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<?php
// +-----------------------------------------------------------------------+
// | PhpWebGallery - a PHP based picture gallery |
// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
// | Copyright (C) 2003-2004 PhpWebGallery Team - http://phpwebgallery.net |
// +-----------------------------------------------------------------------+
// | branch : BSF (Best So Far)
// | file : $RCSfile$
// | last update : $Date$
// | last modifier : $Author$
// | revision : $Revision$
// +-----------------------------------------------------------------------+
// | This program is free software; you can redistribute it and/or modify |
// | it under the terms of the GNU General Public License as published by |
// | the Free Software Foundation |
// | |
// | This program is distributed in the hope that it will be useful, but |
// | WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
// | General Public License for more details. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
// retrieving connected user informations
if (isset($_COOKIE['id']))
{
$session_id = $_COOKIE['id'];
$user['has_cookie'] = true;
}
else if (isset($_GET['id']))
{
$session_id = $_GET['id'];
$user['has_cookie'] = false;
}
else
{
$user['has_cookie'] = false;
}
if (isset($session_id)
and ereg("^[0-9a-zA-Z]{".$conf['session_id_size']."}$", $session_id))
{
$page['session_id'] = $session_id;
$query = '
SELECT user_id,expiration,NOW() AS now
FROM '.SESSIONS_TABLE.'
WHERE id = \''.$page['session_id'].'\'
;';
$result = pwg_query($query);
if (mysql_num_rows($result) > 0)
{
$row = mysql_fetch_array($result);
if (strnatcmp($row['expiration'], $row['now']) < 0)
{
// deletion of the session from the database, because it is
// out-of-date
$delete_query = '
DELETE FROM '.SESSIONS_TABLE.'
WHERE id = \''.$page['session_id'].'\'
;';
pwg_query($delete_query);
}
else
{
$user['id'] = $row['user_id'];
$user['is_the_guest'] = false;
}
}
}
if (!isset($user['id']))
{
$user['id'] = 2;
$user['is_the_guest'] = true;
}
$query = '
SELECT u.*, uf.*
FROM '.USERS_TABLE.' AS u LEFT JOIN '.USER_FORBIDDEN_TABLE.' AS uf
ON id = user_id
WHERE u.id = '.$user['id'].'
;';
$row = mysql_fetch_array(pwg_query($query));
// affectation of each value retrieved in the users table into a variable of
// the array $user.
foreach ($row as $key => $value)
{
if (!is_numeric($key))
{
// If the field is true or false, the variable is transformed into a
// boolean value.
if ($value == 'true' or $value == 'false')
{
$user[$key] = get_boolean($value);
}
else
{
$user[$key] = $value;
}
}
}
// if no information were found about user in user_forbidden table OR the
// forbidden categories must be updated
if (!isset($user['need_update'])
or !is_bool($user['need_update'])
or $user['need_update'] == true)
{
$user['forbidden_categories'] = calculate_permissions($user['id']);
}
// forbidden_categories is a must be empty, at least
if (!isset($user['forbidden_categories']))
{
$user['forbidden_categories'] = '';
}
// special for $user['restrictions'] array
$user['restrictions'] = explode(',', $user['forbidden_categories']);
if ($user['restrictions'][0] == '')
{
$user['restrictions'] = array();
}
$isadmin = false;
if ($user['status'] == 'admin')
{
$isadmin = true;
}
// calculation of the number of picture to display per page
$user['nb_image_page'] = $user['nb_image_line'] * $user['nb_line_page'];
init_userprefs($user);
?>
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