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
  98                 # Check permissions
  99                 global $wgGroupPermissions;
 100                 if( !$wgUser->isAllowed( 'upload' ) ) {
 101                         if( !$wgUser->isLoggedIn() && ( $wgGroupPermissions['user']['upload']
 102                                 || $wgGroupPermissions['autoconfirmed']['upload'] ) ) {
 103                                 // Custom message if logged-in users without any special rights can upload
 104                                 $wgOut->showErrorPage( 'uploadnologin', 'uploadnologintext' );
 105                         } else {
 106                                 $wgOut->permissionRequired( 'upload' );
 107                         }
 108                         return;
 109                 }
 110
 111                 # Check blocks
 112                 if( $wgUser->isBlocked() ) {
 113                         $wgOut->blockedPage();
 114                         return;
 115                 }
 116
 117                 if( wfReadOnly() ) {
 118                         $wgOut->readOnlyPage();
 119                         return;
 120                 }
 121                 //check token if uploading or reUploading
 122                 if( !$this->mTokenOk && !$this->mReUpload && ($this->mUpload && (
 123                                                 'submit' == $this->mAction || $this->mUploadClicked ) )
 124                 ){
 125                     $this->mainUploadForm ( wfMsg( 'session_fail_preview' ) );
 126                     return ;
 127                 }
 128
 129
 130                 if( $this->mReUpload ) {
 131                         // User choose to cancel upload
 132                         if( !$this->mUpload->unsaveUploadedFile() ) {
 133                                 return;
 134                         }
 135                         # Because it is probably checked and shouldn't be
 136                         $this->mIgnoreWarning = false;
 137                         $this->mainUploadForm();
 138                 } elseif( $this->mUpload && (
 139                                         'submit' == $this->mAction ||
 140                                         $this->mUploadClicked
 141                                 ) ) {
 142                         $this->processUpload();
 143                 } else {
 144                         $this->mainUploadForm();
 145                 }
 146
 147                 if( $this->mUpload )
 148                         $this->mUpload->cleanupTempFile();
 149         }
 150
 151         /**
 152          * Do the upload
 153          * Checks are made in SpecialUpload::execute()
 154          *
 155          * FIXME this should really use the standard Status class (instead of associative array)
 156          * FIXME would be nice if we refactored this into the upload api.
 157          *  (the special upload page is not the only response point that needs clean localized error msgs)
 158          *
 159          * @access private
 160          */
 161         function processUpload(){
 162                 global $wgOut, $wgFileExtensions, $wgLang;
 163                 $details = $this->internalProcessUpload();
 164                 switch( $details['status'] ) {
 165                         case UploadBase::SUCCESS:
 166                                 $wgOut->redirect( $this->mLocalFile->getTitle()->getFullURL() );
 167                                 break;
 168
 169                         case UploadBase::BEFORE_PROCESSING:
 170                                 $this->uploadError( $details['error'] );
 171                                 break;
 172                         case UploadBase::LARGE_FILE_SERVER:
 173                                 $this->mainUploadForm( wfMsgHtml( 'largefileserver' ) );
 174                                 break;
 175
 176                         case UploadBase::EMPTY_FILE:
 177                                 $this->mainUploadForm( wfMsgHtml( 'emptyfile' ) );
 178                                 break;
 179
 180                         case UploadBase::MIN_LENGTH_PARTNAME:
 181                                 $this->mainUploadForm( wfMsgHtml( 'minlength1' ) );
 182                                 break;
 183
 184                         case UploadBase::ILLEGAL_FILENAME:
 185                                 $this->uploadError( wfMsgExt( 'illegalfilename',
 186                                         'parseinline', $details['filtered'] ) );
 187                                 break;
 188
 189                         case UploadBase::PROTECTED_PAGE:
 190                                 $wgOut->showPermissionsErrorPage( $details['permissionserrors'] );
 191                                 break;
 192
 193                         case UploadBase::OVERWRITE_EXISTING_FILE:
 194                                 $this->uploadError( wfMsgExt( $details['overwrite'],
 195                                         'parseinline' ) );
 196                                 break;
 197
 198                         case UploadBase::FILETYPE_MISSING:
 199                                 $this->uploadError( wfMsgExt( 'filetype-missing', array ( 'parseinline' ) ) );
 200                                 break;
 201
 202                         case UploadBase::FILETYPE_BADTYPE:
 203                                 $finalExt = $details['finalExt'];
 204                                 $this->uploadError(
 205                                         wfMsgExt( 'filetype-banned-type',
 206                                                 array( 'parseinline' ),
 207                                                 htmlspecialchars( $finalExt ),
 208                                                 implode(
 209                                                         wfMsgExt( 'comma-separator', array( 'escapenoentities' ) ),
 210                                                         $wgFileExtensions
 211                                                 ),
 212                                                 $wgLang->formatNum( count( $wgFileExtensions ) )
 213                                         )
 214                                 );
 215                                 break;
 216
 217                         case UploadBase::VERIFICATION_ERROR:
 218                                 unset( $details['status'] );
 219                                 $code = array_shift( $details );
 220                                 $this->uploadError( wfMsgExt( $code, 'parseinline', $details ) );
 221                                 break;
 222
 223                         case UploadBase::UPLOAD_VERIFICATION_ERROR:
 224                                 $error = $details['error'];
 225                                 $this->uploadError( wfMsgExt( $error, 'parseinline' ) );
 226                                 break;
 227
 228                         case UploadBase::UPLOAD_WARNING:
 229                                 unset( $details['status'] );
 230                                 $this->uploadWarning( $details );
 231                                 break;
 232
 233                         case UploadBase::INTERNAL_ERROR:
 234                                 $status = $details['internal'];
 235                                 $this->showError( $wgOut->parse( $status->getWikiText() ) );
 236                                 break;
 237
 238                         default:
 239                                 throw new MWException( __METHOD__ . ": Unknown value `{$details['status']}`" );
 240                 }
 241         }
 242
 243         /**
 244          * Really do the upload
 245          * Checks are made in SpecialUpload::execute()
 246          *
 247          * @param array $resultDetails contains result-specific dict of additional values
 248          *
 249          * @access private
 250          */
 251         function internalProcessUpload() {
 252                 global $wgUser;
 253
 254                 if( !wfRunHooks( 'UploadForm:BeforeProcessing', array( &$this ) ) )
 255                 {
 256                         wfDebug( "Hook 'UploadForm:BeforeProcessing' broke processing the file.\n" );
 257                         return array( 'status' => UploadBase::BEFORE_PROCESSING );
 258                 }
 259
 260                 /**
 261                  * If the image is protected, non-sysop users won't be able
 262                  * to modify it by uploading a new revision.
