ServiceStack Sitefinity\Auth0 Check

SitefinityJWT.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ServiceStack.Web;
using System.Diagnostics;
using Medportal.Sitefinity.Controls;
using JWT;

namespace ServiceStack.ServiceInterface
{
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = false)]
    public class SitefinityJWT : RequestFilterAttribute
    {
        public SitefinityJWT(ApplyTo applyTo)
            : base(applyTo)
        {
            this.Priority = (int) RequestFilterPriority.Authenticate;
        }

        public SitefinityJWT()
            : this(ApplyTo.All) { }

        public override void Execute(IRequest req, IResponse res, object requestDto)
        {
            if (Util.IsAnonymous)
            {
                if (req.Headers["Auth0Token"] != null)
                {
                    //Check token
                    var tokenValue = req.Headers["Auth0Token"];
                    var user = Medportal.Services.Auth.JsonWebToken.ParseToken(tokenValue, Util.MpConfig.Auth0.ClientSecret, true, true);
                    if (user.IsExpired)
                    {
                        this.BlockExpiredToken();
                    }
                    else {
                        //Do something with the user
                    }
                }
                else {
                    this.BlockAnonymous();
                }
            }
            else {
                //User is logged into SF
            }
        }

        private void BlockAnonymous()
        {
            throw new UnauthorizedAccessException("You must be logged in to access this service");
        }

        private void BlockExpiredToken()
        {
            throw new UnauthorizedAccessException("Token Expired");
        }
    }
}