public override void OnActionExecuting(HttpActionContext actionContext)
        {
            if (actionContext.Request.Headers.Authorization == null)
            {
                actionContext.Response = new System.Net.Http.HttpResponseMessage(HttpStatusCode.Unauthorized);
            }
            else
            {
                string authToken = actionContext.Request.Headers.Authorization.Parameter;
                //string decodedToken =
                string DeviceId = Encoding.UTF8.GetString(Convert.FromBase64String(authToken)); ; //will contain the decrypted authToken

                summonersRepository dataLayer = new summonersRepository();
                Summoner summoner = dataLayer.ValidateUser(DeviceId);

                if (summoner == null) //not authorized
                {
                    actionContext.Response = new System.Net.Http.HttpResponseMessage(HttpStatusCode.Unauthorized);
                }
                else
                {
                    HttpContext.Current.User = new GenericPrincipal(new ServiceUser(summoner), new string[] { });

                    base.OnActionExecuting(actionContext);
                }
            }
        }