68 lines
2.2 KiB
PHP
68 lines
2.2 KiB
PHP
<?php
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declare(strict_types=1);
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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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namespace TYPO3\CMS\Frontend\Utility;
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use Psr\Http\Message\ServerRequestInterface;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Core\Utility\HttpUtility;
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use TYPO3\CMS\Frontend\Page\CacheHashCalculator;
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class CanonicalizationUtility
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{
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/**
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* Get all params that are not needed to determine a canonicalized URL
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*
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* The format of the additionalCanonicalizedUrlParameters is:
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* $parameters = [
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* 'foo',
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* 'bar',
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* 'foo[bar]'
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* ]
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*
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* @param int $pageId Id of the page you want to get the excluded params
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* @param array $additionalCanonicalizedUrlParameters Which GET-params should stay besides the params used for cHash calculation
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*/
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public static function getParamsToExcludeForCanonicalizedUrl(int $pageId, array $additionalCanonicalizedUrlParameters = [], ?ServerRequestInterface $request = null): array
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{
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$cacheHashCalculator = GeneralUtility::makeInstance(CacheHashCalculator::class);
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$request = $request ?? $GLOBALS['TYPO3_REQUEST'] ?? null;
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if ($request instanceof ServerRequestInterface) {
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$GET = $request->getQueryParams();
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} else {
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$GET = [];
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}
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$GET['id'] = $pageId;
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$queryString = HttpUtility::buildQueryString($GET, '&');
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$cHashArray = $cacheHashCalculator->getRelevantParameters($queryString);
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// By exploding the earlier imploded array, we get the flat array with URL params
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$urlParameters = GeneralUtility::explodeUrl2Array($queryString);
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$paramsToExclude = array_keys(
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array_diff_assoc(
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$urlParameters,
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$cHashArray
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)
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);
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return array_diff($paramsToExclude, $additionalCanonicalizedUrlParameters);
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}
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}
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