Mercurial > hg > isophonics-drupal-site
view vendor/symfony/dependency-injection/Compiler/CheckReferenceValidityPass.php @ 13:5fb285c0d0e3
Update Drupal core to 8.4.7 via Composer. Security update; I *think* we've
been lucky to get away with this so far, as we don't support self-registration
which seems to be used by the so-called "drupalgeddon 2" attack that 8.4.5
was vulnerable to.
author | Chris Cannam |
---|---|
date | Mon, 23 Apr 2018 09:33:26 +0100 |
parents | 4c8ae668cc8c |
children | 1fec387a4317 |
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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\DependencyInjection\Compiler; use Symfony\Component\DependencyInjection\Definition; use Symfony\Component\DependencyInjection\Reference; use Symfony\Component\DependencyInjection\ContainerBuilder; use Symfony\Component\DependencyInjection\Exception\RuntimeException; /** * Checks the validity of references. * * The following checks are performed by this pass: * - target definitions are not abstract * * @author Johannes M. Schmitt <schmittjoh@gmail.com> */ class CheckReferenceValidityPass implements CompilerPassInterface { private $container; private $currentId; /** * Processes the ContainerBuilder to validate References. * * @param ContainerBuilder $container */ public function process(ContainerBuilder $container) { $this->container = $container; foreach ($container->getDefinitions() as $id => $definition) { if ($definition->isSynthetic() || $definition->isAbstract()) { continue; } $this->currentId = $id; $this->validateReferences($definition->getArguments()); $this->validateReferences($definition->getMethodCalls()); $this->validateReferences($definition->getProperties()); } } /** * Validates an array of References. * * @param array $arguments An array of Reference objects * * @throws RuntimeException when there is a reference to an abstract definition. */ private function validateReferences(array $arguments) { foreach ($arguments as $argument) { if (is_array($argument)) { $this->validateReferences($argument); } elseif ($argument instanceof Reference) { $targetDefinition = $this->getDefinition((string) $argument); if (null !== $targetDefinition && $targetDefinition->isAbstract()) { throw new RuntimeException(sprintf( 'The definition "%s" has a reference to an abstract definition "%s". ' .'Abstract definitions cannot be the target of references.', $this->currentId, $argument )); } } } } /** * Returns the Definition given an id. * * @param string $id Definition identifier * * @return Definition */ private function getDefinition($id) { if (!$this->container->hasDefinition($id)) { return; } return $this->container->getDefinition($id); } }