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         /**
 103          * Overloading Article's getContent method.
 104          * Omit noarticletext if sharedupload
 105          *
 106          * @param $noredir If true, do not follow redirects
 107          */
 108         function getContent( $noredir )
 109         {
 110                 if ( $this->img && $this->img->fromSharedDirectory && 0 == $this->getID() ) {
 111                         return '';
 112                 }
 113                 return Article::getContent( $noredir );
 114         }
 115
 116         function openShowImage()
 117         {
 118                 global $wgOut, $wgUser, $wgImageLimits, $wgRequest,
 119                        $wgUseImageResize, $wgRepositoryBaseUrl,
 120                        $wgUseExternalEditor, $wgServer;
 121                 $full_url  = $this->img->getViewURL();
 122                 $anchoropen = '';
 123                 $anchorclose = '';
 124
 125                 if( $wgUser->getOption( 'imagesize' ) == '' ) {
 126                         $sizeSel = User::getDefaultOption( 'imagesize' );
 127                 } else {
 128                         $sizeSel = IntVal( $wgUser->getOption( 'imagesize' ) );
 129                 }
 130                 if( !isset( $wgImageLimits[$sizeSel] ) ) {
 131                         $sizeSel = User::getDefaultOption( 'imagesize' );
 132                 }
 133                 $max = $wgImageLimits[$sizeSel];
 134                 $maxWidth = $max[0];
 135                 $maxHeight = $max[1];
 136                 $sk = $wgUser->getSkin();
 137
 138                 if ( $this->img->exists() ) {
 139                         if ( $this->img->getType() ) {
 140                                 # image
 141                                 $width = $this->img->getWidth();
 142                                 $height = $this->img->getHeight();
 143                                 # "Download high res version" link below the image
 144                                 $msg = wfMsg('showbigimage', $width, $height, intval( $this->img->getSize()/1024 ) );
 145                                 if ( $width > $maxWidth ) {
 146                                         $height = floor( $height * $maxWidth / $width );
 147                                         $width  = $maxWidth;
 148                                 }
 149                                 if ( $height > $maxHeight ) {
 150                                         $width = floor( $width * $maxHeight / $height );
 151                                         $height = $maxHeight;
 152                                 }
 153                                 if ( $width != $this->img->getWidth() || $height != $this->img->getHeight() ) {
 154                                         if( $wgUseImageResize ) {
 155                                                 $thumbnail = $this->img->getThumbnail( $width );
 156                                                 $url = $thumbnail->getUrl();
 157                                         } else {
 158                                                 # No resize ability? Show the full image, but scale
 159                                                 # it down in the browser so it fits on the page.
 160                                                 $url = $full_url;
 161                                         }
 162                                         $anchoropen  = "<a href=\"{$full_url}\">";
 163                                         $anchorclose = "</a><br />\n$anchoropen{$msg}</a>";
 164                                 } else {
 165                                         $url = $full_url;
 166                                 }
 167                                 $s = '<div class="fullImageLink" id="file">' . $anchoropen .
 168                                      "<img border=\"0\" src=\"{$url}\" width=\"{$width}\" height=\"{$height}\" alt=\"" .
