mirror of
https://github.com/go-acme/lego.git
synced 2024-12-13 13:48:45 +02:00
167 lines
4.4 KiB
Go
167 lines
4.4 KiB
Go
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// Package inwx implements a DNS provider for solving the DNS-01 challenge using inwx dom robot
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package inwx
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import (
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"errors"
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"fmt"
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"time"
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"github.com/smueller18/goinwx"
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"github.com/xenolf/lego/acme"
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"github.com/xenolf/lego/log"
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"github.com/xenolf/lego/platform/config/env"
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)
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// Config is used to configure the creation of the DNSProvider
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type Config struct {
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Username string
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Password string
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Sandbox bool
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PropagationTimeout time.Duration
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PollingInterval time.Duration
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TTL int
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}
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// NewDefaultConfig returns a default configuration for the DNSProvider
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func NewDefaultConfig() *Config {
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return &Config{
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PropagationTimeout: env.GetOrDefaultSecond("INWX_PROPAGATION_TIMEOUT", acme.DefaultPropagationTimeout),
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PollingInterval: env.GetOrDefaultSecond("INWX_POLLING_INTERVAL", acme.DefaultPollingInterval),
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TTL: env.GetOrDefaultInt("INWX_TTL", 300),
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Sandbox: env.GetOrDefaultBool("INWX_SANDBOX", false),
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}
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}
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// DNSProvider is an implementation of the acme.ChallengeProvider interface
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type DNSProvider struct {
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config *Config
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client *goinwx.Client
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}
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// NewDNSProvider returns a DNSProvider instance configured for Dyn DNS.
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// Credentials must be passed in the environment variables:
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// INWX_USERNAME and INWX_PASSWORD.
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func NewDNSProvider() (*DNSProvider, error) {
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values, err := env.Get("INWX_USERNAME", "INWX_PASSWORD")
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if err != nil {
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return nil, fmt.Errorf("inwx: %v", err)
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}
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config := NewDefaultConfig()
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config.Username = values["INWX_USERNAME"]
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config.Password = values["INWX_PASSWORD"]
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return NewDNSProviderConfig(config)
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}
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// NewDNSProviderConfig return a DNSProvider instance configured for Dyn DNS
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func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
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if config == nil {
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return nil, errors.New("inwx: the configuration of the DNS provider is nil")
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}
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if config.Username == "" || config.Password == "" {
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return nil, fmt.Errorf("inwx: credentials missing")
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}
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if config.Sandbox {
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log.Infof("inwx: sandbox mode is enabled")
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}
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client := goinwx.NewClient(config.Username, config.Password, &goinwx.ClientOptions{Sandbox: config.Sandbox})
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return &DNSProvider{config: config, client: client}, nil
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}
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// Present creates a TXT record using the specified parameters
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func (d *DNSProvider) Present(domain, token, keyAuth string) error {
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fqdn, value, _ := acme.DNS01Record(domain, keyAuth)
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authZone, err := acme.FindZoneByFqdn(fqdn, acme.RecursiveNameservers)
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if err != nil {
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return fmt.Errorf("inwx: %v", err)
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}
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err = d.client.Account.Login()
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if err != nil {
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return fmt.Errorf("inwx: %v", err)
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}
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defer func() {
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errL := d.client.Account.Logout()
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if errL != nil {
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log.Infof("inwx: failed to logout: %v", errL)
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}
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}()
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var request = &goinwx.NameserverRecordRequest{
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Domain: acme.UnFqdn(authZone),
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Name: acme.UnFqdn(fqdn),
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Type: "TXT",
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Content: value,
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Ttl: d.config.TTL,
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}
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_, err = d.client.Nameservers.CreateRecord(request)
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if err != nil {
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switch err.(type) {
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case *goinwx.ErrorResponse:
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if err.(*goinwx.ErrorResponse).Message == "Object exists" {
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return nil
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}
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return fmt.Errorf("inwx: %v", err)
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default:
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return fmt.Errorf("inwx: %v", err)
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}
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}
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return nil
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}
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// CleanUp removes the TXT record matching the specified parameters
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func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
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fqdn, _, _ := acme.DNS01Record(domain, keyAuth)
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authZone, err := acme.FindZoneByFqdn(fqdn, acme.RecursiveNameservers)
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if err != nil {
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return fmt.Errorf("inwx: %v", err)
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}
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err = d.client.Account.Login()
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if err != nil {
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return fmt.Errorf("inwx: %v", err)
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}
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defer func() {
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errL := d.client.Account.Logout()
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if errL != nil {
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log.Infof("inwx: failed to logout: %v", errL)
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}
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}()
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response, err := d.client.Nameservers.Info(&goinwx.NameserverInfoRequest{
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Domain: acme.UnFqdn(authZone),
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Name: acme.UnFqdn(fqdn),
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Type: "TXT",
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})
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if err != nil {
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return fmt.Errorf("inwx: %v", err)
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}
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var lastErr error
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for _, record := range response.Records {
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err = d.client.Nameservers.DeleteRecord(record.Id)
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if err != nil {
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lastErr = fmt.Errorf("inwx: %v", err)
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}
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}
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return lastErr
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}
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// Timeout returns the timeout and interval to use when checking for DNS propagation.
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// Adjusting here to cope with spikes in propagation times.
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func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
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return d.config.PropagationTimeout, d.config.PollingInterval
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}
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