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 Wikimedia\Rdbms\ResultWrapper;
  24
  25 /**
  26  * Class for viewing MediaWiki file description pages
  27  *
  28  * @ingroup Media
  29  */
  30 class ImagePage extends Article {
  31         /** @var File */
  32         private $displayImg;
  33
  34         /** @var FileRepo */
  35         private $repo;
  36
  37         /** @var bool */
  38         private $fileLoaded;
  39
  40         /** @var bool */
  41         protected $mExtraDescription = false;
  42
  43         /**
  44          * @var WikiFilePage
  45          */
  46         protected $mPage;
  47
  48         /**
  49          * @param Title $title
  50          * @return WikiFilePage
  51          */
  52         protected function newPage( Title $title ) {
  53                 // Overload mPage with a file-specific page
  54                 return new WikiFilePage( $title );
  55         }
  56
  57         /**
  58          * @param File $file
  59          * @return void
  60          */
  61         public function setFile( $file ) {
  62                 $this->mPage->setFile( $file );
  63                 $this->displayImg = $file;
  64                 $this->fileLoaded = true;
  65         }
  66
  67         protected function loadFile() {
  68                 if ( $this->fileLoaded ) {
  69                         return;
  70                 }
  71                 $this->fileLoaded = true;
  72
  73                 $this->displayImg = $img = false;
  74
  75                 Hooks::run( 'ImagePageFindFile', [ $this, &$img, &$this->displayImg ] );
  76                 if ( !$img ) { // not set by hook?
  77                         $img = wfFindFile( $this->getTitle() );
  78                         if ( !$img ) {
  79                                 $img = wfLocalFile( $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         /**
  90          * Handler for action=render
  91          * Include body text only; none of the image extras
  92          */
  93         public function render() {
  94                 $this->getContext()->getOutput()->setArticleBodyOnly( true );
  95                 parent::view();
  96         }
  97
  98         public function view() {
  99                 global $wgShowEXIF;
 100
 101                 $out = $this->getContext()->getOutput();
 102                 $request = $this->getContext()->getRequest();
 103                 $diff = $request->getVal( 'diff' );
 104                 $diffOnly = $request->getBool(
 105                         'diffonly',
 106                         $this->getContext()->getUser()->getOption( 'diffonly' )
 107                 );
 108
 109                 if ( $this->getTitle()->getNamespace() != NS_FILE || ( $diff !== null && $diffOnly ) ) {
 110                         parent::view();
 111                         return;
 112                 }
 113
 114                 $this->loadFile();
 115
 116                 if ( $this->getTitle()->getNamespace() == NS_FILE && $this->mPage->getFile()->getRedirected() ) {
 117                         if ( $this->getTitle()->getDBkey() == $this->mPage->getFile()->getName() || $diff !== null ) {
 118                                 $request->setVal( 'diffonly', 'true' );
 119                         }
 120
 121                         parent::view();
 122                         return;
 123                 }
 124
 125                 if ( $wgShowEXIF && $this->displayImg->exists() ) {
 126                         // @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
 127                         $formattedMetadata = $this->displayImg->formatMetadata( $this->getContext() );
 128                         $showmeta = $formattedMetadata !== false;
 129                 } else {
 130                         $showmeta = false;
 131                 }
 132
 133                 if ( !$diff && $this->displayImg->exists() ) {
 134                         $out->addHTML( $this->showTOC( $showmeta ) );
 135                 }
 136
 137                 if ( !$diff ) {
 138                         $this->openShowImage();
 139                 }
 140
 141                 # No need to display noarticletext, we use our own message, output in openShowImage()
 142                 if ( $this->mPage->getId() ) {
 143                         # NS_FILE is in the user language, but this section (the actual wikitext)
 144                         # should be in page content language
 145                         $pageLang = $this->getTitle()->getPageViewLanguage();
 146                         $out->addHTML( Xml::openElement( 'div', [ 'id' => 'mw-imagepage-content',
 147                                 'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(),
 148                                 'class' => 'mw-content-' . $pageLang->getDir() ] ) );
 149
 150                         parent::view();
 151
 152                         $out->addHTML( Xml::closeElement( 'div' ) );
 153                 } else {
 154                         # Just need to set the right headers
 155                         $out->setArticleFlag( true );
 156                         $out->setPageTitle( $this->getTitle()->getPrefixedText() );
 157                         $this->mPage->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
 158                 }
 159
 160                 # Show shared description, if needed
 161                 if ( $this->mExtraDescription ) {
 162                         $fol = $this->getContext()->msg( 'shareddescriptionfollows' );
 163                         if ( !$fol->isDisabled() ) {
 164                                 $out->addWikiText( $fol->plain() );
 165                         }
 166                         $out->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription . "</div>\n" );
 167                 }
 168
 169                 $this->closeShowImage();
 170                 $this->imageHistory();
 171                 // TODO: Cleanup the following
 172
 173                 $out->addHTML( Xml::element( 'h2',
 174                         [ 'id' => 'filelinks' ],
 175                                 $this->getContext()->msg( 'imagelinks' )->text() ) . "\n" );
 176                 $this->imageDupes();
 177                 # @todo FIXME: For some freaky reason, we can't redirect to foreign images.
 178                 # Yet we return metadata about the target. Definitely an issue in the FileRepo
 179                 $this->imageLinks();
 180
 181                 # Allow extensions to add something after the image links
 182                 $html = '';
 183                 Hooks::run( 'ImagePageAfterImageLinks', [ $this, &$html ] );
 184                 if ( $html ) {
 185                         $out->addHTML( $html );
 186                 }
 187
 188                 if ( $showmeta ) {
 189                         $out->addHTML( Xml::element(
 190                                 'h2',
 191                                 [ 'id' => 'metadata' ],
 192                                         $this->getContext()->msg( 'metadata' )->text() ) . "\n" );
 193                         $out->addWikiText( $this->makeMetadataTable( $formattedMetadata ) );
 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 = "<div class=\"mw-imagepage-section-metadata\">";
 253                 $r .= $this->getContext()->msg( 'metadata-help' )->plain();
 254                 $r .= "<table id=\"mw_metadata\" class=\"mw_metadata\">\n";
 255                 foreach ( $metadata as $type => $stuff ) {
 256                         foreach ( $stuff as $v ) {
 257                                 # @todo FIXME: Why is this using escapeId for a class?!