 169                                      htmlspecialchars( $wgRequest->getVal( 'image' ) ).'" />' . $anchorclose . '</div>';
 170                         } else {
 171                                 $s = "<div class=\"fullMedia\">" . $sk->makeMediaLink( $this->img->getName(),'' ) . '</div>';
 172                         }
 173                         $wgOut->addHTML( $s );
 174                         if($this->img->fromSharedDirectory) {
 175                                 $sharedtext="<div class=\"sharedUploadNotice\">" . wfMsg("sharedupload");
 176                                 if($wgRepositoryBaseUrl) {
 177                                         $sharedtext .= " ". wfMsg("shareduploadwiki",$wgRepositoryBaseUrl . urlencode($this->mTitle->getDBkey()));
 178                                 }
 179                                 $sharedtext.="</div>";
 180                                 $wgOut->addWikiText($sharedtext);
 181                         }
 182
 183                 } else {
 184                         # Image does not exist
 185                         $wgOut->addWikiText( wfMsg( 'noimage', $this->getUploadUrl() ) );
 186                 }
 187         }
 188
 189         function getUploadUrl() {
 190                 global $wgServer;
 191                 $uploadTitle = Title::makeTitle( NS_SPECIAL, 'Upload' );
 192                 return $wgServer . $uploadTitle->getLocalUrl( 'wpDestFile=' . urlencode( $this->img->getName() ) );
 193         }
 194
 195
 196         function uploadLinksBox()
 197         {
 198                 global $wgUser,$wgOut;
 199                 $sk = $wgUser->getSkin();
 200                 $wgOut->addHTML( '<br /><ul><li>' );
 201                 $wgOut->addWikiText( '<div>'. wfMsg( 'uploadnewversion', $this->getUploadUrl() ) .'</div>' );
 202                 $wgOut->addHTML( '</li><li>' );
 203                 $wgOut->addHTML( $sk->makeKnownLinkObj( $this->mTitle,
 204                         wfMsg( 'edit-externally' ), "action=edit&externaledit=true&mode=file" ) );
 205                 $wgOut->addWikiText( '<div>' .  wfMsg('edit-externally-help') . '</div>' );
 206                 $wgOut->addHTML( '</li></ul>' );
 207         }
 208
 209         function closeShowImage()
 210         {
 211                 # For overloading
 212
 213         }
 214
 215         /**
 216          * If the page we've just displayed is in the "Image" namespace,
 217          * we follow it with an upload history of the image and its usage.
 218          */
 219         function imageHistory()
 220         {
 221                 global $wgUser, $wgOut, $wgUseExternalEditor;
 222
 223                 $sk = $wgUser->getSkin();
 224
 225                 $line = $this->img->nextHistoryLine();
 226
 227                 if ( $line ) {
 228                         $list =& new ImageHistoryList( $sk );
 229                         $s = $list->beginImageHistoryList() .
 230                                 $list->imageHistoryLine( true, $line->img_timestamp,
 231                                         $this->mTitle->getDBkey(),  $line->img_user,
 232                                         $line->img_user_text, $line->img_size, $line->img_description );
 233
 234                         while ( $line = $this->img->nextHistoryLine() ) {
 235                                 $s .= $list->imageHistoryLine( false, $line->img_timestamp,
 236                                 $line->oi_archive_name, $line->img_user,
 237                                 $line->img_user_text, $line->img_size, $line->img_description );
 238                         }
 239                         $s .= $list->endImageHistoryList();
 240                 } else { $s=''; }
 241                 $wgOut->addHTML( $s );
 242
 243                 # Exist check because we don't want to show this on pages where an image
 244                 # doesn't exist along with the noimage message, that would suck. -ævar
 245                 if( $wgUseExternalEditor && $this->img->exists() ) {
 246                         $this->uploadLinksBox();
 247                 }
 248
 249         }
 250
 251         function imageLinks()
 252         {
 253                 global $wgUser, $wgOut;
 254
 255                 $wgOut->addHTML( '<h2 id="filelinks">' . wfMsg( 'imagelinks' ) . "</h2>\n" );
 256
 257                 $dbr =& wfGetDB( DB_SLAVE );
 258                 $page = $dbr->tableName( 'page' );
 259                 $imagelinks = $dbr->tableName( 'imagelinks' );
 260
 261                 $sql = "SELECT page_namespace,page_title FROM $imagelinks,$page WHERE il_to=" .
 262                   $dbr->addQuotes( $this->mTitle->getDBkey() ) . " AND il_from=page_id"
 263                   . " LIMIT 500"; # quickie emergency brake
 264                 $res = $dbr->query( $sql, "ImagePage::imageLinks" );
 265
 266                 if ( 0 == $dbr->numRows( $res ) ) {
 267                         $wgOut->addHtml( '<p>' . wfMsg( "nolinkstoimage" ) . "</p>\n" );
 268                         return;
 269                 }
 270                 $wgOut->addHTML( '<p>' . wfMsg( 'linkstoimage' ) .  "</p>\n<ul>" );
 271
 272                 $sk = $wgUser->getSkin();
 273                 while ( $s = $dbr->fetchObject( $res ) ) {
 274                         $name = Title::MakeTitle( $s->page_namespace, $s->page_title );
 275                         $link = $sk->makeKnownLinkObj( $name, "" );
 276                         $wgOut->addHTML( "<li>{$link}</li>\n" );
 277                 }
 278                 $wgOut->addHTML( "</ul>\n" );
 279         }
 280
 281         function delete()
 282         {
 283                 global $wgUser, $wgOut, $wgRequest;
 284
 285                 $confirm = $wgRequest->getBool( 'wpConfirmB' );
 286                 $image = $wgRequest->getVal( 'image' );
 287                 $oldimage = $wgRequest->getVal( 'oldimage' );
 288
 289                 # Only sysops can delete images. Previously ordinary users could delete
 290                 # old revisions, but this is no longer the case.
