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<?php |
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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\Linkvalidator; |
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use Psr\EventDispatcher\EventDispatcherInterface; |
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use TYPO3\CMS\Backend\Utility\BackendUtility; |
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use TYPO3\CMS\Core\Database\Connection; |
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use TYPO3\CMS\Core\Database\ConnectionPool; |
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use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction; |
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use TYPO3\CMS\Core\Database\Query\Restriction\HiddenRestriction; |
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use TYPO3\CMS\Core\Html\HtmlParser; |
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use TYPO3\CMS\Core\Localization\LanguageService; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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use TYPO3\CMS\Linkvalidator\Event\BeforeRecordIsAnalyzedEvent; |
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use TYPO3\CMS\Linkvalidator\Linktype\AbstractLinktype; |
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use TYPO3\CMS\Linkvalidator\Repository\BrokenLinkRepository; |
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/** |
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* This class provides Processing plugin implementation |
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* @internal |
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*/ |
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class LinkAnalyzer |
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{ |
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/** |
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* Array of tables and fields to search for broken links |
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* |
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* @var array<string, array<int, string>> |
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*/ |
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protected $searchFields = []; |
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/** |
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* List of page uids (rootline downwards) |
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* |
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* @var array |
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*/ |
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protected $pids = []; |
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/** |
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* Array of tables and the number of external links they contain |
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* |
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* @var array |
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*/ |
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protected $linkCounts = []; |
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/** |
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* Array of tables and the number of broken external links they contain |
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* |
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* @var array |
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*/ |
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protected $brokenLinkCounts = []; |
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/** |
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* Array for hooks for own checks |
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* |
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* @var Linktype\AbstractLinktype[] |
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*/ |
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protected $hookObjectsArr = []; |
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/** |
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* The currently active TSconfig. Will be passed to the init function. |
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* |
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* @var array |
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*/ |
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protected $tsConfig = []; |
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/** |
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* @var EventDispatcherInterface |
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*/ |
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protected $eventDispatcher; |
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/** |
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* @var BrokenLinkRepository |
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*/ |
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protected $brokenLinkRepository; |
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public function __construct(EventDispatcherInterface $eventDispatcher, BrokenLinkRepository $brokenLinkRepository) |
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{ |
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$this->eventDispatcher = $eventDispatcher; |
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$this->brokenLinkRepository = $brokenLinkRepository; |
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$this->getLanguageService()->includeLLFile('EXT:linkvalidator/Resources/Private/Language/Module/locallang.xlf'); |
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} |
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/** |
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* Store all the needed configuration values in class variables |
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* |
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* @param array $searchFields List of fields in which to search for links |
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* @param string|array $pidList List of comma separated page uids in which to search for links, can be an array too |
