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, $wgFetchCommonsDescriptions;
 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->fromSharedDirectory
 140                            && $wgRepositoryBaseUrl && $wgFetchCommonsDescriptions) {
 141                                 $this->printSharedImageText();
 142                                 return;
 143                         }
 144
 145                         # image
 146                         $width = $this->img->getWidth();
 147                         $height = $this->img->getHeight();
 148                         $showLink = false;
 149
 150                         if ( $this->img->allowInlineDisplay() and $width and $height) {
 151                                 # image
 152
 153                                 # "Download high res version" link below the image
 154                                 $msg = wfMsg('showbigimage', $width, $height, intval( $this->img->getSize()/1024 ) );
 155                                 if ( $width > $maxWidth ) {
 156                                         $height = floor( $height * $maxWidth / $width );
 157                                         $width  = $maxWidth;
 158                                 }
 159                                 if ( $height > $maxHeight ) {
 160                                         $width = floor( $width * $maxHeight / $height );
 161                                         $height = $maxHeight;
 162                                 }
 163                                 if ( !$this->img->mustRender()
 164                                    && ( $width != $this->img->getWidth() || $height != $this->img->getHeight() ) ) {
 165                                         if( $wgUseImageResize ) {
 166                                                 $thumbnail = $this->img->getThumbnail( $width );
 167                                                 if ( $thumbnail == null ) {
 168                                                         $url = $full_url;
 169                                                 } else {
 170                                                         $url = $thumbnail->getUrl();
 171                                                 }
 172                                         } else {
 173                                                 # No resize ability? Show the full image, but scale
 174                                                 # it down in the browser so it fits on the page.
 175                                                 $url = $full_url;
 176                                         }
 177                                         $anchoropen  = "<a href=\"{$full_url}\">";
 178                                         $anchorclose = "</a><br />\n$anchoropen{$msg}</a>";
 179                                 } else {
 180                                         $url = $full_url;
 181                                         $showLink = $this->img->mustRender();
 182                                 }
 183                                 $wgOut->addHTML( '<div class="fullImageLink" id="file">' . $anchoropen .
 184                                      "<img border=\"0\" src=\"{$url}\" width=\"{$width}\" height=\"{$height}\" alt=\"" .
 185                                      htmlspecialchars( $wgRequest->getVal( 'image' ) ).'" />' . $anchorclose . '</div>' );
 186                         } else {
 187                                 #if direct link is allowed but it's not a renderable image, show an icon.
 188                                 if ($this->img->isSafeFile()) {
 189                                         $icon= $this->img->iconThumb();
 190
 191                                         $wgOut->addHTML( '<div class="fullImageLink" id="file"><a href="' . $full_url . '">' .
 192                                         $icon->toHtml() .
 193                                         '</a></div>' );
 194                                 }
 195
 196                                 $showLink = true;
 197                         }
 198
 199
 200                         if ($showLink) {
 201                                 $s= $sk->makeMediaLink( $this->img->getName(), '', '', true );
 202                                 $info= wfMsg( 'fileinfo', ceil($this->img->getSize()/1024.0), $this->img->getMimeType() );
 203
 204                                 if (!$this->img->isSafeFile()) {
 205                                         $wgOut->addHTML("<div class=\"fullMedia\">");
 206                                         $wgOut->addHTML("<span class=\"dangerousLink\">");
 207                                         $wgOut->addHTML($s);
 208                                         $wgOut->addHTML("</span>");
 209
 210                                         $wgOut->addHTML("<span class=\"fileInfo\"> (");
 211                                         $wgOut->addWikiText( $info, false );
 212                                         $wgOut->addHTML(")</span>");
 213                                         $wgOut->addHTML("</div>");
 214
 215                                         #this should be formated a little nicer. Is CSS sufficient?
