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         var $mExtraDescription = false;
  22
  23         function render() {
  24                 global $wgOut;
  25                 $wgOut->setArticleBodyOnly(true);
  26                 $wgOut->addWikitext($this->getContent(true));
  27         }
  28
  29         function view() {
  30                 global $wgUseExternalEditor, $wgOut, $wgShowEXIF;
  31
  32                 $this->img = new Image( $this->mTitle );
  33
  34                 if( $this->mTitle->getNamespace() == NS_IMAGE  ) {
  35                         if ($wgShowEXIF && $this->img->exists()) {
  36                                 $exif = $this->img->getExifData();
  37                                 $showmeta = count($exif) ? true : false;
  38                         } else {
  39                                 $exif = false;
  40                                 $showmeta = false;
  41                         }
  42
  43                         if ($this->img->exists())
  44                                 $wgOut->addHTML($this->showTOC($showmeta));
  45
  46                         $this->openShowImage();
  47                         if ($exif)
  48                                 $wgOut->addWikiText($this->makeMetadataTable($exif));
  49
  50                         # No need to display noarticletext, we use our own message, output in openShowImage()
  51                         if( $this->getID() ) {
  52                                 Article::view();
  53                         } else {
  54                                 # Just need to set the right headers
  55                                 $wgOut->setArticleFlag( true );
  56                                 $wgOut->setRobotpolicy( 'index,follow' );
  57                                 $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
  58                                 $wgOut->addMetaTags();
  59                                 $this->viewUpdates();
  60                         }
  61
  62                         if ($this->mExtraDescription) {
  63                                 $fol = wfMsg('shareddescriptionfollows');
  64                                 if ($fol != '-')
  65                                         $wgOut->addWikiText(wfMsg('shareddescriptionfollows'));
  66                                 $wgOut->addHTML($this->mExtraDescription);
  67                         }
  68
  69                         $this->closeShowImage();
  70                         $this->imageHistory();
  71                         $this->imageLinks();
  72                 } else {
  73                         Article::view();
  74                 }
  75         }
  76
  77         /**
  78          * Create the TOC
  79          *
  80          * @access private
  81          *
  82          * @param bool $metadata Whether or not to show the metadata link
  83          * @return string
  84          */
  85         function showTOC( $metadata ) {
  86                 global $wgLang;
  87                 $r = '<ul id="filetoc">
  88                         <li><a href="#file">' . $wgLang->getNsText( NS_IMAGE ) . '</a></li>' .
  89                         ($metadata ? '<li><a href="#metadata">' . wfMsg( 'metadata' ) . '</a></li>' : '') . '
  90                         <li><a href="#filehistory">' . wfMsg( 'imghistory' ) . '</a></li>
  91                         <li><a href="#filelinks">' . wfMsg( 'imagelinks' ) . '</a></li>
  92                 </ul>';
  93                 return $r;
  94         }
  95
  96         /**
  97          * Make a table with metadata to be shown in the output page.
  98          *
  99          * @access private
 100          *
 101          * @param array $exif The array containing the EXIF data
 102          * @return string
 103          */
 104         function makeMetadataTable( $exif ) {
 105                 $r = "{| class=metadata align=right width=250px\n";
 106                 $r .= '|+ id=metadata | '. htmlspecialchars( wfMsg( 'metadata' ) ) . "\n";
 107                 foreach( $exif as $k => $v ) {
 108                         $tag = strtolower( $k );
 109                         $r .= "! class=$tag |" . wfMsg( "exif-$tag" ) . "\n";
 110                         $r .= "| class=$tag |" . htmlspecialchars( $v ) . "\n";
 111                         $r .= "|-\n";
 112                 }
 113                 return substr($r, 0, -3) . '|}';
 114         }
 115
 116         /**
 117          * Overloading Article's getContent method.
