# File lib/smart_proxy_openscap/openscap_lib.rb, line 21
  def self.get_policy_content(policy_id)
    policy_store_dir = File.join(Proxy::OpenSCAP::Plugin.settings.contentdir, policy_id.to_s)
    policy_scap_file = File.join(policy_store_dir, "#{policy_id}_scap_content.xml")
    begin
      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