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 render() {
  23                 global $wgOut;
  24                 $wgOut->setArticleBodyOnly(true);
  25                 $wgOut->addWikitext($this->getContent(true));
  26         }
  27
  28         function view() {
  29                 global $wgUseExternalEditor, $wgOut, $wgShowEXIF;
  30
  31                 $this->img = new Image( $this->mTitle );
  32
  33                 if( $this->mTitle->getNamespace() == NS_IMAGE  ) {
  34                         if ($wgShowEXIF && $this->img->exists()) {
  35                                 $exif = $this->img->getExifData();
  36                                 $showmeta = count($exif) ? true : false;
  37                         } else {
  38                                 $exif = false;
  39                                 $showmeta = false;
  40                         }
  41
  42                         if ($this->img->exists())
  43                                 $wgOut->addHTML($this->showTOC($showmeta));
  44
  45                         $this->openShowImage();
  46                         if ($exif)
  47                                 $wgOut->addWikiText($this->makeMetadataTable($exif));
  48
  49                         # No need to display noarticletext, we use our own message, output in openShowImage()
  50                         if( $this->getID() ) {
  51                                 Article::view();
  52                         } else {
  53                                 # Just need to set the right headers
  54                                 $wgOut->setArticleFlag( true );
  55                                 $wgOut->setRobotpolicy( 'index,follow' );
  56                                 $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
  57                                 $wgOut->addMetaTags();
  58                                 $this->viewUpdates();
  59                         }
  60
  61                         $this->closeShowImage();
  62                         $this->imageHistory();
  63                         $this->imageLinks();
  64                 } else {
  65                         Article::view();
  66                 }
  67         }
  68
  69         /**
  70          * Create the TOC
  71          *
  72          * @access private
  73          *
  74          * @param bool $metadata Whether or not to show the metadata link
  75          * @return string
  76          */
  77         function showTOC( $metadata ) {
  78                 global $wgLang;
  79                 $r = '<ul id="filetoc">
  80                         <li><a href="#file">' . $wgLang->getNsText( NS_IMAGE ) . '</a></li>' .
  81                         ($metadata ? '<li><a href="#metadata">' . wfMsg( 'metadata' ) . '</a></li>' : '') . '
  82                         <li><a href="#filehistory">' . wfMsg( 'imghistory' ) . '</a></li>
  83                         <li><a href="#filelinks">' . wfMsg( 'imagelinks' ) . '</a></li>
  84                 </ul>';
  85                 return $r;
  86         }
  87
  88         /**
  89          * Make a table with metadata to be shown in the output page.
  90          *
  91          * @access private
  92          *
  93          * @param array $exif The array containing the EXIF data
  94          * @return string
  95          */
  96         function makeMetadataTable( $exif ) {
  97                 $r = "{| class=metadata align=right width=250px\n";
  98                 $r .= '|+ id=metadata | '. htmlspecialchars( wfMsg( 'metadata' ) ) . "\n";
  99                 foreach( $exif as $k => $v ) {
 100                         $tag = strtolower( $k );
 101                         $r .= "! class=$tag |" . wfMsg( "exif-$tag" ) . "\n";
 102                         $r .= "| class=$tag |" . htmlspecialchars( $v ) . "\n";
 103                         $r .= "|-\n";
 104                 }
 105                 return substr($r, 0, -3) . '|}';
 106         }
 107
 108         /**
 109          * Overloading Article's getContent method.
