143 lines
3.4 KiB
Go
143 lines
3.4 KiB
Go
package internal
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"net/url"
|
|
"path"
|
|
"time"
|
|
|
|
"github.com/go-acme/lego/v4/challenge/dns01"
|
|
)
|
|
|
|
const defaultBaseURL = "https://api.vercel.com"
|
|
|
|
// Client Vercel client.
|
|
type Client struct {
|
|
authToken string
|
|
teamID string
|
|
baseURL *url.URL
|
|
HTTPClient *http.Client
|
|
}
|
|
|
|
// NewClient creates a Client.
|
|
func NewClient(authToken string, teamID string) *Client {
|
|
baseURL, _ := url.Parse(defaultBaseURL)
|
|
|
|
return &Client{
|
|
authToken: authToken,
|
|
teamID: teamID,
|
|
baseURL: baseURL,
|
|
HTTPClient: &http.Client{Timeout: 10 * time.Second},
|
|
}
|
|
}
|
|
|
|
// CreateRecord creates a DNS record.
|
|
// https://vercel.com/docs/rest-api#endpoints/dns/create-a-dns-record
|
|
func (c *Client) CreateRecord(zone string, record Record) (*CreateRecordResponse, error) {
|
|
endpoint, err := c.baseURL.Parse(path.Join(c.baseURL.Path, "v2", "domains", dns01.UnFqdn(zone), "records"))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
body, err := json.Marshal(record)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
req, err := c.newRequest(http.MethodPost, endpoint.String(), bytes.NewReader(body))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
resp, err := c.HTTPClient.Do(req)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer func() { _ = resp.Body.Close() }()
|
|
|
|
if resp.StatusCode >= http.StatusBadRequest {
|
|
return nil, readError(req, resp)
|
|
}
|
|
|
|
content, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return nil, errors.New(toUnreadableBodyMessage(req, content))
|
|
}
|
|
|
|
// Everything looks good; but we'll need the ID later to delete the record
|
|
respData := &CreateRecordResponse{}
|
|
err = json.Unmarshal(content, respData)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("%w: %s", err, toUnreadableBodyMessage(req, content))
|
|
}
|
|
|
|
return respData, nil
|
|
}
|
|
|
|
// DeleteRecord deletes a DNS record.
|
|
// https://vercel.com/docs/rest-api#endpoints/dns/delete-a-dns-record
|
|
func (c *Client) DeleteRecord(zone string, recordID string) error {
|
|
endpoint, err := c.baseURL.Parse(path.Join(c.baseURL.Path, "v2", "domains", dns01.UnFqdn(zone), "records", recordID))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
req, err := c.newRequest(http.MethodDelete, endpoint.String(), nil)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
resp, err := c.HTTPClient.Do(req)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer func() { _ = resp.Body.Close() }()
|
|
|
|
if resp.StatusCode >= http.StatusBadRequest {
|
|
return readError(req, resp)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *Client) newRequest(method, reqURL string, body io.Reader) (*http.Request, error) {
|
|
req, err := http.NewRequest(method, reqURL, body)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if c.teamID != "" {
|
|
query := req.URL.Query()
|
|
query.Add("teamId", c.teamID)
|
|
req.URL.RawQuery = query.Encode()
|
|
}
|
|
|
|
req.Header.Set("Content-Type", "application/json")
|
|
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", c.authToken))
|
|
|
|
return req, nil
|
|
}
|
|
|
|
func readError(req *http.Request, resp *http.Response) error {
|
|
content, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return errors.New(toUnreadableBodyMessage(req, content))
|
|
}
|
|
|
|
var errInfo APIErrorResponse
|
|
err = json.Unmarshal(content, &errInfo)
|
|
if err != nil {
|
|
return fmt.Errorf("API Error unmarshaling error: %w: %s", err, toUnreadableBodyMessage(req, content))
|
|
}
|
|
|
|
return fmt.Errorf("HTTP %d: %w", resp.StatusCode, errInfo.Error)
|
|
}
|
|
|
|
func toUnreadableBodyMessage(req *http.Request, rawBody []byte) string {
|
|
return fmt.Sprintf("the request %s sent a response with a body which is an invalid format: %q", req.URL, string(rawBody))
|
|
}
|