GSF.Identity.UserInfo.GetUserPropertyValue C# (CSharp) Метод

        public string GetUserPropertyValue(string propertyName)
        {
            return m_userInfo.GetUserPropertyValue(propertyName);
        }

        public static ActionResult AuthenticateServiceAccountAction(Session session)
        {
            UserInfo serviceAccountInfo;
            IPrincipal servicePrincipal;
            string serviceAccount;
            string servicePassword;

            string[] splitServiceAccount;
            string serviceDomain = string.Empty;
            string serviceUser = string.Empty;

            bool isSystemAccount;
            bool isManagedServiceAccount;
            bool isManagedServiceAccountValid;

            session.Log("Begin AuthenticateServiceAccountAction");

            serviceAccount = session["SERVICEACCOUNT"];
            servicePassword = session["SERVICEPASSWORD"];

            splitServiceAccount = serviceAccount.Split('\\');

            switch (splitServiceAccount.Length)
            {
                case 1:
                    serviceDomain = UserInfo.CurrentUserID.Split('\\')[0];
                    serviceUser = splitServiceAccount[0];
                    break;

                case 2:
                    serviceDomain = splitServiceAccount[0];
                    serviceUser = splitServiceAccount[1];
                    break;
            }

            isSystemAccount =
                serviceAccount.Equals("LocalSystem", StringComparison.OrdinalIgnoreCase) ||
                serviceAccount.StartsWith(@"NT AUTHORITY\", StringComparison.OrdinalIgnoreCase) ||
                serviceAccount.StartsWith(@"NT SERVICE\", StringComparison.OrdinalIgnoreCase);

            isManagedServiceAccount = serviceAccount.EndsWith("$", StringComparison.Ordinal);

            if (isSystemAccount)
            {
                session["SERVICEPASSWORD"] = string.Empty;
                session["SERVICEAUTHENTICATED"] = "yes";
            }
            else if (isManagedServiceAccount)
            {
                serviceAccountInfo = new UserInfo(serviceAccount);

                isManagedServiceAccountValid = serviceAccountInfo.Exists &&
                    !serviceAccountInfo.AccountIsDisabled &&
                    !serviceAccountInfo.AccountIsLockedOut &&
                    serviceAccountInfo.GetUserPropertyValue("msDS-HostServiceAccountBL").Split(',')[0].Equals("CN=" + Environment.MachineName, StringComparison.CurrentCultureIgnoreCase);

                if (isManagedServiceAccountValid)
                {
                    session["SERVICEPASSWORD"] = string.Empty;
                    session["SERVICEAUTHENTICATED"] = "yes";
                }
                else
                {
                    session["SERVICEAUTHENTICATED"] = null;
                }
            }
            else
            {
                servicePrincipal = UserInfo.AuthenticateUser(serviceDomain, serviceUser, servicePassword);

                if ((object)servicePrincipal != null && servicePrincipal.Identity.IsAuthenticated)
                    session["SERVICEAUTHENTICATED"] = "yes";
                else
                    session["SERVICEAUTHENTICATED"] = null;
            }

            session.Log("End AuthenticateServiceAccountAction");

            return ActionResult.Success;
        }