}

    private void cleanupOldRateLimitCounters(long currentWindow) {
        // Clean up counters from previous windows to prevent memory leaks
        rateLimitCounters.entrySet().removeIf(entry -> {
            String key = entry.getKey();
            int lastUnderscore = key.lastIndexOf('_');
            if (lastUnderscore > 0) {
                try {

        // Wipe all raw keys
        for (Map.Entry<String, byte[]> entry : rawKeys.entrySet()) {
            Arrays.fill(entry.getValue(), (byte) 0);
        }
        rawKeys.clear();

        // Destroy all secret keys
        for (Map.Entry<String, SecretKey> entry : sessionKeys.entrySet()) {
            SecretKey key = entry.getValue();
            if (key instanceof Destroyable) {

     * Clean up expired cache entries
     */
    private void cleanupExpiredEntries() {
        List<String> expiredPaths = new ArrayList<>();

        for (Map.Entry<String, DirectoryCacheEntry> entry : directoryCache.entrySet()) {
            if (entry.getValue().isExpired()) {
                expiredPaths.add(entry.getKey());
            }
        }

        for (String path : expiredPaths) {

     *
     * @return An array of pairs of keys and file names.
     */
    @SuppressWarnings("unchecked")
    public Pair<String, String>[] getDesignJspFileNames() {
        return designJspFileNameMap.entrySet().stream().map(e -> new Pair<>(e.getKey(), e.getValue())).toArray(n -> new Pair[n]);
    }

    /**
     * Refreshes the design JSP files for all virtual hosts.
     *

        lock.writeLock().lock();
        try {
            long now = System.currentTimeMillis();
            int cleaned = 0;

            for (Map.Entry<Smb2LeaseKey, LeaseEntry> entry : leases.entrySet()) {
                if (now - entry.getValue().getLastAccessTime() > maxAgeMillis) {
                    leases.remove(entry.getKey());
                    pathToLease.remove(entry.getValue().getPath());

        // Clean up account attempts
        accountAttempts.entrySet().removeIf(entry -> {
            AccountAttempts account = entry.getValue();
            return !account.isLockedOut() && account.getLastAttempt().plus(cleanupInterval).isBefore(now);
        });

        // Clean up IP attempts
        ipAttempts.entrySet().removeIf(entry -> {
            IpAttempts ip = entry.getValue();

        // Clean up old failure records
        long now = System.currentTimeMillis();
        lastFailureTimes.entrySet().removeIf(entry -> now - entry.getValue() > FAILURE_RECOVERY_TIME * 2);

        // Clean up old consecutive failure counters
        consecutiveFailures.entrySet().removeIf(entry -> {
            String key = entry.getKey();
            Long lastFailure = lastFailureTimes.get(key);

        if (logger.isDebugEnabled()) {
            logger.debug("Initializing SmbClient...");
        }

        super.init();

        final Properties props = new Properties();
        System.getProperties().entrySet().stream().filter(e -> e.getKey().toString().startsWith("jcifs.")).forEach(e -> {
            props.setProperty((String) e.getKey(), (String) e.getValue());
        });
        try {

                byte[] bytes = is.readAllBytes();
                String content = new String(bytes);
                for (Map.Entry<String, String> rule : transformationRules.entrySet()) {
                    content = content.replaceAll(rule.getKey(), rule.getValue());
                }
                resultData.setData(content.getBytes());
            } catch (Exception e) {

                final Map<String, List<String>> headerFieldMap = file.getHeaderFields();
                if (headerFieldMap != null) {
                    for (final Map.Entry<String, List<String>> entry : headerFieldMap.entrySet()) {
                        responseData.addMetaData(entry.getKey(), entry.getValue());
                    }
                }

                if (file.canRead()) {