 258                                 $class = Sanitizer::escapeId( $v['id'] );
 259                                 if ( $type == 'collapsed' ) {
 260                                         // Handled by mediawiki.action.view.metadata module.
 261                                         $class .= ' collapsable';
 262                                 }
 263                                 $r .= "<tr class=\"$class\">\n";
 264                                 $r .= "<th>{$v['name']}</th>\n";
 265                                 $r .= "<td>{$v['value']}</td>\n</tr>";
 266                         }
 267                 }
 268                 $r .= "</table>\n</div>\n";
 269                 return $r;
 270         }
 271
 272         /**
 273          * Overloading Article's getContentObject method.
 274          *
 275          * Omit noarticletext if sharedupload; text will be fetched from the
 276          * shared upload server if possible.
 277          * @return string
 278          */
 279         public function getContentObject() {
 280                 $this->loadFile();
 281                 if ( $this->mPage->getFile() && !$this->mPage->getFile()->isLocal() && 0 == $this->getId() ) {
 282                         return null;
 283                 }
 284                 return parent::getContentObject();
 285         }
 286
 287         protected function openShowImage() {
 288                 global $wgEnableUploads, $wgSend404Code, $wgSVGMaxSize;
 289
 290                 $this->loadFile();
 291                 $out = $this->getContext()->getOutput();
 292                 $user = $this->getContext()->getUser();
 293                 $lang = $this->getContext()->getLanguage();
 294                 $dirmark = $lang->getDirMarkEntity();
 295                 $request = $this->getContext()->getRequest();
 296
 297                 $max = $this->getImageLimitsFromOption( $user, 'imagesize' );
 298                 $maxWidth = $max[0];
 299                 $maxHeight = $max[1];
 300
 301                 if ( $this->displayImg->exists() ) {
 302                         # image
 303                         $page = $request->getIntOrNull( 'page' );
 304                         if ( is_null( $page ) ) {
 305                                 $params = [];
 306                                 $page = 1;
 307                         } else {
 308                                 $params = [ 'page' => $page ];
 309                         }
 310
 311                         $renderLang = $request->getVal( 'lang' );
 312                         if ( !is_null( $renderLang ) ) {
 313                                 $handler = $this->displayImg->getHandler();
 314                                 if ( $handler && $handler->validateParam( 'lang', $renderLang ) ) {
 315                                         $params['lang'] = $renderLang;
 316                                 } else {
 317                                         $renderLang = null;
 318                                 }
 319                         }
 320
 321                         $width_orig = $this->displayImg->getWidth( $page );
 322                         $width = $width_orig;
 323                         $height_orig = $this->displayImg->getHeight( $page );
 324                         $height = $height_orig;
 325
 326                         $filename = wfEscapeWikiText( $this->displayImg->getName() );
 327                         $linktext = $filename;
 328
 329                         // Avoid PHP 7.1 warning from passing $this by reference
 330                         $imagePage = $this;
 331
 332                         Hooks::run( 'ImageOpenShowImageInlineBefore', [ &$imagePage, &$out ] );
 333
 334                         if ( $this->displayImg->allowInlineDisplay() ) {
 335                                 # image
 336                                 # "Download high res version" link below the image
 337                                 # $msgsize = $this->getContext()->msg( 'file-info-size', $width_orig, $height_orig,
 338                                 #   Linker::formatSize( $this->displayImg->getSize() ), $mime )->escaped();
 339                                 # We'll show a thumbnail of this image
 340                                 if ( $width > $maxWidth || $height > $maxHeight || $this->displayImg->isVectorized() ) {
 341                                         list( $width, $height ) = $this->getDisplayWidthHeight(
 342                                                 $maxWidth, $maxHeight, $width, $height
 343                                         );
 344                                         $linktext = $this->getContext()->msg( 'show-big-image' )->escaped();
 345
 346                                         $thumbSizes = $this->getThumbSizes( $width_orig, $height_orig );
 347                                         # Generate thumbnails or thumbnail links as needed...
 348                                         $otherSizes = [];
 349                                         foreach ( $thumbSizes as $size ) {
 350                                                 // We include a thumbnail size in the list, if it is
 351                                                 // less than or equal to the original size of the image
 352                                                 // asset ($width_orig/$height_orig). We also exclude
 353                                                 // the current thumbnail's size ($width/$height)
 354                                                 // since that is added to the message separately, so
 355                                                 // it can be denoted as the current size being shown.
 356                                                 // Vectorized images are limited by $wgSVGMaxSize big,
 357                                                 // so all thumbs less than or equal that are shown.
 358                                                 if ( ( ( $size[0] <= $width_orig && $size[1] <= $height_orig )
 359                                                                 || ( $this->displayImg->isVectorized()
 360                                                                         && max( $size[0], $size[1] ) <= $wgSVGMaxSize )
 361                                                         )
 362                                                         && $size[0] != $width && $size[1] != $height
 363                                                 ) {
 364                                                         $sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] );
 365                                                         if ( $sizeLink ) {
 366                                                                 $otherSizes[] = $sizeLink;
 367                                                         }
 368                                                 }
 369                                         }
 370                                         $otherSizes = array_unique( $otherSizes );
 371
 372                                         $sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height );
 373                                         $msgsmall = $this->getThumbPrevText( $params, $sizeLinkBigImagePreview );
 374                                         if ( count( $otherSizes ) ) {
 375                                                 $msgsmall .= ' ' .