 118          * Omit noarticletext if sharedupload
 119          *
 120          * @param $noredir If true, do not follow redirects
 121          */
 122         function getContent( $noredir )
 123         {
 124                 if ( $this->img && $this->img->fromSharedDirectory && 0 == $this->getID() ) {
 125                         return '';
 126                 }
 127                 return Article::getContent( $noredir );
 128         }
 129
 130         function openShowImage()
 131         {
 132                 global $wgOut, $wgUser, $wgImageLimits, $wgRequest,
 133                        $wgUseImageResize, $wgRepositoryBaseUrl,
 134                        $wgUseExternalEditor, $wgServer, $wgFetchCommonsDescriptions;
 135                 $full_url  = $this->img->getViewURL();
 136                 $anchoropen = '';
 137                 $anchorclose = '';
 138
 139                 if( $wgUser->getOption( 'imagesize' ) == '' ) {
 140                         $sizeSel = User::getDefaultOption( 'imagesize' );
 141                 } else {
 142                         $sizeSel = IntVal( $wgUser->getOption( 'imagesize' ) );
 143                 }
 144                 if( !isset( $wgImageLimits[$sizeSel] ) ) {
 145                         $sizeSel = User::getDefaultOption( 'imagesize' );
 146                 }
 147                 $max = $wgImageLimits[$sizeSel];
 148                 $maxWidth = $max[0];
 149                 $maxHeight = $max[1];
 150                 $sk = $wgUser->getSkin();
 151
 152                 if ( $this->img->exists() ) {
 153                         # image
 154                         $width = $this->img->getWidth();
 155                         $height = $this->img->getHeight();
 156                         $showLink = false;
 157
 158                         if ( $this->img->allowInlineDisplay() and $width and $height) {
 159                                 # image
 160
 161                                 # "Download high res version" link below the image
 162                                 $msg = wfMsg('showbigimage', $width, $height, intval( $this->img->getSize()/1024 ) );
 163                                 if ( $width > $maxWidth ) {
 164                                         $height = floor( $height * $maxWidth / $width );
 165                                         $width  = $maxWidth;
 166                                 }
 167                                 if ( $height > $maxHeight ) {
 168                                         $width = floor( $width * $maxHeight / $height );
 169                                         $height = $maxHeight;
 170                                 }
 171                                 if ( !$this->img->mustRender()
 172                                    && ( $width != $this->img->getWidth() || $height != $this->img->getHeight() ) ) {
 173                                         if( $wgUseImageResize ) {
 174                                                 $thumbnail = $this->img->getThumbnail( $width );
 175                                                 if ( $thumbnail == null ) {
 176                                                         $url = $full_url;
 177                                                 } else {
 178                                                         $url = $thumbnail->getUrl();
 179                                                 }
 180                                         } else {
 181                                                 # No resize ability? Show the full image, but scale
 182                                                 # it down in the browser so it fits on the page.
 183                                                 $url = $full_url;
 184                                         }
 185                                         $anchoropen  = "<a href=\"{$full_url}\">";
 186                                         $anchorclose = "</a><br />\n$anchoropen{$msg}</a>";
 187                                 } else {
 188                                         $url = $full_url;
 189                                         $showLink = $this->img->mustRender();
 190                                 }
 191                                 $wgOut->addHTML( '<div class="fullImageLink" id="file">' . $anchoropen .
 192                                      "<img border=\"0\" src=\"{$url}\" width=\"{$width}\" height=\"{$height}\" alt=\"" .
 193                                      htmlspecialchars( $wgRequest->getVal( 'image' ) ).'" />' . $anchorclose . '</div>' );
 194                         } else {
 195                                 #if direct link is allowed but it's not a renderable image, show an icon.
 196                                 if ($this->img->isSafeFile()) {
 197                                         $icon= $this->img->iconThumb();
 198
 199                                         $wgOut->addHTML( '<div class="fullImageLink" id="file"><a href="' . $full_url . '">' .
 200                                         $icon->toHtml() .
