includes/specials/SpecialUpload.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup SpecialPage
   5  */
   6
   7
   8 /**
   9  * Entry point
  10  */
  11 function wfSpecialUpload() {
  12         global $wgRequest;
  13         $form = new UploadForm( $wgRequest );
  14         $form->execute();
  15 }
  16
  17 /**
  18  * implements Special:Upload
  19  * @ingroup SpecialPage
  20  */
  21 class UploadForm extends SpecialPage {
  22         /**#@+
  23          * @access private
  24          */
  25         var $mComment, $mLicense, $mIgnoreWarning;
  26         var $mCopyrightStatus, $mCopyrightSource, $mReUpload, $mAction, $mUploadClicked;
  27         var $mDestWarningAck;
  28         var $mLocalFile;
  29
  30         var $mUpload;   // Instance of UploadBase or derivative
  31
  32         # Placeholders for text injection by hooks (must be HTML)
  33         # extensions should take care to _append_ to the present value
  34         var $uploadFormTextTop;
  35         var $uploadFormTextAfterSummary;
  36     var $mTokenOk = false;
  37         /**#@-*/
  38
  39         /**
  40          * Constructor : initialise object
  41          * Get data POSTed through the form and assign them to the object
  42          * @param $request Data posted.
  43          */
  44         function __construct( &$request ) {
  45             global $wgUser;
  46                 // Guess the desired name from the filename if not provided
  47                 $this->mDesiredDestName   = $request->getText( 'wpDestFile' );
  48                 if( !$this->mDesiredDestName )
  49                         $this->mDesiredDestName = $request->getText( 'wpUploadFile' );
  50
  51                 $this->mIgnoreWarning     = $request->getCheck( 'wpIgnoreWarning' );
  52                 $this->mComment           = $request->getText( 'wpUploadDescription' );
  53
  54                 if( !$request->wasPosted() ) {
  55                         # GET requests just give the main form; no data except destination
  56                         # filename and description
  57                         return;
  58                 }
  59                 //if it was posted check for the token (no remote POST'ing with user credentials)
  60                 $token = $request->getVal( 'wpEditToken' );
  61                 $this->mTokenOk = $wgUser->matchEditToken( $token );
  62
  63                 # Placeholders for text injection by hooks (empty per default)
  64                 $this->uploadFormTextTop = "";
  65                 $this->uploadFormTextAfterSummary = "";
  66
  67                 $this->mUploadClicked     = $request->getCheck( 'wpUpload' );
  68
  69                 $this->mLicense           = $request->getText( 'wpLicense' );
  70                 $this->mCopyrightStatus   = $request->getText( 'wpUploadCopyStatus' );
  71                 $this->mCopyrightSource   = $request->getText( 'wpUploadSource' );
  72                 $this->mWatchthis         = $request->getBool( 'wpWatchthis' );
  73                 $this->mSourceType        = $request->getText( 'wpSourceType' );
  74                 $this->mDestWarningAck    = $request->getText( 'wpDestFileWarningAck' );
  75
  76                 $this->mForReUpload       = $request->getBool( 'wpForReUpload' );
  77                 $this->mReUpload          = $request->getCheck( 'wpReUpload' );
  78
  79                 $this->mAction            = $request->getVal( 'action' );
  80                 $this->mUpload                    = UploadBase::createFromRequest( $request );
  81         }
  82
  83
  84         /**
  85          * Start doing stuff
  86          * @access public
  87          */
  88         function execute() {
  89                 global $wgUser, $wgOut;
  90                 # Check uploading enabled
  91                 if( !UploadBase::isEnabled() ) {
  92                         $wgOut->showErrorPage( 'uploaddisabled', 'uploaddisabledtext' );
  93                         return;
  94                 }
  95                 # Check permissions
  96                 if( $this->mUpload ) {
  97                         $permission = $this->mUpload->isAllowed( $wgUser );
  98                 } else {
  99                         $permission = $wgUser->isAllowed( 'upload' ) ? true : 'upload';
 100                 }
 101                 if( $permission !== true ) {
 102                         if( !$wgUser->isLoggedIn() ) {
 103                                 $wgOut->showErrorPage( 'uploadnologin', 'uploadnologintext' );
 104                         } else {
 105                                 $wgOut->permissionRequired( $permission );
 106                         }
 107                         return;
 108                 }
 109
 110                 # Check blocks
 111                 if( $wgUser->isBlocked() ) {
 112                         $wgOut->blockedPage();
 113                         return;
 114                 }
 115
 116                 if( wfReadOnly() ) {
 117                         $wgOut->readOnlyPage();
 118                         return;
 119                 }
 120                 //check token if uploading or reUploading
 121                 if( !$this->mTokenOk && !$this->mReUpload && ($this->mUpload && (
 122                                                 'submit' == $this->mAction ||
 123                                                 $this->mUploadClicked
 124                                         )
 125                                 )
 126                 ){
 127                     $this->mainUploadForm ( wfMsg( 'session_fail_preview' ) );
 128                     return ;
 129                 }
 130
 131
 132                 if( $this->mReUpload ) {
 133                         // User choose to cancel upload
 134                         if( !$this->mUpload->unsaveUploadedFile() ) {
 135                                 return;
 136                         }
 137                         # Because it is probably checked and shouldn't be
 138                         $this->mIgnoreWarning = false;
 139                         $this->mainUploadForm();
 140                 } elseif( $this->mUpload && (
 141                                         'submit' == $this->mAction ||
 142                                         $this->mUploadClicked
 143                                 ) ) {
 144                         $this->processUpload();
 145                 } else {
 146                         $this->mainUploadForm();
 147                 }
 148
 149                 if( $this->mUpload )
 150                         $this->mUpload->cleanupTempFile();
 151         }
 152
 153         /**
 154          * Do the upload
 155          * Checks are made in SpecialUpload::execute()
 156          *
 157          * FIXME this should really use the standard Status class (instead of associative array)
 158          * FIXME would be nice if we refactored this into the upload api.