 216                                         $wgOut->addHTML("<div class=\"mediaWarning\">");
 217                                         $wgOut->addWikiText( wfMsg( 'mediawarning' ) );
 218                                         $wgOut->addHTML('</div>');
 219
 220                                 } else {
 221                                         $wgOut->addHTML("<div class=\"fullMedia\">");
 222                                         $wgOut->addHTML($s);
 223
 224                                         $wgOut->addHTML("<span class=\"fileInfo\"> (");
 225                                         $wgOut->addWikiText( $info, false );
 226                                         $wgOut->addHTML(")</span>");
 227
 228                                         $wgOut->addHTML("</div>");
 229                                 }
 230                         }
 231
 232                         if($this->img->fromSharedDirectory) {
 233                                 $this->printSharedImageText();
 234                         }
 235                 } else {
 236                         # Image does not exist
 237                         $wgOut->addWikiText( wfMsg( 'noimage', $this->getUploadUrl() ) );
 238                 }
 239         }
 240
 241         function getSharedImageText() {
 242                 global $wgRepositoryBaseUrl, $wgFetchCommonsDescriptions, $wgOut;
 243
 244                 $url = $wgRepositoryBaseUrl . urlencode($this->mTitle->getDBkey());
 245                 $sharedtext = "<div class='sharedUploadNotice'>" . wfMsg("sharedupload");
 246                 if ($wgRepositoryBaseUrl) {
 247                         $sharedtext .= " " . wfMsg("shareduploadwiki", $url);
 248                 }
 249                 $sharedtext .= "</div>";
 250                 $wgOut->addWikiText($sharedtext);
 251
 252                 if ($wgRepositoryBaseUrl && $wgFetchCommonsDescriptions) {
 253                         $ur = ini_set('allow_url_fopen', true);
 254                         $text = @file($url);
 255                         ini_set('allow_url_fopen', false);
 256                         if ($text)
 257                                 $wgOut->addHTML($text);
 258                 }
 259         }
 260
 261         function getUploadUrl() {
 262                 global $wgServer;
 263                 $uploadTitle = Title::makeTitle( NS_SPECIAL, 'Upload' );
 264                 return $wgServer . $uploadTitle->getLocalUrl( 'wpDestFile=' . urlencode( $this->img->getName() ) );
 265         }
 266
 267
 268         function uploadLinksBox()
 269         {
 270                 global $wgUser,$wgOut;
 271                 $sk = $wgUser->getSkin();
 272                 $wgOut->addHTML( '<br /><ul><li>' );
 273                 $wgOut->addWikiText( '<div>'. wfMsg( 'uploadnewversion', $this->getUploadUrl() ) .'</div>' );
 274                 $wgOut->addHTML( '</li><li>' );
 275                 $wgOut->addHTML( $sk->makeKnownLinkObj( $this->mTitle,
 276                         wfMsg( 'edit-externally' ), "action=edit&externaledit=true&mode=file" ) );
 277                 $wgOut->addWikiText( '<div>' .  wfMsg('edit-externally-help') . '</div>' );
 278                 $wgOut->addHTML( '</li></ul>' );
 279         }
 280
 281         function closeShowImage()
 282         {
 283                 # For overloading
 284
 285         }
 286
 287         /**
 288          * If the page we've just displayed is in the "Image" namespace,
 289          * we follow it with an upload history of the image and its usage.
 290          */
 291         function imageHistory()
 292         {
 293                 global $wgUser, $wgOut, $wgUseExternalEditor;
 294
 295                 $sk = $wgUser->getSkin();
 296
 297                 $line = $this->img->nextHistoryLine();
 298
 299                 if ( $line ) {
 300                         $list =& new ImageHistoryList( $sk );
 301                         $s = $list->beginImageHistoryList() .
