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