%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* This file is part of the Tracy (https://tracy.nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Tracy;
class FileSession implements SessionStorage
{
private const FilePrefix = 'tracy-';
private const CookieLifetime = 31557600;
/** @var string */
public $cookieName = 'tracy-session';
/** @var float probability that the clean() routine is started */
public $gcProbability = 0.001;
/** @var string */
private $dir;
/** @var resource */
private $file;
/** @var array */
private $data = [];
public function __construct(string $dir)
{
$this->dir = $dir;
}
public function isAvailable(): bool
{
if (!$this->file) {
$this->open();
}
return true;
}
private function open(): void
{
$id = $_COOKIE[$this->cookieName] ?? null;
if (
!is_string($id)
|| !preg_match('#^\w{10}\z#i', $id)
|| !($file = @fopen($path = $this->dir . '/' . self::FilePrefix . $id, 'r+')) // intentionally @
) {
$id = Helpers::createId();
setcookie($this->cookieName, $id, time() + self::CookieLifetime, '/', '', false, true);
$file = @fopen($path = $this->dir . '/' . self::FilePrefix . $id, 'c+'); // intentionally @
if ($file === false) {
throw new \RuntimeException("Unable to create file '$path'. " . error_get_last()['message']);
}
}
if (!@flock($file, LOCK_EX)) { // intentionally @
throw new \RuntimeException("Unable to acquire exclusive lock on '$path'. ", error_get_last()['message']);
}
$this->file = $file;
$this->data = @unserialize(stream_get_contents($this->file)) ?: []; // @ - file may be empty
if (mt_rand() / mt_getrandmax() < $this->gcProbability) {
$this->clean();
}
}
public function &getData(): array
{
return $this->data;
}
public function clean(): void
{
$old = strtotime('-1 week');
foreach (glob($this->dir . '/' . self::FilePrefix . '*') as $file) {
if (filemtime($file) < $old) {
unlink($file);
}
}
}
public function __destruct()
{
if (!$this->file) {
return;
}
ftruncate($this->file, 0);
fseek($this->file, 0);
fwrite($this->file, serialize($this->data));
flock($this->file, LOCK_UN);
fclose($this->file);
$this->file = null;
}
}
Zerion Mini Shell 1.0