| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | namespace AOE\Crawler\Middleware; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | /* | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * (c) 2020 AOE GmbH <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * This file is part of the TYPO3 Crawler Extension. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * It is free software; you can redistribute it and/or modify it under | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * the terms of the GNU General Public License, either version 2 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  * of the License, or any later version. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  * For the full copyright and license information, please read the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * LICENSE.txt file that was distributed with this source code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  * The TYPO3 project - inspiring people to share! | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | use AOE\Crawler\Converter\JsonCompatibilityConverter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | use AOE\Crawler\Domain\Repository\QueueRepository; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | use Psr\Http\Message\ResponseInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | use Psr\Http\Message\ServerRequestInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | use Psr\Http\Server\MiddlewareInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | use Psr\Http\Server\RequestHandlerInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | use TYPO3\CMS\Core\Context\Context; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | use TYPO3\CMS\Core\Context\UserAspect; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | use TYPO3\CMS\Core\Utility\GeneralUtility; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | use TYPO3\CMS\Core\Utility\VersionNumberUtility; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | use TYPO3\CMS\Extbase\Object\ObjectManager; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | use TYPO3\CMS\Frontend\Controller\ErrorController; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  * Evaluates HTTP headers and checks if Crawler should register itself. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | class FrontendUserAuthenticator implements MiddlewareInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     protected $headerName = 'X-T3CRAWLER'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * @var Context | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     protected $context; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * @var QueueRepository | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     protected $queueRepository; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  |     public function __construct(?Context $context = null) | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 57 |  |  |         $this->context = $context ?? GeneralUtility::makeInstance(Context::class); | 
            
                                                                        
                            
            
                                    
            
            
                | 58 |  |  |         $this->queueRepository = GeneralUtility::makeInstance(ObjectManager::class)->get(QueueRepository::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * @throws \TYPO3\CMS\Core\Context\Exception\AspectNotFoundException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * @throws \TYPO3\CMS\Core\Error\Http\ServiceUnavailableException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |     public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         /** @var JsonCompatibilityConverter $jsonCompatibilityConverter */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         $jsonCompatibilityConverter = GeneralUtility::makeInstance(JsonCompatibilityConverter::class); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         $crawlerInformation = $request->getHeaderLine($this->headerName) ?? null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |         if (empty($crawlerInformation)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |             return $handler->handle($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         // Authenticate crawler request: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |         //@todo: ask service to exclude current call for special reasons: for example no relevance because the language version is not affected | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |         [$queueId, $hash] = explode(':', $crawlerInformation); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |         $queueRec = $this->queueRepository->findByQueueId($queueId); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |         // If a crawler record was found and hash was matching, set it up | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         if (! $this->isRequestHashMatchingQueueRecord($queueRec, $hash)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |             return GeneralUtility::makeInstance(ErrorController::class)->unavailableAction($request, 'No crawler entry found'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |         $queueParameters = $jsonCompatibilityConverter->convert($queueRec['parameters']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |         $request = $request->withAttribute('tx_crawler', $queueParameters); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         // Now ensure to set the proper user groups | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |         $grList = $queueParameters['feUserGroupList']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |         if ($grList) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |             $frontendUser = $this->getFrontendUser($grList, $request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |             // we have to set the fe user group to the user aspect since indexed_search only reads the user aspect | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |             // to get the groups. otherwise groups are ignored during indexing. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |             // we need to add the groups 0, and -2 too, like the getGroupIds getter does. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |             $this->context->setAspect( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |                 'frontend.user', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |                 GeneralUtility::makeInstance( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |                     UserAspect::class, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |                     $frontendUser, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |                     explode(',', '0,-2,' . $grList) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |                 ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |             ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |         return $handler->handle($request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 | 3 |  |     protected function isRequestHashMatchingQueueRecord(?array $queueRec, string $hash): bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 | 3 |  |         return is_array($queueRec) && hash_equals($hash, md5($queueRec['qid'] . '|' . $queueRec['set_id'] . '|' . $GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey'])); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |      * @return mixed|string|\TYPO3\CMS\Frontend\Authentication\FrontendUserAuthentication | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |     private function getFrontendUser(string $grList, ServerRequestInterface $request) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |         $currentTYPO3VersionAsInteger = VersionNumberUtility::convertVersionNumberToInteger(VersionNumberUtility::getNumericTypo3Version()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |         if ($currentTYPO3VersionAsInteger < 10000000) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |             $frontendUser = $GLOBALS['TSFE']->fe_user; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |             $frontendUser->user[$frontendUser->usergroup_column] = $grList; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |             $frontendUser = $request->getAttribute('frontend.user'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |             $frontendUser->user[$frontendUser->usergroup_column] = '0,-2,' . $grList; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |             $frontendUser->user['uid'] = PHP_INT_MAX; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |         return $frontendUser; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 131 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 132 |  |  |  |