1 files changed, 93 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OAuth2/OAuth2/AuthorizationState.cs b/src/DotNetOpenAuth.OAuth2/OAuth2/AuthorizationState.cs
new file mode 100644
index 0000000..bfc33aa
--- /dev/null
+++ b/src/DotNetOpenAuth.OAuth2/OAuth2/AuthorizationState.cs
@@ -0,0 +1,93 @@
+//-----------------------------------------------------------------------
+// <copyright file="AuthorizationState.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.OAuth2 {
+	using System;
+	using System.Collections.Generic;
+
+	using DotNetOpenAuth.Messaging;
+
+	/// <summary>
+	/// A simple in-memory copy of an authorization state.
+	/// </summary>
+	[Serializable]
+	public class AuthorizationState : IAuthorizationState {
+		/// <summary>
+		/// Initializes a new instance of the <see cref="AuthorizationState"/> class.
+		/// </summary>
+		/// <param name="scopes">The scopes of access being requested or that was obtained.</param>
+		public AuthorizationState(IEnumerable<string> scopes = null) {
+			this.Scope = new HashSet<string>(OAuthUtilities.ScopeStringComparer);
+			if (scopes != null) {
+				this.Scope.AddRange(scopes);
+			}
+		}
+
+		/// <summary>
+		/// Gets or sets the callback URL used to obtain authorization.
+		/// </summary>
+		/// <value>The callback URL.</value>
+		public Uri Callback { get; set; }
+
+		/// <summary>
+		/// Gets or sets the long-lived token used to renew the short-lived <see cref="AccessToken"/>.
+		/// </summary>
+		/// <value>The refresh token.</value>
+		public string RefreshToken { get; set; }
+
+		/// <summary>
+		/// Gets or sets the access token.
+		/// </summary>
+		/// <value>The access token.</value>
+		public string AccessToken { get; set; }
+
+		/// <summary>
+		/// Gets or sets the access token UTC expiration date.
+		/// </summary>
+		/// <value></value>
+		public DateTime? AccessTokenExpirationUtc { get; set; }
+
+		/// <summary>
+		/// Gets or sets the access token issue date UTC.
+		/// </summary>
+		/// <value>The access token issue date UTC.</value>
+		public DateTime? AccessTokenIssueDateUtc { get; set; }
+
+		/// <summary>
+		/// Gets the scope the token is (to be) authorized for.
+		/// </summary>
+		/// <value>The scope.</value>
+		public HashSet<string> Scope { get; private set; }
+
+		/// <summary>
+		/// Gets or sets a value indicating whether this instance is deleted.
+		/// </summary>
+		/// <value>
+		/// 	<c>true</c> if this instance is deleted; otherwise, <c>false</c>.
+		/// </value>
+		public bool IsDeleted { get; set; }
+
+		/// <summary>
+		/// Deletes this authorization, including access token and refresh token where applicable.
+		/// </summary>
+		/// <remarks>
+		/// This method is invoked when an authorization attempt fails, is rejected, is revoked, or
+		/// expires and cannot be renewed.
+		/// </remarks>
+		public virtual void Delete() {
+			this.IsDeleted = true;
+		}
+
+		/// <summary>
+		/// Saves any changes made to this authorization object's properties.
+		/// </summary>
+		/// <remarks>
+		/// This method is invoked after DotNetOpenAuth changes any property.
+		/// </remarks>
+		public virtual void SaveChanges() {
+		}
+	}
+}
+\ No newline at end of file