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| 1 | <?php |
| 2 | /** |
| 3 | * Implements Special:MIMESearch |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | * @ingroup SpecialPage |
| 22 | * @author Ævar Arnfjörð Bjarmason <avarab@gmail.com> |
| 23 | */ |
| 24 | |
| 25 | namespace MediaWiki\Specials; |
| 26 | |
| 27 | use File; |
| 28 | use HtmlArmor; |
| 29 | use ILanguageConverter; |
| 30 | use LocalFile; |
| 31 | use MediaWiki\Cache\LinkBatchFactory; |
| 32 | use MediaWiki\HTMLForm\HTMLForm; |
| 33 | use MediaWiki\Languages\LanguageConverterFactory; |
| 34 | use MediaWiki\Linker\Linker; |
| 35 | use MediaWiki\MediaWikiServices; |
| 36 | use MediaWiki\SpecialPage\QueryPage; |
| 37 | use MediaWiki\Title\Title; |
| 38 | use Skin; |
| 39 | use stdClass; |
| 40 | use Wikimedia\Rdbms\IConnectionProvider; |
| 41 | |
| 42 | /** |
| 43 | * Searches the database for files of the requested MIME type, comparing this with the |
| 44 | * 'img_major_mime' and 'img_minor_mime' fields in the image table. |
| 45 | * @ingroup SpecialPage |
| 46 | */ |
| 47 | class SpecialMIMESearch extends QueryPage { |
| 48 | protected $major; |
| 49 | protected $minor; |
| 50 | protected $mime; |
| 51 | |
| 52 | private ILanguageConverter $languageConverter; |
| 53 | |
| 54 | /** |
| 55 | * @param IConnectionProvider $dbProvider |
| 56 | * @param LinkBatchFactory $linkBatchFactory |
| 57 | * @param LanguageConverterFactory $languageConverterFactory |
| 58 | */ |
| 59 | public function __construct( |
| 60 | IConnectionProvider $dbProvider, |
| 61 | LinkBatchFactory $linkBatchFactory, |
| 62 | LanguageConverterFactory $languageConverterFactory |
| 63 | ) { |
| 64 | parent::__construct( 'MIMEsearch' ); |
| 65 | $this->setDatabaseProvider( $dbProvider ); |
| 66 | $this->setLinkBatchFactory( $linkBatchFactory ); |
| 67 | $this->languageConverter = $languageConverterFactory->getLanguageConverter( $this->getContentLanguage() ); |
| 68 | } |
| 69 | |
| 70 | public function isExpensive() { |
| 71 | return false; |
| 72 | } |
| 73 | |
| 74 | public function isSyndicated() { |
| 75 | return false; |
| 76 | } |
| 77 | |
| 78 | public function isCacheable() { |
| 79 | return false; |
| 80 | } |
| 81 | |
| 82 | protected function linkParameters() { |
| 83 | return [ 'mime' => "{$this->major}/{$this->minor}" ]; |
| 84 | } |
| 85 | |
| 86 | public function getQueryInfo() { |
| 87 | $minorType = []; |
| 88 | if ( $this->minor !== '*' ) { |
| 89 | // Allow wildcard searching |
| 90 | $minorType['img_minor_mime'] = $this->minor; |
| 91 | } |
| 92 | $imgQuery = LocalFile::getQueryInfo(); |
| 93 | $qi = [ |
| 94 | 'tables' => $imgQuery['tables'], |
| 95 | 'fields' => [ |
| 96 | 'namespace' => NS_FILE, |
| 97 | 'title' => 'img_name', |
| 98 | // Still have a value field just in case, |
| 99 | // but it isn't actually used for sorting. |
| 100 | 'value' => 'img_name', |
| 101 | 'img_size', |
| 102 | 'img_width', |
| 103 | 'img_height', |
| 104 | 'img_user_text' => $imgQuery['fields']['img_user_text'], |
| 105 | 'img_timestamp' |
| 106 | ], |
| 107 | 'conds' => [ |
| 108 | 'img_major_mime' => $this->major, |
| 109 | // This is in order to trigger using |
| 110 | // the img_media_mime index in "range" mode. |
| 111 | // @todo how is order defined? use MimeAnalyzer::getMediaTypes? |
| 112 | 'img_media_type' => [ |
| 113 | MEDIATYPE_BITMAP, |
| 114 | MEDIATYPE_DRAWING, |
| 115 | MEDIATYPE_AUDIO, |
| 116 | MEDIATYPE_VIDEO, |
| 117 | MEDIATYPE_MULTIMEDIA, |
| 118 | MEDIATYPE_UNKNOWN, |
| 119 | MEDIATYPE_OFFICE, |
| 120 | MEDIATYPE_TEXT, |
| 121 | MEDIATYPE_EXECUTABLE, |
| 122 | MEDIATYPE_ARCHIVE, |
| 123 | MEDIATYPE_3D, |
| 124 | ], |
| 125 | ] + $minorType, |
| 126 | 'join_conds' => $imgQuery['joins'], |
| 127 | ]; |
| 128 | |
| 129 | return $qi; |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * The index is on (img_media_type, img_major_mime, img_minor_mime) |
| 134 | * which unfortunately doesn't have img_name at the end for sorting. |
| 135 | * So tell db to sort it however it wishes (Its not super important |
| 136 | * that this report gives results in a logical order). As an additional |
| 137 | * note, mysql seems to by default order things by img_name ASC, which |
| 138 | * is what we ideally want, so everything works out fine anyhow. |
| 139 | * @return array |
| 140 | */ |
| 141 | protected function getOrderFields() { |
| 142 | return []; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Generate and output the form |
