apps/files/ajax/download.php
<?php
/**
* @author Andreas Fischer <bantu@owncloud.com>
* @author Björn Schießle <bjoern@schiessle.org>
* @author Frank Karlitschek <frank@karlitschek.de>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Piotr Filiciak <piotr@filiciak.pl>
* @author Robin Appelman <icewind@owncloud.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @copyright Copyright (c) 2018, ownCloud GmbH
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
// Check if we are a user
OCP\User::checkLoggedIn(true);
\OC::$server->getSession()->close();
// files can be an array with multiple "files[]=one.txt&files[]=two.txt" or a single file with "files=filename.txt"
$files_list = isset($_GET['files']) ? $_GET['files'] : '';
$dir = isset($_GET['dir']) ? $_GET['dir']: '';
// in case we get only a single file
if (!\is_array($files_list)) {
// in case we get the whole user directory
if ($files_list !== '') {
$files_list = [$files_list];
} else {
$files_list = [];
}
} else {
$files_list = \array_map(function ($file) {
return $file;
}, $files_list);
}
/**
* this sets a cookie to be able to recognize the start of the download
* the content must not be longer than 32 characters and must only contain
* alphanumeric characters
*/
if (isset($_GET['downloadStartSecret'])
&& !isset($_GET['downloadStartSecret'][32])
&& \preg_match('!^[a-zA-Z0-9]+$!', $_GET['downloadStartSecret']) === 1) {
\setcookie('ocDownloadStarted', $_GET['downloadStartSecret'], \time() + 20, '/');
}
$server_params = ['head' => \OC::$server->getRequest()->getMethod() == 'HEAD'];
/**
* Http range requests support
*/
if (isset($_SERVER['HTTP_RANGE'])) {
$server_params['range'] = \OC::$server->getRequest()->getHeader('Range') ?? '';
}
OC_Files::get($dir, $files_list, $server_params);