# File lib/smart_proxy_openscap/fetch_scap_content.rb, line 4
    def get_policy_content(policy_id)
      policy_store_dir = File.join(Proxy::OpenSCAP.fullpath(Proxy::OpenSCAP::Plugin.settings.contentdir), policy_id.to_s)
      policy_scap_file = File.join(policy_store_dir, "#{policy_id}_scap_content.xml")
      begin
        logger.info "Creating directory to store SCAP file: #{policy_store_dir}"
        FileUtils.mkdir_p(policy_store_dir) # will fail silently if exists
      rescue Errno::EACCES => e
        logger.error "No permission to create directory #{policy_store_dir}"
        raise e
      rescue StandardError => e
        logger.error "Could not create '#{policy_store_dir}' directory: #{e.message}"
        raise e
      end

      scap_file = policy_content_file(policy_scap_file)
      scap_file ||= save_or_serve_scap_file(policy_id, policy_scap_file)
      scap_file
    end