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<?php
/***************************************************************************
* user.inc.php *
* ------------------ *
* application : PhpWebGallery 1.3 <http://phpwebgallery.net> *
* author : Pierrick LE GALL <pierrick@z0rglub.com> *
* *
* $Id$
* *
***************************************************************************
***************************************************************************
* *
* 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; *
* *
***************************************************************************/
// 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', 'short_period',
'long_period', 'template', 'forbidden_categories' );
$query_user = 'SELECT ';
foreach ( $infos as $i => $info ) {
if ( $i > 0 ) $query_user.= ', ';
$query_user.= $info;
}
$query_user.= ' FROM '.PREFIX_TABLE.'users';
$query_done = false;
$user['is_the_guest'] = false;
// cookie deletion if administrator don't authorize them anymore
if ( !$conf['authorize_cookies'] and isset( $_COOKIE['id'] ) )
{
setcookie( 'id', '', 0, cookie_path() );
$url = 'category.php';
header( 'Request-URI: '.$url );
header( 'Content-Location: '.$url );
header( 'Location: '.$url );
exit();
}
$user['has_cookie'] = false;
if ( isset( $_GET['id'] ) ) $session_id = $_GET['id'];
elseif ( isset( $_COOKIE['id'] ) )
{
$session_id = $_COOKIE['id'];
$user['has_cookie'] = true;
}
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';
$query.= ' FROM '.PREFIX_TABLE.'sessions';
$query.= " WHERE id = '".$page['session_id']."'";
$query.= ';';
$result = mysql_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// because it is out-of-date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 '.PREFIX_TABLE.'sessions';
$delete_query.= " WHERE id = '".$page['session_id']."'";
$delete_query.= ';';
mysql_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( mysql_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();
?>
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