Symfony Profiler

<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Security\Http\RememberMe;
use Psr\Log\LoggerInterface;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Security\Core\Authentication\RememberMe\PersistentToken;
use Symfony\Component\Security\Core\Authentication\RememberMe\TokenProviderInterface;
use Symfony\Component\Security\Core\Authentication\RememberMe\TokenVerifierInterface;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
use Symfony\Component\Security\Core\Exception\CookieTheftException;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\UserProviderInterface;
/**
* Implements remember-me tokens using a {@see TokenProviderInterface}.
*
* This requires storing remember-me tokens in a database. This allows
* more control over the invalidation of remember-me tokens. See
* {@see SignatureRememberMeHandler} if you don't want to use a database.
*
* @author Wouter de Jong <wouter@wouterj.nl>
*/
final class PersistentRememberMeHandler extends AbstractRememberMeHandler
{
private $tokenProvider;
private $tokenVerifier;
public function __construct(TokenProviderInterface $tokenProvider, string $secret, UserProviderInterface $userProvider, RequestStack $requestStack, array $options, LoggerInterface $logger = null, TokenVerifierInterface $tokenVerifier = null)
{
parent::__construct($userProvider, $requestStack, $options, $logger);
if (!$tokenVerifier && $tokenProvider instanceof TokenVerifierInterface) {
$tokenVerifier = $tokenProvider;
}
$this->tokenProvider = $tokenProvider;
$this->tokenVerifier = $tokenVerifier;
}
/**
* {@inheritdoc}
*/
public function createRememberMeCookie(UserInterface $user): void
{
$series = random_bytes(66);
$tokenValue = strtr(base64_encode(substr($series, 33)), '+/=', '-_~');
$series = strtr(base64_encode(substr($series, 0, 33)), '+/=', '-_~');
$token = new PersistentToken(\get_class($user), method_exists($user, 'getUserIdentifier') ? $user->getUserIdentifier() : $user->getUsername(), $series, $tokenValue, new \DateTime());
$this->tokenProvider->createNewToken($token);
$this->createCookie(RememberMeDetails::fromPersistentToken($token, time() + $this->options['lifetime']));
}
public function consumeRememberMeCookie(RememberMeDetails $rememberMeDetails): UserInterface
{
if (!str_contains($rememberMeDetails->getValue(), ':')) {
throw new AuthenticationException('The cookie is incorrectly formatted.');
}
[$series, $tokenValue] = explode(':', $rememberMeDetails->getValue());
$persistentToken = $this->tokenProvider->loadTokenBySeries($series);
if ($this->tokenVerifier) {
$isTokenValid = $this->tokenVerifier->verifyToken($persistentToken, $tokenValue);
} else {
$isTokenValid = hash_equals($persistentToken->getTokenValue(), $tokenValue);
}
if (!$isTokenValid) {
throw new CookieTheftException('This token was already used. The account is possibly compromised.');
}
if ($persistentToken->getLastUsed()->getTimestamp() + $this->options['lifetime'] < time()) {
throw new AuthenticationException('The cookie has expired.');
}
return parent::consumeRememberMeCookie($rememberMeDetails->withValue($persistentToken->getLastUsed()->getTimestamp().':'.$rememberMeDetails->getValue().':'.$persistentToken->getClass()));
}
public function processRememberMe(RememberMeDetails $rememberMeDetails, UserInterface $user): void
{
[$lastUsed, $series, $tokenValue, $class] = explode(':', $rememberMeDetails->getValue(), 4);
$persistentToken = new PersistentToken($class, $rememberMeDetails->getUserIdentifier(), $series, $tokenValue, new \DateTime('@'.$lastUsed));
// if a token was regenerated less than a minute ago, there is no need to regenerate it
// if multiple concurrent requests reauthenticate a user we do not want to update the token several times
if ($persistentToken->getLastUsed()->getTimestamp() + 60 >= time()) {
return;
}
$tokenValue = strtr(base64_encode(random_bytes(33)), '+/=', '-_~');
$tokenLastUsed = new \DateTime();
if ($this->tokenVerifier) {
$this->tokenVerifier->updateExistingToken($persistentToken, $tokenValue, $tokenLastUsed);
}
$this->tokenProvider->updateToken($series, $tokenValue, $tokenLastUsed);
$this->createCookie($rememberMeDetails->withValue($series.':'.$tokenValue));
}
/**
* {@inheritdoc}
*/
public function clearRememberMeCookie(): void
{
parent::clearRememberMeCookie();
$cookie = $this->requestStack->getMainRequest()->cookies->get($this->options['name']);
if (null === $cookie) {
return;
}
$rememberMeDetails = RememberMeDetails::fromRawCookie($cookie);
[$series] = explode(':', $rememberMeDetails->getValue());
$this->tokenProvider->deleteTokenBySeries($series);
}
/**
* @internal
*/
public function getTokenProvider(): TokenProviderInterface
{
return $this->tokenProvider;
}
}

vendor/symfony/security-http/RememberMe/PersistentRememberMeHandler.php line 38