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* @param array $tsConfig The currently active TSconfig. |
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*/ |
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public function init(array $searchFields, $pidList, $tsConfig) |
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{ |
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$this->searchFields = $searchFields; |
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$this->pids = is_array($pidList) ? $pidList : GeneralUtility::intExplode(',', $pidList, true); |
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$this->tsConfig = $tsConfig; |
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// Hook to handle own checks |
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foreach ($GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['linkvalidator']['checkLinks'] ?? [] as $key => $className) { |
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$this->hookObjectsArr[$key] = GeneralUtility::makeInstance($className); |
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$options = $tsConfig['linktypesConfig.'][$key . '.'] ?? []; |
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// setAdditionalConfig might use global configuration, so still call it, even if options are empty |
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$this->hookObjectsArr[$key]->setAdditionalConfig($options); |
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} |
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} |
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/** |
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* Find all supported broken links and store them in tx_linkvalidator_link |
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* |
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* @param array $checkOptions List of hook object to activate |
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* @param bool $considerHidden Defines whether to look into hidden fields |
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*/ |
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public function getLinkStatistics($checkOptions = [], $considerHidden = false) |
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{ |
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$results = []; |
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if (empty($checkOptions) || empty($this->pids)) { |
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return; |
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} |
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$this->brokenLinkRepository->removeAllBrokenLinksOfRecordsOnPageIds( |
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$this->pids, |
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array_keys($checkOptions) |
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); |
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// Traverse all configured tables |
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foreach ($this->searchFields as $table => $fields) { |
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// If table is not configured, assume the extension is not installed |
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// and therefore no need to check it |
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if (!is_array($GLOBALS['TCA'][$table])) { |
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continue; |
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} |
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class) |
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->getQueryBuilderForTable($table); |
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if ($considerHidden) { |
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$queryBuilder->getRestrictions() |
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->removeAll() |
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->add(GeneralUtility::makeInstance(DeletedRestriction::class)); |
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} |
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// Re-init selectFields for table |
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$selectFields = array_merge(['uid', 'pid', $GLOBALS['TCA'][$table]['ctrl']['label']], $fields); |
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if ($GLOBALS['TCA'][$table]['ctrl']['languageField'] ?? false) { |
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$selectFields[] = $GLOBALS['TCA'][$table]['ctrl']['languageField']; |
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} |
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if ($GLOBALS['TCA'][$table]['ctrl']['type'] ?? false) { |
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if (isset($GLOBALS['TCA'][$table]['columns'][$GLOBALS['TCA'][$table]['ctrl']['type']])) { |
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$selectFields[] = $GLOBALS['TCA'][$table]['ctrl']['type']; |
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} |
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} |
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$result = $queryBuilder->select(...$selectFields) |
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->from($table) |
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->where( |
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$queryBuilder->expr()->in( |
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($table === 'pages' ? 'uid' : 'pid'), |
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$queryBuilder->createNamedParameter($this->pids, Connection::PARAM_INT_ARRAY) |
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) |
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) |
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->execute(); |
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// @todo #64091: only select rows that have content in at least one of the relevant fields (via OR) |
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while ($row = $result->fetch()) { |
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$this->analyzeRecord($results, $table, $fields, $row); |