 302                                 $list->imageHistoryLine( true, $line->img_timestamp,
 303                                         $this->mTitle->getDBkey(),  $line->img_user,
 304                                         $line->img_user_text, $line->img_size, $line->img_description );
 305
 306                         while ( $line = $this->img->nextHistoryLine() ) {
 307                                 $s .= $list->imageHistoryLine( false, $line->img_timestamp,
 308                                 $line->oi_archive_name, $line->img_user,
 309                                 $line->img_user_text, $line->img_size, $line->img_description );
 310                         }
 311                         $s .= $list->endImageHistoryList();
 312                 } else { $s=''; }
 313                 $wgOut->addHTML( $s );
 314
 315                 # Exist check because we don't want to show this on pages where an image
 316                 # doesn't exist along with the noimage message, that would suck. -ævar
 317                 if( $wgUseExternalEditor && $this->img->exists() ) {
 318                         $this->uploadLinksBox();
 319                 }
 320
 321         }
 322
 323         function imageLinks()
 324         {
 325                 global $wgUser, $wgOut;
 326
 327                 $wgOut->addHTML( '<h2 id="filelinks">' . wfMsg( 'imagelinks' ) . "</h2>\n" );
 328
 329                 $dbr =& wfGetDB( DB_SLAVE );
 330                 $page = $dbr->tableName( 'page' );
 331                 $imagelinks = $dbr->tableName( 'imagelinks' );
 332
 333                 $sql = "SELECT page_namespace,page_title FROM $imagelinks,$page WHERE il_to=" .
 334                   $dbr->addQuotes( $this->mTitle->getDBkey() ) . " AND il_from=page_id"
 335                   . " LIMIT 500"; # quickie emergency brake
 336                 $res = $dbr->query( $sql, "ImagePage::imageLinks" );
 337
 338                 if ( 0 == $dbr->numRows( $res ) ) {
 339                         $wgOut->addHtml( '<p>' . wfMsg( "nolinkstoimage" ) . "</p>\n" );
 340                         return;
 341                 }
 342                 $wgOut->addHTML( '<p>' . wfMsg( 'linkstoimage' ) .  "</p>\n<ul>" );
 343
 344                 $sk = $wgUser->getSkin();
 345                 while ( $s = $dbr->fetchObject( $res ) ) {
 346                         $name = Title::MakeTitle( $s->page_namespace, $s->page_title );
 347                         $link = $sk->makeKnownLinkObj( $name, "" );
 348                         $wgOut->addHTML( "<li>{$link}</li>\n" );
 349                 }
 350                 $wgOut->addHTML( "</ul>\n" );
 351         }
 352
 353         function delete()
 354         {
 355                 global $wgUser, $wgOut, $wgRequest;
 356
 357                 $confirm = $wgRequest->getBool( 'wpConfirmB' );
 358                 $image = $wgRequest->getVal( 'image' );
 359                 $oldimage = $wgRequest->getVal( 'oldimage' );
 360
 361                 # Only sysops can delete images. Previously ordinary users could delete
 362                 # old revisions, but this is no longer the case.
 363                 if ( !$wgUser->isAllowed('delete') ) {
 364                         $wgOut->sysopRequired();
 365                         return;
 366                 }
 367                 if ( $wgUser->isBlocked() ) {
 368                         return $this->blockedIPpage();
 369                 }
 370                 if ( wfReadOnly() ) {
 371                         $wgOut->readOnlyPage();
 372                         return;
 373                 }
 374
 375                 # Better double-check that it hasn't been deleted yet!
