* @param ip the IP address to check
     * @return true if whitelisted
     */
    public boolean isWhitelisted(final String ip) {
        final Set<String> whitelist = ComponentUtil.getFessConfig().getRateLimitWhitelistIpsAsSet();
        final boolean whitelisted = whitelist.contains(ip);
        if (logger.isDebugEnabled() && whitelisted) {
            logger.debug("Whitelisted IP: ip={}", ip);
        }
        return whitelisted;

    String RATE_LIMIT_BLOCKED_IPS_SET = "rateLimitBlockedIpsSet";

    String getRateLimitWhitelistIps();

    default Set<String> getRateLimitWhitelistIpsAsSet() {
        @SuppressWarnings("unchecked")
        Set<String> set = (Set<String>) propMap.get(RATE_LIMIT_WHITELIST_IPS_SET);
        if (set == null) {
            set = split(getRateLimitWhitelistIps(), ",")

Shinsuke Sugaya <******@****.***> 1774681159 +0900