func ExampleDecode() {
ip, expires, salt, err := hostname.Decode("zmvtoaqaaaavkjlja2i2n2ligiol2idykqa3t7vk4vfakdv6.foo.com", "turnip4tea", "foo.com")
if err != nil {
log.Fatalf("Not able to decode example hostname")
}
fmt.Println(ip)
fmt.Println(expires)
fmt.Println(salt)
// Output:
// 203.43.55.2
// 2016-06-06 11:11:27.889 +0000 UTC
// [166 233]
}
func TestEncodeDecode(t *testing.T) {
ip := net.IPv4(byte(203), byte(43), byte(55), byte(2))
subdomain := "foo.com"
expires := time.Now().Add(15 * time.Minute)
secret := "turnip4tea"
// encode
fqdn := hostname.New(ip, subdomain, expires, secret)
// decode
ip2, expires2, _, err := hostname.Decode(fqdn, secret, subdomain)
if err != nil {
t.Fatalf("Error when creating hostname: %v", err)
}
if ip.String() != ip2.String() {
t.Fatalf("Incorrect IP - got %v but was expecting %v", ip, ip2)
}
if expires.Unix() != expires2.Unix() {
t.Fatalf("Incorrect Expiry - got %v but was expecting %v", expires, expires2)
}
}
func main() {
arguments, err := docopt.Parse(usage, nil, true, version, false, true)
if err != nil {
fmt.Println("Error parsing command line arguments!")
os.Exit(1)
}
fqdn := arguments["FQDN"].(string)
subdomain := arguments["SUBDOMAIN"].(string)
secret := arguments["SECRET"].(string)
ip, expires, salt, err := hostname.Decode(fqdn, secret, subdomain)
if err != nil {
log.Fatalf("Error occured: %v", err)
}
log.Printf("IP: %v", ip)
log.Printf("Expires: %v", expires)
log.Printf("Salt: %#v", salt)
}
func TestBadName(t *testing.T) {
_, _, _, err := hostname.Decode("zmvtoaqaaaavkjlja2i2n2ligiol2idykqa3t7vk4vfakdw6.foo.com", "turnip4tea", "foo.com")
if err == nil {
log.Fatalf("Was expecting an error as hash is invalid")
}
}