client.go raw

   1  package internal
   2  
   3  import (
   4  	"context"
   5  	"fmt"
   6  	"net/http"
   7  	"net/url"
   8  	"time"
   9  
  10  	"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
  11  )
  12  
  13  const defaultBaseURL = "https://selfhost.de/cgi-bin/api.pl"
  14  
  15  // Client the SelfHost client.
  16  type Client struct {
  17  	username string
  18  	password string
  19  
  20  	baseURL    string
  21  	HTTPClient *http.Client
  22  }
  23  
  24  // NewClient Creates a new Client.
  25  func NewClient(username, password string) *Client {
  26  	return &Client{
  27  		username:   username,
  28  		password:   password,
  29  		baseURL:    defaultBaseURL,
  30  		HTTPClient: &http.Client{Timeout: 5 * time.Second},
  31  	}
  32  }
  33  
  34  // UpdateTXTRecord updates content of an existing TXT record.
  35  func (c *Client) UpdateTXTRecord(ctx context.Context, recordID, content string) error {
  36  	endpoint, err := url.Parse(c.baseURL)
  37  	if err != nil {
  38  		return fmt.Errorf("parse URL:  %w", err)
  39  	}
  40  
  41  	query := endpoint.Query()
  42  	query.Set("username", c.username)
  43  	query.Set("password", c.password)
  44  	query.Set("rid", recordID)
  45  	query.Set("content", content)
  46  
  47  	endpoint.RawQuery = query.Encode()
  48  
  49  	req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint.String(), nil)
  50  	if err != nil {
  51  		return fmt.Errorf("new HTTP request: %w", err)
  52  	}
  53  
  54  	resp, err := c.HTTPClient.Do(req)
  55  	if err != nil {
  56  		return errutils.NewHTTPDoError(req, err)
  57  	}
  58  
  59  	defer func() { _ = resp.Body.Close() }()
  60  
  61  	if resp.StatusCode/100 != 2 {
  62  		return errutils.NewUnexpectedResponseStatusCodeError(req, resp)
  63  	}
  64  
  65  	return nil
  66  }
  67