protected void Application_AuthenticateRequest(object sender, EventArgs e) { var authCookie = HttpContext.Current.Request.Cookies[FormsAuthentication.FormsCookieName]; if (authCookie != null) { var ticket = FormsAuthentication.Decrypt(authCookie.Value); FormsIdentity formsIdentity = new FormsIdentity(ticket); ClaimsIdentity claimsIdentity = new ClaimsIdentity(formsIdentity); using (InfoVideoEntities db = new InfoVideoEntities()) { var user = db.Users.FirstOrDefault(u => u.Login == ticket.Name); if (user == null) { return; } claimsIdentity.AddClaim( new Claim(ClaimTypes.Role, (user.Roles?.Name ?? "User"))); } ClaimsPrincipal claimsPrincipal = new ClaimsPrincipal(claimsIdentity); HttpContext.Current.User = claimsPrincipal; } }