 263                  */
 264                 $permErrors = $this->mUpload->verifyPermissions( $wgUser );
 265                 if( $permErrors !== true ) {
 266                         return array( 'status' => UploadBase::PROTECTED_PAGE, 'permissionserrors' => $permErrors );
 267                 }
 268
 269                 // Fetch the file if required
 270                 $status = $this->mUpload->fetchFile();
 271                 if( !$status->isOK() ){
 272                         return array( 'status' =>UploadBase::BEFORE_PROCESSING, 'error'=>$status->getWikiText() );
 273                 }
 274
 275                 // Check whether this is a sane upload
 276                 $result = $this->mUpload->verifyUpload();
 277                 if( $result != UploadBase::OK )
 278                         return $result;
 279
 280                 $this->mLocalFile = $this->mUpload->getLocalFile();
 281
 282                 if( !$this->mIgnoreWarning ) {
 283                         $warnings = $this->mUpload->checkWarnings();
 284
 285                         if( count( $warnings ) ) {
 286                                 $warnings['status'] = UploadBase::UPLOAD_WARNING;
 287                                 return $warnings;
 288                         }
 289                 }
 290
 291
 292                 /**
 293                  * Try actually saving the thing...
 294                  * It will show an error form on failure. No it will not.
 295                  */
 296                 if( !$this->mForReUpload ) {
 297                         $pageText = self::getInitialPageText( $this->mComment, $this->mLicense,
 298                                 $this->mCopyrightStatus, $this->mCopyrightSource );
 299                 } else {
 300                         $pageText = false;
 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                 // Check for uppercase extension. We allow these filenames but check if an image
 322                 // with lowercase extension exists already
 323                 $warning = '';
 324                 $align = $wgContLang->isRtl() ? 'left' : 'right';
 325
 326                 if( $exists === false )
 327                         return '';
 328
 329                 $warning = '';
 330                 $align = $wgContLang->isRtl() ? 'left' : 'right';
 331
 332                 list( $existsType, $file ) = $exists;
 333
 334                 $sk = $wgUser->getSkin();
 335
 336                 if( $existsType == 'exists' ) {
 337                         // Exact match
 338                         $dlink = $sk->linkKnown( $file->getTitle() );
 339                         if ( $file->allowInlineDisplay() ) {
 340                                 $dlink2 = $sk->makeImageLinkObj( $file->getTitle(), wfMsgExt( 'fileexists-thumb', 'parseinline' ),
 341                                         $file->getName(), $align, array(), false, true );
 342                         } elseif ( !$file->allowInlineDisplay() && $file->isSafeFile() ) {
 343                                 $icon = $file->iconThumb();
 344                                 $dlink2 = '<div style="float:' . $align . '" id="mw-media-icon">' .
 345                                         $icon->toHtml( array( 'desc-link' => true ) ) . '<br />' . $dlink . '</div>';
 346                         } else {
 347                                 $dlink2 = '';
 348                         }
 349
 350                         $warning .= '<li>' . wfMsgExt( 'fileexists', array('parseinline','replaceafter'), $dlink ) . '</li>' . $dlink2;
 351
 352                 } elseif( $existsType == 'page-exists' ) {
 353                         $lnk = $sk->linkKnown( $file->getTitle(), '', '',array('redirect'=>'no') );
 354                         $warning .= '<li>' . wfMsgExt( 'filepageexists', array( 'parseinline', 'replaceafter' ), $lnk ) . '</li>';
 355                 } elseif ( $existsType == 'exists-normalized' ) {
 356                         # Check if image with lowercase extension exists.
