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<?php
/**
* @package Komento
* @copyright Copyright (C) 2012 Stack Ideas Private Limited. All rights reserved.
* @license GNU/GPL, see LICENSE.php
*
* Komento is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
defined('_JEXEC') or die('Restricted access');
class KomentoCaptchaHelper extends JObject
{
static $instance = null;
/**
* Get the captcha class
*/
public function getInstance()
{
if (is_null(self::$instance))
{
$config = Komento::getConfig();
$class = '';
if( $config->get( 'antispam_captcha_enable' ) == 1 )
{
if( $config->get( 'antispam_captcha_type') == 0)
{
$class = 'captcha';
}
else
{
if( $config->get( 'antispam_captcha_type') == 1 && $config->get('antispam_recaptcha_public_key') && $config->get('antispam_recaptcha_private_key') )
{
$class = 'recaptcha';
}
}
}
if( empty($class) )
{
self::$instance = false;
return false;
}
$file = KOMENTO_CLASSES . DIRECTORY_SEPARATOR . 'captcha' . DIRECTORY_SEPARATOR . strtolower($class) . '.php';
if( !JFile::exists($file) )
{
self::$instance = false;
return false;
}
require_once( $file );
$class = 'Komento' . ucfirst( strtolower($class) );
if ( !class_exists($class) )
{
return false;
}
self::$instance = new $class();
}
return self::$instance;
}
/**
* Retrieves the html codes for the ratings.
*
**/
public function getHTML()
{
return self::$instance->getHTML();
}
/**
* Verify the captcha input
*/
public function verify( $data, $params = array() )
{
return self::$instance->verify( $data );
}
/**
* Return error message
* @return string The json output for ajax calls
**/
public function getError( $i = null, $toString = true )
{
return self::$instance->getError();
}
/**
* Reloads the captcha image.
*/
public function getReloadSyntax()
{
return self::$instance->getReloadSyntax();
}
}