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- 28.08.2024
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ContainerControllerResolver.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\HttpKernel\Controller;
013
014 use Psr\Container\ContainerInterface;
015 use Psr\Log\LoggerInterface;
016 use Symfony\Component\DependencyInjection\Container;
017 use Symfony\Component\HttpFoundation\Request;
018
019 /**
020 * A controller resolver searching for a controller in a psr-11 container when using the "service:method" notation.
021 *
022 * @author Fabien Potencier <fabien@symfony.com>
023 * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
024 */
025 class ContainerControllerResolver extends ControllerResolver
026 {
027 protected $container;
028
029 public function __construct(ContainerInterface $container, LoggerInterface $logger = null)
030 {
031 $this->container = $container;
032
033 parent::__construct($logger);
034 }
035
036 /**
037 * {@inheritdoc}
038 */
039 public function getController(Request $request)
040 {
041 $controller = parent::getController($request);
042
043 if (\is_array($controller) && isset($controller[0]) && \is_string($controller[0]) && $this->container->has($controller[0])) {
044 $controller[0] = $this->instantiateController($controller[0]);
045 }
046
047 return $controller;
048 }
049
050 /**
051 * Returns a callable for the given controller.
052 *
053 * @param string $controller A Controller string
054 *
055 * @return mixed A PHP callable
056 *
057 * @throws \LogicException When the name could not be parsed
058 * @throws \InvalidArgumentException When the controller class does not exist
059 */
060 protected function createController($controller)
061 {
062 if (false !== strpos($controller, '::')) {
063 return parent::createController($controller);
064 }
065
066 $method = null;
067 if (1 == substr_count($controller, ':')) {
068 // controller in the "service:method" notation
069 list($controller, $method) = explode(':', $controller, 2);
070 }
071
072 if (!$this->container->has($controller)) {
073 $this->throwExceptionIfControllerWasRemoved($controller);
074
075 throw new \LogicException(sprintf('Controller not found: service "%s" does not exist.', $controller));
076 }
077
078 $service = $this->container->get($controller);
079 if (null !== $method) {
080 return [$service, $method];
081 }
082
083 if (!method_exists($service, '__invoke')) {
084 throw new \LogicException(sprintf('Controller "%s" cannot be called without a method name. Did you forget an "__invoke" method?', $controller));
085 }
086
087 return $service;
088 }
089
090 /**
091 * {@inheritdoc}
092 */
093 protected function instantiateController($class)
094 {
095 if ($this->container->has($class)) {
096 return $this->container->get($class);
097 }
098
099 try {
100 return parent::instantiateController($class);
101 } catch (\ArgumentCountError $e) {
102 } catch (\ErrorException $e) {
103 } catch (\TypeError $e) {
104 }
105
106 $this->throwExceptionIfControllerWasRemoved($class, $e);
107
108 throw $e;
109 }
110
111 /**
112 * @param string $controller
113 * @param \Exception|\Throwable|null $previous
114 */
115 private function throwExceptionIfControllerWasRemoved($controller, $previous = null)
116 {
117 if ($this->container instanceof Container && isset($this->container->getRemovedIds()[$controller])) {
118 throw new \LogicException(sprintf('Controller "%s" cannot be fetched from the container because it is private. Did you forget to tag the service with "controller.service_arguments"?', $controller), 0, $previous);
119 }
120 }
121 }
122