Your IP : 18.191.86.218
<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage crm
* @copyright 2001-2016 Bitrix
*/
namespace Bitrix\Crm\WebForm;
use Bitrix\Main\Config\Option;
use Bitrix\Main\Context;
use Bitrix\Main\Localization\Loc;
use Bitrix\Main\Web\Json;
use Bitrix\Main\Web\HttpClient;
use Bitrix\Main\SystemException;
Loc::loadMessages(__FILE__);
/**
* reCAPTCHA client.
*/
class ReCaptcha
{
/**
* Version of this client library.
* @const string
*/
const VERSION = 'php_1.1.2';
const MODULE_ID = 'crm';
const OPTION_NAME = 'crm_recaptcha';
/**
* Shared secret for the site.
* @var string
*/
private $secret;
/**
* Error code.
* @var string
*/
private $error = '';
/**
* Method used to communicate with service. Defaults to POST request.
* @var HttpClient
*/
private $httpClient;
/**
* Create a configured instance to use the reCAPTCHA service.
*
* @param string $secret shared secret between site and reCAPTCHA server.
* @param HttpClient $httpClient method used to send the request. Defaults to POST.
* @throws SystemException if $secret is invalid
*/
public function __construct($secret, HttpClient $httpClient = null)
{
if (empty($secret))
{
throw new SystemException('No secret provided');
}
if (!is_string($secret))
{
throw new SystemException('The provided secret must be a string');
}
$this->secret = $secret;
if (!is_null($httpClient))
{
$this->httpClient = $httpClient;
}
else
{
$this->httpClient = new HttpClient();
}
}
/**
* Calls the reCAPTCHA siteverify API to verify whether the user passes
* CAPTCHA test.
*
* @param string $response The value of 'g-recaptcha-response' in the submitted form.
* @param string $remoteIp The end user's IP address.
* @return bool Verifying result.
*/
public function verify($response, $remoteIp = null)
{
$this->error = '';
// Discard empty solution submissions
if (empty($response))
{
$this->error = Loc::getMessage('CRM_WEBFORM_RECAPTCHA_ERROR_MISSING_INPUT_RESPONSE');
return false;
}
$rawResponse = $this->httpClient->post(
'https://www.google.com/recaptcha/api/siteverify',
array(
'secret' => $this->secret,
'response' => $response,
'remoteip' => $remoteIp ? $remoteIp : Context::getCurrent()->getServer()->get('REMOTE_ADDR'),
)
);
try
{
$response = Json::decode($rawResponse);
}
catch (\Exception $exception)
{
$this->error = $exception->getMessage();
return false;
}
if (!empty($response['error-codes']))
{
switch ($response['error-codes'][0])
{
case 'invalid-input-response':
$this->error = Loc::getMessage('CRM_WEBFORM_RECAPTCHA_ERROR_INVALID_INPUT_RESPONSE');
break;
case 'missing-input-response':
$this->error = Loc::getMessage('CRM_WEBFORM_RECAPTCHA_ERROR_MISSING_INPUT_RESPONSE');
break;
case 'invalid-input-secret':
$this->error = Loc::getMessage('CRM_WEBFORM_RECAPTCHA_ERROR_INVALID_INPUT_SECRET');
break;
case 'missing-input-secret':
$this->error = Loc::getMessage('CRM_WEBFORM_RECAPTCHA_ERROR_MISSING_INPUT_SECRET');
break;
default:
$this->error = 'reCAPTCHA: ' . Loc::getMessage('CRM_WEBFORM_RECAPTCHA_ERROR_UNKNOWN');
break;
}
}
return (bool) $response['success'];
}
/**
* Return error code.
*
* @return string
*/
public function getError()
{
return $this->error;
}
/**
* Get default key.
*
* @var string $lang Language id.
* @return string
*/
public static function getJavascriptResource($lang = LANGUAGE_ID)
{
switch ($lang)
{
case 'pl': //polish
case 'de': //german
case 'fr': //french
// use $lang
break;
case 'la': //spanish
$lang = 'es';
break;
case 'br': //brasiliero
$lang = 'pt';
break;
case 'ru': //russian
case 'by':
case 'kz':
$lang = 'ru';
break;
case 'ua': //ukrainian
$lang = 'uk';
break;
case 'sc': //Chinese simplified
$lang = 'zh-TW';
break;
case 'tc': //chinese traditional
$lang = 'zh-CN';
break;
case 'in': //india
case 'en': //english
default:
$lang = 'en';
break;
}
return 'https://www.google.com/recaptcha/api.js?onload=onReCaptchaLoadCallback&render=explicit&hl=' . $lang;
}
/**
* Get default key.
*
* @param string $version Version.
* @return string
*/
public static function getDefaultKey($version = '')
{
return Option::get(self::MODULE_ID, self::OPTION_NAME . $version . '_def_key');
}
/**
* Get default secret.
*
* @param string $version Version.
* @return string
*/
public static function getDefaultSecret($version = '')
{
return Option::get(self::MODULE_ID, self::OPTION_NAME . $version . '_def_secret');
}
/**
* Get key.
*
* @param string $version Version.
* @return string
*/
public static function getKey($version = '')
{
return Option::get(self::MODULE_ID, self::OPTION_NAME . $version . '_key');
}
/**
* Get secret.
*
* @param string $version Version.
* @return string
*/
public static function getSecret($version = '')
{
return Option::get(self::MODULE_ID, self::OPTION_NAME . $version . '_secret');
}
/**
* Set key & secret.
*
* @param string $key Key.
* @param string $secret Secret.
* @param string $version Version.
* @return void
*/
public static function setKey($key, $secret, $version = '')
{
Option::set(self::MODULE_ID, self::OPTION_NAME . $version . '_key', $key);
Option::set(self::MODULE_ID, self::OPTION_NAME . $version . '_secret', $secret);
}
}