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- <?php
- namespace Drupal\Core\PathProcessor;
- use Drupal\Core\Path\AliasManagerInterface;
- use Drupal\Core\Render\BubbleableMetadata;
- use Symfony\Component\HttpFoundation\Request;
- /**
- * Processes the inbound path using path alias lookups.
- */
- class PathProcessorAlias implements InboundPathProcessorInterface, OutboundPathProcessorInterface {
- /**
- * An alias manager for looking up the system path.
- *
- * @var \Drupal\Core\Path\AliasManagerInterface
- */
- protected $aliasManager;
- /**
- * Constructs a PathProcessorAlias object.
- *
- * @param \Drupal\Core\Path\AliasManagerInterface $alias_manager
- * An alias manager for looking up the system path.
- */
- public function __construct(AliasManagerInterface $alias_manager) {
- $this->aliasManager = $alias_manager;
- }
- /**
- * {@inheritdoc}
- */
- public function processInbound($path, Request $request) {
- $path = $this->aliasManager->getPathByAlias($path);
- return $path;
- }
- /**
- * {@inheritdoc}
- */
- public function processOutbound($path, &$options = [], Request $request = NULL, BubbleableMetadata $bubbleable_metadata = NULL) {
- if (empty($options['alias'])) {
- $langcode = isset($options['language']) ? $options['language']->getId() : NULL;
- $path = $this->aliasManager->getAliasByPath($path, $langcode);
- // Ensure the resulting path has at most one leading slash, to prevent it
- // becoming an external URL without a protocol like //example.com. This
- // is done in \Drupal\Core\Routing\UrlGenerator::generateFromRoute()
- // also, to protect against this problem in arbitrary path processors,
- // but it is duplicated here to protect any other URL generation code
- // that might call this method separately.
- if (strpos($path, '//') === 0) {
- $path = '/' . ltrim($path, '/');
- }
- }
- return $path;
- }
- }
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