includes/ImagePage.php

   1 <?php
   2 /**
   3  * @package MediaWiki
   4  */
   5
   6 /**
   7  *
   8  */
   9 if( !defined( 'MEDIAWIKI' ) )
  10         die();
  11
  12 require_once( 'Image.php' );
  13
  14 /**
  15  * Special handling for image description pages
  16  * @package MediaWiki
  17  */
  18 class ImagePage extends Article {
  19
  20         /* private */ var $img;  // Image object this page is shown for
  21
  22         function view() {
  23                 global $wgUseExternalEditor, $wgOut, $wgShowEXIF;
  24
  25                 $this->img = new Image( $this->mTitle );
  26
  27                 if( $this->mTitle->getNamespace() == NS_IMAGE  ) {
  28                         if ($wgShowEXIF && $this->img->exists()) {
  29                                 $exif = $this->img->getExifData();
  30                                 $showmeta = count($exif) ? true : false;
  31                         } else {
  32                                 $exif = false;
  33                                 $showmeta = false;
  34                         }
  35
  36                         if ($this->img->exists())
  37                                 $wgOut->addHTML($this->showTOC($showmeta));
  38
  39                         $this->openShowImage();
  40                         if ($exif)
  41                                 $wgOut->addWikiText($this->makeMetadataTable($exif));
  42
  43                         # No need to display noarticletext, we use our own message, output in openShowImage()
  44                         if( $this->getID() ) {
  45                                 Article::view();
  46                         } else {
  47                                 # Just need to set the right headers
  48                                 $wgOut->setArticleFlag( true );
  49                                 $wgOut->setRobotpolicy( 'index,follow' );
  50                                 $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
  51                                 $wgOut->addMetaTags();
  52                                 $this->viewUpdates();
  53                         }
  54
  55                         $this->closeShowImage();
  56                         $this->imageHistory();
  57                         $this->imageLinks();
  58                 } else {
  59                         Article::view();
  60                 }
  61         }
  62
  63         /**
  64          * Create the TOC
  65          *
  66          * @access private
  67          *
  68          * @param bool $metadata Whether or not to show the metadata link
  69          * @return string
  70          */
  71         function showTOC( $metadata ) {
  72                 global $wgLang;
  73                 $r = '<ul id="filetoc">
  74                         <li><a href="#file">' . $wgLang->getNsText( NS_IMAGE ) . '</a></li>' .
  75                         ($metadata ? '<li><a href="#metadata">' . wfMsg( 'metadata' ) . '</a></li>' : '') . '
  76                         <li><a href="#filehistory">' . wfMsg( 'imghistory' ) . '</a></li>
  77                         <li><a href="#filelinks">' . wfMsg( 'imagelinks' ) . '</a></li>
  78                 </ul>';
  79                 return $r;
  80         }
  81
  82         /**
  83          * Make a table with metadata to be shown in the output page.
  84          *
  85          * @access private
  86          *
  87          * @param array $exif The array containing the EXIF data
  88          * @return string
  89          */
  90         function makeMetadataTable( $exif ) {
  91                 $r = "{| class=metadata align=right width=250px\n";
  92                 $r .= '|+ id=metadata | '. htmlspecialchars( wfMsg( 'metadata' ) ) . "\n";
  93                 foreach( $exif as $k => $v ) {
  94                         $tag = strtolower( $k );
  95                         $r .= "! class=$tag |" . wfMsg( "exif-$tag" ) . "\n";
  96                         $r .= "| class=$tag |" . htmlspecialchars( $v ) . "\n";
  97                         $r .= "|-\n";
  98                 }
  99                 return substr($r, 0, -3) . '|}';
 100         }
 101
 102         function openShowImage()
 103         {
 104                 global $wgOut, $wgUser, $wgImageLimits, $wgRequest,
 105                        $wgUseImageResize, $wgRepositoryBaseUrl,
 106                        $wgUseExternalEditor, $wgServer;
 107                 $full_url  = $this->img->getViewURL();
 108                 $anchoropen = '';
 109                 $anchorclose = '';
 110
 111                 if( $wgUser->getOption( 'imagesize' ) == '' ) {
 112                         $sizeSel = User::getDefaultOption( 'imagesize' );
 113                 } else {
 114                         $sizeSel = IntVal( $wgUser->getOption( 'imagesize' ) );
 115                 }
 116                 if( !isset( $wgImageLimits[$sizeSel] ) ) {
 117                         $sizeSel = User::getDefaultOption( 'imagesize' );
 118                 }