 110          * Omit noarticletext if sharedupload
 111          *
 112          * @param $noredir If true, do not follow redirects
 113          */
 114         function getContent( $noredir )
 115         {
 116                 if ( $this->img && $this->img->fromSharedDirectory && 0 == $this->getID() ) {
 117                         return '';
 118                 }
 119                 return Article::getContent( $noredir );
 120         }
 121
 122         function openShowImage()
 123         {
 124                 global $wgOut, $wgUser, $wgImageLimits, $wgRequest,
 125                        $wgUseImageResize, $wgRepositoryBaseUrl,
 126                        $wgUseExternalEditor, $wgServer, $wgFetchCommonsDescriptions;
 127                 $full_url  = $this->img->getViewURL();
 128                 $anchoropen = '';
 129                 $anchorclose = '';
 130
 131                 if( $wgUser->getOption( 'imagesize' ) == '' ) {
 132                         $sizeSel = User::getDefaultOption( 'imagesize' );
 133                 } else {
 134                         $sizeSel = IntVal( $wgUser->getOption( 'imagesize' ) );
 135                 }
 136                 if( !isset( $wgImageLimits[$sizeSel] ) ) {
 137                         $sizeSel = User::getDefaultOption( 'imagesize' );
 138                 }
 139                 $max = $wgImageLimits[$sizeSel];
 140                 $maxWidth = $max[0];
 141                 $maxHeight = $max[1];
 142                 $sk = $wgUser->getSkin();
 143
 144                 if ( $this->img->exists() ) {
 145                         if($this->img->fromSharedDirectory
 146                            && $wgRepositoryBaseUrl && $wgFetchCommonsDescriptions) {
 147                                 $this->printSharedImageText();
 148                                 return;
 149                         }
 150
 151                         # image
 152                         $width = $this->img->getWidth();
 153                         $height = $this->img->getHeight();
 154                         $showLink = false;
 155
 156                         if ( $this->img->allowInlineDisplay() and $width and $height) {
 157                                 # image
 158
 159                                 # "Download high res version" link below the image
 160                                 $msg = wfMsg('showbigimage', $width, $height, intval( $this->img->getSize()/1024 ) );
 161                                 if ( $width > $maxWidth ) {
 162                                         $height = floor( $height * $maxWidth / $width );
 163                                         $width  = $maxWidth;
 164                                 }
 165                                 if ( $height > $maxHeight ) {
 166                                         $width = floor( $width * $maxHeight / $height );
 167                                         $height = $maxHeight;
 168                                 }
 169                                 if ( !$this->img->mustRender()
 170                                    && ( $width != $this->img->getWidth() || $height != $this->img->getHeight() ) ) {
 171                                         if( $wgUseImageResize ) {
 172                                                 $thumbnail = $this->img->getThumbnail( $width );
 173                                                 if ( $thumbnail == null ) {
 174                                                         $url = $full_url;
 175                                                 } else {
 176                                                         $url = $thumbnail->getUrl();
 177                                                 }
 178                                         } else {
 179                                                 # No resize ability? Show the full image, but scale
 180                                                 # it down in the browser so it fits on the page.
 181                                                 $url = $full_url;
 182                                         }
 183                                         $anchoropen  = "<a href=\"{$full_url}\">";
 184                                         $anchorclose = "</a><br />\n$anchoropen{$msg}</a>";
 185                                 } else {
 186                                         $url = $full_url;
 187                                         $showLink = $this->img->mustRender();
 188                                 }
 189                                 $wgOut->addHTML( '<div class="fullImageLink" id="file">' . $anchoropen .
 190                                      "<img border=\"0\" src=\"{$url}\" width=\"{$width}\" height=\"{$height}\" alt=\"" .
 191                                      htmlspecialchars( $wgRequest->getVal( 'image' ) ).'" />' . $anchorclose . '</div>' );
 192                         } else {
 193                                 #if direct link is allowed but it's not a renderable image, show an icon.
 194                                 if ($this->img->isSafeFile()) {
 195                                         $icon= $this->img->iconThumb();
 196
 197                                         $wgOut->addHTML( '<div class="fullImageLink" id="file"><a href="' . $full_url . '">' .
 198                                         $icon->toHtml() .
