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<?php |
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declare(strict_types=1); |
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namespace ApacheSolrForTypo3\Tika\Controller\Backend; |
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/* |
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* This file is part of the TYPO3 CMS project. |
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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 ApacheSolrForTypo3\Tika\Service\Tika\AbstractService; |
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use ApacheSolrForTypo3\Tika\Service\Tika\AppService; |
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use ApacheSolrForTypo3\Tika\Service\Tika\ServerService; |
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use ApacheSolrForTypo3\Tika\Service\Tika\ServiceFactory; |
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use ApacheSolrForTypo3\Tika\Service\Tika\SolrCellService; |
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use Psr\Http\Client\ClientExceptionInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Throwable; |
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use TYPO3\CMS\Core\Http\HtmlResponse; |
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use TYPO3\CMS\Core\Http\Response; |
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use TYPO3\CMS\Core\Resource\ResourceFactory; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Fluid\View\StandaloneView; |
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/** |
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* Class PreviewController |
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*/ |
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class PreviewController |
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{ |
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/** |
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* @param ServerRequestInterface $request |
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* @return string|Response |
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* @throws ClientExceptionInterface |
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* @throws Throwable |
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*/ |
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public function previewAction(ServerRequestInterface $request): ResponseInterface |
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{ |
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$response = new HtmlResponse(''); |
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if (!$this->getIsAdmin()) { |
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$messageText = 'Only admins can see the tika preview'; |
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$response->getBody()->write($messageText); |
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return $response->withStatus(403, $messageText); |
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} |
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$identifier = (string)$request->getQueryParams()['identifier']; |
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$file = $this->getFileResourceFactory()->getFileObjectFromCombinedIdentifier($identifier); |
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$tikaService = $this->getConfiguredTikaService(); |
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$metadata = $tikaService->extractMetaData( |
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/** @scrutinizer ignore-type because checked in {@link \ApacheSolrForTypo3\Tika\ContextMenu\Preview::canHandle()} */ |
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$file |
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); |
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$content = $tikaService->extractText( |
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/** @scrutinizer ignore-type because checked in {@link \ApacheSolrForTypo3\Tika\ContextMenu\Preview::canHandle()} */ |
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$file |
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); |
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try { |
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$language = $tikaService->detectLanguageFromFile( |
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/** @scrutinizer ignore-type because checked in {@link \ApacheSolrForTypo3\Tika\ContextMenu\Preview::canHandle()} */ |
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$file |
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); |
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} catch (Throwable $e) { |
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$language = 'not detectable'; |
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} |
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$view = $this->getInitializedPreviewView(); |
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$view->assign('metadata', $metadata); |
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$view->assign('content', $content); |
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$view->assign('language', $language); |
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$response->getBody()->write($view->render() ?? ''); |
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return $response; |
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} |
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/** |
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* @return AppService|ServerService|SolrCellService |
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*/ |
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protected function getConfiguredTikaService(): AbstractService |
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{ |
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return ServiceFactory::getConfiguredTika(); |
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} |
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/** |
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* @return ResourceFactory |
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* @noinspection PhpIncompatibleReturnTypeInspection |
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*/ |
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protected function getFileResourceFactory(): ResourceFactory |
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{ |
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return GeneralUtility::makeInstance(ResourceFactory::class); |
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} |
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/** |
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* @return StandaloneView |
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*/ |
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protected function getInitializedPreviewView(): StandaloneView |
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{ |
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/** @var $view StandaloneView */ |
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$view = GeneralUtility::makeInstance(StandaloneView::class); |
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$view->getRequest()->setControllerExtensionName('tika'); |
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$templatePathAndFile = 'EXT:tika/Resources/Private/Templates/Backend/Preview.html'; |
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$view->setTemplatePathAndFilename(GeneralUtility::getFileAbsFileName($templatePathAndFile)); |
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return $view; |
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} |
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/** |
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* @return bool |
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*/ |
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protected function getIsAdmin(): bool |
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{ |
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return !empty($GLOBALS['BE_USER']) && $GLOBALS['BE_USER']->isAdmin(); |
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} |
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} |
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TYPO3-Solr /
ext-tika
