1
0
mirror of https://github.com/go-acme/lego.git synced 2024-12-17 15:21:23 +02:00
lego/providers/dns/mydnsjp/mydnsjp.go
2020-09-02 20:38:01 +02:00

106 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
}