Two things:

* User views its devices, from a /manage index link
* Yavsc.Server resurection

Yavsc.Server/Models/Auth/ExternalViewModel.cs

@@ -0,0 +1,33 @@
+
+using System.ComponentModel.DataAnnotations;
+
+namespace Yavsc.Models.Auth {
+
+public class ExternalLoginViewModel
+    {
+        public string Name { get; set; }
+
+        public string Url { get; set; }
+
+        public string State { get; set; }
+    }
+
+    public class RegisterExternalBindingModel
+    {
+        [Required]
+        public string UserName { get; set; }
+
+         [Required]
+        public string Provider { get; set; }
+
+         [Required]
+         public string ExternalAccessToken { get; set; }
+
+    }
+
+    public class ParsedExternalAccessToken
+    {
+        public string user_id { get; set; }
+        public string app_id { get; set; }
+    }
+}