zoneminder/web/includes/session.php

77 lines
2.4 KiB
PHP

<?php
// ZM session start function support timestamp management
function zm_session_start() {
// Make sure use_strict_mode is enabled.
// use_strict_mode is mandatory for security reasons.
ini_set('session.use_strict_mode', 1);
$currentCookieParams = session_get_cookie_params();
$currentCookieParams['lifetime'] = ZM_COOKIE_LIFETIME;
Logger::Debug('Setting cookie parameters to lifetime('.$currentCookieParams['lifetime'].') path('.$currentCookieParams['path'].') domain ('.$currentCookieParams['domain'].') secure('.$currentCookieParams['secure'].') httpOnly(1)');
session_set_cookie_params(
$currentCookieParams['lifetime'],
$currentCookieParams['path'],
$currentCookieParams['domain'],
$currentCookieParams['secure'],
true
);
ini_set('session.name', 'ZMSESSID');
session_start();
// Do not allow to use too old session ID
if (!empty($_SESSION['last_time']) && $_SESSION['last_time'] < time() - 180) {
session_destroy();
session_start();
}
}
// My session regenerate id function
function zm_session_regenerate_id() {
// Call session_create_id() while session is active to
// make sure collision free.
if ( session_status() != PHP_SESSION_ACTIVE ) {
session_start();
}
// WARNING: Never use confidential strings for prefix!
$newid = session_create_id();
// Set deleted timestamp. Session data must not be deleted immediately for reasons.
$_SESSION['last_time'] = time();
// Finish session
session_commit();
// Make sure to accept user defined session ID
// NOTE: You must enable use_strict_mode for normal operations.
ini_set('session.use_strict_mode', 0);
// Set new custome session ID
session_id($newid);
// Start with custome session ID
session_start();
}
function is_session_started() {
if ( php_sapi_name() !== 'cli' ) {
if ( version_compare(phpversion(), '5.4.0', '>=') ) {
return session_status() === PHP_SESSION_ACTIVE ? TRUE : FALSE;
} else {
return session_id() === '' ? FALSE : TRUE;
}
} else {
Warning("php_sapi_name === 'cli'");
}
return FALSE;
}
function zm_session_clear() {
session_start();
$_SESSION = array();
if ( ini_get('session.use_cookies') ) {
$p = session_get_cookie_params();
# Update the cookie to expire in the past.
setcookie(session_name(), '', time() - 31536000, $p['path'], $p['domain'], $p['secure'], $p['httponly']);
}
session_unset();
session_destroy();
}
?>