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