79 lines
1.7 KiB
PHP
79 lines
1.7 KiB
PHP
<?php
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/**
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* The Legend of Z
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*
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* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
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* @copyright 2014 Heinrich-Heine-Universität Düsseldorf
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* @license http://www.gnu.org/licenses/gpl.html
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* @link https://bitbucket.org/coderkun/the-legend-of-z
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*/
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namespace hhu\z\controllers\components;
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/**
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* Component to handle authentication and authorization.
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*
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* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
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*/
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class AuthComponent extends \nre\core\Component
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{
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/**
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* Key to save a user-ID as
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*
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* @var string
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*/
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const KEY_USER_ID = 'user_id';
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/**
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* Construct a new Auth-component.
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*/
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public function __construct()
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{
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// Start session
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if(session_id() === '') {
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session_start();
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}
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}
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/**
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* Set the ID of the user that is currently logged in.
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*
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* @param int $userId ID of the currently logged in user
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*/
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public function setUserId($userId)
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{
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if(is_null($userId)) {
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unset($_SESSION[self::KEY_USER_ID]);
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}
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else {
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$_SESSION[self::KEY_USER_ID] = $userId;
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}
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}
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/**
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* Get the ID of the user that is currently logged in.
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*
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* @return int ID of the currently logged in user
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*/
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public function getUserId()
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{
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if(array_key_exists(self::KEY_USER_ID, $_SESSION)) {
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return $_SESSION[self::KEY_USER_ID];
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}
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return null;
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}
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}
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?>
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