const (
	dotdotComponent = ".."
	dotComponent    = "."
)

func hasBadHost(host string) error {
	if globalIsCICD && strings.TrimSpace(host) == "" {
		// under CI/CD test setups ignore empty hosts as invalid hosts
		return nil
	}
	_, err := xnet.ParseHost(host)
	return err
}

// Check if the incoming path has bad path components,
// such as ".." and "."