fix: update lego.

vendor/github.com/go-acme/lego/providers/dns/dode/dode.go

@@ -0,0 +1,89 @@
+// Package dode implements a DNS provider for solving the DNS-01 challenge using do.de.
+package dode
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/go-acme/lego/challenge/dns01"
+	"github.com/go-acme/lego/platform/config/env"
+)
+
+// Config is used to configure the creation of the DNSProvider
+type Config struct {
+	Token              string
+	PropagationTimeout time.Duration
+	PollingInterval    time.Duration
+	SequenceInterval   time.Duration
+	HTTPClient         *http.Client
+}
+
+// NewDefaultConfig returns a default configuration for the DNSProvider
+func NewDefaultConfig() *Config {
+	return &Config{
+		PropagationTimeout: env.GetOrDefaultSecond("DODE_PROPAGATION_TIMEOUT", dns01.DefaultPropagationTimeout),
+		PollingInterval:    env.GetOrDefaultSecond("DODE_POLLING_INTERVAL", dns01.DefaultPollingInterval),
+		SequenceInterval:   env.GetOrDefaultSecond("DODE_SEQUENCE_INTERVAL", dns01.DefaultPropagationTimeout),
+		HTTPClient: &http.Client{
+			Timeout: env.GetOrDefaultSecond("DODE_HTTP_TIMEOUT", 30*time.Second),
+		},
+	}
+}
+
+// DNSProvider adds and removes the record for the DNS challenge
+type DNSProvider struct {
+	config *Config
+}
+
+// NewDNSProvider returns a new DNS provider using
+// environment variable DODE_TOKEN for adding and removing the DNS record.
+func NewDNSProvider() (*DNSProvider, error) {
+	values, err := env.Get("DODE_TOKEN")
+	if err != nil {
+		return nil, fmt.Errorf("do.de: %v", err)
+	}
+
+	config := NewDefaultConfig()
+	config.Token = values["DODE_TOKEN"]
+
+	return NewDNSProviderConfig(config)
+}
+
+// NewDNSProviderConfig return a DNSProvider instance configured for do.de.
+func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
+	if config == nil {
+		return nil, errors.New("do.de: the configuration of the DNS provider is nil")
+	}
+
+	if config.Token == "" {
+		return nil, errors.New("do.de: credentials missing")
+	}
+
+	return &DNSProvider{config: config}, nil
+}
+
+// Present creates a TXT record to fulfill the dns-01 challenge.
+func (d *DNSProvider) Present(domain, token, keyAuth string) error {
+	fqdn, txtRecord := dns01.GetRecord(domain, keyAuth)
+	return d.updateTxtRecord(fqdn, d.config.Token, txtRecord, false)
+}
+
+// CleanUp clears TXT record
+func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
+	fqdn, _ := dns01.GetRecord(domain, keyAuth)
+	return d.updateTxtRecord(fqdn, d.config.Token, "", true)
+}
+
+// Timeout returns the timeout and interval to use when checking for DNS propagation.
+// Adjusting here to cope with spikes in propagation times.
+func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
+	return d.config.PropagationTimeout, d.config.PollingInterval
+}
+
+// Sequential All DNS challenges for this provider will be resolved sequentially.
+// Returns the interval between each iteration.
+func (d *DNSProvider) Sequential() time.Duration {
+	return d.config.SequenceInterval
+}