includes/specials/SpecialUpload.php

   1 <?php
   2 /**
   3  * Implements Special:Upload
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  * @ingroup Upload
  23  */
  24
  25 use MediaWiki\Linker\LinkRenderer;
  26 use MediaWiki\MediaWikiServices;
  27
  28 /**
  29  * Form for handling uploads and special page.
  30  *
  31  * @ingroup SpecialPage
  32  * @ingroup Upload
  33  */
  34 class SpecialUpload extends SpecialPage {
  35         /**
  36          * Constructor : initialise object
  37          * Get data POSTed through the form and assign them to the object
  38          * @param WebRequest $request Data posted.
  39          */
  40         public function __construct( $request = null ) {
  41                 parent::__construct( 'Upload', 'upload' );
  42         }
  43
  44         public function doesWrites() {
  45                 return true;
  46         }
  47
  48         /** Misc variables **/
  49
  50         /** @var WebRequest|FauxRequest The request this form is supposed to handle */
  51         public $mRequest;
  52         public $mSourceType;
  53
  54         /** @var UploadBase */
  55         public $mUpload;
  56
  57         /** @var LocalFile */
  58         public $mLocalFile;
  59         public $mUploadClicked;
  60
  61         /** User input variables from the "description" section **/
  62
  63         /** @var string The requested target file name */
  64         public $mDesiredDestName;
  65         public $mComment;
  66         public $mLicense;
  67
  68         /** User input variables from the root section **/
  69
  70         public $mIgnoreWarning;
  71         public $mWatchthis;
  72         public $mCopyrightStatus;
  73         public $mCopyrightSource;
  74
  75         /** Hidden variables **/
  76
  77         public $mDestWarningAck;
  78
  79         /** @var bool The user followed an "overwrite this file" link */
  80         public $mForReUpload;
  81
  82         /** @var bool The user clicked "Cancel and return to upload form" button */
  83         public $mCancelUpload;
  84         public $mTokenOk;
  85
  86         /** @var bool Subclasses can use this to determine whether a file was uploaded */
  87         public $mUploadSuccessful = false;
  88
  89         /** Text injection points for hooks not using HTMLForm **/
  90         public $uploadFormTextTop;
  91         public $uploadFormTextAfterSummary;
  92
  93         /**
  94          * Initialize instance variables from request and create an Upload handler
  95          */
  96         protected function loadRequest() {
  97                 $this->mRequest = $request = $this->getRequest();
  98                 $this->mSourceType = $request->getVal( 'wpSourceType', 'file' );
  99                 $this->mUpload = UploadBase::createFromRequest( $request );
 100                 $this->mUploadClicked = $request->wasPosted()
 101                         && ( $request->getCheck( 'wpUpload' )
 102                                 || $request->getCheck( 'wpUploadIgnoreWarning' ) );
 103
 104                 // Guess the desired name from the filename if not provided
 105                 $this->mDesiredDestName = $request->getText( 'wpDestFile' );
 106                 if ( !$this->mDesiredDestName && $request->getFileName( 'wpUploadFile' ) !== null ) {
 107                         $this->mDesiredDestName = $request->getFileName( 'wpUploadFile' );
 108                 }
 109                 $this->mLicense = $request->getText( 'wpLicense' );
 110
 111                 $this->mDestWarningAck = $request->getText( 'wpDestFileWarningAck' );
 112                 $this->mIgnoreWarning = $request->getCheck( 'wpIgnoreWarning' )
 113                         || $request->getCheck( 'wpUploadIgnoreWarning' );
 114                 $this->mWatchthis = $request->getBool( 'wpWatchthis' ) && $this->getUser()->isLoggedIn();
 115                 $this->mCopyrightStatus = $request->getText( 'wpUploadCopyStatus' );
 116                 $this->mCopyrightSource = $request->getText( 'wpUploadSource' );
 117
 118                 $this->mForReUpload = $request->getBool( 'wpForReUpload' ); // updating a file
 119
 120                 $commentDefault = '';
 121                 $commentMsg = wfMessage( 'upload-default-description' )->inContentLanguage();
 122                 if ( !$this->mForReUpload && !$commentMsg->isDisabled() ) {
 123                         $commentDefault = $commentMsg->plain();
 124                 }
 125                 $this->mComment = $request->getText( 'wpUploadDescription', $commentDefault );
 126
 127                 $this->mCancelUpload = $request->getCheck( 'wpCancelUpload' )
 128                         || $request->getCheck( 'wpReUpload' ); // b/w compat
 129
 130                 // If it was posted check for the token (no remote POST'ing with user credentials)
 131                 $token = $request->getVal( 'wpEditToken' );
 132                 $this->mTokenOk = $this->getUser()->matchEditToken( $token );
 133
 134                 $this->uploadFormTextTop = '';
 135                 $this->uploadFormTextAfterSummary = '';
 136         }
 137
 138         /**
 139          * This page can be shown if uploading is enabled.
 140          * Handle permission checking elsewhere in order to be able to show
 141          * custom error messages.
