79 lines
2.3 KiB
PHP
79 lines
2.3 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Andreas Fischer <bantu@owncloud.com>
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* @author Björn Schießle <bjoern@schiessle.org>
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Frank Karlitschek <frank@karlitschek.de>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Piotr Filiciak <piotr@filiciak.pl>
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* @author Robin Appelman <robin@icewind.nl>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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// Check if we are a user
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OC_Util::checkLoggedIn();
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\OC::$server->getSession()->close();
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$files = isset($_GET['files']) ? (string)$_GET['files'] : '';
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$dir = isset($_GET['dir']) ? (string)$_GET['dir'] : '';
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$files_list = json_decode($files);
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// in case we get only a single file
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if (!is_array($files_list)) {
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$files_list = [$files];
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}
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/**
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* @psalm-taint-escape cookie
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*/
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function cleanCookieInput(string $value): string {
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if (strlen($value) > 32) {
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return '';
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}
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if (preg_match('!^[a-zA-Z0-9]+$!', $_GET['downloadStartSecret']) !== 1) {
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return '';
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}
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return $value;
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}
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/**
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* this sets a cookie to be able to recognize the start of the download
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* the content must not be longer than 32 characters and must only contain
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* alphanumeric characters
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*/
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if (isset($_GET['downloadStartSecret'])) {
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$value = cleanCookieInput($_GET['downloadStartSecret']);
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if ($value !== '') {
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setcookie('ocDownloadStarted', $value, time() + 20, '/');
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}
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}
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$server_params = [ 'head' => \OC::$server->getRequest()->getMethod() === 'HEAD' ];
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/**
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* Http range requests support
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*/
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if (isset($_SERVER['HTTP_RANGE'])) {
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$server_params['range'] = \OC::$server->getRequest()->getHeader('Range');
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}
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OC_Files::get($dir, $files_list, $server_params);
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