LibreNMS/LibreNMS/Authentication/LdapSessionCache.php

72 lines
1.9 KiB
PHP

<?php
/**
* LdapSessionCache.php
*
* Session cache for ldap queries
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* @link https://www.librenms.org
* @copyright 2018 Tony Murray
* @author Tony Murray <murraytony@gmail.com>
*/
namespace LibreNMS\Authentication;
use Carbon\Carbon;
use LibreNMS\Config;
use Session;
trait LdapSessionCache
{
protected function authLdapSessionCacheGet($attr)
{
$ttl = Config::get('auth_ldap_cache_ttl', 300);
// no session, don't cache
if (! class_exists('Session')) {
return null;
}
// auth_ldap cache present in this session?
if (! Session::has('auth_ldap')) {
return null;
}
$cache = Session::get('auth_ldap');
// $attr present in cache?
if (! isset($cache[$attr])) {
return null;
}
// Value still valid?
if (time() - $cache[$attr]['last_updated'] >= $ttl) {
return null;
}
return $cache[$attr]['value'];
}
protected function authLdapSessionCacheSet($attr, $value)
{
if (class_exists('Session')) {
Session::put($attr, [
'value' => $value,
'last_updated' => Carbon::now(),
]);
}
}
}