bitPickups/friendica_2020-09-1_sharedHosting
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We now use memcache if configured and installed.

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This commit is contained in:
Michael Vogel 2016-10-23 21:59:40 +00:00
commit ee5ada6991
13 changed files with 339 additions and 130 deletions
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76
include/session.php
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@ -1,43 +1,62 @@
<?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 $id", LOGGER_TRACE);
}
return '';
}}
if(! function_exists('ref_session_write')) {
function ref_session_write ($id,$data) {
return '';
}
function ref_session_write($id, $data) {
global $session_exists, $session_expire;
if(! $id || ! $data) {
if (!$id || !$data) {
return false;
}
$expire = time() + $session_expire;
$default_expire = time() + 300;
if($session_exists) {
$memcache = cache::memcache();
if (is_object($memcache)) {
$memcache->set(get_app()->get_hostname().":session:".$id, $data, MEMCACHE_COMPRESSED, $expire);
return true;
}
if ($session_exists) {
$r = q("UPDATE `session`
SET `data` = '%s'
WHERE `data` != '%s' AND `sid` = '%s'",
@ -53,24 +72,30 @@ function ref_session_write ($id,$data) {
dbesc($id), dbesc($default_expire), dbesc($data));
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')) {
return true;
}
function ref_session_gc($expire) {
q("DELETE FROM `session` WHERE `expire` < %d", dbesc(time()));
return true;
}}
}
$gc_probability = 50;
@ -78,7 +103,8 @@ ini_set('session.gc_probability', $gc_probability);
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');
}