 119                 $max = $wgImageLimits[$sizeSel];
 120                 $maxWidth = $max[0];
 121                 $maxHeight = $max[1];
 122                 $sk = $wgUser->getSkin();
 123
 124                 if ( $this->img->exists() ) {
 125                         if ( $this->img->getType() ) {
 126                                 # image
 127                                 $width = $this->img->getWidth();
 128                                 $height = $this->img->getHeight();
 129                                 # "Download high res version" link below the image
 130                                 $msg = wfMsg('showbigimage', $width, $height, intval( $this->img->getSize()/1024 ) );
 131                                 if ( $width > $maxWidth ) {
 132                                         $height = floor( $height * $maxWidth / $width );
 133                                         $width  = $maxWidth;
 134                                 }
 135                                 if ( $height > $maxHeight ) {
 136                                         $width = floor( $width * $maxHeight / $height );
 137                                         $height = $maxHeight;
 138                                 }
 139                                 if ( $width != $this->img->getWidth() || $height != $this->img->getHeight() ) {
 140                                         if( $wgUseImageResize ) {
 141                                                 $thumbnail = $this->img->getThumbnail( $width );
 142                                                 $url = $thumbnail->getUrl();
 143                                         } else {
 144                                                 # No resize ability? Show the full image, but scale
 145                                                 # it down in the browser so it fits on the page.
 146                                                 $url = $full_url;
 147                                         }
 148                                         $anchoropen  = "<a href=\"{$full_url}\">";
 149                                         $anchorclose = "</a><br />\n$anchoropen{$msg}</a>";
 150                                 } else {
 151                                         $url = $full_url;
 152                                 }
 153                                 $s = '<div class="fullImageLink" id="file">' . $anchoropen .
 154                                      "<img border=\"0\" src=\"{$url}\" width=\"{$width}\" height=\"{$height}\" alt=\"" .
 155                                      htmlspecialchars( $wgRequest->getVal( 'image' ) ).'" />' . $anchorclose . '</div>';
 156                         } else {
 157                                 $s = "<div class=\"fullMedia\">" . $sk->makeMediaLink( $this->img->getName(),'' ) . '</div>';
 158                         }
 159                         $wgOut->addHTML( $s );
 160                         if($this->img->fromSharedDirectory) {
 161                                 $sharedtext="<div class=\"sharedUploadNotice\">" . wfMsg("sharedupload");
 162                                 if($wgRepositoryBaseUrl) {
 163                                         $sharedtext .= " ". wfMsg("shareduploadwiki",$wgRepositoryBaseUrl . urlencode($this->mTitle->getDBkey()));
 164                                 }
 165                                 $sharedtext.="</div>";
 166                                 $wgOut->addWikiText($sharedtext);
 167                         }
 168
 169                 } else {
 170                         # Image does not exist
 171                         $wgOut->addWikiText( wfMsg( 'noimage', $this->getUploadUrl() ) );
 172                 }
 173         }
 174
 175         function getUploadUrl() {
 176                 global $wgServer;
 177                 $uploadTitle = Title::makeTitle( NS_SPECIAL, 'Upload' );
 178                 return $wgServer . $uploadTitle->getLocalUrl( 'wpDestFile=' . urlencode( $this->img->getName() ) );
 179         }
 180
 181
 182         function uploadLinksBox()
 183         {
 184                 global $wgUser,$wgOut;
 185                 $sk = $wgUser->getSkin();
 186                 $wgOut->addHTML( '<br /><ul><li>' );
 187                 $wgOut->addWikiText( '<div>'. wfMsg( 'uploadnewversion', $this->getUploadUrl() ) .'</div>' );
 188                 $wgOut->addHTML( '</li><li>' );
 189                 $wgOut->addHTML( $sk->makeKnownLinkObj( $this->mTitle,
 190                         wfMsg( 'edit-externally' ), "action=edit&externaledit=true&mode=file" ) );
 191                 $wgOut->addWikiText( '<div>' .  wfMsg('edit-externally-help') . '</div>' );
 192                 $wgOut->addHTML( '</li></ul>' );
 193         }
 194
 195         function closeShowImage()
 196         {
 197                 # For overloading
 198
 199         }
 200
 201         /**
 202          * If the page we've just displayed is in the "Image" namespace,
 203          * we follow it with an upload history of the image and its usage.
