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package joker
import (
"errors"
"fmt"
"time"
"github.com/go-acme/lego/v4/challenge/dns01"
"github.com/go-acme/lego/v4/platform/config/env"
"github.com/go-acme/lego/v4/providers/dns/joker/internal/svc"
)
// svcProvider implements the challenge.Provider interface.
type svcProvider struct {
config *Config
client *svc.Client
}
// newSvcProvider returns a DNSProvider instance configured for Joker.
// Credentials must be passed in the environment variable: JOKER_USERNAME, JOKER_PASSWORD.
func newSvcProvider() (*svcProvider, error) {
values, err := env.Get(EnvUsername, EnvPassword)
if err != nil {
return nil, fmt.Errorf("joker: %w", err)
}
config := NewDefaultConfig()
config.Username = values[EnvUsername]
config.Password = values[EnvPassword]
return newSvcProviderConfig(config)
}
// newSvcProviderConfig return a DNSProvider instance configured for Joker.
func newSvcProviderConfig(config *Config) (*svcProvider, error) {
if config == nil {
return nil, errors.New("joker: the configuration of the DNS provider is nil")
}
if config.Username == "" || config.Password == "" {
return nil, errors.New("joker: credentials missing")
}
client := svc.NewClient(config.Username, config.Password)
return &svcProvider{config: config, client: client}, 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 *svcProvider) Timeout() (timeout, interval time.Duration) {
return d.config.PropagationTimeout, d.config.PollingInterval
}
// Present creates a TXT record using the specified parameters.
func (d *svcProvider) Present(domain, token, keyAuth string) error {
fqdn, value := dns01.GetRecord(domain, keyAuth)
zone, err := dns01.FindZoneByFqdn(fqdn)
if err != nil {
return fmt.Errorf("joker: %w", err)
}
relative := getRelative(fqdn, zone)
return d.client.Send(dns01.UnFqdn(zone), relative, value)
}
// CleanUp removes the TXT record matching the specified parameters.
func (d *svcProvider) CleanUp(domain, token, keyAuth string) error {
fqdn, _ := dns01.GetRecord(domain, keyAuth)
zone, err := dns01.FindZoneByFqdn(fqdn)
if err != nil {
return fmt.Errorf("joker: %w", err)
}
relative := getRelative(fqdn, zone)
return d.client.Send(dns01.UnFqdn(zone), relative, "")
}
// Sequential All DNS challenges for this provider will be resolved sequentially.
// Returns the interval between each iteration.
func (d *svcProvider) Sequential() time.Duration {
return d.config.SequenceInterval
}
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