includes/specials/SpecialUpload.php

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