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<?php /** * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * http://www.gnu.org/copyleft/gpl.html * * @file */ namespace MediaWiki\Specials; use File; use MediaWiki\Cache\LinkBatchFactory; use MediaWiki\HTMLForm\HTMLForm; use MediaWiki\Language\ILanguageConverter; use MediaWiki\Languages\LanguageConverterFactory; use MediaWiki\Linker\Linker; use MediaWiki\SpecialPage\SpecialPage; use MediaWiki\Title\Title; use RepoGroup; use SearchEngineFactory; /** * Search the database for files of the requested hash, comparing this with the * 'img_sha1' field in the image table. * * @ingroup SpecialPage * @author Raimond Spekking, based on Special:MIMESearch by Ævar Arnfjörð Bjarmason */ class SpecialFileDuplicateSearch extends SpecialPage { /** * @var string The form input hash */ private $hash = ''; /** * @var string The form input filename */ private $filename = ''; /** * @var File|null selected reference file, if present */ private $file = null; private LinkBatchFactory $linkBatchFactory; private RepoGroup $repoGroup; private SearchEngineFactory $searchEngineFactory; private ILanguageConverter $languageConverter; /** * @param LinkBatchFactory $linkBatchFactory * @param RepoGroup $repoGroup * @param SearchEngineFactory $searchEngineFactory * @param LanguageConverterFactory $languageConverterFactory */ public function __construct( LinkBatchFactory $linkBatchFactory, RepoGroup $repoGroup, SearchEngineFactory $searchEngineFactory, LanguageConverterFactory $languageConverterFactory ) { parent::__construct( 'FileDuplicateSearch' ); $this->linkBatchFactory = $linkBatchFactory; $this->repoGroup = $repoGroup; $this->searchEngineFactory = $searchEngineFactory; $this->languageConverter = $languageConverterFactory->getLanguageConverter( $this->getContentLanguage() ); } /** * Fetch dupes from all connected file repositories. * * @return File[] */ private function getDupes() { return $this->repoGroup->findBySha1( $this->hash ); } /** * @param File[] $dupes */ private function showList( $dupes ) { $html = []; $html[] = "<ol class='special'>"; foreach ( $dupes as $dupe ) { $line = $this->formatResult( $dupe ); $html[] = "<li>" . $line . "</li>"; } $html[] = '</ol>'; $this->getOutput()->addHTML( implode( "\n", $html ) ); } public function execute( $par ) { $this->setHeaders(); $this->outputHeader(); $this->filename = $par ?? $this->getRequest()->getText( 'filename' ); $this->file = null; $this->hash = ''; $title = Title::newFromText( $this->filename, NS_FILE ); if ( $title && $title->getText() != '' ) { $this->file = $this->repoGroup->findFile( $title ); } $out = $this->getOutput(); # Create the input form $formFields = [ 'filename' => [ 'type' => 'text', 'name' => 'filename', 'label-message' => 'fileduplicatesearch-filename', 'id' => 'filename', 'size' => 50, 'default' => $this->filename, ], ]; $htmlForm = HTMLForm::factory( 'ooui', $formFields, $this->getContext() ); $htmlForm->setTitle( $this->getPageTitle() ); $htmlForm->setMethod( 'get' ); $htmlForm->setSubmitTextMsg( $this->msg( 'fileduplicatesearch-submit' ) ); // The form should be visible always, even if it was submitted (e.g. to perform another action). // To bypass the callback validation of HTMLForm, use prepareForm() and displayForm(). $htmlForm->prepareForm()->displayForm( false ); if ( $this->file ) { $this->hash = $this->file->getSha1(); } elseif ( $this->filename !