77 lines
2.4 KiB
PHP
77 lines
2.4 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Security\Http\Impersonate;
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use Symfony\Bundle\SecurityBundle\Security\FirewallMap;
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use Symfony\Component\HttpFoundation\RequestStack;
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use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
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use Symfony\Component\Security\Core\Authentication\Token\SwitchUserToken;
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use Symfony\Component\Security\Http\Firewall\SwitchUserListener;
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/**
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* Provides generator functions for the impersonate url exit.
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*
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* @author Amrouche Hamza <hamza.simperfit@gmail.com>
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* @author Damien Fayet <damienf1521@gmail.com>
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*/
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class ImpersonateUrlGenerator
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{
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private $requestStack;
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private $tokenStorage;
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private $firewallMap;
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public function __construct(RequestStack $requestStack, FirewallMap $firewallMap, TokenStorageInterface $tokenStorage)
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{
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$this->requestStack = $requestStack;
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$this->tokenStorage = $tokenStorage;
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$this->firewallMap = $firewallMap;
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}
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public function generateExitPath(string $targetUri = null): string
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{
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return $this->buildExitPath($targetUri);
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}
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public function generateExitUrl(string $targetUri = null): string
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{
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if (null === $request = $this->requestStack->getCurrentRequest()) {
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return '';
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}
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return $request->getUriForPath($this->buildExitPath($targetUri));
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}
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private function isImpersonatedUser(): bool
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{
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return $this->tokenStorage->getToken() instanceof SwitchUserToken;
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}
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private function buildExitPath(string $targetUri = null): string
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{
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if (null === ($request = $this->requestStack->getCurrentRequest()) || !$this->isImpersonatedUser()) {
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return '';
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}
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if (null === $switchUserConfig = $this->firewallMap->getFirewallConfig($request)->getSwitchUser()) {
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throw new \LogicException('Unable to generate the impersonate exit URL without a firewall configured for the user switch.');
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}
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if (null === $targetUri) {
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$targetUri = $request->getRequestUri();
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}
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$targetUri .= (parse_url($targetUri, \PHP_URL_QUERY) ? '&' : '?').http_build_query([$switchUserConfig['parameter'] => SwitchUserListener::EXIT_VALUE], '', '&');
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return $targetUri;
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}
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}
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