 142          *
 143          * @param User $user
 144          * @return bool
 145          */
 146         public function userCanExecute( User $user ) {
 147                 return UploadBase::isEnabled() && parent::userCanExecute( $user );
 148         }
 149
 150         /**
 151          * Special page entry point
 152          * @param string $par
 153          * @throws ErrorPageError
 154          * @throws Exception
 155          * @throws FatalError
 156          * @throws MWException
 157          * @throws PermissionsError
 158          * @throws ReadOnlyError
 159          * @throws UserBlockedError
 160          */
 161         public function execute( $par ) {
 162                 $this->useTransactionalTimeLimit();
 163
 164                 $this->setHeaders();
 165                 $this->outputHeader();
 166
 167                 # Check uploading enabled
 168                 if ( !UploadBase::isEnabled() ) {
 169                         throw new ErrorPageError( 'uploaddisabled', 'uploaddisabledtext' );
 170                 }
 171
 172                 $this->addHelpLink( 'Help:Managing files' );
 173
 174                 # Check permissions
 175                 $user = $this->getUser();
 176                 $permissionRequired = UploadBase::isAllowed( $user );
 177                 if ( $permissionRequired !== true ) {
 178                         throw new PermissionsError( $permissionRequired );
 179                 }
 180
 181                 # Check blocks
 182                 if ( $user->isBlocked() ) {
 183                         throw new UserBlockedError( $user->getBlock() );
 184                 }
 185
 186                 // Global blocks
 187                 if ( $user->isBlockedGlobally() ) {
 188                         throw new UserBlockedError( $user->getGlobalBlock() );
 189                 }
 190
 191                 # Check whether we actually want to allow changing stuff
 192                 $this->checkReadOnly();
 193
 194                 $this->loadRequest();
 195
 196                 # Unsave the temporary file in case this was a cancelled upload
 197                 if ( $this->mCancelUpload ) {
 198                         if ( !$this->unsaveUploadedFile() ) {
 199                                 # Something went wrong, so unsaveUploadedFile showed a warning
 200                                 return;
 201                         }
 202                 }
 203
 204                 # Process upload or show a form
 205                 if (
 206                         $this->mTokenOk && !$this->mCancelUpload &&
 207                         ( $this->mUpload && $this->mUploadClicked )
 208                 ) {
 209                         $this->processUpload();
 210                 } else {
 211                         # Backwards compatibility hook
 212                         if ( !Hooks::run( 'UploadForm:initial', [ &$this ] ) ) {
 213                                 wfDebug( "Hook 'UploadForm:initial' broke output of the upload form\n" );
 214
 215                                 return;
 216                         }
 217                         $this->showUploadForm( $this->getUploadForm() );
 218                 }
 219
 220                 # Cleanup
 221                 if ( $this->mUpload ) {
 222                         $this->mUpload->cleanupTempFile();
 223                 }
 224         }
 225
 226         /**
 227          * Show the main upload form
 228          *
 229          * @param HTMLForm|string $form An HTMLForm instance or HTML string to show
 230          */
 231         protected function showUploadForm( $form ) {
 232                 # Add links if file was previously deleted
 233                 if ( $this->mDesiredDestName ) {
 234                         $this->showViewDeletedLinks();
 235                 }
 236
 237                 if ( $form instanceof HTMLForm ) {
 238                         $form->show();
 239                 } else {
 240                         $this->getOutput()->addHTML( $form );
 241                 }
 242         }
 243
 244         /**
 245          * Get an UploadForm instance with title and text properly set.
 246          *
 247          * @param string $message HTML string to add to the form
 248          * @param string $sessionKey Session key in case this is a stashed upload
 249          * @param bool $hideIgnoreWarning Whether to hide "ignore warning" check box
 250          * @return UploadForm
 251          */
 252         protected function getUploadForm( $message = '', $sessionKey = '', $hideIgnoreWarning = false ) {
 253                 # Initialize form
 254                 $context = new DerivativeContext( $this->getContext() );
 255                 $context->setTitle( $this->getPageTitle() ); // Remove subpage
 256                 $form = new UploadForm( [
 257                         'watch' => $this->getWatchCheck(),
 258                         'forreupload' => $this->mForReUpload,
 259                         'sessionkey' => $sessionKey,
 260                         'hideignorewarning' => $hideIgnoreWarning,
 261                         'destwarningack' => (bool)$this->mDestWarningAck,
 262
 263                         'description' => $this->mComment,
 264                         'texttop' => $this->uploadFormTextTop,
 265                         'textaftersummary' => $this->uploadFormTextAfterSummary,
 266                         'destfile' => $this->mDesiredDestName,
 267                 ], $context, $this->getLinkRenderer() );
 268
 269                 # Check the token, but only if necessary
 270                 if (
 271                         !$this->mTokenOk && !$this->mCancelUpload &&
 272                         ( $this->mUpload && $this->mUploadClicked )
 273                 ) {
 274                         $form->addPreText( $this->msg( 'session_fail_preview' )->parse() );
 275                 }
 276
 277                 # Give a notice if the user is uploading a file that has been deleted or moved
 278                 # Note that this is independent from the message 'filewasdeleted'
 279                 $desiredTitleObj = Title::makeTitleSafe( NS_FILE, $this->mDesiredDestName );
 280                 $delNotice = ''; // empty by default
 281                 if ( $desiredTitleObj instanceof Title && !$desiredTitleObj->exists() ) {
 282                         LogEventsList::showLogExtract( $delNotice, [ 'delete', 'move' ],
 283                                 $desiredTitleObj,
 284                                 '', [ 'lim' => 10,
 285                                         'conds' => [ "log_action != 'revision'" ],
 286                                         'showIfEmpty' => false,
 287                                         'msgKey' => [ 'upload-recreate-warning' ] ]
 288                         );
 289                 }
 290                 $form->addPreText( $delNotice );
 291
 292                 # Add text to form
 293                 $form->addPreText( '<div id="uploadtext">' .
 294                         $this->msg( 'uploadtext', [ $this->mDesiredDestName ] )->parseAsBlock() .
 295                         '</div>' );
 296                 # Add upload error message
 297                 $form->addPreText( $message );
 298
 299                 # Add footer to form
 300                 $uploadFooter = $this->msg( 'uploadfooter' );
 301                 if ( !$uploadFooter->isDisabled() ) {
 302                         $form->addPostText( '<div id="mw-upload-footer-message">'
 303                                 . $uploadFooter->parseAsBlock() . "</div>\n" );
 304                 }
 305
 306                 return $form;
 307         }
 308
 309         /**
 310          * Shows the "view X deleted revivions link""
 311          */
 312         protected function showViewDeletedLinks() {
 313                 $title = Title::makeTitleSafe( NS_FILE, $this->mDesiredDestName );
 314                 $user = $this->getUser();
 315                 // Show a subtitle link to deleted revisions (to sysops et al only)
 316                 if ( $title instanceof Title ) {
 317                         $count = $title->isDeleted();
 318                         if ( $count > 0 && $user->isAllowed( 'deletedhistory' ) ) {
 319                                 $restorelink = $this->getLinkRenderer()->makeKnownLink(
 320                                         SpecialPage::getTitleFor( 'Undelete', $title->getPrefixedText() ),
 321                                         $this->msg( 'restorelink' )->numParams( $count )->text()
 322                                 );
 323                                 $link = $this->msg( $user->isAllowed( 'delete' ) ? 'thisisdeleted' : 'viewdeleted' )
 324                                         ->rawParams( $restorelink )->parseAsBlock();
 325                                 $this->getOutput()->addHTML( "<div id=\"contentSub2\">{$link}</div>" );
 326                         }
 327                 }
 328         }
 329
 330         /**
 331          * Stashes the upload and shows the main upload form.
 332          *
 333          * Note: only errors that can be handled by changing the name or
 334          * description should be redirected here. It should be assumed that the
 335          * file itself is sane and has passed UploadBase::verifyFile. This
 336          * essentially means that UploadBase::VERIFICATION_ERROR and
 337          * UploadBase::EMPTY_FILE should not be passed here.
 338          *
 339          * @param string $message HTML message to be passed to mainUploadForm
 340          */
 341         protected function showRecoverableUploadError( $message ) {
 342                 $sessionKey = $this->mUpload->stashFile()->getFileKey();
 343                 $message = '<h2>' . $this->msg( 'uploaderror' )->escaped() . "</h2>\n" .
