includes/page/ImagePage.php

   1 <?php
   2 /**
   3  * Special handling for file description pages.
   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  */
  22
  23 use MediaWiki\MediaWikiServices;
  24 use Wikimedia\Rdbms\ResultWrapper;
  25
  26 /**
  27  * Class for viewing MediaWiki file description pages
  28  *
  29  * @ingroup Media
  30  *
  31  * @property WikiFilePage $mPage Set by overwritten newPage() in this class
  32  * @method WikiFilePage getPage()
  33  */
  34 class ImagePage extends Article {
  35         /** @var File|false */
  36         private $displayImg;
  37
  38         /** @var FileRepo */
  39         private $repo;
  40
  41         /** @var bool */
  42         private $fileLoaded;
  43
  44         /** @var bool */
  45         protected $mExtraDescription = false;
  46
  47         /**
  48          * @param Title $title
  49          * @return WikiFilePage
  50          */
  51         protected function newPage( Title $title ) {
  52                 // Overload mPage with a file-specific page
  53                 return new WikiFilePage( $title );
  54         }
  55
  56         /**
  57          * @param File $file
  58          * @return void
  59          */
  60         public function setFile( $file ) {
  61                 $this->mPage->setFile( $file );
  62                 $this->displayImg = $file;
  63                 $this->fileLoaded = true;
  64         }
  65
  66         protected function loadFile() {
  67                 if ( $this->fileLoaded ) {
  68                         return;
  69                 }
  70                 $this->fileLoaded = true;
  71
  72                 $this->displayImg = $img = false;
  73
  74                 Hooks::run( 'ImagePageFindFile', [ $this, &$img, &$this->displayImg ] );
  75                 if ( !$img ) { // not set by hook?
  76                         $services = MediaWikiServices::getInstance();
  77                         $img = $services->getRepoGroup()->findFile( $this->getTitle() );
  78                         if ( !$img ) {
  79                                 $img = $services->getRepoGroup()->getLocalRepo()->newFile( $this->getTitle() );
  80                         }
  81                 }
  82                 $this->mPage->setFile( $img );
  83                 if ( !$this->displayImg ) { // not set by hook?
  84                         $this->displayImg = $img;
  85                 }
  86                 $this->repo = $img->getRepo();
  87         }
  88
  89         public function view() {
  90                 global $wgShowEXIF;
  91
  92                 // For action=render, include body text only; none of the image extras
  93                 if ( $this->viewIsRenderAction ) {
  94                         parent::view();
  95                         return;
  96                 }
  97
  98                 $out = $this->getContext()->getOutput();
  99                 $request = $this->getContext()->getRequest();
 100                 $diff = $request->getVal( 'diff' );
 101                 $diffOnly = $request->getBool(
 102                         'diffonly',
 103                         $this->getContext()->getUser()->getOption( 'diffonly' )
 104                 );
 105
 106                 if ( $this->getTitle()->getNamespace() != NS_FILE || ( $diff !== null && $diffOnly ) ) {
 107                         parent::view();
 108                         return;
 109                 }
 110
 111                 $this->loadFile();
 112
 113                 if ( $this->getTitle()->getNamespace() == NS_FILE && $this->mPage->getFile()->getRedirected() ) {
 114                         if ( $this->getTitle()->getDBkey() == $this->mPage->getFile()->getName() || $diff !== null ) {
 115                                 $request->setVal( 'diffonly', 'true' );
 116                         }
 117
 118                         parent::view();
 119                         return;
 120                 }
 121
 122                 if ( $wgShowEXIF && $this->displayImg->exists() ) {
 123                         // @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
 124                         $formattedMetadata = $this->displayImg->formatMetadata( $this->getContext() );
 125                         $showmeta = $formattedMetadata !== false;
 126                 } else {
 127                         $showmeta = false;
 128                 }
 129
 130                 if ( !$diff && $this->displayImg->exists() ) {
 131                         $out->addHTML( $this->showTOC( $showmeta ) );
 132                 }
 133
 134                 if ( !$diff ) {
 135                         $this->openShowImage();
 136                 }
 137
 138                 # No need to display noarticletext, we use our own message, output in openShowImage()
 139                 if ( $this->mPage->getId() ) {
 140                         # NS_FILE is in the user language, but this section (the actual wikitext)
 141                         # should be in page content language
 142                         $pageLang = $this->getTitle()->getPageViewLanguage();
 143                         $out->addHTML( Xml::openElement( 'div', [ 'id' => 'mw-imagepage-content',
 144                                 'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(),
 145                                 'class' => 'mw-content-' . $pageLang->getDir() ] ) );
 146
 147                         parent::view();
 148
 149                         $out->addHTML( Xml::closeElement( 'div' ) );
 150                 } else {
 151                         # Just need to set the right headers
 152                         $out->setArticleFlag( true );
 153                         $out->setPageTitle( $this->getTitle()->getPrefixedText() );
 154                         $this->mPage->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
 155                 }
 156
 157                 # Show shared description, if needed
 158                 if ( $this->mExtraDescription ) {
 159                         $fol = $this->getContext()->msg( 'shareddescriptionfollows' );
 160                         if ( !$fol->isDisabled() ) {
 161                                 $out->addWikiTextAsInterface( $fol->plain() );
 162                         }
 163                         $out->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription . "</div>\n" );
 164                 }
 165
 166                 $this->closeShowImage();
 167                 $this->imageHistory();
 168                 // TODO: Cleanup the following
 169
 170                 $out->addHTML( Xml::element( 'h2',
 171                         [ 'id' => 'filelinks' ],
 172                                 $this->getContext()->msg( 'imagelinks' )->text() ) . "\n" );
 173                 $this->imageDupes();
 174                 # @todo FIXME: For some freaky reason, we can't redirect to foreign images.
