Global.asax handle Application_AuthenticateRequest

Application_AuthenticateRequest.cs

protected void Application_AuthenticateRequest(Object sender, EventArgs e)
{
	if (HttpContext.Current.User == null) return;
	if (!HttpContext.Current.User.Identity.IsAuthenticated) return;
	var id = HttpContext.Current.User.Identity as FormsIdentity;
	if (id == null) return;

	FormsAuthenticationTicket ticket = id.Ticket;
	string userData = ticket.UserData;
	string[] roles = userData.Split(',');
	HttpContext.Current.User = new GenericPrincipal(id, roles);
}