 376                                                 Html::rawElement(
 377                                                         'span',
 378                                                         [ 'class' => 'mw-filepage-other-resolutions' ],
 379                                                         $this->getContext()->msg( 'show-big-image-other' )
 380                                                                 ->rawParams( $lang->pipeList( $otherSizes ) )
 381                                                                 ->params( count( $otherSizes ) )
 382                                                                 ->parse()
 383                                                 );
 384                                         }
 385                                 } elseif ( $width == 0 && $height == 0 ) {
 386                                         # Some sort of audio file that doesn't have dimensions
 387                                         # Don't output a no hi res message for such a file
 388                                         $msgsmall = '';
 389                                 } else {
 390                                         # Image is small enough to show full size on image page
 391                                         $msgsmall = $this->getContext()->msg( 'file-nohires' )->parse();
 392                                 }
 393
 394                                 $params['width'] = $width;
 395                                 $params['height'] = $height;
 396                                 $thumbnail = $this->displayImg->transform( $params );
 397                                 Linker::processResponsiveImages( $this->displayImg, $thumbnail, $params );
 398
 399                                 $anchorclose = Html::rawElement(
 400                                         'div',
 401                                         [ 'class' => 'mw-filepage-resolutioninfo' ],
 402                                         $msgsmall
 403                                 );
 404
 405                                 $isMulti = $this->displayImg->isMultipage() && $this->displayImg->pageCount() > 1;
 406                                 if ( $isMulti ) {
 407                                         $out->addModules( 'mediawiki.page.image.pagination' );
 408                                         $out->addHTML( '<table class="multipageimage"><tr><td>' );
 409                                 }
 410
 411                                 if ( $thumbnail ) {
 412                                         $options = [
 413                                                 'alt' => $this->displayImg->getTitle()->getPrefixedText(),
 414                                                 'file-link' => true,
 415                                         ];
 416                                         $out->addHTML( '<div class="fullImageLink" id="file">' .
 417                                                 $thumbnail->toHtml( $options ) .
 418                                                 $anchorclose . "</div>\n" );
 419                                 }
 420
 421                                 if ( $isMulti ) {
 422                                         $count = $this->displayImg->pageCount();
 423
 424                                         if ( $page > 1 ) {
 425                                                 $label = $this->getContext()->msg( 'imgmultipageprev' )->text();
 426                                                 // on the client side, this link is generated in ajaxifyPageNavigation()
 427                                                 // in the mediawiki.page.image.pagination module
 428                                                 $link = Linker::linkKnown(
 429                                                         $this->getTitle(),
 430                                                         $label,
 431                                                         [],
 432                                                         [ 'page' => $page - 1 ]
 433                                                 );
 434                                                 $thumb1 = Linker::makeThumbLinkObj(
 435                                                         $this->getTitle(),
 436                                                         $this->displayImg,
 437                                                         $link,
 438                                                         $label,
 439                                                         'none',
 440                                                         [ 'page' => $page - 1 ]
 441                                                 );
 442                                         } else {
 443                                                 $thumb1 = '';
 444                                         }
 445
 446                                         if ( $page < $count ) {
 447                                                 $label = $this->getContext()->msg( 'imgmultipagenext' )->text();
 448                                                 $link = Linker::linkKnown(
 449                                                         $this->getTitle(),
 450                                                         $label,
 451                                                         [],
 452                                                         [ 'page' => $page + 1 ]
 453                                                 );
 454                                                 $thumb2 = Linker::makeThumbLinkObj(
 455                                                         $this->getTitle(),
 456                                                         $this->displayImg,
 457                                                         $link,
 458                                                         $label,
 459                                                         'none',
 460                                                         [ 'page' => $page + 1 ]
 461                                                 );
 462                                         } else {
 463                                                 $thumb2 = '';
 464                                         }
 465
 466                                         global $wgScript;
 467
 468                                         $formParams = [
 469                                                 'name' => 'pageselector',
 470                                                 'action' => $wgScript,
 471                                         ];
 472                                         $options = [];
 473                                         for ( $i = 1; $i <= $count; $i++ ) {
 474                                                 $options[] = Xml::option( $lang->formatNum( $i ), $i, $i == $page );
 475                                         }
 476                                         $select = Xml::tags( 'select',
 477                                                 [ 'id' => 'pageselector', 'name' => 'page' ],
 478                                                 implode( "\n", $options ) );
 479
 480                                         $out->addHTML(
 481                                                 '</td><td><div class="multipageimagenavbox">' .
 482                                                 Xml::openElement( 'form', $formParams ) .
 483                                                 Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
 484                                                 $this->getContext()->msg( 'imgmultigoto' )->rawParams( $select )->parse() .
 485                                                 $this->getContext()->msg( 'word-separator' )->escaped() .
 486                                                 Xml::submitButton( $this->getContext()->msg( 'imgmultigo' )->text() ) .
 487                                                 Xml::closeElement( 'form' ) .
 488                                                 "<hr />$thumb1\n$thumb2<br style=\"clear: both\" /></div></td></tr></table>"
 489                                         );
 490                                 }
 491                         } elseif ( $this->displayImg->isSafeFile() ) {
 492                                 # if direct link is allowed but it's not a renderable image, show an icon.
 493                                 $icon = $this->displayImg->iconThumb();
 494
 495                                 $out->addHTML( '<div class="fullImageLink" id="file">' .
 496                                         $icon->toHtml( [ 'file-link' => true ] ) .
 497                                         "</div>\n" );
 498                         }
 499
 500                         $longDesc = $this->getContext()->msg( 'parentheses', $this->displayImg->getLongDesc() )->text();
 501
 502                         $handler = $this->displayImg->getHandler();
 503
 504                         // If this is a filetype with potential issues, warn the user.
