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<?php |
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namespace Kitodo\Dlf\Middleware; |
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/** |
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* (c) Kitodo. Key to digital objects e.V. <[email protected]> |
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* |
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* This file is part of the Kitodo and TYPO3 projects. |
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* |
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* @license GNU General Public License version 3 or later. |
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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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use DOMDocument; |
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use InvalidArgumentException; |
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use Kitodo\Dlf\Validation\DOMDocumentValidationStack; |
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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 Psr\Log\LoggerAwareTrait; |
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use TYPO3\CMS\Core\Http\ResponseFactory; |
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use TYPO3\CMS\Core\Log\LogManager; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Extbase\Configuration\ConfigurationManagerInterface; |
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use TYPO3\CMS\Extbase\Error\Result; |
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/** |
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* Middleware for validation of DOMDocuments. |
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* |
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* @package TYPO3 |
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* @subpackage dlf |
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* @access public |
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*/ |
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class DOMDocumentValidation implements MiddlewareInterface |
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{ |
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use LoggerAwareTrait; |
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/** |
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* The main method of the middleware. |
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* |
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* @access public |
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* |
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* @param ServerRequestInterface $request for processing |
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* @param RequestHandlerInterface $handler for processing |
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* |
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* @throws InvalidArgumentException |
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* |
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* @return ResponseInterface |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$this->logger = GeneralUtility::makeInstance(LogManager::class)->getLogger(static::class); |
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$response = $handler->handle($request); |
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// parameters are sent by POST --> use getParsedBody() instead of getQueryParams() |
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$parameters = $request->getQueryParams(); |
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// Return if not this middleware |
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if (!isset($parameters['middleware']) || ($parameters['middleware'] != 'dlf/domDocumentValidation')) { |
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return $response; |
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} |
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$urlParam = $parameters['url']; |
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if (!isset($urlParam)) { |
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throw new InvalidArgumentException('URL parameter is missing.', 1724334674); |
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} |
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/** @var ConfigurationManagerInterface $configurationManager */ |
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$configurationManager = GeneralUtility::makeInstance(ConfigurationManagerInterface::class); |
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$settings = $configurationManager->getConfiguration(ConfigurationManagerInterface::CONFIGURATION_TYPE_SETTINGS); |
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if (!array_key_exists("domDocumentValidationValidators", $settings)) { |
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$this->logger->error('DOMDocumentValidation is not configured correctly.'); |
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throw new InvalidArgumentException('DOMDocumentValidation is not configured correctly.', 1724335601); |
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} |
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$validation = GeneralUtility::makeInstance(DOMDocumentValidationStack::class, $settings['domDocumentValidationValidators']); |
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if (!GeneralUtility::isValidUrl($urlParam)) { |
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$this->logger->debug('Parameter "' . $urlParam . '" is not a valid url.'); |
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throw new InvalidArgumentException('Value of url parameter is not a valid url.', 1724852611); |
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} |
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$content = GeneralUtility::getUrl($urlParam); |
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if ($content === false) { |
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$this->logger->debug('Error while loading content of "' . $urlParam . '"'); |
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throw new InvalidArgumentException('Error while loading content of url.', 1724420640); |
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} |
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$document = new DOMDocument(); |
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if ($document->loadXML($content) === false) { |
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$this->logger->debug('Error converting content of "' . $urlParam . '" to xml.'); |
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throw new InvalidArgumentException('Error converting content to xml.', 1724420648); |
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} |
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$result = $validation->validate($document); |
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return $this->getJsonResponse($result); |
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} |
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protected function getJsonResponse(Result $result): ResponseInterface |
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{ |
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$resultContent = ["valid" => !$result->hasErrors()]; |
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foreach ($result->getErrors() as $error) { |
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$resultContent["results"][$error->getTitle()][] = $error->getMessage(); |
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} |
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/** @var ResponseFactory $responseFactory */ |
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$responseFactory = GeneralUtility::makeInstance(ResponseFactory::class); |
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$response = $responseFactory->createResponse() |
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->withHeader('Content-Type', 'application/json; charset=utf-8'); |
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$response->getBody()->write(json_encode($resultContent)); |
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return $response; |
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} |
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} |
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kitodo /
kitodo-presentation
