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