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<?php |
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namespace Quantum\Libraries\Captcha\Adapters; |
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use Quantum\Libraries\Captcha\CaptchaInterface; |
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use Quantum\Libraries\Curl\HttpClient; |
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class RecaptchaAdapter implements CaptchaInterface |
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{ |
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/** |
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* ReCAPTCHA URL verifying |
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* |
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* @var string |
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*/ |
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const VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify'; |
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const CLIENT_API = 'https://www.google.com/recaptcha/api.js'; |
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/** |
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* Public key |
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* |
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* @var string |
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*/ |
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private $sitekey; |
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/** |
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* Private key |
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* |
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* @var string |
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*/ |
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private $secretkey; |
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/** |
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* Remote IP address |
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* |
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* @var string |
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*/ |
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protected $remoteIp = null; |
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/** |
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* Supported themes |
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* |
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* @var array |
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* @see https://developers.google.com/recaptcha/docs/display#config |
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*/ |
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protected static $themes = array('light', 'dark'); |
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/** |
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* Captcha theme. Default : light |
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* |
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* @var string |
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* @see https://developers.google.com/recaptcha/docs/display#config |
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*/ |
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protected $theme = null; |
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/** |
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* Supported types |
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* |
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* @var array |
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* @see https://developers.google.com/recaptcha/docs/display#config |
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*/ |
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protected static $types = array('image', 'audio'); |
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/** |
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* Captcha type. Default : image |
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* |
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* @var string |
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* @see https://developers.google.com/recaptcha/docs/display#config |
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*/ |
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protected $type = null; |
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/** |
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* Captcha language. Default : auto-detect |
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* |
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* @var string |
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* @see https://developers.google.com/recaptcha/docs/language |
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*/ |
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protected $language = null; |
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/** |
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* CURL timeout (in seconds) to verify response |
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* |
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* @var int |
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*/ |
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private $verifyTimeout = 1; |
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/** |
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* Captcha size. Default : normal |
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* |
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* @var string |
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* @see https://developers.google.com/recaptcha/docs/display#render_param |
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*/ |
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protected $size = null; |
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private static $instance = null; |
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/** |
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* List of errors |
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* |
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* @var array |
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*/ |
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protected $errorCodes = array(); |
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/** |
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* RecaptchaAdapter |
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* |
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* @param array $params |
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* @return void |
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*/ |
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private function __construct(array $params) |
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{ |
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$this->http = new HttpClient(); |
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$this->secretkey = $params['secret_key']; |
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$this->sitekey = $params['site_key']; |
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$this->type = $params['type']; |
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} |
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/** |
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* Get Instance |
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* @param array $params |
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* @return RecaptchaAdapter |
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*/ |
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public static function getInstance(array $params): RecaptchaAdapter |
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{ |
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if (self::$instance === null) { |
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self::$instance = new self($params); |
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} |
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return self::$instance; |
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} |
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/** |
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* Set theme |
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* |
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* @param string $theme (see https://developers.google.com/recaptcha/docs/display#config) |
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* @return object |
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*/ |
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public function setTheme($theme = 'light') |
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{ |
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if (in_array($theme, self::$themes)) |
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$this->theme = $theme; |
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else |
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throw new \Exception('Theme "' . $theme . '"" is not supported. Available themes : ' . join(', ', self::$themes)); |
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return $this; |
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} |
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/** |
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* Set type |
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* |
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* @param string $type (see https://developers.google.com/recaptcha/docs/display#config) |
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* @return object |
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*/ |
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public function setType($type = 'image') |
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{ |
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if (in_array($type, self::$types)) |
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$this->type = $type; |
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return $this; |
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} |
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/** |
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* Set language |
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* |
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* @param string $language (see https://developers.google.com/recaptcha/docs/language) |
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* @return object |
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*/ |
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public function setLanguage($language) |
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{ |
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$this->language = $language; |
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return $this; |
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} |
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/** |
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* Set timeout |
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* |
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* @param int $timeout |
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* @return object |
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*/ |
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public function setVerifyTimeout($timeout) |
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{ |
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$this->verifyTimeout = $timeout; |
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return $this; |
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} |
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/** |
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* Set size |
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* |
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* @param string $size (see https://developers.google.com/recaptcha/docs/display#render_param) |
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* @return object |
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*/ |
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public function setSize($size) |
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{ |
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$this->size = $size; |
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return $this; |
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} |
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/** |
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* Generate the JS code of the captcha |
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* |
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* @return string |
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*/ |
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public function renderJs($lang = null, $callback = false, $onLoadClass = 'onloadCallBack') |
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{ |