 505                         if ( $handler ) {
 506                                 $warningConfig = $handler->getWarningConfig( $this->displayImg );
 507
 508                                 if ( $warningConfig !== null ) {
 509                                         // The warning will be displayed via CSS and JavaScript.
 510                                         // We just need to tell the client side what message to use.
 511                                         $output = $this->getContext()->getOutput();
 512                                         $output->addJsConfigVars( 'wgFileWarning', $warningConfig );
 513                                         $output->addModules( $warningConfig['module'] );
 514                                         $output->addModules( 'mediawiki.filewarning' );
 515                                 }
 516                         }
 517
 518                         $medialink = "[[Media:$filename|$linktext]]";
 519
 520                         if ( !$this->displayImg->isSafeFile() ) {
 521                                 $warning = $this->getContext()->msg( 'mediawarning' )->plain();
 522                                 // dirmark is needed here to separate the file name, which
 523                                 // most likely ends in Latin characters, from the description,
 524                                 // which may begin with the file type. In RTL environment
 525                                 // this will get messy.
 526                                 // The dirmark, however, must not be immediately adjacent
 527                                 // to the filename, because it can get copied with it.
 528                                 // See T27277.
 529                                 // @codingStandardsIgnoreStart Ignore long line
 530                                 $out->addWikiText( <<<EOT
 531 <div class="fullMedia"><span class="dangerousLink">{$medialink}</span> $dirmark<span class="fileInfo">$longDesc</span></div>
 532 <div class="mediaWarning">$warning</div>
 533 EOT
 534                                 );
 535                                 // @codingStandardsIgnoreEnd
 536                         } else {
 537                                 $out->addWikiText( <<<EOT
 538 <div class="fullMedia">{$medialink} {$dirmark}<span class="fileInfo">$longDesc</span>
 539 </div>
 540 EOT
 541                                 );
 542                         }
 543
 544                         $renderLangOptions = $this->displayImg->getAvailableLanguages();
 545                         if ( count( $renderLangOptions ) >= 1 ) {
 546                                 $currentLanguage = $renderLang;
 547                                 $defaultLang = $this->displayImg->getDefaultRenderLanguage();
 548                                 if ( is_null( $currentLanguage ) ) {
 549                                         $currentLanguage = $defaultLang;
 550                                 }
 551                                 $out->addHTML( $this->doRenderLangOpt( $renderLangOptions, $currentLanguage, $defaultLang ) );
 552                         }
 553
 554                         // Add cannot animate thumbnail warning
 555                         if ( !$this->displayImg->canAnimateThumbIfAppropriate() ) {
 556                                 // Include the extension so wiki admins can
 557                                 // customize it on a per file-type basis
 558                                 // (aka say things like use format X instead).
 559                                 // additionally have a specific message for
 560                                 // file-no-thumb-animation-gif
 561                                 $ext = $this->displayImg->getExtension();
 562                                 $noAnimMesg = wfMessageFallback(
 563                                         'file-no-thumb-animation-' . $ext,
 564                                         'file-no-thumb-animation'
 565                                 )->plain();
 566
 567                                 $out->addWikiText( <<<EOT
 568 <div class="mw-noanimatethumb">{$noAnimMesg}</div>
 569 EOT
 570                                 );
 571                         }
 572
 573                         if ( !$this->displayImg->isLocal() ) {
 574                                 $this->printSharedImageText();
 575                         }
 576                 } else {
 577                         # Image does not exist
 578                         if ( !$this->getId() ) {
 579                                 $dbr = wfGetDB( DB_REPLICA );
 580
 581                                 # No article exists either
 582                                 # Show deletion log to be consistent with normal articles
 583                                 LogEventsList::showLogExtract(
 584                                         $out,
 585                                         [ 'delete', 'move' ],
 586                                         $this->getTitle()->getPrefixedText(),
 587                                         '',
 588                                         [ 'lim' => 10,
 589                                                 'conds' => [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ],
 590                                                 'showIfEmpty' => false,
 591                                                 'msgKey' => [ 'moveddeleted-notice' ]
 592                                         ]
 593                                 );
 594                         }
 595
 596                         if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) {
 597                                 // Only show an upload link if the user can upload
 598                                 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
 599                                 $nofile = [
 600                                         'filepage-nofile-link',
 601                                         $uploadTitle->getFullURL( [ 'wpDestFile' => $this->mPage->getFile()->getName() ] )
 602                                 ];
 603                         } else {
 604                                 $nofile = 'filepage-nofile';
 605                         }
 606                         // Note, if there is an image description page, but
 607                         // no image, then this setRobotPolicy is overridden
 608                         // by Article::View().
 609                         $out->setRobotPolicy( 'noindex,nofollow' );
 610                         $out->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
 611                         if ( !$this->getId() && $wgSend404Code ) {
 612                                 // If there is no image, no shared image, and no description page,
 613                                 // output a 404, to be consistent with Article::showMissingArticle.
 614                                 $request->response()->statusHeader( 404 );
 615                         }
 616                 }
 617                 $out->setFileVersion( $this->displayImg );
 618         }
 619
 620         /**
 621          * Make the text under the image to say what size preview
 622          *
 623          * @param $params array parameters for thumbnail
 624          * @param $sizeLinkBigImagePreview HTML for the current size
 625          * @return string HTML output
 626          */
 627         private function getThumbPrevText( $params, $sizeLinkBigImagePreview ) {
 628                 if ( $sizeLinkBigImagePreview ) {
 629                         // Show a different message of preview is different format from original.
