messages.addErrorsNoUserForChangingPassword(GLOBAL);
            }, validationErrorLambda);
            return null;
        });
    }

    private OptionalThing<HttpSession> getSession() {
        final HttpSession session = request.getSession(false);
        if (session != null) {
            return OptionalEntity.of(session);
        }
        return OptionalEntity.empty();
    }

                response.flushBuffer();
                return;
            }
            HttpSession ssn = request.getSession();
            ssn.setAttribute("NtlmHttpAuth", ntlm);
            ssn.setAttribute( "ntlmdomain", ntlm.getDomain() );
            ssn.setAttribute( "ntlmuser", ntlm.getUsername() );
        } else {
            HttpSession ssn = request.getSession(false);

                return;
            }
            HttpSession ssn = request.getSession();
            ssn.setAttribute("NtlmHttpAuth", ntlm);
            ssn.setAttribute("ntlmdomain", ntlm.getUserDomain());
            ssn.setAttribute("ntlmuser", ntlm.getUsername());
        }
        else {
            HttpSession ssn = request.getSession(false);

import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

public class UserInfoHelper {
    protected static final String USER_BEAN = "lastaflute.action.USER_BEAN.FessUserBean";

    protected int resultDocIdsCacheSize = 20;

    protected String cookieName = "fsid";