| 147 | * @return string |
| 148 | */ |
| 149 | protected function getPageHeader() { |
| 150 | $formDescriptor = [ |
| 151 | 'mime' => [ |
| 152 | 'type' => 'combobox', |
| 153 | 'options' => $this->getSuggestionsForTypes(), |
| 154 | 'name' => 'mime', |
| 155 | 'label-message' => 'mimetype', |
| 156 | 'required' => true, |
| 157 | 'default' => $this->mime, |
| 158 | ], |
| 159 | ]; |
| 160 | |
| 161 | HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() ) |
| 162 | ->setSubmitTextMsg( 'ilsubmit' ) |
| 163 | ->setTitle( $this->getPageTitle() ) |
| 164 | ->setMethod( 'get' ) |
| 165 | ->prepareForm() |
| 166 | ->displayForm( false ); |
| 167 | return ''; |
| 168 | } |
| 169 | |
| 170 | protected function getSuggestionsForTypes() { |
| 171 | $queryBuilder = $this->getDatabaseProvider()->getReplicaDatabase()->newSelectQueryBuilder(); |
| 172 | $queryBuilder |
| 173 | // We ignore img_media_type, but using it in the query is needed for MySQL to choose a |
| 174 | // sensible execution plan |
| 175 | ->select( [ 'img_media_type', 'img_major_mime', 'img_minor_mime' ] ) |
| 176 | ->from( 'image' ) |
| 177 | ->groupBy( [ 'img_media_type', 'img_major_mime', 'img_minor_mime' ] ); |
| 178 | $result = $queryBuilder->caller( __METHOD__ )->fetchResultSet(); |
| 179 | |
| 180 | $lastMajor = null; |
| 181 | $suggestions = []; |
| 182 | foreach ( $result as $row ) { |
| 183 | $major = $row->img_major_mime; |
| 184 | $minor = $row->img_minor_mime; |
| 185 | $suggestions[ "$major/$minor" ] = "$major/$minor"; |
| 186 | if ( $lastMajor === $major ) { |
| 187 | // If there are at least two with the same major mime type, also include the wildcard |
| 188 | $suggestions[ "$major/*" ] = "$major/*"; |
| 189 | } |
| 190 | $lastMajor = $major; |
| 191 | } |
| 192 | ksort( $suggestions ); |
| 193 | return $suggestions; |
| 194 | } |
| 195 | |
| 196 | public function execute( $par ) { |
| 197 | $this->addHelpLink( 'Help:Managing_files' ); |
| 198 | $this->mime = $par ?: $this->getRequest()->getText( 'mime' ); |
| 199 | $this->mime = trim( $this->mime ); |
| 200 | [ $this->major, $this->minor ] = File::splitMime( $this->mime ); |
| 201 | $mimeAnalyzer = MediaWikiServices::getInstance()->getMimeAnalyzer(); |
| 202 | |
| 203 | if ( $this->major == '' || $this->minor == '' || $this->minor == 'unknown' || |
| 204 | !$mimeAnalyzer->isValidMajorMimeType( $this->major ) |
| 205 | ) { |
| 206 | $this->setHeaders(); |
| 207 | $this->outputHeader(); |
| 208 | $this->getPageHeader(); |
| 209 | return; |
| 210 | } |
| 211 | |
| 212 | parent::execute( $par ); |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * @param Skin $skin |
| 217 | * @param stdClass $result Result row |
| 218 | * @return string |
| 219 | */ |
| 220 | public function formatResult( $skin, $result ) { |
| 221 | $linkRenderer = $this->getLinkRenderer(); |
| 222 | $nt = Title::makeTitle( $result->namespace, $result->title ); |
| 223 | |
| 224 | $text = $this->languageConverter->convertHtml( $nt->getText() ); |
| 225 | $plink = $linkRenderer->makeLink( |
| 226 | Title::newFromText( $nt->getPrefixedText() ), |
| 227 | new HtmlArmor( $text ) |
| 228 | ); |
| 229 | |
| 230 | $download = Linker::makeMediaLinkObj( $nt, $this->msg( 'download' )->escaped() ); |
| 231 | $download = $this->msg( 'parentheses' )->rawParams( $download )->escaped(); |
| 232 | $lang = $this->getLanguage(); |
| 233 | $bytes = htmlspecialchars( $lang->formatSize( $result->img_size ) ); |
| 234 | $dimensions = $this->msg( 'widthheight' )->numParams( $result->img_width, |
| 235 | $result->img_height )->escaped(); |
| 236 | $user = $linkRenderer->makeLink( |
| 237 | Title::makeTitle( NS_USER, $result->img_user_text ), |
| 238 | $result->img_user_text |
| 239 | ); |
| 240 | |
| 241 | $time = $lang->userTimeAndDate( $result->img_timestamp, $this->getUser() ); |
| 242 | $time = htmlspecialchars( $time ); |
| 243 | |
| 244 | return "$download $plink . . $dimensions . . $bytes . . $user . . $time"; |
| 245 | } |
| 246 | |
| 247 | public function preprocessResults( $db, $res ) { |
| 248 | $this->executeLBFromResultWrapper( $res ); |
| 249 | } |
| 250 | |
| 251 | protected function getGroupName() { |
| 252 | return 'media'; |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | /** |
| 257 | * Retain the old class name for backwards compatibility. |
| 258 | * @deprecated since 1.41 |
| 259 | */ |
| 260 | class_alias( SpecialMIMESearch::class, 'SpecialMIMESearch' ); |