FestinHegre/vendor/symfony/security-bundle/Security.php
2024-09-26 17:26:04 +02:00

185 lines
8.2 KiB
PHP

<?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\Bundle\SecurityBundle;
use Psr\Container\ContainerInterface;
use Symfony\Bundle\SecurityBundle\Security\FirewallConfig;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
use Symfony\Component\Security\Core\Exception\LogicException;
use Symfony\Component\Security\Core\Exception\LogoutException;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Csrf\CsrfToken;
use Symfony\Component\Security\Http\Authenticator\AuthenticatorInterface;
use Symfony\Component\Security\Http\Authenticator\Passport\Badge\BadgeInterface;
use Symfony\Component\Security\Http\Event\LogoutEvent;
use Symfony\Component\Security\Http\ParameterBagUtils;
use Symfony\Contracts\Service\ServiceProviderInterface;
/**
* Helper class for commonly-needed security tasks.
*
* @author Ryan Weaver <ryan@symfonycasts.com>
* @author Robin Chalas <robin.chalas@gmail.com>
* @author Arnaud Frézet <arnaud@larriereguichet.fr>
*
* @final
*/
class Security implements AuthorizationCheckerInterface
{
public function __construct(
private readonly ContainerInterface $container,
private readonly array $authenticators = [],
) {
}
public function getUser(): ?UserInterface
{
if (!$token = $this->getToken()) {
return null;
}
return $token->getUser();
}
/**
* Checks if the attributes are granted against the current authentication token and optionally supplied subject.
*/
public function isGranted(mixed $attributes, mixed $subject = null): bool
{
return $this->container->get('security.authorization_checker')
->isGranted($attributes, $subject);
}
public function getToken(): ?TokenInterface
{
return $this->container->get('security.token_storage')->getToken();
}
public function getFirewallConfig(Request $request): ?FirewallConfig
{
return $this->container->get('security.firewall.map')->getFirewallConfig($request);
}
/**
* @param UserInterface $user The user to authenticate
* @param string|null $authenticatorName The authenticator name (e.g. "form_login") or service id (e.g. SomeApiKeyAuthenticator::class) - required only if multiple authenticators are configured
* @param string|null $firewallName The firewall name - required only if multiple firewalls are configured
* @param BadgeInterface[] $badges Badges to add to the user's passport
*
* @return Response|null The authenticator success response if any
*/
public function login(UserInterface $user, ?string $authenticatorName = null, ?string $firewallName = null, array $badges = []): ?Response
{
$request = $this->container->get('request_stack')->getCurrentRequest();
if (null === $request) {
throw new LogicException('Unable to login without a request context.');
}
$firewallName ??= $this->getFirewallConfig($request)?->getName();
if (!$firewallName) {
throw new LogicException('Unable to login as the current route is not covered by any firewall.');
}
$authenticator = $this->getAuthenticator($authenticatorName, $firewallName);
$userCheckerLocator = $this->container->get('security.user_checker_locator');
$userCheckerLocator->get($firewallName)->checkPreAuth($user);
return $this->container->get('security.authenticator.managers_locator')->get($firewallName)->authenticateUser($user, $authenticator, $request, $badges);
}
/**
* Logout the current user by dispatching the LogoutEvent.
*
* @param bool $validateCsrfToken Whether to look for a valid CSRF token based on the `logout` listener configuration
*
* @return Response|null The LogoutEvent's Response if any
*
* @throws LogoutException When $validateCsrfToken is true and the CSRF token is not found or invalid
*/
public function logout(bool $validateCsrfToken = true): ?Response
{
$request = $this->container->get('request_stack')->getMainRequest();
if (null === $request) {
throw new LogicException('Unable to logout without a request context.');
}
/** @var TokenStorageInterface $tokenStorage */
$tokenStorage = $this->container->get('security.token_storage');
if (!($token = $tokenStorage->getToken()) || !$token->getUser()) {
throw new LogicException('Unable to logout as there is no logged-in user.');
}
if (!$firewallConfig = $this->container->get('security.firewall.map')->getFirewallConfig($request)) {
throw new LogicException('Unable to logout as the request is not behind a firewall.');
}
if ($validateCsrfToken) {
if (!$this->container->has('security.csrf.token_manager') || !$logoutConfig = $firewallConfig->getLogout()) {
throw new LogicException(sprintf('Unable to logout with CSRF token validation. Either make sure that CSRF protection is enabled and "logout" is configured on the "%s" firewall, or bypass CSRF token validation explicitly by passing false to the $validateCsrfToken argument of this method.', $firewallConfig->getName()));
}
$csrfToken = ParameterBagUtils::getRequestParameterValue($request, $logoutConfig['csrf_parameter']);
if (!\is_string($csrfToken) || !$this->container->get('security.csrf.token_manager')->isTokenValid(new CsrfToken($logoutConfig['csrf_token_id'], $csrfToken))) {
throw new LogoutException('Invalid CSRF token.');
}
}
$logoutEvent = new LogoutEvent($request, $token);
$this->container->get('security.firewall.event_dispatcher_locator')->get($firewallConfig->getName())->dispatch($logoutEvent);
$tokenStorage->setToken(null);
return $logoutEvent->getResponse();
}
private function getAuthenticator(?string $authenticatorName, string $firewallName): AuthenticatorInterface
{
if (!isset($this->authenticators[$firewallName])) {
throw new LogicException(sprintf('No authenticators found for firewall "%s".', $firewallName));
}
/** @var ServiceProviderInterface $firewallAuthenticatorLocator */
$firewallAuthenticatorLocator = $this->authenticators[$firewallName];
if (!$authenticatorName) {
$authenticatorIds = array_keys($firewallAuthenticatorLocator->getProvidedServices());
if (!$authenticatorIds) {
throw new LogicException(sprintf('No authenticator was found for the firewall "%s".', $firewallName));
}
if (1 < \count($authenticatorIds)) {
throw new LogicException(sprintf('Too many authenticators were found for the current firewall "%s". You must provide an instance of "%s" to login programmatically. The available authenticators for the firewall "%s" are "%s".', $firewallName, AuthenticatorInterface::class, $firewallName, implode('" ,"', $authenticatorIds)));
}
return $firewallAuthenticatorLocator->get($authenticatorIds[0]);
}
if ($firewallAuthenticatorLocator->has($authenticatorName)) {
return $firewallAuthenticatorLocator->get($authenticatorName);
}
$authenticatorId = 'security.authenticator.'.$authenticatorName.'.'.$firewallName;
if (!$firewallAuthenticatorLocator->has($authenticatorId)) {
throw new LogicException(sprintf('Unable to find an authenticator named "%s" for the firewall "%s". Available authenticators: "%s".', $authenticatorName, $firewallName, implode('", "', array_keys($firewallAuthenticatorLocator->getProvidedServices()))));
}
return $firewallAuthenticatorLocator->get($authenticatorId);
}
}