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gitea/modules/recaptcha/recaptcha.go

48 lines
1.3 KiB

// Copyright 2018 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package recaptcha
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"time"
"code.gitea.io/gitea/modules/setting"
)
// Response is the structure of JSON returned from API
type Response struct {
Success bool `json:"success"`
ChallengeTS time.Time `json:"challenge_ts"`
Hostname string `json:"hostname"`
ErrorCodes []string `json:"error-codes"`
}
const apiURL = "https://www.google.com/recaptcha/api/siteverify"
// Verify calls Google Recaptcha API to verify token
func Verify(response string) (bool, error) {
resp, err := http.PostForm(apiURL,
url.Values{"secret": {setting.Service.RecaptchaSecret}, "response": {response}})
if err != nil {
return false, fmt.Errorf("Failed to send CAPTCHA response: %s", err)
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return false, fmt.Errorf("Failed to read CAPTCHA response: %s", err)
}
var jsonResponse Response
err = json.Unmarshal(body, &jsonResponse)
if err != nil {
return false, fmt.Errorf("Failed to parse CAPTCHA response: %s", err)
}
return jsonResponse.Success, nil
}