lego/providers/dns/mydnsjp/mydnsjp.go
2019-03-11 17:56:48 +01:00

93 lines
2.9 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/challenge/dns01"
"github.com/go-acme/lego/platform/config/env"
)
const defaultBaseURL = "https://www.mydns.jp/directedit.html"
// 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("MYDNSJP_PROPAGATION_TIMEOUT", 2*time.Minute),
PollingInterval: env.GetOrDefaultSecond("MYDNSJP_POLLING_INTERVAL", 2*time.Second),
HTTPClient: &http.Client{
Timeout: env.GetOrDefaultSecond("MYDNSJP_HTTP_TIMEOUT", 30*time.Second),
},
}
}
// DNSProvider is an implementation of the acme.ChallengeProvider 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("MYDNSJP_MASTER_ID", "MYDNSJP_PASSWORD")
if err != nil {
return nil, fmt.Errorf("mydnsjp: %v", err)
}
config := NewDefaultConfig()
config.MasterID = values["MYDNSJP_MASTER_ID"]
config.Password = values["MYDNSJP_PASSWORD"]
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: %v", 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: %v", err)
}
return nil
}