 291                 if ( !$wgUser->isAllowed('delete') ) {
 292                         $wgOut->sysopRequired();
 293                         return;
 294                 }
 295                 if ( wfReadOnly() ) {
 296                         $wgOut->readOnlyPage();
 297                         return;
 298                 }
 299
 300                 # Better double-check that it hasn't been deleted yet!
 301                 $wgOut->setPagetitle( wfMsg( 'confirmdelete' ) );
 302                 if ( ( !is_null( $image ) )
 303                   && ( '' == trim( $image ) ) ) {
 304                         $wgOut->fatalError( wfMsg( 'cannotdelete' ) );
 305                         return;
 306                 }
 307
 308                 $this->img  = new Image( $this->mTitle );
 309
 310                 # Deleting old images doesn't require confirmation
 311                 if ( !is_null( $oldimage ) || $confirm ) {
 312                         if( $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
 313                                 $this->doDelete();
 314                         } else {
 315                                 $wgOut->fatalError( wfMsg( 'sessionfailure' ) );
 316                         }
 317                         return;
 318                 }
 319
 320                 if ( !is_null( $image ) ) {
 321                         $q = '&image=' . urlencode( $image );
 322                 } else if ( !is_null( $oldimage ) ) {
 323                         $q = '&oldimage=' . urlencode( $oldimage );
 324                 } else {
 325                         $q = '';
 326                 }
 327                 return $this->confirmDelete( $q, $wgRequest->getText( 'wpReason' ) );
 328         }
 329
 330         function doDelete()
 331         {
 332                 global $wgOut, $wgUser, $wgContLang, $wgRequest;
 333                 global $wgUseSquid, $wgInternalServer, $wgPostCommitUpdateList;
 334                 $fname = 'ImagePage::doDelete';
 335
 336                 $reason = $wgRequest->getVal( 'wpReason' );
 337                 $oldimage = $wgRequest->getVal( 'oldimage' );
 338
 339                 $dbw =& wfGetDB( DB_MASTER );
 340
 341                 if ( !is_null( $oldimage ) ) {
 342                         if ( strlen( $oldimage ) < 16 ) {
 343                                 $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 344                                 return;
 345                         }
 346                         if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
 347                                 $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 348                                 return;
 349                         }
 350
 351                         # Invalidate description page cache
 352                         $this->mTitle->invalidateCache();
 353
 354                         # Squid purging
 355                         if ( $wgUseSquid ) {
 356                                 $urlArr = Array(
 357                                         $wgInternalServer.wfImageArchiveUrl( $oldimage ),
 358                                         $wgInternalServer.$this->mTitle->getFullURL()
 359                                 );
 360                                 wfPurgeSquidServers($urlArr);
 361                         }
 362                         $this->doDeleteOldImage( $oldimage );
 363                         $dbw->delete( 'oldimage', array( 'oi_archive_name' => $oldimage ) );
 364                         $deleted = $oldimage;
 365                 } else {
 366                         $image = $this->mTitle->getDBkey();
 367                         $dest = wfImageDir( $image );
 368                         $archive = wfImageDir( $image );
 369
 370                         # Delete the image file if it exists; due to sync problems
 371                         # or manual trimming sometimes the file will be missing.
 372                         $targetFile = "{$dest}/{$image}";
 373                         if( file_exists( $targetFile ) && ! @unlink( $targetFile ) ) {
 374                                 # If the deletion operation actually failed, bug out:
 375                                 $wgOut->fileDeleteError( $targetFile );
 376                                 return;
 377                         }
 378                         $dbw->delete( 'image', array( 'img_name' => $image ) );
 379                         $res = $dbw->select( 'oldimage', array( 'oi_archive_name' ), array( 'oi_name' => $image ) );
 380
 381                         # Purge archive URLs from the squid
 382                         $urlArr = Array();
 383                         while ( $s = $dbw->fetchObject( $res ) ) {
 384                                 $this->doDeleteOldImage( $s->oi_archive_name );
 385                                 $urlArr[] = $wgInternalServer.wfImageArchiveUrl( $s->oi_archive_name );
 386                         }
 387
 388                         # And also the HTML of all pages using this image
 389                         $linksTo = $this->img->getLinksTo();
 390                         if ( $wgUseSquid ) {
 391                                 $u = SquidUpdate::newFromTitles( $linksTo, $urlArr );
 392                                 array_push( $wgPostCommitUpdateList, $u );
 393                         }
 394
 395                         $dbw->delete( 'oldimage', array( 'oi_name' => $image ) );
 396
 397                         # Image itself is now gone, and database is cleaned.