 630                         $previewTypeDiffers = false;
 631                         $origExt = $thumbExt = $this->displayImg->getExtension();
 632                         if ( $this->displayImg->getHandler() ) {
 633                                 $origMime = $this->displayImg->getMimeType();
 634                                 $typeParams = $params;
 635                                 $this->displayImg->getHandler()->normaliseParams( $this->displayImg, $typeParams );
 636                                 list( $thumbExt, $thumbMime ) = $this->displayImg->getHandler()->getThumbType(
 637                                         $origExt, $origMime, $typeParams );
 638                                 if ( $thumbMime !== $origMime ) {
 639                                         $previewTypeDiffers = true;
 640                                 }
 641                         }
 642                         if ( $previewTypeDiffers ) {
 643                                 return $this->getContext()->msg( 'show-big-image-preview-differ' )->
 644                                         rawParams( $sizeLinkBigImagePreview )->
 645                                         params( strtoupper( $origExt ) )->
 646                                         params( strtoupper( $thumbExt ) )->
 647                                         parse();
 648                         } else {
 649                                 return $this->getContext()->msg( 'show-big-image-preview' )->
 650                                         rawParams( $sizeLinkBigImagePreview )->
 651                                 parse();
 652                         }
 653                 } else {
 654                         return '';
 655                 }
 656         }
 657
 658         /**
 659          * Creates an thumbnail of specified size and returns an HTML link to it
 660          * @param array $params Scaler parameters
 661          * @param int $width
 662          * @param int $height
 663          * @return string
 664          */
 665         private function makeSizeLink( $params, $width, $height ) {
 666                 $params['width'] = $width;
 667                 $params['height'] = $height;
 668                 $thumbnail = $this->displayImg->transform( $params );
 669                 if ( $thumbnail && !$thumbnail->isError() ) {
 670                         return Html::rawElement( 'a', [
 671                                 'href' => $thumbnail->getUrl(),
 672                                 'class' => 'mw-thumbnail-link'
 673                                 ], $this->getContext()->msg( 'show-big-image-size' )->numParams(
 674                                         $thumbnail->getWidth(), $thumbnail->getHeight()
 675                                 )->parse() );
 676                 } else {
 677                         return '';
 678                 }
 679         }
 680
 681         /**
 682          * Show a notice that the file is from a shared repository
 683          */
 684         protected function printSharedImageText() {
 685                 $out = $this->getContext()->getOutput();
 686                 $this->loadFile();
 687
 688                 $descUrl = $this->mPage->getFile()->getDescriptionUrl();
 689                 $descText = $this->mPage->getFile()->getDescriptionText( $this->getContext()->getLanguage() );
 690
 691                 /* Add canonical to head if there is no local page for this shared file */
 692                 if ( $descUrl && $this->mPage->getId() == 0 ) {
 693                         $out->setCanonicalUrl( $descUrl );
 694                 }
 695
 696                 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
 697                 $repo = $this->mPage->getFile()->getRepo()->getDisplayName();
 698
 699                 if ( $descUrl &&
 700                         $descText &&
 701                         $this->getContext()->msg( 'sharedupload-desc-here' )->plain() !== '-'
 702                 ) {
 703                         $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-here', $repo, $descUrl ] );
 704                 } elseif ( $descUrl &&
 705                         $this->getContext()->msg( 'sharedupload-desc-there' )->plain() !== '-'
 706                 ) {
 707                         $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-there', $repo, $descUrl ] );
 708                 } else {
 709                         $out->wrapWikiMsg( $wrap, [ 'sharedupload', $repo ], ''/*BACKCOMPAT*/ );
 710                 }
 711
 712                 if ( $descText ) {
 713                         $this->mExtraDescription = $descText;
 714                 }
 715         }
 716
 717         public function getUploadUrl() {
 718                 $this->loadFile();
 719                 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
 720                 return $uploadTitle->getFullURL( [
 721                         'wpDestFile' => $this->mPage->getFile()->getName(),
 722                         'wpForReUpload' => 1
 723                 ] );
 724         }
 725
 726         /**
 727          * Print out the various links at the bottom of the image page, e.g. reupload,
 728          * external editing (and instructions link) etc.
 729          */
 730         protected function uploadLinksBox() {
 731                 global $wgEnableUploads;
 732
 733                 if ( !$wgEnableUploads ) {
 734                         return;
 735                 }
 736
 737                 $this->loadFile();
 738                 if ( !$this->mPage->getFile()->isLocal() ) {
 739                         return;
 740                 }
 741
 742                 $out = $this->getContext()->getOutput();
 743                 $out->addHTML( "<ul>\n" );
 744
 745                 # "Upload a new version of this file" link
 746                 $canUpload = $this->getTitle()->quickUserCan( 'upload', $this->getContext()->getUser() );
 747                 if ( $canUpload && UploadBase::userCanReUpload(
 748                                 $this->getContext()->getUser(),
 749                                 $this->mPage->getFile() )
 750                 ) {
 751                         $ulink = Linker::makeExternalLink(
 752                                 $this->getUploadUrl(),
 753                                 $this->getContext()->msg( 'uploadnewversion-linktext' )->text()
 754                         );
 755                         $out->addHTML( "<li id=\"mw-imagepage-reupload-link\">"
 756                                 . "<div class=\"plainlinks\">{$ulink}</div></li>\n" );
 757                 } else {
 758                         $out->addHTML( "<li id=\"mw-imagepage-upload-disallowed\">"
 759                                 . $this->getContext()->msg( 'upload-disallowed-here' )->escaped() . "</li>\n" );
 760                 }
 761
 762                 $out->addHTML( "</ul>\n" );
 763         }
 764
 765         /**
 766          * For overloading
 767          */
 768         protected function closeShowImage() {
 769         }
 770
 771         /**
 772          * If the page we've just displayed is in the "Image" namespace,
 773          * we follow it with an upload history of the image and its usage.
