public class CommonAuthorize : AuthorizeAttribute

    {

        protected override bool AuthorizeCore(HttpContextBase httpContext)

        {

            return UserHelper.CurrentUser != null;

        }

        public override void OnAuthorization(AuthorizationContext filterContext)

        {

            if (!filterContext.ActionDescriptor.IsDefined(typeof(AllowAnonymousAttribute), true) && !filterContext.ActionDescriptor.ControllerDescriptor.IsDefined(typeof(AllowAnonymousAttribute), true))

            {

                if (UserHelper.CurrentUser == null)

                {

                    filterContext.Result = new RedirectResult(string.Format("/OAuth2/IndexUserInfo?returnUrl={0}", filterContext.HttpContext.Request.RawUrl));

                }

            }

        }

    }

[CommonAuthorize]

    public class BaseController : Controller

    {}