logger.debug("process authentication: url: {}, params: {}", urlBuf, params);
        }

        // validate that state in response equals to state in request
        final StateData stateData = validateState(request.getSession(), params.containsKey(STATE) ? params.get(STATE).get(0) : null);
        if (logger.isDebugEnabled()) {
            logger.debug("Loading state: {}", stateData);
        }

    /**
     * Initializes the SamlAuthenticator.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        ComponentUtil.getSsoManager().register(this);

        // Default SAML settings

            final String jwtSignature = new String(decodeBase64(jwt[2]), Constants.UTF_8_CHARSET);

            if (logger.isDebugEnabled()) {
                logger.debug("jwtHeader={}", jwtHeader);
                logger.debug("jwtClaim={}", jwtClaim);
                logger.debug("jwtSignature={}", jwtSignature);
            }

            // SECURITY WARNING: JWT signature validation is not implemented.

            // For fake-gcs-server or custom endpoint
            builder.setHost(endpoint);
            builder.setCredentials(NoCredentials.getInstance());
            if (logger.isDebugEnabled()) {
                logger.debug("Using custom GCS endpoint: {}", endpoint);
            }
        } else {
            // Production: use credentials file or default credentials
            if (StringUtil.isNotBlank(credentialsPath)) {

     * This method sets up system properties, caches, and other initial configurations.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        final Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
        cal.set(2027, 6 - 1, 1); // EOL Date

        try {
            documentItems = searchInternal(query, params, userBean);
        } catch (final InvalidQueryException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Invalid query: {}", query, e);
            }
            query = ComponentUtil.getQueryStringBuilder().params(params).sortField(params.getSort()).escape(true).build();

        final StorageType type;
        if (StringUtil.isBlank(typeStr) || "auto".equalsIgnoreCase(typeStr)) {
            type = detectStorageType(endpoint);
            if (logger.isDebugEnabled()) {
                logger.debug("Auto-detected storage type: {} for endpoint: {}", type, endpoint);
            }
        } else {
            type = parseStorageType(typeStr);
        }

        switch (type) {
        case GCS:

        } catch (final NoSuchBucketException e) {
            logger.info("Bucket does not exist: {}", bucket);
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to list objects in {}", bucket, e);
            }
        }

        return items;
    }

    @Override
    public Map<String, String> getObjectTags(final String objectName) {
        try {

            if (StringUtil.isNotBlank(name)) {
                tags.put(name, tagItems.get(valueKey));
            }
        });
        if (logger.isDebugEnabled()) {
            logger.debug("Tags updated: from={}, to={}", tagItems, tags);
        }
        try (StorageClient client = StorageClientFactory.createClient()) {
            client.setObjectTags(objectName, tags);
        } catch (final Exception e) {

### Setup for OpenSearch Plugins

Run antrun:run to download plugins into the plugins directory:

    $ mvn antrun:run

### Run Fess

Run or debug org.codelibs.fess.FessBoot on your IDE, and then access http://localhost:8080/

### Build Package

Run the `package` goal and then the release file will be created in target/releases.

    $ mvn package