 774          */
 775         protected function imageHistory() {
 776                 $this->loadFile();
 777                 $out = $this->getContext()->getOutput();
 778                 $pager = new ImageHistoryPseudoPager( $this );
 779                 $out->addHTML( $pager->getBody() );
 780                 $out->preventClickjacking( $pager->getPreventClickjacking() );
 781
 782                 $this->mPage->getFile()->resetHistory(); // free db resources
 783
 784                 # Exist check because we don't want to show this on pages where an image
 785                 # doesn't exist along with the noimage message, that would suck. -ævar
 786                 if ( $this->mPage->getFile()->exists() ) {
 787                         $this->uploadLinksBox();
 788                 }
 789         }
 790
 791         /**
 792          * @param string $target
 793          * @param int $limit
 794          * @return ResultWrapper
 795          */
 796         protected function queryImageLinks( $target, $limit ) {
 797                 $dbr = wfGetDB( DB_REPLICA );
 798
 799                 return $dbr->select(
 800                         [ 'imagelinks', 'page' ],
 801                         [ 'page_namespace', 'page_title', 'il_to' ],
 802                         [ 'il_to' => $target, 'il_from = page_id' ],
 803                         __METHOD__,
 804                         [ 'LIMIT' => $limit + 1, 'ORDER BY' => 'il_from', ]
 805                 );
 806         }
 807
 808         protected function imageLinks() {
 809                 $limit = 100;
 810
 811                 $out = $this->getContext()->getOutput();
 812
 813                 $rows = [];
 814                 $redirects = [];
 815                 foreach ( $this->getTitle()->getRedirectsHere( NS_FILE ) as $redir ) {
 816                         $redirects[$redir->getDBkey()] = [];
 817                         $rows[] = (object)[
 818                                 'page_namespace' => NS_FILE,
 819                                 'page_title' => $redir->getDBkey(),
 820                         ];
 821                 }
 822
 823                 $res = $this->queryImageLinks( $this->getTitle()->getDBkey(), $limit + 1 );
 824                 foreach ( $res as $row ) {
 825                         $rows[] = $row;
 826                 }
 827                 $count = count( $rows );
 828
 829                 $hasMore = $count > $limit;
 830                 if ( !$hasMore && count( $redirects ) ) {
 831                         $res = $this->queryImageLinks( array_keys( $redirects ),
 832                                 $limit - count( $rows ) + 1 );
 833                         foreach ( $res as $row ) {
 834                                 $redirects[$row->il_to][] = $row;
 835                                 $count++;
 836                         }
 837                         $hasMore = ( $res->numRows() + count( $rows ) ) > $limit;
 838                 }
 839
 840                 if ( $count == 0 ) {
 841                         $out->wrapWikiMsg(
 842                                 Html::rawElement( 'div',
 843                                         [ 'id' => 'mw-imagepage-nolinkstoimage' ], "\n$1\n" ),
 844                                 'nolinkstoimage'
 845                         );
 846                         return;
 847                 }
 848
 849                 $out->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
 850                 if ( !$hasMore ) {
 851                         $out->addWikiMsg( 'linkstoimage', $count );
 852                 } else {
 853                         // More links than the limit. Add a link to [[Special:Whatlinkshere]]
 854                         $out->addWikiMsg( 'linkstoimage-more',
 855                                 $this->getContext()->getLanguage()->formatNum( $limit ),
 856                                 $this->getTitle()->getPrefixedDBkey()
 857                         );
 858                 }
 859
 860                 $out->addHTML(
 861                         Html::openElement( 'ul',
 862                                 [ 'class' => 'mw-imagepage-linkstoimage' ] ) . "\n"
 863                 );
 864                 $count = 0;
 865
 866                 // Sort the list by namespace:title
 867                 usort( $rows, [ $this, 'compare' ] );
 868
 869                 // Create links for every element
 870                 $currentCount = 0;
 871                 foreach ( $rows as $element ) {
 872                         $currentCount++;
 873                         if ( $currentCount > $limit ) {
 874                                 break;
 875                         }
 876
 877                         $query = [];
 878                         # Add a redirect=no to make redirect pages reachable
 879                         if ( isset( $redirects[$element->page_title] ) ) {
 880                                 $query['redirect'] = 'no';
 881                         }
 882                         $link = Linker::linkKnown(
 883                                 Title::makeTitle( $element->page_namespace, $element->page_title ),
 884                                 null, [], $query
 885                         );
 886                         if ( !isset( $redirects[$element->page_title] ) ) {
 887                                 # No redirects
 888                                 $liContents = $link;
 889                         } elseif ( count( $redirects[$element->page_title] ) === 0 ) {
 890                                 # Redirect without usages
 891                                 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )
 892                                         ->rawParams( $link, '' )
 893                                         ->parse();
 894                         } else {
 895                                 # Redirect with usages
 896                                 $li = '';
 897                                 foreach ( $redirects[$element->page_title] as $row ) {
 898                                         $currentCount++;
 899                                         if ( $currentCount > $limit ) {
 900                                                 break;
 901                                         }
 902
 903                                         $link2 = Linker::linkKnown( Title::makeTitle( $row->page_namespace, $row->page_title ) );
 904                                         $li .= Html::rawElement(
 905                                                 'li',
 906                                                 [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ],
 907                                                 $link2
 908                                                 ) . "\n";
 909                                 }
 910
 911                                 $ul = Html::rawElement(
 912                                         'ul',
 913                                         [ 'class' => 'mw-imagepage-redirectstofile' ],
 914                                         $li
 915                                         ) . "\n";
 916                                 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )->rawParams(
 917                                         $link, $ul )->parse();
 918                         }
 919                         $out->addHTML( Html::rawElement(
 920                                         'li',
 921                                         [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ],
 922                                         $liContents
 923                                 ) . "\n"
 924                         );
 925
 926                 };
 927                 $out->addHTML( Html::closeElement( 'ul' ) . "\n" );
 928                 $res->free();
