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?? Viewing: ReCaptchaService.php

<?php

namespace Application\Service;
use Laminas\Http\Client as HttpClient;
use Laminas\Http\Request as HttpRequest;
use Laminas\Http\Response as HttpResponse;
/**
 * Class ReCaptchaService.
 */
class ReCaptchaService
{
    /**
     *  The URL for to verify an Captcha.
     */
    const VERIFY_SERVER = 'https://www.google.com/recaptcha/api/siteverify';
    /**
     * @var String The secret-key from recaptcha
     */
    protected $privateKey = null;
    /**
     * @var String the public-key from recaptcha
     */
    protected $publicKey = null;
    /** @var string light or dark theme */
    protected $theme = 'light';
    /**
     * @var String Error code from request
     */
    protected $errorCode = null;
    /**
     * @param null $privateKey
     * @param null $publicKey
     */
    public function __construct($privateKey = null, $publicKey = null)
    {
        $this->privateKey = $privateKey;
        $this->publicKey = $publicKey;
    }
    /**
     */
    public function getPrivateKey()
    {
        return $this->privateKey;
    }
    /**
     * @param null $privateKey
     */
    public function setPrivateKey($privateKey)
    {
        $this->privateKey = $privateKey;
    }
    /**
     * @return String
     */
    public function getPublicKey()
    {
        return $this->publicKey;
    }
    /**
     * @param String $publicKey
     */
    public function setPublicKey($publicKey)
    {
        $this->publicKey = $publicKey;
    }
    /**
     * @return string
     */
    public function getTheme()
    {
        return $this->theme;
    }
    /**
     * @param string $theme
     */
    public function setTheme($theme)
    {
        $this->theme = $theme;
    }
    /**
     * @return String
     */
    public function getErrorCode()
    {
        return $this->errorCode;
    }
    /**
     * @param String $errorCode
     */
    public function setErrorCode($errorCode)
    {
        $this->errorCode = $errorCode;
    }
    /**
     * @param $clientResponse
     * @param null $ip
     *
     * @return bool
     */
    public function verify($clientResponse, $ip = null)
    {
        //send the request to google recaptcha
        $request = $this->sendApiRequest($clientResponse, $ip);
        // and validate it
        return  $this->verifyApiResponse($request);
    }
    /**
     * @param $response
     * @param null $ip
     *
     * @return HttpResponse
     */
    public function sendApiRequest($response, $ip = null)
    {
        $postParams = array(
            'secret' => $this->getPrivateKey(),
            'response' => $response,
        );
        if ($ip) {
            $postParams['remoteip'] = $ip;
        }
        $httpClient = new HttpClient();
    //Using curl, since socket makes trouble
        $httpClient->setAdapter('Laminas\Http\Client\Adapter\Curl');
        $request = new HttpRequest();
        $request->setUri(self::VERIFY_SERVER);
        $request->setMethod(HttpRequest::METHOD_POST);
        $request->getPost()->fromArray($postParams);
        //$httpClient->setEncType($httpClient::ENC_URLENCODED);
        return $httpClient->send($request);
    }
    /**
     * @param HttpResponse $response
     *
     * @return bool
     */
    public function verifyApiResponse(HttpResponse $response)
    {
        $body = $response->getBody();
        $content = json_decode($body, true);
        //get the status
        if ($content['success'] == true) {
            return true;
        } else {
            if (!empty($content['error-codes'])) {
                $this->setErrorCode(implode(',', $content['error-codes']));
            }
            return false;
        }
    }
}

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