Edit - AbstractStorage.php

Edit: AbstractStorage.php

<?php

namespace Nextend\Framework\Session;

use Nextend\Framework\Plugin;
use Nextend\Framework\Request\Request;

abstract class AbstractStorage {

protected static $expire = 86400; // 1 day

protected static $salt = 'nextendSalt';

protected $hash;

protected $storage = array();

public $storageChanged = false;

public function __construct($userIdentifier) {

$this->register();
        $cookie = Request::$COOKIE->getCmd('nextendsession');
        if ($cookie === '' || substr($cookie, 0, 2) != 'n2' || !preg_match('/^[a-f0-9]{32}$/', substr($cookie, 2))) {
            $this->hash = 'n2' . md5(self::$salt . $userIdentifier);
            setcookie('nextendsession', $this->hash, time() + self::$expire, Request::$SERVER->getVar('HTTP_HOST'));
            Request::$COOKIE->set('nextendsession', $this->hash);
        } else {
            $this->hash = $cookie;
        }

$this->load();
    }

/**
     * Load the whole session
     * $this->storage = json_decode(result for $this->hash);
     */
    protected abstract function load();

/**
     * Store the whole session
     * $this->hash json_encode($this->storage);
     */
    protected abstract function store();

public function get($key, $default = '') {
        return isset($this->storage[$key]) ? $this->storage[$key] : $default;
    }

public function set($key, $value) {
        $this->storageChanged = true;

$this->storage[$key] = $value;
    }

public function delete($key) {
        $this->storageChanged = true;
        unset($this->storage[$key]);
    }

/**
     * Register our method for PHP shut down
     */
    protected function register() {
        Plugin::addAction('exit', array(
            $this,
            'shutdown'
        ));
    }

/**
     * When PHP shuts down, we have to save our session's data if the data changed
     */
    public function shutdown() {
        Plugin::doAction('beforeSessionSave');
        if ($this->storageChanged) {
            $this->store();
        }
    }
}

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