ArmedCards.Web.Controllers.AccountController.UpdatePicture C# (CSharp) Метод

        public async Task<ActionResult> UpdatePicture(string returnUrl)
        {
            string userEmail = null;

            if (Session["TempUserEmailAddress"] != null)
            {
                userEmail = Library.Helpers.EncryptUtil.Decrypt(Session["TempUserEmailAddress"] as string);

                Session.Remove("TempUserEmailAddress");
            }

            if (!string.IsNullOrWhiteSpace(userEmail) && _regexUtil.IsValidEmail(userEmail))
            {
                _updateUser.Execute(Authentication.Security.CurrentUserId, 
                    String.Format("/Account/Image?hash={0}", HttpUtility.UrlEncode(Library.Helpers.EncryptUtil.Encrypt(CalculateMD5Hash(userEmail)))));
            }

            return RedirectToLocal(returnUrl);
        }