1 files changed, 65 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OAuth.Consumer/OAuth/MemoryTemporaryCredentialStorage.cs b/src/DotNetOpenAuth.OAuth.Consumer/OAuth/MemoryTemporaryCredentialStorage.cs
new file mode 100644
index 0000000..832084d
--- /dev/null
+++ b/src/DotNetOpenAuth.OAuth.Consumer/OAuth/MemoryTemporaryCredentialStorage.cs
@@ -0,0 +1,65 @@
+//-----------------------------------------------------------------------
+// <copyright file="MemoryTemporaryCredentialStorage.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.OAuth {
+	using System;
+	using System.Collections.Generic;
+	using System.Linq;
+	using System.Text;
+	using System.Threading.Tasks;
+
+	/// <summary>
+	/// Non-persistent memory storage for temporary credentials.
+	/// Useful for installed apps (not redirection based web apps).
+	/// </summary>
+	public class MemoryTemporaryCredentialStorage : ITemporaryCredentialStorage {
+		/// <summary>
+		/// The identifier.
+		/// </summary>
+		private string identifier;
+
+		/// <summary>
+		/// The secret.
+		/// </summary>
+		private string secret;
+
+		#region ITemporaryCredentialStorage Members
+
+		/// <summary>
+		/// Saves the specified temporary credential for later retrieval.
+		/// </summary>
+		/// <param name="identifier">The identifier.</param>
+		/// <param name="secret">The secret.</param>
+		public void SaveTemporaryCredential(string identifier, string secret) {
+			this.identifier = identifier;
+			this.secret = secret;
+		}
+
+		/// <summary>
+		/// Obtains a temporary credential secret, if available.
+		/// </summary>
+		/// <returns>
+		/// The temporary credential secret if available; otherwise <c>null</c>.
+		/// </returns>
+		public KeyValuePair<string, string> RetrieveTemporaryCredential() {
+			return new KeyValuePair<string, string>(this.identifier, this.secret);
+		}
+
+		/// <summary>
+		/// Clears the temporary credentials from storage.
+		/// </summary>
+		/// <param name="identifier">The identifier of the credentials to clear.</param>
+		/// <remarks>
+		/// DotNetOpenAuth calls this when the credentials are no longer needed.
+		/// </remarks>
+		public void ClearTemporaryCredential() {
+			this.identifier = null;
+			this.secret = null;
+		}
+
+		#endregion
+	}
+}