.0 section 5.3.
+		/// </remarks>
+		protected override OutgoingWebResponse PrepareDirectResponse(IProtocolMessage response) {
+			var webResponse = new OutgoingWebResponse();
+			string json = this.SerializeAsJson(response);
+			webResponse.SetResponse(json, new ContentType(JsonEncoded));
+			return webResponse;
+		}
+
+		/// <summary>
+		/// Gets the protocol message that may be embedded in the given HTTP request.
+		/// </summary>
+		/// <param name="request">The request to search for an embedded message.</param>
+		/// <returns>
+		/// The deserialized message, if one is found.  Null otherwise.
+		/// </returns>
+		protected override IDirectedProtocolMessage ReadFromRequestCore(HttpRequestInfo request) {
+			if (!string.IsNullOrEmpty(request.Url.Fragment)) {
+				var fields = HttpUtility.ParseQueryString(request.Url.Fragment.Substring(1)).ToDictionary();
+
+				MessageReceivingEndpoint recipient;
+				try {
+					recipient = request.GetRecipient();
+				} catch (ArgumentException ex) {
+					Logger.Messaging.WarnFormat("Unrecognized HTTP request: " + ex.ToString());
+					return null;
+				}
+
+				return (IDirectedProtocolMessage)this.Receive(fields, recipient);
+			}
+
+			return base.ReadFromRequestCore(request);
+		}
+
+		/// <summary>
+		/// Initializes the binding elements for the OAuth channel.
+		/// </summary>
+		/// <param name="authorizationServer">The authorization server.</param>
+		/// <returns>
+		/// An array of binding elements used to initialize the channel.
+		/// </returns>
+		private static IChannelBindingElement[] InitializeBindingElements(IAuthorizationServer authorizationServer) {
+			Requires.NotNull(authorizationServer, "authorizationServer");
+			var bindingElements = new List<IChannelBindingElement>();
+
+			bindingElements.Add(new AuthServerAllFlowsBindingElement());
+			bindingElements.Add(new AuthorizationCodeBindingElement());
+			bindingElements.Add(new AccessTokenBindingElement());
+			bindingElements.Add(new AccessRequestBindingElement());
+
+			return bindingElements.ToArray();
+		}
+	}
+}