| 1 | <?php␊ |
| 2 | /* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */␊ |
| 3 | /*␊ |
| 4 | # ***** BEGIN LICENSE BLOCK *****␊ |
| 5 | # This file is part of Plume Framework, a simple PHP Application Framework.␊ |
| 6 | # Copyright (C) 2001-2007 Loic d'Anterroches and contributors.␊ |
| 7 | #␊ |
| 8 | # Plume Framework is free software; you can redistribute it and/or modify␊ |
| 9 | # it under the terms of the GNU Lesser General Public License as published by␊ |
| 10 | # the Free Software Foundation; either version 2.1 of the License, or␊ |
| 11 | # (at your option) any later version.␊ |
| 12 | #␊ |
| 13 | # Plume Framework is distributed in the hope that it will be useful,␊ |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of␊ |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the␊ |
| 16 | # GNU Lesser General Public License for more details.␊ |
| 17 | #␊ |
| 18 | # You should have received a copy of the GNU Lesser General Public License␊ |
| 19 | # along with this program; if not, write to the Free Software␊ |
| 20 | # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA␊ |
| 21 | #␊ |
| 22 | # ***** END LICENSE BLOCK ***** */␊ |
| 23 | ␊ |
| 24 | /**␊ |
| 25 | * Maintenance middleware.␊ |
| 26 | *␊ |
| 27 | * If a file MAINTENANCE exists in the temp folder then a maintenance␊ |
| 28 | * page is shown. If available, a template maintenance.html is used,␊ |
| 29 | * else a simple plain text 'Server in maintenance, please retry␊ |
| 30 | * later...' is shown.␊ |
| 31 | *␊ |
| 32 | * This middleware should be␊ |
| 33 | *␊ |
| 34 | * Only the actions starting with Pluf::f('maintenance_root') are not␊ |
| 35 | * interrupted, that way you can access a special url to perform␊ |
| 36 | * upgrade.␊ |
| 37 | *␊ |
| 38 | */␊ |
| 39 | class Pluf_Middleware_Maintenance␊ |
| 40 | {␊ |
| 41 | ␊ |
| 42 | /**␊ |
| 43 | * Process the request.␊ |
| 44 | *␊ |
| 45 | * @param Pluf_HTTP_Request The request␊ |
| 46 | * @return bool false␊ |
| 47 | */␊ |
| 48 | function process_request(&$request)␊ |
| 49 | {␊ |
| 50 | if (0 !== strpos($request->query, Pluf::f('maintenance_root')) && file_exists(Pluf::f('tmp_folder').'/MAINTENANCE')) {␊ |
| 51 | $res = new Pluf_HTTP_Response('Server in maintenance'."\n\n".'We are upgrading the system to make it better for you, please try again later...', 'text/plain');␊ |
| 52 | $res->status_code = 503;␊ |
| 53 | return $res;␊ |
| 54 | }␊ |
| 55 | return false;␊ |
| 56 | }␊ |
| 57 | }␊ |
| 58 | |
