Version 4.3.0

system/Helpers/Form/Captcha/Invisible.php

@@ -0,0 +1,80 @@
+<?php
+/**
+ * @brief		Invisible reCAPTCHA
+ * @author		<a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) Invision Power Services, Inc.
+ * @license		https://www.invisioncommunity.com/legal/standards/
+ * @package		Invision Community
+ * @since		15 June 2017
+ */
+
+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;
+}
+
+/**
+ * Invisible reCAPTCHA
+ */
+class _Invisible
+{
+	/**
+	 * @brief	Error
+	 */
+	protected $error;
+	
+	/**
+	 * Display
+	 *
+	 * @return	string
+	 */
+	public function getHtml()
+	{		
+		return \IPS\Theme::i()->getTemplate( 'forms', 'core', 'global' )->captchaInvisible( \IPS\Settings::i()->recaptcha2_public_key, preg_replace( '/^(.+?)\..*$/', '$1', \IPS\Member::loggedIn()->language()->short ) );
+	}
+	
+	/**
+	 * Display
+	 *
+	 * @return	string
+	 */
+	public function rowHtml()
+	{
+		return $this->getHtml();
+	}
+		
+	/**
+	 * 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( 'https://www.google.com/recaptcha/api/siteverify' )->request()->post( array(
+				'secret'		=> \IPS\Settings::i()->recaptcha2_private_key,
+				'response'		=> trim( \IPS\Request::i()->__get('g-recaptcha-response') ),
+				'remoteip'		=> \IPS\Request::i()->ipAddress(),
+			) )->decodeJson( TRUE );
+						
+			return ( ( (bool) $response['success'] ) and ( $response['hostname'] === \IPS\Http\Url::internal('')->data[ \IPS\Http\Url::COMPONENT_HOST ] ) );
+		}
+		catch( \RuntimeException $e )
+		{
+			if( $e->getMessage() == 'BAD_JSON' )
+			{
+				return FALSE;
+			}
+			else
+			{
+				throw $e;
+			}
+		}
+	}
+
+}