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<?php
// +-----------------------------------------------------------------------+
// | user.inc.php |
// +-----------------------------------------------------------------------+
// | application : PhpWebGallery <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 user informations
// $infos array is used to know the fields to retrieve in the table "users"
// Each field becomes an information of the array $user.
// Example :
// status --> $user['status']
$infos = array('id','username','mail_address','nb_image_line','nb_line_page',
'status','language','maxwidth','maxheight','expand',
'show_nb_comments','recent_period','template',
'forbidden_categories');
$query_user = 'SELECT * FROM '.USERS_TABLE;
$query_done = false;
$user['is_the_guest'] = false;
if (isset($_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;
$query = '
SELECT user_id,expiration,ip
FROM '.SESSIONS_TABLE.'
WHERE id = \''.$page['session_id'].'\'
;';
$result = pwg_query($query);
if (mysql_num_rows($result) > 0)
{
$row = mysql_fetch_array($result);
if (!$user['has_cookie'])
{
if ($row['expiration'] < time())
{
// deletion of the session from the database,
// because it is out-of-date
$delete_query = 'DELETE FROM '.SESSIONS_TABLE;
$delete_query.= " WHERE id = '".$page['session_id']."'";
$delete_query.= ';';
pwg_query($delete_query);
}
else if ($_SERVER['REMOTE_ADDR'] == $row['ip'])
{
$query_user .= ' WHERE id = '.$row['user_id'];
$query_done = true;
}
}
else
{
$query_user .= ' WHERE id = '.$row['user_id'];
$query_done = true;
}
}
}
if (!$query_done)
{
$query_user .= ' WHERE id = 2';
$user['is_the_guest'] = true;
}
$query_user .= ';';
$row = mysql_fetch_array(pwg_query($query_user));
// affectation of each value retrieved in the users table into a variable
// of the array $user.
foreach ($infos as $info) {
if (isset($row[$info]))
{
// If the field is true or false, the variable is transformed into a
// boolean value.
if ($row[$info] == 'true' or $row[$info] == 'false')
$user[$info] = get_boolean($row[$info]);
else
$user[$info] = $row[$info];
}
else
{
$user[$info] = '';
}
}
// 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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