 199                                         '</a></div>' );
 200                                 }
 201
 202                                 $showLink = true;
 203                         }
 204
 205
 206                         if ($showLink) {
 207                                 $s= $sk->makeMediaLink( $this->img->getName(), '', '', true );
 208                                 $info= wfMsg( 'fileinfo', ceil($this->img->getSize()/1024.0), $this->img->getMimeType() );
 209
 210                                 if (!$this->img->isSafeFile()) {
 211                                         $wgOut->addHTML("<div class=\"fullMedia\">");
 212                                         $wgOut->addHTML("<span class=\"dangerousLink\">");
 213                                         $wgOut->addHTML($s);
 214                                         $wgOut->addHTML("</span>");
 215
 216                                         $wgOut->addHTML("<span class=\"fileInfo\"> (");
 217                                         $wgOut->addWikiText( $info, false );
 218                                         $wgOut->addHTML(")</span>");
 219                                         $wgOut->addHTML("</div>");
 220
 221                                         #this should be formated a little nicer. Is CSS sufficient?
 222                                         $wgOut->addHTML("<div class=\"mediaWarning\">");
 223                                         $wgOut->addWikiText( wfMsg( 'mediawarning' ) );
 224                                         $wgOut->addHTML('</div>');
 225
 226                                 } else {
 227                                         $wgOut->addHTML("<div class=\"fullMedia\">");
 228                                         $wgOut->addHTML($s);
 229
 230                                         $wgOut->addHTML("<span class=\"fileInfo\"> (");
 231                                         $wgOut->addWikiText( $info, false );
 232                                         $wgOut->addHTML(")</span>");
 233
 234                                         $wgOut->addHTML("</div>");
 235                                 }
 236                         }
 237
 238                         if($this->img->fromSharedDirectory) {
 239                                 $this->printSharedImageText();
 240                         }
 241                 } else {
 242                         # Image does not exist
 243                         $wgOut->addWikiText( wfMsg( 'noimage', $this->getUploadUrl() ) );
 244                 }
 245         }
 246
 247         function printSharedImageText() {
 248                 global $wgRepositoryBaseUrl, $wgFetchCommonsDescriptions, $wgOut;
 249
 250                 $url = $wgRepositoryBaseUrl . urlencode($this->mTitle->getDBkey());
 251                 $sharedtext = "<div class='sharedUploadNotice'>" . wfMsg("sharedupload");
 252                 if ($wgRepositoryBaseUrl) {
 253                         $sharedtext .= " " . wfMsg("shareduploadwiki", $url);
 254                 }
 255                 $sharedtext .= "</div>";
 256                 $wgOut->addWikiText($sharedtext);
 257
 258                 if ($wgRepositoryBaseUrl && $wgFetchCommonsDescriptions) {
 259                         $ur = ini_set('allow_url_fopen', true);
 260                         $text = @file_get_contents($url);
 261                         ini_set('allow_url_fopen', $ur);
 262                         if ($text)
 263                                 $wgOut->addHTML($text);
 264                 }
 265         }
 266
 267         function getUploadUrl() {
 268                 global $wgServer;
 269                 $uploadTitle = Title::makeTitle( NS_SPECIAL, 'Upload' );
 270                 return $wgServer . $uploadTitle->getLocalUrl( 'wpDestFile=' . urlencode( $this->img->getName() ) );
 271         }
 272
 273
 274         function uploadLinksBox()
 275         {
 276                 global $wgUser,$wgOut;
 277                 $sk = $wgUser->getSkin();
 278                 $wgOut->addHTML( '<br /><ul><li>' );
 279                 $wgOut->addWikiText( '<div>'. wfMsg( 'uploadnewversion', $this->getUploadUrl() ) .'</div>' );
 280                 $wgOut->addHTML( '</li><li>' );
 281                 $wgOut->addHTML( $sk->makeKnownLinkObj( $this->mTitle,
 282                         wfMsg( 'edit-externally' ), "action=edit&externaledit=true&mode=file" ) );
 283                 $wgOut->addWikiText( '<div>' .  wfMsg('edit-externally-help') . '</div>' );
 284                 $wgOut->addHTML( '</li></ul>' );
 285         }
 286
 287         function closeShowImage()
 288         {
 289                 # For overloading
 290
 291         }
 292
 293         /**
 294          * If the page we've just displayed is in the "Image" namespace,
 295          * we follow it with an upload history of the image and its usage.
