lego/providers/dns/mijnhost/internal/client.go
2024-08-29 21:07:01 +02:00

160 lines
3.5 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"
)
const defaultBaseURL = "https://mijn.host/api/v2/"
const authorizationHeader = "API-Key"
// Client a mijn.host DNS API client.
type Client struct {
apiKey string
baseURL *url.URL
HTTPClient *http.Client
}
// NewClient creates a new Client.
func NewClient(apiKey string) *Client {
baseURL, _ := url.Parse(defaultBaseURL)
return &Client{
apiKey: apiKey,
baseURL: baseURL,
HTTPClient: &http.Client{Timeout: 10 * time.Second},
}
}
// ListDomains Retrieve all domains from an account.
// https://mijn.host/api/doc/api-3563872
func (c Client) ListDomains(ctx context.Context) ([]Domain, error) {
endpoint := c.baseURL.JoinPath("domains")
req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, fmt.Errorf("create request: %w", err)
}
var results Response[DomainData]
err = c.do(req, &results)
if err != nil {
return nil, err
}
return results.Data.Domains, nil
}
// GetRecords Retrieve DNS records of specific domain.
// https://mijn.host/api/doc/api-3563906
func (c Client) GetRecords(ctx context.Context, domain string) ([]Record, error) {
endpoint := c.baseURL.JoinPath("domains", domain, "dns")
req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, fmt.Errorf("create request: %w", err)
}
var results Response[RecordData]
err = c.do(req, &results)
if err != nil {
return nil, err
}
return results.Data.Records, nil
}
// UpdateRecords Update DNS records of specific domain.
// https://mijn.host/api/doc/api-3563907
func (c Client) UpdateRecords(ctx context.Context, domain string, records []Record) error {
endpoint := c.baseURL.JoinPath("domains", domain, "dns")
req, err := newJSONRequest(ctx, http.MethodPut, endpoint, RecordData{Records: records})
if err != nil {
return fmt.Errorf("create request: %w", err)
}
err = c.do(req, nil)
if err != nil {
return err
}
return nil
}
func (c Client) do(req *http.Request, result any) error {
req.Header.Set(authorizationHeader, c.apiKey)
resp, err := c.HTTPClient.Do(req)
if err != nil {
return errutils.NewHTTPDoError(req, err)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode != http.StatusOK {
return parseError(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
}
func parseError(req *http.Request, resp *http.Response) error {
raw, _ := io.ReadAll(resp.Body)
var errAPI APIError
err := json.Unmarshal(raw, &errAPI)
if err != nil {
return errutils.NewUnexpectedStatusCodeError(req, resp.StatusCode, raw)
}
return &errAPI
}