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New upstream version 0.6.27

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geos_one
2025-08-06 18:11:51 +02:00
parent a6b4158f1f
commit 56a986c0ba
563 changed files with 45811 additions and 35282 deletions
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885
lib/kohana/system/libraries/Session.php
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@@ -1,4 +1,12 @@
<?php defined('SYSPATH') OR die('No direct access allowed.');
<?php
// phpcs:disable PSR1.Classes.ClassDeclaration.MissingNamespace
// phpcs:disable PSR1.Files.SideEffects
defined('SYSPATH') or die('No direct access allowed.');
// phpcs:enable PSR1.Files.SideEffects
// phpcs:disable Squiz.Classes.ValidClassName.NotCamelCaps
/**
* Session library.
*
@@ -9,449 +17,432 @@
* @copyright (c) 2007-2008 Kohana Team
* @license http://kohanaphp.com/license.html
*/
class Session_Core {
// Session singleton
protected static $instance;
// Protected key names (cannot be set by the user)
protected static $protect = array('session_id', 'user_agent', 'last_activity', 'ip_address', 'total_hits', '_kf_flash_');
// Configuration and driver
protected static $config;
protected static $driver;
// Flash variables
protected static $flash;
// Input library
protected $input;
/**
* Singleton instance of Session.
*/
public static function instance()
{
if (Session::$instance == NULL)
{
// Create a new instance
new Session;
}
return Session::$instance;
}
/**
* On first session instance creation, sets up the driver and creates session.
*/
public function __construct()
{
$this->input = Input::instance();
// This part only needs to be run once
if (Session::$instance === NULL)
{
// Load config
Session::$config = Kohana::config('session');
// Makes a mirrored array, eg: foo=foo
Session::$protect = array_combine(Session::$protect, Session::$protect);
// Configure garbage collection
ini_set('session.gc_probability', (int) Session::$config['gc_probability']);
ini_set('session.gc_divisor', 100);
ini_set('session.gc_maxlifetime', (Session::$config['expiration'] == 0) ? 86400 : Session::$config['expiration']);
// Create a new session
$this->create();
if (Session::$config['regenerate'] > 0 AND ($_SESSION['total_hits'] % Session::$config['regenerate']) === 0)
{
// Regenerate session id and update session cookie
$this->regenerate();
}
else
{
// Always update session cookie to keep the session alive
cookie::set(Session::$config['name'], $_SESSION['session_id'], Session::$config['expiration']);
}
// Close the session just before sending the headers, so that
// the session cookie(s) can be written.
Event::add('system.send_headers', array($this, 'write_close'));
// Make sure that sessions are closed before exiting
register_shutdown_function(array($this, 'write_close'));
// Singleton instance
Session::$instance = $this;
}
Kohana::log('debug', 'Session Library initialized');
}
/**
* Get the session id.
*
* @return string
*/
public function id()
{
return $_SESSION['session_id'];
}
/**
* Create a new session.
*
* @param array variables to set after creation
* @return void
*/
public function create($vars = NULL)
{
// Destroy any current sessions
$this->destroy();
if (Session::$config['driver'] !== 'native')
{
// Set driver name
$driver = 'Session_'.ucfirst(Session::$config['driver']).'_Driver';
// Load the driver
if ( ! Kohana::auto_load($driver))
throw new Kohana_Exception('core.driver_not_found', Session::$config['driver'], get_class($this));
// Initialize the driver
Session::$driver = new $driver();
// Validate the driver
if ( ! (Session::$driver instanceof Session_Driver))
throw new Kohana_Exception('core.driver_implements', Session::$config['driver'], get_class($this), 'Session_Driver');
// Register non-native driver as the session handler
session_set_save_handler
(
array(Session::$driver, 'open'),
array(Session::$driver, 'close'),
array(Session::$driver, 'read'),
array(Session::$driver, 'write'),
array(Session::$driver, 'destroy'),
array(Session::$driver, 'gc')
);
}
// Validate the session name
if ( ! preg_match('~^(?=.*[a-z])[a-z0-9_]++$~iD', Session::$config['name']))
throw new Kohana_Exception('session.invalid_session_name', Session::$config['name']);
// Name the session, this will also be the name of the cookie
session_name(Session::$config['name']);
// Set the session cookie parameters
session_set_cookie_params
(
Session::$config['expiration'],
Kohana::config('cookie.path'),
Kohana::config('cookie.domain'),
Kohana::config('cookie.secure')
);
// Start the session!
