1 files changed, 28 insertions, 0 deletions
diff --git a/src/OAuth/OAuthServiceProvider/Code/Utilities.cs b/src/OAuth/OAuthServiceProvider/Code/Utilities.cs
new file mode 100644
index 0000000..a225650
--- /dev/null
+++ b/src/OAuth/OAuthServiceProvider/Code/Utilities.cs
@@ -0,0 +1,28 @@
+namespace OAuthServiceProvider.Code {
+	using System;
+	using System.Collections.Generic;
+	using System.Linq;
+	using System.Security.Principal;
+	using System.Web;
+
+	/// <summary>
+	/// Extension methods and other helpful utility methods.
+	/// </summary>
+	public static class Utilities {
+		/// <summary>
+		/// Gets the database entity representing the user identified by a given <see cref="IIdentity"/> instance.
+		/// </summary>
+		/// <param name="identity">The identity of the user.</param>
+		/// <returns>
+		/// The database object for that user; or <c>null</c> if the user could not
+		/// be found or if <paramref name="identity"/> is <c>null</c> or represents an anonymous identity.
+		/// </returns>
+		public static User GetUser(this IIdentity identity) {
+			if (identity == null || !identity.IsAuthenticated) {
+				return null;
+			}
+
+			return Global.DataContext.Users.SingleOrDefault(user => user.OpenIDClaimedIdentifier == identity.Name);
+		}
+	}
+}
+\ No newline at end of file