 159          *                      (the special upload page is not the only response point that needs clean localized error msgs)
 160          *
 161          * @access private
 162          */
 163         function processUpload(){
 164                 global $wgOut, $wgFileExtensions, $wgLang;
 165                 $details = $this->internalProcessUpload();
 166                 switch( $details['status'] ) {
 167                         case UploadBase::SUCCESS:
 168                                 $wgOut->redirect( $this->mLocalFile->getTitle()->getFullURL() );
 169                                 break;
 170
 171                         case UploadBase::BEFORE_PROCESSING:
 172                                 $this->uploadError( $details['error'] );
 173                                 break;
 174                         case UploadBase::LARGE_FILE_SERVER:
 175                                 $this->mainUploadForm( wfMsgHtml( 'largefileserver' ) );
 176                                 break;
 177
 178                         case UploadBase::EMPTY_FILE:
 179                                 $this->mainUploadForm( wfMsgHtml( 'emptyfile' ) );
 180                                 break;
 181
 182                         case UploadBase::MIN_LENGTH_PARTNAME:
 183                                 $this->mainUploadForm( wfMsgHtml( 'minlength1' ) );
 184                                 break;
 185
 186                         case UploadBase::ILLEGAL_FILENAME:
 187                                 $this->uploadError( wfMsgExt( 'illegalfilename',
 188                                         'parseinline', $details['filtered'] ) );
 189                                 break;
 190
 191                         case UploadBase::PROTECTED_PAGE:
 192                                 $wgOut->showPermissionsErrorPage( $details['permissionserrors'] );
 193                                 break;
 194
 195                         case UploadBase::OVERWRITE_EXISTING_FILE:
 196                                 $this->uploadError( wfMsgExt( $details['overwrite'],
 197                                         'parseinline' ) );
 198                                 break;
 199
 200                         case UploadBase::FILETYPE_MISSING:
 201                                 $this->uploadError( wfMsgExt( 'filetype-missing', array ( 'parseinline' ) ) );
 202                                 break;
 203
 204                         case UploadBase::FILETYPE_BADTYPE:
 205                                 $finalExt = $details['finalExt'];
 206                                 $this->uploadError(
 207                                         wfMsgExt( 'filetype-banned-type',
 208                                                 array( 'parseinline' ),
 209                                                 htmlspecialchars( $finalExt ),
 210                                                 implode(
 211                                                         wfMsgExt( 'comma-separator', array( 'escapenoentities' ) ),
 212                                                         $wgFileExtensions
 213                                                 ),
 214                                                 $wgLang->formatNum( count( $wgFileExtensions ) )
 215                                         )
 216                                 );
 217                                 break;
 218
 219                         case UploadBase::VERIFICATION_ERROR:
 220                                 unset( $details['status'] );
 221                                 $code = array_shift( $details );
 222                                 $this->uploadError( wfMsgExt( $code, 'parseinline', $details ) );
 223                                 break;
 224
 225                         case UploadBase::UPLOAD_VERIFICATION_ERROR:
 226                                 $error = $details['error'];
 227                                 $this->uploadError( wfMsgExt( $error, 'parseinline' ) );
 228                                 break;
 229
 230                         case UploadBase::UPLOAD_WARNING:
 231                                 unset( $details['status'] );
 232                                 $this->uploadWarning( $details );
 233                                 break;
 234
 235                         case UploadBase::INTERNAL_ERROR:
 236                                 $status = $details['internal'];
 237                                 $this->showError( $wgOut->parse( $status->getWikiText() ) );
 238                                 break;
 239
 240                         default:
 241                                 throw new MWException( __METHOD__ . ": Unknown value `{$details['status']}`" );
 242                 }
 243         }
 244
 245         /**
 246          * Really do the upload
 247          * Checks are made in SpecialUpload::execute()
 248          *
 249          * @param array $resultDetails contains result-specific dict of additional values
 250          *
 251          * @access private
 252          */
 253         function internalProcessUpload() {
 254                 global $wgUser;
 255
 256                 if( !wfRunHooks( 'UploadForm:BeforeProcessing', array( &$this ) ) )
 257                 {
 258                         wfDebug( "Hook 'UploadForm:BeforeProcessing' broke processing the file.\n" );
 259                         return array( 'status' => UploadBase::BEFORE_PROCESSING );
 260                 }
 261
 262                 /**
 263                  * If the image is protected, non-sysop users won't be able
 264                  * to modify it by uploading a new revision.
 265                  */
 266                 $permErrors = $this->mUpload->verifyPermissions( $wgUser );
 267                 if( $permErrors !== true ) {
 268                         return array( 'status' => UploadBase::PROTECTED_PAGE, 'permissionserrors' => $permErrors );
 269                 }
 270
 271                 // Fetch the file if required
 272                 $status = $this->mUpload->fetchFile();
 273                 if( !$status->isOK() ){
 274                         return array( 'status' =>UploadBase::BEFORE_PROCESSING, 'error'=>$status->getWikiText() );
 275                 }
 276
 277                 // Check whether this is a sane upload
 278                 $result = $this->mUpload->verifyUpload();
 279                 if( $result != UploadBase::OK )
 280                         return $result;
 281
 282                 $this->mLocalFile = $this->mUpload->getLocalFile();
 283
 284                 if( !$this->mIgnoreWarning ) {
 285                         $warnings = $this->mUpload->checkWarnings();
 286
 287                         if( count( $warnings ) ) {
 288                                 $warnings['status'] = UploadBase::UPLOAD_WARNING;
 289                                 return $warnings;
 290                         }
 291                 }
 292
 293
 294                 /**
 295                  * Try actually saving the thing...
 296                  * It will show an error form on failure. No it will not.
 297                  */
 298                 if( !$this->mForReUpload ) {
 299                         $pageText = self::getInitialPageText( $this->mComment, $this->mLicense,
 300                                 $this->mCopyrightStatus, $this->mCopyrightSource );
 301                 }
 302                 $status = $this->mUpload->performUpload( $this->mComment, $pageText, $this->mWatchthis, $wgUser );
 303
 304                 if ( !$status->isGood() ) {
 305                         return array( 'status' => UploadBase::INTERNAL_ERROR, 'internal' => $status );
 306                 } else {
 307                         // Success, redirect to description page
 308                         wfRunHooks( 'SpecialUploadComplete', array( &$this ) );
 309                         return UploadBase::SUCCESS;
 310                 }
 311         }
 312
 313         /**
 314          * Do existence checks on a file and produce a warning
 315          * This check is static and can be done pre-upload via AJAX
 316          * Returns an HTML fragment consisting of one or more LI elements if there is a warning
 317          * Returns an empty string if there is no warning
 318          */
 319         static function getExistsWarning( $exists ) {
 320                 global $wgUser, $wgContLang;
 321
 322                 if( $exists === false )
 323                         return '';
 324
 325                 $warning = '';
 326                 $align = $wgContLang->isRtl() ? 'left' : 'right';
 327
 328                 list( $existsType, $file ) = $exists;
 329
 330                 $sk = $wgUser->getSkin();
 331
 332                 if( $existsType == 'exists' ) {
 333                         // Exact match
 334                         $dlink = $sk->makeKnownLinkObj( $file->getTitle() );
 335                         if ( $file->allowInlineDisplay() ) {
 336                                 $dlink2 = $sk->makeImageLinkObj( $file->getTitle(), wfMsgExt( 'fileexists-thumb', 'parseinline' ),
 337                                         $file->getName(), $align, array(), false, true );
 338                         } elseif ( !$file->allowInlineDisplay() && $file->isSafeFile() ) {
 339                                 $icon = $file->iconThumb();
 340                                 $dlink2 = '<div style="float:' . $align . '" id="mw-media-icon">' .