 398                         # Now we remove the image description page.
 399
 400                         $article = new Article( $this->mTitle );
 401                         $article->doDeleteArticle( $reason ); # ignore errors
 402
 403                         # Invalidate parser cache and client cache for pages using this image
 404                         # This is left until relatively late to reduce lock time
 405                         Title::touchArray( $linksTo );
 406
 407                         /* Delete thumbnails and refresh image metadata cache */
 408                         $this->img->purgeCache();
 409
 410
 411                         $deleted = $image;
 412                 }
 413
 414                 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
 415                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 416
 417                 $sk = $wgUser->getSkin();
 418                 $loglink = $sk->makeKnownLinkObj(
 419                         Title::makeTitle( NS_SPECIAL, 'Log/delete' ),
 420                         wfMsg( 'deletionlog' ) );
 421
 422                 $text = wfMsg( 'deletedtext', $deleted, $loglink );
 423
 424                 $wgOut->addHTML( '<p>' . $text . "</p>\n" );
 425                 $wgOut->returnToMain( false, $this->mTitle->getPrefixedText() );
 426         }
 427
 428         function doDeleteOldImage( $oldimage )
 429         {
 430                 global $wgOut;
 431
 432                 $name = substr( $oldimage, 15 );
 433                 $archive = wfImageArchiveDir( $name );
 434
 435                 # Delete the image if it exists. Sometimes the file will be missing
 436                 # due to manual intervention or weird sync problems; treat that
 437                 # condition gracefully and continue to delete the database entry.
 438                 # Also some records may end up with an empty oi_archive_name field
 439                 # if the original file was missing when a new upload was made;
 440                 # don't try to delete the directory then!
 441                 #
 442                 $targetFile = "{$archive}/{$oldimage}";
 443                 if( $oldimage != '' && file_exists( $targetFile ) && !@unlink( $targetFile ) ) {
 444                         # If we actually have a file and can't delete it, throw an error.
 445                         $wgOut->fileDeleteError( "{$archive}/{$oldimage}" );
 446                 } else {
 447                         # Log the deletion
 448                         $log = new LogPage( 'delete' );
 449                         $log->addEntry( 'delete', $this->mTitle, wfMsg('deletedrevision',$oldimage) );
 450                 }
 451         }
 452
 453         function revert()
 454         {
 455                 global $wgOut, $wgRequest, $wgUser;
 456                 global $wgUseSquid, $wgInternalServer, $wgDeferredUpdateList;
 457
 458                 $oldimage = $wgRequest->getText( 'oldimage' );
 459                 if ( strlen( $oldimage ) < 16 ) {
 460                         $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 461                         return;
 462                 }
 463                 if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
 464                         $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 465                         return;
 466                 }
 467
 468                 if ( wfReadOnly() ) {
 469                         $wgOut->readOnlyPage();
 470                         return;
 471                 }
 472                 if( $wgUser->isAnon() ) {
 473                         $wgOut->errorpage( 'uploadnologin', 'uploadnologintext' );
 474                         return;
 475                 }
 476                 if ( ! $this->mTitle->userCanEdit() ) {
 477                         $wgOut->sysopRequired();
 478                         return;
 479                 }
 480                 if( !$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
 481                         $wgOut->errorpage( 'internalerror', 'sessionfailure' );
 482                         return;
 483                 }
 484                 $name = substr( $oldimage, 15 );
 485
 486                 $dest = wfImageDir( $name );
 487                 $archive = wfImageArchiveDir( $name );
 488                 $curfile = "{$dest}/{$name}";
 489
 490                 if ( ! is_file( $curfile ) ) {
 491                         $wgOut->fileNotFoundError( htmlspecialchars( $curfile ) );
 492                         return;
 493                 }
 494                 $oldver = wfTimestampNow() . "!{$name}";
 495
 496                 $dbr =& wfGetDB( DB_SLAVE );
 497                 $size = $dbr->selectField( 'oldimage', 'oi_size', array( 'oi_archive_name' => $oldimage )  );
 498