 376                 $wgOut->setPagetitle( wfMsg( 'confirmdelete' ) );
 377                 if ( ( !is_null( $image ) )
 378                   && ( '' == trim( $image ) ) ) {
 379                         $wgOut->fatalError( wfMsg( 'cannotdelete' ) );
 380                         return;
 381                 }
 382
 383                 $this->img  = new Image( $this->mTitle );
 384
 385                 # Deleting old images doesn't require confirmation
 386                 if ( !is_null( $oldimage ) || $confirm ) {
 387                         if( $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
 388                                 $this->doDelete();
 389                         } else {
 390                                 $wgOut->fatalError( wfMsg( 'sessionfailure' ) );
 391                         }
 392                         return;
 393                 }
 394
 395                 if ( !is_null( $image ) ) {
 396                         $q = '&image=' . urlencode( $image );
 397                 } else if ( !is_null( $oldimage ) ) {
 398                         $q = '&oldimage=' . urlencode( $oldimage );
 399                 } else {
 400                         $q = '';
 401                 }
 402                 return $this->confirmDelete( $q, $wgRequest->getText( 'wpReason' ) );
 403         }
 404
 405         function doDelete()
 406         {
 407                 global $wgOut, $wgUser, $wgContLang, $wgRequest;
 408                 global $wgUseSquid, $wgInternalServer, $wgPostCommitUpdateList;
 409                 $fname = 'ImagePage::doDelete';
 410
 411                 $reason = $wgRequest->getVal( 'wpReason' );
 412                 $oldimage = $wgRequest->getVal( 'oldimage' );
 413
 414                 $dbw =& wfGetDB( DB_MASTER );
 415
 416                 if ( !is_null( $oldimage ) ) {
 417                         if ( strlen( $oldimage ) < 16 ) {
 418                                 $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 419                                 return;
 420                         }
 421                         if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
 422                                 $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 423                                 return;
 424                         }
 425
 426                         # Invalidate description page cache
 427                         $this->mTitle->invalidateCache();
 428
 429                         # Squid purging
 430                         if ( $wgUseSquid ) {
 431                                 $urlArr = Array(
 432                                         $wgInternalServer.wfImageArchiveUrl( $oldimage ),
 433                                         $wgInternalServer.$this->mTitle->getFullURL()
 434                                 );
 435                                 wfPurgeSquidServers($urlArr);
 436                         }
 437                         $this->doDeleteOldImage( $oldimage );
 438                         $dbw->delete( 'oldimage', array( 'oi_archive_name' => $oldimage ) );
 439                         $deleted = $oldimage;
 440                 } else {
 441                         $image = $this->mTitle->getDBkey();
 442                         $dest = wfImageDir( $image );
 443                         $archive = wfImageDir( $image );
 444
 445                         # Delete the image file if it exists; due to sync problems
 446                         # or manual trimming sometimes the file will be missing.
 447                         $targetFile = "{$dest}/{$image}";
 448                         if( file_exists( $targetFile ) && ! @unlink( $targetFile ) ) {
 449                                 # If the deletion operation actually failed, bug out:
 450                                 $wgOut->fileDeleteError( $targetFile );
 451                                 return;
 452                         }
 453                         $dbw->delete( 'image', array( 'img_name' => $image ) );
 454                         $res = $dbw->select( 'oldimage', array( 'oi_archive_name' ), array( 'oi_name' => $image ) );
 455
 456                         # Purge archive URLs from the squid
 457                         $urlArr = Array();
 458                         while ( $s = $dbw->fetchObject( $res ) ) {
 459                                 $this->doDeleteOldImage( $s->oi_archive_name );
 460                                 $urlArr[] = $wgInternalServer.wfImageArchiveUrl( $s->oi_archive_name );
 461                         }
 462
 463                         # And also the HTML of all pages using this image
 464                         $linksTo = $this->img->getLinksTo();
 465                         if ( $wgUseSquid ) {
 466                                 $u = SquidUpdate::newFromTitles( $linksTo, $urlArr );
 467                                 array_push( $wgPostCommitUpdateList, $u );
 468                         }
 469
 470                         $dbw->delete( 'oldimage', array( 'oi_name' => $image ) );
 471
 472                         # Image itself is now gone, and database is cleaned.
 473                         # Now we remove the image description page.
