<?php /** * @file include/session.php * * @brief This file includes session related functions. * * Session management functions. These provide database storage of PHP * session info. */ $session_exists = 0; $session_expire = 180000; function new_cookie($time) { $old_sid = session_id(); // ??? This shouldn't have any effect if called after session_start() // We probably need to set the session expiration and change the PHPSESSID cookie. session_set_cookie_params($time); session_regenerate_id(false); q("UPDATE session SET sid = '%s' WHERE sid = '%s'", dbesc(session_id()), dbesc($old_sid) ); if (x($_COOKIE, 'jsAvailable')) { if ($time) { $expires = time() + $time; } else { $expires = 0; } setcookie('jsAvailable', $_COOKIE['jsAvailable'], $expires); } } function ref_session_open ($s, $n) { return true; } function ref_session_read ($id) { global $session_exists; if(x($id)) $r = q("SELECT `data` FROM `session` WHERE `sid`= '%s'", dbesc($id)); if(count($r)) { $session_exists = true; return $r[0]['data']; } return ''; } function ref_session_write ($id, $data) { global $session_exists, $session_expire; if(! $id || ! $data) { return false; } $expire = time() + $session_expire; $default_expire = time() + 300; if($session_exists) { q("UPDATE `session` SET `data` = '%s', `expire` = '%s' WHERE `sid` = '%s'", dbesc($data), dbesc($expire), dbesc($id) ); } else { q("INSERT INTO `session` (sid, expire, data) values ('%s', '%s', '%s')", //SET `sid` = '%s', `expire` = '%s', `data` = '%s'", dbesc($id), dbesc($default_expire), dbesc($data) ); } return true; } function ref_session_close() { return true; } function ref_session_destroy ($id) { q("DELETE FROM `session` WHERE `sid` = '%s'", dbesc($id)); return true; } function ref_session_gc($expire) { q("DELETE FROM session WHERE expire < %d", dbesc(time())); if (! get_config('system', 'innodb')) db_optimizetable('session'); return true; } $gc_probability = 50; ini_set('session.gc_probability', $gc_probability); ini_set('session.use_only_cookies', 1); ini_set('session.cookie_httponly', 1); /* * PHP function which sets our user-level session storage functions. */ session_set_save_handler( 'ref_session_open', 'ref_session_close', 'ref_session_read', 'ref_session_write', 'ref_session_destroy', 'ref_session_gc' );