 296          */
 297         function imageHistory()
 298         {
 299                 global $wgUser, $wgOut, $wgUseExternalEditor;
 300
 301                 $sk = $wgUser->getSkin();
 302
 303                 $line = $this->img->nextHistoryLine();
 304
 305                 if ( $line ) {
 306                         $list =& new ImageHistoryList( $sk );
 307                         $s = $list->beginImageHistoryList() .
 308                                 $list->imageHistoryLine( true, $line->img_timestamp,
 309                                         $this->mTitle->getDBkey(),  $line->img_user,
 310                                         $line->img_user_text, $line->img_size, $line->img_description );
 311
 312                         while ( $line = $this->img->nextHistoryLine() ) {
 313                                 $s .= $list->imageHistoryLine( false, $line->img_timestamp,
 314                                 $line->oi_archive_name, $line->img_user,
 315                                 $line->img_user_text, $line->img_size, $line->img_description );
 316                         }
 317                         $s .= $list->endImageHistoryList();
 318                 } else { $s=''; }
 319                 $wgOut->addHTML( $s );
 320
 321                 # Exist check because we don't want to show this on pages where an image
 322                 # doesn't exist along with the noimage message, that would suck. -ævar
 323                 if( $wgUseExternalEditor && $this->img->exists() ) {
 324                         $this->uploadLinksBox();
 325                 }
 326
 327         }
 328
 329         function imageLinks()
 330         {
 331                 global $wgUser, $wgOut;
 332
 333                 $wgOut->addHTML( '<h2 id="filelinks">' . wfMsg( 'imagelinks' ) . "</h2>\n" );
 334
 335                 $dbr =& wfGetDB( DB_SLAVE );
 336                 $page = $dbr->tableName( 'page' );
 337                 $imagelinks = $dbr->tableName( 'imagelinks' );
 338
 339                 $sql = "SELECT page_namespace,page_title FROM $imagelinks,$page WHERE il_to=" .
 340                   $dbr->addQuotes( $this->mTitle->getDBkey() ) . " AND il_from=page_id"
 341                   . " LIMIT 500"; # quickie emergency brake
 342                 $res = $dbr->query( $sql, "ImagePage::imageLinks" );
 343
 344                 if ( 0 == $dbr->numRows( $res ) ) {
 345                         $wgOut->addHtml( '<p>' . wfMsg( "nolinkstoimage" ) . "</p>\n" );
 346                         return;
 347                 }
 348                 $wgOut->addHTML( '<p>' . wfMsg( 'linkstoimage' ) .  "</p>\n<ul>" );
 349
 350                 $sk = $wgUser->getSkin();
 351                 while ( $s = $dbr->fetchObject( $res ) ) {
 352                         $name = Title::MakeTitle( $s->page_namespace, $s->page_title );
 353                         $link = $sk->makeKnownLinkObj( $name, "" );
 354                         $wgOut->addHTML( "<li>{$link}</li>\n" );
 355                 }
 356                 $wgOut->addHTML( "</ul>\n" );
 357         }
 358
 359         function delete()
 360         {
 361                 global $wgUser, $wgOut, $wgRequest;
 362
 363                 $confirm = $wgRequest->getBool( 'wpConfirmB' );
 364                 $image = $wgRequest->getVal( 'image' );
 365                 $oldimage = $wgRequest->getVal( 'oldimage' );
 366
 367                 # Only sysops can delete images. Previously ordinary users could delete
 368                 # old revisions, but this is no longer the case.
 369                 if ( !$wgUser->isAllowed('delete') ) {
 370                         $wgOut->sysopRequired();
 371                         return;
 372                 }
 373                 if ( $wgUser->isBlocked() ) {
 374                         return $this->blockedIPpage();
 375                 }
 376                 if ( wfReadOnly() ) {
 377                         $wgOut->readOnlyPage();
 378                         return;
 379                 }
 380
 381                 # Better double-check that it hasn't been deleted yet!
