166 lines
4.4 KiB
PHP
166 lines
4.4 KiB
PHP
<?php
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namespace Symfony\Component\HttpFoundation\SessionStorage;
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* NativeSessionStorage.
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*
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* @author Fabien Potencier <fabien.potencier@symfony-project.com>
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*/
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class NativeSessionStorage implements SessionStorageInterface
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{
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static protected $sessionIdRegenerated = false;
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static protected $sessionStarted = false;
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protected $options;
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/**
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* Available options:
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*
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* * name: The cookie name (_SESS by default)
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* * id: The session id (null by default)
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* * lifetime: Cookie lifetime
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* * path: Cookie path
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* * domain: Cookie domain
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* * secure: Cookie secure
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* * httponly: Cookie http only
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*
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* The default values for most options are those returned by the session_get_cookie_params() function
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*
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* @param array $options An associative array of options
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*/
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public function __construct(array $options = array())
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{
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$cookieDefaults = session_get_cookie_params();
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$this->options = array_merge(array(
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'name' => '_SESS',
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'lifetime' => $cookieDefaults['lifetime'],
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'path' => $cookieDefaults['path'],
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'domain' => $cookieDefaults['domain'],
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'secure' => $cookieDefaults['secure'],
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'httponly' => isset($cookieDefaults['httponly']) ? $cookieDefaults['httponly'] : false,
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), $options);
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session_name($this->options['name']);
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}
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/**
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* Starts the session.
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*/
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public function start()
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{
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if (self::$sessionStarted) {
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return;
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}
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session_set_cookie_params(
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$this->options['lifetime'],
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$this->options['path'],
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$this->options['domain'],
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$this->options['secure'],
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$this->options['httponly']
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);
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// disable native cache limiter as this is managed by HeaderBag directly
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session_cache_limiter(false);
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if (!ini_get('session.use_cookies') && $this->options['id'] && $this->options['id'] != session_id()) {
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session_id($this->options['id']);
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}
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session_start();
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self::$sessionStarted = true;
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}
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/**
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* @inheritDoc
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*/
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public function getId()
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{
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if (!self::$sessionStarted) {
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throw new \RuntimeException('The session must be started before reading its ID');
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}
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return session_id();
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}
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/**
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* Reads data from this storage.
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*
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* The preferred format for a key is directory style so naming conflicts can be avoided.
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*
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* @param string $key A unique key identifying your data
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*
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* @return mixed Data associated with the key
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*/
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public function read($key, $default = null)
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{
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return array_key_exists($key, $_SESSION) ? $_SESSION[$key] : $default;
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}
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/**
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* Removes data from this storage.
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*
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* The preferred format for a key is directory style so naming conflicts can be avoided.
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*
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* @param string $key A unique key identifying your data
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*
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* @return mixed Data associated with the key
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*/
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public function remove($key)
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{
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$retval = null;
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if (isset($_SESSION[$key])) {
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$retval = $_SESSION[$key];
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unset($_SESSION[$key]);
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}
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return $retval;
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}
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/**
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* Writes data to this storage.
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*
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* The preferred format for a key is directory style so naming conflicts can be avoided.
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*
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* @param string $key A unique key identifying your data
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* @param mixed $data Data associated with your key
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*
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*/
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public function write($key, $data)
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{
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$_SESSION[$key] = $data;
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}
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/**
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* Regenerates id that represents this storage.
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*
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* @param boolean $destroy Destroy session when regenerating?
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*
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* @return boolean True if session regenerated, false if error
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*
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*/
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public function regenerate($destroy = false)
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{
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if (self::$sessionIdRegenerated) {
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return;
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}
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session_regenerate_id($destroy);
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self::$sessionIdRegenerated = true;
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}
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}
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