 204          */
 205         function imageHistory()
 206         {
 207                 global $wgUser, $wgOut, $wgUseExternalEditor;
 208
 209                 $sk = $wgUser->getSkin();
 210
 211                 $line = $this->img->nextHistoryLine();
 212
 213                 if ( $line ) {
 214                         $list =& new ImageHistoryList( $sk );
 215                         $s = $list->beginImageHistoryList() .
 216                                 $list->imageHistoryLine( true, $line->img_timestamp,
 217                                         $this->mTitle->getDBkey(),  $line->img_user,
 218                                         $line->img_user_text, $line->img_size, $line->img_description );
 219
 220                         while ( $line = $this->img->nextHistoryLine() ) {
 221                                 $s .= $list->imageHistoryLine( false, $line->img_timestamp,
 222                                 $line->oi_archive_name, $line->img_user,
 223                                 $line->img_user_text, $line->img_size, $line->img_description );
 224                         }
 225                         $s .= $list->endImageHistoryList();
 226                 } else { $s=''; }
 227                 $wgOut->addHTML( $s );
 228
 229                 # Exist check because we don't want to show this on pages where an image
 230                 # doesn't exist along with the noimage message, that would suck. -ævar
 231                 if( $wgUseExternalEditor && $this->img->exists() ) {
 232                         $this->uploadLinksBox();
 233                 }
 234
 235         }
 236
 237         function imageLinks()
 238         {
 239                 global $wgUser, $wgOut;
 240
 241                 $wgOut->addHTML( '<h2 id="filelinks">' . wfMsg( 'imagelinks' ) . "</h2>\n" );
 242
 243                 $dbr =& wfGetDB( DB_SLAVE );
 244                 $page = $dbr->tableName( 'page' );
 245                 $imagelinks = $dbr->tableName( 'imagelinks' );
 246
 247                 $sql = "SELECT page_namespace,page_title FROM $imagelinks,$page WHERE il_to=" .
 248                   $dbr->addQuotes( $this->mTitle->getDBkey() ) . " AND il_from=page_id"
 249                   . " LIMIT 500"; # quickie emergency brake
 250                 $res = $dbr->query( $sql, "ImagePage::imageLinks" );
 251
 252                 if ( 0 == $dbr->numRows( $res ) ) {
 253                         $wgOut->addHtml( '<p>' . wfMsg( "nolinkstoimage" ) . "</p>\n" );
 254                         return;
 255                 }
 256                 $wgOut->addHTML( '<p>' . wfMsg( 'linkstoimage' ) .  "</p>\n<ul>" );
 257
 258                 $sk = $wgUser->getSkin();
 259                 while ( $s = $dbr->fetchObject( $res ) ) {
 260                         $name = Title::MakeTitle( $s->page_namespace, $s->page_title );
 261                         $link = $sk->makeKnownLinkObj( $name, "" );
 262                         $wgOut->addHTML( "<li>{$link}</li>\n" );
 263                 }
 264                 $wgOut->addHTML( "</ul>\n" );
 265         }
 266
 267         function delete()
 268         {
 269                 global $wgUser, $wgOut, $wgRequest;
 270
 271                 $confirm = $wgRequest->getBool( 'wpConfirmB' );
 272                 $image = $wgRequest->getVal( 'image' );
 273                 $oldimage = $wgRequest->getVal( 'oldimage' );
 274
 275                 # Only sysops can delete images. Previously ordinary users could delete
 276                 # old revisions, but this is no longer the case.
 277                 if ( !$wgUser->isAllowed('delete') ) {
 278                         $wgOut->sysopRequired();
 279                         return;
 280                 }
 281                 if ( wfReadOnly() ) {
 282                         $wgOut->readOnlyPage();
 283                         return;
 284                 }
 285
 286                 # Better double-check that it hasn't been deleted yet!