 201                                         '</a></div>' );
 202                                 }
 203
 204                                 $showLink = true;
 205                         }
 206
 207
 208                         if ($showLink) {
 209                                 $s= $sk->makeMediaLink( $this->img->getName(), '', '', true );
 210                                 $info= wfMsg( 'fileinfo', ceil($this->img->getSize()/1024.0), $this->img->getMimeType() );
 211
 212                                 if (!$this->img->isSafeFile()) {
 213                                         $wgOut->addHTML("<div class=\"fullMedia\">");
 214                                         $wgOut->addHTML("<span class=\"dangerousLink\">");
 215                                         $wgOut->addHTML($s);
 216                                         $wgOut->addHTML("</span>");
 217
 218                                         $wgOut->addHTML("<span class=\"fileInfo\"> (");
 219                                         $wgOut->addWikiText( $info, false );
 220                                         $wgOut->addHTML(")</span>");
 221                                         $wgOut->addHTML("</div>");
 222
 223                                         #this should be formated a little nicer. Is CSS sufficient?
 224                                         $wgOut->addHTML("<div class=\"mediaWarning\">");
 225                                         $wgOut->addWikiText( wfMsg( 'mediawarning' ) );
 226                                         $wgOut->addHTML('</div>');
 227
 228                                 } else {
 229                                         $wgOut->addHTML("<div class=\"fullMedia\">");
 230                                         $wgOut->addHTML($s);
 231
 232                                         $wgOut->addHTML("<span class=\"fileInfo\"> (");
 233                                         $wgOut->addWikiText( $info, false );
 234                                         $wgOut->addHTML(")</span>");
 235
 236                                         $wgOut->addHTML("</div>");
 237                                 }
 238                         }
 239
 240                         if($this->img->fromSharedDirectory) {
 241                                 $this->printSharedImageText();
 242                         }
 243                 } else {
 244                         # Image does not exist
 245                         $wgOut->addWikiText( wfMsg( 'noimage', $this->getUploadUrl() ) );
 246                 }
 247         }
 248
 249         function printSharedImageText() {
 250                 global $wgRepositoryBaseUrl, $wgFetchCommonsDescriptions, $wgOut;
 251
 252                 $url = $wgRepositoryBaseUrl . urlencode($this->mTitle->getDBkey());
 253                 $sharedtext = "<div class='sharedUploadNotice'>" . wfMsg("sharedupload");
 254                 if ($wgRepositoryBaseUrl && !$wgFetchCommonsDescriptions) {
 255                         $sharedtext .= " " . wfMsg("shareduploadwiki", $url);
 256                 }
 257                 $sharedtext .= "</div>";
 258                 $wgOut->addWikiText($sharedtext);
 259
 260                 if ($wgRepositoryBaseUrl && $wgFetchCommonsDescriptions) {
 261                         $ur = ini_set('allow_url_fopen', true);
 262                         $text = wfGetHTTP($url . '?action=render');
 263                         ini_set('allow_url_fopen', $ur);
 264                         if ($text)
 265                                 $this->mExtraDescription = $text;
 266                 }
 267         }
 268
 269         function getUploadUrl() {
 270                 global $wgServer;
 271                 $uploadTitle = Title::makeTitle( NS_SPECIAL, 'Upload' );
 272                 return $wgServer . $uploadTitle->getLocalUrl( 'wpDestFile=' . urlencode( $this->img->getName() ) );
 273         }
 274
 275
 276         function uploadLinksBox()
 277         {
 278                 global $wgUser, $wgOut;
 279
 280                 if ($this->img->fromSharedDirectory)
 281                         return;
 282
 283                 $sk = $wgUser->getSkin();
 284                 $wgOut->addHTML( '<br /><ul><li>' );
 285                 $wgOut->addWikiText( '<div>'. wfMsg( 'uploadnewversion', $this->getUploadUrl() ) .'</div>' );
 286                 $wgOut->addHTML( '</li><li>' );
 287                 $wgOut->addHTML( $sk->makeKnownLinkObj( $this->mTitle,
 288                         wfMsg( 'edit-externally' ), "action=edit&externaledit=true&mode=file" ) );
 289                 $wgOut->addWikiText( '<div>' .  wfMsg('edit-externally-help') . '</div>' );
 290                 $wgOut->addHTML( '</li></ul>' );
 291         }
 292
 293         function closeShowImage()
 294         {
 295                 # For overloading
 296
 297         }
 298
 299         /**
 300          * If the page we've just displayed is in the "Image" namespace,
 301          * we follow it with an upload history of the image and its usage.
