105 lines
3.1 KiB
Go
105 lines
3.1 KiB
Go
// Package mydnsjp implements a DNS provider for solving the DNS-01 challenge using MyDNS.jp.
|
|
package mydnsjp
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/go-acme/lego/v4/challenge/dns01"
|
|
"github.com/go-acme/lego/v4/platform/config/env"
|
|
)
|
|
|
|
const defaultBaseURL = "https://www.mydns.jp/directedit.html"
|
|
|
|
// Environment variables names.
|
|
const (
|
|
envNamespace = "MYDNSJP_"
|
|
|
|
EnvMasterID = envNamespace + "MASTER_ID"
|
|
EnvPassword = envNamespace + "PASSWORD"
|
|
|
|
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 {
|
|
MasterID string
|
|
Password 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, 2*time.Minute),
|
|
PollingInterval: env.GetOrDefaultSecond(EnvPollingInterval, 2*time.Second),
|
|
HTTPClient: &http.Client{
|
|
Timeout: env.GetOrDefaultSecond(EnvHTTPTimeout, 30*time.Second),
|
|
},
|
|
}
|
|
}
|
|
|
|
// DNSProvider implements the challenge.Provider interface.
|
|
type DNSProvider struct {
|
|
config *Config
|
|
}
|
|
|
|
// NewDNSProvider returns a DNSProvider instance configured for MyDNS.jp.
|
|
// Credentials must be passed in the environment variables: MYDNSJP_MASTER_ID and MYDNSJP_PASSWORD.
|
|
func NewDNSProvider() (*DNSProvider, error) {
|
|
values, err := env.Get(EnvMasterID, EnvPassword)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("mydnsjp: %w", err)
|
|
}
|
|
|
|
config := NewDefaultConfig()
|
|
config.MasterID = values[EnvMasterID]
|
|
config.Password = values[EnvPassword]
|
|
|
|
return NewDNSProviderConfig(config)
|
|
}
|
|
|
|
// NewDNSProviderConfig return a DNSProvider instance configured for MyDNS.jp.
|
|
func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
|
|
if config == nil {
|
|
return nil, errors.New("mydnsjp: the configuration of the DNS provider is nil")
|
|
}
|
|
|
|
if config.MasterID == "" || config.Password == "" {
|
|
return nil, errors.New("mydnsjp: some credentials information are missing")
|
|
}
|
|
|
|
return &DNSProvider{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 {
|
|
_, value := dns01.GetRecord(domain, keyAuth)
|
|
err := d.doRequest(domain, value, "REGIST")
|
|
if err != nil {
|
|
return fmt.Errorf("mydnsjp: %w", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// CleanUp removes the TXT record matching the specified parameters.
|
|
func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
|
|
_, value := dns01.GetRecord(domain, keyAuth)
|
|
err := d.doRequest(domain, value, "DELETE")
|
|
if err != nil {
|
|
return fmt.Errorf("mydnsjp: %w", err)
|
|
}
|
|
return nil
|
|
}
|