 382                 $wgOut->setPagetitle( wfMsg( 'confirmdelete' ) );
 383                 if ( ( !is_null( $image ) )
 384                   && ( '' == trim( $image ) ) ) {
 385                         $wgOut->fatalError( wfMsg( 'cannotdelete' ) );
 386                         return;
 387                 }
 388
 389                 $this->img  = new Image( $this->mTitle );
 390
 391                 # Deleting old images doesn't require confirmation
 392                 if ( !is_null( $oldimage ) || $confirm ) {
 393                         if( $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
 394                                 $this->doDelete();
 395                         } else {
 396                                 $wgOut->fatalError( wfMsg( 'sessionfailure' ) );
 397                         }
 398                         return;
 399                 }
 400
 401                 if ( !is_null( $image ) ) {
 402                         $q = '&image=' . urlencode( $image );
 403                 } else if ( !is_null( $oldimage ) ) {
 404                         $q = '&oldimage=' . urlencode( $oldimage );
 405                 } else {
 406                         $q = '';
 407                 }
 408                 return $this->confirmDelete( $q, $wgRequest->getText( 'wpReason' ) );
 409         }
 410
 411         function doDelete()
 412         {
 413                 global $wgOut, $wgUser, $wgContLang, $wgRequest;
 414                 global $wgUseSquid, $wgInternalServer, $wgPostCommitUpdateList;
 415                 $fname = 'ImagePage::doDelete';
 416
 417                 $reason = $wgRequest->getVal( 'wpReason' );
 418                 $oldimage = $wgRequest->getVal( 'oldimage' );
 419
 420                 $dbw =& wfGetDB( DB_MASTER );
 421
 422                 if ( !is_null( $oldimage ) ) {
 423                         if ( strlen( $oldimage ) < 16 ) {
 424                                 $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 425                                 return;
 426                         }
 427                         if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
 428                                 $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 429                                 return;
 430                         }
 431
 432                         # Invalidate description page cache
 433                         $this->mTitle->invalidateCache();
 434
 435                         # Squid purging
 436                         if ( $wgUseSquid ) {
 437                                 $urlArr = Array(
 438                                         $wgInternalServer.wfImageArchiveUrl( $oldimage ),
 439                                         $wgInternalServer.$this->mTitle->getFullURL()
 440                                 );
 441                                 wfPurgeSquidServers($urlArr);
 442                         }
 443                         $this->doDeleteOldImage( $oldimage );
 444                         $dbw->delete( 'oldimage', array( 'oi_archive_name' => $oldimage ) );
 445                         $deleted = $oldimage;
 446                 } else {
 447                         $image = $this->mTitle->getDBkey();
 448                         $dest = wfImageDir( $image );
 449                         $archive = wfImageDir( $image );
 450
 451                         # Delete the image file if it exists; due to sync problems
 452                         # or manual trimming sometimes the file will be missing.
 453                         $targetFile = "{$dest}/{$image}";
 454                         if( file_exists( $targetFile ) && ! @unlink( $targetFile ) ) {
 455                                 # If the deletion operation actually failed, bug out:
 456                                 $wgOut->fileDeleteError( $targetFile );
 457                                 return;
 458                         }
 459                         $dbw->delete( 'image', array( 'img_name' => $image ) );
 460                         $res = $dbw->select( 'oldimage', array( 'oi_archive_name' ), array( 'oi_name' => $image ) );
 461
 462                         # Purge archive URLs from the squid
 463                         $urlArr = Array();
 464                         while ( $s = $dbw->fetchObject( $res ) ) {
 465                                 $this->doDeleteOldImage( $s->oi_archive_name );
 466                                 $urlArr[] = $wgInternalServer.wfImageArchiveUrl( $s->oi_archive_name );
 467                         }
 468
 469                         # And also the HTML of all pages using this image
 470                         $linksTo = $this->img->getLinksTo();
 471                         if ( $wgUseSquid ) {
 472                                 $u = SquidUpdate::newFromTitles( $linksTo, $urlArr );
 473                                 array_push( $wgPostCommitUpdateList, $u );
 474                         }
 475
 476                         $dbw->delete( 'oldimage', array( 'oi_name' => $image ) );
 477
 478                         # Image itself is now gone, and database is cleaned.
 479                         # Now we remove the image description page.