 344                         '<div class="error">' . $message . "</div>\n";
 345
 346                 $form = $this->getUploadForm( $message, $sessionKey );
 347                 $form->setSubmitText( $this->msg( 'upload-tryagain' )->escaped() );
 348                 $this->showUploadForm( $form );
 349         }
 350
 351         /**
 352          * Stashes the upload, shows the main form, but adds a "continue anyway button".
 353          * Also checks whether there are actually warnings to display.
 354          *
 355          * @param array $warnings
 356          * @return bool True if warnings were displayed, false if there are no
 357          *   warnings and it should continue processing
 358          */
 359         protected function showUploadWarning( $warnings ) {
 360                 # If there are no warnings, or warnings we can ignore, return early.
 361                 # mDestWarningAck is set when some javascript has shown the warning
 362                 # to the user. mForReUpload is set when the user clicks the "upload a
 363                 # new version" link.
 364                 if ( !$warnings || ( count( $warnings ) == 1
 365                         && isset( $warnings['exists'] )
 366                         && ( $this->mDestWarningAck || $this->mForReUpload ) )
 367                 ) {
 368                         return false;
 369                 }
 370
 371                 $sessionKey = $this->mUpload->stashFile()->getFileKey();
 372
 373                 // Add styles for the warning, reused from the live preview
 374                 $this->getOutput()->addModuleStyles( 'mediawiki.special.upload.styles' );
 375
 376                 $linkRenderer = $this->getLinkRenderer();
 377                 $warningHtml = '<h2>' . $this->msg( 'uploadwarning' )->escaped() . "</h2>\n"
 378                         . '<div class="mw-destfile-warning"><ul>';
 379                 foreach ( $warnings as $warning => $args ) {
 380                         if ( $warning == 'badfilename' ) {
 381                                 $this->mDesiredDestName = Title::makeTitle( NS_FILE, $args )->getText();
 382                         }
 383                         if ( $warning == 'exists' ) {
 384                                 $msg = "\t<li>" . self::getExistsWarning( $args ) . "</li>\n";
 385                         } elseif ( $warning == 'was-deleted' ) {
 386                                 # If the file existed before and was deleted, warn the user of this
 387                                 $ltitle = SpecialPage::getTitleFor( 'Log' );
 388                                 $llink = $linkRenderer->makeKnownLink(
 389                                         $ltitle,
 390                                         wfMessage( 'deletionlog' )->text(),
 391                                         [],
 392                                         [
 393                                                 'type' => 'delete',
 394                                                 'page' => Title::makeTitle( NS_FILE, $args )->getPrefixedText(),
 395                                         ]
 396                                 );
 397                                 $msg = "\t<li>" . wfMessage( 'filewasdeleted' )->rawParams( $llink )->parse() . "</li>\n";
 398                         } elseif ( $warning == 'duplicate' ) {
 399                                 $msg = $this->getDupeWarning( $args );
 400                         } elseif ( $warning == 'duplicate-archive' ) {
 401                                 if ( $args === '' ) {
 402                                         $msg = "\t<li>" . $this->msg( 'file-deleted-duplicate-notitle' )->parse()
 403                                                 . "</li>\n";
 404                                 } else {
 405                                         $msg = "\t<li>" . $this->msg( 'file-deleted-duplicate',
 406                                                         Title::makeTitle( NS_FILE, $args )->getPrefixedText() )->parse()
 407                                                 . "</li>\n";
 408                                 }
 409                         } else {
 410                                 if ( $args === true ) {
 411                                         $args = [];
 412                                 } elseif ( !is_array( $args ) ) {
 413                                         $args = [ $args ];
 414                                 }
 415                                 $msg = "\t<li>" . $this->msg( $warning, $args )->parse() . "</li>\n";
 416                         }
 417                         $warningHtml .= $msg;
 418                 }
 419                 $warningHtml .= "</ul></div>\n";
 420                 $warningHtml .= $this->msg( 'uploadwarning-text' )->parseAsBlock();
 421
 422                 $form = $this->getUploadForm( $warningHtml, $sessionKey, /* $hideIgnoreWarning */ true );
 423                 $form->setSubmitText( $this->msg( 'upload-tryagain' )->text() );
 424                 $form->addButton( [
 425                         'name' => 'wpUploadIgnoreWarning',
 426                         'value' => $this->msg( 'ignorewarning' )->text()
 427                 ] );
 428                 $form->addButton( [
 429                         'name' => 'wpCancelUpload',
 430                         'value' => $this->msg( 'reuploaddesc' )->text()
 431                 ] );
 432
 433                 $this->showUploadForm( $form );
 434
 435                 # Indicate that we showed a form
 436                 return true;
 437         }
 438
 439         /**
 440          * Show the upload form with error message, but do not stash the file.
 441          *
 442          * @param string $message HTML string
 443          */
 444         protected function showUploadError( $message ) {
 445                 $message = '<h2>' . $this->msg( 'uploadwarning' )->escaped() . "</h2>\n" .
 446                         '<div class="error">' . $message . "</div>\n";
 447                 $this->showUploadForm( $this->getUploadForm( $message ) );
 448         }
 449
 450         /**
 451          * Do the upload.
 452          * Checks are made in SpecialUpload::execute()
 453          */
 454         protected function processUpload() {
 455                 // Fetch the file if required
 456                 $status = $this->mUpload->fetchFile();
 457                 if ( !$status->isOK() ) {
 458                         $this->showUploadError( $this->getOutput()->parse( $status->getWikiText() ) );
 459
 460                         return;
 461                 }
 462
 463                 if ( !Hooks::run( 'UploadForm:BeforeProcessing', [ &$this ] ) ) {
 464                         wfDebug( "Hook 'UploadForm:BeforeProcessing' broke processing the file.\n" );
 465                         // This code path is deprecated. If you want to break upload processing
 466                         // do so by hooking into the appropriate hooks in UploadBase::verifyUpload
 467                         // and UploadBase::verifyFile.
 468                         // If you use this hook to break uploading, the user will be returned
 469                         // an empty form with no error message whatsoever.