session_start();
// Put session_id in the session variable
$_SESSION['session_id'] = session_id();
// Set defaults
if ( ! isset($_SESSION['_kf_flash_']))
{
$_SESSION['total_hits'] = 0;
$_SESSION['_kf_flash_'] = array();
$_SESSION['user_agent'] = Kohana::$user_agent;
$_SESSION['ip_address'] = $this->input->ip_address();
}
// Set up flash variables
Session::$flash =& $_SESSION['_kf_flash_'];
// Increase total hits
$_SESSION['total_hits'] += 1;
// Validate data only on hits after one
if ($_SESSION['total_hits'] > 1)
{
// Validate the session
foreach (Session::$config['validate'] as $valid)
{
switch ($valid)
{
// Check user agent for consistency
case 'user_agent':
if ($_SESSION[$valid] !== Kohana::$user_agent)
return $this->create();
break;
// Check ip address for consistency
case 'ip_address':
if ($_SESSION[$valid] !== $this->input->$valid())
return $this->create();
break;
// Check expiration time to prevent users from manually modifying it
case 'expiration':
if (time() - $_SESSION['last_activity'] > ini_get('session.gc_maxlifetime'))
return $this->create();
break;
}
}
}
// Expire flash keys
$this->expire_flash();
// Update last activity
$_SESSION['last_activity'] = time();
// Set the new data
Session::set($vars);
}
/**
* Regenerates the global session id.
*
* @return void
*/
public function regenerate()
{
if (Session::$config['driver'] === 'native')
{
// Generate a new session id
// Note: also sets a new session cookie with the updated id
session_regenerate_id(TRUE);
// Update session with new id
$_SESSION['session_id'] = session_id();
}
else
{
// Pass the regenerating off to the driver in case it wants to do anything special
$_SESSION['session_id'] = Session::$driver->regenerate();
}
// Get the session name
$name = session_name();
if (isset($_COOKIE[$name]))
{
// Change the cookie value to match the new session id to prevent "lag"
$_COOKIE[$name] = $_SESSION['session_id'];
}
}
/**
* Destroys the current session.
*
* @return void
*/
public function destroy()
{
if (session_id() !== '')
{
// Get the session name
$name = session_name();
// Destroy the session
session_destroy();
// Re-initialize the array
$_SESSION = array();
// Delete the session cookie
cookie::delete($name);
}
}
/**
* Runs the system.session_write event, then calls session_write_close.
*
* @return void
*/
public function write_close()
{
static $run;
if ($run === NULL)
{
$run = TRUE;
// Run the events that depend on the session being open
Event::run('system.session_write');
// Expire flash keys
$this->expire_flash();
// Close the session
session_write_close();
}
}
/**
* Set a session variable.
*
* @param string|array key, or array of values
* @param mixed value (if keys is not an array)
* @return void
*/
public function set($keys, $val = FALSE)
{
if (empty($keys))
return FALSE;
if ( ! is_array($keys))
{
$keys = array($keys => $val);
}
foreach ($keys as $key => $val)
{
if (isset(Session::$protect[$key]))
continue;
// Set the key
$_SESSION[$key] = $val;
}
}
/**
* Set a flash variable.
*
* @param string|array key, or array of values
* @param mixed value (if keys is not an array)
* @return void
*/
public function set_flash($keys, $val = FALSE)
{
if (empty($keys))
return FALSE;
if ( ! is_array($keys))
{
$keys = array($keys => $val);
}
foreach ($keys as $key => $val)
{
if ($key == FALSE)
continue;
Session::$flash[$key] = 'new';
Session::set($key, $val);
}
}
/**
* Freshen one, multiple or all flash variables.
*
* @param string variable key(s)
* @return void
*/
public function keep_flash($keys = NULL)
{
$keys = ($keys === NULL) ? array_keys(Session::$flash) : func_get_args();
foreach ($keys as $key)
{
if (isset(Session::$flash[$key]))
{
Session::$flash[$key] = 'new';
}
}
}
/**
* Expires old flash data and removes it from the session.
*
* @return void
*/
public function expire_flash()
{
static $run;
// Method can only be run once
if ($run === TRUE)
return;
if ( ! empty(Session::$flash))
{
foreach (Session::$flash as $key => $state)
{
if ($state === 'old')
{
// Flash has expired
unset(Session::$flash[$key], $_SESSION[$key]);
}
else
{
// Flash will expire
Session::$flash[$key] = 'old';
}
}
}
// Method has been run
$run = TRUE;
}
/**
* Get a variable. Access to sub-arrays is supported with key.subkey.
*
* @param string variable key
* @param mixed default value returned if variable does not exist
* @return mixed Variable data if key specified, otherwise array containing all session data.
*/
public function get($key = FALSE, $default = FALSE)
{
if (empty($key))
return $_SESSION;
$result = isset($_SESSION[$key]) ? $_SESSION[$key] : Kohana::key_string($_SESSION, $key);
return ($result === NULL) ? $default : $result;
}
/**
* Get a variable, and delete it.
