66 lines
1.4 KiB
PHP
66 lines
1.4 KiB
PHP
<?php
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class Session {
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static $instance = null;
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private function __construct() {
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$this->initSession();
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}
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public function initSession() {
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session_cache_limiter(false);
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session_start();
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}
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public function closeSession() {
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session_destroy();
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}
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public static function getInstance() {
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if (!self::$instance) {
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self::$instance = new Session();
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}
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return self::$instance;
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}
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public function createSession($userId) {
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$this->store('userId', $userId);
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$this->store('token', $this->generateToken());
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}
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public function getToken() {
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return $this->getStoredData('token');
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}
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public function sessionExists() {
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return !!$this->getToken();
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}
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public function checkAuthentication($data) {
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return $this->getStoredData('userId') === $data['userId'] &&
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$this->getStoredData('token') === $data['token'];
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}
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public function isLoggedWithId($userId) {
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return ($this->getStoredData('userId') === $userId);
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}
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private function store($key, $value) {
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$_SESSION[$key] = $value;
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}
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private function getStoredData($key) {
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$storedValue = null;
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if (array_key_exists($key, $_SESSION)) {
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$storedValue = $_SESSION[$key];
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}
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return $storedValue;
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}
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private function generateToken() {
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return md5(uniqid(rand()));
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}
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} |