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} |
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} |
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$this->checkLinks($results, $checkOptions); |
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} |
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protected function checkLinks(array $links, array $checkOptions) |
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{ |
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foreach ($this->hookObjectsArr as $key => $hookObj) { |
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if (!is_array($links[$key]) || (!empty($checkOptions) && !$checkOptions[$key])) { |
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continue; |
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} |
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// Check them |
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foreach ($links[$key] as $entryKey => $entryValue) { |
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$table = $entryValue['table']; |
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$record = []; |
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$record['headline'] = BackendUtility::getRecordTitle($table, $entryValue['row']); |
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$record['record_pid'] = $entryValue['row']['pid']; |
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$record['record_uid'] = $entryValue['uid']; |
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$record['table_name'] = $table; |
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$record['link_type'] = $key; |
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$record['link_title'] = $entryValue['link_title']; |
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$record['field'] = $entryValue['field']; |
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$record['last_check'] = time(); |
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$typeField = $GLOBALS['TCA'][$table]['ctrl']['type'] ?? false; |
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if ($entryValue['row'][$typeField] ?? false) { |
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$record['element_type'] = $entryValue['row'][$typeField]; |
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} |
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$languageField = $GLOBALS['TCA'][$table]['ctrl']['languageField'] ?? false; |
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if ($languageField && isset($entryValue['row'][$languageField])) { |
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$record['language'] = $entryValue['row'][$languageField]; |
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} else { |
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$record['language'] = -1; |
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} |
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if (!empty($entryValue['pageAndAnchor'] ?? '')) { |
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// Page with anchor, e.g. 18#1580 |
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$url = $entryValue['pageAndAnchor']; |
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} else { |
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$url = $entryValue['substr']['tokenValue']; |
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} |
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$record['url'] = $url; |
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$this->linkCounts[$table]++; |
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$checkUrl = $hookObj->checkLink($url, $entryValue, $this); |
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// Broken link found |
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if (!$checkUrl) { |
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$this->brokenLinkRepository->addBrokenLink($record, false, $hookObj->getErrorParams()); |
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$this->brokenLinkCounts[$table]++; |
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} elseif (GeneralUtility::_GP('showalllinks')) { |
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$this->brokenLinkRepository->addBrokenLink($record, true); |
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$this->brokenLinkCounts[$table]++; |
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} |
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} |
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} |
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} |
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/** |
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* Recheck for broken links for one field in table for record. |
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* |
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* @param array $checkOptions |
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* @param string $recordUid uid of record to check |
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* @param string $table |
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* @param string $field |
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* @param int $timestamp - only recheck if timestamp changed |
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* @param bool $considerHidden |
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*/ |
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public function recheckLinks( |
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array $checkOptions, |
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string $recordUid, |
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string $table, |
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string $field, |
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int $timestamp, |
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bool $considerHidden = true |
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): void { |
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// If table is not configured, assume the extension is not installed |
