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<?php |
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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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namespace Kitodo\Dlf\Middleware; |
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use Kitodo\Dlf\Common\Solr\Solr; |
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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\Core\Environment; |
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use TYPO3\CMS\Core\Http\Response; |
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use TYPO3\CMS\Core\Information\Typo3Version; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* Search suggestions Middleware for plugin 'Search' of the 'dlf' extension |
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* |
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* @author Henrik Lochmann <[email protected]> |
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* @author Sebastian Meyer <[email protected]> |
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* @author Beatrycze Volk <[email protected]> |
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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 SearchSuggest implements MiddlewareInterface |
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{ |
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/** |
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* The process 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 |
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* @param RequestHandlerInterface $handler |
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* |
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* @return ResponseInterface XML response of search suggestions |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$response = $handler->handle($request); |
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// Get input parameters and decrypt core name. |
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$parameters = $request->getParsedBody(); |
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// Return if not this middleware |
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if (!isset($parameters['middleware']) || ($parameters['middleware'] != 'dlf/search-suggest')) { |
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return $response; |
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} |
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$output = []; |
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$solrCore = (string) $parameters['solrcore']; |
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$uHash = (string) $parameters['uHash']; |
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if (hash_equals(GeneralUtility::hmac((string) (new Typo3Version()) . Environment::getExtensionsPath(), 'SearchSuggest'), $uHash) === false) { |
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throw new \InvalidArgumentException('No valid parameter passed!', 1580585079); |
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} |
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// Perform Solr query. |
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$solr = Solr::getInstance($solrCore); |
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if ($solr->ready) { |
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$query = $solr->service->createSelect(); |
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$query->setHandler('suggest'); |
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$query->setQuery(Solr::escapeQuery((string) $parameters['q'])); |
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$query->setRows(0); |
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$results = $solr->service->select($query)->getResponse()->getBody(); |
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$result = json_decode($results); |
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if (is_iterable($result->spellcheck->suggestions)) { |
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foreach ($result->spellcheck->suggestions as $suggestions) { |
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if (is_object($suggestions)) { |
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foreach ($suggestions->suggestion as $suggestion) { |
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$output[] = $suggestion; |
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} |
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} |
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} |
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} |
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} |
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// Create response object. |
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/** @var Response $response */ |
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$response = GeneralUtility::makeInstance(Response::class); |
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$response->getBody()->write(json_encode($output)); |
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return $response; |
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} |
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} |
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kitodo /
kitodo-presentation