 357                         # It's not forbidden but in 99% it makes no sense to upload the same filename with uppercase extension
 358                         $dlink = $sk->linkKnown( $nt_lc );
 359                         if ( $file_lc->allowInlineDisplay() ) {
 360                                 // FIXME: replace deprecated makeImageLinkObj by link()
 361                                 $dlink2 = $sk->makeImageLinkObj( $nt_lc, wfMsgExt( 'fileexists-thumb', 'parseinline' ),
 362                                         $nt_lc->getText(), $align, array(), false, true );
 363                         } elseif ( !$file_lc->allowInlineDisplay() && $file_lc->isSafeFile() ) {
 364                                 $icon = $file_lc->iconThumb();
 365                                 $dlink2 = '<div style="float:' . $align . '" id="mw-media-icon">' .
 366                                         $icon->toHtml( array( 'desc-link' => true ) ) . '<br />' . $dlink . '</div>';
 367                         } else {
 368                                 $dlink2 = '';
 369                         }
 370
 371                         $warning .= '<li>' .
 372                                 wfMsgExt( 'fileexists-extension', 'parsemag',
 373                                         $file->getTitle()->getPrefixedText(), $dlink ) .
 374                                 '</li>' . $dlink2;
 375
 376                 } elseif ( ( substr( $partname , 3, 3 ) == 'px-' || substr( $partname , 2, 3 ) == 'px-' )
 377                         && preg_match( "/[0-9]{2}/" , substr( $partname , 0, 2 ) ) )
 378                 {
 379                         # Check for filenames like 50px- or 180px-, these are mostly thumbnails
 380                         $nt_thb = Title::newFromText( substr( $partname , strpos( $partname , '-' ) +1 ) . '.' . $rawExtension );
 381                         $file_thb = wfLocalFile( $nt_thb );
 382                         if ($file_thb->exists() ) {
 383                                 # Check if an image without leading '180px-' (or similiar) exists
 384                                 $dlink = $sk->linkKnown( $nt_thb );
 385                                 if ( $file_thb->allowInlineDisplay() ) {
 386                                         // FIXME: replace deprecated makeImageLinkObj by link()
 387                                         $dlink2 = $sk->makeImageLinkObj( $nt_thb,
 388                                                 wfMsgExt( 'fileexists-thumb', 'parseinline' ),
 389                                                 $nt_thb->getText(), $align, array(), false, true );
 390                                 } elseif ( !$file_thb->allowInlineDisplay() && $file_thb->isSafeFile() ) {
 391                                         $icon = $file_thb->iconThumb();
 392                                         $dlink2 = '<div style="float:' . $align . '" id="mw-media-icon">' .
 393                                                 $icon->toHtml( array( 'desc-link' => true ) ) . '<br />' .
 394                                                 $dlink . '</div>';
 395                                 } else {
 396                                         $dlink2 = '';
 397                                 }
 398
 399                                 $warning .= '<li>' . wfMsgExt( 'fileexists-thumbnail-yes', 'parsemag', $dlink ) .
 400                                         '</li>' . $dlink2;
 401                         } else {
 402                                 # Image w/o '180px-' does not exists, but we do not like these filenames
 403                                 $warning .= '<li>' . wfMsgExt( 'file-thumbnail-no', 'parseinline' ,
 404                                         substr( $partname , 0, strpos( $partname , '-' ) +1 ) ) . '</li>';
 405                         }
 406                 }
 407
 408                 $filenamePrefixBlacklist = UploadBase::getFilenamePrefixBlacklist();
 409                 # Do the match
 410                 if(!isset($partname))
 411                         $partname = '';
 412                 foreach( $filenamePrefixBlacklist as $prefix ) {
 413                         if ( substr( $partname, 0, strlen( $prefix ) ) == $prefix ) {
 414                                 $warning .= '<li>' . wfMsgExt( 'filename-bad-prefix', 'parseinline', $prefix ) . '</li>';
 415                                 break;
 416                         }
 417                 }
 418
 419                 if ( $file->wasDeleted() && !$file->exists() ) {
 420                         # If the file existed before and was deleted, warn the user of this
 421                         # Don't bother doing so if the file exists now, however
 422                         $ltitle = SpecialPage::getTitleFor( 'Log' );
 423                         $llink = $sk->linkKnown(
 424                                 $ltitle,
 425                                 wfMsgHtml( 'deletionlog' ),
 426                                 array(),
 427                                 array(
 428                                         'type' => 'delete',
 429                                         'page' => $file->getTitle()->getPrefixedText()
 430                                 )
 431                         );
 432                         $warning .= '<li>' . wfMsgWikiHtml( 'filewasdeleted', $llink ) . '</li>';
 433                 }
 434                 return $warning;
 435         }
 436
 437         /**
 438          * Get a list of warnings
 439          *
 440          * @param string local filename, e.g. 'file exists', 'non-descriptive filename'
 441          * @return array list of warning messages
 442          */
 443         static function ajaxGetExistsWarning( $filename ) {
 444                 $file = wfFindFile( $filename );
 445                 if( !$file ) {
 446                         // Force local file so we have an object to do further checks against
 447                         // if there isn't an exact match...