 302          */
 303         function imageHistory()
 304         {
 305                 global $wgUser, $wgOut, $wgUseExternalEditor;
 306
 307                 $sk = $wgUser->getSkin();
 308
 309                 $line = $this->img->nextHistoryLine();
 310
 311                 if ( $line ) {
 312                         $list =& new ImageHistoryList( $sk );
 313                         $s = $list->beginImageHistoryList() .
 314                                 $list->imageHistoryLine( true, $line->img_timestamp,
 315                                         $this->mTitle->getDBkey(),  $line->img_user,
 316                                         $line->img_user_text, $line->img_size, $line->img_description );
 317
 318                         while ( $line = $this->img->nextHistoryLine() ) {
 319                                 $s .= $list->imageHistoryLine( false, $line->img_timestamp,
 320                                 $line->oi_archive_name, $line->img_user,
 321                                 $line->img_user_text, $line->img_size, $line->img_description );
 322                         }
 323                         $s .= $list->endImageHistoryList();
 324                 } else { $s=''; }
 325                 $wgOut->addHTML( $s );
 326
 327                 # Exist check because we don't want to show this on pages where an image
 328                 # doesn't exist along with the noimage message, that would suck. -ævar
 329                 if( $wgUseExternalEditor && $this->img->exists() ) {
 330                         $this->uploadLinksBox();
 331                 }
 332
 333         }
 334
 335         function imageLinks()
 336         {
 337                 global $wgUser, $wgOut;
 338
 339                 $wgOut->addHTML( '<h2 id="filelinks">' . wfMsg( 'imagelinks' ) . "</h2>\n" );
 340
 341                 $dbr =& wfGetDB( DB_SLAVE );
 342                 $page = $dbr->tableName( 'page' );
 343                 $imagelinks = $dbr->tableName( 'imagelinks' );
 344
 345                 $sql = "SELECT page_namespace,page_title FROM $imagelinks,$page WHERE il_to=" .
 346                   $dbr->addQuotes( $this->mTitle->getDBkey() ) . " AND il_from=page_id"
 347                   . " LIMIT 500"; # quickie emergency brake
 348                 $res = $dbr->query( $sql, "ImagePage::imageLinks" );
 349
 350                 if ( 0 == $dbr->numRows( $res ) ) {
 351                         $wgOut->addHtml( '<p>' . wfMsg( "nolinkstoimage" ) . "</p>\n" );
 352                         return;
 353                 }
 354                 $wgOut->addHTML( '<p>' . wfMsg( 'linkstoimage' ) .  "</p>\n<ul>" );
 355
 356                 $sk = $wgUser->getSkin();
 357                 while ( $s = $dbr->fetchObject( $res ) ) {
 358                         $name = Title::MakeTitle( $s->page_namespace, $s->page_title );
 359                         $link = $sk->makeKnownLinkObj( $name, "" );
 360                         $wgOut->addHTML( "<li>{$link}</li>\n" );
 361                 }
 362                 $wgOut->addHTML( "</ul>\n" );
 363         }
 364
 365         function delete()
 366         {
 367                 global $wgUser, $wgOut, $wgRequest;
 368
 369                 $confirm = $wgRequest->getBool( 'wpConfirmB' );
 370                 $image = $wgRequest->getVal( 'image' );
 371                 $oldimage = $wgRequest->getVal( 'oldimage' );
 372
 373                 # Only sysops can delete images. Previously ordinary users could delete
 374                 # old revisions, but this is no longer the case.
 375                 if ( !$wgUser->isAllowed('delete') ) {
 376                         $wgOut->sysopRequired();
 377                         return;
 378                 }
 379                 if ( $wgUser->isBlocked() ) {
 380                         return $this->blockedIPpage();
 381                 }
 382                 if ( wfReadOnly() ) {
 383                         $wgOut->readOnlyPage();
 384                         return;
 385                 }
 386
 387                 # Better double-check that it hasn't been deleted yet!
