108 lines
3.3 KiB
Go
108 lines
3.3 KiB
Go
// Package cloudxns implements a DNS provider for solving the DNS-01 challenge using CloudXNS DNS.
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package cloudxns // import "github.com/xenolf/lego/providers/dns/cloudxns"
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import (
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"errors"
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"fmt"
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"net/http"
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"time"
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"github.com/xenolf/lego/challenge/dns01"
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"github.com/xenolf/lego/platform/config/env"
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"github.com/xenolf/lego/providers/dns/cloudxns/internal"
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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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APIKey string
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SecretKey string
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PropagationTimeout time.Duration
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PollingInterval time.Duration
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TTL int
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HTTPClient *http.Client
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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("CLOUDXNS_PROPAGATION_TIMEOUT", dns01.DefaultPropagationTimeout),
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PollingInterval: env.GetOrDefaultSecond("CLOUDXNS_POLLING_INTERVAL", dns01.DefaultPollingInterval),
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TTL: env.GetOrDefaultInt("CLOUDXNS_TTL", dns01.DefaultTTL),
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HTTPClient: &http.Client{
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Timeout: env.GetOrDefaultSecond("CLOUDXNS_HTTP_TIMEOUT", 30*time.Second),
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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
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type DNSProvider struct {
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config *Config
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client *internal.Client
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}
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// NewDNSProvider returns a DNSProvider instance configured for CloudXNS.
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// Credentials must be passed in the environment variables:
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// CLOUDXNS_API_KEY and CLOUDXNS_SECRET_KEY.
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func NewDNSProvider() (*DNSProvider, error) {
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values, err := env.Get("CLOUDXNS_API_KEY", "CLOUDXNS_SECRET_KEY")
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if err != nil {
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return nil, fmt.Errorf("CloudXNS: %v", err)
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}
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config := NewDefaultConfig()
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config.APIKey = values["CLOUDXNS_API_KEY"]
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config.SecretKey = values["CLOUDXNS_SECRET_KEY"]
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return NewDNSProviderConfig(config)
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}
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// NewDNSProviderConfig return a DNSProvider instance configured for CloudXNS.
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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("CloudXNS: the configuration of the DNS provider is nil")
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}
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client, err := internal.NewClient(config.APIKey, config.SecretKey)
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if err != nil {
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return nil, err
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}
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client.HTTPClient = config.HTTPClient
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return &DNSProvider{client: client, config: config}, nil
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}
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// Present creates a TXT record to fulfill the dns-01 challenge.
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func (d *DNSProvider) Present(domain, token, keyAuth string) error {
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fqdn, value := dns01.GetRecord(domain, keyAuth)
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info, err := d.client.GetDomainInformation(fqdn)
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if err != nil {
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return err
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}
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return d.client.AddTxtRecord(info, fqdn, value, d.config.TTL)
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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, _ := dns01.GetRecord(domain, keyAuth)
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info, err := d.client.GetDomainInformation(fqdn)
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if err != nil {
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return err
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}
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record, err := d.client.FindTxtRecord(info.ID, fqdn)
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if err != nil {
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return err
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}
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return d.client.RemoveTxtRecord(record.RecordID, info.ID)
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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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