Invision Power Services, Inc. * @copyright (c) Invision Power Services, Inc. * @license https://www.invisioncommunity.com/legal/standards/ * @package Invision Community * @since 18 Apr 2013 */ namespace IPS\Helpers\Form\Captcha; /* To prevent PHP errors (extending class does not exist) revealing path */ if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) ) { header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' ); exit; } /** * reCAPTCHA */ class _Recaptcha { /** * @brief Error */ protected $error; /** * Display * * @return string */ public function getHtml() { $publicKey = \IPS\Settings::i()->recaptcha_public_key; $theme = \IPS\Theme::i()->settings['recaptcha_theme']; $lang = preg_replace( '/^(.+?)\..*$/', '$1', \IPS\Member::loggedIn()->language()->short ); return << HTML; } /** * Verify * * @return bool|null TRUE/FALSE indicate if the test passed or not. NULL indicates the test failed, but the captcha system will display an error so we don't have to. */ public function verify() { try { $response = \IPS\Http\Url::external( 'http://www.google.com/recaptcha/api/verify' )->request()->post( array( 'privatekey' => \IPS\Settings::i()->recaptcha_private_key, 'remoteip' => \IPS\Request::i()->ipAddress(), 'challenge' => \IPS\Request::i()->recaptcha_challenge_field, 'response' => \IPS\Request::i()->recaptcha_response_field ) ); } catch ( \IPS\Http\Request\Exception $e ) { return FALSE; } $response = explode( "\n", $response ); if ( $response[0] === 'true' ) { return true; } else { $this->error = $response[1]; return null; } } }