 929
 930                 // Add a links to [[Special:Whatlinkshere]]
 931                 if ( $count > $limit ) {
 932                         $out->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() );
 933                 }
 934                 $out->addHTML( Html::closeElement( 'div' ) . "\n" );
 935         }
 936
 937         protected function imageDupes() {
 938                 $this->loadFile();
 939                 $out = $this->getContext()->getOutput();
 940
 941                 $dupes = $this->mPage->getDuplicates();
 942                 if ( count( $dupes ) == 0 ) {
 943                         return;
 944                 }
 945
 946                 $out->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
 947                 $out->addWikiMsg( 'duplicatesoffile',
 948                         $this->getContext()->getLanguage()->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey()
 949                 );
 950                 $out->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
 951
 952                 /**
 953                  * @var $file File
 954                  */
 955                 foreach ( $dupes as $file ) {
 956                         $fromSrc = '';
 957                         if ( $file->isLocal() ) {
 958                                 $link = Linker::linkKnown( $file->getTitle() );
 959                         } else {
 960                                 $link = Linker::makeExternalLink( $file->getDescriptionUrl(),
 961                                         $file->getTitle()->getPrefixedText() );
 962                                 $fromSrc = $this->getContext()->msg(
 963                                         'shared-repo-from',
 964                                         $file->getRepo()->getDisplayName()
 965                                 )->text();
 966                         }
 967                         $out->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
 968                 }
 969                 $out->addHTML( "</ul></div>\n" );
 970         }
 971
 972         /**
 973          * Delete the file, or an earlier version of it
 974          */
 975         public function delete() {
 976                 $file = $this->mPage->getFile();
 977                 if ( !$file->exists() || !$file->isLocal() || $file->getRedirected() ) {
 978                         // Standard article deletion
 979                         parent::delete();
 980                         return;
 981                 }
 982
 983                 $deleter = new FileDeleteForm( $file );
 984                 $deleter->execute();
 985         }
 986
 987         /**
 988          * Display an error with a wikitext description
 989          *
 990          * @param string $description
 991          */
 992         function showError( $description ) {
 993                 $out = $this->getContext()->getOutput();
 994                 $out->setPageTitle( $this->getContext()->msg( 'internalerror' ) );
 995                 $out->setRobotPolicy( 'noindex,nofollow' );
 996                 $out->setArticleRelated( false );
 997                 $out->enableClientCache( false );
 998                 $out->addWikiText( $description );
 999         }
1000
1001         /**
1002          * Callback for usort() to do link sorts by (namespace, title)
1003          * Function copied from Title::compare()
1004          *
1005          * @param object $a Object page to compare with
1006          * @param object $b Object page to compare with
1007          * @return int Result of string comparison, or namespace comparison
1008          */
1009         protected function compare( $a, $b ) {
1010                 if ( $a->page_namespace == $b->page_namespace ) {
1011                         return strcmp( $a->page_title, $b->page_title );
1012                 } else {
1013                         return $a->page_namespace - $b->page_namespace;
1014                 }
1015         }
1016
1017         /**
1018          * Returns the corresponding $wgImageLimits entry for the selected user option
1019          *
1020          * @param User $user
1021          * @param string $optionName Name of a option to check, typically imagesize or thumbsize
1022          * @return array
1023          * @since 1.21
1024          */
1025         public function getImageLimitsFromOption( $user, $optionName ) {
1026                 global $wgImageLimits;
1027
1028                 $option = $user->getIntOption( $optionName );
1029                 if ( !isset( $wgImageLimits[$option] ) ) {
1030                         $option = User::getDefaultOption( $optionName );
1031                 }
1032
1033                 // The user offset might still be incorrect, specially if
1034                 // $wgImageLimits got changed (see bug #8858).
1035                 if ( !isset( $wgImageLimits[$option] ) ) {
1036                         // Default to the first offset in $wgImageLimits
1037                         $option = 0;
1038                 }
1039
1040                 return isset( $wgImageLimits[$option] )
1041                         ? $wgImageLimits[$option]
1042                         : [ 800, 600 ]; // if nothing is set, fallback to a hardcoded default
1043         }
1044
1045         /**
1046          * Output a drop-down box for language options for the file
1047          *
1048          * @param array $langChoices Array of string language codes
1049          * @param string $curLang Language code file is being viewed in.
1050          * @param string $defaultLang Language code that image is rendered in by default
1051          * @return string HTML to insert underneath image.
1052          */
1053         protected function doRenderLangOpt( array $langChoices, $curLang, $defaultLang ) {
1054                 global $wgScript;
1055                 sort( $langChoices );
1056                 $curLang = wfBCP47( $curLang );
1057                 $defaultLang = wfBCP47( $defaultLang );
1058                 $opts = '';
1059                 $haveCurrentLang = false;
1060                 $haveDefaultLang = false;
1061
1062                 // We make a list of all the language choices in the file.
1063                 // Additionally if the default language to render this file
1064                 // is not included as being in this file (for example, in svgs
1065                 // usually the fallback content is the english content) also
1066                 // include a choice for that. Last of all, if we're viewing
1067                 // the file in a language not on the list, add it as a choice.
1068                 foreach ( $langChoices as $lang ) {
1069                         $code = wfBCP47( $lang );
1070                         $name = Language::fetchLanguageName( $code, $this->getContext()->getLanguage()->getCode() );
1071                         if ( $name !== '' ) {
1072                                 $display = $this->getContext()->msg( 'img-lang-opt', $code, $name )->text();
1073                         } else {
1074                                 $display = $code;
1075                         }
1076                         $opts .= "\n" . Xml::option( $display, $code, $curLang === $code );
1077                         if ( $curLang === $code ) {
1078                                 $haveCurrentLang = true;
1079                         }
1080                         if ( $defaultLang === $code ) {
1081                                 $haveDefaultLang = true;
1082                         }
1083                 }
1084                 if ( !$haveDefaultLang ) {
1085                         // Its hard to know if the content is really in the default language, or
1086                         // if its just unmarked content that could be in any language.
