Mercurial > hg > isophonics-drupal-site
view vendor/psy/psysh/src/CodeCleaner/FinalClassPass.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 | |
children | 129ea1e6d783 |
line wrap: on
line source
<?php /* * This file is part of Psy Shell. * * (c) 2012-2018 Justin Hileman * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Psy\CodeCleaner; use PhpParser\Node; use PhpParser\Node\Stmt\Class_; use Psy\Exception\FatalErrorException; /** * The final class pass handles final classes. */ class FinalClassPass extends CodeCleanerPass { private $finalClasses; /** * @param array $nodes */ public function beforeTraverse(array $nodes) { $this->finalClasses = []; } /** * @throws RuntimeException if the node is a class that extends a final class * * @param Node $node */ public function enterNode(Node $node) { if ($node instanceof Class_) { if ($node->extends) { $extends = (string) $node->extends; if ($this->isFinalClass($extends)) { $msg = sprintf('Class %s may not inherit from final class (%s)', $node->name, $extends); throw new FatalErrorException($msg, 0, E_ERROR, null, $node->getLine()); } } if ($node->isFinal()) { $this->finalClasses[strtolower($node->name)] = true; } } } /** * @param string $name Class name * * @return bool */ private function isFinalClass($name) { if (!class_exists($name)) { return isset($this->finalClasses[strtolower($name)]); } $refl = new \ReflectionClass($name); return $refl->isFinal(); } }