160 lines
3.1 KiB
Go
160 lines
3.1 KiB
Go
package internal
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import (
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"bytes"
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"context"
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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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"net/url"
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"time"
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"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
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"github.com/google/go-querystring/query"
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)
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const defaultBaseURL = "https://pddimp.yandex.ru/api2/admin/dns"
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const successCode = "ok"
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const pddTokenHeader = "PddToken"
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type Client struct {
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pddToken string
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baseURL *url.URL
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HTTPClient *http.Client
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}
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func NewClient(pddToken string) (*Client, error) {
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if pddToken == "" {
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return nil, errors.New("PDD token is required")
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}
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baseURL, _ := url.Parse(defaultBaseURL)
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return &Client{
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pddToken: pddToken,
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baseURL: baseURL,
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HTTPClient: &http.Client{Timeout: 10 * time.Second},
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}, nil
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}
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func (c *Client) AddRecord(ctx context.Context, payload Record) (*Record, error) {
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endpoint := c.baseURL.JoinPath("add")
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req, err := newRequest(ctx, http.MethodPost, endpoint, payload)
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if err != nil {
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return nil, err
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}
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r := AddResponse{}
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err = c.do(req, &r)
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if err != nil {
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return nil, err
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}
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return r.Record, nil
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}
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func (c *Client) RemoveRecord(ctx context.Context, payload Record) (int, error) {
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endpoint := c.baseURL.JoinPath("del")
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req, err := newRequest(ctx, http.MethodPost, endpoint, payload)
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if err != nil {
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return 0, err
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}
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r := RemoveResponse{}
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err = c.do(req, &r)
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if err != nil {
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return 0, err
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}
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return r.RecordID, nil
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}
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func (c *Client) GetRecords(ctx context.Context, domain string) ([]Record, error) {
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endpoint := c.baseURL.JoinPath("list")
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payload := struct {
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Domain string `url:"domain"`
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}{Domain: domain}
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req, err := newRequest(ctx, http.MethodGet, endpoint, payload)
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if err != nil {
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return nil, err
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}
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r := ListResponse{}
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err = c.do(req, &r)
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if err != nil {
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return nil, err
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}
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return r.Records, nil
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}
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func (c *Client) do(req *http.Request, result Response) error {
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req.Header.Set(pddTokenHeader, c.pddToken)
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return errutils.NewHTTPDoError(req, err)
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}
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defer func() { _ = resp.Body.Close() }()
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raw, err := io.ReadAll(resp.Body)
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if err != nil {
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return errutils.NewReadResponseError(req, resp.StatusCode, err)
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}
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err = json.Unmarshal(raw, result)
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if err != nil {
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return errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
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}
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if result.GetSuccess() != successCode {
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return fmt.Errorf("error during operation: %s %s", result.GetSuccess(), result.GetError())
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}
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return nil
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}
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func newRequest(ctx context.Context, method string, endpoint *url.URL, payload any) (*http.Request, error) {
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buf := new(bytes.Buffer)
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if payload != nil {
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switch method {
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case http.MethodPost:
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values, err := query.Values(payload)
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if err != nil {
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return nil, err
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}
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buf.WriteString(values.Encode())
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case http.MethodGet:
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values, err := query.Values(payload)
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if err != nil {
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return nil, err
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}
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endpoint.RawQuery = values.Encode()
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}
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}
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req, err := http.NewRequestWithContext(ctx, method, endpoint.String(), buf)
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if err != nil {
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return nil, fmt.Errorf("unable to create request: %w", err)
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}
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if method == http.MethodPost {
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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}
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return req, nil
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}
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