== '' ) { $out->wrapWikiMsg( "<p class='mw-fileduplicatesearch-noresults'>\n$1\n</p>", [ 'fileduplicatesearch-noresults', wfEscapeWikiText( $this->filename ) ] ); } if ( $this->hash != '' ) { # Show a thumbnail of the file $img = $this->file; if ( $img ) { $thumb = $img->transform( [ 'width' => 120, 'height' => 120 ] ); if ( $thumb ) { $out->addModuleStyles( 'mediawiki.special' ); $out->addHTML( '<div id="mw-fileduplicatesearch-icon">' . $thumb->toHtml( [ 'desc-link' => false ] ) . '<br />' . $this->msg( 'fileduplicatesearch-info' ) ->numParams( $img->getWidth(), $img->getHeight() ) ->sizeParams( $img->getSize() ) ->params( $img->getMimeType() )->parseAsBlock() . '</div>' ); } } $dupes = $this->getDupes(); $numRows = count( $dupes ); # Show a short summary if ( $numRows == 1 ) { $out->wrapWikiMsg( "<p class='mw-fileduplicatesearch-result-1'>\n$1\n</p>", [ 'fileduplicatesearch-result-1', wfEscapeWikiText( $this->filename ) ] ); } elseif ( $numRows ) { $out->wrapWikiMsg( "<p class='mw-fileduplicatesearch-result-n'>\n$1\n</p>", [ 'fileduplicatesearch-result-n', wfEscapeWikiText( $this->filename ), $this->getLanguage()->formatNum( $numRows - 1 ) ] ); } $this->doBatchLookups( $dupes ); $this->showList( $dupes ); } } /** * @param File[] $list */ private function doBatchLookups( $list ) { $batch = $this->linkBatchFactory->newLinkBatch(); foreach ( $list as $file ) { $batch->addObj( $file->getTitle() ); if ( $file->isLocal() ) { $uploader = $file->getUploader( File::FOR_THIS_USER, $this->getAuthority() ); if ( $uploader ) { $batch->add( NS_USER, $uploader->getName() ); $batch->add( NS_USER_TALK, $uploader->getName() ); } } } $batch->execute(); } /** * @param File $result * @return string HTML */ private function formatResult( $result ) { $linkRenderer = $this->getLinkRenderer(); $nt = $result->getTitle(); $text = $this->languageConverter->convert( $nt->getText() ); $plink = $linkRenderer->makeLink( $nt, $text ); $uploader = $result->getUploader( File::FOR_THIS_USER, $this->getAuthority() ); if ( $result->isLocal() && $uploader ) { $user = Linker::userLink( $uploader->getId(), $uploader->getName() ); $user .= '<span style="white-space: nowrap;">'; $user .= Linker::userToolLinks( $uploader->getId(), $uploader->getName() ); $user .= '</span>'; } elseif ( $uploader ) { $user = htmlspecialchars( $uploader->getName() ); } else { $user = '<span class="history-deleted">' . $this->msg( 'rev-deleted-user' )->escaped() . '</span>'; } $time = htmlspecialchars( $this->getLanguage()->userTimeAndDate( $result->getTimestamp(), $this->getUser() ) ); return "$plink . . $user . . $time"; } /** * Return an array of subpages beginning with $search that this special page will accept. * * @param string $search Prefix to search for * @param int $limit Maximum number of results to return (usually 10) * @param int $offset Number of results to skip (usually 0) * @return string[] Matching subpages */ public function prefixSearchSubpages( $search, $limit, $offset ) { $title = Title::newFromText( $search, NS_FILE ); if ( !$title || $title->getNamespace() !== NS_FILE ) { // No prefix suggestion outside of file namespace return []; } $searchEngine = $this->searchEngineFactory->create(); $searchEngine->setLimitOffset( $limit, $offset ); // Autocomplete subpage the same as a normal search, but just for files $searchEngine->setNamespaces( [ NS_FILE ] ); $result = $searchEngine->defaultPrefixSearch( $search ); return array_map( static function ( Title $t ) { // Remove namespace in search suggestion return $t->getText(); }, $result ); } protected function getGroupName() { return 'media'; } } /** @deprecated class alias since 1.41 */ class_alias( SpecialFileDuplicateSearch::class, 'SpecialFileDuplicateSearch' );
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