157 lines
4.2 KiB
PHP
157 lines
4.2 KiB
PHP
<?php
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/*************************************************************************************/
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/* This file is part of the Thelia package. */
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/* */
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/* Copyright (c) OpenStudio */
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/* email : dev@thelia.net */
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/* web : http://www.thelia.net */
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/* */
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/* For the full copyright and license information, please view the LICENSE.txt */
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/* file that was distributed with this source code. */
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/*************************************************************************************/
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namespace Thelia\Tools;
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use Symfony\Component\HttpFoundation\RequestStack;
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use Symfony\Component\HttpFoundation\Session\SessionInterface;
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use Symfony\Component\Translation\TranslatorInterface;
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use Thelia\Core\Security\Exception\TokenAuthenticationException;
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/**
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* Class TokenProvider
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* @package Thelia\Tools
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* @author Benjamin Perche <bperche@openstudio.fr>
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*/
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class TokenProvider
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{
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/**
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* @var string The stored token for this page
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*/
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protected $token;
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/**
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* @var SessionInterface The session where the token is stored
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*/
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protected $session;
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/**
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* @var RequestStack
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*/
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protected $requestStack;
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/**
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* @var TranslatorInterface The translator
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*/
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protected $translator;
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/**
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* @var string the current name of the token
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*/
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protected $tokenName;
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/**
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* @param RequestStack $requestStack
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* @param TranslatorInterface $translator
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* @param $tokenName
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*/
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public function __construct(RequestStack $requestStack, TranslatorInterface $translator, $tokenName)
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{
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/**
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* Store the services
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*/
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$this->requestStack = $requestStack;
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$this->session = $this->requestStack->getCurrentRequest()->getSession();
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$this->translator = $translator;
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$this->tokenName = $tokenName;
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$this->token = $this->session->get($this->tokenName);
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}
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/**
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* @return string
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*/
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public function assignToken()
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{
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if (null === $this->token) {
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$this->token = $this->getToken();
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$this->session->set($this->tokenName, $this->token);
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}
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return $this->token;
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}
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/**
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* @param string $entryValue
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* @return bool
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* @throws \Thelia\Core\Security\Exception\TokenAuthenticationException
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*/
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public function checkToken($entryValue)
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{
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if (null === $this->token) {
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throw new TokenAuthenticationException(
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"Tried to check a token without assigning it before"
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);
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} elseif ($this->token !== $entryValue) {
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throw new TokenAuthenticationException(
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"Tried to validate an invalid token"
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);
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}
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return true;
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}
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protected function refreshToken()
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{
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$this->token = null;
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$this->assignToken();
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}
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/**
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* @return string
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*/
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public function getToken()
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{
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return self::generateToken();
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}
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/**
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* Same method as getToken but can be called statically
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*
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* @alias getToken
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* @return string
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*/
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public static function generateToken()
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{
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$raw = self::getOpenSSLRandom();
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if (false === $raw) {
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$raw = self::getComplexRandom();
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}
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return md5($raw);
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}
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/**
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* @param int $length
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* @return string
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*/
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protected static function getOpenSSLRandom($length = 40)
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{
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if (!function_exists("openssl_random_pseudo_bytes")) {
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return false;
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}
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return openssl_random_pseudo_bytes($length);
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}
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/**
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* @return string
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*/
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protected static function getComplexRandom()
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{
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$firstValue = (float) (mt_rand(1, 0xFFFF) * rand(1, 0x10001));
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$secondValues = (float) (rand(1, 0xFFFF) * mt_rand(1, 0x10001));
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return microtime() . ceil($firstValue / $secondValues) . uniqid();
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}
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}
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