*
* @param string variable key
* @param mixed default value returned if variable does not exist
* @return mixed
*/
public function get_once($key, $default = FALSE)
{
$return = Session::get($key, $default);
Session::delete($key);
return $return;
}
/**
* Delete one or more variables.
*
* @param string variable key(s)
* @return void
*/
public function delete($keys)
{
$args = func_get_args();
foreach ($args as $key)
{
if (isset(Session::$protect[$key]))
continue;
// Unset the key
unset($_SESSION[$key]);
}
}
} // End Session Class
class Session_Core
{
// Session singleton
protected static $instance;
// Protected key names (cannot be set by the user)
protected static $protect = array('session_id', 'user_agent', 'last_activity', 'ip_address', 'total_hits', '_kf_flash_');
// Configuration and driver
protected static $config;
protected static $driver;
// Flash variables
protected static $flash;
// Input library
protected $input;
/**
* Singleton instance of Session.
*/
public static function instance()
{
if (Session::$instance == null) {
// Create a new instance
new Session();
}
return Session::$instance;
}
/**
* On first session instance creation, sets up the driver and creates session.
*/
public function __construct()
{
$this->input = Input::instance();
// This part only needs to be run once
if (Session::$instance === null) {
// Load config
Session::$config = Kohana::config('session');
// Makes a mirrored array, eg: foo=foo
Session::$protect = array_combine(Session::$protect, Session::$protect);
// Configure garbage collection
ini_set('session.gc_probability', (int) Session::$config['gc_probability']);
ini_set('session.gc_divisor', 100);
ini_set('session.gc_maxlifetime', (Session::$config['expiration'] == 0) ? 86400 : Session::$config['expiration']);
// Create a new session
$this->create();
if (Session::$config['regenerate'] > 0 and ($_SESSION['total_hits'] % Session::$config['regenerate']) === 0) {
// Regenerate session id and update session cookie
$this->regenerate();
} else {
// Always update session cookie to keep the session alive
cookie::set(Session::$config['name'], $_SESSION['session_id'], Session::$config['expiration']);
}
// Close the session just before sending the headers, so that
// the session cookie(s) can be written.
Event::add('system.send_headers', array($this, 'write_close'));
// Make sure that sessions are closed before exiting
register_shutdown_function(array($this, 'write_close'));
// Singleton instance
Session::$instance = $this;
}
Kohana::log('debug', 'Session Library initialized');
}
/**
* Get the session id.
*
* @return string
*/
public function id()
{
return $_SESSION['session_id'];
}
/**
* Create a new session.
*
* @param array variables to set after creation
* @return void
*/
public function create($vars = null)
{
// Destroy any current sessions
$this->destroy();
if (Session::$config['driver'] !== 'native') {
// Set driver name
$driver = 'Session_' . ucfirst(Session::$config['driver']) . '_Driver';
// Load the driver
if (! Kohana::auto_load($driver)) {
throw new Kohana_Exception('core.driver_not_found', Session::$config['driver'], get_class($this));
}
// Initialize the driver
Session::$driver = new $driver();
// Validate the driver
if (! (Session::$driver instanceof Session_Driver)) {
throw new Kohana_Exception('core.driver_implements', Session::$config['driver'], get_class($this), 'Session_Driver');
}
// Register non-native driver as the session handler
session_set_save_handler(
array(Session::$driver, 'open'),
array(Session::$driver, 'close'),
array(Session::$driver, 'read'),
array(Session::$driver, 'write'),
array(Session::$driver, 'destroy'),
array(Session::$driver, 'gc')
);
}
// Validate the session name
if (! preg_match('~^(?=.*[a-z])[a-z0-9_]++$~iD', Session::$config['name'])) {
throw new Kohana_Exception('session.invalid_session_name', Session::$config['name']);
}
// Name the session, this will also be the name of the cookie
session_name(Session::$config['name']);
// Set the session cookie parameters
session_set_cookie_params(
Session::$config['expiration'],
Kohana::config('cookie.path'),
Kohana::config('cookie.domain'),
Kohana::config('cookie.secure')
);
// Start the session!
