mirror of
https://github.com/go-acme/lego.git
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e7a90b9471
- 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.
107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
package sakuracloud
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import (
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"fmt"
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"net/http"
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"strings"
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"github.com/go-acme/lego/v3/challenge/dns01"
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"github.com/sacloud/libsacloud/api"
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"github.com/sacloud/libsacloud/sacloud"
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)
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const sacloudAPILockKey = "lego/dns/sacloud"
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func (d *DNSProvider) addTXTRecord(fqdn, domain, value string, ttl int) error {
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sacloud.LockByKey(sacloudAPILockKey)
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defer sacloud.UnlockByKey(sacloudAPILockKey)
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zone, err := d.getHostedZone(domain)
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if err != nil {
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return fmt.Errorf("sakuracloud: %v", err)
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}
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name := d.extractRecordName(fqdn, zone.Name)
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zone.AddRecord(zone.CreateNewRecord(name, "TXT", value, ttl))
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_, err = d.client.Update(zone.ID, zone)
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if err != nil {
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return fmt.Errorf("sakuracloud: API call failed: %v", err)
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}
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return nil
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}
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func (d *DNSProvider) cleanupTXTRecord(fqdn, domain string) error {
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sacloud.LockByKey(sacloudAPILockKey)
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defer sacloud.UnlockByKey(sacloudAPILockKey)
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zone, err := d.getHostedZone(domain)
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if err != nil {
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return fmt.Errorf("sakuracloud: %v", err)
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}
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records := d.findTxtRecords(fqdn, zone)
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for _, record := range records {
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var updRecords []sacloud.DNSRecordSet
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for _, r := range zone.Settings.DNS.ResourceRecordSets {
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if !(r.Name == record.Name && r.Type == record.Type && r.RData == record.RData) {
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updRecords = append(updRecords, r)
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}
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}
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zone.Settings.DNS.ResourceRecordSets = updRecords
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}
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_, err = d.client.Update(zone.ID, zone)
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if err != nil {
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return fmt.Errorf("sakuracloud: API call failed: %v", err)
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}
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return nil
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}
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func (d *DNSProvider) getHostedZone(domain string) (*sacloud.DNS, error) {
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authZone, err := dns01.FindZoneByFqdn(dns01.ToFqdn(domain))
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if err != nil {
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return nil, err
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}
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zoneName := dns01.UnFqdn(authZone)
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res, err := d.client.Reset().WithNameLike(zoneName).Find()
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if err != nil {
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if notFound, ok := err.(api.Error); ok && notFound.ResponseCode() == http.StatusNotFound {
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return nil, fmt.Errorf("zone %s not found on SakuraCloud DNS: %v", zoneName, err)
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}
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return nil, fmt.Errorf("API call failed: %v", err)
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}
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for _, zone := range res.CommonServiceDNSItems {
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if zone.Name == zoneName {
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return &zone, nil
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}
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}
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return nil, fmt.Errorf("zone %s not found", zoneName)
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}
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func (d *DNSProvider) findTxtRecords(fqdn string, zone *sacloud.DNS) []sacloud.DNSRecordSet {
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recordName := d.extractRecordName(fqdn, zone.Name)
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var res []sacloud.DNSRecordSet
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for _, record := range zone.Settings.DNS.ResourceRecordSets {
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if record.Name == recordName && record.Type == "TXT" {
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res = append(res, record)
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}
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}
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return res
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}
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func (d *DNSProvider) extractRecordName(fqdn, domain string) string {
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name := dns01.UnFqdn(fqdn)
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if idx := strings.Index(name, "."+domain); idx != -1 {
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return name[:idx]
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}
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return name
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}
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