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<?php
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// +-----------------------------------------------------------------------+
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// | PhpWebGallery - a PHP based picture gallery                           |
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// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
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// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
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// +-----------------------------------------------------------------------+
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// | branch        : BSF (Best So Far)
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// | file          : $RCSfile: user.inc.php,v $
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// | last update   : $Date: 2005/01/08 11:23:52 $
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// | last modifier : $Author: plg $
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// | revision      : $Revision: 1.29 $
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify  |
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// | it under the terms of the GNU General Public License as published by  |
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// | the Free Software Foundation                                          |
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// |                                                                       |
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// | This program is distributed in the hope that it will be useful, but   |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
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// | General Public License for more details.                              |
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// |                                                                       |
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// | You should have received a copy of the GNU General Public License     |
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// | along with this program; if not, write to the Free Software           |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA.                                                                  |
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// +-----------------------------------------------------------------------+
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// retrieving connected user informations
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if (isset($_COOKIE['id']))
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{
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  $session_id = $_COOKIE['id'];
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  $user['has_cookie'] = true;
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}
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else if (isset($_GET['id']))
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{
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  $session_id = $_GET['id'];
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  $user['has_cookie'] = false;
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}
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else
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{
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  $user['has_cookie'] = false;
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}
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if (isset($session_id)
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    and ereg("^[0-9a-zA-Z]{".$conf['session_id_size']."}$", $session_id))
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{
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  $page['session_id'] = $session_id;
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  $query = '
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SELECT user_id,expiration,NOW() AS now
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  FROM '.SESSIONS_TABLE.'
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  WHERE id = \''.$page['session_id'].'\'
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;';
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  $result = pwg_query($query);
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  if (mysql_num_rows($result) > 0)
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  {
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    $row = mysql_fetch_array($result);
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    if (strnatcmp($row['expiration'], $row['now']) < 0)
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    {
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      // deletion of the session from the database, because it is
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      // out-of-date
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      $delete_query = '
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DELETE FROM '.SESSIONS_TABLE.'
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  WHERE id = \''.$page['session_id'].'\'
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;';
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      pwg_query($delete_query);
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    }
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    else
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    {
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      $user['id'] = $row['user_id'];
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      $user['is_the_guest'] = false;
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    }
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  }
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}
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if (!isset($user['id']))
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{
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  $user['id'] = 2;
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  $user['is_the_guest'] = true;
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}
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$query = '
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SELECT u.*, uf.*
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  FROM '.USERS_TABLE.' AS u LEFT JOIN '.USER_FORBIDDEN_TABLE.' AS uf
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    ON id = user_id
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  WHERE u.id = '.$user['id'].'
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;';
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$row = mysql_fetch_array(pwg_query($query));
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// affectation of each value retrieved in the users table into a variable of
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// the array $user.
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foreach ($row as $key => $value)
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{
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  if (!is_numeric($key))
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  {
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    // If the field is true or false, the variable is transformed into a
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    // boolean value.
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    if ($value == 'true' or $value == 'false')
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    {
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      $user[$key] = get_boolean($value);
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    }
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    else
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    {
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      $user[$key] = $value;
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    }
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  }
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}
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// properties of user guest are found in the configuration
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if ($user['is_the_guest'])
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{
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  $user['template'] = $conf['default_template'];
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  $user['nb_image_line'] = $conf['nb_image_line'];
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  $user['nb_line_page'] = $conf['nb_line_page'];
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  $user['language'] = $conf['default_language'];
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  $user['maxwidth'] = $conf['default_maxwidth'];
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  $user['maxheight'] = $conf['default_maxheight'];
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  $user['recent_period'] = $conf['recent_period'];
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  $user['expand'] = $conf['auto_expand'];
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  $user['show_nb_comments'] = $conf['show_nb_comments'];
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}
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// if no information were found about user in user_forbidden table OR the
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// forbidden categories must be updated : only if current user is in public
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// part
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if (!defined('IN_ADMIN') or !IN_ADMIN)
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{
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  if (!isset($user['need_update'])
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      or !is_bool($user['need_update'])
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      or $user['need_update'] == true)
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  {
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    $user['forbidden_categories'] = calculate_permissions($user['id'],
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                                                          $user['status']);
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  }
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}
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// forbidden_categories is a must be empty, at least
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if (!isset($user['forbidden_categories']))
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{
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  $user['forbidden_categories'] = '';
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}
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// special for $user['restrictions'] array
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$user['restrictions'] = explode(',', $user['forbidden_categories']);
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if ($user['restrictions'][0] == '')
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{
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  $user['restrictions'] = array();
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}
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// calculation of the number of picture to display per page
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$user['nb_image_page'] = $user['nb_image_line'] * $user['nb_line_page'];
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if (empty($user['language'])
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    or !file_exists(PHPWG_ROOT_PATH.'language/'.
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                    $user['language'].'/common.lang.php'))
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{
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  $user['language'] = $conf['default_language'];
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}
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include_once(PHPWG_ROOT_PATH.'language/'.$user['language'].'/common.lang.php');
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// displaying the username in the language of the connected user, instead of
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// "guest" as you can find in the database
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if ($user['is_the_guest'])
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{
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  $user['username'] = $lang['guest'];
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}
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// only if we are in the administration section
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if (defined('IN_ADMIN') and IN_ADMIN)
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{
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  $langdir = PHPWG_ROOT_PATH.'language/'.$user['language'];
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  if (!file_exists($langdir.'/admin.lang.php'))
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  {
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    $langdir = PHPWG_ROOT_PATH.'language/'.$conf['default_language'];
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  }
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  include_once($langdir.'/admin.lang.php');
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  include_once($langdir.'/faq.lang.php');
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}
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if (empty($user['template']))
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{
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  $user['template'] = $conf['default_template'];
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}
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$template = setup_style($user['template']);
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?>