session_start();
// Put session_id in the session variable
$_SESSION['session_id'] = session_id();
// Set defaults
if (! isset($_SESSION['_kf_flash_'])) {
$_SESSION['total_hits'] = 0;
$_SESSION['_kf_flash_'] = array();
$_SESSION['user_agent'] = Kohana::$user_agent;
$_SESSION['ip_address'] = $this->input->ip_address();
}
// Set up flash variables
Session::$flash =& $_SESSION['_kf_flash_'];
// Increase total hits
$_SESSION['total_hits'] += 1;
// Validate data only on hits after one
if ($_SESSION['total_hits'] > 1) {
// Validate the session
foreach (Session::$config['validate'] as $valid) {
switch ($valid) {
// Check user agent for consistency
case 'user_agent':
if ($_SESSION[$valid] !== Kohana::$user_agent) {
return $this->create();
}
break;
// Check ip address for consistency
case 'ip_address':
if ($_SESSION[$valid] !== $this->input->$valid()) {
return $this->create();
}
break;
// Check expiration time to prevent users from manually modifying it
case 'expiration':
if (time() - $_SESSION['last_activity'] > ini_get('session.gc_maxlifetime')) {
return $this->create();
}
break;
}
}
}
// Expire flash keys
$this->expire_flash();
// Update last activity
$_SESSION['last_activity'] = time();
// Set the new data
Session::set($vars);
}
/**
* Regenerates the global session id.
*
* @return void
*/
public function regenerate()
{
if (Session::$config['driver'] === 'native') {
// Generate a new session id
// Note: also sets a new session cookie with the updated id
session_regenerate_id(true);
// Update session with new id
$_SESSION['session_id'] = session_id();
} else {
// Pass the regenerating off to the driver in case it wants to do anything special
$_SESSION['session_id'] = Session::$driver->regenerate();
}
// Get the session name
$name = session_name();
if (isset($_COOKIE[$name])) {
// Change the cookie value to match the new session id to prevent "lag"
$_COOKIE[$name] = $_SESSION['session_id'];
}
}
/**
* Destroys the current session.
*
* @return void
*/
public function destroy()
{
if (session_id() !== '') {
// Get the session name
$name = session_name();
// Destroy the session
session_destroy();
// Re-initialize the array
$_SESSION = array();
// Delete the session cookie
cookie::delete($name);
}
}
/**
* Runs the system.session_write event, then calls session_write_close.
*
* @return void
*/
public function write_close()
{
static $run;
if ($run === null) {
$run = true;
// Run the events that depend on the session being open
Event::run('system.session_write');
// Expire flash keys
$this->expire_flash();
// Close the session
session_write_close();
}
}
/**
* Set a session variable.
*
* @param string|array key, or array of values
* @param mixed value (if keys is not an array)
* @return void
*/
public function set($keys, $val = false)
{
if (empty($keys)) {
return false;
}
if (! is_array($keys)) {
$keys = array($keys => $val);
}
foreach ($keys as $key => $val) {
if (isset(Session::$protect[$key])) {
continue;
}
// Set the key
$_SESSION[$key] = $val;
}
}
/**
* Set a flash variable.
*
* @param string|array key, or array of values
* @param mixed value (if keys is not an array)
* @return void
*/
public function set_flash($keys, $val = false)
{
if (empty($keys)) {
return false;
}
if (! is_array($keys)) {
$keys = array($keys => $val);
}
foreach ($keys as $key => $val) {
if ($key == false) {
continue;
}
Session::$flash[$key] = 'new';
Session::set($key, $val);
}
}
/**
* Freshen one, multiple or all flash variables.
*
* @param string variable key(s)
* @return void
*/
public function keep_flash($keys = null)
{
$keys = ($keys === null) ? array_keys(Session::$flash) : func_get_args();
foreach ($keys as $key) {
if (isset(Session::$flash[$key])) {
Session::$flash[$key] = 'new';
}
}
}
/**
* Expires old flash data and removes it from the session.
*
* @return void
*/
public function expire_flash()
{
static $run;
// Method can only be run once
if ($run === true) {
return;
}
if (! empty(Session::$flash)) {
foreach (Session::$flash as $key => $state) {
if ($state === 'old') {
// Flash has expired
unset(Session::$flash[$key], $_SESSION[$key]);
} else {
// Flash will expire
Session::$flash[$key] = 'old';
}
}
}
// Method has been run
$run = true;
}
/**
* Get a variable. Access to sub-arrays is supported with key.subkey.
*
* @param string variable key
* @param mixed default value returned if variable does not exist
* @return mixed Variable data if key specified, otherwise array containing all session data.
*/
public function get($key = false, $default = false)
{
if (empty($key)) {
return $_SESSION;
}
$result = isset($_SESSION[$key]) ? $_SESSION[$key] : Kohana::key_string($_SESSION, $key);
return ($result === null) ? $default : $result;
}
/**
* Get a variable, and delete it.
*
* @param string variable key
* @param mixed default value returned if variable does not exist
* @return mixed
*/
public function get_once($key, $default = false)
{
$return = Session::get($key, $default);
Session::delete($key);
return $return;
}
/**
* Delete one or more variables.
*
* @param string variable key(s)
* @return void
*/
public function delete($keys)
{
$args = func_get_args();
foreach ($args as $key) {
if (isset(Session::$protect[$key])) {
continue;
}
// Unset the key
unset($_SESSION[$key]);
}
}
}
// End Session Class