lego/providers/dns/regru/internal/client.go
2023-05-05 09:49:38 +02:00

132 lines
3.1 KiB
Go

package internal
import (
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"time"
"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
)
const defaultBaseURL = "https://api.reg.ru/api/regru2/"
// Client the reg.ru client.
type Client struct {
username string
password string
baseURL *url.URL
HTTPClient *http.Client
}
// NewClient Creates a reg.ru client.
func NewClient(username, password string) *Client {
baseURL, _ := url.Parse(defaultBaseURL)
return &Client{
username: username,
password: password,
baseURL: baseURL,
HTTPClient: &http.Client{Timeout: 5 * time.Second},
}
}
// RemoveTxtRecord removes a TXT record.
// https://www.reg.ru/support/help/api2#zone_remove_record
func (c Client) RemoveTxtRecord(ctx context.Context, domain, subDomain, content string) error {
request := RemoveRecordRequest{
Username: c.username,
Password: c.password,
Domains: []Domain{{DName: domain}},
SubDomain: subDomain,
Content: content,
RecordType: "TXT",
OutputContentType: "plain",
}
resp, err := c.doRequest(ctx, request, "zone", "remove_record")
if err != nil {
return err
}
return resp.HasError()
}
// AddTXTRecord adds a TXT record.
// https://www.reg.ru/support/help/api2#zone_add_txt
func (c Client) AddTXTRecord(ctx context.Context, domain, subDomain, content string) error {
request := AddTxtRequest{
Username: c.username,
Password: c.password,
Domains: []Domain{{DName: domain}},
SubDomain: subDomain,
Text: content,
OutputContentType: "plain",
}
resp, err := c.doRequest(ctx, request, "zone", "add_txt")
if err != nil {
return err
}
return resp.HasError()
}
func (c Client) doRequest(ctx context.Context, request any, fragments ...string) (*APIResponse, error) {
endpoint := c.baseURL.JoinPath(fragments...)
inputData, err := json.Marshal(request)
if err != nil {
return nil, fmt.Errorf("failed to create input data: %w", err)
}
query := endpoint.Query()
query.Add("input_data", string(inputData))
query.Add("input_format", "json")
endpoint.RawQuery = query.Encode()
req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint.String(), http.NoBody)
if err != nil {
return nil, fmt.Errorf("unable to create request: %w", err)
}
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, errutils.NewHTTPDoError(req, err)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode/100 != 2 {
return nil, parseError(req, resp)
}
raw, err := io.ReadAll(resp.Body)
if err != nil {
return nil, errutils.NewReadResponseError(req, resp.StatusCode, err)
}
var apiResp APIResponse
err = json.Unmarshal(raw, &apiResp)
if err != nil {
return nil, errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
}
return &apiResp, nil
}
func parseError(req *http.Request, resp *http.Response) error {
raw, _ := io.ReadAll(resp.Body)
var errAPI APIResponse
err := json.Unmarshal(raw, &errAPI)
if err != nil {
return errutils.NewUnexpectedStatusCodeError(req, resp.StatusCode, raw)
}
return fmt.Errorf("status code: %d, %w", resp.StatusCode, errAPI)
}