* @param endpoint the S3 endpoint URL (null for AWS default)
     * @param accessKey the AWS access key
     * @param secretKey the AWS secret key
     * @param bucket the bucket name
     * @param region the AWS region
     */
    public S3StorageClient(final String endpoint, final String accessKey, final String secretKey, final String bucket,
            final String region) {
        this.bucket = bucket;

        }
        final String secretKey = getInitParameter("secretKey", null, String.class);
        if (StringUtil.isBlank(secretKey)) {
            throw new CrawlingAccessException(
                    "S3 secret key is blank. Please set the S3_SECRET_KEY environment variable or secretKey parameter.");
        }

                if (StringUtil.isNotBlank(accessKey) && StringUtil.isNotBlank(secretKey)) {
                    builder.credentialsProvider(StaticCredentialsProvider.create(AwsBasicCredentials.create(accessKey, secretKey)));
                }

                s3Client = builder.build();
                connected = true;
            } catch (final Exception e) {

    public static StorageClient createClient(final FessConfig fessConfig) {
        final String endpoint = fessConfig.getStorageEndpoint();
        final String accessKey = fessConfig.getStorageAccessKey();
        final String secretKey = fessConfig.getStorageSecretKey();
        final String bucket = fessConfig.getStorageBucket();

        // Get explicit type or auto-detect
        final String typeStr = fessConfig.getStorageType();

        s3Client = container.getComponent("s3Client");
        Map<String, Object> params = new HashMap<>();
        params.put("endpoint", endpoint);
        params.put("accessKey", ACCESS_KEY);
        params.put("secretKey", SECRET_KEY);
        params.put("region", "us-east-1");
        s3Client.setInitParameterMap(params);

        for (int i = 0; i < 10; i++) {
            try {
                setupMinioClient(bucketName, endpoint);

    public static final String STORAGE_ACCESS_KEY = "storage.accesskey";

    /** Storage secret key configuration key. */
    public static final String STORAGE_SECRET_KEY = "storage.secretkey";

    /** Storage bucket configuration key. */
    public static final String STORAGE_BUCKET = "storage.bucket";

    /** Storage type configuration key (s3, gcs, auto). */