wcfsetup/install/files/lib/system/request/route/LookupRequestRoute.class.php

   1 <?php
   2
   3 namespace wcf\system\request\route;
   4
   5 use wcf\system\application\ApplicationHandler;
   6 use wcf\system\request\ControllerMap;
   7 use wcf\util\FileUtil;
   8
   9 /**
  10  * Attempts to resolve arbitrary request URLs against the list of known custom
  11  * controller URLs, optionally recognizing id and title parameter.
  12  *
  13  * @author  Alexander Ebert
  14  * @copyright   2001-2019 WoltLab GmbH
  15  * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  16  * @package WoltLabSuite\Core\System\Request
  17  * @since   3.0
  18  */
  19 class LookupRequestRoute implements IRequestRoute
  20 {
  21     /**
  22      * list of parsed route information
  23      * @var array
  24      */
  25     protected $routeData = [];
  26
  27     /**
  28      * @inheritDoc
  29      */
  30     public function matches($requestURL)
  31     {
  32         $requestURL = FileUtil::removeLeadingSlash($requestURL);
  33
  34         if ($requestURL === '') {
  35             // ignore empty urls and let them be handled by regular routes
  36             return false;
  37         }
  38
  39         $regex = '~^
  40                         (?P<controller>.+?)
  41                         (?:
  42                                 /
  43                                 (?P<id>[0-9]+)
  44                                 (?:
  45                                         -
  46                                         (?P<title>[^/]+)
  47                                 )?
  48                                 /?
  49                         )?
  50                 $~x';
  51
  52         if (\preg_match($regex, $requestURL, $matches)) {
  53             $application = ApplicationHandler::getInstance()->getActiveApplication()->getAbbreviation();
  54             if (!empty($matches['id'])) {
  55                 // check for static controller URLs
  56                 $this->routeData = ControllerMap::getInstance()->resolveCustomController(
  57                     $application,
  58                     FileUtil::removeTrailingSlash($matches['controller'])
  59                 );
  60
  61                 // lookup WCF controllers unless initial request targeted WCF itself
  62                 if (empty($this->routeData) && $application !== 'wcf') {
  63                     $this->routeData = ControllerMap::getInstance()->resolveCustomController(
  64                         'wcf',
  65                         FileUtil::removeTrailingSlash($matches['controller'])
  66                     );
  67                 }
  68
  69                 if (!empty($this->routeData)) {
  70                     if (!empty($matches['id'])) {
  71                         $this->routeData['id'] = $matches['id'];
  72
  73                         if (!empty($matches['title'])) {
  74                             $this->routeData['title'] = $matches['title'];
  75                         }
  76                     }
  77                 }
  78             }
  79
  80             if (empty($this->routeData)) {
  81                 // try to match the entire url
  82                 $this->routeData = ControllerMap::getInstance()->resolveCustomController(
  83                     $application,
  84                     FileUtil::removeTrailingSlash($requestURL)
  85                 );
  86
  87                 // lookup WCF controllers unless initial request targeted WCF itself
  88                 if (empty($this->routeData) && $application !== 'wcf') {
  89                     $this->routeData = ControllerMap::getInstance()->resolveCustomController(
  90                         'wcf',
  91                         FileUtil::removeTrailingSlash($requestURL)
  92                     );
  93                 }
  94             }
  95         }
  96
  97         if (!empty($this->routeData)) {
  98             $this->routeData['isDefaultController'] = false;
  99
 100             return true;
 101         }
 102
 103         return false;
 104     }
 105
 106     /**
 107      * @inheritDoc
 108      */
 109     public function getRouteData()
 110     {
 111         return $this->routeData;
 112     }
 113
 114     /**
 115      * @inheritDoc
 116      */
 117     public function setIsACP($isACP)
 118     {
 119         throw new \BadMethodCallException('lookups are not supported for ACP requests');
 120     }
 121
 122     /**
 123      * @inheritDoc
 124      * @throws  \BadMethodCallException
 125      */
 126     public function buildLink(array $components)
 127     {
 128         throw new \BadMethodCallException(
 129             'LookupRequestRoute cannot build links, please verify capabilities by calling canHandle() first.'
 130         );
 131     }
 132
 133     /**
 134      * @inheritDoc
 135      */
 136     public function canHandle(array $components)
 137     {
 138         // this route cannot build routes, it is a one-way resolver
 139         return false;
 140     }
 141
 142     /**
 143      * @inheritDoc
 144      */
 145     public function isACP()
 146     {
 147         // lookups are not supported for ACP requests
 148         return false;
 149     }
 150 }