Ajax Connector

<?php

$allowed = array(
    'web/image/small',
    'web/image/big',
    'web/image/gallery/small',
    'web/image/gallery/big',
);

if (!empty($_REQUEST['action']) && in_array($_REQUEST['action'], $allowed)) {
  @session_cache_limiter('public');
    define('MODX_REQP',false);
}
require_once dirname(dirname(dirname(dirname(__FILE__)))).'/config.core.php';
require_once MODX_CORE_PATH.'config/'.MODX_CONFIG_KEY.'.inc.php';
require_once MODX_CONNECTORS_PATH.'index.php';

if(!$path = $modx->getOption('site_gallery.core_path',null)){
    $path = $modx->getOption('core_path').'components/site_gallery/';
}
$path .= 'processors/';


if (in_array($_REQUEST['action'], $allowed)) {
    $version = $modx->getVersionData();
    if (version_compare($version['full_version'],'2.1.1-pl') >= 0) {
        if ($modx->user->hasSessionContext($modx->context->get('key'))) {
            $_SERVER['HTTP_MODAUTH'] = $_SESSION["modx.{$modx->context->get('key')}.user.token"];
        } else {
            $_SESSION["modx.{$modx->context->get('key')}.user.token"] = 0;
            $_SERVER['HTTP_MODAUTH'] = 0;
        }
    } else {
        $_SERVER['HTTP_MODAUTH'] = $modx->site_id;
    }
    $_REQUEST['HTTP_MODAUTH'] = $_SERVER['HTTP_MODAUTH'];
}

$modx->request->handleRequest(array(
    'processors_path' => $path,
    'location' => '',
));