3nth

public class AutofacConfig
{
    public static void Configure()
    {
        var builder = new ContainerBuilder();
        builder.RegisterType<ApplicationDbContext>().AsSelf().InstancePerLifetimeScope();
        
        builder.RegisterType<ApplicationUserStore>().As<IUserStore<PortalUser>>().InstancePerLifetimeScope();
        builder.RegisterType<ApplicationUserManager>().AsSelf().InstancePerLifetimeScope();
        builder.RegisterType<ApplicationSignInManager>().AsSelf().InstancePerLifetimeScope();

3nth

    public class AddCsrfTokenHeader:ActionFilterAttribute
    {
        public override void OnResultExecuted(ResultExecutedContext filterContext)
        {
            HttpCookie cookie = null;
            
            // First, try and get cookie from Response. That'll be a new cookie
            if (filterContext.HttpContext.Response.Cookies.AllKeys.Contains(AntiForgeryConfig.CookieName))
            {
                cookie = filterContext.HttpContext.Response.Cookies.Get(AntiForgeryConfig.CookieName);