 175                 # Yet we return metadata about the target. Definitely an issue in the FileRepo
 176                 $this->imageLinks();
 177
 178                 # Allow extensions to add something after the image links
 179                 $html = '';
 180                 Hooks::run( 'ImagePageAfterImageLinks', [ $this, &$html ] );
 181                 if ( $html ) {
 182                         $out->addHTML( $html );
 183                 }
 184
 185                 if ( $showmeta ) {
 186                         $out->addHTML( Xml::element(
 187                                 'h2',
 188                                 [ 'id' => 'metadata' ],
 189                                         $this->getContext()->msg( 'metadata' )->text() ) . "\n" );
 190                         $out->wrapWikiTextAsInterface(
 191                                 'mw-imagepage-section-metadata',
 192                                 $this->makeMetadataTable( $formattedMetadata )
 193                         );
 194                         $out->addModules( [ 'mediawiki.action.view.metadata' ] );
 195                 }
 196
 197                 // Add remote Filepage.css
 198                 if ( !$this->repo->isLocal() ) {
 199                         $css = $this->repo->getDescriptionStylesheetUrl();
 200                         if ( $css ) {
 201                                 $out->addStyle( $css );
 202                         }
 203                 }
 204
 205                 $out->addModuleStyles( [
 206                         'filepage', // always show the local local Filepage.css, T31277
 207                         'mediawiki.action.view.filepage', // Add MediaWiki styles for a file page
 208                 ] );
 209         }
 210
 211         /**
 212          * @return File
 213          */
 214         public function getDisplayedFile() {
 215                 $this->loadFile();
 216                 return $this->displayImg;
 217         }
 218
 219         /**
 220          * Create the TOC
 221          *
 222          * @param bool $metadata Whether or not to show the metadata link
 223          * @return string
 224          */
 225         protected function showTOC( $metadata ) {
 226                 $r = [
 227                         '<li><a href="#file">' . $this->getContext()->msg( 'file-anchor-link' )->escaped() . '</a></li>',
 228                         '<li><a href="#filehistory">' . $this->getContext()->msg( 'filehist' )->escaped() . '</a></li>',
 229                         '<li><a href="#filelinks">' . $this->getContext()->msg( 'imagelinks' )->escaped() . '</a></li>',
 230                 ];
 231
 232                 Hooks::run( 'ImagePageShowTOC', [ $this, &$r ] );
 233
 234                 if ( $metadata ) {
 235                         $r[] = '<li><a href="#metadata">' .
 236                                 $this->getContext()->msg( 'metadata' )->escaped() .
 237                                 '</a></li>';
 238                 }
 239
 240                 return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>';
 241         }
 242
 243         /**
 244          * Make a table with metadata to be shown in the output page.
 245          *
 246          * @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
 247          *
 248          * @param array $metadata The array containing the Exif data
 249          * @return string The metadata table. This is treated as Wikitext (!)
 250          */
 251         protected function makeMetadataTable( $metadata ) {
 252                 $r = $this->getContext()->msg( 'metadata-help' )->plain();
 253                 // Intial state is collapsed
 254                 // see filepage.css and mediawiki.action.view.metadata module.
 255                 $r .= "<table id=\"mw_metadata\" class=\"mw_metadata collapsed\">\n";
 256                 foreach ( $metadata as $type => $stuff ) {
 257                         foreach ( $stuff as $v ) {
 258                                 $class = str_replace( ' ', '_', $v['id'] );
 259                                 if ( $type == 'collapsed' ) {
 260                                         $class .= ' mw-metadata-collapsible';
 261                                 }
 262                                 $r .= Html::rawElement( 'tr',
 263                                         [ 'class' => $class ],
 264                                         Html::rawElement( 'th', [], $v['name'] )
 265                                                 . Html::rawElement( 'td', [], $v['value'] )
 266                                 );
 267                         }
 268                 }
 269                 $r .= "</table>\n";
 270                 return $r;
 271         }
 272
 273         /**
 274          * Overloading Article's getEmptyPageParserOutput method.
 275          *
 276          * Omit noarticletext if sharedupload; text will be fetched from the
 277          * shared upload server if possible.
 278          *
 279          * @param ParserOptions $options
 280          * @return ParserOutput
 281          */
 282         public function getEmptyPageParserOutput( ParserOptions $options ) {
 283                 $this->loadFile();
 284                 if ( $this->mPage->getFile() && !$this->mPage->getFile()->isLocal() && $this->getId() == 0 ) {
 285                         return new ParserOutput();
 286                 }
 287                 return parent::getEmptyPageParserOutput( $options );
 288         }
 289
 290         /**
 291          * Returns language code to be used for dispaying the image, based on request context and
 292          * languages available in the file.
 293          *
 294          * @param WebRequest $request
 295          * @param File $file
 296          * @return string|null
 297          */
 298         private function getLanguageForRendering( WebRequest $request, File $file ) {
 299                 $handler = $file->getHandler();
 300                 if ( !$handler ) {
 301                         return null;
 302                 }
 303
 304                 $config = MediaWikiServices::getInstance()->getMainConfig();
 305                 $requestLanguage = $request->getVal( 'lang', $config->get( 'LanguageCode' ) );
 306                 if ( $handler->validateParam( 'lang', $requestLanguage ) ) {
 307                         return $file->getMatchedLanguage( $requestLanguage );
 308                 }
 309
 310                 return $handler->getDefaultRenderLanguage( $file );
 311         }
 312
 313         protected function openShowImage() {
 314                 global $wgEnableUploads, $wgSend404Code, $wgSVGMaxSize;
 315
 316                 $this->loadFile();
 317                 $out = $this->getContext()->getOutput();
 318                 $user = $this->getContext()->getUser();
 319                 $lang = $this->getContext()->getLanguage();
 320                 $dirmark = $lang->getDirMarkEntity();
 321                 $request = $this->getContext()->getRequest();
 322
 323                 list( $maxWidth, $maxHeight ) = $this->getImageLimitsFromOption( $user, 'imagesize' );
 324
 325                 if ( $this->displayImg->exists() ) {
 326                         # image
 327                         $page = $request->getIntOrNull( 'page' );
 328                         if ( is_null( $page ) ) {
 329                                 $params = [];
 330                                 $page = 1;
 331                         } else {
 332                                 $params = [ 'page' => $page ];
 333                         }
 334
 335                         $renderLang = $this->getLanguageForRendering( $request, $this->displayImg );
 336                         if ( !is_null( $renderLang ) ) {
 337                                 $params['lang'] = $renderLang;
 338                         }
 339
 340                         $width_orig = $this->displayImg->getWidth( $page );
 341                         $width = $width_orig;
 342                         $height_orig = $this->displayImg->getHeight( $page );
 343                         $height = $height_orig;
 344
 345                         $filename = wfEscapeWikiText( $this->displayImg->getName() );
 346                         $linktext = $filename;
 347
 348                         // Avoid PHP 7.1 warning from passing $this by reference
 349                         $imagePage = $this;
 350
 351                         Hooks::run( 'ImageOpenShowImageInlineBefore', [ &$imagePage, &$out ] );
 352
 353                         if ( $this->displayImg->allowInlineDisplay() ) {
 354                                 # image
 355                                 # "Download high res version" link below the image
 356                                 # $msgsize = $this->getContext()->msg( 'file-info-size', $width_orig, $height_orig,
 357                                 #   Language::formatSize( $this->displayImg->getSize() ), $mime )->escaped();
 358                                 # We'll show a thumbnail of this image
 359                                 if ( $width > $maxWidth || $height > $maxHeight || $this->displayImg->isVectorized() ) {
 360                                         list( $width, $height ) = $this->getDisplayWidthHeight(
 361                                                 $maxWidth, $maxHeight, $width, $height
 362                                         );
 363                                         $linktext = $this->getContext()->msg( 'show-big-image' )->escaped();
 364
 365                                         $thumbSizes = $this->getThumbSizes( $width_orig, $height_orig );
 366                                         # Generate thumbnails or thumbnail links as needed...