 388                 $wgOut->setPagetitle( wfMsg( 'confirmdelete' ) );
 389                 if ( ( !is_null( $image ) )
 390                   && ( '' == trim( $image ) ) ) {
 391                         $wgOut->fatalError( wfMsg( 'cannotdelete' ) );
 392                         return;
 393                 }
 394
 395                 $this->img  = new Image( $this->mTitle );
 396
 397                 # Deleting old images doesn't require confirmation
 398                 if ( !is_null( $oldimage ) || $confirm ) {
 399                         if( $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
 400                                 $this->doDelete();
 401                         } else {
 402                                 $wgOut->fatalError( wfMsg( 'sessionfailure' ) );
 403                         }
 404                         return;
 405                 }
 406
 407                 if ( !is_null( $image ) ) {
 408                         $q = '&image=' . urlencode( $image );
 409                 } else if ( !is_null( $oldimage ) ) {
 410                         $q = '&oldimage=' . urlencode( $oldimage );
 411                 } else {
 412                         $q = '';
 413                 }
 414                 return $this->confirmDelete( $q, $wgRequest->getText( 'wpReason' ) );
 415         }
 416
 417         function doDelete()
 418         {
 419                 global $wgOut, $wgUser, $wgContLang, $wgRequest;
 420                 global $wgUseSquid, $wgInternalServer, $wgPostCommitUpdateList;
 421                 $fname = 'ImagePage::doDelete';
 422
 423                 $reason = $wgRequest->getVal( 'wpReason' );
 424                 $oldimage = $wgRequest->getVal( 'oldimage' );
 425
 426                 $dbw =& wfGetDB( DB_MASTER );
 427
 428                 if ( !is_null( $oldimage ) ) {
 429                         if ( strlen( $oldimage ) < 16 ) {
 430                                 $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 431                                 return;
 432                         }
 433                         if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
 434                                 $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 435                                 return;
 436                         }
 437
 438                         # Invalidate description page cache
 439                         $this->mTitle->invalidateCache();
 440
 441                         # Squid purging
 442                         if ( $wgUseSquid ) {
 443                                 $urlArr = Array(
 444                                         $wgInternalServer.wfImageArchiveUrl( $oldimage ),
 445                                         $wgInternalServer.$this->mTitle->getFullURL()
 446                                 );
 447                                 wfPurgeSquidServers($urlArr);
 448                         }
 449                         $this->doDeleteOldImage( $oldimage );
 450                         $dbw->delete( 'oldimage', array( 'oi_archive_name' => $oldimage ) );
 451                         $deleted = $oldimage;
 452                 } else {
 453                         $image = $this->mTitle->getDBkey();
 454                         $dest = wfImageDir( $image );
 455                         $archive = wfImageDir( $image );
 456
 457                         # Delete the image file if it exists; due to sync problems
 458                         # or manual trimming sometimes the file will be missing.
 459                         $targetFile = "{$dest}/{$image}";
 460                         if( file_exists( $targetFile ) && ! @unlink( $targetFile ) ) {
 461                                 # If the deletion operation actually failed, bug out:
 462                                 $wgOut->fileDeleteError( $targetFile );
 463                                 return;
 464                         }
 465                         $dbw->delete( 'image', array( 'img_name' => $image ) );
 466                         $res = $dbw->select( 'oldimage', array( 'oi_archive_name' ), array( 'oi_name' => $image ) );
 467
 468                         # Purge archive URLs from the squid
 469                         $urlArr = Array();
 470                         while ( $s = $dbw->fetchObject( $res ) ) {
 471                                 $this->doDeleteOldImage( $s->oi_archive_name );
 472                                 $urlArr[] = $wgInternalServer.wfImageArchiveUrl( $s->oi_archive_name );
 473                         }
 474
 475                         # And also the HTML of all pages using this image
 476                         $linksTo = $this->img->getLinksTo();
 477                         if ( $wgUseSquid ) {
 478                                 $u = SquidUpdate::newFromTitles( $linksTo, $urlArr );
 479                                 array_push( $wgPostCommitUpdateList, $u );
 480                         }
 481
 482                         $dbw->delete( 'oldimage', array( 'oi_name' => $image ) );
 483
 484                         # Image itself is now gone, and database is cleaned.
 485                         # Now we remove the image description page.