 474
 475                         $article = new Article( $this->mTitle );
 476                         $article->doDeleteArticle( $reason ); # ignore errors
 477
 478                         # Invalidate parser cache and client cache for pages using this image
 479                         # This is left until relatively late to reduce lock time
 480                         Title::touchArray( $linksTo );
 481
 482                         /* Delete thumbnails and refresh image metadata cache */
 483                         $this->img->purgeCache();
 484
 485
 486                         $deleted = $image;
 487                 }
 488
 489                 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
 490                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 491
 492                 $loglink = '[[Special:Log/delete|' . wfMsg( 'deletionlog' ) . ']]';
 493                 $text = wfMsg( 'deletedtext', $deleted, $loglink );
 494
 495                 $wgOut->addWikiText( $text );
 496
 497                 $wgOut->returnToMain( false, $this->mTitle->getPrefixedText() );
 498         }
 499
 500         function doDeleteOldImage( $oldimage )
 501         {
 502                 global $wgOut;
 503
 504                 $name = substr( $oldimage, 15 );
 505                 $archive = wfImageArchiveDir( $name );
 506
 507                 # Delete the image if it exists. Sometimes the file will be missing
 508                 # due to manual intervention or weird sync problems; treat that
 509                 # condition gracefully and continue to delete the database entry.
 510                 # Also some records may end up with an empty oi_archive_name field
 511                 # if the original file was missing when a new upload was made;
 512                 # don't try to delete the directory then!
 513                 #
 514                 $targetFile = "{$archive}/{$oldimage}";
 515                 if( $oldimage != '' && file_exists( $targetFile ) && !@unlink( $targetFile ) ) {
 516                         # If we actually have a file and can't delete it, throw an error.
 517                         $wgOut->fileDeleteError( "{$archive}/{$oldimage}" );
 518                 } else {
 519                         # Log the deletion
 520                         $log = new LogPage( 'delete' );
 521                         $log->addEntry( 'delete', $this->mTitle, wfMsg('deletedrevision',$oldimage) );
 522                 }
 523         }
 524
 525         function revert()
 526         {
 527                 global $wgOut, $wgRequest, $wgUser;
 528                 global $wgUseSquid, $wgInternalServer, $wgDeferredUpdateList;
 529
 530                 $oldimage = $wgRequest->getText( 'oldimage' );
 531                 if ( strlen( $oldimage ) < 16 ) {
 532                         $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 533                         return;
 534                 }
 535                 if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
 536                         $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 537                         return;
 538                 }
 539
 540                 if ( wfReadOnly() ) {
 541                         $wgOut->readOnlyPage();
 542                         return;
 543                 }
 544                 if( $wgUser->isAnon() ) {
 545                         $wgOut->errorpage( 'uploadnologin', 'uploadnologintext' );
 546                         return;
 547                 }
 548                 if ( ! $this->mTitle->userCanEdit() ) {
 549                         $wgOut->sysopRequired();
 550                         return;
 551                 }
 552                 if ( $wgUser->isBlocked() ) {
 553                         return $this->blockedIPpage();
 554                 }
 555                 if( !$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
 556                         $wgOut->errorpage( 'internalerror', 'sessionfailure' );
 557                         return;
 558                 }
 559                 $name = substr( $oldimage, 15 );
 560
 561                 $dest = wfImageDir( $name );
 562                 $archive = wfImageArchiveDir( $name );
 563                 $curfile = "{$dest}/{$name}";
 564
 565                 if ( ! is_file( $curfile ) ) {
 566                         $wgOut->fileNotFoundError( htmlspecialchars( $curfile ) );
 567                         return;
 568                 }
 569                 $oldver = wfTimestampNow() . "!{$name}";
 570
 571                 $dbr =& wfGetDB( DB_SLAVE );
 572                 $size = $dbr->selectField( 'oldimage', 'oi_size', array( 'oi_archive_name' => $oldimage )  );
 573
 574                 if ( ! rename( $curfile, "${archive}/{$oldver}" ) ) {
 575                         $wgOut->fileRenameError( $curfile, "${archive}/{$oldver}" );
 576                         return;
 577                 }
 578                 if ( ! copy( "{$archive}/{$oldimage}", $curfile ) ) {
 579                         $wgOut->fileCopyError( "${archive}/{$oldimage}", $curfile );
 580                 }
 581
 582                 # Record upload and update metadata cache
 583                 $img = Image::newFromName( $name );
 584                 $img->recordUpload( $oldver, wfMsg( "reverted" ) );
 585
 586                 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
 587                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 588                 $wgOut->addHTML( wfMsg( 'imagereverted' ) );
 589
 590                 $descTitle = $img->getTitle();
 591                 $wgOut->returnToMain( false, $descTitle->getPrefixedText() );
 592         }
 593
 594         function blockedIPpage() {
 595                 require_once( 'EditPage.php' );
 596                 $edit = new EditPage( $this );
 597                 return $edit->blockedIPpage();
 598         }
 599
 600 }
 601
 602 /**
 603  * @todo document
 604  * @package MediaWiki
 605  */
 606 class ImageHistoryList {
 607         function ImageHistoryList( &$skin ) {
 608                 $this->skin =& $skin;
 609         }
 610
 611         function beginImageHistoryList() {
 612                 $s = "\n<h2 id=\"filehistory\">" . wfMsg( 'imghistory' ) . "</h2>\n" .