 367                                         $otherSizes = [];
 368                                         foreach ( $thumbSizes as $size ) {
 369                                                 // We include a thumbnail size in the list, if it is
 370                                                 // less than or equal to the original size of the image
 371                                                 // asset ($width_orig/$height_orig). We also exclude
 372                                                 // the current thumbnail's size ($width/$height)
 373                                                 // since that is added to the message separately, so
 374                                                 // it can be denoted as the current size being shown.
 375                                                 // Vectorized images are limited by $wgSVGMaxSize big,
 376                                                 // so all thumbs less than or equal that are shown.
 377                                                 if ( ( ( $size[0] <= $width_orig && $size[1] <= $height_orig )
 378                                                                 || ( $this->displayImg->isVectorized()
 379                                                                         && max( $size[0], $size[1] ) <= $wgSVGMaxSize )
 380                                                         )
 381                                                         && $size[0] != $width && $size[1] != $height
 382                                                 ) {
 383                                                         $sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] );
 384                                                         if ( $sizeLink ) {
 385                                                                 $otherSizes[] = $sizeLink;
 386                                                         }
 387                                                 }
 388                                         }
 389                                         $otherSizes = array_unique( $otherSizes );
 390
 391                                         $sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height );
 392                                         $msgsmall = $this->getThumbPrevText( $params, $sizeLinkBigImagePreview );
 393                                         if ( count( $otherSizes ) ) {
 394                                                 $msgsmall .= ' ' .
 395                                                 Html::rawElement(
 396                                                         'span',
 397                                                         [ 'class' => 'mw-filepage-other-resolutions' ],
 398                                                         $this->getContext()->msg( 'show-big-image-other' )
 399                                                                 ->rawParams( $lang->pipeList( $otherSizes ) )
 400                                                                 ->params( count( $otherSizes ) )
 401                                                                 ->parse()
 402                                                 );
 403                                         }
 404                                 } elseif ( $width == 0 && $height == 0 ) {
 405                                         # Some sort of audio file that doesn't have dimensions
 406                                         # Don't output a no hi res message for such a file
 407                                         $msgsmall = '';
 408                                 } else {
 409                                         # Image is small enough to show full size on image page
 410                                         $msgsmall = $this->getContext()->msg( 'file-nohires' )->parse();
 411                                 }
 412
 413                                 $params['width'] = $width;
 414                                 $params['height'] = $height;
 415                                 $thumbnail = $this->displayImg->transform( $params );
 416                                 Linker::processResponsiveImages( $this->displayImg, $thumbnail, $params );
 417
 418                                 $anchorclose = Html::rawElement(
 419                                         'div',
 420                                         [ 'class' => 'mw-filepage-resolutioninfo' ],
 421                                         $msgsmall
 422                                 );
 423
 424                                 $isMulti = $this->displayImg->isMultipage() && $this->displayImg->pageCount() > 1;
 425                                 if ( $isMulti ) {
 426                                         $out->addModules( 'mediawiki.page.image.pagination' );
 427                                         $out->addHTML( '<table class="multipageimage"><tr><td>' );
 428                                 }
 429
 430                                 if ( $thumbnail ) {
 431                                         $options = [
 432                                                 'alt' => $this->displayImg->getTitle()->getPrefixedText(),
 433                                                 'file-link' => true,
 434                                         ];
 435                                         $out->addHTML( '<div class="fullImageLink" id="file">' .
 436                                                 $thumbnail->toHtml( $options ) .