 470                         return;
 471                 }
 472
 473                 // Upload verification
 474                 $details = $this->mUpload->verifyUpload();
 475                 if ( $details['status'] != UploadBase::OK ) {
 476                         $this->processVerificationError( $details );
 477
 478                         return;
 479                 }
 480
 481                 // Verify permissions for this title
 482                 $permErrors = $this->mUpload->verifyTitlePermissions( $this->getUser() );
 483                 if ( $permErrors !== true ) {
 484                         $code = array_shift( $permErrors[0] );
 485                         $this->showRecoverableUploadError( $this->msg( $code, $permErrors[0] )->parse() );
 486
 487                         return;
 488                 }
 489
 490                 $this->mLocalFile = $this->mUpload->getLocalFile();
 491
 492                 // Check warnings if necessary
 493                 if ( !$this->mIgnoreWarning ) {
 494                         $warnings = $this->mUpload->checkWarnings();
 495                         if ( $this->showUploadWarning( $warnings ) ) {
 496                                 return;
 497                         }
 498                 }
 499
 500                 // This is as late as we can throttle, after expected issues have been handled
 501                 if ( UploadBase::isThrottled( $this->getUser() ) ) {
 502                         $this->showRecoverableUploadError(
 503                                 $this->msg( 'actionthrottledtext' )->escaped()
 504                         );
 505                         return;
 506                 }
 507
 508                 // Get the page text if this is not a reupload
 509                 if ( !$this->mForReUpload ) {
 510                         $pageText = self::getInitialPageText( $this->mComment, $this->mLicense,
 511                                 $this->mCopyrightStatus, $this->mCopyrightSource, $this->getConfig() );
 512                 } else {
 513                         $pageText = false;
 514                 }
 515
 516                 $changeTags = $this->getRequest()->getVal( 'wpChangeTags' );
 517                 if ( is_null( $changeTags ) || $changeTags === '' ) {
 518                         $changeTags = [];
 519                 } else {
 520                         $changeTags = array_filter( array_map( 'trim', explode( ',', $changeTags ) ) );
 521                 }
 522
 523                 if ( $changeTags ) {
 524                         $changeTagsStatus = ChangeTags::canAddTagsAccompanyingChange(
 525                                 $changeTags, $this->getUser() );
 526                         if ( !$changeTagsStatus->isOK() ) {
 527                                 $this->showUploadError( $this->getOutput()->parse( $changeTagsStatus->getWikiText() ) );
 528
 529                                 return;
 530                         }
 531                 }
 532
 533                 $status = $this->mUpload->performUpload(
 534                         $this->mComment,
 535                         $pageText,
 536                         $this->mWatchthis,
 537                         $this->getUser(),
 538                         $changeTags
 539                 );
 540
 541                 if ( !$status->isGood() ) {
 542                         $this->showRecoverableUploadError( $this->getOutput()->parse( $status->getWikiText() ) );
 543
 544                         return;
 545                 }
 546
 547                 // Success, redirect to description page
 548                 $this->mUploadSuccessful = true;
 549                 Hooks::run( 'SpecialUploadComplete', [ &$this ] );
 550                 $this->getOutput()->redirect( $this->mLocalFile->getTitle()->getFullURL() );
 551         }
 552
 553         /**
 554          * Get the initial image page text based on a comment and optional file status information
 555          * @param string $comment
 556          * @param string $license
 557          * @param string $copyStatus
 558          * @param string $source
 559          * @param Config $config Configuration object to load data from
 560          * @return string
 561          */
 562         public static function getInitialPageText( $comment = '', $license = '',
 563                 $copyStatus = '', $source = '', Config $config = null
 564         ) {
 565                 if ( $config === null ) {
 566                         wfDebug( __METHOD__ . ' called without a Config instance passed to it' );
 567                         $config = ConfigFactory::getDefaultInstance()->makeConfig( 'main' );
 568                 }
 569
 570                 $msg = [];
 571                 $forceUIMsgAsContentMsg = (array)$config->get( 'ForceUIMsgAsContentMsg' );
 572                 /* These messages are transcluded into the actual text of the description page.
 573                  * Thus, forcing them as content messages makes the upload to produce an int: template
 574                  * instead of hardcoding it there in the uploader language.
 575                  */
 576                 foreach ( [ 'license-header', 'filedesc', 'filestatus', 'filesource' ] as $msgName ) {
 577                         if ( in_array( $msgName, $forceUIMsgAsContentMsg ) ) {
 578                                 $msg[$msgName] = "{{int:$msgName}}";
 579                         } else {
 580                                 $msg[$msgName] = wfMessage( $msgName )->inContentLanguage()->text();
 581                         }
 582                 }
 583
 584                 if ( $config->get( 'UseCopyrightUpload' ) ) {
 585                         $licensetxt = '';
 586                         if ( $license != '' ) {
 587                                 $licensetxt = '== ' . $msg['license-header'] . " ==\n" . '{{' . $license . '}}' . "\n";
 588                         }
 589                         $pageText = '== ' . $msg['filedesc'] . " ==\n" . $comment . "\n" .
 590                                 '== ' . $msg['filestatus'] . " ==\n" . $copyStatus . "\n" .
 591                                 "$licensetxt" .
 592                                 '== ' . $msg['filesource'] . " ==\n" . $source;
 593                 } else {
 594                         if ( $license != '' ) {
 595                                 $filedesc = $comment == '' ? '' : '== ' . $msg['filedesc'] . " ==\n" . $comment . "\n";
 596                                         $pageText = $filedesc .
 597                                         '== ' . $msg['license-header'] . " ==\n" . '{{' . $license . '}}' . "\n";
 598                         } else {
 599                                 $pageText = $comment;
 600                         }
 601                 }
 602
 603                 return $pageText;
 604         }
 605
 606         /**
 607          * See if we should check the 'watch this page' checkbox on the form
 608          * based on the user's preferences and whether we're being asked
 609          * to create a new file or update an existing one.
 610          *
 611          * In the case where 'watch edits' is off but 'watch creations' is on,
 612          * we'll leave the box unchecked.
 613          *
 614          * Note that the page target can be changed *on the form*, so our check
 615          * state can get out of sync.
 616          * @return bool|string
 617          */
 618         protected function getWatchCheck() {
 619                 if ( $this->getUser()->getOption( 'watchdefault' ) ) {
 620                         // Watch all edits!
 621                         return true;
 622                 }
 623
 624                 $desiredTitleObj = Title::makeTitleSafe( NS_FILE, $this->mDesiredDestName );
 625                 if ( $desiredTitleObj instanceof Title && $this->getUser()->isWatched( $desiredTitleObj ) ) {
 626                         // Already watched, don't change that
 627                         return true;
 628                 }
 629
 630                 $local = wfLocalFile( $this->mDesiredDestName );
 631                 if ( $local && $local->exists() ) {
 632                         // We're uploading a new version of an existing file.
 633                         // No creation, so don't watch it if we're not already.
 634                         return false;
 635                 } else {
 636                         // New page should get watched if that's our option.