 486
 487                         $article = new Article( $this->mTitle );
 488                         $article->doDeleteArticle( $reason ); # ignore errors
 489
 490                         # Invalidate parser cache and client cache for pages using this image
 491                         # This is left until relatively late to reduce lock time
 492                         Title::touchArray( $linksTo );
 493
 494                         /* Delete thumbnails and refresh image metadata cache */
 495                         $this->img->purgeCache();
 496
 497
 498                         $deleted = $image;
 499                 }
 500
 501                 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
 502                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 503
 504                 $loglink = '[[Special:Log/delete|' . wfMsg( 'deletionlog' ) . ']]';
 505                 $text = wfMsg( 'deletedtext', $deleted, $loglink );
 506
 507                 $wgOut->addWikiText( $text );
 508
 509                 $wgOut->returnToMain( false, $this->mTitle->getPrefixedText() );
 510         }
 511
 512         function doDeleteOldImage( $oldimage )
 513         {
 514                 global $wgOut;
 515
 516                 $name = substr( $oldimage, 15 );
 517                 $archive = wfImageArchiveDir( $name );
 518
 519                 # Delete the image if it exists. Sometimes the file will be missing
 520                 # due to manual intervention or weird sync problems; treat that
 521                 # condition gracefully and continue to delete the database entry.
 522                 # Also some records may end up with an empty oi_archive_name field
 523                 # if the original file was missing when a new upload was made;
 524                 # don't try to delete the directory then!
 525                 #
 526                 $targetFile = "{$archive}/{$oldimage}";
 527                 if( $oldimage != '' && file_exists( $targetFile ) && !@unlink( $targetFile ) ) {
 528                         # If we actually have a file and can't delete it, throw an error.
 529                         $wgOut->fileDeleteError( "{$archive}/{$oldimage}" );
 530                 } else {
 531                         # Log the deletion
 532                         $log = new LogPage( 'delete' );
 533                         $log->addEntry( 'delete', $this->mTitle, wfMsg('deletedrevision',$oldimage) );
 534                 }
 535         }
 536
 537         function revert()
 538         {
 539                 global $wgOut, $wgRequest, $wgUser;
 540                 global $wgUseSquid, $wgInternalServer, $wgDeferredUpdateList;
 541
 542                 $oldimage = $wgRequest->getText( 'oldimage' );
 543                 if ( strlen( $oldimage ) < 16 ) {
 544                         $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 545                         return;
 546                 }
 547                 if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
 548                         $wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
 549                         return;
 550                 }
 551
 552                 if ( wfReadOnly() ) {
 553                         $wgOut->readOnlyPage();
 554                         return;
 555                 }
 556                 if( $wgUser->isAnon() ) {
 557                         $wgOut->errorpage( 'uploadnologin', 'uploadnologintext' );
 558                         return;
 559                 }
 560                 if ( ! $this->mTitle->userCanEdit() ) {
 561                         $wgOut->sysopRequired();
 562                         return;
 563                 }
 564                 if ( $wgUser->isBlocked() ) {
 565                         return $this->blockedIPpage();
 566                 }
 567                 if( !$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
 568                         $wgOut->errorpage( 'internalerror', 'sessionfailure' );
 569                         return;
 570                 }
 571                 $name = substr( $oldimage, 15 );
 572
 573                 $dest = wfImageDir( $name );
 574                 $archive = wfImageArchiveDir( $name );
 575                 $curfile = "{$dest}/{$name}";
 576
 577                 if ( ! is_file( $curfile ) ) {
 578                         $wgOut->fileNotFoundError( htmlspecialchars( $curfile ) );
 579                         return;
 580                 }
 581                 $oldver = wfTimestampNow() . "!{$name}";
 582
 583                 $dbr =& wfGetDB( DB_SLAVE );
 584                 $size = $dbr->selectField( 'oldimage', 'oi_size', array( 'oi_archive_name' => $oldimage )  );
 585
 586                 if ( ! rename( $curfile, "${archive}/{$oldver}" ) ) {
 587                         $wgOut->fileRenameError( $curfile, "${archive}/{$oldver}" );
