162 lines
3.9 KiB
Go
162 lines
3.9 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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"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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"golang.org/x/oauth2"
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)
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const defaultBaseURL = "https://api.netlify.com/api/v1"
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// Client Netlify API client.
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type Client struct {
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baseURL *url.URL
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httpClient *http.Client
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}
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// NewClient creates a new Client.
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func NewClient(hc *http.Client) *Client {
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baseURL, _ := url.Parse(defaultBaseURL)
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if hc == nil {
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hc = &http.Client{Timeout: 5 * time.Second}
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}
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return &Client{baseURL: baseURL, httpClient: hc}
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}
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// GetRecords gets a DNS records.
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func (c *Client) GetRecords(ctx context.Context, zoneID string) ([]DNSRecord, error) {
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endpoint := c.baseURL.JoinPath("dns_zones", zoneID, "dns_records")
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req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
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if err != nil {
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return nil, fmt.Errorf("failed to create request: %w", err)
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}
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resp, err := c.httpClient.Do(req)
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if err != nil {
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return nil, errutils.NewHTTPDoError(req, err)
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}
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defer func() { _ = resp.Body.Close() }()
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if resp.StatusCode != http.StatusOK {
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return nil, errutils.NewUnexpectedResponseStatusCodeError(req, resp)
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}
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raw, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, errutils.NewReadResponseError(req, resp.StatusCode, err)
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}
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var records []DNSRecord
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err = json.Unmarshal(raw, &records)
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if err != nil {
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return nil, errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
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}
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return records, nil
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}
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// CreateRecord creates a DNS records.
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func (c *Client) CreateRecord(ctx context.Context, zoneID string, record DNSRecord) (*DNSRecord, error) {
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endpoint := c.baseURL.JoinPath("dns_zones", zoneID, "dns_records")
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req, err := newJSONRequest(ctx, http.MethodPost, endpoint, record)
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if err != nil {
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return nil, fmt.Errorf("failed to create request: %w", err)
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}
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resp, err := c.httpClient.Do(req)
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if err != nil {
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return nil, errutils.NewHTTPDoError(req, err)
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}
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defer func() { _ = resp.Body.Close() }()
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if resp.StatusCode != http.StatusCreated {
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return nil, errutils.NewUnexpectedResponseStatusCodeError(req, resp)
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}
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raw, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, errutils.NewReadResponseError(req, resp.StatusCode, err)
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}
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var recordResp DNSRecord
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err = json.Unmarshal(raw, &recordResp)
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if err != nil {
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return nil, errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
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}
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return &recordResp, nil
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}
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// RemoveRecord removes a DNS records.
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func (c *Client) RemoveRecord(ctx context.Context, zoneID, recordID string) error {
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endpoint := c.baseURL.JoinPath("dns_zones", zoneID, "dns_records", recordID)
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req, err := newJSONRequest(ctx, http.MethodDelete, endpoint, nil)
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if err != nil {
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return err
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}
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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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if resp.StatusCode != http.StatusNoContent {
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return errutils.NewUnexpectedResponseStatusCodeError(req, resp)
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}
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return nil
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}
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func newJSONRequest(ctx context.Context, method string, endpoint *url.URL, payload interface{}) (*http.Request, error) {
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buf := new(bytes.Buffer)
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if payload != nil {
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err := json.NewEncoder(buf).Encode(payload)
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if err != nil {
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return nil, fmt.Errorf("failed to create request JSON body: %w", err)
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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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req.Header.Set("Accept", "application/json")
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if payload != nil {
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req.Header.Set("Content-Type", "application/json; charset=utf-8")
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}
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return req, nil
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}
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func OAuthStaticAccessToken(client *http.Client, accessToken string) *http.Client {
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if client == nil {
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client = &http.Client{Timeout: 5 * time.Second}
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}
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client.Transport = &oauth2.Transport{
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Source: oauth2.StaticTokenSource(&oauth2.Token{AccessToken: accessToken}),
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Base: client.Transport,
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}
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return client
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}
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