imported signalr 1.1.3 into NzbDrone.

src/Microsoft.AspNet.SignalR.Owin/RequestExtensions.cs

@@ -0,0 +1,29 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.md in the project root for license information.
+
+using System;
+using System.Collections.Generic;
+using Microsoft.AspNet.SignalR.Owin;
+
+namespace Microsoft.AspNet.SignalR
+{
+    public static class RequestExtensions
+    {
+        public static T GetOwinVariable<T>(this IRequest request, string key)
+        {
+            if (request == null)
+            {
+                throw new ArgumentNullException("request");
+            }
+
+            var env = request.Items.Get<IDictionary<string, object>>(ServerRequest.OwinEnvironmentKey);
+
+            return env == null ? default(T) : env.Get<T>(key);
+        }
+
+        private static T Get<T>(this IDictionary<string, object> values, string key)
+        {
+            object value;
+            return values.TryGetValue(key, out value) ? (T)value : default(T);
+        }
+    }
+}