pandorafms/pandora_console/include/load_session.php

189 lines
4.1 KiB
PHP

<?php
/**
* Session manager.
*
* @category Session handler.
* @package Pandora FMS.
* @subpackage OpenSource.
* @version 1.0.0
* @license See below
*
* ______ ___ _______ _______ ________
* | __ \.-----.--.--.--| |.-----.----.-----. | ___| | | __|
* | __/| _ | | _ || _ | _| _ | | ___| |__ |
* |___| |___._|__|__|_____||_____|__| |___._| |___| |__|_|__|_______|
*
* ============================================================================
* Copyright (c) 2005-2019 Artica Soluciones Tecnologicas
* Please see http://pandorafms.org for full contribution list
* 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 for version 2.
* 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.
* ============================================================================
*/
// Begin.
/**
* Open session.
*
* @param string $save_path Save path.
* @param string $session_name Session name.
*
* @return boolean
*/
function pandora_session_open($save_path, $session_name)
{
return true;
}
/**
* Close session.
*
* @return boolean
*/
function pandora_session_close()
{
return true;
}
/**
* Read a session.
*
* @param string $session_id Session ID.
*
* @return string Session data.
*/
function pandora_session_read($session_id)
{
$session_id = addslashes($session_id);
$session_data = db_get_value(
'data',
'tsessions_php',
'id_session',
$session_id
);
if (!empty($session_data)) {
return $session_data;
} else {
return '';
}
}
/**
* Write session data.
*
* @param string $session_id Session id.
* @param string $data Data.
*
* @return boolean
*/
function pandora_session_write($session_id, $data)
{
$session_id = addslashes($session_id);
if (is_ajax()) {
// Avoid session upadte while processing ajax responses - notifications.
if (get_parameter('check_new_notifications', false)) {
return true;
}
}
$values = [];
$values['last_active'] = time();
if (!empty($data)) {
$values['data'] = addslashes($data);
}
$session_exists = (bool) db_get_value(
'COUNT(id_session)',
'tsessions_php',
'id_session',
$session_id
);
if (!$session_exists) {
$values['id_session'] = $session_id;
$retval_write = db_process_sql_insert('tsessions_php', $values);
} else {
$retval_write = db_process_sql_update(
'tsessions_php',
$values,
['id_session' => $session_id]
);
}
return $retval_write !== false;
}
/**
* Destroy a session.
*
* @param string $session_id Session Id.
*
* @return boolean
*/
function pandora_session_destroy($session_id)
{
$session_id = addslashes($session_id);
$retval = (bool) db_process_sql_delete(
'tsessions_php',
['id_session' => $session_id]
);
return $retval;
}
/**
* Session garbage collector.
*
* @param integer $max_lifetime Max lifetime.
*
* @return boolean.
*/
function pandora_session_gc($max_lifetime=300)
{
global $config;
if (isset($config['session_timeout'])) {
$max_lifetime = $config['session_timeout'];
}
$time_limit = (time() - $max_lifetime);
$retval = (bool) db_process_sql_delete(
'tsessions_php',
[
'last_active' => '<'.$time_limit,
]
);
return $retval;
}
// FIXME: SAML should work with pandora session handlers
if (db_get_value('value', 'tconfig', 'token', 'auth') != 'saml') {
$result_handler = session_set_save_handler(
'pandora_session_open',
'pandora_session_close',
'pandora_session_read',
'pandora_session_write',
'pandora_session_destroy',
'pandora_session_gc'
);
}