| 1 | <?php |
| 2 | /* |
| 3 | * Copyright (C) 2003-2004 Polytechnique.org |
| 4 | * http://opensource.polytechnique.org/ |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | |
| 22 | require_once 'diogenes/diogenes.core.logger.inc.php'; |
| 23 | |
| 24 | /** Class for logging WebDAV activity. |
| 25 | * |
| 26 | * The difference with DiogenesCoreLogger is that we do not have |
| 27 | * PHP sessions in WebDAV mode so we need a small hack to avoid creating |
| 28 | * a new 'session' entry for each operation. |
| 29 | */ |
| 30 | class DiogenesWebDAVLogger extends DiogenesCoreLogger { |
| 31 | |
| 32 | /** is this a new WebDAV 'session' ? */ |
| 33 | var $newsession; |
| 34 | |
| 35 | /** WebDAV 'session' duration in seconds */ |
| 36 | var $sessionlength = 1800; |
| 37 | |
| 38 | /** The constructor, creates a new entry in the sessions table |
| 39 | * |
| 40 | * @param $uid the id of the logged user |
| 41 | * @param $auth authentication method for the logged user |
| 42 | * @param $username the username of the logged user |
| 43 | * @return VOID |
| 44 | */ |
| 45 | function DiogenesWebDAVLogger($uid,$auth,$username) { |
| 46 | global $globals; |
| 47 | |
| 48 | $this->DiogenesCoreLogger($uid,'',$auth,''); |
| 49 | |
| 50 | if ($this->newsession) { |
| 51 | $this->log("auth_ok","{$username}@WebDAV"); |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | |
| 56 | /** Try to pickup an existing session, otherwise create a new entry |
| 57 | * |
| 58 | * @param $uid the id of the logged user |
| 59 | * @param $suid the id of the administrator who has just su'd to the user |
| 60 | * @param $auth authentication method for the logged user |
| 61 | * @param $sauth authentication method for the su'er |
| 62 | * @return session the session id |
| 63 | */ |
| 64 | function writeSession($uid,$suid,$auth,$sauth) { |
| 65 | global $globals; |
| 66 | |
| 67 | // we look for a session with the same user, auth and browser that is less |
| 68 | // than $sessionlength seconds old |
| 69 | $browser = (isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : ''); |
| 70 | $stime = date("YmdHis",time()-$this->sessionlength); |
| 71 | $res = $globals->db->query("select id from {$this->table_sessions} where uid='$uid' and auth='$auth' and browser='$browser' and start > $stime"); |
| 72 | |
| 73 | if (list($session) = mysql_fetch_row($res)) { |
| 74 | // we have an existing session |
| 75 | $this->newsession = false; |
| 76 | } else { |
| 77 | // we do not have an existing session |
| 78 | $this->newsession = true; |
| 79 | $session = parent::writeSession($uid,$suid,$auth,$sauth); |
| 80 | } |
| 81 | mysql_free_result($res); |
| 82 | return $session; |
| 83 | } |
| 84 | |
| 85 | } |
| 86 | |
| 87 | ?> |