 613                   "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
 614                 return $s;
 615         }
 616
 617         function endImageHistoryList() {
 618                 $s = "</ul>\n";
 619                 return $s;
 620         }
 621
 622         function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description ) {
 623                 global $wgUser, $wgLang, $wgContLang, $wgTitle;
 624
 625                 $datetime = $wgLang->timeanddate( $timestamp, true );
 626                 $del = wfMsg( 'deleteimg' );
 627                 $delall = wfMsg( 'deleteimgcompletely' );
 628                 $cur = wfMsg( 'cur' );
 629
 630                 if ( $iscur ) {
 631                         $url = Image::imageUrl( $img );
 632                         $rlink = $cur;
 633                         if ( $wgUser->isAllowed('delete') ) {
 634                                 $link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
 635                                   '&action=delete' );
 636                                 $style = $this->skin->getInternalLinkAttributes( $link, $delall );
 637
 638                                 $dlink = '<a href="'.$link.'"'.$style.'>'.$delall.'</a>';
 639                         } else {
 640                                 $dlink = $del;
 641                         }
 642                 } else {
 643                         $url = htmlspecialchars( wfImageArchiveUrl( $img ) );
 644                         if( $wgUser->getID() != 0 && $wgTitle->userCanEdit() ) {
 645                                 $token = urlencode( $wgUser->editToken( $img ) );
 646                                 $rlink = $this->skin->makeKnownLinkObj( $wgTitle,
 647                                            wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
 648                                            urlencode( $img ) . "&wpEditToken=$token" );
 649                                 $dlink = $this->skin->makeKnownLinkObj( $wgTitle,
 650                                            $del, 'action=delete&oldimage=' . urlencode( $img ) .
 651                                            "&wpEditToken=$token" );
 652                         } else {
 653                                 # Having live active links for non-logged in users
 654                                 # means that bots and spiders crawling our site can
 655                                 # inadvertently change content. Baaaad idea.
 656                                 $rlink = wfMsg( 'revertimg' );
 657                                 $dlink = $del;
 658                         }
 659                 }
 660                 if ( 0 == $user ) {
 661                         $userlink = $usertext;
 662                 } else {
 663                         $userlink = $this->skin->makeLinkObj(
 664                                 Title::makeTitle( NS_USER, $usertext ),
 665                                 $usertext );
 666                 }
 667                 $nbytes = wfMsg( 'nbytes', $size );
 668                 $style = $this->skin->getInternalLinkAttributes( $url, $datetime );
 669
 670                 $s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a>"
 671                   . " . . {$userlink} ({$nbytes})";
 672
 673                 $s .= $this->skin->commentBlock( $description, $wgTitle );
 674                 $s .= "</li>\n";
 675                 return $s;
 676         }
 677
 678 }
 679
 680
 681 ?>