func (k *Klient) PublicIP() (net.IP, error) {
if k.publicIP == nil {
ip, err := publicip.PublicIP()
if err != nil {
return nil, err
}
k.publicIP = ip
}
return k.publicIP, nil
}
defer conn.Close()
// Query the whois server with the ip or domain given to this func,
// as per Whois spec.
_, err = conn.Write([]byte(fmt.Sprintf("%s\r\n", query)))
if err != nil {
return "", err
}
// After the query, the server will respond with the unformatted data.
// Read it all and return it.
b, err := ioutil.ReadAll(conn)
if err != nil {
return "", err
}
return string(b), nil
}
// DefaultWhoisChecker is used for all whois based checkers
var DefaultWhoisChecker WhoisFunc = func() (string, error) {
// Get the IP of this machine, to whois against
ip, err := publicip.PublicIP()
if err != nil {
return "", err
}
// Get the whois of the current vm's IP
return WhoisQuery(ip.String(), whoisServer, whoisTimeout)
}