forked from TrueCloudLab/lego
113 lines
3.4 KiB
Go
113 lines
3.4 KiB
Go
// Package vegadns implements a DNS provider for solving the DNS-01 challenge using VegaDNS.
|
|
package vegadns
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"strings"
|
|
"time"
|
|
|
|
vegaClient "github.com/OpenDNS/vegadns2client"
|
|
"github.com/go-acme/lego/v3/challenge/dns01"
|
|
"github.com/go-acme/lego/v3/platform/config/env"
|
|
)
|
|
|
|
// Config is used to configure the creation of the DNSProvider
|
|
type Config struct {
|
|
BaseURL string
|
|
APIKey string
|
|
APISecret string
|
|
PropagationTimeout time.Duration
|
|
PollingInterval time.Duration
|
|
TTL int
|
|
}
|
|
|
|
// NewDefaultConfig returns a default configuration for the DNSProvider
|
|
func NewDefaultConfig() *Config {
|
|
return &Config{
|
|
TTL: env.GetOrDefaultInt("VEGADNS_TTL", 10),
|
|
PropagationTimeout: env.GetOrDefaultSecond("VEGADNS_PROPAGATION_TIMEOUT", 12*time.Minute),
|
|
PollingInterval: env.GetOrDefaultSecond("VEGADNS_POLLING_INTERVAL", 1*time.Minute),
|
|
}
|
|
}
|
|
|
|
// DNSProvider describes a provider for VegaDNS
|
|
type DNSProvider struct {
|
|
config *Config
|
|
client vegaClient.VegaDNSClient
|
|
}
|
|
|
|
// NewDNSProvider returns a DNSProvider instance configured for VegaDNS.
|
|
// Credentials must be passed in the environment variables:
|
|
// VEGADNS_URL, SECRET_VEGADNS_KEY, SECRET_VEGADNS_SECRET.
|
|
func NewDNSProvider() (*DNSProvider, error) {
|
|
values, err := env.Get("VEGADNS_URL")
|
|
if err != nil {
|
|
return nil, fmt.Errorf("vegadns: %w", err)
|
|
}
|
|
|
|
config := NewDefaultConfig()
|
|
config.BaseURL = values["VEGADNS_URL"]
|
|
config.APIKey = env.GetOrFile("SECRET_VEGADNS_KEY")
|
|
config.APISecret = env.GetOrFile("SECRET_VEGADNS_SECRET")
|
|
|
|
return NewDNSProviderConfig(config)
|
|
}
|
|
|
|
// NewDNSProviderConfig return a DNSProvider instance configured for VegaDNS.
|
|
func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
|
|
if config == nil {
|
|
return nil, errors.New("vegadns: the configuration of the DNS provider is nil")
|
|
}
|
|
|
|
vega := vegaClient.NewVegaDNSClient(config.BaseURL)
|
|
vega.APIKey = config.APIKey
|
|
vega.APISecret = config.APISecret
|
|
|
|
return &DNSProvider{client: vega, config: config}, 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 to fulfill the dns-01 challenge
|
|
func (d *DNSProvider) Present(domain, token, keyAuth string) error {
|
|
fqdn, value := dns01.GetRecord(domain, keyAuth)
|
|
|
|
_, domainID, err := d.client.GetAuthZone(fqdn)
|
|
if err != nil {
|
|
return fmt.Errorf("vegadns: can't find Authoritative Zone for %s in Present: %w", fqdn, err)
|
|
}
|
|
|
|
err = d.client.CreateTXT(domainID, fqdn, value, d.config.TTL)
|
|
if err != nil {
|
|
return fmt.Errorf("vegadns: %w", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// CleanUp removes the TXT record matching the specified parameters
|
|
func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
|
|
fqdn, _ := dns01.GetRecord(domain, keyAuth)
|
|
|
|
_, domainID, err := d.client.GetAuthZone(fqdn)
|
|
if err != nil {
|
|
return fmt.Errorf("vegadns: can't find Authoritative Zone for %s in CleanUp: %w", fqdn, err)
|
|
}
|
|
|
|
txt := strings.TrimSuffix(fqdn, ".")
|
|
|
|
recordID, err := d.client.GetRecordID(domainID, txt, "TXT")
|
|
if err != nil {
|
|
return fmt.Errorf("vegadns: couldn't get Record ID in CleanUp: %w", err)
|
|
}
|
|
|
|
err = d.client.DeleteRecord(recordID)
|
|
if err != nil {
|
|
return fmt.Errorf("vegadns: %w", err)
|
|
}
|
|
return nil
|
|
}
|