A half-baked authorize attribute example

JeffAuthorizeAttribute

    public class JeffAuthorizeAttribute : ActionFilterAttribute
    {

        #region Fields

        private Permissions _Required;

        #endregion
        
        public JeffAuthorizeAttribute(Permissions requiredPerm)
        {
            _Required = requiredPerm;
        }

        public override void OnActionExecuting(ActionExecutingContext filterContext)
        {

            var baseController = filterContext.Controller as BaseController;
            var notAuthorizedResult = new RedirectToRouteResult(new RouteValueDictionary() { { "controller", "Home" }, { "action", "NotAuthorized" } });

            int pVal = (int) _Required;
            var perm = PermissionList.Available.First(p => p.Id == pVal);

            if (baseController == null || baseController.JeffUser == null)
            {
                filterContext.Result = notAuthorizedResult;
            }
            else if (!baseController.JeffUser.IsAllowed(perm))
            {
                filterContext.Result = notAuthorizedResult;
            }
            else
            {
                base.OnActionExecuting(filterContext);
            }

        }

    }