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