 448                         $file = wfLocalFile( $filename );
 449                 }
 450                 $s = '&nbsp;';
 451                 if ( $file ) {
 452                         $exists = UploadBase::getExistsWarning( $file );
 453                         $warning = self::getExistsWarning( $exists );
 454                         // FIXME: We probably also want the prefix blacklist and the wasdeleted check here
 455                         if ( $warning !== '' ) {
 456                                 $s = "<ul>$warning</ul>";
 457                         }
 458                 }
 459                 return $s;
 460         }
 461
 462         /**
 463          * Render a preview of a given license for the AJAX preview on upload
 464          *
 465          * @param string $license
 466          * @return string
 467          */
 468         public static function ajaxGetLicensePreview( $license ) {
 469                 global $wgParser, $wgUser;
 470                 $text = '{{' . $license . '}}';
 471                 $title = Title::makeTitle( NS_FILE, 'Sample.jpg' );
 472                 $options = ParserOptions::newFromUser( $wgUser );
 473
 474                 // Expand subst: first, then live templates...
 475                 $text = $wgParser->preSaveTransform( $text, $title, $wgUser, $options );
 476                 $output = $wgParser->parse( $text, $title, $options );
 477
 478                 return $output->getText();
 479         }
 480
 481         /**
 482          * Construct the human readable warning message from an array of duplicate files
 483          */
 484         public static function getDupeWarning( $dupes ) {
 485                 if( $dupes ) {
 486                         global $wgOut;
 487                         $msg = "<gallery>";
 488                         foreach( $dupes as $file ) {
 489                                 $title = $file->getTitle();
 490                                 $msg .= $title->getPrefixedText() .
 491                                         "|" . $title->getText() . "\n";
 492                         }
 493                         $msg .= "</gallery>";
 494                         return "<li>" .
 495                                 wfMsgExt( "file-exists-duplicate", array( "parse" ), count( $dupes ) ) .
 496                                 $wgOut->parse( $msg ) .
 497                                 "</li>\n";
 498                 } else {
 499                         return '';
 500                 }
 501         }
 502
 503
 504         /**
 505          * Remove a temporarily kept file stashed by saveTempUploadedFile().
 506          * @access private
 507          * @return success
 508          */
 509         function unsaveUploadedFile() {
 510                 global $wgOut;
 511                 $success = $this->mUpload->unsaveUploadedFile();
 512                 if ( ! $success ) {
 513                         $wgOut->showFileDeleteError( $this->mUpload->getTempPath() );
 514                         return false;
 515                 } else {
 516                         return true;
 517                 }
 518         }
 519
 520         /*              Interface code starts below this line             *
 521          * -------------------------------------------------------------- */
 522
 523
 524         /**
 525          * @param string $error as HTML
 526          * @access private
 527          */
 528         function uploadError( $error ) {
 529                 global $wgOut;
 530                 $wgOut->addHTML( '<h2>' . wfMsgHtml( 'uploadwarning' ) . "</h2>\n" );
 531                 $wgOut->addHTML( '<span class="error">' . $error . '</span>' );
 532         }
 533
 534         /**
 535          * There's something wrong with this file, not enough to reject it
 536          * totally but we require manual intervention to save it for real.
 537          * Stash it away, then present a form asking to confirm or cancel.
 538          *
 539          * @param string $warning as HTML
 540          * @access private
 541          */
 542         function uploadWarning( $warnings ) {
 543                 global $wgOut, $wgUser;
 544                 global $wgUseCopyrightUpload;
 545
 546                 $this->mSessionKey = $this->mUpload->stashSession();
 547
 548                 if( $this->mSessionKey === false ) {
 549                         # Couldn't save file; an error has been displayed so let's go.
 550                         return;
 551                 }
 552
 553                 $sk = $wgUser->getSkin();
 554
 555                 $wgOut->addHTML( '<h2>' . wfMsgHtml( 'uploadwarning' ) . "</h2>\n" );
 556                 $wgOut->addHTML( '<ul class="warning">' );
 557                 foreach( $warnings as $warning => $args ) {
 558                                 $msg = null;
 559                                 if( $warning == 'exists' ) {
 560
 561                                         //we should not have produced this warning if the user already acknowledged the destination warning
 562                                         //at any rate I don't see why we should hid this warning if mDestWarningAck has been checked
 563                                         //(it produces an empty warning page when no other warnings are fired)
 564                                         //if ( !$this->mDestWarningAck )
 565                                                 $msg = self::getExistsWarning( $args );
 566
 567                                 } elseif( $warning == 'duplicate' ) {
 568                                         $msg = $this->getDupeWarning( $args );
 569                                 } elseif( $warning == 'duplicate-archive' ) {
 570                                         $titleText = Title::makeTitle( NS_FILE, $args )->getPrefixedText();
 571                                         $msg = Xml::tags( 'li', null, wfMsgExt( 'file-deleted-duplicate', array( 'parseinline' ), array( $titleText ) ) );
 572                                 } elseif( $warning == 'filewasdeleted' ) {
 573                                         $ltitle = SpecialPage::getTitleFor( 'Log' );
 574                                         $llink = $sk->makeKnownLinkObj( $ltitle, wfMsgHtml( 'deletionlog' ),
 575                                                 'type=delete&page=' . $args->getPrefixedUrl() );
 576                                         $msg = "\t<li>" . wfMsgWikiHtml( 'filewasdeleted', $llink ) . "</li>\n";
 577                                 } else {
 578                                         if( is_bool( $args ) )
 579                                                 $args = array();
 580                                         elseif( !is_array( $args ) )
 581                                                 $args = array( $args );
 582                                         $msg = "\t<li>" . wfMsgExt( $warning, 'parseinline', $args ) . "</li>\n";
 583                                 }
 584                                 if( $msg )
 585                                         $wgOut->addHTML( $msg );
 586                 }
 587
 588                 $titleObj = SpecialPage::getTitleFor( 'Upload' );
 589
 590                 if ( $wgUseCopyrightUpload ) {
 591                         $copyright = Xml::hidden( 'wpUploadCopyStatus', $this->mCopyrightStatus ) . "\n" .
