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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\Routing\Matcher;
  13  
  14  use Symfony\Component\Routing\Exception\ResourceNotFoundException;
  15  use Symfony\Component\Routing\Route;
  16  
  17  /**
  18   * @author Fabien Potencier <fabien@symfony.com>
  19   */
  20  abstract class RedirectableUrlMatcher extends UrlMatcher implements RedirectableUrlMatcherInterface
  21  {
  22      /**
  23       * {@inheritdoc}
  24       */
  25      public function match($pathinfo)
  26      {
  27          try {
  28              $parameters = parent::match($pathinfo);
  29          } catch (ResourceNotFoundException $e) {
  30              if ('/' === substr($pathinfo, -1) || !\in_array($this->context->getMethod(), ['HEAD', 'GET'])) {
  31                  throw $e;
  32              }
  33  
  34              try {
  35                  $parameters = parent::match($pathinfo.'/');
  36  
  37                  return array_replace($parameters, $this->redirect($pathinfo.'/', isset($parameters['_route']) ? $parameters['_route'] : null));
  38              } catch (ResourceNotFoundException $e2) {
  39                  throw $e;
  40              }
  41          }
  42  
  43          return $parameters;
  44      }
  45  
  46      /**
  47       * {@inheritdoc}
  48       */
  49      protected function handleRouteRequirements($pathinfo, $name, Route $route)
  50      {
  51          // expression condition
  52          if ($route->getCondition() && !$this->getExpressionLanguage()->evaluate($route->getCondition(), ['context' => $this->context, 'request' => $this->request ?: $this->createRequest($pathinfo)])) {
  53              return [self::REQUIREMENT_MISMATCH, null];
  54          }
  55  
  56          // check HTTP scheme requirement
  57          $scheme = $this->context->getScheme();
  58          $schemes = $route->getSchemes();
  59          if ($schemes && !$route->hasScheme($scheme)) {
  60              return [self::ROUTE_MATCH, $this->redirect($pathinfo, $name, current($schemes))];
  61          }
  62  
  63          return [self::REQUIREMENT_MATCH, null];
  64      }
  65  }