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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 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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/** |
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* Evaluates HTTP headers and checks if Crawler should register itself. |
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* Needs to be run after TSFE initialization AND Frontend User Authentication. |
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* |
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* Once done, the queue is fetched, and then the frontend request runs through. |
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* |
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* Finally, at the very end, if the crawler is still running, output the data and replace the response. |
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*/ |
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class CrawlerInitialization implements MiddlewareInterface |
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{ |
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/** |
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* @param ServerRequestInterface $request |
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* @param RequestHandlerInterface $handler |
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* @return ResponseInterface |
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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 $handler): ResponseInterface |
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{ |
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$queueParameters = $request->getAttribute('tx_crawler'); |
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if ($queueParameters === null) { |
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return $handler->handle($request); |
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} |
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$GLOBALS['TSFE']->applicationData['tx_crawler']['running'] = true; |
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$GLOBALS['TSFE']->applicationData['tx_crawler']['parameters'] = $queueParameters; |
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$GLOBALS['TSFE']->applicationData['tx_crawler']['log'] = []; |
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$GLOBALS['TSFE']->applicationData['tx_crawler']['log'] = [ |
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'User Groups: ' . $queueParameters['feUserGroupList'], |
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]; |
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// Execute the frontend request as is |
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$handler->handle($request); |
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$GLOBALS['TSFE']->applicationData['tx_crawler']['vars'] = [ |
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'id' => $GLOBALS['TSFE']->id, |
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'gr_list' => implode(',', $this->context->getAspect('frontend.user')->getGroupIds()), |
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'no_cache' => $GLOBALS['TSFE']->no_cache, |
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]; |
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$this->runPollSuccessHooks(); |
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// Output log data for crawler (serialized content): |
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$content = serialize($GLOBALS['TSFE']->applicationData['tx_crawler']); |
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$response = new Response(); |
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$response->getBody()->write($content); |
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return $response; |
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} |
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/** |
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* Required because some extensions (staticpub) might never be requested to run due to some Core side effects |
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* and since this is considered as error the crawler should handle it properly |
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*/ |
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protected function runPollSuccessHooks(): void |
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{ |
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if (!is_array($GLOBALS['TSFE']->applicationData['tx_crawler']['content']['parameters']['procInstructions'])) { |
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return; |
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} |
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foreach ($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['crawler']['pollSuccess'] ?? [] as $pollable) { |
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if (in_array($pollable, $GLOBALS['TSFE']->applicationData['tx_crawler']['content']['parameters']['procInstructions'])) { |
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if (empty($GLOBALS['TSFE']->applicationData['tx_crawler']['success'][$pollable])) { |
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$GLOBALS['TSFE']->applicationData['tx_crawler']['errorlog'][] = 'Error: Pollable extension (' . $pollable . ') did not complete successfully.'; |
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} |
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} |
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} |
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} |
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} |
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AOEpeople /
crawler
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