 592                                         Xml::hidden( 'wpUploadSource', $this->mCopyrightSource ) . "\n";
 593                 } else {
 594                         $copyright = '';
 595                 }
 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', $wgUser->editToken()) .
 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()->linkKnown(
 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                         if( $wgStrictFileExtensions ) {
 706                                 # Everything not permitted is banned
 707                                 $extensionsList =
 708                                         '<div id="mw-upload-permitted">' .
 709                                         wfMsgWikiHtml( 'upload-permitted', $wgLang->commaList( $wgFileExtensions ) ) .
 710                                         "</div>\n";
 711                         } else {
 712                                 # We have to list both preferred and prohibited
 713                                 $extensionsList =
 714                                         '<div id="mw-upload-preferred">' .
 715                                         wfMsgWikiHtml( 'upload-preferred', $wgLang->commaList( $wgFileExtensions ) ) .
 716                                         "</div>\n" .
 717                                         '<div id="mw-upload-prohibited">' .
 718                                         wfMsgWikiHtml( 'upload-prohibited', $wgLang->commaList( $wgFileExtensions ) ) .
 719                                         "</div>\n";
 720                         }
 721                 } else {
 722                         # Everything is permitted.
 723                         $extensionsList = '';
 724                 }
 725
 726                 # Get the maximum file size from php.ini as $wgMaxUploadSize works for uploads from URL via CURL only
 727                 # See http://www.php.net/manual/en/ini.core.php#ini.upload-max-filesize for possible values of upload_max_filesize
 728                 $val = trim( ini_get( 'upload_max_filesize' ) );
 729                 $last = strtoupper( ( substr( $val, -1 ) ) );
 730                 switch( $last ) {
 731                         case 'G':
 732                                 $val2 = substr( $val, 0, -1 ) * 1024 * 1024 * 1024;
 733                                 break;
 734                         case 'M':
 735                                 $val2 = substr( $val, 0, -1 ) * 1024 * 1024;
 736                                 break;
 737                         case 'K':
 738                                 $val2 = substr( $val, 0, -1 ) * 1024;
 739                                 break;
 740                         default:
 741                                 $val2 = $val;
 742                 }
 743                 $maxUploadSize = '<div id="mw-upload-maxfilesize">' .
 744                         wfMsgExt( 'upload-maxfilesize', array( 'parseinline', 'escapenoentities' ),
 745                                 $wgLang->formatSize( $val2 ) ) .
 746                                 "</div>\n";
 747                 //add a hidden filed for upload by url (uses the $wgMaxUploadSize var)
 748                 if( UploadFromUrl::isEnabled() ){
 749                         $maxUploadSize.='<div id="mw-upload-maxfilesize-url" style="display:none">' .
 750                         wfMsgExt( 'upload-maxfilesize', array( 'parseinline', 'escapenoentities' ),
 751                                 $wgLang->formatSize( $wgMaxUploadSize ) ) .
 752                                 "</div>\n";
 753                 }
 754
 755                 $sourcefilename = wfMsgExt( 'sourcefilename', array( 'parseinline', 'escapenoentities' ) );
 756         $destfilename = wfMsgExt( 'destfilename', array( 'parseinline', 'escapenoentities' ) );
 757
 758                 $msg = ( $this->mForReUpload )  ? 'filereuploadsummary' : 'fileuploadsummary';
 759                 $summary = wfMsgExt( $msg, 'parseinline' );
 760
 761                 $licenses = new Licenses();
 762                 $license = wfMsgExt( 'license', array( 'parseinline' ) );
 763                 $nolicense = wfMsgHtml( 'nolicense' );
 764                 $licenseshtml = $licenses->getHtml();
 765
 766                 $ulb = wfMsgHtml( 'uploadbtn' );
 767
 768
 769                 $titleObj = SpecialPage::getTitleFor( 'Upload' );
 770
 771                 $encDestName = htmlspecialchars( $this->mDesiredDestName );
 772
 773                 $watchChecked = $this->watchCheck() ? 'checked="checked"' : '';
 774                 # Re-uploads should not need "file exist already" warnings
 775                 $warningChecked = ($this->mIgnoreWarning || $this->mForReUpload) ? 'checked="checked"' : '';
 776
 777                 // Prepare form for upload or upload/copy
 778                 //javascript moved from inline calls to setup:
 779                 if( UploadFromUrl::isEnabled() && $wgUser->isAllowed( 'upload_by_url' ) ) {
 780                     if($wgEnableJS2system){
 781                         $filename_form =
 782                                 Xml::input( 'wpSourceType', false, 'file', array( 'id'=>'wpSourceTypeFile', 'type' => 'radio', 'checked' => 'checked' ) ) .
 783                                 Xml::input( 'wpUploadFile', 60, false, array( 'id'=>'wpUploadFile', 'type'=>'file', 'tabindex' => '1' ) ) .
