mirror of
https://github.com/go-acme/lego.git
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124 lines
3.0 KiB
Go
124 lines
3.0 KiB
Go
package hostingde
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"time"
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"github.com/cenkalti/backoff/v4"
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)
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const defaultBaseURL = "https://secure.hosting.de/api/dns/v1/json"
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// https://www.hosting.de/api/?json#list-zoneconfigs
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func (d *DNSProvider) listZoneConfigs(findRequest ZoneConfigsFindRequest) (*ZoneConfigsFindResponse, error) {
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uri := defaultBaseURL + "/zoneConfigsFind"
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findResponse := &ZoneConfigsFindResponse{}
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rawResp, err := d.post(uri, findRequest, findResponse)
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if err != nil {
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return nil, err
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}
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if len(findResponse.Response.Data) == 0 {
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return nil, fmt.Errorf("%w: %s", err, toUnreadableBodyMessage(uri, rawResp))
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}
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if findResponse.Status != "success" && findResponse.Status != "pending" {
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return findResponse, errors.New(toUnreadableBodyMessage(uri, rawResp))
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}
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return findResponse, nil
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}
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// https://www.hosting.de/api/?json#updating-zones
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func (d *DNSProvider) updateZone(updateRequest ZoneUpdateRequest) (*ZoneUpdateResponse, error) {
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uri := defaultBaseURL + "/zoneUpdate"
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// but we'll need the ID later to delete the record
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updateResponse := &ZoneUpdateResponse{}
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rawResp, err := d.post(uri, updateRequest, updateResponse)
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if err != nil {
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return nil, err
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}
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if updateResponse.Status != "success" && updateResponse.Status != "pending" {
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return nil, errors.New(toUnreadableBodyMessage(uri, rawResp))
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}
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return updateResponse, nil
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}
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func (d *DNSProvider) getZone(findRequest ZoneConfigsFindRequest) (*ZoneConfig, error) {
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var zoneConfig *ZoneConfig
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operation := func() error {
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findResponse, err := d.listZoneConfigs(findRequest)
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if err != nil {
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return backoff.Permanent(err)
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}
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if findResponse.Response.Data[0].Status != "active" {
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return fmt.Errorf("unexpected status: %q", findResponse.Response.Data[0].Status)
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}
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zoneConfig = &findResponse.Response.Data[0]
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return nil
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}
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bo := backoff.NewExponentialBackOff()
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bo.InitialInterval = 3 * time.Second
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bo.MaxInterval = 10 * bo.InitialInterval
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bo.MaxElapsedTime = 100 * bo.InitialInterval
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// retry in case the zone was edited recently and is not yet active
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err := backoff.Retry(operation, bo)
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if err != nil {
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return nil, err
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}
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return zoneConfig, nil
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}
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func (d *DNSProvider) post(uri string, request, response interface{}) ([]byte, error) {
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body, err := json.Marshal(request)
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if err != nil {
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return nil, err
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}
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req, err := http.NewRequest(http.MethodPost, uri, bytes.NewReader(body))
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if err != nil {
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return nil, err
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}
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resp, err := d.config.HTTPClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("error querying API: %w", err)
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}
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defer resp.Body.Close()
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content, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, errors.New(toUnreadableBodyMessage(uri, content))
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}
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err = json.Unmarshal(content, response)
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if err != nil {
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return nil, fmt.Errorf("%w: %s", err, toUnreadableBodyMessage(uri, content))
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}
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return content, nil
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}
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func toUnreadableBodyMessage(uri string, rawBody []byte) string {
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return fmt.Sprintf("the request %s sent a response with a body which is an invalid format: %q", uri, string(rawBody))
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}
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