traefik/vendor/github.com/xenolf/lego/providers/dns/nifcloud/nifcloud.go
Ludovic Fernandez 139f280f35 ACME TLS ALPN
2018-07-03 12:44:04 +02:00

103 lines
2.9 KiB
Go

// Package nifcloud implements a DNS provider for solving the DNS-01 challenge
// using NIFCLOUD DNS.
package nifcloud
import (
"fmt"
"net/http"
"os"
"time"
"github.com/xenolf/lego/acme"
"github.com/xenolf/lego/platform/config/env"
)
// DNSProvider implements the acme.ChallengeProvider interface
type DNSProvider struct {
client *Client
}
// NewDNSProvider returns a DNSProvider instance configured for the NIFCLOUD DNS service.
// Credentials must be passed in the environment variables: NIFCLOUD_ACCESS_KEY_ID and NIFCLOUD_SECRET_ACCESS_KEY.
func NewDNSProvider() (*DNSProvider, error) {
values, err := env.Get("NIFCLOUD_ACCESS_KEY_ID", "NIFCLOUD_SECRET_ACCESS_KEY")
if err != nil {
return nil, fmt.Errorf("NIFCLOUD: %v", err)
}
endpoint := os.Getenv("NIFCLOUD_DNS_ENDPOINT")
if endpoint == "" {
endpoint = defaultEndpoint
}
httpClient := &http.Client{Timeout: 30 * time.Second}
return NewDNSProviderCredentials(httpClient, endpoint, values["NIFCLOUD_ACCESS_KEY_ID"], values["NIFCLOUD_SECRET_ACCESS_KEY"])
}
// NewDNSProviderCredentials uses the supplied credentials to return a
// DNSProvider instance configured for NIFCLOUD.
func NewDNSProviderCredentials(httpClient *http.Client, endpoint, accessKey, secretKey string) (*DNSProvider, error) {
client := newClient(httpClient, accessKey, secretKey, endpoint)
return &DNSProvider{
client: client,
}, nil
}
// Present creates a TXT record using the specified parameters
func (d *DNSProvider) Present(domain, token, keyAuth string) error {
fqdn, value, ttl := acme.DNS01Record(domain, keyAuth)
return d.changeRecord("CREATE", fqdn, value, domain, ttl)
}
// CleanUp removes the TXT record matching the specified parameters
func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
fqdn, value, ttl := acme.DNS01Record(domain, keyAuth)
return d.changeRecord("DELETE", fqdn, value, domain, ttl)
}
func (d *DNSProvider) changeRecord(action, fqdn, value, domain string, ttl int) error {
name := acme.UnFqdn(fqdn)
reqParams := ChangeResourceRecordSetsRequest{
XMLNs: xmlNs,
ChangeBatch: ChangeBatch{
Comment: "Managed by Lego",
Changes: Changes{
Change: []Change{
{
Action: action,
ResourceRecordSet: ResourceRecordSet{
Name: name,
Type: "TXT",
TTL: ttl,
ResourceRecords: ResourceRecords{
ResourceRecord: []ResourceRecord{
{
Value: value,
},
},
},
},
},
},
},
},
}
resp, err := d.client.ChangeResourceRecordSets(domain, reqParams)
if err != nil {
return fmt.Errorf("failed to change NIFCLOUD record set: %v", err)
}
statusID := resp.ChangeInfo.ID
return acme.WaitFor(120*time.Second, 4*time.Second, func() (bool, error) {
resp, err := d.client.GetChange(statusID)
if err != nil {
return false, fmt.Errorf("failed to query NIFCLOUD DNS change status: %v", err)
}
return resp.ChangeInfo.Status == "INSYNC", nil
})
}