 437                                                 $anchorclose . "</div>\n" );
 438                                 }
 439
 440                                 if ( $isMulti ) {
 441                                         $count = $this->displayImg->pageCount();
 442
 443                                         if ( $page > 1 ) {
 444                                                 $label = $this->getContext()->msg( 'imgmultipageprev' )->text();
 445                                                 // on the client side, this link is generated in ajaxifyPageNavigation()
 446                                                 // in the mediawiki.page.image.pagination module
 447                                                 $link = Linker::linkKnown(
 448                                                         $this->getTitle(),
 449                                                         htmlspecialchars( $label ),
 450                                                         [],
 451                                                         [ 'page' => $page - 1 ]
 452                                                 );
 453                                                 $thumb1 = Linker::makeThumbLinkObj(
 454                                                         $this->getTitle(),
 455                                                         $this->displayImg,
 456                                                         $link,
 457                                                         $label,
 458                                                         'none',
 459                                                         [ 'page' => $page - 1 ]
 460                                                 );
 461                                         } else {
 462                                                 $thumb1 = '';
 463                                         }
 464
 465                                         if ( $page < $count ) {
 466                                                 $label = $this->getContext()->msg( 'imgmultipagenext' )->text();
 467                                                 $link = Linker::linkKnown(
 468                                                         $this->getTitle(),
 469                                                         htmlspecialchars( $label ),
 470                                                         [],
 471                                                         [ 'page' => $page + 1 ]
 472                                                 );
 473                                                 $thumb2 = Linker::makeThumbLinkObj(
 474                                                         $this->getTitle(),
 475                                                         $this->displayImg,
 476                                                         $link,
 477                                                         $label,
 478                                                         'none',
 479                                                         [ 'page' => $page + 1 ]
 480                                                 );
 481                                         } else {
 482                                                 $thumb2 = '';
 483                                         }
 484
 485                                         global $wgScript;
 486
 487                                         $formParams = [
 488                                                 'name' => 'pageselector',
 489                                                 'action' => $wgScript,
 490                                         ];
 491                                         $options = [];
 492                                         for ( $i = 1; $i <= $count; $i++ ) {
 493                                                 $options[] = Xml::option( $lang->formatNum( $i ), $i, $i == $page );
 494                                         }
 495                                         $select = Xml::tags( 'select',
 496                                                 [ 'id' => 'pageselector', 'name' => 'page' ],
 497                                                 implode( "\n", $options ) );
 498
 499                                         $out->addHTML(
 500                                                 '</td><td><div class="multipageimagenavbox">' .
 501                                                 Xml::openElement( 'form', $formParams ) .
 502                                                 Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
 503                                                 $this->getContext()->msg( 'imgmultigoto' )->rawParams( $select )->parse() .
 504                                                 $this->getContext()->msg( 'word-separator' )->escaped() .
 505                                                 Xml::submitButton( $this->getContext()->msg( 'imgmultigo' )->text() ) .
 506                                                 Xml::closeElement( 'form' ) .
 507                                                 "<hr />$thumb1\n$thumb2<br style=\"clear: both\" /></div></td></tr></table>"
 508                                         );
 509                                 }
 510                         } elseif ( $this->displayImg->isSafeFile() ) {
 511                                 # if direct link is allowed but it's not a renderable image, show an icon.
 512                                 $icon = $this->displayImg->iconThumb();
 513
 514                                 $out->addHTML( '<div class="fullImageLink" id="file">' .
 515                                         $icon->toHtml( [ 'file-link' => true ] ) .
 516                                         "</div>\n" );
 517                         }
 518
 519                         $longDesc = $this->getContext()->msg( 'parentheses', $this->displayImg->getLongDesc() )->text();
 520
 521                         $handler = $this->displayImg->getHandler();
 522
 523                         // If this is a filetype with potential issues, warn the user.
 524                         if ( $handler ) {
 525                                 $warningConfig = $handler->getWarningConfig( $this->displayImg );
 526
 527                                 if ( $warningConfig !== null ) {
 528                                         // The warning will be displayed via CSS and JavaScript.
 529                                         // We just need to tell the client side what message to use.
 530                                         $output = $this->getContext()->getOutput();
 531                                         $output->addJsConfigVars( 'wgFileWarning', $warningConfig );
 532                                         $output->addModules( $warningConfig['module'] );
 533                                         $output->addModules( 'mediawiki.filewarning' );
 534                                 }
 535                         }
 536
 537                         $medialink = "[[Media:$filename|$linktext]]";
 538
 539                         if ( !$this->displayImg->isSafeFile() ) {
 540                                 $warning = $this->getContext()->msg( 'mediawarning' )->plain();
 541                                 // dirmark is needed here to separate the file name, which
 542                                 // most likely ends in Latin characters, from the description,
 543                                 // which may begin with the file type. In RTL environment
 544                                 // this will get messy.
 545                                 // The dirmark, however, must not be immediately adjacent
 546                                 // to the filename, because it can get copied with it.
 547                                 // See T27277.
 548                                 // phpcs:disable Generic.Files.LineLength
 549                                 $out->wrapWikiTextAsInterface( 'fullMedia', <<<EOT
 550 <span class="dangerousLink">{$medialink}</span> $dirmark<span class="fileInfo">$longDesc</span>
 551 EOT
 552                                 );
 553                                 // phpcs:enable
 554                                 $out->wrapWikiTextAsInterface( 'mediaWarning', $warning );
 555                         } else {
 556                                 $out->wrapWikiTextAsInterface( 'fullMedia', <<<EOT
 557 {$medialink} {$dirmark}<span class="fileInfo">$longDesc</span>
 558 EOT
 559                                 );
 560                         }
 561
 562                         $renderLangOptions = $this->displayImg->getAvailableLanguages();
 563                         if ( count( $renderLangOptions ) >= 1 ) {
 564                                 $out->addHTML( $this->doRenderLangOpt( $renderLangOptions, $renderLang ) );
 565                         }
 566
 567                         // Add cannot animate thumbnail warning
 568                         if ( !$this->displayImg->canAnimateThumbIfAppropriate() ) {
 569                                 // Include the extension so wiki admins can
 570                                 // customize it on a per file-type basis
 571                                 // (aka say things like use format X instead).
 572                                 // additionally have a specific message for
 573                                 // file-no-thumb-animation-gif
 574                                 $ext = $this->displayImg->getExtension();
 575                                 $noAnimMesg = wfMessageFallback(
 576                                         'file-no-thumb-animation-' . $ext,
 577                                         'file-no-thumb-animation'
 578                                 )->plain();
 579
 580                                 $out->wrapWikiTextAsInterface( 'mw-noanimatethumb', $noAnimMesg );
 581                         }
 582
 583                         if ( !$this->displayImg->isLocal() ) {
 584                                 $this->printSharedImageText();
 585                         }
 586                 } else {
 587                         # Image does not exist
 588                         if ( !$this->getId() ) {
 589                                 $dbr = wfGetDB( DB_REPLICA );
 590
 591                                 # No article exists either
 592                                 # Show deletion log to be consistent with normal articles
 593                                 LogEventsList::showLogExtract(
 594                                         $out,
 595                                         [ 'delete', 'move', 'protect' ],
 596                                         $this->getTitle()->getPrefixedText(),
 597                                         '',
 598                                         [ 'lim' => 10,
 599                                                 'conds' => [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ],
 600                                                 'showIfEmpty' => false,
 601                                                 'msgKey' => [ 'moveddeleted-notice' ]
 602                                         ]
 603                                 );
 604                         }
 605
 606                         if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) {
 607                                 // Only show an upload link if the user can upload
 608                                 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
 609                                 $nofile = [
 610                                         'filepage-nofile-link',
 611                                         $uploadTitle->getFullURL( [ 'wpDestFile' => $this->mPage->getFile()->getName() ] )
 612                                 ];
 613                         } else {
 614                                 $nofile = 'filepage-nofile';
 615                         }
 616                         // Note, if there is an image description page, but
 617                         // no image, then this setRobotPolicy is overridden
 618                         // by Article::View().
