content_security_policy

# File actionpack/lib/action_controller/metal/content_security_policy.rb, line 17
      def content_security_policy(enabled = true, **options, &block)
        before_action(options) do
          if block_given?
            policy = current_content_security_policy
            yield policy
            request.content_security_policy = policy
          end

          unless enabled
            request.content_security_policy = nil
          end
        end
      end