166 lines
4.4 KiB
Go
166 lines
4.4 KiB
Go
package joker
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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/go-acme/lego/v4/challenge/dns01"
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"github.com/go-acme/lego/v4/log"
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"github.com/go-acme/lego/v4/platform/config/env"
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"github.com/go-acme/lego/v4/providers/dns/joker/internal/dmapi"
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)
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// dmapiProvider implements the challenge.Provider interface.
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type dmapiProvider struct {
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config *Config
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client *dmapi.Client
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}
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// newDmapiProvider returns a DNSProvider instance configured for Joker.
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// Credentials must be passed in the environment variable: JOKER_USERNAME, JOKER_PASSWORD or JOKER_API_KEY.
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func newDmapiProvider() (*dmapiProvider, error) {
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values, err := env.Get(EnvAPIKey)
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if err != nil {
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var errU error
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values, errU = env.Get(EnvUsername, EnvPassword)
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if errU != nil {
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//nolint:errorlint // false-positive
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return nil, fmt.Errorf("joker: %v or %v", errU, err)
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}
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}
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config := NewDefaultConfig()
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config.APIKey = values[EnvAPIKey]
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config.Username = values[EnvUsername]
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config.Password = values[EnvPassword]
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return newDmapiProviderConfig(config)
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}
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// newDmapiProviderConfig return a DNSProvider instance configured for Joker.
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func newDmapiProviderConfig(config *Config) (*dmapiProvider, error) {
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if config == nil {
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return nil, errors.New("joker: the configuration of the DNS provider is nil")
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}
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if config.APIKey == "" {
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if config.Username == "" || config.Password == "" {
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return nil, errors.New("joker: credentials missing")
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}
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}
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client := dmapi.NewClient(dmapi.AuthInfo{
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APIKey: config.APIKey,
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Username: config.Username,
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Password: config.Password,
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})
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client.Debug = config.Debug
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if config.HTTPClient != nil {
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client.HTTPClient = config.HTTPClient
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}
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return &dmapiProvider{config: config, client: client}, nil
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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 *dmapiProvider) Timeout() (timeout, interval time.Duration) {
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return d.config.PropagationTimeout, d.config.PollingInterval
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}
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// Present creates a TXT record using the specified parameters.
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func (d *dmapiProvider) Present(domain, token, keyAuth string) error {
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fqdn, value := dns01.GetRecord(domain, keyAuth)
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zone, err := dns01.FindZoneByFqdn(fqdn)
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if err != nil {
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return fmt.Errorf("joker: %w", err)
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}
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subDomain, err := dns01.ExtractSubDomain(fqdn, zone)
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if err != nil {
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return fmt.Errorf("joker: %w", err)
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}
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if d.config.Debug {
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log.Infof("[%s] joker: adding TXT record %q to zone %q with value %q", domain, subDomain, zone, value)
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}
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response, err := d.client.Login()
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if err != nil {
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return formatResponseError(response, err)
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}
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response, err = d.client.GetZone(zone)
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if err != nil || response.StatusCode != 0 {
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return formatResponseError(response, err)
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}
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dnsZone := dmapi.AddTxtEntryToZone(response.Body, subDomain, value, d.config.TTL)
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response, err = d.client.PutZone(zone, dnsZone)
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if err != nil || response.StatusCode != 0 {
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return formatResponseError(response, err)
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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 *dmapiProvider) CleanUp(domain, token, keyAuth string) error {
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fqdn, _ := dns01.GetRecord(domain, keyAuth)
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zone, err := dns01.FindZoneByFqdn(fqdn)
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if err != nil {
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return fmt.Errorf("joker: %w", err)
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}
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subDomain, err := dns01.ExtractSubDomain(fqdn, zone)
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if err != nil {
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return fmt.Errorf("joker: %w", err)
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}
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if d.config.Debug {
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log.Infof("[%s] joker: removing entry %q from zone %q", domain, subDomain, zone)
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}
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response, err := d.client.Login()
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if err != nil {
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return formatResponseError(response, err)
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}
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defer func() {
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// Try to log out in case of errors
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_, _ = d.client.Logout()
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}()
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response, err = d.client.GetZone(zone)
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if err != nil || response.StatusCode != 0 {
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return formatResponseError(response, err)
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}
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dnsZone, modified := dmapi.RemoveTxtEntryFromZone(response.Body, subDomain)
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if modified {
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response, err = d.client.PutZone(zone, dnsZone)
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if err != nil || response.StatusCode != 0 {
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return formatResponseError(response, err)
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}
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}
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response, err = d.client.Logout()
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if err != nil {
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return formatResponseError(response, err)
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}
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return nil
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}
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// formatResponseError formats error with optional details from DMAPI response.
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func formatResponseError(response *dmapi.Response, err error) error {
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if response != nil {
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return fmt.Errorf("joker: DMAPI error: %w Response: %v", err, response.Headers)
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}
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return fmt.Errorf("joker: DMAPI error: %w", err)
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}
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