 480
 481                         $article = new Article( $this->mTitle );
 482                         $article->doDeleteArticle( $reason ); # ignore errors
 483
 484                         # Invalidate parser cache and client cache for pages using this image
 485                         # This is left until relatively late to reduce lock time
 486                         Title::touchArray( $linksTo );
 487
 488                         /* Delete thumbnails and refresh image metadata cache */
 489                         $this->img->purgeCache();
 490
 491
 492                         $deleted = $image;
 493                 }
 494
 495                 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
 496                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 497
 498                 $loglink = '[[Special:Log/delete|' . wfMsg( 'deletionlog' ) . ']]';
 499                 $text = wfMsg( 'deletedtext', $deleted, $loglink );
 500
 501                 $wgOut->addWikiText( $text );
 502
 503                 $wgOut->returnToMain( false, $this->mTitle->getPrefixedText() );
 504         }
 505
 506         function doDeleteOldImage( $oldimage )
 507         {
 508                 global $wgOut;
 509
 510                 $name = substr( $oldimage, 15 );
 511                 $archive = wfImageArchiveDir( $name );
 512
 513                 # Delete the image if it exists. Sometimes the file will be missing
 514                 # due to manual intervention or weird sync problems; treat that
 515                 # condition gracefully and continue to delete the database entry.
 516                 # Also some records may end up with an empty oi_archive_name field
 517                 # if the original file was missing when a new upload was made;
 518                 # don't try to delete the directory then!
 519                 #
 520                 $targetFile = "{$archive}/{$oldimage}";
 521                 if( $oldimage != '' && file_exists( $targetFile ) && !@unlink( $targetFile ) ) {
 522                         # If we actually have a file and can't delete it, throw an error.
 523                         $wgOut->fileDeleteError( "{$archive}/{$oldimage}" );
 524                 } else {
 525                         # Log the deletion
 526                         $log = new LogPage( 'delete' );
 527                         $log->addEntry( 'delete', $this->mTitle, wfMsg('deletedrevision',$oldimage) );
 528                 }
 529         }
 530
 531         function revert()
 532         {
 533                 global $wgOut, $wgRequest, $wgUser;
 534                 global $wgUseSquid, $wgInternalServer, $wgDeferredUpdateList;
 535
 536                 $oldimage = $wgRequest->getText( 'oldimage' );
 537                 if ( strlen( $oldimage ) < 16 ) {
 538                         $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 539                         return;
 540                 }
 541                 if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
 542                         $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 543                         return;
 544                 }
 545
 546                 if ( wfReadOnly() ) {
 547                         $wgOut->readOnlyPage();
 548                         return;
 549                 }
 550                 if( $wgUser->isAnon() ) {
 551                         $wgOut->errorpage( 'uploadnologin', 'uploadnologintext' );
 552                         return;
 553                 }
 554                 if ( ! $this->mTitle->userCanEdit() ) {
 555                         $wgOut->sysopRequired();
 556                         return;
 557                 }
 558                 if ( $wgUser->isBlocked() ) {
 559                         return $this->blockedIPpage();
 560                 }
 561                 if( !$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
 562                         $wgOut->errorpage( 'internalerror', 'sessionfailure' );
 563                         return;
 564                 }
 565                 $name = substr( $oldimage, 15 );
 566
 567                 $dest = wfImageDir( $name );
 568                 $archive = wfImageArchiveDir( $name );
 569                 $curfile = "{$dest}/{$name}";
 570
 571                 if ( ! is_file( $curfile ) ) {
 572                         $wgOut->fileNotFoundError( htmlspecialchars( $curfile ) );
 573                         return;
 574                 }
 575                 $oldver = wfTimestampNow() . "!{$name}";
 576
 577                 $dbr =& wfGetDB( DB_SLAVE );
 578                 $size = $dbr->selectField( 'oldimage', 'oi_size', array( 'oi_archive_name' => $oldimage )  );
 579
 580                 if ( ! rename( $curfile, "${archive}/{$oldver}" ) ) {
 581                         $wgOut->fileRenameError( $curfile, "${archive}/{$oldver}" );
