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<?php
session_set_save_handler("sess_open", "sess_close", "sess_read", "sess_write", "sess_destroy", "sess_gc");
session_start();
/*** Session functions *****************************************************/
function sess_open($save_path, $session_name) {
return 1;
}
function sess_close() {
return 1;
}
function sess_read($key) {
global $user;
$result = db_query_range("SELECT u.*, s.*, r.name AS role FROM {users} u INNER JOIN {role} r ON u.rid = r.rid INNER JOIN {sessions} s ON u.uid = s.uid WHERE s.sid = '". check_query($key) ."' AND u.status < 3", 0, 1);
$user = db_fetch_object($result);
if ($user->data && $data = unserialize($user->data)) {
foreach ($data as $key => $value) {
if (!isset($user->$key)) {
$user->$key = $value;
}
}
}
return !empty($user->session) ? $user->session : '';
}
function sess_write($key, $value) {
global $user;
db_query("UPDATE {sessions} SET uid = %d, hostname = '%s', session = '%s', timestamp = %d WHERE sid = '$key'", $user->uid, $_SERVER["REMOTE_ADDR"], $value, time());
if (!db_affected_rows()) {
db_query("INSERT INTO {sessions} (uid, sid, hostname, session, timestamp) values(%d, '%s', '%s', '%s', %d)", $user->uid, $key, $_SERVER["REMOTE_ADDR"], $value, time());
}
return '';
}
function sess_destroy($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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