 341                                         $icon->toHtml( array( 'desc-link' => true ) ) . '<br />' . $dlink . '</div>';
 342                         } else {
 343                                 $dlink2 = '';
 344                         }
 345
 346                         $warning .= '<li>' . wfMsgExt( 'fileexists', array('parseinline','replaceafter'), $dlink ) . '</li>' . $dlink2;
 347
 348                 } elseif( $existsType == 'page-exists' ) {
 349                         $lnk = $sk->makeKnownLinkObj( $file->getTitle(), '', 'redirect=no' );
 350                         $warning .= '<li>' . wfMsgExt( 'filepageexists', array( 'parseinline', 'replaceafter' ), $lnk ) . '</li>';
 351                 } elseif ( $existsType == 'exists-normalized' ) {
 352                         # Check if image with lowercase extension exists.
 353                         # It's not forbidden but in 99% it makes no sense to upload the same filename with uppercase extension
 354                         $dlink = $sk->linkKnown( $nt_lc );
 355                         if ( $file_lc->allowInlineDisplay() ) {
 356                                 // FIXME: replace deprecated makeImageLinkObj by link()
 357                                 $dlink2 = $sk->makeImageLinkObj( $nt_lc, wfMsgExt( 'fileexists-thumb', 'parseinline' ),
 358                                         $nt_lc->getText(), $align, array(), false, true );
 359                         } elseif ( !$file_lc->allowInlineDisplay() && $file_lc->isSafeFile() ) {
 360                                 $icon = $file_lc->iconThumb();
 361                                 $dlink2 = '<div style="float:' . $align . '" id="mw-media-icon">' .
 362                                         $icon->toHtml( array( 'desc-link' => true ) ) . '<br />' . $dlink . '</div>';
 363                         } else {
 364                                 $dlink2 = '';
 365                         }
 366
 367                         $warning .= '<li>' .
 368                                 wfMsgExt( 'fileexists-extension', 'parsemag',
 369                                         $file->getTitle()->getPrefixedText(), $dlink ) .
 370                                 '</li>' . $dlink2;
 371
 372                 } elseif ( ( substr( $partname , 3, 3 ) == 'px-' || substr( $partname , 2, 3 ) == 'px-' )
 373                         && preg_match( "/[0-9]{2}/" , substr( $partname , 0, 2 ) ) )
 374                 {
 375                         # Check for filenames like 50px- or 180px-, these are mostly thumbnails
 376                         $nt_thb = Title::newFromText( substr( $partname , strpos( $partname , '-' ) +1 ) . '.' . $rawExtension );
 377                         $file_thb = wfLocalFile( $nt_thb );
 378                         if ($file_thb->exists() ) {
 379                                 # Check if an image without leading '180px-' (or similiar) exists
 380                                 $dlink = $sk->linkKnown( $nt_thb );
 381                                 if ( $file_thb->allowInlineDisplay() ) {
 382                                         // FIXME: replace deprecated makeImageLinkObj by link()
 383                                         $dlink2 = $sk->makeImageLinkObj( $nt_thb,
 384                                                 wfMsgExt( 'fileexists-thumb', 'parseinline' ),
 385                                                 $nt_thb->getText(), $align, array(), false, true );
 386                                 } elseif ( !$file_thb->allowInlineDisplay() && $file_thb->isSafeFile() ) {
 387                                         $icon = $file_thb->iconThumb();
 388                                         $dlink2 = '<div style="float:' . $align . '" id="mw-media-icon">' .
 389                                                 $icon->toHtml( array( 'desc-link' => true ) ) . '<br />' .
 390                                                 $dlink . '</div>';
 391                                 } else {
 392                                         $dlink2 = '';
 393                                 }
 394
 395                                 $warning .= '<li>' . wfMsgExt( 'fileexists-thumbnail-yes', 'parsemag', $dlink ) .
 396                                         '</li>' . $dlink2;
 397                         } else {
 398                                 # Image w/o '180px-' does not exists, but we do not like these filenames
 399                                 $warning .= '<li>' . wfMsgExt( 'file-thumbnail-no', 'parseinline' ,
 400                                         substr( $partname , 0, strpos( $partname , '-' ) +1 ) ) . '</li>';
 401                         }
 402                 }
 403
 404                 $filenamePrefixBlacklist = UploadBase::getFilenamePrefixBlacklist();
 405                 # Do the match
 406                 foreach( $filenamePrefixBlacklist as $prefix ) {
 407                         if ( substr( $partname, 0, strlen( $prefix ) ) == $prefix ) {
 408                                 $warning .= '<li>' . wfMsgExt( 'filename-bad-prefix', 'parseinline', $prefix ) . '</li>';
 409                                 break;
 410                         }
 411                 }
 412
 413                 if ( $file->wasDeleted() && !$file->exists() ) {
 414                         # If the file existed before and was deleted, warn the user of this
 415                         # Don't bother doing so if the file exists now, however
 416                         $ltitle = SpecialPage::getTitleFor( 'Log' );
 417                         $llink = $sk->linkKnown(
 418                                 $ltitle,
 419                                 wfMsgHtml( 'deletionlog' ),
 420                                 array(),
 421                                 array(
 422                                         'type' => 'delete',
 423                                         'page' => $file->getTitle()->getPrefixedText()
 424                                 )
 425                         );
 426                         $warning .= '<li>' . wfMsgWikiHtml( 'filewasdeleted', $llink ) . '</li>';
 427                 }
 428                 return $warning;
 429         }
 430
 431         /**
 432          * Get a list of warnings
 433          *
 434          * @param string local filename, e.g. 'file exists', 'non-descriptive filename'
 435          * @return array list of warning messages
 436          */
 437         static function ajaxGetExistsWarning( $filename ) {
 438                 $file = wfFindFile( $filename );
 439                 if( !$file ) {
 440                         // Force local file so we have an object to do further checks against
 441                         // if there isn't an exact match...
