lego/providers/dns/zoneee/internal/client.go
2023-05-05 09:49:38 +02:00

142 lines
3.2 KiB
Go

package internal
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"time"
"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
)
// DefaultEndpoint the default API endpoint.
const DefaultEndpoint = "https://api.zone.eu/v2/"
// Client the API client for Zoneee.
type Client struct {
username string
apiKey string
BaseURL *url.URL
HTTPClient *http.Client
}
// NewClient creates a new Client.
func NewClient(username string, apiKey string) *Client {
baseURL, _ := url.Parse(DefaultEndpoint)
return &Client{
username: username,
apiKey: apiKey,
BaseURL: baseURL,
HTTPClient: &http.Client{Timeout: 5 * time.Second},
}
}
// GetTxtRecords get TXT records.
// https://api.zone.eu/v2#operation/getdnstxtrecords
func (c *Client) GetTxtRecords(ctx context.Context, domain string) ([]TXTRecord, error) {
endpoint := c.BaseURL.JoinPath("dns", domain, "txt")
req, err := newJSONRequest(ctx, http.MethodGet, endpoint, http.NoBody)
if err != nil {
return nil, err
}
var records []TXTRecord
if err := c.do(req, &records); err != nil {
return nil, err
}
return records, nil
}
// AddTxtRecord creates a TXT records.
// https://api.zone.eu/v2#operation/creatednstxtrecord
func (c *Client) AddTxtRecord(ctx context.Context, domain string, record TXTRecord) ([]TXTRecord, error) {
endpoint := c.BaseURL.JoinPath("dns", domain, "txt")
req, err := newJSONRequest(ctx, http.MethodPost, endpoint, record)
if err != nil {
return nil, err
}
var records []TXTRecord
if err := c.do(req, &records); err != nil {
return nil, err
}
return records, nil
}
// RemoveTxtRecord deletes a TXT record.
// https://api.zone.eu/v2#operation/deletednstxtrecord
func (c *Client) RemoveTxtRecord(ctx context.Context, domain, id string) error {
endpoint := c.BaseURL.JoinPath("dns", domain, "txt", id)
req, err := newJSONRequest(ctx, http.MethodDelete, endpoint, nil)
if err != nil {
return err
}
return c.do(req, nil)
}
func (c *Client) do(req *http.Request, result any) error {
req.SetBasicAuth(c.username, c.apiKey)
resp, err := c.HTTPClient.Do(req)
if err != nil {
return errutils.NewHTTPDoError(req, err)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode/100 != 2 {
return errutils.NewUnexpectedResponseStatusCodeError(req, resp)
}
if result == nil {
return nil
}
raw, err := io.ReadAll(resp.Body)
if err != nil {
return errutils.NewReadResponseError(req, resp.StatusCode, err)
}
err = json.Unmarshal(raw, result)
if err != nil {
return errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
}
return nil
}
func newJSONRequest(ctx context.Context, method string, endpoint *url.URL, payload any) (*http.Request, error) {
buf := new(bytes.Buffer)
if payload != nil {
err := json.NewEncoder(buf).Encode(payload)
if err != nil {
return nil, fmt.Errorf("failed to create request JSON body: %w", err)
}
}
req, err := http.NewRequestWithContext(ctx, method, endpoint.String(), buf)
if err != nil {
return nil, fmt.Errorf("unable to create request: %w", err)
}
req.Header.Set("Accept", "application/json")
if payload != nil {
req.Header.Set("Content-Type", "application/json")
}
return req, nil
}