 619                         $out->setRobotPolicy( 'noindex,nofollow' );
 620                         $out->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
 621                         if ( !$this->getId() && $wgSend404Code ) {
 622                                 // If there is no image, no shared image, and no description page,
 623                                 // output a 404, to be consistent with Article::showMissingArticle.
 624                                 $request->response()->statusHeader( 404 );
 625                         }
 626                 }
 627                 $out->setFileVersion( $this->displayImg );
 628         }
 629
 630         /**
 631          * Make the text under the image to say what size preview
 632          *
 633          * @param array $params parameters for thumbnail
 634          * @param string $sizeLinkBigImagePreview HTML for the current size
 635          * @return string HTML output
 636          */
 637         protected function getThumbPrevText( $params, $sizeLinkBigImagePreview ) {
 638                 if ( $sizeLinkBigImagePreview ) {
 639                         // Show a different message of preview is different format from original.
 640                         $previewTypeDiffers = false;
 641                         $origExt = $thumbExt = $this->displayImg->getExtension();
 642                         if ( $this->displayImg->getHandler() ) {
 643                                 $origMime = $this->displayImg->getMimeType();
 644                                 $typeParams = $params;
 645                                 $this->displayImg->getHandler()->normaliseParams( $this->displayImg, $typeParams );
 646                                 list( $thumbExt, $thumbMime ) = $this->displayImg->getHandler()->getThumbType(
 647                                         $origExt, $origMime, $typeParams );
 648                                 if ( $thumbMime !== $origMime ) {
 649                                         $previewTypeDiffers = true;
 650                                 }
 651                         }
 652                         if ( $previewTypeDiffers ) {
 653                                 return $this->getContext()->msg( 'show-big-image-preview-differ' )->
 654                                         rawParams( $sizeLinkBigImagePreview )->
 655                                         params( strtoupper( $origExt ) )->
 656                                         params( strtoupper( $thumbExt ) )->
 657                                         parse();
 658                         } else {
 659                                 return $this->getContext()->msg( 'show-big-image-preview' )->
 660                                         rawParams( $sizeLinkBigImagePreview )->
 661                                 parse();
 662                         }
 663                 } else {
 664                         return '';
 665                 }
 666         }
 667
 668         /**
 669          * Creates an thumbnail of specified size and returns an HTML link to it
 670          * @param array $params Scaler parameters
 671          * @param int $width
 672          * @param int $height
 673          * @return string
 674          */
 675         protected function makeSizeLink( $params, $width, $height ) {
 676                 $params['width'] = $width;
 677                 $params['height'] = $height;
 678                 $thumbnail = $this->displayImg->transform( $params );
 679                 if ( $thumbnail && !$thumbnail->isError() ) {
 680                         return Html::rawElement( 'a', [
 681                                 'href' => $thumbnail->getUrl(),
 682                                 'class' => 'mw-thumbnail-link'
 683                                 ], $this->getContext()->msg( 'show-big-image-size' )->numParams(
 684                                         $thumbnail->getWidth(), $thumbnail->getHeight()
 685                                 )->parse() );
 686                 } else {
 687                         return '';
 688                 }
 689         }
 690
 691         /**
 692          * Show a notice that the file is from a shared repository
 693          */
 694         protected function printSharedImageText() {
 695                 $out = $this->getContext()->getOutput();
 696                 $this->loadFile();
 697
 698                 $descUrl = $this->mPage->getFile()->getDescriptionUrl();
 699                 $descText = $this->mPage->getFile()->getDescriptionText( $this->getContext()->getLanguage() );
 700
 701                 /* Add canonical to head if there is no local page for this shared file */
 702                 if ( $descUrl && $this->mPage->getId() == 0 ) {
 703                         $out->setCanonicalUrl( $descUrl );
 704                 }
 705
 706                 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
 707                 $repo = $this->mPage->getFile()->getRepo()->getDisplayName();
 708
 709                 if ( $descUrl &&
 710                         $descText &&
 711                         $this->getContext()->msg( 'sharedupload-desc-here' )->plain() !== '-'
 712                 ) {
 713                         $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-here', $repo, $descUrl ] );
 714                 } elseif ( $descUrl &&
 715                         $this->getContext()->msg( 'sharedupload-desc-there' )->plain() !== '-'
 716                 ) {
 717                         $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-there', $repo, $descUrl ] );
 718                 } else {
 719                         $out->wrapWikiMsg( $wrap, [ 'sharedupload', $repo ], ''/*BACKCOMPAT*/ );
 720                 }
 721
 722                 if ( $descText ) {
 723                         $this->mExtraDescription = $descText;
 724                 }
 725         }
 726
 727         public function getUploadUrl() {
 728                 $this->loadFile();
 729                 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
 730                 return $uploadTitle->getFullURL( [
 731                         'wpDestFile' => $this->mPage->getFile()->getName(),
 732                         'wpForReUpload' => 1
 733                 ] );
 734         }
 735
 736         /**
 737          * Add the re-upload link (or message about not being able to re-upload) to the output.