 442                         $file = wfLocalFile( $filename );
 443                 }
 444                 $s = '&nbsp;';
 445                 if ( $file ) {
 446                         $exists = UploadBase::getExistsWarning( $file );
 447                         $warning = self::getExistsWarning( $exists );
 448                         // FIXME: We probably also want the prefix blacklist and the wasdeleted check here
 449                         if ( $warning !== '' ) {
 450                                 $s = "<ul>$warning</ul>";
 451                         }
 452                 }
 453                 return $s;
 454         }
 455
 456         /**
 457          * Render a preview of a given license for the AJAX preview on upload
 458          *
 459          * @param string $license
 460          * @return string
 461          */
 462         public static function ajaxGetLicensePreview( $license ) {
 463                 global $wgParser, $wgUser;
 464                 $text = '{{' . $license . '}}';
 465                 $title = Title::makeTitle( NS_FILE, 'Sample.jpg' );
 466                 $options = ParserOptions::newFromUser( $wgUser );
 467
 468                 // Expand subst: first, then live templates...
 469                 $text = $wgParser->preSaveTransform( $text, $title, $wgUser, $options );
 470                 $output = $wgParser->parse( $text, $title, $options );
 471
 472                 return $output->getText();
 473         }
 474
 475         /**
 476          * Construct the human readable warning message from an array of duplicate files
 477          */
 478         public static function getDupeWarning( $dupes ) {
 479                 if( $dupes ) {
 480                         global $wgOut;
 481                         $msg = "<gallery>";
 482                         foreach( $dupes as $file ) {
 483                                 $title = $file->getTitle();
 484                                 $msg .= $title->getPrefixedText() .
 485                                         "|" . $title->getText() . "\n";
 486                         }
 487                         $msg .= "</gallery>";
 488                         return "<li>" .
 489                                 wfMsgExt( "file-exists-duplicate", array( "parse" ), count( $dupes ) ) .
 490                                 $wgOut->parse( $msg ) .
 491                                 "</li>\n";
 492                 } else {
 493                         return '';
 494                 }
 495         }
 496
 497
 498         /**
 499          * Remove a temporarily kept file stashed by saveTempUploadedFile().
 500          * @access private
 501          * @return success
 502          */
 503         function unsaveUploadedFile() {
 504                 global $wgOut;
 505                 $success = $this->mUpload->unsaveUploadedFile();
 506                 if ( ! $success ) {
 507                         $wgOut->showFileDeleteError( $this->mUpload->getTempPath() );
 508                         return false;
 509                 } else {
 510                         return true;
 511                 }
 512         }
 513
 514         /*              Interface code starts below this line             *
 515          * -------------------------------------------------------------- */
 516
 517
 518         /**
 519          * @param string $error as HTML
 520          * @access private
 521          */
 522         function uploadError( $error ) {
 523                 global $wgOut;
 524                 $wgOut->addHTML( '<h2>' . wfMsgHtml( 'uploadwarning' ) . "</h2>\n" );
 525                 $wgOut->addHTML( '<span class="error">' . $error . '</span>' );
 526         }
 527
 528         /**
 529          * There's something wrong with this file, not enough to reject it
 530          * totally but we require manual intervention to save it for real.
 531          * Stash it away, then present a form asking to confirm or cancel.
 532          *
 533          * @param string $warning as HTML
 534          * @access private
 535          */
 536         function uploadWarning( $warnings ) {
 537                 global $wgOut, $wgUser;
 538                 global $wgUseCopyrightUpload;
 539
 540                 $this->mSessionKey = $this->mUpload->stashSession();
 541
 542                 if( $sessionData === false ) {
 543                         # Couldn't save file; an error has been displayed so let's go.
 544                         return;
 545                 }
 546
 547                 $sk = $wgUser->getSkin();
 548
 549                 $wgOut->addHTML( '<h2>' . wfMsgHtml( 'uploadwarning' ) . "</h2>\n" );
 550                 $wgOut->addHTML( '<ul class="warning">' );
 551                 foreach( $warnings as $warning => $args ) {
 552                                 $msg = null;
 553                                 if( $warning == 'exists' ) {
 554
 555                                         //we should not have produced this warning if the user already acknowledged the destination warning
 556                                         //at any rate I don't see why we should hid this warning if mDestWarningAck has been checked
 557                                         //(it produces an empty warning page when no other warnings are fired)
 558                                         //if ( !$this->mDestWarningAck )
 559                                                 $msg = self::getExistsWarning( $args );
 560
 561                                 } elseif( $warning == 'duplicate' ) {
 562                                         $msg = $this->getDupeWarning( $args );
 563                                 } elseif( $warning == 'duplicate-archive' ) {
 564                                         $titleText = Title::makeTitle( NS_FILE, $args )->getPrefixedText();
 565                                         $msg = Xml::tags( 'li', null, wfMsgExt( 'file-deleted-duplicate', array( 'parseinline' ), array( $titleText ) ) );
 566                                 } elseif( $warning == 'filewasdeleted' ) {
 567                                         $ltitle = SpecialPage::getTitleFor( 'Log' );
 568                                         $llink = $sk->makeKnownLinkObj( $ltitle, wfMsgHtml( 'deletionlog' ),
 569                                                 'type=delete&page=' . $args->getPrefixedUrl() );
 570                                         $msg = "\t<li>" . wfMsgWikiHtml( 'filewasdeleted', $llink ) . "</li>\n";
 571                                 } else {
 572                                         if( is_bool( $args ) )
 573                                                 $args = array();
 574                                         elseif( !is_array( $args ) )
 575                                                 $args = array( $args );
 576                                         $msg = "\t<li>" . wfMsgExt( $warning, 'parseinline', $args ) . "</li>\n";
 577                                 }
 578                                 if( $msg )
 579                                         $wgOut->addHTML( $msg );
 580                 }
 581
 582                 $titleObj = SpecialPage::getTitleFor( 'Upload' );
 583
 584                 if ( $wgUseCopyrightUpload ) {
 585                         $copyright = Xml::hidden( 'wpUploadCopyStatus', $this->mCopyrightStatus ) . "\n" .