 287                 $wgOut->setPagetitle( wfMsg( 'confirmdelete' ) );
 288                 if ( ( !is_null( $image ) )
 289                   && ( '' == trim( $image ) ) ) {
 290                         $wgOut->fatalError( wfMsg( 'cannotdelete' ) );
 291                         return;
 292                 }
 293
 294                 $this->img  = new Image( $this->mTitle );
 295
 296                 # Deleting old images doesn't require confirmation
 297                 if ( !is_null( $oldimage ) || $confirm ) {
 298                         if( $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
 299                                 $this->doDelete();
 300                         } else {
 301                                 $wgOut->fatalError( wfMsg( 'sessionfailure' ) );
 302                         }
 303                         return;
 304                 }
 305
 306                 if ( !is_null( $image ) ) {
 307                         $q = '&image=' . urlencode( $image );
 308                 } else if ( !is_null( $oldimage ) ) {
 309                         $q = '&oldimage=' . urlencode( $oldimage );
 310                 } else {
 311                         $q = '';
 312                 }
 313                 return $this->confirmDelete( $q, $wgRequest->getText( 'wpReason' ) );
 314         }
 315
 316         function doDelete()
 317         {
 318                 global $wgOut, $wgUser, $wgContLang, $wgRequest;
 319                 global $wgUseSquid, $wgInternalServer, $wgPostCommitUpdateList;
 320                 $fname = 'ImagePage::doDelete';
 321
 322                 $reason = $wgRequest->getVal( 'wpReason' );
 323                 $oldimage = $wgRequest->getVal( 'oldimage' );
 324
 325                 $dbw =& wfGetDB( DB_MASTER );
 326
 327                 if ( !is_null( $oldimage ) ) {
 328                         if ( strlen( $oldimage ) < 16 ) {
 329                                 $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 330                                 return;
 331                         }
 332                         if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
 333                                 $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 334                                 return;
 335                         }
 336
 337                         # Invalidate description page cache
 338                         $this->mTitle->invalidateCache();
 339
 340                         # Squid purging
 341                         if ( $wgUseSquid ) {
 342                                 $urlArr = Array(
 343                                         $wgInternalServer.wfImageArchiveUrl( $oldimage ),
 344                                         $wgInternalServer.$this->mTitle->getFullURL()
 345                                 );
 346                                 wfPurgeSquidServers($urlArr);
 347                         }
 348                         $this->doDeleteOldImage( $oldimage );
 349                         $dbw->delete( 'oldimage', array( 'oi_archive_name' => $oldimage ) );
 350                         $deleted = $oldimage;
 351                 } else {
 352                         $image = $this->mTitle->getDBkey();
 353                         $dest = wfImageDir( $image );
 354                         $archive = wfImageDir( $image );
 355
 356                         # Delete the image file if it exists; due to sync problems
 357                         # or manual trimming sometimes the file will be missing.
 358                         $targetFile = "{$dest}/{$image}";
 359                         if( file_exists( $targetFile ) && ! @unlink( $targetFile ) ) {
 360                                 # If the deletion operation actually failed, bug out:
 361                                 $wgOut->fileDeleteError( $targetFile );
 362                                 return;
 363                         }
 364                         $dbw->delete( 'image', array( 'img_name' => $image ) );
 365                         $res = $dbw->select( 'oldimage', array( 'oi_archive_name' ), array( 'oi_name' => $image ) );
 366
 367                         # Purge archive URLs from the squid
 368                         $urlArr = Array();
 369                         while ( $s = $dbw->fetchObject( $res ) ) {
 370                                 $this->doDeleteOldImage( $s->oi_archive_name );
 371                                 $urlArr[] = $wgInternalServer.wfImageArchiveUrl( $s->oi_archive_name );
 372                         }
 373
 374                         # And also the HTML of all pages using this image
 375                         $linksTo = $this->img->getLinksTo();
 376                         if ( $wgUseSquid ) {
 377                                 $u = SquidUpdate::newFromTitles( $linksTo, $urlArr );
 378                                 array_push( $wgPostCommitUpdateList, $u );
 379                         }
 380
 381                         $dbw->delete( 'oldimage', array( 'oi_name' => $image ) );
 382
 383                         # Image itself is now gone, and database is cleaned.
