diff options
Diffstat (limited to 'system/libraries/Session/Session.php')
-rw-r--r-- | system/libraries/Session/Session.php | 121 |
1 files changed, 92 insertions, 29 deletions
diff --git a/system/libraries/Session/Session.php b/system/libraries/Session/Session.php index 406b9a219..f370f7f19 100644 --- a/system/libraries/Session/Session.php +++ b/system/libraries/Session/Session.php @@ -6,7 +6,7 @@ * * This content is released under the MIT License (MIT) * - * Copyright (c) 2014 - 2017, British Columbia Institute of Technology + * Copyright (c) 2019 - 2022, CodeIgniter Foundation * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -29,8 +29,9 @@ * @package CodeIgniter * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) - * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/) - * @license http://opensource.org/licenses/MIT MIT License + * @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/) + * @copyright Copyright (c) 2019 - 2022, CodeIgniter Foundation (https://codeigniter.com/) + * @license https://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 2.0.0 * @filesource @@ -44,7 +45,7 @@ defined('BASEPATH') OR exit('No direct script access allowed'); * @subpackage Libraries * @category Sessions * @author Andrey Andreev - * @link https://codeigniter.com/user_guide/libraries/sessions.html + * @link https://codeigniter.com/userguide3/libraries/sessions.html */ class CI_Session { @@ -102,15 +103,24 @@ class CI_Session { $this->_configure($params); $this->_config['_sid_regexp'] = $this->_sid_regexp; - $class = new $class($this->_config); - if ($class instanceof SessionHandlerInterface) + $class = new $class($this->_config); + $wrapper = new CI_SessionWrapper($class); + if (is_php('5.4')) { session_set_save_handler($class, TRUE); } else { - log_message('error', "Session: Driver '".$this->_driver."' doesn't implement SessionHandlerInterface. Aborting."); - return; + session_set_save_handler( + array($class, 'open'), + array($class, 'close'), + array($class, 'read'), + array($class, 'write'), + array($class, 'destroy'), + array($class, 'gc') + ); + + register_shutdown_function('session_write_close'); } // Sanitize the cookie, because apparently PHP doesn't do that for userspace handlers @@ -144,15 +154,36 @@ class CI_Session { // unless it is being currently created or regenerated elseif (isset($_COOKIE[$this->_config['cookie_name']]) && $_COOKIE[$this->_config['cookie_name']] === session_id()) { - setcookie( - $this->_config['cookie_name'], - session_id(), - (empty($this->_config['cookie_lifetime']) ? 0 : time() + $this->_config['cookie_lifetime']), - $this->_config['cookie_path'], - $this->_config['cookie_domain'], - $this->_config['cookie_secure'], - TRUE - ); + $expires = empty($this->_config['cookie_lifetime']) ? 0 : time() + $this->_config['cookie_lifetime']; + if (is_php('7.3')) + { + setcookie( + $this->_config['cookie_name'], + session_id(), + array( + 'expires' => $expires, + 'path' => $this->_config['cookie_path'], + 'domain' => $this->_config['cookie_domain'], + 'secure' => $this->_config['cookie_secure'], + 'httponly' => TRUE, + 'samesite' => $this->_config['cookie_samesite'] + ) + ); + } + else + { + $header = 'Set-Cookie: '.$this->_config['cookie_name'].'='.session_id(); + $header .= empty($expires) ? '' : '; Expires='.gmdate('D, d-M-Y H:i:s T', $expires).'; Max-Age='.$this->_config['cookie_lifetime']; + $header .= '; Path='.$this->_config['cookie_path']; + $header .= ($this->_config['cookie_domain'] !== '' ? '; Domain='.$this->_config['cookie_domain'] : ''); + $header .= ($this->_config['cookie_secure'] ? '; Secure' : '').'; HttpOnly; SameSite='.$this->_config['cookie_samesite']; + header($header); + } + + if ( ! $this->_config['cookie_secure'] && $this->_config['cookie_samesite'] === 'None') + { + log_message('error', 'Session:', $this->_config['cookie_name'].' cookie sent with SameSite=None, but without Secure attribute.'); + } } $this->_ci_init_vars(); @@ -174,6 +205,10 @@ class CI_Session { */ protected function _ci_load_classes($driver) { + require_once(BASEPATH.'libraries/Session/CI_Session_driver_interface.php'); + $wrapper = is_php('8.0') ? 'PHP8SessionWrapper' : 'OldSessionWrapper'; + require_once(BASEPATH.'libraries/Session/'.$wrapper.'.php'); + $prefix = config_item('subclass_prefix'); if ( ! class_exists('CI_Session_driver', FALSE)) @@ -267,13 +302,43 @@ class CI_Session { isset($params['cookie_domain']) OR $params['cookie_domain'] = config_item('cookie_domain'); isset($params['cookie_secure']) OR $params['cookie_secure'] = (bool) config_item('cookie_secure'); - session_set_cookie_params( - $params['cookie_lifetime'], - $params['cookie_path'], - $params['cookie_domain'], - $params['cookie_secure'], - TRUE // HttpOnly; Yes, this is intentional and not configurable for security reasons - ); + isset($params['cookie_samesite']) OR $params['cookie_samesite'] = config_item('sess_samesite'); + if ( ! isset($params['cookie_samesite']) && is_php('7.3')) + { + $params['cookie_samesite'] = ini_get('session.cookie_samesite'); + } + + if (isset($params['cookie_samesite'])) + { + $params['cookie_samesite'] = ucfirst(strtolower($params['cookie_samesite'])); + in_array($params['cookie_samesite'], array('Lax', 'Strict', 'None'), TRUE) OR $params['cookie_samesite'] = 'Lax'; + } + else + { + $params['cookie_samesite'] = 'Lax'; + } + + if (is_php('7.3')) + { + session_set_cookie_params(array( + 'lifetime' => $params['cookie_lifetime'], + 'path' => $params['cookie_path'], + 'domain' => $params['cookie_domain'], + 'secure' => $params['cookie_secure'], + 'httponly' => $params['cookie_httponly'], + 'samesite' => $params['cookie_samesite'] + )); + } + else + { + session_set_cookie_params( + $params['cookie_lifetime'], + $params['cookie_path'], + $params['cookie_domain'], + $params['cookie_secure'], + TRUE // HttpOnly; Yes, this is intentional and not configurable for security reasons + ); + } if (empty($expiration)) { @@ -396,9 +461,7 @@ class CI_Session { { $_SESSION['__ci_vars'][$key] = 'old'; } - // Hacky, but 'old' will (implicitly) always be less than time() ;) - // DO NOT move this above the 'new' check! - elseif ($value < $current_time) + elseif ($value === 'old' || $value < $current_time) { unset($_SESSION[$key], $_SESSION['__ci_vars'][$key]); } @@ -585,7 +648,7 @@ class CI_Session { // ------------------------------------------------------------------------ /** - * Unmark flash + * Unmark temp * * @param mixed $key Session data key(s) * @return void @@ -706,7 +769,7 @@ class CI_Session { * * Legacy CI_Session compatibility method * - * @returns array + * @return array */ public function &get_userdata() { |