 738          */
 739         protected function uploadLinksBox() {
 740                 if ( !$this->getContext()->getConfig()->get( 'EnableUploads' ) ) {
 741                         return;
 742                 }
 743
 744                 $this->loadFile();
 745                 if ( !$this->mPage->getFile()->isLocal() ) {
 746                         return;
 747                 }
 748
 749                 $canUpload = MediaWikiServices::getInstance()->getPermissionManager()
 750                         ->quickUserCan( 'upload', $this->getContext()->getUser(), $this->getTitle() );
 751                 if ( $canUpload && UploadBase::userCanReUpload(
 752                                 $this->getContext()->getUser(),
 753                                 $this->mPage->getFile() )
 754                 ) {
 755                         // "Upload a new version of this file" link
 756                         $ulink = Linker::makeExternalLink(
 757                                 $this->getUploadUrl(),
 758                                 $this->getContext()->msg( 'uploadnewversion-linktext' )->text()
 759                         );
 760                         $attrs = [ 'class' => 'plainlinks', 'id' => 'mw-imagepage-reupload-link' ];
 761                         $linkPara = Html::rawElement( 'p', $attrs, $ulink );
 762                 } else {
 763                         // "You cannot overwrite this file." message
 764                         $attrs = [ 'id' => 'mw-imagepage-upload-disallowed' ];
 765                         $msg = $this->getContext()->msg( 'upload-disallowed-here' )->text();
 766                         $linkPara = Html::element( 'p', $attrs, $msg );
 767                 }
 768
 769                 $uploadLinks = Html::rawElement( 'div', [ 'class' => 'mw-imagepage-upload-links' ], $linkPara );
 770                 $this->getContext()->getOutput()->addHTML( $uploadLinks );
 771         }
 772
 773         /**
 774          * For overloading
 775          */
 776         protected function closeShowImage() {
 777         }
 778
 779         /**
 780          * If the page we've just displayed is in the "Image" namespace,
 781          * we follow it with an upload history of the image and its usage.
 782          */
 783         protected function imageHistory() {
 784                 $this->loadFile();
 785                 $out = $this->getContext()->getOutput();
 786                 $pager = new ImageHistoryPseudoPager( $this );
 787                 $out->addHTML( $pager->getBody() );
 788                 $out->preventClickjacking( $pager->getPreventClickjacking() );
 789
 790                 $this->mPage->getFile()->resetHistory(); // free db resources
 791
 792                 # Exist check because we don't want to show this on pages where an image
 793                 # doesn't exist along with the noimage message, that would suck. -ævar
 794                 if ( $this->mPage->getFile()->exists() ) {
 795                         $this->uploadLinksBox();
 796                 }
 797         }
 798
 799         /**
 800          * @param string|string[] $target
 801          * @param int $limit
 802          * @return ResultWrapper
 803          */
 804         protected function queryImageLinks( $target, $limit ) {
 805                 $dbr = wfGetDB( DB_REPLICA );
 806
 807                 return $dbr->select(
 808                         [ 'imagelinks', 'page' ],
 809                         [ 'page_namespace', 'page_title', 'il_to' ],
 810                         [ 'il_to' => $target, 'il_from = page_id' ],
 811                         __METHOD__,
 812                         [ 'LIMIT' => $limit + 1, 'ORDER BY' => 'il_from', ]
 813                 );
 814         }
 815
 816         protected function imageLinks() {
 817                 $limit = 100;
 818
 819                 $out = $this->getContext()->getOutput();
 820
 821                 $rows = [];
 822                 $redirects = [];
 823                 foreach ( $this->getTitle()->getRedirectsHere( NS_FILE ) as $redir ) {
 824                         $redirects[$redir->getDBkey()] = [];
 825                         $rows[] = (object)[
 826                                 'page_namespace' => NS_FILE,
 827                                 'page_title' => $redir->getDBkey(),
 828                         ];
 829                 }
 830
 831                 $res = $this->queryImageLinks( $this->getTitle()->getDBkey(), $limit + 1 );
 832                 foreach ( $res as $row ) {
 833                         $rows[] = $row;
 834                 }
 835                 $count = count( $rows );
 836
 837                 $hasMore = $count > $limit;
 838                 if ( !$hasMore && count( $redirects ) ) {
 839                         $res = $this->queryImageLinks( array_keys( $redirects ),
 840                                 $limit - count( $rows ) + 1 );
 841                         foreach ( $res as $row ) {
 842                                 $redirects[$row->il_to][] = $row;
 843                                 $count++;
 844                         }
 845                         $hasMore = ( $res->numRows() + count( $rows ) ) > $limit;
 846                 }
 847
 848                 if ( $count == 0 ) {
 849                         $out->wrapWikiMsg(
 850                                 Html::rawElement( 'div',
 851                                         [ 'id' => 'mw-imagepage-nolinkstoimage' ], "\n$1\n" ),
 852                                 'nolinkstoimage'
 853                         );
 854                         return;
 855                 }
 856
 857                 $out->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
 858                 if ( !$hasMore ) {
 859                         $out->addWikiMsg( 'linkstoimage', $count );
 860                 } else {
 861                         // More links than the limit. Add a link to [[Special:Whatlinkshere]]
 862                         $out->addWikiMsg( 'linkstoimage-more',
 863                                 $this->getContext()->getLanguage()->formatNum( $limit ),
 864                                 $this->getTitle()->getPrefixedDBkey()
 865                         );
 866                 }
 867
 868                 $out->addHTML(
 869                         Html::openElement( 'ul',
 870                                 [ 'class' => 'mw-imagepage-linkstoimage' ] ) . "\n"
 871                 );
 872                 $count = 0;
 873
 874                 // Sort the list by namespace:title
 875                 usort( $rows, [ $this, 'compare' ] );
 876
 877                 // Create links for every element
 878                 $currentCount = 0;
 879                 foreach ( $rows as $element ) {
 880                         $currentCount++;
 881                         if ( $currentCount > $limit ) {
 882                                 break;
 883                         }
 884
 885                         $query = [];
 886                         # Add a redirect=no to make redirect pages reachable
 887                         if ( isset( $redirects[$element->page_title] ) ) {
 888                                 $query['redirect'] = 'no';
 889                         }
 890                         $link = Linker::linkKnown(
 891                                 Title::makeTitle( $element->page_namespace, $element->page_title ),
 892                                 null, [], $query
 893                         );
 894                         if ( !isset( $redirects[$element->page_title] ) ) {
 895                                 # No redirects
 896                                 $liContents = $link;
 897                         } elseif ( count( $redirects[$element->page_title] ) === 0 ) {