 384                         # Now we remove the image description page.
 385
 386                         $article = new Article( $this->mTitle );
 387                         $article->doDeleteArticle( $reason ); # ignore errors
 388
 389                         # Invalidate parser cache and client cache for pages using this image
 390                         # This is left until relatively late to reduce lock time
 391                         Title::touchArray( $linksTo );
 392
 393                         /* Delete thumbnails and refresh image metadata cache */
 394                         $this->img->purgeCache();
 395
 396
 397                         $deleted = $image;
 398                 }
 399
 400                 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
 401                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 402
 403                 $sk = $wgUser->getSkin();
 404                 $loglink = $sk->makeKnownLinkObj(
 405                         Title::makeTitle( NS_SPECIAL, 'Log/delete' ),
 406                         wfMsg( 'deletionlog' ) );
 407
 408                 $text = wfMsg( 'deletedtext', $deleted, $loglink );
 409
 410                 $wgOut->addHTML( '<p>' . $text . "</p>\n" );
 411                 $wgOut->returnToMain( false, $this->mTitle->getPrefixedText() );
 412         }
 413
 414         function doDeleteOldImage( $oldimage )
 415         {
 416                 global $wgOut;
 417
 418                 $name = substr( $oldimage, 15 );
 419                 $archive = wfImageArchiveDir( $name );
 420
 421                 # Delete the image if it exists. Sometimes the file will be missing
 422                 # due to manual intervention or weird sync problems; treat that
 423                 # condition gracefully and continue to delete the database entry.
 424                 # Also some records may end up with an empty oi_archive_name field
 425                 # if the original file was missing when a new upload was made;
 426                 # don't try to delete the directory then!
 427                 #
 428                 $targetFile = "{$archive}/{$oldimage}";
 429                 if( $oldimage != '' && file_exists( $targetFile ) && !@unlink( $targetFile ) ) {
 430                         # If we actually have a file and can't delete it, throw an error.
 431                         $wgOut->fileDeleteError( "{$archive}/{$oldimage}" );
 432                 } else {
 433                         # Log the deletion
 434                         $log = new LogPage( 'delete' );
 435                         $log->addEntry( 'delete', $this->mTitle, wfMsg('deletedrevision',$oldimage) );
 436                 }
 437         }
 438
 439         function revert()
 440         {
 441                 global $wgOut, $wgRequest, $wgUser;
 442                 global $wgUseSquid, $wgInternalServer, $wgDeferredUpdateList;
 443
 444                 $oldimage = $wgRequest->getText( 'oldimage' );
 445                 if ( strlen( $oldimage ) < 16 ) {
 446                         $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 447                         return;
 448                 }
 449                 if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
 450                         $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 451                         return;
 452                 }
 453
 454                 if ( wfReadOnly() ) {
 455                         $wgOut->readOnlyPage();
 456                         return;
 457                 }
 458                 if( $wgUser->isAnon() ) {
 459                         $wgOut->errorpage( 'uploadnologin', 'uploadnologintext' );
 460                         return;
 461                 }
 462                 if ( ! $this->mTitle->userCanEdit() ) {
 463                         $wgOut->sysopRequired();
 464                         return;
 465                 }
 466                 if( !$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
 467                         $wgOut->errorpage( 'internalerror', 'sessionfailure' );
 468                         return;
 469                 }
 470                 $name = substr( $oldimage, 15 );
 471
 472                 $dest = wfImageDir( $name );
 473                 $archive = wfImageArchiveDir( $name );
 474                 $curfile = "{$dest}/{$name}";
 475
 476                 if ( ! is_file( $curfile ) ) {
 477                         $wgOut->fileNotFoundError( htmlspecialchars( $curfile ) );
 478                         return;
 479                 }
 480                 $oldver = wfTimestampNow() . "!{$name}";
 481
 482                 $dbr =& wfGetDB( DB_SLAVE );
 483                 $size = $dbr->selectField( 'oldimage', 'oi_size', array( 'oi_archive_name' => $oldimage )  );
 484