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$data = array(); |
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if (!is_null($this->language)) |
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$data = array('hl' => $this->language); |
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return '<script src="https://www.google.com/recaptcha/api.js?' . http_build_query($data) . '"></script>'; |
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} |
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/** |
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* Get hCaptcha js link. |
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* |
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* @param string $lang |
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* @param boolean $callback |
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* @param string $onLoadClass |
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* |
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* @return string |
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*/ |
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public function getJsLink($lang = null, $callback = false, $onLoadClass = 'onloadCallBack') |
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{ |
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$client_api = static::CLIENT_API; |
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$params = []; |
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$callback ? $this->setCallBackParams($params, $onLoadClass) : false; |
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$lang ? $params['hl'] = $lang : null; |
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return $client_api . '?' . http_build_query($params); |
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} |
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/** |
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* Generate the HTML code block for the captcha |
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* |
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* @return string |
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*/ |
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public function display($formIdentifier = '', $attributes = []) |
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{ |
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if (!empty($this->sitekey)) { |
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if (strtolower($this->type) == 'visible'){ |
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$data = 'data-sitekey="' . $this->sitekey . '"'; |
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if (!is_null($this->theme)) |
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$data .= ' data-theme="' . $this->theme . '"'; |
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if (!is_null($this->type)) |
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$data .= ' data-type="' . $this->type . '"'; |
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if (!is_null($this->size)) |
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$data .= ' data-size="' . $this->size . '"'; |
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$captchaEleme = '<div class="col s1 offset-s2 g-recaptcha" ' . $data . '></div>'; |
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} elseif (strtolower($this->type) == 'invisible') { |
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$captchaEleme = ''; |
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if (!isset($attributes['data-callback'])) { |
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$captchaEleme = '<script> |
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document.addEventListener("DOMContentLoaded", function() { |
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let button = document.getElementsByTagName("button"); |
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button[0].setAttribute("data-sitekey", "' . $this->sitekey . '"); |
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button[0].setAttribute("data-callback", "onSubmit"); |
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button[0].setAttribute("data-action", "submit"); |
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button[0].classList.add("g-recaptcha"); |
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}) |
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function onSubmit (token){ |
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document.getElementById("'. $formIdentifier .'").submit(); |
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} |
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</script>'; |
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} |
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} |
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return $captchaEleme; |
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} |
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} |
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/** |
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* Checks the code given by the captcha |
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* |
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* @param string $response Response code after submitting form (usually $_POST['g-recaptcha-response']) |
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* @return bool |
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*/ |
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public function verifyResponse($response, $clientIp = null) |
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{ |
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if (is_null($this->secretkey)) |
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throw new \Exception('You must set your secret key'); |
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if (empty($response)) { |
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$this->errorCodes = array('internal-empty-response'); |
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return false; |
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} |
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299
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$query = array( |
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'secret' => $this->secretkey, |
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'response' => $response, |
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'remoteip' => $this->remoteIp, |
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); |
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$url = self::VERIFY_URL . '?' . http_build_query($query); |
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$this->http->createRequest($url)->setMethod('GET')->start(); |
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$response = (array)$this->http->getResponseBody(); |
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if (empty($response) || is_null($response) || !$response) { |
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return false; |
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} |
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314
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if (isset($response['error-codes'])) { |
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$this->errorCodes = $response['error-codes']; |
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} |
317
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318
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return $response['success']; |
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} |
320
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321
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/** |
322
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* Returns the errors encountered |
323
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* |
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* @return array Errors code and name |
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*/ |
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public function getErrorCodes() |
327
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{ |
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$errors = array(); |
329
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330
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if (count($this->errorCodes) > 0) { |
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foreach ($this->errorCodes as $error) { |
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switch ($error) { |
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case 'timeout-or-duplicate': |
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$errors[] = array( |
335
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'code' => $error, |
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'name' => 'Timeout or duplicate.', |
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); |
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break; |
339
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340
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case 'missing-input-secret': |
341
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$errors[] = array( |
342
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'code' => $error, |
343
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'name' => 'The secret parameter is missing.', |
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); |
345
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break; |
346
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347
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case 'invalid-input-secret': |
348
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$errors[] = array( |
349
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'code' => $error, |
350
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'name' => 'The secret parameter is invalid or malformed.', |
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); |
352
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break; |
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354
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case 'missing-input-response': |
355
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$errors[] = array( |
356
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'code' => $error, |
357
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'name' => 'The response parameter is missing.', |
358
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); |
359
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break; |
360
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361
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case 'invalid-input-response': |
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$errors[] = array( |
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'code' => $error, |
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'name' => 'The response parameter is invalid or malformed.', |
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); |
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break; |
367
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368
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case 'bad-request': |
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$errors[] = array( |
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'code' => $error, |
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'name' => 'The request is invalid or malformed.', |
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); |
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break; |
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375
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case 'internal-empty-response': |
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$errors[] = array( |
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'code' => $error, |
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'name' => 'The recaptcha response is required.', |
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); |
380
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break; |
381
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382
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default: |
383
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$errors[] = array( |
384
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'code' => $error, |
385
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'name' => $error, |
386
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); |
387
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} |
388
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} |
389
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} |
390
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391
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return $errors; |
392
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} |
393
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394
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} |