 637                         return $this->getUser()->getOption( 'watchcreations' ) ||
 638                                 $this->getUser()->getOption( 'watchuploads' );
 639                 }
 640         }
 641
 642         /**
 643          * Provides output to the user for a result of UploadBase::verifyUpload
 644          *
 645          * @param array $details Result of UploadBase::verifyUpload
 646          * @throws MWException
 647          */
 648         protected function processVerificationError( $details ) {
 649                 switch ( $details['status'] ) {
 650
 651                         /** Statuses that only require name changing **/
 652                         case UploadBase::MIN_LENGTH_PARTNAME:
 653                                 $this->showRecoverableUploadError( $this->msg( 'minlength1' )->escaped() );
 654                                 break;
 655                         case UploadBase::ILLEGAL_FILENAME:
 656                                 $this->showRecoverableUploadError( $this->msg( 'illegalfilename',
 657                                         $details['filtered'] )->parse() );
 658                                 break;
 659                         case UploadBase::FILENAME_TOO_LONG:
 660                                 $this->showRecoverableUploadError( $this->msg( 'filename-toolong' )->escaped() );
 661                                 break;
 662                         case UploadBase::FILETYPE_MISSING:
 663                                 $this->showRecoverableUploadError( $this->msg( 'filetype-missing' )->parse() );
 664                                 break;
 665                         case UploadBase::WINDOWS_NONASCII_FILENAME:
 666                                 $this->showRecoverableUploadError( $this->msg( 'windows-nonascii-filename' )->parse() );
 667                                 break;
 668
 669                         /** Statuses that require reuploading **/
 670                         case UploadBase::EMPTY_FILE:
 671                                 $this->showUploadError( $this->msg( 'emptyfile' )->escaped() );
 672                                 break;
 673                         case UploadBase::FILE_TOO_LARGE:
 674                                 $this->showUploadError( $this->msg( 'largefileserver' )->escaped() );
 675                                 break;
 676                         case UploadBase::FILETYPE_BADTYPE:
 677                                 $msg = $this->msg( 'filetype-banned-type' );
 678                                 if ( isset( $details['blacklistedExt'] ) ) {
 679                                         $msg->params( $this->getLanguage()->commaList( $details['blacklistedExt'] ) );
 680                                 } else {
 681                                         $msg->params( $details['finalExt'] );
 682                                 }
 683                                 $extensions = array_unique( $this->getConfig()->get( 'FileExtensions' ) );
 684                                 $msg->params( $this->getLanguage()->commaList( $extensions ),
 685                                         count( $extensions ) );
 686
 687                                 // Add PLURAL support for the first parameter. This results
 688                                 // in a bit unlogical parameter sequence, but does not break
 689                                 // old translations
 690                                 if ( isset( $details['blacklistedExt'] ) ) {
 691                                         $msg->params( count( $details['blacklistedExt'] ) );
 692                                 } else {
 693                                         $msg->params( 1 );
 694                                 }
 695
 696                                 $this->showUploadError( $msg->parse() );
 697                                 break;
 698                         case UploadBase::VERIFICATION_ERROR:
 699                                 unset( $details['status'] );
 700                                 $code = array_shift( $details['details'] );
 701                                 $this->showUploadError( $this->msg( $code, $details['details'] )->parse() );
 702                                 break;
 703                         case UploadBase::HOOK_ABORTED:
 704                                 if ( is_array( $details['error'] ) ) { # allow hooks to return error details in an array
 705                                         $args = $details['error'];
 706                                         $error = array_shift( $args );
 707                                 } else {
 708                                         $error = $details['error'];
 709                                         $args = null;
 710                                 }
 711
 712                                 $this->showUploadError( $this->msg( $error, $args )->parse() );
 713                                 break;
 714                         default:
 715                                 throw new MWException( __METHOD__ . ": Unknown value `{$details['status']}`" );
 716                 }
 717         }
 718
 719         /**
 720          * Remove a temporarily kept file stashed by saveTempUploadedFile().
 721          *
 722          * @return bool Success
 723          */
 724         protected function unsaveUploadedFile() {
 725                 if ( !( $this->mUpload instanceof UploadFromStash ) ) {
 726                         return true;
 727                 }
 728                 $success = $this->mUpload->unsaveUploadedFile();
 729                 if ( !$success ) {
 730                         $this->getOutput()->showFileDeleteError( $this->mUpload->getTempPath() );
 731
 732                         return false;
 733                 } else {
 734                         return true;
 735                 }
 736         }
 737
 738         /*** Functions for formatting warnings ***/
 739
 740         /**
 741          * Formats a result of UploadBase::getExistsWarning as HTML
 742          * This check is static and can be done pre-upload via AJAX
 743          *
 744          * @param array $exists The result of UploadBase::getExistsWarning
 745          * @return string Empty string if there is no warning or an HTML fragment
 746          */
 747         public static function getExistsWarning( $exists ) {
 748                 if ( !$exists ) {
 749                         return '';
 750                 }
 751
 752                 $file = $exists['file'];
 753                 $filename = $file->getTitle()->getPrefixedText();
 754                 $warning = '';
 755
 756                 if ( $exists['warning'] == 'exists' ) {
 757                         // Exact match
 758                         $warning = wfMessage( 'fileexists', $filename )->parse();
 759                 } elseif ( $exists['warning'] == 'page-exists' ) {
 760                         // Page exists but file does not
 761                         $warning = wfMessage( 'filepageexists', $filename )->parse();
 762                 } elseif ( $exists['warning'] == 'exists-normalized' ) {
 763                         $warning = wfMessage( 'fileexists-extension', $filename,
 764                                 $exists['normalizedFile']->getTitle()->getPrefixedText() )->parse();
 765                 } elseif ( $exists['warning'] == 'thumb' ) {
 766                         // Swapped argument order compared with other messages for backwards compatibility
 767                         $warning = wfMessage( 'fileexists-thumbnail-yes',
 768                                 $exists['thumbFile']->getTitle()->getPrefixedText(), $filename )->parse();
 769                 } elseif ( $exists['warning'] == 'thumb-name' ) {
 770                         // Image w/o '180px-' does not exists, but we do not like these filenames
 771                         $name = $file->getName();
 772                         $badPart = substr( $name, 0, strpos( $name, '-' ) + 1 );
 773                         $warning = wfMessage( 'file-thumbnail-no', $badPart )->parse();
 774                 } elseif ( $exists['warning'] == 'bad-prefix' ) {
 775                         $warning = wfMessage( 'filename-bad-prefix', $exists['prefix'] )->parse();
 776                 }
 777
 778                 return $warning;
 779         }
 780
 781         /**
 782          * Construct a warning and a gallery from an array of duplicate files.
