forked from TrueCloudLab/lego
116 lines
3.1 KiB
Go
116 lines
3.1 KiB
Go
// Package netcup implements a DNS Provider for solving the DNS-01 challenge using the netcup DNS API.
|
|
package netcup
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/xenolf/lego/acme"
|
|
"github.com/xenolf/lego/platform/config/env"
|
|
)
|
|
|
|
// DNSProvider is an implementation of the acme.ChallengeProvider interface
|
|
type DNSProvider struct {
|
|
client *Client
|
|
}
|
|
|
|
// NewDNSProvider returns a DNSProvider instance configured for netcup.
|
|
// Credentials must be passed in the environment variables: NETCUP_CUSTOMER_NUMBER,
|
|
// NETCUP_API_KEY, NETCUP_API_PASSWORD
|
|
func NewDNSProvider() (*DNSProvider, error) {
|
|
values, err := env.Get("NETCUP_CUSTOMER_NUMBER", "NETCUP_API_KEY", "NETCUP_API_PASSWORD")
|
|
if err != nil {
|
|
return nil, fmt.Errorf("netcup: %v", err)
|
|
}
|
|
|
|
return NewDNSProviderCredentials(values["NETCUP_CUSTOMER_NUMBER"], values["NETCUP_API_KEY"], values["NETCUP_API_PASSWORD"])
|
|
}
|
|
|
|
// NewDNSProviderCredentials uses the supplied credentials to return a
|
|
// DNSProvider instance configured for netcup.
|
|
func NewDNSProviderCredentials(customer, key, password string) (*DNSProvider, error) {
|
|
if customer == "" || key == "" || password == "" {
|
|
return nil, fmt.Errorf("netcup: netcup credentials missing")
|
|
}
|
|
|
|
httpClient := &http.Client{
|
|
Timeout: 10 * time.Second,
|
|
}
|
|
|
|
return &DNSProvider{
|
|
client: NewClient(httpClient, customer, key, password),
|
|
}, nil
|
|
}
|
|
|
|
// Present creates a TXT record to fulfill the dns-01 challenge
|
|
func (d *DNSProvider) Present(domainName, token, keyAuth string) error {
|
|
fqdn, value, _ := acme.DNS01Record(domainName, keyAuth)
|
|
|
|
zone, err := acme.FindZoneByFqdn(fqdn, acme.RecursiveNameservers)
|
|
if err != nil {
|
|
return fmt.Errorf("netcup: failed to find DNSZone, %v", err)
|
|
}
|
|
|
|
sessionID, err := d.client.Login()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
hostname := strings.Replace(fqdn, "."+zone, "", 1)
|
|
record := CreateTxtRecord(hostname, value)
|
|
|
|
err = d.client.UpdateDNSRecord(sessionID, acme.UnFqdn(zone), record)
|
|
if err != nil {
|
|
if errLogout := d.client.Logout(sessionID); errLogout != nil {
|
|
return fmt.Errorf("failed to add TXT-Record: %v; %v", err, errLogout)
|
|
}
|
|
return fmt.Errorf("failed to add TXT-Record: %v", err)
|
|
}
|
|
|
|
return d.client.Logout(sessionID)
|
|
}
|
|
|
|
// CleanUp removes the TXT record matching the specified parameters
|
|
func (d *DNSProvider) CleanUp(domainname, token, keyAuth string) error {
|
|
fqdn, value, _ := acme.DNS01Record(domainname, keyAuth)
|
|
|
|
zone, err := acme.FindZoneByFqdn(fqdn, acme.RecursiveNameservers)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to find DNSZone, %v", err)
|
|
}
|
|
|
|
sessionID, err := d.client.Login()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
hostname := strings.Replace(fqdn, "."+zone, "", 1)
|
|
|
|
zone = acme.UnFqdn(zone)
|
|
|
|
records, err := d.client.GetDNSRecords(zone, sessionID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
record := CreateTxtRecord(hostname, value)
|
|
|
|
idx, err := GetDNSRecordIdx(records, record)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
records[idx].DeleteRecord = true
|
|
|
|
err = d.client.UpdateDNSRecord(sessionID, zone, records[idx])
|
|
if err != nil {
|
|
if errLogout := d.client.Logout(sessionID); errLogout != nil {
|
|
return fmt.Errorf("%v; %v", err, errLogout)
|
|
}
|
|
return err
|
|
}
|
|
|
|
return d.client.Logout(sessionID)
|
|
}
|