public function queryAttribute($token, $attribute, $objid, $type)
{
$token_c = new \lib\Token_Core();
$ret = array('ret' => 4, 'msg' => 'query object [' . $objid . '] attribute token invalid!');
if ($token_c->is_token($token)) {
$bucket_name = self::_get_bucket_name_by_ftype($type);
$host = CEPH_HOST;
$aws_key = session('user_key');
$aws_secret_key = session('user_secret_key');
$conn = new cephService($host, $aws_key, $aws_secret_key);
$response = $conn->queryObjectMetadata($bucket_name, $objid);
if ($response) {
$ret['ret'] = 0;
$ret['msg'] = 'query object metadata suc!';
$attribute_value = $response['Headers']['x-amz-meta-' . $attribute];
} else {
$ret['ret'] = 2;
$ret['msg'] = 'query object metadata failed!';
}
}
$ret_h = new \proto\RetHead($ret);
$qar_ret = array('result' => $ret_h, 'token' => $token, 'attribute_value' => $attribute_value);
$q_ret = new QueryAttributeResult($qar_ret);
return $q_ret;
}