 586                                         Xml::hidden( 'wpUploadSource', $this->mCopyrightSource ) . "\n";
 587                 } else {
 588                         $copyright = '';
 589                 }
 590         //add the wpEditToken
 591                 $token = htmlspecialchars( $wgUser->editToken() );
 592                 $tokenInput = "\n<input type='hidden' value=\"$token\" name=\"wpEditToken\" />\n";
 593
 594                 $wgOut->addHTML(
 595                         Xml::openElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalURL( 'action=submit' ),
 596                                  'enctype' => 'multipart/form-data', 'id' => 'uploadwarning' ) ) . "\n" .
 597                         $tokenInput .
 598                         Xml::hidden( 'wpIgnoreWarning', '1' ) . "\n" .
 599                         Xml::hidden( 'wpSourceType', 'stash' ) . "\n" .
 600                         Xml::hidden( 'wpSessionKey', $this->mSessionKey ) . "\n" .
 601                         Xml::hidden( 'wpUploadDescription', $this->mComment ) . "\n" .
 602                         Xml::hidden( 'wpLicense', $this->mLicense ) . "\n" .
 603                         Xml::hidden( 'wpDestFile', $this->mDesiredDestName ) . "\n" .
 604                         Xml::hidden( 'wpWatchthis', $this->mWatchthis ) . "\n" .
 605                         "{$copyright}<br />" .
 606                         Xml::submitButton( wfMsg( 'ignorewarning' ), array ( 'name' => 'wpUpload', 'id' => 'wpUpload', 'checked' => 'checked' ) ) . ' ' .
 607                         Xml::submitButton( wfMsg( 'reuploaddesc' ), array ( 'name' => 'wpReUpload', 'id' => 'wpReUpload' ) ) .
 608                         Xml::closeElement( 'form' ) . "\n"
 609                 );
 610         }
 611
 612         /**
 613          * Displays the main upload form, optionally with a highlighted
 614          * error message up at the top.
 615          *
 616          * @param string $msg as HTML
 617          * @access private
 618          */
 619         function mainUploadForm( $msg='' ) {
 620                 global $wgOut, $wgUser, $wgLang, $wgMaxUploadSize, $wgEnableFirefogg;
 621                 global $wgUseCopyrightUpload, $wgUseAjax, $wgAjaxUploadDestCheck, $wgAjaxLicensePreview;
 622                 global $wgRequest;
 623                 global $wgStylePath, $wgStyleVersion;
 624                 global $wgEnableJS2system;
 625
 626                 $useAjaxDestCheck = $wgUseAjax && $wgAjaxUploadDestCheck;
 627                 $useAjaxLicensePreview = $wgUseAjax && $wgAjaxLicensePreview;
 628
 629                 $adc = wfBoolToStr( $useAjaxDestCheck );
 630                 $alp = wfBoolToStr( $useAjaxLicensePreview );
 631                 $uef = wfBoolToStr( $wgEnableFirefogg );
 632                 $autofill = wfBoolToStr( $this->mDesiredDestName == '' );
 633
 634
 635                 $wgOut->addScript( "<script type=\"text/javascript\">
 636 wgAjaxUploadDestCheck = {$adc};
 637 wgAjaxLicensePreview = {$alp};
 638 wgEnableFirefogg = {$uef};
 639 wgUploadAutoFill = {$autofill};
 640 </script>" );
 641
 642                 if( $wgEnableJS2system ){
 643                         //js2version of upload page:
 644                     $wgOut->addScriptClass( 'uploadPage' );
 645                 }else{
 646                         //legacy upload code:
 647                         $wgOut->addScriptFile( 'upload.js' );
 648                         $wgOut->addScriptFile( 'edit.js' ); // For <charinsert> support
 649                 }
 650
 651                 if( !wfRunHooks( 'UploadForm:initial', array( &$this ) ) )
 652                 {
 653                         wfDebug( "Hook 'UploadForm:initial' broke output of the upload form" );
 654                         return false;
 655                 }
 656
 657                 if( $this->mDesiredDestName ) {
 658                         $title = Title::makeTitleSafe( NS_FILE, $this->mDesiredDestName );
 659                         // Show a subtitle link to deleted revisions (to sysops et al only)
 660                         if( $title instanceof Title && ( $count = $title->isDeleted() ) > 0 && $wgUser->isAllowed( 'deletedhistory' ) ) {
 661                                 $link = wfMsgExt(
 662                                         $wgUser->isAllowed( 'delete' ) ? 'thisisdeleted' : 'viewdeleted',
 663                                         array( 'parse', 'replaceafter' ),
 664                                         $wgUser->getSkin()->makeKnownLinkObj(
 665                                                 SpecialPage::getTitleFor( 'Undelete', $title->getPrefixedText() ),
 666                                                 wfMsgExt( 'restorelink', array( 'parsemag', 'escape' ), $count )
 667                                         )
 668                                 );
 669                                 $wgOut->addHTML( "<div id=\"contentSub2\">{$link}</div>" );
 670                         }
 671
 672                         // Show the relevant lines from deletion log (for still deleted files only)
 673                         if( $title instanceof Title && $title->isDeletedQuick() && !$title->exists() ) {
 674                                 $this->showDeletionLog( $wgOut, $title->getPrefixedText() );
 675                         }
 676                 }
 677
 678                 $cols = intval($wgUser->getOption( 'cols' ));
 679
 680                 if( $wgUser->getOption( 'editwidth' ) ) {
 681                         $width = " style=\"width:100%\"";
 682                 } else {
 683                         $width = '';
 684                 }
 685
 686                 if ( '' != $msg ) {
 687                         $sub = wfMsgHtml( 'uploaderror' );
 688                         $wgOut->addHTML( "<h2>{$sub}</h2>\n" .
 689                           "<span class='error'>{$msg}</span>\n" );
 690                 }
 691
 692                 $wgOut->addHTML( '<div id="uploadtext">' );
 693                 $wgOut->addWikiMsg( 'uploadtext', $this->mDesiredDestName );
 694                 $wgOut->addHTML( "</div>\n" );
 695
 696                 # Print a list of allowed file extensions, if so configured.  We ignore
 697                 # MIME type here, it's incomprehensible to most people and too long.
 698                 global $wgCheckFileExtensions, $wgStrictFileExtensions,
 699                 $wgFileExtensions, $wgFileBlacklist;
 700
 701                 $allowedExtensions = '';
 702                 if( $wgCheckFileExtensions ) {
 703                         $delim = wfMsgExt( 'comma-separator', array( 'escapenoentities' ) );
 704                         if( $wgStrictFileExtensions ) {
 705                                 # Everything not permitted is banned
 706                                 $extensionsList =
 707                                         '<div id="mw-upload-permitted">' .
