Running custom scripts when users perform various actions

$data = unserialize($data['data']);

chmod($data['full_path'], 0644);

<?php

global $auth;

$data = unserialize($data['data']);

$info = array(

                "username" => $auth->currentUserInfo['username'],

                "fullPath" => $data['full_path']

);

 

$pathToShellScript = "virus_scan.sh";

//virus_scan.sh will be executed with the username and the file's path

@system($pathToShellScript." ".escapeshellarg($info['username'])." ".escapeshellarg($info['fullPath']);

<?php

$extensions = array("exe", "dll"); //customize the list of banned extensions

 

/*************************************************************/

 

global $fm;

$data = unserialize($data['data']);

$ext = $fm->getExtension($data['filename']);

if (in_array($ext, $extensions)) {

                unlink($data['full_path']);

}