/** This method is not adapted used in SAML_SP case. */
 void reLogginUserIfRequired(
     HttpServletRequest httpRequest,
     HttpServletResponse httpResponse,
     AuthorizationRequestData rdo,
     StringBuffer url) {
   final String userId = httpRequest.getParameter(PARAM_LOGIN_USER_ID);
   if (!ADMStringUtils.isBlank(userId)) {
     // user login data was just provided by the login dialog
     try {
       ServiceAccess serviceAccess = ServiceAccess.getServiceAcccessFor(httpRequest.getSession());
       IdentityService identityService = serviceAccess.getService(IdentityService.class);
       rdo.setUserId(userId);
       rdo.setPassword(httpRequest.getParameter(PARAM_LOGIN_PASSWORD));
       VOUser voUser = readTechnicalUserFromDb(identityService, rdo);
       serviceAccess.login(voUser, rdo.getPassword(), httpRequest, httpResponse);
       httpRequest
           .getSession()
           .setAttribute(Constants.SESS_ATTR_USER, identityService.getCurrentUserDetails());
     } catch (Exception e2) {
       httpRequest.setAttribute(Constants.REQ_ATTR_ERROR_KEY, BaseBean.ERROR_LOGIN);
       // open marketplace login dialog again and fill in
       // userId
       appendParam(
           url,
           Constants.REQ_PARAM_AUTO_OPEN_MP_LOGIN_DIALOG,
           Boolean.TRUE.toString(),
           httpRequest.getCharacterEncoding());
       appendParam(url, Constants.REQ_PARAM_USER_ID, userId, httpRequest.getCharacterEncoding());
     }
   }
 }
  protected boolean loginUser(
      FilterChain chain,
      HttpServletRequest httpRequest,
      HttpServletResponse httpResponse,
      VOUser voUser,
      AuthorizationRequestData rdo,
      IdentityService identityService)
      throws ServletException, IOException {

    HttpSession session = httpRequest.getSession();
    boolean onlyServiceLogin = BesServletRequestReader.onlyServiceLogin(session);
    String forwardUrl = (String) session.getAttribute(Constants.SESS_ATTR_FORWARD_URL);
    SessionBean sessionBean = (SessionBean) session.getAttribute(Constants.SESS_ATTR_SESSION_BEAN);

    ServiceAccess serviceAccess = ServiceAccess.getServiceAcccessFor(session);

    if (onlyServiceLogin) {
      session.setAttribute(Constants.SESS_ATTR_ONLY_SERVICE_LOGIN, Boolean.TRUE);
    }

    if (!ADMStringUtils.isBlank(forwardUrl)) {
      session.setAttribute(Constants.SESS_ATTR_FORWARD_URL, forwardUrl);
    }

    if (sessionBean != null) {
      session.setAttribute(Constants.SESS_ATTR_SESSION_BEAN, sessionBean);
    }

    if (!ADMStringUtils.isBlank(rdo.getMarketplaceId())) {
      session.setAttribute(Constants.REQ_PARAM_MARKETPLACE_ID, rdo.getMarketplaceId());
    }

    // authenticate the user
    // IMPORTANT: Changes to this method must also be applied to
    // UserBean.login()
    try {
      serviceAccess.login(voUser, rdo.getPassword(), httpRequest, httpResponse);
    } catch (CommunicationException e) {
      handleCommunicationException(chain, httpRequest, httpResponse, rdo);
      return false;
    } catch (LoginException e) {
      logger.logInfo(
          Log4jLogger.ACCESS_LOG,
          LogMessageIdentifier.INFO_USER_LOGIN_INVALID,
          httpRequest.getRemoteHost(),
          Integer.toString(httpRequest.getRemotePort()),
          StringUtils.isNotBlank(voUser.getUserId()) ? voUser.getUserId() : "",
          IPResolver.resolveIpAddress(httpRequest),
          voUser.getTenantId());
      try {
        voUser = identityService.getUser(voUser);
      } catch (ObjectNotFoundException e1) {
        handleUserNotRegistered(chain, httpRequest, httpResponse, rdo);
        return false;
      } catch (SaaSApplicationException e1) {
        setErrorAttributesAndForward(errorPage, httpRequest, httpResponse, e1);
        return false;
      }

      if (voUser.getStatus() != null
          && voUser.getStatus().getLockLevel() > UserAccountStatus.LOCK_LEVEL_LOGIN) {
        httpRequest.setAttribute(Constants.REQ_ATTR_ERROR_KEY, BaseBean.ERROR_USER_LOCKED);
        forward(errorPage, httpRequest, httpResponse);
        return false;
      }

      handleLoginException(chain, httpRequest, httpResponse, rdo);
      return false;
    }

    if (!rdo.isMarketplace()
        && !rdo.isAccessToServiceUrl() // BE09588 Login is OK if a
        // service is accessed, whose
        // subscription has no
        // marketplace
        && identityService.getCurrentUserDetails().getOrganizationRoles().size() == 1
        && identityService
            .getCurrentUserDetails()
            .getOrganizationRoles()
            .contains(OrganizationRoleType.CUSTOMER)) {
      if (ADMStringUtils.isBlank(rdo.getMarketplaceId())) {
        if (redirectToMpUrl(httpRequest, httpResponse)) {
          setupUserDetail(httpRequest, rdo, identityService, session);
          return false;
        } else {
          httpRequest.setAttribute(
              Constants.REQ_ATTR_ERROR_KEY, BaseBean.ERROR_INVALID_MARKETPLACE_URL);
          forward(BaseBean.MARKETPLACE_ERROR_PAGE, httpRequest, httpResponse);
        }
      } else {
        setupUserDetail(httpRequest, rdo, identityService, session);
        forward(BaseBean.MARKETPLACE_START_SITE, httpRequest, httpResponse);
      }
      return false;
    }

    // get the service again because the credentials have been
    // changed (important for WS usage)
    identityService = serviceAccess.getService(IdentityService.class);
    try {
      identityService.refreshLdapUser();
    } catch (ValidationException e) {
      logger.logDebug(
          "Refresh of LDAP user failed, most likely due to missing/wrong LDAP settings");
    }

    logger.logInfo(
        Log4jLogger.ACCESS_LOG,
        LogMessageIdentifier.INFO_USER_LOGIN_SUCCESS,
        StringUtils.isNotBlank(voUser.getUserId()) ? voUser.getUserId() : "",
        IPResolver.resolveIpAddress(httpRequest),
        voUser.getTenantId());
    return true;
  }