 708                                         wfMsgWikiHtml( 'upload-permitted', implode( $wgFileExtensions, $delim ) ) .
 709                                         "</div>\n";
 710                         } else {
 711                                 # We have to list both preferred and prohibited
 712                                 $extensionsList =
 713                                         '<div id="mw-upload-preferred">' .
 714                                         wfMsgWikiHtml( 'upload-preferred', implode( $wgFileExtensions, $delim ) ) .
 715                                         "</div>\n" .
 716                                         '<div id="mw-upload-prohibited">' .
 717                                         wfMsgWikiHtml( 'upload-prohibited', implode( $wgFileBlacklist, $delim ) ) .
 718                                         "</div>\n";
 719                         }
 720                 } else {
 721                         # Everything is permitted.
 722                         $extensionsList = '';
 723                 }
 724
 725                 # Get the maximum file size from php.ini as $wgMaxUploadSize works for uploads from URL via CURL only
 726                 # See http://www.php.net/manual/en/ini.core.php#ini.upload-max-filesize for possible values of upload_max_filesize
 727                 $val = trim( ini_get( 'upload_max_filesize' ) );
 728                 $last = strtoupper( ( substr( $val, -1 ) ) );
 729                 switch( $last ) {
 730                         case 'G':
 731                                 $val2 = substr( $val, 0, -1 ) * 1024 * 1024 * 1024;
 732                                 break;
 733                         case 'M':
 734                                 $val2 = substr( $val, 0, -1 ) * 1024 * 1024;
 735                                 break;
 736                         case 'K':
 737                                 $val2 = substr( $val, 0, -1 ) * 1024;
 738                                 break;
 739                         default:
 740                                 $val2 = $val;
 741                 }
 742                 $maxUploadSize = '<div id="mw-upload-maxfilesize">' .
 743                         wfMsgExt( 'upload-maxfilesize', array( 'parseinline', 'escapenoentities' ),
 744                                 $wgLang->formatSize( $val2 ) ) .
 745                                 "</div>\n";
 746                 //add a hidden filed for upload by url (uses the $wgMaxUploadSize var)
 747                 if( UploadFromUrl::isEnabled() ){
 748                         $maxUploadSize.='<div id="mw-upload-maxfilesize-url" style="display:none">' .
 749                         wfMsgExt( 'upload-maxfilesize', array( 'parseinline', 'escapenoentities' ),
 750                                 $wgLang->formatSize( $wgMaxUploadSize ) ) .
 751                                 "</div>\n";
 752                 }
 753
 754                 $sourcefilename = wfMsgExt( 'sourcefilename', array( 'parseinline', 'escapenoentities' ) );
 755         $destfilename = wfMsgExt( 'destfilename', array( 'parseinline', 'escapenoentities' ) );
 756
 757                 $msg = $this->mForReUpload ? 'filereuploadsummary' : 'fileuploadsummary';
 758                 $summary = wfMsgExt( $msg, 'parseinline' );
 759
 760                 $licenses = new Licenses();
 761                 $license = wfMsgExt( 'license', array( 'parseinline' ) );
 762                 $nolicense = wfMsgHtml( 'nolicense' );
 763                 $licenseshtml = $licenses->getHtml();
 764
 765                 $ulb = wfMsgHtml( 'uploadbtn' );
 766
 767
 768                 $titleObj = SpecialPage::getTitleFor( 'Upload' );
 769
 770                 $encDestName = htmlspecialchars( $this->mDesiredDestName );
 771
 772                 $watchChecked = $this->watchCheck() ? 'checked="checked"' : '';
 773                 # Re-uploads should not need "file exist already" warnings
 774                 $warningChecked = ($this->mIgnoreWarning || $this->mForReUpload) ? 'checked="checked"' : '';
 775
 776                 // Prepare form for upload or upload/copy
 777                 //javascript moved from inline calls to setup:
 778                 if( UploadFromUrl::isEnabled() && $wgUser->isAllowed( 'upload_by_url' ) ) {
 779                     if($wgEnableJS2system){
 780                         $filename_form =
 781                                 "<input type='radio' id=\"wpSourceTypeFile\" name='wpSourceType' value='file' checked='checked' />" .
 782                                  "<input tabindex='1' type='file' name='wpUploadFile' id='wpUploadFile' size='60' />" .
 783                                 wfMsgHTML( 'upload_source_file' ) . "<br/>" .
 784                                 "<input type='radio' id='wpSourceTypeURL' name='wpSourceType' value='url' />" .
 785                                 "<input tabindex='1' type='text' name='wpUploadFileURL' id='wpUploadFileURL' size='60' />" .
 786                                 wfMsgHtml( 'upload_source_url' ) ;
 787                     }else{
 788                          //@@todo depreciate (only support  JS2system)
 789                 $filename_form =
 790                                 "<input type='radio' id='wpSourceTypeFile' name='wpSourceType' value='file' " .
 791                                    "onchange='toggle_element_activation(\"wpUploadFileURL\",\"wpUploadFile\")' checked='checked' />" .
 792                                  "<input tabindex='1' type='file' name='wpUploadFile' id='wpUploadFile' " .
 793                                    "onfocus='" .
 794                                      "toggle_element_activation(\"wpUploadFileURL\",\"wpUploadFile\");" .
 795                                      "toggle_element_check(\"wpSourceTypeFile\",\"wpSourceTypeURL\")' " .
 796                                      "onchange='fillDestFilename(\"wpUploadFile\")' size='60' />" .
 797                                 wfMsgHTML( 'upload_source_file' ) . "<br/>" .
 798                                 "<input type='radio' id='wpSourceTypeURL' name='wpSourceType' value='Url' " .
 799                                   "onchange='toggle_element_activation(\"wpUploadFile\",\"wpUploadFileURL\")' />" .
 800                                 "<input tabindex='1' type='text' name='wpUploadFileURL' id='wpUploadFileURL' " .
 801                                   "onfocus='" .
 802                                     "toggle_element_activation(\"wpUploadFile\",\"wpUploadFileURL\");" .
 803                                     "toggle_element_check(\"wpSourceTypeURL\",\"wpSourceTypeFile\")' " .
 804                                     "onchange='fillDestFilename(\"wpUploadFileURL\")' size='60' disabled='disabled' />" .