 784                                                 wfMsgHTML( 'upload_source_file' ) . "<br/>" .
 785                                         Xml::input( 'wpSourceType', false, 'Url', array( 'id'=>'wpSourceTypeURL', 'type' => 'radio' )) .
 786                                         Xml::input( 'wpUploadFileURL', 60, false, array( 'id'=>'wpUploadFileURL', 'type' => 'text', 'tabindex' => '1')) .
 787                                 wfMsgHtml( 'upload_source_url' ) ;
 788                     }else{
 789                          //@@todo depreciate (not needed once $wgEnableJS2system is turned on)
 790                $filename_form =
 791                                 "<input type='radio' id='wpSourceTypeFile' name='wpSourceType' value='file' " .
 792                                    "onchange='toggle_element_activation(\"wpUploadFileURL\",\"wpUploadFile\")' checked='checked' />" .
 793                                  "<input tabindex='1' type='file' name='wpUploadFile' id='wpUploadFile' " .
 794                                    " onfocus='" .
 795                                      "toggle_element_activation(\"wpUploadFileURL\",\"wpUploadFile\");" .
 796                                      "toggle_element_check(\"wpSourceTypeFile\",\"wpSourceTypeURL\")' " .
 797                                      "onchange='fillDestFilename(\"wpUploadFile\")' size='60' />" .
 798                                 wfMsgHTML( 'upload_source_file' ) . "<br/>" .
 799                                 "<input type='radio' id='wpSourceTypeURL' name='wpSourceType' value='web' " .
 800                                   "onchange='toggle_element_activation(\"wpUploadFile\",\"wpUploadFileURL\")' />" .
 801                                 "<input tabindex='1' type='text' name='wpUploadFileURL' id='wpUploadFileURL' " .
 802                                   "onfocus='" .
 803                                     "toggle_element_activation(\"wpUploadFile\",\"wpUploadFileURL\");" .
 804                                     "toggle_element_check(\"wpSourceTypeURL\",\"wpSourceTypeFile\")' " .
 805                                     "onchange='fillDestFilename(\"wpUploadFileURL\")' size='60' disabled='disabled' />" .
 806                                 wfMsgHtml( 'upload_source_url' ) ;
 807
 808                     }
 809                 } else {
 810                         if($wgEnableJS2system){
 811                                 $filename_form =
 812                                         Xml::input( 'wpUploadFile', 60, false, array( 'id'=>'wpUploadFile', 'type'=>'file', 'tabindex' => '1' ) ) .
 813                                         Xml::hidden( 'wpSourceType', 'file');
 814                         }else{
 815                                 $filename_form =
 816                                 "<input tabindex='1' type='file' name='wpUploadFile' id='wpUploadFile' size='60' ".
 817                                 "onchange='fillDestFilename(\"wpUploadFile\")' />" .
 818                                 "<input type='hidden' name='wpSourceType' value='file' />" ;
 819                         }
 820                 }
 821                 $warningRow = '';
 822                 $destOnkeyup = '';
 823                 if($wgEnableJS2system){
 824                         $warningRow = "<tr><td colspan='2' id='wpDestFile-warning'>&nbsp;</td></tr>";
 825                 }else{
 826                         if ( $useAjaxDestCheck ) {
 827                                 $warningRow = "<tr><td colspan='2' id='wpDestFile-warning'>&nbsp;</td></tr>";
 828                                 $destOnkeyup = 'onchange=\'wgUploadWarningObj.checkNow(this.value);\'';
 829                         }
 830                 }
 831                 # Uploading a new version? If so, the name is fixed.
 832                 $on = $this->mForReUpload ? "readonly='readonly'" : "";
 833
 834                 $encComment = htmlspecialchars( $this->mComment );
 835
 836             //add the wpEditToken
 837                 $wgOut->addHTML(
 838                          Xml::openElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalURL( 'action=submit' ),
 839                                  'enctype' => 'multipart/form-data', 'id' => 'mw-upload-form' ) ) .
 840                          Xml::hidden('wpEditToken', $wgUser->editToken()) .
 841                          Xml::openElement( 'fieldset' ) .
 842                          Xml::element( 'legend', null, wfMsg( 'upload' ) ) .
 843                          Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-upload-table' ) ) .
 844                          "<tr>
 845                                 {$this->uploadFormTextTop}
 846                                 <td class='mw-label'>
 847                                         <label for='wpUploadFile'>{$sourcefilename}</label>
 848                                 </td>
 849                                 <td class='mw-input'>
 850                                         {$filename_form}
 851                                 </td>
 852                         </tr>
 853                         <tr>
 854                                 <td></td>
 855                                 <td>
 856                                         {$maxUploadSize}
 857                                         {$extensionsList}
 858                                 </td>
 859                         </tr>
 860                         <tr>
 861                                 <td class='mw-label'>
 862                                         <label for='wpDestFile'>{$destfilename}</label>
 863                                 </td>
 864                                 <td class='mw-input'>"
 865                 );
 866                 if( $this->mForReUpload ) {
 867                         $wgOut->addHTML(
 868                                 Xml::hidden( 'wpDestFile', $this->mDesiredDestName, array('id'=>'wpDestFile','tabindex'=>2) ) .
