Check rights for resources.

        :return bool: True if operation is success else HTTP_403_FORBIDDEN

def check_rights(self, resources, request=None):
        """ Check rights for resources.

        :return bool: True if operation is success else HTTP_403_FORBIDDEN

        """
        if not self.auth:
            return True

        try:
            if not self.auth.test_rights(resources, request=request):
                raise AssertionError()

        except AssertionError, e:
            raise HttpError("Access forbiden. {0}".format(e), status=status.HTTP_403_FORBIDDEN)