lego/providers/dns/easydns/internal/client.go
2024-03-03 15:41:55 +01:00

154 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"
)
// DefaultBaseURL the default API endpoint.
const DefaultBaseURL = "https://rest.easydns.net"
// Client the EasyDNS API client.
type Client struct {
token string
key string
BaseURL *url.URL
HTTPClient *http.Client
}
// NewClient Creates a new Client.
func NewClient(token string, key string) *Client {
baseURL, _ := url.Parse(DefaultBaseURL)
return &Client{
token: token,
key: key,
BaseURL: baseURL,
HTTPClient: &http.Client{Timeout: 5 * time.Second},
}
}
func (c *Client) ListZones(ctx context.Context, domain string) ([]ZoneRecord, error) {
endpoint := c.BaseURL.JoinPath("zones", "records", "all", domain)
req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, err
}
response := &apiResponse[[]ZoneRecord]{}
err = c.do(req, response)
if err != nil {
return nil, err
}
if response.Error != nil {
return nil, response.Error
}
return response.Data, nil
}
func (c *Client) AddRecord(ctx context.Context, domain string, record ZoneRecord) (string, error) {
endpoint := c.BaseURL.JoinPath("zones", "records", "add", domain, "TXT")
req, err := newJSONRequest(ctx, http.MethodPut, endpoint, record)
if err != nil {
return "", err
}
response := &apiResponse[*ZoneRecord]{}
err = c.do(req, response)
if err != nil {
return "", err
}
if response.Error != nil {
return "", response.Error
}
recordID := response.Data.ID
return recordID, nil
}
func (c *Client) DeleteRecord(ctx context.Context, domain, recordID string) error {
endpoint := c.BaseURL.JoinPath("zones", "records", domain, recordID)
req, err := newJSONRequest(ctx, http.MethodDelete, endpoint, nil)
if err != nil {
return err
}
err = c.do(req, nil)
return err
}
func (c *Client) do(req *http.Request, result any) error {
req.SetBasicAuth(c.token, c.key)
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)
}
}
query := endpoint.Query()
query.Set("format", "json")
endpoint.RawQuery = query.Encode()
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
}