def handle_container(self, env, start_response):
        container_info = self._get_container_info(env)
        req = Request(env)
        req.acl = container_info['read_acl']
        # we checked earlier that swift.authorize is set in env
        aresp = env['swift.authorize'](req)
        if aresp:
            resp = aresp(env, self._start_response)
            return self._error_response(resp, env, start_response)

        if not self._listings and not self._index:
            if config_true_value(env.get('HTTP_X_WEB_MODE', 'f')):
                return HTTPNotFound()(env, start_response)
            return self.app(env, start_response)
        if not env['PATH_INFO'].endswith('/'):
            resp = HTTPMovedPermanently(
                location=(env['PATH_INFO'] + '/'))
            return resp(env, start_response)
        if not self._index:
            return self._listing(env, start_response)
        tmp_env = dict(env)
        tmp_env['HTTP_USER_AGENT'] = \
            '%s StaticWeb' % env.get('HTTP_USER_AGENT')
        tmp_env['swift.source'] = 'SW'
        tmp_env['PATH_INFO'] += self._index
        resp = self._app_call(tmp_env)
        status_int = self._get_status_int()
        if status_int == HTTP_NOT_FOUND:
            return self._listing(env, start_response)
        elif not is_success(self._get_status_int()) and \
                not is_redirection(self._get_status_int()):
            return self._error_response(resp, env, start_response)
        start_response(self._response_status, self._response_headers,
                       self._response_exc_info)
        return resp
Handles a possible static web request for a container.
dataset/ETHPy150Open openstack/swift/swift/common/middleware/staticweb.py/_StaticWebContext.handle_container