// https://github.com/golang/go/wiki/SliceTricks#filter-in-place
		for _, bucketInfo := range bucketsInfo {
			if globalIAMSys.IsAllowed(policy.Args{
				AccountName:     cred.AccessKey,
				Groups:          cred.Groups,
				Action:          policy.ListBucketAction,
				BucketName:      bucketInfo.Name,
				ConditionValues: getConditionValues(r, "", cred),
				IsOwner:         owner,
				ObjectName:      "",