| package internal
|
|
|
| import (
|
| "encoding/json"
|
| "fmt"
|
| "io"
|
| "net/http"
|
| "strings"
|
| "time"
|
| )
|
|
|
| type captchaProviderResponse struct {
|
| OK bool `json:"ok"`
|
| Token string `json:"token"`
|
| Error string `json:"error"`
|
| }
|
|
|
|
|
| func fetchCaptchaToken() (string, error) {
|
| if Cfg.CaptchaProviderURL == "" {
|
| return "", nil
|
| }
|
|
|
| url := strings.TrimRight(Cfg.CaptchaProviderURL, "/") + "/token"
|
|
|
| client := &http.Client{Timeout: 35 * time.Second}
|
| resp, err := client.Get(url)
|
| if err != nil {
|
| return "", fmt.Errorf("captcha provider request failed: %w", err)
|
| }
|
| defer resp.Body.Close()
|
|
|
| body, err := io.ReadAll(resp.Body)
|
| if err != nil {
|
| return "", fmt.Errorf("captcha provider read body failed: %w", err)
|
| }
|
|
|
| if resp.StatusCode != http.StatusOK {
|
| return "", fmt.Errorf("captcha provider status %d: %s", resp.StatusCode, string(body)[:min(200, len(body))])
|
| }
|
|
|
| var result captchaProviderResponse
|
| if err := json.Unmarshal(body, &result); err != nil {
|
| return "", fmt.Errorf("captcha provider decode failed: %w", err)
|
| }
|
|
|
| if !result.OK {
|
| return "", fmt.Errorf("captcha provider error: %s", result.Error)
|
| }
|
|
|
| return result.Token, nil
|
| }
|
|
|
