fix: update lego.

vendor/github.com/go-acme/lego/providers/dns/sakuracloud/client.go

@@ -0,0 +1,106 @@
+package sakuracloud
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/go-acme/lego/challenge/dns01"
+	"github.com/sacloud/libsacloud/api"
+	"github.com/sacloud/libsacloud/sacloud"
+)
+
+const sacloudAPILockKey = "lego/dns/sacloud"
+
+func (d *DNSProvider) addTXTRecord(fqdn, domain, value string, ttl int) error {
+	sacloud.LockByKey(sacloudAPILockKey)
+	defer sacloud.UnlockByKey(sacloudAPILockKey)
+
+	zone, err := d.getHostedZone(domain)
+	if err != nil {
+		return fmt.Errorf("sakuracloud: %v", err)
+	}
+
+	name := d.extractRecordName(fqdn, zone.Name)
+
+	zone.AddRecord(zone.CreateNewRecord(name, "TXT", value, ttl))
+	_, err = d.client.Update(zone.ID, zone)
+	if err != nil {
+		return fmt.Errorf("sakuracloud: API call failed: %v", err)
+	}
+
+	return nil
+}
+
+func (d *DNSProvider) cleanupTXTRecord(fqdn, domain string) error {
+	sacloud.LockByKey(sacloudAPILockKey)
+	defer sacloud.UnlockByKey(sacloudAPILockKey)
+
+	zone, err := d.getHostedZone(domain)
+	if err != nil {
+		return fmt.Errorf("sakuracloud: %v", err)
+	}
+
+	records := d.findTxtRecords(fqdn, zone)
+
+	for _, record := range records {
+		var updRecords []sacloud.DNSRecordSet
+		for _, r := range zone.Settings.DNS.ResourceRecordSets {
+			if !(r.Name == record.Name && r.Type == record.Type && r.RData == record.RData) {
+				updRecords = append(updRecords, r)
+			}
+		}
+		zone.Settings.DNS.ResourceRecordSets = updRecords
+	}
+
+	_, err = d.client.Update(zone.ID, zone)
+	if err != nil {
+		return fmt.Errorf("sakuracloud: API call failed: %v", err)
+	}
+	return nil
+}
+
+func (d *DNSProvider) getHostedZone(domain string) (*sacloud.DNS, error) {
+	authZone, err := dns01.FindZoneByFqdn(dns01.ToFqdn(domain))
+	if err != nil {
+		return nil, err
+	}
+
+	zoneName := dns01.UnFqdn(authZone)
+
+	res, err := d.client.Reset().WithNameLike(zoneName).Find()
+	if err != nil {
+		if notFound, ok := err.(api.Error); ok && notFound.ResponseCode() == http.StatusNotFound {
+			return nil, fmt.Errorf("zone %s not found on SakuraCloud DNS: %v", zoneName, err)
+		}
+		return nil, fmt.Errorf("API call failed: %v", err)
+	}
+
+	for _, zone := range res.CommonServiceDNSItems {
+		if zone.Name == zoneName {
+			return &zone, nil
+		}
+	}
+
+	return nil, fmt.Errorf("zone %s not found", zoneName)
+}
+
+func (d *DNSProvider) findTxtRecords(fqdn string, zone *sacloud.DNS) []sacloud.DNSRecordSet {
+	recordName := d.extractRecordName(fqdn, zone.Name)
+
+	var res []sacloud.DNSRecordSet
+	for _, record := range zone.Settings.DNS.ResourceRecordSets {
+		if record.Name == recordName && record.Type == "TXT" {
+			res = append(res, record)
+		}
+	}
+	return res
+}
+
+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
+}