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<?php |
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declare(strict_types=1); |
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namespace AOE\Crawler\Middleware; |
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/* |
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* (c) 2020 AOE GmbH <[email protected]> |
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* |
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* This file is part of the TYPO3 Crawler Extension. |
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* |
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* It is free software; you can redistribute it and/or modify it under |
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* the terms of the GNU General Public License, either version 2 |
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* of the License, or any later version. |
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* |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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* |
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* The TYPO3 project - inspiring people to share! |
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*/ |
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use AOE\Crawler\Converter\JsonCompatibilityConverter; |
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use AOE\Crawler\Domain\Repository\QueueRepository; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use TYPO3\CMS\Core\Context\Context; |
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use TYPO3\CMS\Core\Context\UserAspect; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Core\Utility\VersionNumberUtility; |
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use TYPO3\CMS\Extbase\Object\ObjectManager; |
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use TYPO3\CMS\Frontend\Controller\ErrorController; |
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/** |
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* Evaluates HTTP headers and checks if Crawler should register itself. |
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*/ |
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class FrontendUserAuthenticator implements MiddlewareInterface |
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{ |
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/** |
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* @var string |
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*/ |
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protected $headerName = 'X-T3CRAWLER'; |
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/** |
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* @var Context |
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*/ |
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protected $context; |
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/** |
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* @var QueueRepository |
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*/ |
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protected $queueRepository; |
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public function __construct(?Context $context = null) |
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{ |
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$this->context = $context ?? GeneralUtility::makeInstance(Context::class); |
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$this->queueRepository = GeneralUtility::makeInstance(ObjectManager::class)->get(QueueRepository::class); |
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} |
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/** |
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* @throws \TYPO3\CMS\Core\Context\Exception\AspectNotFoundException |
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* @throws \TYPO3\CMS\Core\Error\Http\ServiceUnavailableException |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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/** @var JsonCompatibilityConverter $jsonCompatibilityConverter */ |
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$jsonCompatibilityConverter = GeneralUtility::makeInstance(JsonCompatibilityConverter::class); |
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$crawlerInformation = $request->getHeaderLine($this->headerName) ?? null; |
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if (empty($crawlerInformation)) { |
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return $handler->handle($request); |
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} |
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// Authenticate crawler request: |
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//@todo: ask service to exclude current call for special reasons: for example no relevance because the language version is not affected |
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[$queueId, $hash] = explode(':', $crawlerInformation); |
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$queueRec = $this->queueRepository->findByQueueId($queueId); |
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// If a crawler record was found and hash was matching, set it up |
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if (! $this->isRequestHashMatchingQueueRecord($queueRec, $hash)) { |
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return GeneralUtility::makeInstance(ErrorController::class)->unavailableAction($request, 'No crawler entry found'); |
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} |
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$queueParameters = $jsonCompatibilityConverter->convert($queueRec['parameters']); |
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$request = $request->withAttribute('tx_crawler', $queueParameters); |
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// Now ensure to set the proper user groups |
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$grList = $queueParameters['feUserGroupList']; |
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if ($grList) { |
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$frontendUser = $this->getFrontendUser($grList, $request); |
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// we have to set the fe user group to the user aspect since indexed_search only reads the user aspect |
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// to get the groups. otherwise groups are ignored during indexing. |
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// we need to add the groups 0, and -2 too, like the getGroupIds getter does. |
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$this->context->setAspect( |
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'frontend.user', |
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GeneralUtility::makeInstance( |
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UserAspect::class, |
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$frontendUser, |
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explode(',', '0,-2,' . $grList) |
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) |
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); |
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} |
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return $handler->handle($request); |
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} |
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protected function isRequestHashMatchingQueueRecord(?array $queueRec, string $hash): bool |
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{ |
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return is_array($queueRec) && hash_equals($hash, md5($queueRec['qid'] . '|' . $queueRec['set_id'] . '|' . $GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey'])); |
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} |
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/** |
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* @return mixed|string|\TYPO3\CMS\Frontend\Authentication\FrontendUserAuthentication |
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*/ |
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private function getFrontendUser(string $grList, ServerRequestInterface $request) |
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{ |
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$currentTYPO3VersionAsInteger = VersionNumberUtility::convertVersionNumberToInteger(VersionNumberUtility::getNumericTypo3Version()); |
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if ($currentTYPO3VersionAsInteger < 10000000) { |
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$frontendUser = $GLOBALS['TSFE']->fe_user; |
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$frontendUser->user[$frontendUser->usergroup_column] = $grList; |
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} else { |
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$frontendUser = $request->getAttribute('frontend.user'); |
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$frontendUser->user[$frontendUser->usergroup_column] = '0,-2,' . $grList; |
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$frontendUser->user['uid'] = PHP_INT_MAX; |
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} |
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return $frontendUser; |
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} |
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} |
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AOEpeople /
crawler