 783          * @param array $dupes
 784          * @return string
 785          */
 786         public function getDupeWarning( $dupes ) {
 787                 if ( !$dupes ) {
 788                         return '';
 789                 }
 790
 791                 $gallery = ImageGalleryBase::factory( false, $this->getContext() );
 792                 $gallery->setShowBytes( false );
 793                 foreach ( $dupes as $file ) {
 794                         $gallery->add( $file->getTitle() );
 795                 }
 796
 797                 return '<li>' .
 798                         $this->msg( 'file-exists-duplicate' )->numParams( count( $dupes ) )->parse() .
 799                         $gallery->toHTML() . "</li>\n";
 800         }
 801
 802         protected function getGroupName() {
 803                 return 'media';
 804         }
 805
 806         /**
 807          * Should we rotate images in the preview on Special:Upload.
 808          *
 809          * This controls js: mw.config.get( 'wgFileCanRotate' )
 810          *
 811          * @todo What about non-BitmapHandler handled files?
 812          */
 813         public static function rotationEnabled() {
 814                 $bitmapHandler = new BitmapHandler();
 815                 return $bitmapHandler->autoRotateEnabled();
 816         }
 817 }
 818
 819 /**
 820  * Sub class of HTMLForm that provides the form section of SpecialUpload
 821  */
 822 class UploadForm extends HTMLForm {
 823         protected $mWatch;
 824         protected $mForReUpload;
 825         protected $mSessionKey;
 826         protected $mHideIgnoreWarning;
 827         protected $mDestWarningAck;
 828         protected $mDestFile;
 829
 830         protected $mComment;
 831         protected $mTextTop;
 832         protected $mTextAfterSummary;
 833
 834         protected $mSourceIds;
 835
 836         protected $mMaxFileSize = [];
 837
 838         protected $mMaxUploadSize = [];
 839
 840         public function __construct( array $options = [], IContextSource $context = null,
 841                 LinkRenderer $linkRenderer = null
 842         ) {
 843                 if ( $context instanceof IContextSource ) {
 844                         $this->setContext( $context );
 845                 }
 846
 847                 if ( !$linkRenderer ) {
 848                         $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
 849                 }
 850
 851                 $this->mWatch = !empty( $options['watch'] );
 852                 $this->mForReUpload = !empty( $options['forreupload'] );
 853                 $this->mSessionKey = isset( $options['sessionkey'] ) ? $options['sessionkey'] : '';
 854                 $this->mHideIgnoreWarning = !empty( $options['hideignorewarning'] );
 855                 $this->mDestWarningAck = !empty( $options['destwarningack'] );
 856                 $this->mDestFile = isset( $options['destfile'] ) ? $options['destfile'] : '';
 857
 858                 $this->mComment = isset( $options['description'] ) ?
 859                         $options['description'] : '';
 860
 861                 $this->mTextTop = isset( $options['texttop'] )
 862                         ? $options['texttop'] : '';
 863
 864                 $this->mTextAfterSummary = isset( $options['textaftersummary'] )
 865                         ? $options['textaftersummary'] : '';
 866
 867                 $sourceDescriptor = $this->getSourceSection();
 868                 $descriptor = $sourceDescriptor
 869                         + $this->getDescriptionSection()
 870                         + $this->getOptionsSection();
 871
 872                 Hooks::run( 'UploadFormInitDescriptor', [ &$descriptor ] );
 873                 parent::__construct( $descriptor, $context, 'upload' );
 874
 875                 # Add a link to edit MediaWiki:Licenses
 876                 if ( $this->getUser()->isAllowed( 'editinterface' ) ) {
 877                         $this->getOutput()->addModuleStyles( 'mediawiki.special.upload.styles' );
 878                         $licensesLink = $linkRenderer->makeKnownLink(
 879                                 $this->msg( 'licenses' )->inContentLanguage()->getTitle(),
 880                                 $this->msg( 'licenses-edit' )->text(),
 881                                 [],
 882                                 [ 'action' => 'edit' ]
 883                         );
 884                         $editLicenses = '<p class="mw-upload-editlicenses">' . $licensesLink . '</p>';
 885                         $this->addFooterText( $editLicenses, 'description' );
 886                 }
 887
 888                 # Set some form properties
 889                 $this->setSubmitText( $this->msg( 'uploadbtn' )->text() );
 890                 $this->setSubmitName( 'wpUpload' );
 891                 # Used message keys: 'accesskey-upload', 'tooltip-upload'
 892                 $this->setSubmitTooltip( 'upload' );
 893                 $this->setId( 'mw-upload-form' );
 894
 895                 # Build a list of IDs for javascript insertion
 896                 $this->mSourceIds = [];
 897                 foreach ( $sourceDescriptor as $field ) {
 898                         if ( !empty( $field['id'] ) ) {
 899                                 $this->mSourceIds[] = $field['id'];
 900                         }
 901                 }
 902         }
 903
 904         /**
 905          * Get the descriptor of the fieldset that contains the file source
 906          * selection. The section is 'source'
 907          *
 908          * @return array Descriptor array
 909          */
 910         protected function getSourceSection() {
 911                 if ( $this->mSessionKey ) {
 912                         return [
 913                                 'SessionKey' => [
 914                                         'type' => 'hidden',
 915                                         'default' => $this->mSessionKey,
 916                                 ],
 917                                 'SourceType' => [
 918                                         'type' => 'hidden',
 919                                         'default' => 'Stash',
 920                                 ],
 921                         ];
 922                 }
 923
 924                 $canUploadByUrl = UploadFromUrl::isEnabled()
 925                         && ( UploadFromUrl::isAllowed( $this->getUser() ) === true )
 926                         && $this->getConfig()->get( 'CopyUploadsFromSpecialUpload' );
 927                 $radio = $canUploadByUrl;
 928                 $selectedSourceType = strtolower( $this->getRequest()->getText( 'wpSourceType', 'File' ) );
 929
 930                 $descriptor = [];
 931                 if ( $this->mTextTop ) {
 932                         $descriptor['UploadFormTextTop'] = [
 933                                 'type' => 'info',
 934                                 'section' => 'source',
 935                                 'default' => $this->mTextTop,
 936                                 'raw' => true,
 937                         ];
 938                 }
 939
 940                 $this->mMaxUploadSize['file'] = min(
 941                         UploadBase::getMaxUploadSize( 'file' ),
 942                         UploadBase::getMaxPhpUploadSize()
 943                 );
 944
 945                 $help = $this->msg( 'upload-maxfilesize',
 946                                 $this->getContext()->getLanguage()->formatSize( $this->mMaxUploadSize['file'] )
 947                         )->parse();
 948
 949                 // If the user can also upload by URL, there are 2 different file size limits.
 950                 // This extra message helps stress which limit corresponds to what.
