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-rw-r--r--system/libraries/Session/Session.php115
1 files changed, 89 insertions, 26 deletions
diff --git a/system/libraries/Session/Session.php b/system/libraries/Session/Session.php
index dfd0f432e..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 - 2019, 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
@@ -30,6 +30,7 @@
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @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
@@ -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]);
}
@@ -706,7 +769,7 @@ class CI_Session {
*
* Legacy CI_Session compatibility method
*
- * @returns array
+ * @return array
*/
public function &get_userdata()
{
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-19 21:36:15 +0100