 869                                 "<tt>" .
 870                                 $encDestName .
 871                                 "</tt>"
 872                         );
 873                 }
 874                 else {
 875                         $wgOut->addHTML(
 876                                 "<input tabindex='2' type='text' name='wpDestFile' id='wpDestFile' size='60'
 877                                                 value=\"{$encDestName}\" $destOnkeyup />"
 878                         );
 879                 }
 880
 881
 882                 $wgOut->addHTML(
 883                                 "</td>
 884                         </tr>
 885                         <tr>
 886                                 <td class='mw-label'>
 887                                         <label for='wpUploadDescription'>{$summary}</label>
 888                                 </td>
 889                                 <td class='mw-input'>
 890                                         <textarea tabindex='3' name='wpUploadDescription' id='wpUploadDescription' rows='6'
 891                                                 cols='{$cols}'{$width}>$encComment</textarea>
 892                                         {$this->uploadFormTextAfterSummary}
 893                                 </td>
 894                         </tr>
 895                         <tr>"
 896                 );
 897
 898                 # Re-uploads should not need license info
 899                 if ( !$this->mForReUpload && $licenseshtml != '' ) {
 900                         global $wgStylePath;
 901                         $wgOut->addHTML( "
 902                                         <td class='mw-label'>
 903                                                 <label for='wpLicense'>$license</label>
 904                                         </td>
 905                                         <td class='mw-input'>
 906                                                 <select name='wpLicense' id='wpLicense' tabindex='4'
 907                                                         onchange='licenseSelectorCheck()'>
 908                                                         <option value=''>$nolicense</option>
 909                                                         $licenseshtml
 910                                                 </select>
 911                                         </td>
 912                                 </tr>
 913                                 <tr>"
 914                         );
 915                         if( $useAjaxLicensePreview ) {
 916                                 $wgOut->addHTML( "
 917                                                 <td></td>
 918                                                 <td id=\"mw-license-preview\"></td>
 919                                         </tr>
 920                                         <tr>"
 921                                 );
 922                         }
 923                 }
 924
 925                 if ( !$this->mForReUpload && $wgUseCopyrightUpload ) {
 926                         $filestatus = wfMsgExt( 'filestatus', 'escapenoentities' );
 927                         $copystatus =  htmlspecialchars( $this->mCopyrightStatus );
 928                         $filesource = wfMsgExt( 'filesource', 'escapenoentities' );
 929                         $uploadsource = htmlspecialchars( $this->mCopyrightSource );
 930
 931                         $wgOut->addHTML( "
 932                                         <td class='mw-label' style='white-space: nowrap;'>
 933                                                 <label for='wpUploadCopyStatus'>$filestatus</label></td>
 934                                         <td class='mw-input'>
 935                                                 <input tabindex='5' type='text' name='wpUploadCopyStatus' id='wpUploadCopyStatus'
 936                                                         value=\"$copystatus\" size='60' />
 937                                         </td>
 938                                 </tr>
 939                                 <tr>
 940                                         <td class='mw-label'>
 941                                                 <label for='wpUploadCopyStatus'>$filesource</label>
 942                                         </td>
 943                                         <td class='mw-input'>
 944                                                 <input tabindex='6' type='text' name='wpUploadSource' id='wpUploadCopyStatus'
 945                                                         value=\"$uploadsource\" size='60' />
 946                                         </td>
 947                                 </tr>
 948                                 <tr>"
 949                         );
 950                 }
 951
 952                 $wgOut->addHTML( "
 953                                 <td></td>
 954                                 <td>
 955                                         <input tabindex='7' type='checkbox' name='wpWatchthis' id='wpWatchthis' $watchChecked value='true' />
 956                                         <label for='wpWatchthis'>" . wfMsgHtml( 'watchthisupload' ) . "</label>
 957                                         <input tabindex='8' type='checkbox' name='wpIgnoreWarning' id='wpIgnoreWarning' value='true' $warningChecked />
 958                                         <label for='wpIgnoreWarning'>" . wfMsgHtml( 'ignorewarnings' ) . "</label>
 959                                 </td>
 960                         </tr>
 961                         $warningRow
 962                         <tr>
 963                                 <td></td>
 964                                         <td class='mw-input'>
 965                                                 <input tabindex='9' type='submit' name='wpUpload' value=\"{$ulb}\"" .
 966                                                         $wgUser->getSkin()->tooltipAndAccesskey( 'upload' ) . " />
 967                                         </td>
 968                         </tr>
 969                         <tr>
 970                                 <td></td>
 971                                 <td class='mw-input'>"
 972                 );
 973                 $wgOut->addHTML( '<div class="mw-editTools">' );
 974                 $wgOut->addWikiMsgArray( 'edittools', array(), array( 'content' ) );
 975                 $wgOut->addHTML( '</div>' );
 976                 $wgOut->addHTML( "
 977                                 </td>
 978                         </tr>" .
