150 lines
4.2 KiB
Go
150 lines
4.2 KiB
Go
// Package domeneshop implements a DNS provider for solving the DNS-01 challenge using domeneshop DNS.
|
|
package domeneshop
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/go-acme/lego/v4/challenge/dns01"
|
|
"github.com/go-acme/lego/v4/platform/config/env"
|
|
"github.com/go-acme/lego/v4/providers/dns/domeneshop/internal"
|
|
)
|
|
|
|
// Environment variables names.
|
|
const (
|
|
envNamespace = "DOMENESHOP_"
|
|
|
|
EnvAPIToken = envNamespace + "API_TOKEN"
|
|
EnvAPISecret = envNamespace + "API_SECRET"
|
|
|
|
EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
|
|
EnvPollingInterval = envNamespace + "POLLING_INTERVAL"
|
|
EnvHTTPTimeout = envNamespace + "HTTP_TIMEOUT"
|
|
)
|
|
|
|
// Config is used to configure the creation of the DNSProvider.
|
|
type Config struct {
|
|
APIToken string
|
|
APISecret string
|
|
PropagationTimeout time.Duration
|
|
PollingInterval time.Duration
|
|
HTTPClient *http.Client
|
|
}
|
|
|
|
// NewDefaultConfig returns a default configuration for the DNSProvider.
|
|
func NewDefaultConfig() *Config {
|
|
return &Config{
|
|
PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, 5*time.Minute),
|
|
PollingInterval: env.GetOrDefaultSecond(EnvPollingInterval, 20*time.Second),
|
|
HTTPClient: &http.Client{
|
|
Timeout: env.GetOrDefaultSecond(EnvHTTPTimeout, 30*time.Second),
|
|
},
|
|
}
|
|
}
|
|
|
|
// DNSProvider implements the challenge.Provider interface.
|
|
type DNSProvider struct {
|
|
config *Config
|
|
client *internal.Client
|
|
}
|
|
|
|
// NewDNSProvider returns a DNSProvider instance configured for domeneshop.
|
|
// Credentials must be passed in the environment variables:
|
|
// DOMENESHOP_API_TOKEN, DOMENESHOP_API_SECRET.
|
|
func NewDNSProvider() (*DNSProvider, error) {
|
|
values, err := env.Get(EnvAPIToken, EnvAPISecret)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("domeneshop: %w", err)
|
|
}
|
|
|
|
config := NewDefaultConfig()
|
|
config.APIToken = values[EnvAPIToken]
|
|
config.APISecret = values[EnvAPISecret]
|
|
|
|
return NewDNSProviderConfig(config)
|
|
}
|
|
|
|
// NewDNSProviderConfig return a DNSProvider instance configured for Domeneshop.
|
|
func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
|
|
if config == nil {
|
|
return nil, errors.New("domeneshop: the configuration of the DNS provider is nil")
|
|
}
|
|
|
|
if config.APIToken == "" || config.APISecret == "" {
|
|
return nil, errors.New("domeneshop: credentials missing")
|
|
}
|
|
|
|
client := internal.NewClient(config.APIToken, config.APISecret)
|
|
|
|
if config.HTTPClient != nil {
|
|
client.HTTPClient = config.HTTPClient
|
|
}
|
|
|
|
return &DNSProvider{config: config, client: client}, nil
|
|
}
|
|
|
|
// Timeout returns the timeout and interval to use when checking for DNS propagation.
|
|
// Adjusting here to cope with spikes in propagation times.
|
|
func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
|
|
return d.config.PropagationTimeout, d.config.PollingInterval
|
|
}
|
|
|
|
// Present creates a TXT record using the specified parameters.
|
|
func (d *DNSProvider) Present(domain, _, keyAuth string) error {
|
|
fqdn, value := dns01.GetRecord(domain, keyAuth)
|
|
|
|
zone, host, err := d.splitDomain(fqdn)
|
|
if err != nil {
|
|
return fmt.Errorf("domeneshop: %w", err)
|
|
}
|
|
|
|
domainInstance, err := d.client.GetDomainByName(zone)
|
|
if err != nil {
|
|
return fmt.Errorf("domeneshop: %w", err)
|
|
}
|
|
|
|
err = d.client.CreateTXTRecord(domainInstance, host, value)
|
|
if err != nil {
|
|
return fmt.Errorf("domeneshop: failed to create record: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// CleanUp removes the TXT record matching the specified parameters.
|
|
func (d *DNSProvider) CleanUp(domain, _, keyAuth string) error {
|
|
fqdn, value := dns01.GetRecord(domain, keyAuth)
|
|
|
|
zone, host, err := d.splitDomain(fqdn)
|
|
if err != nil {
|
|
return fmt.Errorf("domeneshop: %w", err)
|
|
}
|
|
|
|
domainInstance, err := d.client.GetDomainByName(zone)
|
|
if err != nil {
|
|
return fmt.Errorf("domeneshop: %w", err)
|
|
}
|
|
|
|
if err := d.client.DeleteTXTRecord(domainInstance, host, value); err != nil {
|
|
return fmt.Errorf("domeneshop: failed to create record: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// splitDomain splits the hostname from the authoritative zone, and returns both parts (non-fqdn).
|
|
func (d *DNSProvider) splitDomain(fqdn string) (string, string, error) {
|
|
zone, err := dns01.FindZoneByFqdn(fqdn)
|
|
if err != nil {
|
|
return "", "", err
|
|
}
|
|
|
|
subDomain, err := dns01.ExtractSubDomain(fqdn, zone)
|
|
if err != nil {
|
|
return "", "", err
|
|
}
|
|
|
|
return dns01.UnFqdn(zone), subDomain, nil
|
|
}
|