<?php
-
// Session management functions. These provide database storage of PHP
// session info.
+require_once('include/cache.php');
+
$session_exists = 0;
$session_expire = 180000;
-if(! function_exists('ref_session_open')) {
-function ref_session_open ($s,$n) {
+function ref_session_open($s, $n) {
return true;
-}}
+}
-if(! function_exists('ref_session_read')) {
-function ref_session_read ($id) {
+function ref_session_read($id) {
global $session_exists;
- if(x($id))
- $r = q("SELECT `data` FROM `session` WHERE `sid`= '%s'", dbesc($id));
- if(count($r)) {
+ if (!x($id)) {
+ return '';
+ }
+
+ $memcache = cache::memcache();
+ if (is_object($memcache)) {
+ $data = $memcache->get(get_app()->get_hostname().":session:".$id);
+ if (!is_bool($data)) {
+ return $data;
+ }
+ logger("no data for session $id", LOGGER_TRACE);
+ return '';
+ }
+
+ $r = q("SELECT `data` FROM `session` WHERE `sid`= '%s'", dbesc($id));
+
+ if (dbm::is_result($r)) {
$session_exists = true;
return $r[0]['data'];
} else {
logger("no data for session $id", LOGGER_TRACE);
}
+
return '';
-}}
+}
/**
* @brief Standard PHP session write callback
$expire = time() + $session_expire;
$default_expire = time() + 300;
- if ($session_exists) {
- $r = q("UPDATE `session`
- SET `data` = '%s'
- WHERE `sid` = '%s' AND `data` != '%s'",
- dbesc($data), dbesc($data), dbesc($id));
+ $memcache = cache::memcache();
+ if (is_object($memcache)) {
+ $memcache->set(get_app()->get_hostname().":session:".$id, $data, MEMCACHE_COMPRESSED, $expire);
+ return true;
+ }
+ if ($session_exists) {
$r = q("UPDATE `session`
- SET `expire` = '%s'
- WHERE `sid` = '%s' AND `expire` != '%s'",
- dbesc($expire), dbesc($expire), dbesc($id));
+ SET `data` = '%s', `expire` = '%s'
+ WHERE `sid` = '%s'
+ AND (`data` != '%s' OR `expire` != '%s')",
+ dbesc($data), dbesc($expire), dbesc($id), dbesc($data), dbesc($expire));
} else {
$r = q("INSERT INTO `session`
SET `sid` = '%s', `expire` = '%s', `data` = '%s'",
return true;
}
-if(! function_exists('ref_session_close')) {
function ref_session_close() {
return true;
-}}
+}
+
+function ref_session_destroy($id) {
+ $memcache = cache::memcache();
+
+ if (is_object($memcache)) {
+ $memcache->delete(get_app()->get_hostname().":session:".$id);
+ return true;
+ }
-if(! function_exists('ref_session_destroy')) {
-function ref_session_destroy ($id) {
q("DELETE FROM `session` WHERE `sid` = '%s'", dbesc($id));
+
return true;
-}}
+}
-if(! function_exists('ref_session_gc')) {
function ref_session_gc($expire) {
q("DELETE FROM `session` WHERE `expire` < %d", dbesc(time()));
+
return true;
-}}
+}
$gc_probability = 50;
ini_set('session.use_only_cookies', 1);
ini_set('session.cookie_httponly', 1);
-if (!get_config('system', 'disable_database_session'))
+if (!get_config('system', 'disable_database_session')) {
session_set_save_handler('ref_session_open', 'ref_session_close',
'ref_session_read', 'ref_session_write',
'ref_session_destroy', 'ref_session_gc');
+}