Version 4.0.13.1

system/Helpers/Form/Captcha/Recaptcha.php

@@ -0,0 +1,88 @@
+<?php
+/**
+ * @brief		reCAPTCHA
+ * @author		<a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) 2001 - SVN_YYYY Invision Power Services, Inc.
+ * @license		http://www.invisionpower.com/legal/standards/
+ * @package		IPS Social Suite
+ * @since		18 Apr 2013
+ * @version		SVN_VERSION_NUMBER
+ */
+
+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\Settings::i()->recaptcha_theme;
+		$lang = preg_replace( '/^(.+?)\..*$/', '$1', \IPS\Member::loggedIn()->language()->short );
+		
+		return <<<HTML
+		<div data-ipsCaptcha data-ipsCaptcha-service='recaptcha' data-ipsCaptcha-key="{$publicKey}" data-ipsCaptcha-lang="{$lang}" data-ipsCaptcha-theme="{$theme}">
+			<noscript>
+				<iframe src="//www.google.com/recaptcha/api/noscript?k={$publicKey}&hl={$lang}&error={$this->error}"
+				 height="300" width="500" frameborder="0"></iframe><br>
+					<textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
+					<input type="hidden" name="recaptcha_response_field" value="manual_challenge">
+			</noscript>
+		</div>
+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;
+		}
+	}
+
+}