1 files changed, 41 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OAuth2/OAuth2/Messages/ScopedAccessTokenRequest.cs b/src/DotNetOpenAuth.OAuth2/OAuth2/Messages/ScopedAccessTokenRequest.cs
new file mode 100644
index 0000000..5568b1c
--- /dev/null
+++ b/src/DotNetOpenAuth.OAuth2/OAuth2/Messages/ScopedAccessTokenRequest.cs
@@ -0,0 +1,41 @@
+//-----------------------------------------------------------------------
+// <copyright file="ScopedAccessTokenRequest.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.OAuth2.Messages {
+	using System;
+	using System.Collections.Generic;
+	using DotNetOpenAuth.Messaging;
+	using DotNetOpenAuth.OAuth2.ChannelElements;
+
+	/// <summary>
+	/// An access token request that includes a scope parameter.
+	/// </summary>
+	internal abstract class ScopedAccessTokenRequest : AccessTokenRequestBase {
+		/// <summary>
+		/// Initializes a new instance of the <see cref="ScopedAccessTokenRequest"/> class.
+		/// </summary>
+		/// <param name="tokenEndpoint">The Authorization Server's access token endpoint URL.</param>
+		/// <param name="version">The version.</param>
+		internal ScopedAccessTokenRequest(Uri tokenEndpoint, Version version)
+			: base(tokenEndpoint, version) {
+			this.Scope = new HashSet<string>(OAuthUtilities.ScopeStringComparer);
+		}
+
+		/// <summary>
+		/// Gets the set of scopes the Client would like the access token to provide access to.
+		/// </summary>
+		/// <value>A set of scopes.  Never null.</value>
+		[MessagePart(Protocol.scope, IsRequired = false, Encoder = typeof(ScopeEncoder))]
+		internal HashSet<string> Scope { get; private set; }
+
+		/// <summary>
+		/// Gets the scope of operations the client is allowed to invoke.
+		/// </summary>
+		protected override HashSet<string> RequestedScope {
+			get { return this.Scope; }
+		}
+	}
+}