 582                         return;
 583                 }
 584                 if ( ! copy( "{$archive}/{$oldimage}", $curfile ) ) {
 585                         $wgOut->fileCopyError( "${archive}/{$oldimage}", $curfile );
 586                 }
 587
 588                 # Record upload and update metadata cache
 589                 $img = Image::newFromName( $name );
 590                 $img->recordUpload( $oldver, wfMsg( "reverted" ) );
 591
 592                 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
 593                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 594                 $wgOut->addHTML( wfMsg( 'imagereverted' ) );
 595
 596                 $descTitle = $img->getTitle();
 597                 $wgOut->returnToMain( false, $descTitle->getPrefixedText() );
 598         }
 599
 600         function blockedIPpage() {
 601                 require_once( 'EditPage.php' );
 602                 $edit = new EditPage( $this );
 603                 return $edit->blockedIPpage();
 604         }
 605
 606 }
 607
 608 /**
 609  * @todo document
 610  * @package MediaWiki
 611  */
 612 class ImageHistoryList {
 613         function ImageHistoryList( &$skin ) {
 614                 $this->skin =& $skin;
 615         }
 616
 617         function beginImageHistoryList() {
 618                 $s = "\n<h2 id=\"filehistory\">" . wfMsg( 'imghistory' ) . "</h2>\n" .
 619                   "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
 620                 return $s;
 621         }
 622
 623         function endImageHistoryList() {
 624                 $s = "</ul>\n";
 625                 return $s;
 626         }
 627
 628         function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description ) {
 629                 global $wgUser, $wgLang, $wgContLang, $wgTitle;
 630
 631                 $datetime = $wgLang->timeanddate( $timestamp, true );
 632                 $del = wfMsg( 'deleteimg' );
 633                 $delall = wfMsg( 'deleteimgcompletely' );
 634                 $cur = wfMsg( 'cur' );
 635
 636                 if ( $iscur ) {
 637                         $url = Image::imageUrl( $img );
 638                         $rlink = $cur;
 639                         if ( $wgUser->isAllowed('delete') ) {
 640                                 $link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
 641                                   '&action=delete' );
 642                                 $style = $this->skin->getInternalLinkAttributes( $link, $delall );
 643
 644                                 $dlink = '<a href="'.$link.'"'.$style.'>'.$delall.'</a>';
 645                         } else {
 646                                 $dlink = $del;
 647                         }
 648                 } else {
 649                         $url = htmlspecialchars( wfImageArchiveUrl( $img ) );
 650                         if( $wgUser->getID() != 0 && $wgTitle->userCanEdit() ) {
 651                                 $token = urlencode( $wgUser->editToken( $img ) );
 652                                 $rlink = $this->skin->makeKnownLinkObj( $wgTitle,
 653                                            wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
 654                                            urlencode( $img ) . "&wpEditToken=$token" );
 655                                 $dlink = $this->skin->makeKnownLinkObj( $wgTitle,
 656                                            $del, 'action=delete&oldimage=' . urlencode( $img ) .
 657                                            "&wpEditToken=$token" );
 658                         } else {
 659                                 # Having live active links for non-logged in users
 660                                 # means that bots and spiders crawling our site can
 661                                 # inadvertently change content. Baaaad idea.
 662                                 $rlink = wfMsg( 'revertimg' );
 663                                 $dlink = $del;
 664                         }
 665                 }
 666                 if ( 0 == $user ) {
 667                         $userlink = $usertext;
 668                 } else {
 669                         $userlink = $this->skin->makeLinkObj(
 670                                 Title::makeTitle( NS_USER, $usertext ),
 671                                 $usertext );
 672                 }
 673                 $nbytes = wfMsg( 'nbytes', $size );
 674                 $style = $this->skin->getInternalLinkAttributes( $url, $datetime );
 675
 676                 $s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a>"
 677                   . " . . {$userlink} ({$nbytes})";
 678
 679                 $s .= $this->skin->commentBlock( $description, $wgTitle );
 680                 $s .= "</li>\n";
 681                 return $s;
 682         }
 683
 684 }
 685
 686
 687 ?>