lego/providers/dns/zoneee/client.go
2021-08-25 11:44:11 +02:00

131 lines
2.9 KiB
Go

package zoneee
import (
"bytes"
"encoding/json"
"fmt"
"io"
"net/http"
"path"
)
const defaultEndpoint = "https://api.zone.eu/v2/dns/"
type txtRecord struct {
// Identifier (identificator)
ID string `json:"id,omitempty"`
// Hostname
Name string `json:"name"`
// TXT content value
Destination string `json:"destination"`
// Can this record be deleted
Delete bool `json:"delete,omitempty"`
// Can this record be modified
Modify bool `json:"modify,omitempty"`
// API url to get this entity
ResourceURL string `json:"resource_url,omitempty"`
}
func (d *DNSProvider) addTxtRecord(domain string, record txtRecord) ([]txtRecord, error) {
reqBody := &bytes.Buffer{}
if err := json.NewEncoder(reqBody).Encode(record); err != nil {
return nil, err
}
req, err := d.makeRequest(http.MethodPost, path.Join(domain, "txt"), reqBody)
if err != nil {
return nil, err
}
var resp []txtRecord
if err := d.sendRequest(req, &resp); err != nil {
return nil, err
}
return resp, nil
}
func (d *DNSProvider) getTxtRecords(domain string) ([]txtRecord, error) {
req, err := d.makeRequest(http.MethodGet, path.Join(domain, "txt"), nil)
if err != nil {
return nil, err
}
var resp []txtRecord
if err := d.sendRequest(req, &resp); err != nil {
return nil, err
}
return resp, nil
}
func (d *DNSProvider) removeTxtRecord(domain, id string) error {
req, err := d.makeRequest(http.MethodDelete, path.Join(domain, "txt", id), nil)
if err != nil {
return err
}
return d.sendRequest(req, nil)
}
func (d *DNSProvider) makeRequest(method, resource string, body io.Reader) (*http.Request, error) {
uri, err := d.config.Endpoint.Parse(resource)
if err != nil {
return nil, err
}
req, err := http.NewRequest(method, uri.String(), body)
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
req.SetBasicAuth(d.config.Username, d.config.APIKey)
return req, nil
}
func (d *DNSProvider) sendRequest(req *http.Request, result interface{}) error {
resp, err := d.config.HTTPClient.Do(req)
if err != nil {
return err
}
if err = checkResponse(resp); err != nil {
return err
}
defer resp.Body.Close()
if result == nil {
return nil
}
raw, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
err = json.Unmarshal(raw, result)
if err != nil {
return fmt.Errorf("unmarshaling %T error [status code=%d]: %w: %s", result, resp.StatusCode, err, string(raw))
}
return err
}
func checkResponse(resp *http.Response) error {
if resp.StatusCode < http.StatusBadRequest {
return nil
}
if resp.Body == nil {
return fmt.Errorf("response body is nil, status code=%d", resp.StatusCode)
}
defer resp.Body.Close()
raw, err := io.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("unable to read body: status code=%d, error=%w", resp.StatusCode, err)
}
return fmt.Errorf("status code=%d: %s", resp.StatusCode, string(raw))
}