 898                                 # Redirect without usages
 899                                 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )
 900                                         ->rawParams( $link, '' )
 901                                         ->parse();
 902                         } else {
 903                                 # Redirect with usages
 904                                 $li = '';
 905                                 foreach ( $redirects[$element->page_title] as $row ) {
 906                                         $currentCount++;
 907                                         if ( $currentCount > $limit ) {
 908                                                 break;
 909                                         }
 910
 911                                         $link2 = Linker::linkKnown( Title::makeTitle( $row->page_namespace, $row->page_title ) );
 912                                         $li .= Html::rawElement(
 913                                                 'li',
 914                                                 [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ],
 915                                                 $link2
 916                                                 ) . "\n";
 917                                 }
 918
 919                                 $ul = Html::rawElement(
 920                                         'ul',
 921                                         [ 'class' => 'mw-imagepage-redirectstofile' ],
 922                                         $li
 923                                         ) . "\n";
 924                                 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )->rawParams(
 925                                         $link, $ul )->parse();
 926                         }
 927                         $out->addHTML( Html::rawElement(
 928                                         'li',
 929                                         [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ],
 930                                         $liContents
 931                                 ) . "\n"
 932                         );
 933
 934                 }
 935                 $out->addHTML( Html::closeElement( 'ul' ) . "\n" );
 936                 $res->free();
 937
 938                 // Add a links to [[Special:Whatlinkshere]]
 939                 if ( $count > $limit ) {
 940                         $out->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() );
 941                 }
 942                 $out->addHTML( Html::closeElement( 'div' ) . "\n" );
 943         }
 944
 945         protected function imageDupes() {
 946                 $this->loadFile();
 947                 $out = $this->getContext()->getOutput();
 948
 949                 $dupes = $this->mPage->getDuplicates();
 950                 if ( count( $dupes ) == 0 ) {
 951                         return;
 952                 }
 953
 954                 $out->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
 955                 $out->addWikiMsg( 'duplicatesoffile',
 956                         $this->getContext()->getLanguage()->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey()
 957                 );
 958                 $out->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
 959
 960                 /**
 961                  * @var File $file
 962                  */
 963                 foreach ( $dupes as $file ) {
 964                         $fromSrc = '';
 965                         if ( $file->isLocal() ) {
 966                                 $link = Linker::linkKnown( $file->getTitle() );
 967                         } else {
 968                                 $link = Linker::makeExternalLink( $file->getDescriptionUrl(),
 969                                         $file->getTitle()->getPrefixedText() );
 970                                 $fromSrc = $this->getContext()->msg(
 971                                         'shared-repo-from',
 972                                         $file->getRepo()->getDisplayName()
 973                                 )->escaped();
 974                         }
 975                         $out->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
 976                 }
 977                 $out->addHTML( "</ul></div>\n" );
 978         }
 979
 980         /**
 981          * Delete the file, or an earlier version of it
 982          */
 983         public function delete() {
 984                 $file = $this->mPage->getFile();
 985                 if ( !$file->exists() || !$file->isLocal() || $file->getRedirected() ) {
 986                         // Standard article deletion
 987                         parent::delete();
 988                         return;
 989                 }
 990                 '@phan-var LocalFile $file';
 991
 992                 $deleter = new FileDeleteForm( $file );
 993                 $deleter->execute();
 994         }
 995
 996         /**
 997          * Display an error with a wikitext description
 998          *
 999          * @param string $description
1000          */
1001         function showError( $description ) {
1002                 $out = $this->getContext()->getOutput();
1003                 $out->setPageTitle( $this->getContext()->msg( 'internalerror' ) );
1004                 $out->setRobotPolicy( 'noindex,nofollow' );
1005                 $out->setArticleRelated( false );
1006                 $out->enableClientCache( false );
1007                 $out->addWikiTextAsInterface( $description );
1008         }
1009
1010         /**
1011          * Callback for usort() to do link sorts by (namespace, title)
1012          * Function copied from Title::compare()
1013          *
1014          * @param object $a Object page to compare with
1015          * @param object $b Object page to compare with
1016          * @return int Result of string comparison, or namespace comparison
1017          */
1018         protected function compare( $a, $b ) {
1019                 return $a->page_namespace <=> $b->page_namespace
1020                         ?: strcmp( $a->page_title, $b->page_title );
1021         }
1022
1023         /**
1024          * Returns the corresponding $wgImageLimits entry for the selected user option
1025          *
1026          * @param User $user
1027          * @param string $optionName Name of a option to check, typically imagesize or thumbsize
1028          * @return int[]
1029          * @since 1.21
1030          */
1031         public function getImageLimitsFromOption( $user, $optionName ) {
1032                 global $wgImageLimits;
1033
1034                 $option = $user->getIntOption( $optionName );
1035                 if ( !isset( $wgImageLimits[$option] ) ) {
1036                         $option = User::getDefaultOption( $optionName );
1037                 }
1038
1039                 // The user offset might still be incorrect, specially if
1040                 // $wgImageLimits got changed (see T10858).
1041                 if ( !isset( $wgImageLimits[$option] ) ) {
1042                         // Default to the first offset in $wgImageLimits
1043                         $option = 0;
1044                 }
1045
1046                 // if nothing is set, fallback to a hardcoded default
1047                 return $wgImageLimits[$option] ?? [ 800, 600 ];
1048         }
1049
1050         /**
1051          * Output a drop-down box for language options for the file
1052          *
1053          * @param array $langChoices Array of string language codes
1054          * @param string $renderLang Language code for the language we want the file to rendered in.
1055          * @return string HTML to insert underneath image.