 979                         Xml::closeElement( 'table' ) .
 980                         Xml::hidden( 'wpDestFileWarningAck', '', array( 'id' => 'wpDestFileWarningAck' ) ) .
 981                         Xml::hidden( 'wpForReUpload', $this->mForReUpload, array( 'id' => 'wpForReUpload' ) ) .
 982                         Xml::closeElement( 'fieldset' ) .
 983                         Xml::closeElement( 'form' )
 984                 );
 985                 $uploadfooter = wfMsgNoTrans( 'uploadfooter' );
 986                 if( $uploadfooter != '-' && !wfEmptyMsg( 'uploadfooter', $uploadfooter ) ){
 987                         $wgOut->addWikiText( '<div id="mw-upload-footer-message">' . $uploadfooter . '</div>' );
 988                 }
 989         }
 990
 991         /* -------------------------------------------------------------- */
 992
 993         /**
 994          * See if we should check the 'watch this page' checkbox on the form
 995          * based on the user's preferences and whether we're being asked
 996          * to create a new file or update an existing one.
 997          *
 998          * In the case where 'watch edits' is off but 'watch creations' is on,
 999          * we'll leave the box unchecked.
1000          *
1001          * Note that the page target can be changed *on the form*, so our check
1002          * state can get out of sync.
1003          */
1004         function watchCheck() {
1005                 global $wgUser;
1006                 if( $wgUser->getOption( 'watchdefault' ) ) {
1007                         // Watch all edits!
1008                         return true;
1009                 }
1010
1011                 $local = wfLocalFile( $this->mDesiredDestName );
1012                 if( $local && $local->exists() ) {
1013                         // We're uploading a new version of an existing file.
1014                         // No creation, so don't watch it if we're not already.
1015                         return $local->getTitle()->userIsWatching();
1016                 } else {
1017                         // New page should get watched if that's our option.
1018                         return $wgUser->getOption( 'watchcreations' );
1019                 }
1020         }
1021
1022          /**
1023          * Check if a user is the last uploader
1024          *
1025          * @param User $user
1026          * @param string $img, image name
1027          * @return bool
1028          * @deprecated Use UploadBase::userCanReUpload
1029          */
1030         public static function userCanReUpload( User $user, $img ) {
1031                 wfDeprecated( __METHOD__ );
1032
1033                 if( $user->isAllowed( 'reupload' ) )
1034                         return true; // non-conditional
1035                 if( !$user->isAllowed( 'reupload-own' ) )
1036                         return false;
1037
1038                 $dbr = wfGetDB( DB_SLAVE );
1039                 $row = $dbr->selectRow('image',
1040                 /* SELECT */ 'img_user',
1041                 /* WHERE */ array( 'img_name' => $img )
1042                 );
1043                 if ( !$row )
1044                         return false;
1045
1046                 return $user->getId() == $row->img_user;
1047         }
1048
1049         /**
1050          * Display an error with a wikitext description
1051          */
1052         function showError( $description ) {
1053                 global $wgOut;
1054                 $wgOut->setPageTitle( wfMsg( "internalerror" ) );
1055                 $wgOut->setRobotPolicy( "noindex,nofollow" );
1056                 $wgOut->setArticleRelated( false );
1057                 $wgOut->enableClientCache( false );
1058                 $wgOut->addWikiText( $description );
1059         }
1060
1061         /**
1062          * Get the initial image page text based on a comment and optional file status information
1063          */
1064         static function getInitialPageText( $comment='', $license='', $copyStatus='', $source='' ) {
1065                 global $wgUseCopyrightUpload;
1066                 if ( $wgUseCopyrightUpload ) {
1067                         if ( $license != '' ) {
1068                                 $licensetxt = '== ' . wfMsgForContent( 'license' ) . " ==\n" . '{{' . $license . '}}' . "\n";
1069                         }
1070                         $pageText = '== ' . wfMsgForContent ( 'filedesc' ) . " ==\n" . $comment . "\n" .
1071                           '== ' . wfMsgForContent ( 'filestatus' ) . " ==\n" . $copyStatus . "\n" .
1072                           "$licensetxt" .
1073                           '== ' . wfMsgForContent ( 'filesource' ) . " ==\n" . $source ;
1074                 } else {
1075                         if ( $license != '' ) {
1076                                 $filedesc = $comment == '' ? '' : '== ' . wfMsgForContent ( 'filedesc' ) . " ==\n" . $comment . "\n";
1077                                  $pageText = $filedesc .
1078                                          '== ' . wfMsgForContent ( 'license' ) . " ==\n" . '{{' . $license . '}}' . "\n";
1079                         } else {
1080                                 $pageText = $comment;
1081                         }
1082                 }
1083                 return $pageText;
1084         }
1085
1086         /**
1087          * If there are rows in the deletion log for this file, show them,
1088          * along with a nice little note for the user
1089          *
1090          * @param OutputPage $out
1091          * @param string filename
1092          */
1093         private function showDeletionLog( $out, $filename ) {
1094                 global $wgUser;
1095                 $loglist = new LogEventsList( $wgUser->getSkin(), $out );
1096                 $pager = new LogPager( $loglist, 'delete', false, $filename );
1097                 if( $pager->getNumRows() > 0 ) {
1098                         $out->addHTML( '<div class="mw-warning-with-logexcerpt">' );
1099                         $out->addWikiMsg( 'upload-wasdeleted' );
1100                         $out->addHTML(
1101                                 $loglist->beginLogEventsList() .
1102                                 $pager->getBody() .
1103                                 $loglist->endLogEventsList()
1104                         );
1105                         $out->addHTML( '</div>' );
1106                 }
1107         }
1108 }