<?php

/**
 * ---------------------------------------------------------------------
 *
 * GLPI - Gestionnaire Libre de Parc Informatique
 *
 * http://glpi-project.org
 *
 * @copyright 2015-2026 Teclib' and contributors.
 * @copyright 2003-2014 by the INDEPNET Development Team.
 * @licence   https://www.gnu.org/licenses/gpl-3.0.html
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * ---------------------------------------------------------------------
 */

/** @var \DBmysql $DB */
global $DB;

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

Session::checkRight("link", READ);

if (isset($_GET["lID"])) {
    $iterator = $DB->request([
        'SELECT' => ['id', 'link', 'data'],
        'FROM'   => 'glpi_links',
        'WHERE'  => [
            'id' => $_GET['lID'],
        ],
    ]);

    if (count($iterator) == 1) {
        $current = $iterator->current();
        $file = $current['data'];
        $link = $current['link'];

        if ($item = getItemForItemtype($_GET["itemtype"])) {
            if (!$item->can($_GET['id'], READ)) {
                throw new \RuntimeException('Not allowed');
            }
            if ($item->getFromDB($_GET["id"])) {
                $content_filename = Link::generateLinkContents($link, $item, false);
                $content_data     = Link::generateLinkContents($file, $item, false);

                if (isset($_GET['rank']) && isset($content_filename[$_GET['rank']])) {
                    $filename = $content_filename[$_GET['rank']];
                } else {
                    // first one (the same for all IP)
                    $filename = reset($content_filename);
                }

                if (isset($_GET['rank']) && isset($content_data[$_GET['rank']])) {
                    $data = $content_data[$_GET['rank']];
                } else {
                    // first one (probably missing arg)
                    $data = reset($content_data);
                }
                header("Content-disposition: filename=\"$filename\"");
                $mime = "application/scriptfile";

                header("Content-type: " . $mime);
                header('Pragma: no-cache');
                header('Expires: 0');

                // May have several values due to network datas : use only first one
                echo $data;
            }
        }
    }
}