1056          */
1057         protected function doRenderLangOpt( array $langChoices, $renderLang ) {
1058                 global $wgScript;
1059                 $opts = '';
1060
1061                 $matchedRenderLang = $this->displayImg->getMatchedLanguage( $renderLang );
1062
1063                 foreach ( $langChoices as $lang ) {
1064                         $opts .= $this->createXmlOptionStringForLanguage(
1065                                 $lang,
1066                                 $matchedRenderLang === $lang
1067                         );
1068                 }
1069
1070                 // Allow for the default case in an svg <switch> that is displayed if no
1071                 // systemLanguage attribute matches
1072                 $opts .= "\n" .
1073                         Xml::option(
1074                                 $this->getContext()->msg( 'img-lang-default' )->text(),
1075                                 'und',
1076                                 is_null( $matchedRenderLang )
1077                         );
1078
1079                 $select = Html::rawElement(
1080                         'select',
1081                         [ 'id' => 'mw-imglangselector', 'name' => 'lang' ],
1082                         $opts
1083                 );
1084                 $submit = Xml::submitButton( $this->getContext()->msg( 'img-lang-go' )->text() );
1085
1086                 $formContents = $this->getContext()->msg( 'img-lang-info' )
1087                         ->rawParams( $select, $submit )
1088                         ->parse();
1089                 $formContents .= Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() );
1090
1091                 $langSelectLine = Html::rawElement( 'div', [ 'id' => 'mw-imglangselector-line' ],
1092                         Html::rawElement( 'form', [ 'action' => $wgScript ], $formContents )
1093                 );
1094                 return $langSelectLine;
1095         }
1096
1097         /**
1098          * @param string $lang
1099          * @param bool $selected
1100          * @return string
1101          */
1102         private function createXmlOptionStringForLanguage( $lang, $selected ) {
1103                 $code = LanguageCode::bcp47( $lang );
1104                 $name = Language::fetchLanguageName( $code, $this->getContext()->getLanguage()->getCode() );
1105                 if ( $name !== '' ) {
1106                         $display = $this->getContext()->msg( 'img-lang-opt', $code, $name )->text();
1107                 } else {
1108                         $display = $code;
1109                 }
1110                 return "\n" .
1111                         Xml::option(
1112                                 $display,
1113                                 $lang,
1114                                 $selected
1115                         );
1116         }
1117
1118         /**
1119          * Get the width and height to display image at.
1120          *
1121          * @note This method assumes that it is only called if one
1122          *  of the dimensions are bigger than the max, or if the
1123          *  image is vectorized.
1124          *
1125          * @param int $maxWidth Max width to display at
1126          * @param int $maxHeight Max height to display at
1127          * @param int $width Actual width of the image
1128          * @param int $height Actual height of the image
1129          * @throws MWException
1130          * @return array Array (width, height)
1131          */
1132         protected function getDisplayWidthHeight( $maxWidth, $maxHeight, $width, $height ) {
1133                 if ( !$maxWidth || !$maxHeight ) {
1134                         // should never happen
1135                         throw new MWException( 'Using a choice from $wgImageLimits that is 0x0' );
1136                 }
1137
1138                 if ( !$width || !$height ) {
1139                         return [ 0, 0 ];
1140                 }
1141
1142                 # Calculate the thumbnail size.
1143                 if ( $width <= $maxWidth && $height <= $maxHeight ) {
1144                         // Vectorized image, do nothing.
1145                 } elseif ( $width / $height >= $maxWidth / $maxHeight ) {
1146                         # The limiting factor is the width, not the height.
1147                         $height = round( $height * $maxWidth / $width );
1148                         $width = $maxWidth;
1149                         # Note that $height <= $maxHeight now.
1150                 } else {
1151                         $newwidth = floor( $width * $maxHeight / $height );
1152                         $height = round( $height * $newwidth / $width );
1153                         $width = $newwidth;
1154                         # Note that $height <= $maxHeight now, but might not be identical
1155                         # because of rounding.
1156                 }
1157                 return [ $width, $height ];
1158         }
1159
1160         /**
1161          * Get alternative thumbnail sizes.
1162          *
1163          * @note This will only list several alternatives if thumbnails are rendered on 404
1164          * @param int $origWidth Actual width of image
1165          * @param int $origHeight Actual height of image
1166          * @return array An array of [width, height] pairs.
1167          */
1168         protected function getThumbSizes( $origWidth, $origHeight ) {
1169                 global $wgImageLimits;
1170                 if ( $this->displayImg->getRepo()->canTransformVia404() ) {
1171                         $thumbSizes = $wgImageLimits;
1172                         // Also include the full sized resolution in the list, so
1173                         // that users know they can get it. This will link to the
1174                         // original file asset if mustRender() === false. In the case
1175                         // that we mustRender, some users have indicated that they would
1176                         // find it useful to have the full size image in the rendered
1177                         // image format.
1178                         $thumbSizes[] = [ $origWidth, $origHeight ];
1179                 } else {
1180                         # Creating thumb links triggers thumbnail generation.
1181                         # Just generate the thumb for the current users prefs.
1182                         $thumbSizes = [
1183                                 $this->getImageLimitsFromOption( $this->getContext()->getUser(), 'thumbsize' )
1184                         ];
1185                         if ( !$this->displayImg->mustRender() ) {
1186                                 // We can safely include a link to the "full-size" preview,
1187                                 // without actually rendering.
1188                                 $thumbSizes[] = [ $origWidth, $origHeight ];
1189                         }
1190                 }
1191                 return $thumbSizes;
1192         }
1193
1194         /**
1195          * @see WikiFilePage::getFile
1196          * @return bool|File
1197          */
1198         public function getFile() {
1199                 return $this->mPage->getFile();
1200         }
1201
1202         /**
1203          * @see WikiFilePage::isLocal
1204          * @return bool
1205          */
1206         public function isLocal() {
1207                 return $this->mPage->isLocal();
1208         }
1209
1210         /**
1211          * @see WikiFilePage::getDuplicates
1212          * @return array|null
1213          */
1214         public function getDuplicates() {
1215                 return $this->mPage->getDuplicates();
1216         }
1217
1218         /**
1219          * @see WikiFilePage::getForeignCategories
1220          * @return TitleArray|Title[]
1221          */
1222         public function getForeignCategories() {
1223                 return $this->mPage->getForeignCategories();
1224         }
1225
1226 }