106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
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
|
|
}
|