lego/providers/dns/directadmin/internal/client.go

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package internal
import (
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"strings"
"time"
"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
querystring "github.com/google/go-querystring/query"
)
// Client the Direct Admin API client.
type Client struct {
baseURL *url.URL
HTTPClient *http.Client
username string
password string
}
// NewClient creates a new Client.
func NewClient(baseURL, username, password string) (*Client, error) {
api, err := url.Parse(baseURL)
if err != nil {
return nil, err
}
return &Client{
baseURL: api,
HTTPClient: &http.Client{Timeout: 10 * time.Second},
username: username,
password: password,
}, nil
}
func (c Client) SetRecord(ctx context.Context, domain string, record Record) error {
data, err := querystring.Values(record)
if err != nil {
return err
}
data.Set("action", "add")
return c.do(ctx, domain, data)
}
func (c Client) DeleteRecord(ctx context.Context, domain string, record Record) error {
data, err := querystring.Values(record)
if err != nil {
return err
}
data.Set("action", "delete")
return c.do(ctx, domain, data)
}
func (c Client) do(ctx context.Context, domain string, data url.Values) error {
endpoint := c.baseURL.JoinPath("CMD_API_DNS_CONTROL")
query := endpoint.Query()
query.Set("domain", domain)
query.Set("json", "yes")
endpoint.RawQuery = query.Encode()
req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint.String(), strings.NewReader(data.Encode()))
if err != nil {
return fmt.Errorf("unable to create request: %w", err)
}
req.SetBasicAuth(c.username, c.password)
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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)
}
return nil
}
func parseError(req *http.Request, resp *http.Response) error {
raw, _ := io.ReadAll(resp.Body)
var errInfo APIError
err := json.Unmarshal(raw, &errInfo)
if err != nil {
return errutils.NewUnexpectedStatusCodeError(req, resp.StatusCode, raw)
}
return fmt.Errorf("[status code %d] %w", resp.StatusCode, errInfo)
}