Filters/MembershipAttribute.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace NewsMangaerSystem.Filters
{
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
    public class MembershipAttribute : ActionFilterAttribute
    {
        public override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            if (filterContext.HttpContext.Session["AdminModel"] != null)
            {
                if (filterContext.HttpContext.Request.IsAjaxRequest()) return;
                Mr.Model.Admin model = (Mr.Model.Admin)filterContext.HttpContext.Session["AdminModel"];
                List<Mr.Model.RoleView> list = (List<Mr.Model.RoleView>)filterContext.HttpContext.Session["UserRoles"];

                string routeStr = filterContext.Controller.ControllerContext.RouteData.Values["controller"] + "/" + filterContext.Controller.ControllerContext.RouteData.Values["action"];
                int i = list.Where(c => c.RoleAction == routeStr).Count();
                if (i < 1)
                {
                    filterContext.Result = new RedirectResult("/Admin/Check");
                }
            }
            else
            {
                filterContext.Result = new RedirectResult("/Admin/Check");
            }
        }
    }
}