Function checkLoopbackDomain

lcl/lcl.go:173–200

(ctx context.Context, drv *ui.Driver, domain string)

}

func checkLoopbackDomain(ctx context.Context, drv *ui.Driver, domain string) error {
	drv.Activate(ctx, &models.DomainResolver{
		Domain: domain,
	})

	addrs, err := new(net.Resolver).LookupHost(ctx, domain)
	if err != nil {
		drv.Send(models.DomainStatusMsg(false))

		var dnserr *net.DNSError
		if errors.As(err, &dnserr) {
			return cli.UserError{Err: errors.New("no such host")}
		}

		return err
	}

	for _, addr := range addrs {
		if !slices.Contains(loopbackAddrs, addr) {
			drv.Send(models.DomainStatusMsg(false))

			return fmt.Errorf("%s domain resolved to non-loopback interface address: %s", domain, addr)
		}
	}
	drv.Send(models.DomainStatusMsg(true))

	return nil
}