throw new SsoLoginException("unexpected set of artifacts received");
        }
    }

    /**
     * Validates the OAuth2 state parameter.
     * @param session The HTTP session containing stored state data.
     * @param state The state parameter to validate.
     * @return The validated state data.
     */
    protected StateData validateState(final HttpSession session, final String state) {

        return crawlingConfig.getConfigParameterMap(config);
    }

    /**
     * Validates if the given URL string is a valid URL.
     *
     * @param urlStr the URL string to validate
     * @return true if the URL is valid, false otherwise
     */
    protected boolean isValidUrl(final String urlStr) {
        if (StringUtil.isBlank(urlStr)) {

     * Updates the LDAP configuration.
     */
    public void updateConfig() {
        isBind = false;
    }

    /**
     * Validates the LDAP connection.
     *
     * @return True if the LDAP connection is valid, otherwise false.
     */
    protected boolean validate() {
        if (!isBind) {
            if (fessConfig.getLdapAdminSecurityPrincipal() == null || fessConfig.getLdapAdminSecurityCredentials() == null) {

            logger.warn("Failed to search documents by URL: url={}", url, e);
        }

        return new ChatSearchResult(Collections.emptyList(), null, 0L);
    }

    /**
     * Validates a query and returns an empty result if invalid, or null if validation passed.
     */
    private ChatSearchResult validateQuery(final String query) {
        if (StringUtil.isBlank(query)) {

# Object classes for LDAP admin group.
ldap.admin.group.object.classes=groupOfNames
# Whether to sync password for LDAP admin.
ldap.admin.sync.password=true

# Whether to validate LDAP authentication.
ldap.auth.validation=true
# Maximum username length for LDAP.
ldap.max.username.length=-1
# Whether to ignore NetBIOS name in LDAP.
ldap.ignore.netbios.name=true