/BlogEngine/DotNetSlave.BusinessLogic/Security/CustomPrincipal.cs

namespace BlogEngine.Core

{

    using System;

    using System.Collections.Generic;

    using System.Linq;

    using System.Text;

    using System.Security.Principal;

    using System.Web.Security;



    public class CustomPrincipal : IPrincipal

    {

        private IIdentity _identity;

        public IIdentity Identity

        {

            get { return _identity; }

        }



        public bool IsInRole(string roleName)

        { 

            if (Identity == null || !Identity.IsAuthenticated || string.IsNullOrEmpty(Identity.Name))

                return false;



            // Note: Cannot use "Security.CurrentUser.IsInRole" or anything similar since

            // Security.CurrentUser.IsInRole will look to this IsInRole() method here --

            // resulting in an endless loop.  Need to query the role provider directly.



            return Roles.IsUserInRole(Identity.Name, roleName);

        }



        public CustomPrincipal(IIdentity identity)

        {

            _identity = identity;

        }

    }

}