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5/15/2019 - 2:13 PM

recaptcha php

recaptcha php

<?php
/**
 * This is a PHP library that handles calling reCAPTCHA.
 *    - Documentation and latest version
 *          https://developers.google.com/recaptcha/docs/php
 *    - Get a reCAPTCHA API Key
 *          https://www.google.com/recaptcha/admin/create
 *    - Discussion group
 *          http://groups.google.com/group/recaptcha
 *
 * @copyright Copyright (c) 2014, Google Inc.
 * @link      http://www.google.com/recaptcha
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
/**
 * A ReCaptchaResponse is returned from checkAnswer().
 */
class ReCaptchaResponse
{
    public $success;
    public $errorCodes;
}
class ReCaptcha
{
    private static $_signupUrl = "https://www.google.com/recaptcha/admin";
    private static $_siteVerifyUrl =
        "https://www.google.com/recaptcha/api/siteverify?";
    private $_secret;
    private static $_version = "php_1.0";
    /**
     * Constructor.
     *
     * @param string $secret shared secret between site and ReCAPTCHA server.
     */
    function ReCaptcha($secret)
    {
        if ($secret == null || $secret == "") {
            die("To use reCAPTCHA you must get an API key from <a href='"
                . self::$_signupUrl . "'>" . self::$_signupUrl . "</a>");
        }
        $this->_secret=$secret;
    }
    /**
     * Encodes the given data into a query string format.
     *
     * @param array $data array of string elements to be encoded.
     *
     * @return string - encoded request.
     */
    private function _encodeQS($data)
    {
        $req = "";
        foreach ($data as $key => $value) {
            $req .= $key . '=' . urlencode(stripslashes($value)) . '&';
        }
        // Cut the last '&'
        $req=substr($req, 0, strlen($req)-1);
        return $req;
    }
    /**
     * Submits an HTTP GET to a reCAPTCHA server.
     *
     * @param string $path url path to recaptcha server.
     * @param array  $data array of parameters to be sent.
     *
     * @return array response
     */
    private function _submitHTTPGet($path, $data)
    {
        $req = $this->_encodeQS($data);
        $response = file_get_contents($path . $req);
        return $response;
    }
    /**
     * Calls the reCAPTCHA siteverify API to verify whether the user passes
     * CAPTCHA test.
     *
     * @param string $remoteIp   IP address of end user.
     * @param string $response   response string from recaptcha verification.
     *
     * @return ReCaptchaResponse
     */
    public function verifyResponse($remoteIp, $response)
    {
        // Discard empty solution submissions
        if ($response == null || strlen($response) == 0) {
            $recaptchaResponse = new ReCaptchaResponse();
            $recaptchaResponse->success = false;
            $recaptchaResponse->errorCodes = 'missing-input';
            return $recaptchaResponse;
        }
        $getResponse = $this->_submitHttpGet(
            self::$_siteVerifyUrl,
            array (
                'secret' => $this->_secret,
                'remoteip' => $remoteIp,
                'v' => self::$_version,
                'response' => $response
            )
        );
        $answers = json_decode($getResponse, true);
        $recaptchaResponse = new ReCaptchaResponse();
        if (trim($answers ['success']) == true) {
            $recaptchaResponse->success = true;
        } else {
            $recaptchaResponse->success = false;
            $recaptchaResponse->errorCodes = $answers [error-codes];
        }
        return $recaptchaResponse;
    }
}
// ваш секретный ключ
$secret = "6LfGvmYUAAAAAFlGkf8OtRm4nJUXUfr4CyYczsAp";

// пустой ответ
$response = null;

// проверка секретного ключа
$reCaptcha = new ReCaptcha($secret);

// if submitted check response
if ($_POST["g-recaptcha-response"]) {
$response = $reCaptcha->verifyResponse(
        $_SERVER["REMOTE_ADDR"],
        $_POST["g-recaptcha-response"]
    );
}

if ($response != null && $response->success) {
        // echo "Hi " . $_POST["name"] . " (" . $_POST["email"] . "), thanks for submitting the form!";
        //Принимаем постовые данные
          $name=$_POST['name'];
          $email=$_POST['mail'];
          $msg=$_POST['msg'];
          //Тут указываем на какой ящик посылать письмо
          $to = "devil9609@yandex.ru";
          //Далее идет тема и само сообщение
          // Тема письма
          $subject = "Заявка с сайта";
          // Сообщение письма
          $message = "
          Имя пользователя: ".htmlspecialchars($name)."<br />
          Задал вопрос(если есть):".$msg." <br />
          Его почта:".$email;
          // Отправляем письмо при помощи функции mail();
          $headers = "From: fr1mix.ru <mail@fr1mix.ru>\r\nContent-type: text/html; charset=UTF-8 \r\n";
          mail ($to, $subject, $message, $headers);
          // Перенаправляем человека на страницу благодарности и завершаем скрипт
          // header('Location: thanks.html');
        }         
exit();
?>
function subForm(element) {
	if (grecaptcha.getResponse() == ""){
	    alert("Подтвердите, что Вы не являетесь роботом!");
	    return false;
	}
	var msg   = $('#'+ element).serialize();
	let urlPhp = 'mail.php';
	$.ajax({
		type: 'POST',
		url: urlPhp,
		data: msg,
		success: function(data) {
			$('#'+element).find('button[type="submit"]').addClass('submited').html('Отправлено!');
			yaCounter46237665.reachGoal('ORDER');
		},
		error:  function(xhr, str){
			$('#'+element).find('button[type="submit"]').addClass('submited').html('Не отправлено');
		}
	});
}