Sindbad~EG File Manager

<?php

/**
 * -------------------------------------------------------------------------
 * GenericObject plugin for GLPI
 * -------------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GenericObject.
 *
 * GenericObject is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * GenericObject is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GenericObject. If not, see <http://www.gnu.org/licenses/>.
 * -------------------------------------------------------------------------
 * @copyright Copyright (C) 2009-2022 by GenericObject plugin team.
 * @license   GPLv3 https://www.gnu.org/licenses/gpl-3.0.html
 * @link      https://github.com/pluginsGLPI/genericobject
 * -------------------------------------------------------------------------
 */

include ("../../../inc/includes.php");

// Read itemtype
$itemtype = $_GET['itemtype'] ?? null;

// Missing required parameter
if (empty($itemtype)) {
    http_response_code(400);
    die;
}

// Find by itemtype
$type = new PluginGenericobjectType();
if (!$type->getFromDBByCrit(['itemtype' => $itemtype])) {
    http_response_code(400);
    die;
}

// Get filepath
$filepath = $type->getImpactIconFilePath();
if ($filepath === null) {
    http_response_code(404);
    die;
}

// Validate image
if (!Document::isImage($filepath)) {
    http_response_code(400);
    die;
}

// Send image
header("Content-Type: " . mime_content_type($filepath));
readfile($filepath);
die;