if ret.RetainUntilDate.Before(t) {
			apiErr := isPutRetentionAllowed(oi.Bucket, oi.Name,
				days, objRetention.RetainUntilDate.Time,
				objRetention.Mode, byPassSet, r, cred,
				owner)
			if apiErr == ErrAccessDenied {
				return errAuthentication
			}
			return nil
		}

		switch ret.Mode {
		case objectlock.RetGovernance:
			govPerm := isPutRetentionAllowed(oi.Bucket, oi.Name, days,

		}
		cred, owner, s3Err = getReqAccessKeyV4(r, region, serviceS3)
	}
	if s3Err != ErrNone {
		return cred, owner, s3Err
	}

	return cred, owner, ErrNone
}

func isPutRetentionAllowed(bucketName, objectName string, retDays int, retDate time.Time, retMode objectlock.RetMode, byPassSet bool, r *http.Request, cred auth.Credentials, owner bool) (s3Err APIErrorCode) {
	var retSet bool
	if cred.AccessKey == "" {