Update lego.

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

@@ -0,0 +1,174 @@
+// Package joker implements a DNS provider for solving the DNS-01 challenge using joker.com DMAPI.
+package joker
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/go-acme/lego/challenge/dns01"
+	"github.com/go-acme/lego/log"
+	"github.com/go-acme/lego/platform/config/env"
+)
+
+// Config is used to configure the creation of the DNSProvider.
+type Config struct {
+	Debug              bool
+	BaseURL            string
+	APIKey             string
+	PropagationTimeout time.Duration
+	PollingInterval    time.Duration
+	TTL                int
+	HTTPClient         *http.Client
+	AuthSid            string
+}
+
+// NewDefaultConfig returns a default configuration for the DNSProvider
+func NewDefaultConfig() *Config {
+	return &Config{
+		BaseURL:            defaultBaseURL,
+		Debug:              env.GetOrDefaultBool("JOKER_DEBUG", false),
+		TTL:                env.GetOrDefaultInt("JOKER_TTL", dns01.DefaultTTL),
+		PropagationTimeout: env.GetOrDefaultSecond("JOKER_PROPAGATION_TIMEOUT", dns01.DefaultPropagationTimeout),
+		PollingInterval:    env.GetOrDefaultSecond("JOKER_POLLING_INTERVAL", dns01.DefaultPollingInterval),
+		HTTPClient: &http.Client{
+			Timeout: env.GetOrDefaultSecond("JOKER_HTTP_TIMEOUT", 60*time.Second),
+		},
+	}
+}
+
+// DNSProvider is an implementation of the ChallengeProviderTimeout interface
+// that uses Joker's DMAPI to manage TXT records for a domain.
+type DNSProvider struct {
+	config *Config
+}
+
+// NewDNSProvider returns a DNSProvider instance configured for Joker DMAPI.
+// Credentials must be passed in the environment variable JOKER_API_KEY.
+func NewDNSProvider() (*DNSProvider, error) {
+	values, err := env.Get("JOKER_API_KEY")
+	if err != nil {
+		return nil, fmt.Errorf("joker: %v", err)
+	}
+
+	config := NewDefaultConfig()
+	config.APIKey = values["JOKER_API_KEY"]
+
+	return NewDNSProviderConfig(config)
+}
+
+// NewDNSProviderConfig return a DNSProvider instance configured for Joker DMAPI.
+func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
+	if config == nil {
+		return nil, errors.New("joker: the configuration of the DNS provider is nil")
+	}
+
+	if config.APIKey == "" {
+		return nil, fmt.Errorf("joker: credentials missing")
+	}
+
+	if !strings.HasSuffix(config.BaseURL, "/") {
+		config.BaseURL += "/"
+	}
+
+	return &DNSProvider{config: config}, nil
+}
+
+// Timeout returns the timeout and interval to use when checking for DNS propagation.
+func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
+	return d.config.PropagationTimeout, d.config.PollingInterval
+}
+
+// Present installs a TXT record for the DNS challenge.
+func (d *DNSProvider) Present(domain, token, keyAuth string) error {
+	fqdn, value := dns01.GetRecord(domain, keyAuth)
+
+	zone, err := dns01.FindZoneByFqdn(fqdn)
+	if err != nil {
+		return fmt.Errorf("joker: %v", err)
+	}
+
+	relative := getRelative(fqdn, zone)
+
+	if d.config.Debug {
+		log.Infof("[%s] joker: adding TXT record %q to zone %q with value %q", domain, relative, zone, value)
+	}
+
+	response, err := d.login()
+	if err != nil {
+		return formatResponseError(response, err)
+	}
+
+	response, err = d.getZone(zone)
+	if err != nil || response.StatusCode != 0 {
+		return formatResponseError(response, err)
+	}
+
+	dnsZone := addTxtEntryToZone(response.Body, relative, value, d.config.TTL)
+
+	response, err = d.putZone(zone, dnsZone)
+	if err != nil || response.StatusCode != 0 {
+		return formatResponseError(response, err)
+	}
+
+	return nil
+}
+
+// CleanUp removes a TXT record used for a previous DNS challenge.
+func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
+	fqdn, _ := dns01.GetRecord(domain, keyAuth)
+
+	zone, err := dns01.FindZoneByFqdn(fqdn)
+	if err != nil {
+		return fmt.Errorf("joker: %v", err)
+	}
+
+	relative := getRelative(fqdn, zone)
+
+	if d.config.Debug {
+		log.Infof("[%s] joker: removing entry %q from zone %q", domain, relative, zone)
+	}
+
+	response, err := d.login()
+	if err != nil {
+		return formatResponseError(response, err)
+	}
+
+	defer func() {
+		// Try to logout in case of errors
+		_, _ = d.logout()
+	}()
+
+	response, err = d.getZone(zone)
+	if err != nil || response.StatusCode != 0 {
+		return formatResponseError(response, err)
+	}
+
+	dnsZone, modified := removeTxtEntryFromZone(response.Body, relative)
+	if modified {
+		response, err = d.putZone(zone, dnsZone)
+		if err != nil || response.StatusCode != 0 {
+			return formatResponseError(response, err)
+		}
+	}
+
+	response, err = d.logout()
+	if err != nil {
+		return formatResponseError(response, err)
+	}
+	return nil
+}
+
+func getRelative(fqdn, zone string) string {
+	return dns01.UnFqdn(strings.TrimSuffix(fqdn, dns01.ToFqdn(zone)))
+}
+
+// formatResponseError formats error with optional details from DMAPI response
+func formatResponseError(response *response, err error) error {
+	if response != nil {
+		return fmt.Errorf("joker: DMAPI error: %v Response: %v", err, response.Headers)
+	}
+	return fmt.Errorf("joker: DMAPI error: %v", err)
+}