 485                 if ( ! rename( $curfile, "${archive}/{$oldver}" ) ) {
 486                         $wgOut->fileRenameError( $curfile, "${archive}/{$oldver}" );
 487                         return;
 488                 }
 489                 if ( ! copy( "{$archive}/{$oldimage}", $curfile ) ) {
 490                         $wgOut->fileCopyError( "${archive}/{$oldimage}", $curfile );
 491                 }
 492
 493                 # Record upload and update metadata cache
 494                 $img = Image::newFromName( $name );
 495                 $img->recordUpload( $oldver, wfMsg( "reverted" ) );
 496
 497                 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
 498                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 499                 $wgOut->addHTML( wfMsg( 'imagereverted' ) );
 500
 501                 $descTitle = $img->getTitle();
 502                 $wgOut->returnToMain( false, $descTitle->getPrefixedText() );
 503         }
 504 }
 505
 506 /**
 507  * @todo document
 508  * @package MediaWiki
 509  */
 510 class ImageHistoryList {
 511         function ImageHistoryList( &$skin ) {
 512                 $this->skin =& $skin;
 513         }
 514
 515         function beginImageHistoryList() {
 516                 $s = "\n<h2 id=\"filehistory\">" . wfMsg( 'imghistory' ) . "</h2>\n" .
 517                   "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
 518                 return $s;
 519         }
 520
 521         function endImageHistoryList() {
 522                 $s = "</ul>\n";
 523                 return $s;
 524         }
 525
 526         function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description ) {
 527                 global $wgUser, $wgLang, $wgContLang, $wgTitle;
 528
 529                 $datetime = $wgLang->timeanddate( $timestamp, true );
 530                 $del = wfMsg( 'deleteimg' );
 531                 $delall = wfMsg( 'deleteimgcompletely' );
 532                 $cur = wfMsg( 'cur' );
 533
 534                 if ( $iscur ) {
 535                         $url = Image::imageUrl( $img );
 536                         $rlink = $cur;
 537                         if ( $wgUser->isAllowed('delete') ) {
 538                                 $link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
 539                                   '&action=delete' );
 540                                 $style = $this->skin->getInternalLinkAttributes( $link, $delall );
 541
 542                                 $dlink = '<a href="'.$link.'"'.$style.'>'.$delall.'</a>';
 543                         } else {
 544                                 $dlink = $del;
 545                         }
 546                 } else {
 547                         $url = htmlspecialchars( wfImageArchiveUrl( $img ) );
 548                         if( $wgUser->getID() != 0 && $wgTitle->userCanEdit() ) {
 549                                 $token = urlencode( $wgUser->editToken( $img ) );
 550                                 $rlink = $this->skin->makeKnownLinkObj( $wgTitle,
 551                                            wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
 552                                            urlencode( $img ) . "&wpEditToken=$token" );
 553                                 $dlink = $this->skin->makeKnownLinkObj( $wgTitle,
 554                                            $del, 'action=delete&oldimage=' . urlencode( $img ) .
 555                                            "&wpEditToken=$token" );
 556                         } else {
 557                                 # Having live active links for non-logged in users
 558                                 # means that bots and spiders crawling our site can
 559                                 # inadvertently change content. Baaaad idea.
 560                                 $rlink = wfMsg( 'revertimg' );
 561                                 $dlink = $del;
 562                         }
 563                 }
 564                 if ( 0 == $user ) {
 565                         $userlink = $usertext;
 566                 } else {
 567                         $userlink = $this->skin->makeLinkObj(
 568                                 Title::makeTitle( NS_USER, $usertext ),
 569                                 $usertext );
 570                 }
 571                 $nbytes = wfMsg( 'nbytes', $size );
 572                 $style = $this->skin->getInternalLinkAttributes( $url, $datetime );
 573
 574                 $s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a>"
 575                   . " . . {$userlink} ({$nbytes})";
 576
 577                 $s .= $this->skin->commentBlock( $description, $wgTitle );
 578                 $s .= "</li>\n";
 579                 return $s;
 580         }
 581
 582 }
 583
 584
 585 ?>