classes/corelogger.php

   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 class CoreLogger
  23 {
  24     /** user id */
  25     public $uid;
  26     /** id of the session */
  27     private $session;
  28     /** list of available actions */
  29     private $actions;
  30
  31     public $ip;
  32     public $host;
  33     public $proxy_ip;
  34     public $proxy_host;
  35
  36     /** The constructor, creates a new entry in the sessions table
  37      *
  38      * @param $uid the id of the logged user
  39      * @param $suid the id of the administrator who has just su'd to the user
  40      * @return VOID
  41      */
  42     public function __construct($uid, $suid = 0)
  43     {
  44         // write the session entry
  45         $this->uid     = $uid;
  46         $this->session = $this->writeSession($uid, $suid);
  47
  48         // retrieve available actions
  49         $res = XDB::iterRow("SELECT id, text FROM logger.actions");
  50
  51         while (list($action_id, $action_text) = $res->next()) {
  52             $this->actions[$action_text] = $action_id;
  53         }
  54     }
  55
  56     /** Creates a new session entry in database and return its ID.
  57      *
  58      * @param $uid the id of the logged user
  59      * @param $suid the id of the administrator who has just su'd to the user
  60      * @return session the session id
  61      */
  62     private function writeSession($uid, $suid = 0)
  63     {
  64         $ip      = $_SERVER['REMOTE_ADDR'];
  65         $host    = strtolower(gethostbyaddr($_SERVER['REMOTE_ADDR']));
  66         $browser = (isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '');
  67
  68         @list($forward_ip,) = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
  69         $forward_host = $forward_ip;
  70         if ($forward_host) {
  71             $forward_host = strtolower(gethostbyaddr($forward_host));
  72         }
  73         $proxy = '';
  74         if ($forward_ip || @$_SERVER['HTTP_VIA']) {
  75             $proxy = 'proxy';
  76         }
  77
  78         XDB::execute("INSERT INTO logger.sessions
  79                          SET uid={?}, host={?}, ip={?}, forward_ip={?}, forward_host={?}, browser={?}, suid={?}, flags={?}",
  80                      $uid, $host, $ip, $forward_ip, $forward_host, $browser, $suid, $proxy);
  81         if ($forward_ip) {
  82             $this->proxy_ip = $ip;
  83             $this->proxy_host = $host;
  84             $this->ip = $forward_ip;
  85             $this->host = $forward_host;
  86         } else {
  87             $this->ip = $ip;
  88             $this->host = $host;
  89         }
  90
  91         return XDB::insertId();
  92     }
  93
  94
  95     /** Logs an action and its related data.
  96      *
  97      * @param $action le type d'action
  98      * @param $data les données (id de liste, etc.)
  99      * @return VOID
 100      */
 101     public function log($action, $data = null)
 102     {
 103         if (isset($this->actions[$action])) {
 104             XDB::execute("INSERT INTO logger.events
 105                              SET session={?}, action={?}, data={?}",
 106                          $this->session, $this->actions[$action], $data);
 107         } else {
 108             trigger_error("CoreLogger: unknown action, $action", E_USER_WARNING);
 109         }
 110     }
 111 }
 112
 113 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8:
 114 ?>