Migrate to go-acme/lego.

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

@@ -0,0 +1,151 @@
+// Package godaddy implements a DNS provider for solving the DNS-01 challenge using godaddy DNS.
+package godaddy
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/go-acme/lego/challenge/dns01"
+	"github.com/go-acme/lego/platform/config/env"
+)
+
+const (
+	// defaultBaseURL represents the API endpoint to call.
+	defaultBaseURL = "https://api.godaddy.com"
+	minTTL         = 600
+)
+
+// Config is used to configure the creation of the DNSProvider
+type Config struct {
+	APIKey             string
+	APISecret          string
+	PropagationTimeout time.Duration
+	PollingInterval    time.Duration
+	SequenceInterval   time.Duration
+	TTL                int
+	HTTPClient         *http.Client
+}
+
+// NewDefaultConfig returns a default configuration for the DNSProvider
+func NewDefaultConfig() *Config {
+	return &Config{
+		TTL:                env.GetOrDefaultInt("GODADDY_TTL", minTTL),
+		PropagationTimeout: env.GetOrDefaultSecond("GODADDY_PROPAGATION_TIMEOUT", 120*time.Second),
+		PollingInterval:    env.GetOrDefaultSecond("GODADDY_POLLING_INTERVAL", 2*time.Second),
+		SequenceInterval:   env.GetOrDefaultSecond("GODADDY_SEQUENCE_INTERVAL", dns01.DefaultPropagationTimeout),
+		HTTPClient: &http.Client{
+			Timeout: env.GetOrDefaultSecond("GODADDY_HTTP_TIMEOUT", 30*time.Second),
+		},
+	}
+}
+
+// DNSProvider is an implementation of the acme.ChallengeProvider interface
+type DNSProvider struct {
+	config *Config
+}
+
+// NewDNSProvider returns a DNSProvider instance configured for godaddy.
+// Credentials must be passed in the environment variables:
+// GODADDY_API_KEY and GODADDY_API_SECRET.
+func NewDNSProvider() (*DNSProvider, error) {
+	values, err := env.Get("GODADDY_API_KEY", "GODADDY_API_SECRET")
+	if err != nil {
+		return nil, fmt.Errorf("godaddy: %v", err)
+	}
+
+	config := NewDefaultConfig()
+	config.APIKey = values["GODADDY_API_KEY"]
+	config.APISecret = values["GODADDY_API_SECRET"]
+
+	return NewDNSProviderConfig(config)
+}
+
+// NewDNSProviderConfig return a DNSProvider instance configured for godaddy.
+func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
+	if config == nil {
+		return nil, errors.New("godaddy: the configuration of the DNS provider is nil")
+	}
+
+	if config.APIKey == "" || config.APISecret == "" {
+		return nil, fmt.Errorf("godaddy: credentials missing")
+	}
+
+	if config.TTL < minTTL {
+		return nil, fmt.Errorf("godaddy: invalid TTL, TTL (%d) must be greater than %d", config.TTL, minTTL)
+	}
+
+	return &DNSProvider{config: config}, 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 *DNSProvider) Timeout() (timeout, interval time.Duration) {
+	return d.config.PropagationTimeout, d.config.PollingInterval
+}
+
+// Present creates a TXT record to fulfill the dns-01 challenge
+func (d *DNSProvider) Present(domain, token, keyAuth string) error {
+	fqdn, value := dns01.GetRecord(domain, keyAuth)
+	domainZone, err := d.getZone(fqdn)
+	if err != nil {
+		return err
+	}
+
+	recordName := d.extractRecordName(fqdn, domainZone)
+	rec := []DNSRecord{
+		{
+			Type: "TXT",
+			Name: recordName,
+			Data: value,
+			TTL:  d.config.TTL,
+		},
+	}
+
+	return d.updateRecords(rec, domainZone, recordName)
+}
+
+// CleanUp sets null value in the TXT DNS record as GoDaddy has no proper DELETE record method
+func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
+	fqdn, _ := dns01.GetRecord(domain, keyAuth)
+	domainZone, err := d.getZone(fqdn)
+	if err != nil {
+		return err
+	}
+
+	recordName := d.extractRecordName(fqdn, domainZone)
+	rec := []DNSRecord{
+		{
+			Type: "TXT",
+			Name: recordName,
+			Data: "null",
+		},
+	}
+
+	return d.updateRecords(rec, domainZone, recordName)
+}
+
+// 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
+}
+
+func (d *DNSProvider) extractRecordName(fqdn, domain string) string {
+	name := dns01.UnFqdn(fqdn)
+	if idx := strings.Index(name, "."+domain); idx != -1 {
+		return name[:idx]
+	}
+	return name
+}
+
+func (d *DNSProvider) getZone(fqdn string) (string, error) {
+	authZone, err := dns01.FindZoneByFqdn(fqdn)
+	if err != nil {
+		return "", err
+	}
+
+	return dns01.UnFqdn(authZone), nil
+}