* Copyright (C) 2015 Jerome Jutteau * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ define('JIRAFEAU_ROOT', dirname(__FILE__) . '/'); require(JIRAFEAU_ROOT . 'lib/settings.php'); require(JIRAFEAU_ROOT . 'lib/functions.php'); require(JIRAFEAU_ROOT . 'lib/lang.php'); if (!isset($_GET['h']) || empty($_GET['h'])) { header('Location: ./'); exit; } /* Operations may take a long time. * Be sure PHP's safe mode is off. */ @set_time_limit(0); $link_name = $_GET['h']; if (!preg_match('/[0-9a-zA-Z_-]+$/', $link_name)) { require(JIRAFEAU_ROOT.'lib/template/header.php'); echo '

' . t('FILE_404') . '

'; require(JIRAFEAU_ROOT.'lib/template/footer.php'); exit; } $link = jirafeau_get_link($link_name); if (count($link) == 0) { require(JIRAFEAU_ROOT.'lib/template/header.php'); echo '

' . t('FILE_404') . '

'; require(JIRAFEAU_ROOT.'lib/template/footer.php'); exit; } $delete_code = ''; if (isset($_GET['d']) && !empty($_GET['d']) && $_GET['d'] != '1') { $delete_code = $_GET['d']; } $crypt_key = ''; if (isset($_GET['k']) && !empty($_GET['k'])) { $crypt_key = $_GET['k']; } $do_download = false; if (isset($_GET['d']) && $_GET['d'] == '1') { $do_download = true; } $do_preview = false; if (isset($_GET['p']) && !empty($_GET['p'])) { $do_preview = true; } $p = s2p($link['hash']); if (!file_exists(VAR_FILES . $p . $link['hash'])) { jirafeau_delete_link($link_name); require(JIRAFEAU_ROOT.'lib/template/header.php'); echo '

'.t('FILE_NOT_AVAIL'). '

'; require(JIRAFEAU_ROOT.'lib/template/footer.php'); exit; } if (!empty($delete_code) && $delete_code == $link['link_code']) { require(JIRAFEAU_ROOT.'lib/template/header.php'); if (isset($_POST['do_delete'])) { jirafeau_delete_link($link_name); echo '

'.t('FILE_DELETED'). '

'; } else { ?>

$link['time']) { jirafeau_delete_link($link_name); require(JIRAFEAU_ROOT.'lib/template/header.php'); echo '

'. t('FILE_EXPIRED') . ' ' . t('FILE_DELETED') . '

'; require(JIRAFEAU_ROOT . 'lib/template/footer.php'); exit; } if (empty($crypt_key) && $link['crypted']) { require(JIRAFEAU_ROOT.'lib/template/header.php'); echo '

' . t('FILE_404') . '

'; require(JIRAFEAU_ROOT.'lib/template/footer.php'); exit; } $password_challenged = false; if (!empty($link['key'])) { if (!isset($_POST['key'])) { require(JIRAFEAU_ROOT.'lib/template/header.php'); echo '

' . '

'; require(JIRAFEAU_ROOT.'lib/template/footer.php'); exit; } else { if ($link['key'] == md5($_POST['key'])) { $password_challenged = true; } else { sleep(2); require(JIRAFEAU_ROOT.'lib/template/header.php'); echo '

' . t('ACCESS_KO') . '

'; require(JIRAFEAU_ROOT.'lib/template/footer.php'); exit; } } } if (!$password_challenged && !$do_download && !$do_preview) { require(JIRAFEAU_ROOT.'lib/template/header.php'); echo '

' . '

'; require(JIRAFEAU_ROOT.'lib/template/footer.php'); exit; } header('HTTP/1.0 200 OK'); header('Content-Length: ' . $link['file_size']); if (!jirafeau_is_viewable($link['mime_type']) || !$cfg['preview'] || $do_download) { header('Content-Disposition: attachment; filename="' . $link['file_name'] . '"'); } else { header('Content-Disposition: filename="' . $link['file_name'] . '"'); } header('Content-Type: ' . $link['mime_type']); if ($cfg['file_hash'] == "md5") { header('Content-MD5: ' . hex_to_base64($link['hash'])); } if ($cfg['litespeed_workaround']) { // Work around that LiteSpeed truncates large files. // See https://www.litespeedtech.com/support/wiki/doku.php/litespeed_wiki:config:internal-redirect if ($_GET['litespeed_workaround'] == 'phase2') { $file_web_path = preg_replace('#^' . $_SERVER['DOCUMENT_ROOT'] . '#', '', VAR_FILES); header('X-LiteSpeed-Location: ' . $file_web_path . $p . $link['hash']); } else { // Since Content-Type isn't forwarded by LiteSpeed, first // redirect to the same URL but append the file name. header('Location: ' . $_SERVER['PHP_SELF'] . '/' . $link['file_name'] . '?' . $_SERVER['QUERY_STRING'] . '&litespeed_workaround=phase2'); } } /* Read encrypted file. */ elseif ($link['crypted']) { /* Init module */ $m = mcrypt_module_open('rijndael-256', '', 'ofb', ''); /* Extract key and iv. */ $hash_key = md5($crypt_key); $iv = jirafeau_crypt_create_iv($hash_key, mcrypt_enc_get_iv_size($m)); /* Init module. */ mcrypt_generic_init($m, $hash_key, $iv); /* Decrypt file. */ $r = fopen(VAR_FILES . $p . $link['hash'], 'r'); while (!feof($r)) { $dec = mdecrypt_generic($m, fread($r, 1024)); print $dec; } fclose($r); /* Cleanup. */ mcrypt_generic_deinit($m); mcrypt_module_close($m); } /* Read file. */ else { if ($cfg['use_xsendfile']) { $file_web_path = preg_replace('#^' . $_SERVER['DOCUMENT_ROOT'] . '#', '', VAR_FILES); header('X-Sendfile: ' . $file_web_path . $p . $link['hash']); } else { $r = fopen(VAR_FILES . $p . $link['hash'], 'r'); while (!feof($r)) { print fread($r, 1024); } fclose($r); } } if ($link['onetime'] == 'O') { jirafeau_delete_link($link_name); } exit; ?>