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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpFoundation\Session\Storage;
/**
* MockFileSessionStorage is used to mock sessions for
* functional testing when done in a single PHP process.
*
* No PHP session is actually started since a session can be initialized
* and shutdown only once per PHP execution cycle and this class does
* not pollute any session related globals, including session_*() functions
* or session.* PHP ini directives.
*
* @author Drak <drak@zikula.org>
*/
class MockFileSessionStorage extends MockArraySessionStorage
{
private $savePath;
/**
* @param string $savePath Path of directory to save session files
* @param string $name Session name
* @param MetadataBag $metaBag MetadataBag instance
*/
public function __construct(string $savePath = null, string $name = 'MOCKSESSID', MetadataBag $metaBag = null)
{
if (null === $savePath) {
$savePath = sys_get_temp_dir();
}
if (!is_dir($savePath) && !@mkdir($savePath, 0777, true) && !is_dir($savePath)) {
throw new \RuntimeException(sprintf('Session Storage was not able to create directory "%s"', $savePath));
}
$this->savePath = $savePath;
parent::__construct($name, $metaBag);
}
/**
* {@inheritdoc}
*/
public function start()
{
if ($this->started) {
return true;
}
if (!$this->id) {
$this->id = $this->generateId();
}
$this->read();
$this->started = true;
return true;
}
/**
* {@inheritdoc}
*/
public function regenerate($destroy = false, $lifetime = null)
{
if (!$this->started) {
$this->start();
}
if ($destroy) {
$this->destroy();
}
return parent::regenerate($destroy, $lifetime);
}
/**
* {@inheritdoc}
*/
public function save()
{
if (!$this->started) {
throw new \RuntimeException('Trying to save a session that was not started yet or was already closed');
}
$data = $this->data;
foreach ($this->bags as $bag) {
if (empty($data[$key = $bag->getStorageKey()])) {
unset($data[$key]);
}
}
if ([$key = $this->metadataBag->getStorageKey()] === array_keys($data)) {
unset($data[$key]);
}
try {
if ($data) {
file_put_contents($this->getFilePath(), serialize($data));
} else {
$this->destroy();
}
} finally {
$this->data = $data;
}
// this is needed for Silex, where the session object is re-used across requests
// in functional tests. In Symfony, the container is rebooted, so we don't have
// this issue
$this->started = false;
}
/**
* Deletes a session from persistent storage.
* Deliberately leaves session data in memory intact.
*/
private function destroy()
{
if (is_file($this->getFilePath())) {
unlink($this->getFilePath());
}
}
/**
* Calculate path to file.
*
* @return string File path
*/
private function getFilePath()
{
return $this->savePath.'/'.$this->id.'.mocksess';
}
/**
* Reads session from storage and loads session.
*/
private function read()
{
$filePath = $this->getFilePath();
$this->data = is_readable($filePath) && is_file($filePath) ? unserialize(file_get_contents($filePath)) : [];
$this->loadSession();
}
}
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