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<?php
// $Id$
/**
* @file
* User session handling functions.
*/
/*** Session functions *****************************************************/
function sess_open($save_path, $session_name) {
return 1;
}
function sess_close() {
return 1;
}
function sess_read($key) {
global $user;
$result = db_query_range("SELECT u.*, s.* FROM {users} u INNER JOIN {sessions} s ON u.uid = s.uid WHERE s.sid = '%s' AND u.status < 3", $key, 0, 1);
if (!db_num_rows($result)) {
db_query("INSERT INTO {sessions} (sid, uid, hostname, timestamp) VALUES ('%s', 0, '%s', %d)", $key, $_SERVER["REMOTE_ADDR"], time());
$result = db_query("SELECT u.* FROM {users} u WHERE u.uid = 0");
}
$user = db_fetch_object($result);
$user = drupal_unpack($user);
$user->roles = array();
$result = db_query("SELECT r.rid, r.name FROM {role} r INNER JOIN {users_roles} ur ON ur.rid = r.rid WHERE ur.uid = %d", $user->uid);
while ($role = db_fetch_object($result)) {
$user->roles[$role->rid] = $role->name;
}
return !empty($user->session) ? $user->session : '';
}
function sess_write($key, $value) {
global $user;
db_query("UPDATE {sessions} SET uid = %d, cache = %d, hostname = '%s', session = '%s', timestamp = %d WHERE sid = '%s'", $user->uid, $user->cache, $_SERVER["REMOTE_ADDR"], $value, time(), $key);
db_query("UPDATE {users} SET access = %d WHERE uid = %d", time(), $user->uid);
return '';
}
function sess_destroy($key) {
db_query("DELETE FROM {sessions} WHERE sid = '$key'");
}
function sess_gc($lifetime) {
/*
** Be sure to adjust 'php_value session.gc_maxlifetime' to a large enough
** value. For example, if you want user sessions to stay in your database
** for three weeks before deleting them, you need to set gc_maxlifetime
** to '1814400'. At that value, only after a user doesn't log in after
** three weeks (1814400 seconds) will his/her session be removed.
*/
db_query("DELETE FROM {sessions} WHERE timestamp < %d", time() - $lifetime);
return 1;
}
?>
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