 951                 if ( $canUploadByUrl ) {
 952                         $help .= $this->msg( 'word-separator' )->escaped();
 953                         $help .= $this->msg( 'upload_source_file' )->parse();
 954                 }
 955
 956                 $descriptor['UploadFile'] = [
 957                         'class' => 'UploadSourceField',
 958                         'section' => 'source',
 959                         'type' => 'file',
 960                         'id' => 'wpUploadFile',
 961                         'radio-id' => 'wpSourceTypeFile',
 962                         'label-message' => 'sourcefilename',
 963                         'upload-type' => 'File',
 964                         'radio' => &$radio,
 965                         'help' => $help,
 966                         'checked' => $selectedSourceType == 'file',
 967                 ];
 968
 969                 if ( $canUploadByUrl ) {
 970                         $this->mMaxUploadSize['url'] = UploadBase::getMaxUploadSize( 'url' );
 971                         $descriptor['UploadFileURL'] = [
 972                                 'class' => 'UploadSourceField',
 973                                 'section' => 'source',
 974                                 'id' => 'wpUploadFileURL',
 975                                 'radio-id' => 'wpSourceTypeurl',
 976                                 'label-message' => 'sourceurl',
 977                                 'upload-type' => 'url',
 978                                 'radio' => &$radio,
 979                                 'help' => $this->msg( 'upload-maxfilesize',
 980                                         $this->getContext()->getLanguage()->formatSize( $this->mMaxUploadSize['url'] )
 981                                 )->parse() .
 982                                         $this->msg( 'word-separator' )->escaped() .
 983                                         $this->msg( 'upload_source_url' )->parse(),
 984                                 'checked' => $selectedSourceType == 'url',
 985                         ];
 986                 }
 987                 Hooks::run( 'UploadFormSourceDescriptors', [ &$descriptor, &$radio, $selectedSourceType ] );
 988
 989                 $descriptor['Extensions'] = [
 990                         'type' => 'info',
 991                         'section' => 'source',
 992                         'default' => $this->getExtensionsMessage(),
 993                         'raw' => true,
 994                 ];
 995
 996                 return $descriptor;
 997         }
 998
 999         /**
1000          * Get the messages indicating which extensions are preferred and prohibitted.
1001          *
1002          * @return string HTML string containing the message
1003          */
1004         protected function getExtensionsMessage() {
1005                 # Print a list of allowed file extensions, if so configured.  We ignore
1006                 # MIME type here, it's incomprehensible to most people and too long.
1007                 $config = $this->getConfig();
1008
1009                 if ( $config->get( 'CheckFileExtensions' ) ) {
1010                         $fileExtensions = array_unique( $config->get( 'FileExtensions' ) );
1011                         if ( $config->get( 'StrictFileExtensions' ) ) {
1012                                 # Everything not permitted is banned
1013                                 $extensionsList =
1014                                         '<div id="mw-upload-permitted">' .
1015                                         $this->msg( 'upload-permitted' )
1016                                                 ->params( $this->getLanguage()->commaList( $fileExtensions ) )
1017                                                 ->numParams( count( $fileExtensions ) )
1018                                                 ->parseAsBlock() .
1019                                         "</div>\n";
1020                         } else {
1021                                 # We have to list both preferred and prohibited
1022                                 $fileBlacklist = array_unique( $config->get( 'FileBlacklist' ) );
1023                                 $extensionsList =
1024                                         '<div id="mw-upload-preferred">' .
1025                                                 $this->msg( 'upload-preferred' )
1026                                                         ->params( $this->getLanguage()->commaList( $fileExtensions ) )
1027                                                         ->numParams( count( $fileExtensions ) )
1028                                                         ->parseAsBlock() .
1029                                         "</div>\n" .
1030                                         '<div id="mw-upload-prohibited">' .
1031                                                 $this->msg( 'upload-prohibited' )
1032                                                         ->params( $this->getLanguage()->commaList( $fileBlacklist ) )
1033                                                         ->numParams( count( $fileBlacklist ) )
1034                                                         ->parseAsBlock() .
1035                                         "</div>\n";
1036                         }
1037                 } else {
1038                         # Everything is permitted.
1039                         $extensionsList = '';
1040                 }
1041
1042                 return $extensionsList;
1043         }
1044
1045         /**
1046          * Get the descriptor of the fieldset that contains the file description
1047          * input. The section is 'description'
1048          *
1049          * @return array Descriptor array
1050          */
1051         protected function getDescriptionSection() {
1052                 $config = $this->getConfig();
1053                 if ( $this->mSessionKey ) {
1054                         $stash = RepoGroup::singleton()->getLocalRepo()->getUploadStash( $this->getUser() );
1055                         try {
1056                                 $file = $stash->getFile( $this->mSessionKey );
1057                         } catch ( Exception $e ) {
1058                                 $file = null;
1059                         }
1060                         if ( $file ) {
1061                                 global $wgContLang;
1062
1063                                 $mto = $file->transform( [ 'width' => 120 ] );
1064                                 $this->addHeaderText(
1065                                         '<div class="thumb t' . $wgContLang->alignEnd() . '">' .
