mirror of
https://github.com/go-acme/lego.git
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175 lines
5.3 KiB
Go
175 lines
5.3 KiB
Go
// Package dnsmadeeasy implements a DNS provider for solving the DNS-01 challenge using DNS Made Easy.
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package dnsmadeeasy
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import (
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"crypto/tls"
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"errors"
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"fmt"
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"net/http"
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"strings"
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"time"
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"github.com/xenolf/lego/acme"
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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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BaseURL string
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APIKey string
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APISecret string
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Sandbox bool
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HTTPClient *http.Client
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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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TTL: env.GetOrDefaultInt("DNSMADEEASY_TTL", 120),
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PropagationTimeout: env.GetOrDefaultSecond("DNSMADEEASY_PROPAGATION_TIMEOUT", acme.DefaultPropagationTimeout),
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PollingInterval: env.GetOrDefaultSecond("DNSMADEEASY_POLLING_INTERVAL", acme.DefaultPollingInterval),
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HTTPClient: &http.Client{
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Timeout: env.GetOrDefaultSecond("DNSMADEEASY_HTTP_TIMEOUT", 10*time.Second),
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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},
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},
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}
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}
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// DNSProvider is an implementation of the acme.ChallengeProvider interface that uses
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// DNSMadeEasy's DNS API to manage TXT records for a domain.
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type DNSProvider struct {
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config *Config
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client *Client
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}
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// NewDNSProvider returns a DNSProvider instance configured for DNSMadeEasy DNS.
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// Credentials must be passed in the environment variables:
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// DNSMADEEASY_API_KEY and DNSMADEEASY_API_SECRET.
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func NewDNSProvider() (*DNSProvider, error) {
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values, err := env.Get("DNSMADEEASY_API_KEY", "DNSMADEEASY_API_SECRET")
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if err != nil {
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return nil, fmt.Errorf("dnsmadeeasy: %v", err)
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}
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config := NewDefaultConfig()
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config.Sandbox = env.GetOrDefaultBool("DNSMADEEASY_SANDBOX", false)
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config.APIKey = values["DNSMADEEASY_API_KEY"]
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config.APISecret = values["DNSMADEEASY_API_SECRET"]
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return NewDNSProviderConfig(config)
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}
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// NewDNSProviderCredentials uses the supplied credentials
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// to return a DNSProvider instance configured for DNS Made Easy.
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// Deprecated
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func NewDNSProviderCredentials(baseURL, apiKey, apiSecret string) (*DNSProvider, error) {
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config := NewDefaultConfig()
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config.BaseURL = baseURL
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config.APIKey = apiKey
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config.APISecret = apiSecret
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return NewDNSProviderConfig(config)
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}
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// NewDNSProviderConfig return a DNSProvider instance configured for DNS Made Easy.
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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("dnsmadeeasy: the configuration of the DNS provider is nil")
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}
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var baseURL string
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if config.Sandbox {
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baseURL = "https://api.sandbox.dnsmadeeasy.com/V2.0"
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} else {
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if len(config.BaseURL) > 0 {
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baseURL = config.BaseURL
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} else {
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baseURL = "https://api.dnsmadeeasy.com/V2.0"
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}
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}
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client, err := NewClient(config.APIKey, config.APISecret)
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if err != nil {
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return nil, fmt.Errorf("dnsmadeeasy: %v", err)
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}
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client.HTTPClient = config.HTTPClient
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client.BaseURL = baseURL
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return &DNSProvider{
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client: client,
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config: config,
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}, 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(domainName, token, keyAuth string) error {
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fqdn, value, _ := acme.DNS01Record(domainName, 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("dnsmadeeasy: unable to find zone for %s: %v", fqdn, err)
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}
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// fetch the domain details
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domain, err := d.client.GetDomain(authZone)
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if err != nil {
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return fmt.Errorf("dnsmadeeasy: unable to get domain for zone %s: %v", authZone, err)
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}
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// create the TXT record
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name := strings.Replace(fqdn, "."+authZone, "", 1)
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record := &Record{Type: "TXT", Name: name, Value: value, TTL: d.config.TTL}
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err = d.client.CreateRecord(domain, record)
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if err != nil {
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return fmt.Errorf("dnsmadeeasy: unable to create record for %s: %v", name, err)
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}
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return nil
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}
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// CleanUp removes the TXT records matching the specified parameters
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func (d *DNSProvider) CleanUp(domainName, token, keyAuth string) error {
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fqdn, _, _ := acme.DNS01Record(domainName, 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("dnsmadeeasy: unable to find zone for %s: %v", fqdn, err)
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}
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// fetch the domain details
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domain, err := d.client.GetDomain(authZone)
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if err != nil {
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return fmt.Errorf("dnsmadeeasy: unable to get domain for zone %s: %v", authZone, err)
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}
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// find matching records
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name := strings.Replace(fqdn, "."+authZone, "", 1)
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records, err := d.client.GetRecords(domain, name, "TXT")
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if err != nil {
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return fmt.Errorf("dnsmadeeasy: unable to get records for domain %s: %v", domain.Name, err)
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}
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// delete records
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var lastError error
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for _, record := range *records {
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err = d.client.DeleteRecord(record)
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if err != nil {
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lastError = fmt.Errorf("dnsmadeeasy: unable to delete record [id=%d, name=%s]: %v", record.ID, record.Name, err)
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}
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}
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return lastError
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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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