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mirror of https://github.com/go-acme/lego.git synced 2024-12-05 03:58:54 +02:00
lego/providers/dns/sakuracloud/client.go
Fernandez Ludovic e7a90b9471 chore: migrate to go module (v3.0.0)
- chore: update dependencies: use version with go modules.
- chore: remove dep.
- chore: update backoff imports.
- chore: init go module.
- chore: update CI.
- chore: mod v3
- chore: update docker image.
2019-08-07 14:07:47 +02:00

107 lines
2.7 KiB
Go

package sakuracloud
import (
"fmt"
"net/http"
"strings"
"github.com/go-acme/lego/v3/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
}