1087                         $opts = Xml::option(
1088                                         $this->getContext()->msg( 'img-lang-default' )->text(),
1089                                 $defaultLang,
1090                                 $defaultLang === $curLang
1091                         ) . $opts;
1092                 }
1093                 if ( !$haveCurrentLang && $defaultLang !== $curLang ) {
1094                         $name = Language::fetchLanguageName( $curLang, $this->getContext()->getLanguage()->getCode() );
1095                         if ( $name !== '' ) {
1096                                 $display = $this->getContext()->msg( 'img-lang-opt', $curLang, $name )->text();
1097                         } else {
1098                                 $display = $curLang;
1099                         }
1100                         $opts = Xml::option( $display, $curLang, true ) . $opts;
1101                 }
1102
1103                 $select = Html::rawElement(
1104                         'select',
1105                         [ 'id' => 'mw-imglangselector', 'name' => 'lang' ],
1106                         $opts
1107                 );
1108                 $submit = Xml::submitButton( $this->getContext()->msg( 'img-lang-go' )->text() );
1109
1110                 $formContents = $this->getContext()->msg( 'img-lang-info' )
1111                         ->rawParams( $select, $submit )
1112                         ->parse();
1113                 $formContents .= Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() );
1114
1115                 $langSelectLine = Html::rawElement( 'div', [ 'id' => 'mw-imglangselector-line' ],
1116                         Html::rawElement( 'form', [ 'action' => $wgScript ], $formContents )
1117                 );
1118                 return $langSelectLine;
1119         }
1120
1121         /**
1122          * Get the width and height to display image at.
1123          *
1124          * @note This method assumes that it is only called if one
1125          *  of the dimensions are bigger than the max, or if the
1126          *  image is vectorized.
1127          *
1128          * @param int $maxWidth Max width to display at
1129          * @param int $maxHeight Max height to display at
1130          * @param int $width Actual width of the image
1131          * @param int $height Actual height of the image
1132          * @throws MWException
1133          * @return array Array (width, height)
1134          */
1135         protected function getDisplayWidthHeight( $maxWidth, $maxHeight, $width, $height ) {
1136                 if ( !$maxWidth || !$maxHeight ) {
1137                         // should never happen
1138                         throw new MWException( 'Using a choice from $wgImageLimits that is 0x0' );
1139                 }
1140
1141                 if ( !$width || !$height ) {
1142                         return [ 0, 0 ];
1143                 }
1144
1145                 # Calculate the thumbnail size.
1146                 if ( $width <= $maxWidth && $height <= $maxHeight ) {
1147                         // Vectorized image, do nothing.
1148                 } elseif ( $width / $height >= $maxWidth / $maxHeight ) {
1149                         # The limiting factor is the width, not the height.
1150                         $height = round( $height * $maxWidth / $width );
1151                         $width = $maxWidth;
1152                         # Note that $height <= $maxHeight now.
1153                 } else {
1154                         $newwidth = floor( $width * $maxHeight / $height );
1155                         $height = round( $height * $newwidth / $width );
1156                         $width = $newwidth;
1157                         # Note that $height <= $maxHeight now, but might not be identical
1158                         # because of rounding.
1159                 }
1160                 return [ $width, $height ];
1161         }
1162
1163         /**
1164          * Get alternative thumbnail sizes.
1165          *
1166          * @note This will only list several alternatives if thumbnails are rendered on 404
1167          * @param int $origWidth Actual width of image
1168          * @param int $origHeight Actual height of image
1169          * @return array An array of [width, height] pairs.
1170          */
1171         protected function getThumbSizes( $origWidth, $origHeight ) {
1172                 global $wgImageLimits;
1173                 if ( $this->displayImg->getRepo()->canTransformVia404() ) {
1174                         $thumbSizes = $wgImageLimits;
1175                         // Also include the full sized resolution in the list, so
1176                         // that users know they can get it. This will link to the
1177                         // original file asset if mustRender() === false. In the case
1178                         // that we mustRender, some users have indicated that they would
1179                         // find it useful to have the full size image in the rendered
1180                         // image format.
1181                         $thumbSizes[] = [ $origWidth, $origHeight ];
1182                 } else {
1183                         # Creating thumb links triggers thumbnail generation.
1184                         # Just generate the thumb for the current users prefs.
1185                         $thumbSizes = [
1186                                 $this->getImageLimitsFromOption( $this->getContext()->getUser(), 'thumbsize' )
1187                         ];
1188                         if ( !$this->displayImg->mustRender() ) {
1189                                 // We can safely include a link to the "full-size" preview,
1190                                 // without actually rendering.
1191                                 $thumbSizes[] = [ $origWidth, $origHeight ];
1192                         }
1193                 }
1194                 return $thumbSizes;
1195         }
1196
1197         /**
1198          * @see WikiFilePage::getFile
1199          * @return bool|File
1200          */
1201         public function getFile() {
1202                 return $this->mPage->getFile();
1203         }
1204
1205         /**
1206          * @see WikiFilePage::isLocal
1207          * @return bool
1208          */
1209         public function isLocal() {
1210                 return $this->mPage->isLocal();
1211         }
1212
1213         /**
1214          * @see WikiFilePage::getDuplicates
1215          * @return array|null
1216          */
1217         public function getDuplicates() {
1218                 return $this->mPage->getDuplicates();
1219         }
1220
1221         /**
1222          * @see WikiFilePage::getForeignCategories
1223          * @return TitleArray|Title[]
1224          */
1225         public function getForeignCategories() {
1226                 $this->mPage->getForeignCategories();
1227         }
1228
1229 }