def METHOD_NAME():
    jrds_cert_path = configuration.get_jrds_cert_path()
    if util.assert_file_read_permission(jrds_cert_path) is False:
        raise InvalidFilePermissionException(jrds_cert_path)
    jrds_key_path = configuration.get_jrds_key_path()
    if util.assert_file_read_permission(jrds_key_path) is False:
        raise InvalidFilePermissionException(jrds_key_path)
    worker_conf_path = configuration.get_worker_configuration_file_path()
    if util.assert_file_read_permission(worker_conf_path) is False:
        raise InvalidFilePermissionException(worker_conf_path)
    proxy_conf_path = configuration.get_proxy_configuration_path()
    if proxy_conf_path != configuration.DEFAULT_PROXY_CONFIGURATION_PATH and os.path.isfile(proxy_conf_path):
        if util.assert_file_read_permission(proxy_conf_path) is False:
            raise InvalidFilePermissionException(proxy_conf_path)