 805                                 wfMsgHtml( 'upload_source_url' ) ;
 806
 807                     }
 808                 } else {
 809                         $filename_form =
 810                                 "<input tabindex='1' type='file' name='wpUploadFile' id='wpUploadFile' size='60' />" .
 811                                 "<input type='hidden' name='wpSourceType' value='upload' />" ;
 812                 }
 813
 814                 if ( $useAjaxDestCheck ) {
 815                         $warningRow = "<tr><td colspan='2' id='wpDestFile-warning'>&nbsp;</td></tr>";
 816                         $destOnkeyup = '';
 817                 } else {
 818                         $warningRow = '';
 819                         $destOnkeyup = '';
 820                 }
 821                 # Uploading a new version? If so, the name is fixed.
 822                 $on = $this->mForReUpload ? "readonly='readonly'" : "";
 823
 824                 $encComment = htmlspecialchars( $this->mComment );
 825
 826             //add the wpEditToken
 827                 $token = htmlspecialchars( $wgUser->editToken() );
 828                 $tokenInput = "\n<input type='hidden' value=\"$token\" name=\"wpEditToken\" />\n";
 829
 830                 $wgOut->addHTML(
 831                          Xml::openElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalURL( 'action=submit' ),
 832                                  'enctype' => 'multipart/form-data', 'id' => 'mw-upload-form' ) ) .
 833                          $tokenInput .
 834                          Xml::openElement( 'fieldset' ) .
 835                          Xml::element( 'legend', null, wfMsg( 'upload' ) ) .
 836                          Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-upload-table' ) ) .
 837                          "<tr>
 838                                 {$this->uploadFormTextTop}
 839                                 <td class='mw-label'>
 840                                         <label for='wpUploadFile'>{$sourcefilename}</label>
 841                                 </td>
 842                                 <td class='mw-input'>
 843                                         {$filename_form}
 844                                 </td>
 845                         </tr>
 846                         <tr>
 847                                 <td></td>
 848                                 <td>
 849                                         {$maxUploadSize}
 850                                         {$extensionsList}
 851                                 </td>
 852                         </tr>
 853                         <tr>
 854                                 <td class='mw-label'>
 855                                         <label for='wpDestFile'>{$destfilename}</label>
 856                                 </td>
 857                                 <td class='mw-input'>"
 858                 );
 859                 if( $this->mForReUpload ) {
 860                         $wgOut->addHTML(
 861                                 Xml::hidden( 'wpDestFile', $this->mDesiredDestName, array('id'=>'wpDestFile','tabindex'=>2) ) .
 862                                 "<tt>" .
 863                                 $encDestName .
 864                                 "</tt>"
 865                         );
 866                 }
 867                 else {
 868                         $wgOut->addHTML(
 869                                 "<input tabindex='2' type='text' name='wpDestFile' id='wpDestFile' size='60'
 870                                                 value=\"{$encDestName}\" $destOnkeyup />"
 871                         );
 872                 }
 873
 874
 875                 $wgOut->addHTML(
 876                                 "</td>
 877                         </tr>
 878                         <tr>
 879                                 <td class='mw-label'>
 880                                         <label for='wpUploadDescription'>{$summary}</label>
 881                                 </td>
 882                                 <td class='mw-input'>
 883                                         <textarea tabindex='3' name='wpUploadDescription' id='wpUploadDescription' rows='6'
 884                                                 cols='{$cols}'{$width}>$encComment</textarea>
 885                                         {$this->uploadFormTextAfterSummary}
 886                                 </td>
 887                         </tr>
 888                         <tr>"
 889                 );
 890
 891                 # Re-uploads should not need license info
 892                 if ( !$this->mForReUpload && $licenseshtml != '' ) {
 893                         global $wgStylePath;
 894                         $wgOut->addHTML( "
 895                                         <td class='mw-label'>
 896                                                 <label for='wpLicense'>$license</label>
 897                                         </td>
 898                                         <td class='mw-input'>
 899                                                 <select name='wpLicense' id='wpLicense' tabindex='4'
 900                                                         onchange='licenseSelectorCheck()'>
 901                                                         <option value=''>$nolicense</option>
 902                                                         $licenseshtml
 903                                                 </select>
 904                                         </td>
 905                                 </tr>
 906                                 <tr>"
 907                         );
 908                         if( $useAjaxLicensePreview ) {
 909                                 $wgOut->addHTML( "
 910                                                 <td></td>
 911                                                 <td id=\"mw-license-preview\"></td>
 912                                         </tr>
 913                                         <tr>"
 914                                 );
 915                         }
 916                 }
 917
 918                 if ( !$this->mForReUpload && $wgUseCopyrightUpload ) {
 919                         $filestatus = wfMsgExt( 'filestatus', 'escapenoentities' );
 920                         $copystatus =  htmlspecialchars( $this->mCopyrightStatus );
 921                         $filesource = wfMsgExt( 'filesource', 'escapenoentities' );
 922                         $uploadsource = htmlspecialchars( $this->mCopyrightSource );
 923
 924                         $wgOut->addHTML( "
 925                                         <td class='mw-label' style='white-space: nowrap;'>
 926                                                 <label for='wpUploadCopyStatus'>$filestatus</label></td>
 927                                         <td class='mw-input'>
 928                                                 <input tabindex='5' type='text' name='wpUploadCopyStatus' id='wpUploadCopyStatus'
 929                                                         value=\"$copystatus\" size='60' />
 930                                         </td>
 931                                 </tr>
 932                                 <tr>
 933                                         <td class='mw-label'>
 934                                                 <label for='wpUploadCopyStatus'>$filesource</label>
 935                                         </td>
 936                                         <td class='mw-input'>
 937                                                 <input tabindex='6' type='text' name='wpUploadSource' id='wpUploadCopyStatus'
 938                                                         value=\"$uploadsource\" size='60' />
 939                                         </td>
 940                                 </tr>
 941                                 <tr>"
 942                         );
 943                 }
 944
 945                 $wgOut->addHTML( "
 946                                 <td></td>
 947                                 <td>
 948                                         <input tabindex='7' type='checkbox' name='wpWatchthis' id='wpWatchthis' $watchChecked value='true' />
 949                                         <label for='wpWatchthis'>" . wfMsgHtml( 'watchthisupload' ) . "</label>
 950                                         <input tabindex='8' type='checkbox' name='wpIgnoreWarning' id='wpIgnoreWarning' value='true' $warningChecked />
 951                                         <label for='wpIgnoreWarning'>" . wfMsgHtml( 'ignorewarnings' ) . "</label>
 952                                 </td>
 953                         </tr>
 954                         $warningRow
 955                         <tr>
 956                                 <td></td>
 957                                         <td class='mw-input'>
 958                                                 <input tabindex='9' type='submit' name='wpUpload' value=\"{$ulb}\"" .
