136 lines
3.8 KiB
Go
136 lines
3.8 KiB
Go
// Package clouddns implements a DNS provider for solving the DNS-01 challenge using CloudDNS API.
|
|
package clouddns
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/go-acme/lego/v3/challenge/dns01"
|
|
"github.com/go-acme/lego/v3/platform/config/env"
|
|
"github.com/go-acme/lego/v3/providers/dns/clouddns/internal"
|
|
)
|
|
|
|
// Environment variables names.
|
|
const (
|
|
envNamespace = "CLOUDDNS_"
|
|
|
|
EnvClientID = envNamespace + "CLIENT_ID"
|
|
EnvEmail = envNamespace + "EMAIL"
|
|
EnvPassword = envNamespace + "PASSWORD"
|
|
|
|
EnvTTL = envNamespace + "TTL"
|
|
EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
|
|
EnvPollingInterval = envNamespace + "POLLING_INTERVAL"
|
|
EnvHTTPTimeout = envNamespace + "HTTP_TIMEOUT"
|
|
)
|
|
|
|
// Config is used to configure the DNSProvider.
|
|
type Config struct {
|
|
ClientID string
|
|
Email string
|
|
Password string
|
|
|
|
TTL int
|
|
PropagationTimeout time.Duration
|
|
PollingInterval time.Duration
|
|
HTTPClient *http.Client
|
|
}
|
|
|
|
// NewDefaultConfig returns a default configuration for the DNSProvider.
|
|
func NewDefaultConfig() *Config {
|
|
return &Config{
|
|
TTL: env.GetOrDefaultInt(EnvTTL, 300),
|
|
PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, 120*time.Second),
|
|
PollingInterval: env.GetOrDefaultSecond(EnvPollingInterval, 5*time.Second),
|
|
HTTPClient: &http.Client{
|
|
Timeout: env.GetOrDefaultSecond(EnvHTTPTimeout, 30*time.Second),
|
|
},
|
|
}
|
|
}
|
|
|
|
// DNSProvider implements the challenge.Provider interface.
|
|
type DNSProvider struct {
|
|
client *internal.Client
|
|
config *Config
|
|
}
|
|
|
|
// NewDNSProvider returns a DNSProvider instance configured for CloudDNS.
|
|
// Credentials must be passed in the environment variables:
|
|
// CLOUDDNS_CLIENT_ID, CLOUDDNS_EMAIL, CLOUDDNS_PASSWORD.
|
|
func NewDNSProvider() (*DNSProvider, error) {
|
|
values, err := env.Get(EnvClientID, EnvEmail, EnvPassword)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("clouddns: %w", err)
|
|
}
|
|
|
|
config := NewDefaultConfig()
|
|
config.ClientID = values[EnvClientID]
|
|
config.Email = values[EnvEmail]
|
|
config.Password = values[EnvPassword]
|
|
|
|
return NewDNSProviderConfig(config)
|
|
}
|
|
|
|
// NewDNSProviderConfig return a DNSProvider instance configured for CloudDNS.
|
|
func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
|
|
if config == nil {
|
|
return nil, errors.New("clouddns: the configuration of the DNS provider is nil")
|
|
}
|
|
|
|
if config.ClientID == "" || config.Email == "" || config.Password == "" {
|
|
return nil, errors.New("clouddns: credentials missing")
|
|
}
|
|
|
|
client := internal.NewClient(config.ClientID, config.Email, config.Password, config.TTL)
|
|
|
|
if config.HTTPClient != nil {
|
|
client.HTTPClient = config.HTTPClient
|
|
}
|
|
|
|
return &DNSProvider{
|
|
client: client,
|
|
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 using the specified parameters.
|
|
func (d *DNSProvider) Present(domain, token, keyAuth string) error {
|
|
fqdn, value := dns01.GetRecord(domain, keyAuth)
|
|
|
|
authZone, err := dns01.FindZoneByFqdn(fqdn)
|
|
if err != nil {
|
|
return fmt.Errorf("clouddns: %w", err)
|
|
}
|
|
|
|
err = d.client.AddRecord(authZone, fqdn, value)
|
|
if err != nil {
|
|
return fmt.Errorf("clouddns: %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)
|
|
|
|
authZone, err := dns01.FindZoneByFqdn(fqdn)
|
|
if err != nil {
|
|
return fmt.Errorf("clouddns: %w", err)
|
|
}
|
|
|
|
err = d.client.DeleteRecord(authZone, fqdn)
|
|
if err != nil {
|
|
return fmt.Errorf("clouddns: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|