 588                         return;
 589                 }
 590                 if ( ! copy( "{$archive}/{$oldimage}", $curfile ) ) {
 591                         $wgOut->fileCopyError( "${archive}/{$oldimage}", $curfile );
 592                 }
 593
 594                 # Record upload and update metadata cache
 595                 $img = Image::newFromName( $name );
 596                 $img->recordUpload( $oldver, wfMsg( "reverted" ) );
 597
 598                 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
 599                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 600                 $wgOut->addHTML( wfMsg( 'imagereverted' ) );
 601
 602                 $descTitle = $img->getTitle();
 603                 $wgOut->returnToMain( false, $descTitle->getPrefixedText() );
 604         }
 605
 606         function blockedIPpage() {
 607                 require_once( 'EditPage.php' );
 608                 $edit = new EditPage( $this );
 609                 return $edit->blockedIPpage();
 610         }
 611
 612 }
 613
 614 /**
 615  * @todo document
 616  * @package MediaWiki
 617  */
 618 class ImageHistoryList {
 619         function ImageHistoryList( &$skin ) {
 620                 $this->skin =& $skin;
 621         }
 622
 623         function beginImageHistoryList() {
 624                 $s = "\n<h2 id=\"filehistory\">" . wfMsg( 'imghistory' ) . "</h2>\n" .
 625                   "<p>" . wfMsg( 'imghistlegend' ) . "</p>\n".'<ul class="special">';
 626                 return $s;
 627         }
 628
 629         function endImageHistoryList() {
 630                 $s = "</ul>\n";
 631                 return $s;
 632         }
 633
 634         function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description ) {
 635                 global $wgUser, $wgLang, $wgContLang, $wgTitle;
 636
 637                 $datetime = $wgLang->timeanddate( $timestamp, true );
 638                 $del = wfMsg( 'deleteimg' );
 639                 $delall = wfMsg( 'deleteimgcompletely' );
 640                 $cur = wfMsg( 'cur' );
 641
 642                 if ( $iscur ) {
 643                         $url = Image::imageUrl( $img );
 644                         $rlink = $cur;
 645                         if ( $wgUser->isAllowed('delete') ) {
 646                                 $link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
 647                                   '&action=delete' );
 648                                 $style = $this->skin->getInternalLinkAttributes( $link, $delall );
 649
 650                                 $dlink = '<a href="'.$link.'"'.$style.'>'.$delall.'</a>';
 651                         } else {
 652                                 $dlink = $del;
 653                         }
 654                 } else {
 655                         $url = htmlspecialchars( wfImageArchiveUrl( $img ) );
 656                         if( $wgUser->getID() != 0 && $wgTitle->userCanEdit() ) {
 657                                 $token = urlencode( $wgUser->editToken( $img ) );
 658                                 $rlink = $this->skin->makeKnownLinkObj( $wgTitle,
 659                                            wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
 660                                            urlencode( $img ) . "&wpEditToken=$token" );
 661                                 $dlink = $this->skin->makeKnownLinkObj( $wgTitle,
 662                                            $del, 'action=delete&oldimage=' . urlencode( $img ) .
 663                                            "&wpEditToken=$token" );
 664                         } else {
 665                                 # Having live active links for non-logged in users
 666                                 # means that bots and spiders crawling our site can
 667                                 # inadvertently change content. Baaaad idea.
 668                                 $rlink = wfMsg( 'revertimg' );
 669                                 $dlink = $del;
 670                         }
 671                 }
 672                 if ( 0 == $user ) {
 673                         $userlink = $usertext;
 674                 } else {
 675                         $userlink = $this->skin->makeLinkObj(
 676                                 Title::makeTitle( NS_USER, $usertext ),
 677                                 $usertext );
 678                 }
 679                 $nbytes = wfMsg( 'nbytes', $size );
 680                 $style = $this->skin->getInternalLinkAttributes( $url, $datetime );
 681
 682                 $s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a>"
 683                   . " . . {$userlink} ({$nbytes})";
 684
 685                 $s .= $this->skin->commentBlock( $description, $wgTitle );
 686                 $s .= "</li>\n";
 687                 return $s;
 688         }
 689
 690 }
 691
 692
 693 ?>