 959                                                         $wgUser->getSkin()->tooltipAndAccesskey( 'upload' ) . " />
 960                                         </td>
 961                         </tr>
 962                         <tr>
 963                                 <td></td>
 964                                 <td class='mw-input'>"
 965                 );
 966                 $wgOut->addHTML( '<div class="mw-editTools">' );
 967                 $wgOut->addWikiMsgArray( 'edittools', array(), array( 'content' ) );
 968                 $wgOut->addHTML( '</div>' );
 969                 $wgOut->addHTML( "
 970                                 </td>
 971                         </tr>" .
 972                         Xml::closeElement( 'table' ) .
 973                         Xml::hidden( 'wpDestFileWarningAck', '', array( 'id' => 'wpDestFileWarningAck' ) ) .
 974                         Xml::hidden( 'wpForReUpload', $this->mForReUpload, array( 'id' => 'wpForReUpload' ) ) .
 975                         Xml::closeElement( 'fieldset' ) .
 976                         Xml::closeElement( 'form' )
 977                 );
 978                 $uploadfooter = wfMsgNoTrans( 'uploadfooter' );
 979                 if( $uploadfooter != '-' && !wfEmptyMsg( 'uploadfooter', $uploadfooter ) ){
 980                         $wgOut->addWikiText( '<div id="mw-upload-footer-message">' . $uploadfooter . '</div>' );
 981                 }
 982         }
 983
 984         /* -------------------------------------------------------------- */
 985
 986         /**
 987          * See if we should check the 'watch this page' checkbox on the form
 988          * based on the user's preferences and whether we're being asked
 989          * to create a new file or update an existing one.
 990          *
 991          * In the case where 'watch edits' is off but 'watch creations' is on,
 992          * we'll leave the box unchecked.
 993          *
 994          * Note that the page target can be changed *on the form*, so our check
 995          * state can get out of sync.
 996          */
 997         function watchCheck() {
 998                 global $wgUser;
 999                 if( $wgUser->getOption( 'watchdefault' ) ) {
1000                         // Watch all edits!
1001                         return true;
1002                 }
1003
1004                 $local = wfLocalFile( $this->mDesiredDestName );
1005                 if( $local && $local->exists() ) {
1006                         // We're uploading a new version of an existing file.
1007                         // No creation, so don't watch it if we're not already.
1008                         return $local->getTitle()->userIsWatching();
1009                 } else {
1010                         // New page should get watched if that's our option.
1011                         return $wgUser->getOption( 'watchcreations' );
1012                 }
1013         }
1014
1015          /**
1016          * Check if a user is the last uploader
1017          *
1018          * @param User $user
1019          * @param string $img, image name
1020          * @return bool
1021          * @deprecated Use UploadBase::userCanReUpload
1022          */
1023         public static function userCanReUpload( User $user, $img ) {
1024                 wfDeprecated( __METHOD__ );
1025
1026                 if( $user->isAllowed( 'reupload' ) )
1027                         return true; // non-conditional
1028                 if( !$user->isAllowed( 'reupload-own' ) )
1029                         return false;
1030
1031                 $dbr = wfGetDB( DB_SLAVE );
1032                 $row = $dbr->selectRow('image',
1033                 /* SELECT */ 'img_user',
1034                 /* WHERE */ array( 'img_name' => $img )
1035                 );
1036                 if ( !$row )
1037                         return false;
1038
1039                 return $user->getId() == $row->img_user;
1040         }
1041
1042         /**
1043          * Display an error with a wikitext description
1044          */
1045         function showError( $description ) {
1046                 global $wgOut;
1047                 $wgOut->setPageTitle( wfMsg( "internalerror" ) );
1048                 $wgOut->setRobotPolicy( "noindex,nofollow" );
1049                 $wgOut->setArticleRelated( false );
1050                 $wgOut->enableClientCache( false );
1051                 $wgOut->addWikiText( $description );
1052         }
1053
1054         /**
1055          * Get the initial image page text based on a comment and optional file status information
1056          */
1057         static function getInitialPageText( $comment='', $license='', $copyStatus='', $source='' ) {
1058                 global $wgUseCopyrightUpload;
1059                 if ( $wgUseCopyrightUpload ) {
1060                         if ( $license != '' ) {
1061                                 $licensetxt = '== ' . wfMsgForContent( 'license' ) . " ==\n" . '{{' . $license . '}}' . "\n";
1062                         }
1063                         $pageText = '== ' . wfMsg ( 'filedesc' ) . " ==\n" . $comment . "\n" .
1064                           '== ' . wfMsgForContent ( 'filestatus' ) . " ==\n" . $copyStatus . "\n" .
1065                           "$licensetxt" .
1066                           '== ' . wfMsgForContent ( 'filesource' ) . " ==\n" . $source ;
1067                 } else {
1068                         if ( $license != '' ) {
1069                                 $filedesc = $comment == '' ? '' : '== ' . wfMsg ( 'filedesc' ) . " ==\n" . $comment . "\n";
1070                                  $pageText = $filedesc .
1071                                          '== ' . wfMsgForContent ( 'license' ) . " ==\n" . '{{' . $license . '}}' . "\n";
1072                         } else {
1073                                 $pageText = $comment;
1074                         }
1075                 }
1076                 return $pageText;
1077         }
1078
1079         /**
1080          * If there are rows in the deletion log for this file, show them,
1081          * along with a nice little note for the user
1082          *
1083          * @param OutputPage $out
1084          * @param string filename
1085          */
1086         private function showDeletionLog( $out, $filename ) {
1087                 global $wgUser;
1088                 $loglist = new LogEventsList( $wgUser->getSkin(), $out );
1089                 $pager = new LogPager( $loglist, 'delete', false, $filename );
1090                 if( $pager->getNumRows() > 0 ) {
1091                         $out->addHTML( '<div class="mw-warning-with-logexcerpt">' );
1092                         $out->addWikiMsg( 'upload-wasdeleted' );
1093                         $out->addHTML(
1094                                 $loglist->beginLogEventsList() .
1095                                 $pager->getBody() .
1096                                 $loglist->endLogEventsList()
1097                         );
1098                         $out->addHTML( '</div>' );
1099                 }
1100         }
1101 }