public function optionsObject($bucket, $object, $origin, $request_method, $request_headers, $options = NULL)
{
$this->precheckCommon($bucket, NULL, $options, false);
$options[self::OSS_BUCKET] = $bucket;
$options[self::OSS_METHOD] = self::OSS_HTTP_OPTIONS;
$options[self::OSS_OBJECT] = $object;
$options[self::OSS_HEADERS] = array(self::OSS_OPTIONS_ORIGIN => $origin, self::OSS_OPTIONS_REQUEST_HEADERS => $request_headers, self::OSS_OPTIONS_REQUEST_METHOD => $request_method);
$response = $this->auth($options);
$result = new HeaderResult($response);
return $result->getData();
}