# File lib/chef_zero/endpoints/acl_endpoint.rb, line 18
      def validate_request(request)
        path = request.rest_path[0..-3] # Strip off _acl/PERM
        path = path[0..1] if path.size == 3 && path[0] == 'organizations' && %w(organization organizations).include?(path[2])
        acl_path = ChefData::AclPath.get_acl_data_path(path)
        perm = request.rest_path[-1]
        if !acl_path || !%w(read create update delete grant).include?(perm)
          raise RestErrorResponse.new(404, "Object not found: #{build_uri(request.base_uri, request.rest_path)}")
        end
        [acl_path, perm]
      end