 499                 if ( ! rename( $curfile, "${archive}/{$oldver}" ) ) {
 500                         $wgOut->fileRenameError( $curfile, "${archive}/{$oldver}" );
 501                         return;
 502                 }
 503                 if ( ! copy( "{$archive}/{$oldimage}", $curfile ) ) {
 504                         $wgOut->fileCopyError( "${archive}/{$oldimage}", $curfile );
 505                 }
 506
 507                 # Record upload and update metadata cache
 508                 $img = Image::newFromName( $name );
 509                 $img->recordUpload( $oldver, wfMsg( "reverted" ) );
 510
 511                 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
 512                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 513                 $wgOut->addHTML( wfMsg( 'imagereverted' ) );
 514
 515                 $descTitle = $img->getTitle();
 516                 $wgOut->returnToMain( false, $descTitle->getPrefixedText() );
 517         }
 518 }
 519
 520 /**
 521  * @todo document
 522  * @package MediaWiki
 523  */
 524 class ImageHistoryList {
 525         function ImageHistoryList( &$skin ) {
 526                 $this->skin =& $skin;
 527         }
 528
 529         function beginImageHistoryList() {
 530                 $s = "\n<h2 id=\"filehistory\">" . wfMsg( 'imghistory' ) . "</h2>\n" .
 531                   "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
 532                 return $s;
 533         }
 534
 535         function endImageHistoryList() {
 536                 $s = "</ul>\n";
 537                 return $s;
 538         }
 539
 540         function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description ) {
 541                 global $wgUser, $wgLang, $wgContLang, $wgTitle;
 542
 543                 $datetime = $wgLang->timeanddate( $timestamp, true );
 544                 $del = wfMsg( 'deleteimg' );
 545                 $delall = wfMsg( 'deleteimgcompletely' );
 546                 $cur = wfMsg( 'cur' );
 547
 548                 if ( $iscur ) {
 549                         $url = Image::imageUrl( $img );
 550                         $rlink = $cur;
 551                         if ( $wgUser->isAllowed('delete') ) {
 552                                 $link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
 553                                   '&action=delete' );
 554                                 $style = $this->skin->getInternalLinkAttributes( $link, $delall );
 555
 556                                 $dlink = '<a href="'.$link.'"'.$style.'>'.$delall.'</a>';
 557                         } else {
 558                                 $dlink = $del;
 559                         }
 560                 } else {
 561                         $url = htmlspecialchars( wfImageArchiveUrl( $img ) );
 562                         if( $wgUser->getID() != 0 && $wgTitle->userCanEdit() ) {
 563                                 $token = urlencode( $wgUser->editToken( $img ) );
 564                                 $rlink = $this->skin->makeKnownLinkObj( $wgTitle,
 565                                            wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
 566                                            urlencode( $img ) . "&wpEditToken=$token" );
 567                                 $dlink = $this->skin->makeKnownLinkObj( $wgTitle,
 568                                            $del, 'action=delete&oldimage=' . urlencode( $img ) .
 569                                            "&wpEditToken=$token" );
 570                         } else {
 571                                 # Having live active links for non-logged in users
 572                                 # means that bots and spiders crawling our site can
 573                                 # inadvertently change content. Baaaad idea.
 574                                 $rlink = wfMsg( 'revertimg' );
 575                                 $dlink = $del;
 576                         }
 577                 }
 578                 if ( 0 == $user ) {
 579                         $userlink = $usertext;
 580                 } else {
 581                         $userlink = $this->skin->makeLinkObj(
 582                                 Title::makeTitle( NS_USER, $usertext ),
 583                                 $usertext );
 584                 }
 585                 $nbytes = wfMsg( 'nbytes', $size );
 586                 $style = $this->skin->getInternalLinkAttributes( $url, $datetime );
 587
 588                 $s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a>"
 589                   . " . . {$userlink} ({$nbytes})";
 590
 591                 $s .= $this->skin->commentBlock( $description, $wgTitle );
 592                 $s .= "</li>\n";
 593                 return $s;
 594         }
 595
 596 }
 597
 598
 599 ?>