Incorrect access

<?php

/**
 * <pre>
 * Invision Power Services
 * IP.Board v3.3.4
 * Profile AJAX hCard
 * Last Updated: $Date: 2012-06-12 10:14:49 -0400 (Tue, 12 Jun 2012) $
 * </pre>
 *
 * @author 		$Author: bfarber $
 * @copyright	(c) 2001 - 2009 Invision Power Services, Inc.
 * @license		http://www.invisionpower.com/company/standards.php#license
 * @package		IP.Board
 * @subpackage	Members
 * @link		http://www.invisionpower.com
 * @since		Tuesday 1st March 2005 (11:52)
 * @version		$Revision: 10914 $
 *
 */

if ( ! defined( 'IN_IPB' ) )
{
	print "<h1>Incorrect access</h1>You cannot access this file directly. If you have recently upgraded, make sure you upgraded all the relevant files.";
	exit();
}

class public_members_ajax_card extends ipsAjaxCommand 
{
	/**
	 * Class entry point
	 *
	 * @param	object		Registry reference
	 * @return	@e void		[Outputs to screen]
	 */
	public function doExecute( ipsRegistry $registry ) 
	{
		//-----------------------------------------
		// Can we access?
		//-----------------------------------------
		
		if ( ! $this->memberData['g_mem_info'] )
 		{
 			$this->returnString( 'error' );
		}
		
		$this->registry->class_localization->loadLanguageFile( array( 'public_profile', 'public_online' ), 'members' );
		
		/* Got a valid member? */
		$member_id = intval( $this->request['mid'] );

		if( empty($member_id) )
		{
			$this->returnString( 'error' );
		}
		
		$member = IPSMember::load( $member_id, 'profile_portal,pfields_content,sessions,groups,basic', 'id' );
		
		if( empty($member['member_id']) )
		{
			$this->returnString( 'error' );
		}
		
		$member = IPSMember::buildDisplayData( $member, array( 'customFields' => 1, 'cfSkinGroup' => 'profile', 'spamStatus' => 1 ) );
		$member = IPSMember::getLocation( $member );
		
		$board_posts = $this->caches['stats']['total_topics'] + $this->caches['stats']['total_replies'];
		
		if( $member['posts'] and $board_posts  )
		{
			$member['_posts_day'] = round( $member['posts'] / ( ( time() - $member['joined']) / 86400 ), 2 );
	
			# Fix the issue when there is less than one day
			$member['_posts_day'] = ( $member['_posts_day'] > $member['posts'] ) ? $member['posts'] : $member['_posts_day'];
			$member['_total_pct'] = sprintf( '%.2f', ( $member['posts'] / $board_posts * 100 ) );
		}
		
		$member['_posts_day'] = floatval( $member['_posts_day'] );
		
		/* Load status class */
		if ( ! $this->registry->isClassLoaded( 'memberStatus' ) )
		{
			$classToLoad = IPSLib::loadLibrary( IPS_ROOT_PATH . 'sources/classes/member/status.php', 'memberStatus' );
			$this->registry->setClass( 'memberStatus', new $classToLoad( ipsRegistry::instance() ) );
		}
		
		/* Fetch */
		$member['_status'] = $this->registry->getClass('memberStatus')->fetch( $this->memberData, array( 'member_id' => $member['member_id'], 'limit' => 1 ) );
		
		if ( is_array( $member['_status'] ) AND count( $member['_status'] ) )
		{
			$member['_status'] = array_pop( $member['_status'] );
		}
		
		/* Reputation */
		if ( $this->settings['reputation_protected_groups'] )
		{
			if ( in_array( $member['member_group_id'], explode( ",", $this->settings['reputation_protected_groups'] ) ) )
			{
				$this->settings['reputation_show_profile'] = false;
			}
		}
		
		$this->returnHtml( $this->registry->getClass('output')->getTemplate('profile')->showCard( $member ) );
	}
}