yunpian / sms Goto Github PK

type Result struct {
	Code int `json:"code"`
	Msg string `json:"msg"`
}

func CaptchaVerify(token, authenticate string) (resp *Result, err error) {
	confMap := url.Values{}

	confMap.Add("authenticate", authenticate)
	confMap.Add("token", token)

	confMap.Add("captchaId", "YourCaptchaId")
	confMap.Add("secretId", "YourSecretId")
	confMap.Add("version", "1.0")

	nowTime := time.Now().UnixNano()
	confMap.Add("timestamp", fmt.Sprintf("%v", nowTime / 1e6))  // ms

	rand.Seed(nowTime)
	confMap.Add("nonce", fmt.Sprintf("%v", rand.Intn(99999) + 1))

	// generate signatureStr
	keys := make([]string, 0)
	for k, _ := range confMap {
		keys = append(keys, k)
	}
	sort.Strings(keys)
	signatureStr := ""
	for _, k := range keys {
		signatureStr += k
		signatureStr += confMap[k][0]
	}
	secretKey := "YourSecretKey"
	signatureStr += secretKey

	// generate signatureMd5
	md5Ctx := md5.New()
	md5Ctx.Write([]byte(signatureStr))
	confMap.Add("signature", hex.EncodeToString(md5Ctx.Sum(nil)))

	// PostForm
	req, err := http.PostForm("https://captcha.yunpian.com/v1/api/authenticate", confMap)
	if err != nil {
		return nil, err
	}
	defer req.Body.Close()

	body, err := ioutil.ReadAll(req.Body)
	if err != nil {
		return nil, err
	}

	var res Result
	if err = json.Unmarshal([]byte(body), &res); err != nil {
		return nil, err
	}
	return &res, nil
}