1066                                         Html::element( 'img', [
1067                                                 'src' => $mto->getUrl(),
1068                                                 'class' => 'thumbimage',
1069                                         ] ) . '</div>', 'description' );
1070                         }
1071                 }
1072
1073                 $descriptor = [
1074                         'DestFile' => [
1075                                 'type' => 'text',
1076                                 'section' => 'description',
1077                                 'id' => 'wpDestFile',
1078                                 'label-message' => 'destfilename',
1079                                 'size' => 60,
1080                                 'default' => $this->mDestFile,
1081                                 # @todo FIXME: Hack to work around poor handling of the 'default' option in HTMLForm
1082                                 'nodata' => strval( $this->mDestFile ) !== '',
1083                         ],
1084                         'UploadDescription' => [
1085                                 'type' => 'textarea',
1086                                 'section' => 'description',
1087                                 'id' => 'wpUploadDescription',
1088                                 'label-message' => $this->mForReUpload
1089                                         ? 'filereuploadsummary'
1090                                         : 'fileuploadsummary',
1091                                 'default' => $this->mComment,
1092                                 'cols' => $this->getUser()->getIntOption( 'cols' ),
1093                                 'rows' => 8,
1094                         ]
1095                 ];
1096                 if ( $this->mTextAfterSummary ) {
1097                         $descriptor['UploadFormTextAfterSummary'] = [
1098                                 'type' => 'info',
1099                                 'section' => 'description',
1100                                 'default' => $this->mTextAfterSummary,
1101                                 'raw' => true,
1102                         ];
1103                 }
1104
1105                 $descriptor += [
1106                         'EditTools' => [
1107                                 'type' => 'edittools',
1108                                 'section' => 'description',
1109                                 'message' => 'edittools-upload',
1110                         ]
1111                 ];
1112
1113                 if ( $this->mForReUpload ) {
1114                         $descriptor['DestFile']['readonly'] = true;
1115                 } else {
1116                         $descriptor['License'] = [
1117                                 'type' => 'select',
1118                                 'class' => 'Licenses',
1119                                 'section' => 'description',
1120                                 'id' => 'wpLicense',
1121                                 'label-message' => 'license',
1122                         ];
1123                 }
1124
1125                 if ( $config->get( 'UseCopyrightUpload' ) ) {
1126                         $descriptor['UploadCopyStatus'] = [
1127                                 'type' => 'text',
1128                                 'section' => 'description',
1129                                 'id' => 'wpUploadCopyStatus',
1130                                 'label-message' => 'filestatus',
1131                         ];
1132                         $descriptor['UploadSource'] = [
1133                                 'type' => 'text',
1134                                 'section' => 'description',
1135                                 'id' => 'wpUploadSource',
1136                                 'label-message' => 'filesource',
1137                         ];
1138                 }
1139
1140                 return $descriptor;
1141         }
1142
1143         /**
1144          * Get the descriptor of the fieldset that contains the upload options,
1145          * such as "watch this file". The section is 'options'
1146          *
1147          * @return array Descriptor array
1148          */
1149         protected function getOptionsSection() {
1150                 $user = $this->getUser();
1151                 if ( $user->isLoggedIn() ) {
1152                         $descriptor = [
1153                                 'Watchthis' => [
1154                                         'type' => 'check',
1155                                         'id' => 'wpWatchthis',
1156                                         'label-message' => 'watchthisupload',
1157                                         'section' => 'options',
1158                                         'default' => $this->mWatch,
1159                                 ]
1160                         ];
1161                 }
1162                 if ( !$this->mHideIgnoreWarning ) {
1163                         $descriptor['IgnoreWarning'] = [
1164                                 'type' => 'check',
1165                                 'id' => 'wpIgnoreWarning',
1166                                 'label-message' => 'ignorewarnings',
1167                                 'section' => 'options',
1168                         ];
1169                 }
1170
1171                 $descriptor['DestFileWarningAck'] = [
1172                         'type' => 'hidden',
1173                         'id' => 'wpDestFileWarningAck',
1174                         'default' => $this->mDestWarningAck ? '1' : '',
1175                 ];
1176
1177                 if ( $this->mForReUpload ) {
1178                         $descriptor['ForReUpload'] = [
1179                                 'type' => 'hidden',
1180                                 'id' => 'wpForReUpload',
1181                                 'default' => '1',
1182                         ];
1183                 }
1184
1185                 return $descriptor;
1186         }
1187
1188         /**
1189          * Add the upload JS and show the form.
1190          */
1191         public function show() {
1192                 $this->addUploadJS();
1193                 parent::show();
1194         }
1195
1196         /**
1197          * Add upload JS to the OutputPage
1198          */
1199         protected function addUploadJS() {
1200                 $config = $this->getConfig();
1201
1202                 $useAjaxDestCheck = $config->get( 'UseAjax' ) && $config->get( 'AjaxUploadDestCheck' );
1203                 $useAjaxLicensePreview = $config->get( 'UseAjax' ) &&
1204                         $config->get( 'AjaxLicensePreview' ) && $config->get( 'EnableAPI' );
1205                 $this->mMaxUploadSize['*'] = UploadBase::getMaxUploadSize();
1206
1207                 $scriptVars = [
1208                         'wgAjaxUploadDestCheck' => $useAjaxDestCheck,
1209                         'wgAjaxLicensePreview' => $useAjaxLicensePreview,
1210                         'wgUploadAutoFill' => !$this->mForReUpload &&
1211                                 // If we received mDestFile from the request, don't autofill
1212                                 // the wpDestFile textbox
1213                                 $this->mDestFile === '',
1214                         'wgUploadSourceIds' => $this->mSourceIds,
1215                         'wgCheckFileExtensions' => $config->get( 'CheckFileExtensions' ),
1216                         'wgStrictFileExtensions' => $config->get( 'StrictFileExtensions' ),
1217                         'wgFileExtensions' => array_values( array_unique( $config->get( 'FileExtensions' ) ) ),
1218                         'wgCapitalizeUploads' => MWNamespace::isCapitalized( NS_FILE ),
1219                         'wgMaxUploadSize' => $this->mMaxUploadSize,
1220                         'wgFileCanRotate' => SpecialUpload::rotationEnabled(),
1221                 ];
1222
1223                 $out = $this->getOutput();
1224                 $out->addJsConfigVars( $scriptVars );
1225
1226                 $out->addModules( [
1227                         'mediawiki.action.edit', // For <charinsert> support
1228                         'mediawiki.special.upload', // Extras for thumbnail and license preview.
1229                 ] );
1230         }
1231
1232         /**
1233          * Empty function; submission is handled elsewhere.
1234          *
1235          * @return bool False
1236          */
1237         function trySubmit() {
1238                 return false;
1239         }
1240 }
1241
1242 /**
1243  * A form field that contains a radio box in the label
1244  */
1245 class UploadSourceField extends HTMLTextField {
1246
1247         /**
1248          * @param array $cellAttributes
1249          * @return string
1250          */
1251         function getLabelHtml( $cellAttributes = [] ) {
1252                 $id = $this->mParams['id'];
1253                 $label = Html::rawElement( 'label', [ 'for' => $id ], $this->mLabel );
1254
1255                 if ( !empty( $this->mParams['radio'] ) ) {
1256                         if ( isset( $this->mParams['radio-id'] ) ) {
1257                                 $radioId = $this->mParams['radio-id'];
1258                         } else {
1259                                 // Old way. For the benefit of extensions that do not define
1260                                 // the 'radio-id' key.
1261                                 $radioId = 'wpSourceType' . $this->mParams['upload-type'];
1262                         }
1263
1264                         $attribs = [
1265                                 'name' => 'wpSourceType',
1266                                 'type' => 'radio',
1267                                 'id' => $radioId,
1268                                 'value' => $this->mParams['upload-type'],
1269                         ];
1270
1271                         if ( !empty( $this->mParams['checked'] ) ) {
1272                                 $attribs['checked'] = 'checked';
1273                         }
1274
1275                         $label .= Html::element( 'input', $attribs );
1276                 }
1277
1278                 return Html::rawElement( 'td', [ 'class' => 'mw-label' ] + $cellAttributes, $label );
1279         }
1280
1281         /**
1282          * @return int
1283          */
1284         function getSize() {
1285                 return isset( $this->mParams['size'] )
1286                         ? $this->mParams['size']
1287                         : 60;
1288         }
1289 }