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- <?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\Impersonate;
- use Symfony\Bundle\SecurityBundle\Security\FirewallMap;
- use Symfony\Component\HttpFoundation\RequestStack;
- use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
- use Symfony\Component\Security\Core\Authentication\Token\SwitchUserToken;
- use Symfony\Component\Security\Http\Firewall\SwitchUserListener;
- /**
- * Provides generator functions for the impersonate url exit.
- *
- * @author Amrouche Hamza <hamza.simperfit@gmail.com>
- * @author Damien Fayet <damienf1521@gmail.com>
- */
- class ImpersonateUrlGenerator
- {
- private $requestStack;
- private $tokenStorage;
- private $firewallMap;
- public function __construct(RequestStack $requestStack, FirewallMap $firewallMap, TokenStorageInterface $tokenStorage)
- {
- $this->requestStack = $requestStack;
- $this->tokenStorage = $tokenStorage;
- $this->firewallMap = $firewallMap;
- }
- public function generateExitPath(string $targetUri = null): string
- {
- return $this->buildExitPath($targetUri);
- }
- public function generateExitUrl(string $targetUri = null): string
- {
- if (null === $request = $this->requestStack->getCurrentRequest()) {
- return '';
- }
- return $request->getUriForPath($this->buildExitPath($targetUri));
- }
- private function isImpersonatedUser(): bool
- {
- return $this->tokenStorage->getToken() instanceof SwitchUserToken;
- }
- private function buildExitPath(string $targetUri = null): string
- {
- if (null === ($request = $this->requestStack->getCurrentRequest()) || !$this->isImpersonatedUser()) {
- return '';
- }
- if (null === $switchUserConfig = $this->firewallMap->getFirewallConfig($request)->getSwitchUser()) {
- throw new \LogicException('Unable to generate the impersonate exit URL without a firewall configured for the user switch.');
- }
- if (null === $targetUri) {
- $targetUri = $request->getRequestUri();
- }
- $targetUri .= (parse_url($targetUri, \PHP_URL_QUERY) ? '&' : '?').http_build_query([$switchUserConfig['parameter'] => SwitchUserListener::EXIT_VALUE]);
- return $targetUri;
- }
- }
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