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// and therefore no need to check it |
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if (!is_array($GLOBALS['TCA'][$table])) { |
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return; |
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} |
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// get all links for $record / $table / $field combination |
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$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class) |
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->getQueryBuilderForTable($table); |
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if ($considerHidden) { |
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$queryBuilder->getRestrictions()->removeByType(HiddenRestriction::class); |
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} |
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$row = $queryBuilder->select('uid', 'pid', $GLOBALS['TCA'][$table]['ctrl']['label'], $field, 'tstamp') |
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->from($table) |
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->where( |
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$queryBuilder->expr()->eq( |
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'uid', |
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$queryBuilder->createNamedParameter($recordUid, Connection::PARAM_INT) |
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) |
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) |
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->execute() |
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->fetch(); |
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if (!$row) { |
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// missing record: remove existing links |
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$this->brokenLinkRepository->removeBrokenLinksForRecord($table, $recordUid); |
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return; |
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} |
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if (($row['tstamp'] ?? 0) && $timestamp && ((int)($row['tstamp']) < $timestamp)) { |
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// timestamp has not changed: no need to recheck |
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return; |
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} |
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$resultsLinks = []; |
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$this->analyzeRecord($resultsLinks, $table, [$field], $row); |
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if ($resultsLinks) { |
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// remove existing broken links from table |
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$this->brokenLinkRepository->removeBrokenLinksForRecord($table, $recordUid); |
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// find all broken links for list of links |
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$this->checkLinks($resultsLinks, $checkOptions); |
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} |
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} |
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/** |
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* Find all supported broken links for a specific record |
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* |
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* @param array $results Array of broken links |
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* @param string $table Table name of the record |
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* @param array $fields Array of fields to analyze |
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* @param array $record Record to analyze |
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*/ |
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public function analyzeRecord(array &$results, $table, array $fields, array $record) |
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{ |
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$event = new BeforeRecordIsAnalyzedEvent($table, $record, $fields, $this, $results); |
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$this->eventDispatcher->dispatch($event); |
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$results = $event->getResults(); |
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$record = $event->getRecord(); |
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// Put together content of all relevant fields |
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$htmlParser = GeneralUtility::makeInstance(HtmlParser::class); |
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$idRecord = $record['uid']; |
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// Get all references |
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foreach ($fields as $field) { |
|
314
|
|
|
$conf = $GLOBALS['TCA'][$table]['columns'][$field]['config']; |
|
315
|
|
|
$valueField = $record[$field]; |
|
316
|
|
|
|
|
317
|
|
|
// Check if a TCA configured field has soft references defined (see TYPO3 Core API document) |
|
318
|
|
|
if (!$conf['softref'] || (string)$valueField === '') { |
|
319
|
|
|
continue; |
|
320
|
|
|
} |
|
321
|
|
|
|
|
322
|
|
|
// Explode the list of soft references/parameters |
|
323
|
|
|
$softRefs = BackendUtility::explodeSoftRefParserList($conf['softref']); |
|
324
|
|
|
if ($softRefs === false) { |
|
325
|
|
|
continue; |
|
326
|
|
|
} |
|
327
|
|
|
|
|
328
|
|
|
// Traverse soft references |
|
329
|
|
|
foreach ($softRefs as $spKey => $spParams) { |
|
330
|
|
|
/** @var \TYPO3\CMS\Core\Database\SoftReferenceIndex $softRefObj */ |
|
331
|
|
|
$softRefObj = BackendUtility::softRefParserObj($spKey); |
|
332
|
|
|
|
|
333
|
|
|
// If there is an object returned... |
|
334
|
|
|
if (!is_object($softRefObj)) { |
|
335
|
|
|
continue; |
|
336
|
|
|
} |
|
337
|
|
|
$softRefParams = $spParams; |
|
338
|
|
|
if (!is_array($softRefParams)) { |
|
339
|
|
|
// set subst such that findRef will return substitutes for urls, emails etc |
|
340
|
|
|
