includes/specials/SpecialUpload.php

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