$softRefParams = ['subst' => true]; |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
// Do processing |
|
344
|
|
|
$resultArray = $softRefObj->findRef($table, $field, $idRecord, $valueField, $spKey, $softRefParams); |
|
345
|
|
|
if (!is_array($resultArray) || !isset($resultArray['elements']) || !is_array($resultArray['elements'])) { |
|
346
|
|
|
continue; |
|
347
|
|
|
} |
|
348
|
|
|
|
|
349
|
|
|
if ($spKey === 'typolink_tag') { |
|
350
|
|
|
$this->analyzeTypoLinks($resultArray, $results, $htmlParser, $record, $field, $table); |
|
351
|
|
|
} else { |
|
352
|
|
|
$this->analyzeLinks($resultArray, $results, $record, $field, $table); |
|
353
|
|
|
} |
|
354
|
|
|
} |
|
355
|
|
|
} |
|
356
|
|
|
} |
|
357
|
|
|
|
|
358
|
|
|
/** |
|
359
|
|
|
* Find all supported broken links for a specific link list |
|
360
|
|
|
* |
|
361
|
|
|
* @param array $resultArray findRef parsed records |
|
362
|
|
|
* @param array $results Array of broken links |
|
363
|
|
|
* @param array $record UID of the current record |
|
364
|
|
|
* @param string $field The current field |
|
365
|
|
|
* @param string $table The current table |
|
366
|
|
|
*/ |
|
367
|
|
|
protected function analyzeLinks(array $resultArray, array &$results, array $record, $field, $table) |
|
368
|
|
|
{ |
|
369
|
|
|
foreach ($resultArray['elements'] as $element) { |
|
370
|
|
|
$r = $element['subst']; |
|
371
|
|
|
$type = ''; |
|
372
|
|
|
$idRecord = $record['uid']; |
|
373
|
|
|
if (empty($r)) { |
|
374
|
|
|
continue; |
|
375
|
|
|
} |
|
376
|
|
|
|
|
377
|
|
|
/** @var AbstractLinktype $hookObj */ |
|
378
|
|
|
foreach ($this->hookObjectsArr as $keyArr => $hookObj) { |
|
379
|
|
|
$type = $hookObj->fetchType($r, $type, $keyArr); |
|
380
|
|
|
// Store the type that was found |
|
381
|
|
|
// This prevents overriding by internal validator |
|
382
|
|
|
if (!empty($type)) { |
|
383
|
|
|
$r['type'] = $type; |
|
384
|
|
|
} |
|
385
|
|
|
} |
|
386
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $r['tokenID']]['substr'] = $r; |
|
387
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $r['tokenID']]['row'] = $record; |
|
388
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $r['tokenID']]['table'] = $table; |
|
389
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $r['tokenID']]['field'] = $field; |
|
390
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $r['tokenID']]['uid'] = $idRecord; |
|
391
|
|
|
} |
|
392
|
|
|
} |
|
393
|
|
|
|
|
394
|
|
|
/** |
|
395
|
|
|
* Find all supported broken links for a specific typoLink |
|
396
|
|
|
* |
|
397
|
|
|
* @param array $resultArray findRef parsed records |
|
398
|
|
|
* @param array $results Array of broken links |
|
399
|
|
|
* @param HtmlParser $htmlParser Instance of html parser |
|
400
|
|
|
* @param array $record The current record |
|
401
|
|
|
* @param string $field The current field |
|
402
|
|
|
* @param string $table The current table |
|
403
|
|
|
*/ |
|
404
|
|
|
protected function analyzeTypoLinks(array $resultArray, array &$results, $htmlParser, array $record, $field, $table) |
|
405
|
|
|
{ |
|
406
|
|
|
$currentR = []; |
|
407
|
|
|
$linkTags = $htmlParser->splitIntoBlock('a,link', $resultArray['content']); |
|
408
|
|
|
$idRecord = $record['uid']; |
|
409
|
|
|
$type = ''; |
|
410
|
|
|
$title = ''; |
|
411
|
|
|
$countLinkTags = count($linkTags); |
|
412
|
|
|
for ($i = 1; $i < $countLinkTags; $i += 2) { |
|
413
|
|
|
$referencedRecordType = ''; |
|
414
|
|
|
foreach ($resultArray['elements'] as $element) { |
|
415
|
|
|
$type = ''; |
|
416
|
|
|
$r = $element['subst']; |
|
417
|
|
|
if (empty($r['tokenID']) || substr_count($linkTags[$i], $r['tokenID']) === 0) { |
|
418
|
|
|
continue; |
|
419
|
|
|
} |
|
420
|
|
|
|
|
421
|
|
|
// Type of referenced record |
|
422
|
|
|
if (strpos($r['recordRef'], 'pages') !== false) { |
|
423
|
|
|
$currentR = $r; |
|
424
|
|
|
// Contains number of the page |
|
425
|
|
|
$referencedRecordType = $r['tokenValue']; |
|
426
|
|
|
$wasPage = true; |
|
427
|
|
|
} elseif (strpos($r['recordRef'], 'tt_content') !== false && (isset($wasPage) && $wasPage === true)) { |
|
428
|
|
|
$referencedRecordType = $referencedRecordType . '#c' . $r['tokenValue']; |
|
429
|
|
|
$wasPage = false; |
|
430
|
|
|
} else { |
|
431
|
|
|
$currentR = $r; |
|
432
|
|
|
} |
|
433
|
|
|
$title = strip_tags($linkTags[$i]); |
|
434
|
|
|
} |
|
435
|
|
|
/** @var AbstractLinktype $hookObj */ |
|
436
|
|
|
foreach ($this->hookObjectsArr as $keyArr => $hookObj) { |
|
437
|
|
|
$type = $hookObj->fetchType($currentR, $type, $keyArr); |
|
438
|
|
|
// Store the type that was found |
|
439
|
|
|
// This prevents overriding by internal validator |
|
440
|
|
|
if (!empty($type)) { |
|
441
|
|
|
$currentR['type'] = $type; |
|
442
|
|
|
} |
|
443
|
|
|
} |
|
444
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $currentR['tokenID']]['substr'] = $currentR; |
|
445
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $currentR['tokenID']]['row'] = $record; |
|
446
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $currentR['tokenID']]['table'] = $table; |
|
447
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $currentR['tokenID']]['field'] = $field; |
|
448
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $currentR['tokenID']]['uid'] = $idRecord; |
|
449
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $currentR['tokenID']]['link_title'] = $title; |
|
450
|
|
|
$results[$type][$table . ':' . $field . ':' . $idRecord . ':' . $currentR['tokenID']]['pageAndAnchor'] = $referencedRecordType; |
|
451
|
|
|
} |
|
452
|
|
|
} |
|
453
|
|
|
|
|
454
|
|
|
/** |
|
455
|
|
|
* Fill a marker array with the number of links found in a list of pages |
|
456
|
|
|
* |
|
457
|
|
|
* @return array array with the number of links found |
|
458
|
|
|
*/ |
|
459
|
|
|
public function getLinkCounts() |
|
460
|
|
|
{ |
|
461
|
|
|
return $this->brokenLinkRepository->getNumberOfBrokenLinksForRecordsOnPages($this->pids, $this->searchFields); |
|
462
|
|
|
} |
|
463
|
|
|
|
|
464
|
|
|
/** |
|
465
|
|
|
* @return LanguageService |
|
466
|
|
|
*/ |
|
467
|
|
|
protected function getLanguageService() |
|
468
|
|
|
{ |
|
469
|
|
|
return $GLOBALS['LANG']; |
|
470
|
|
|
} |
|
471
|
|
|
} |
|
472
|
|
|
|