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                         // Avoid PHP 7.1 warning of passing $this by reference
 213                         $upload = $this;
 214                         if ( !Hooks::run( 'UploadForm:initial', [ &$upload ] ) ) {
 215                                 wfDebug( "Hook 'UploadForm:initial' broke output of the upload form\n" );
 216
 217                                 return;
 218                         }
 219                         $this->showUploadForm( $this->getUploadForm() );
 220                 }
 221
 222                 # Cleanup
 223                 if ( $this->mUpload ) {
 224                         $this->mUpload->cleanupTempFile();
 225                 }
 226         }
 227
 228         /**
 229          * Show the main upload form
 230          *
 231          * @param HTMLForm|string $form An HTMLForm instance or HTML string to show
 232          */
 233         protected function showUploadForm( $form ) {
 234                 # Add links if file was previously deleted
 235                 if ( $this->mDesiredDestName ) {
 236                         $this->showViewDeletedLinks();
 237                 }
 238
 239                 if ( $form instanceof HTMLForm ) {
 240                         $form->show();
 241                 } else {
 242                         $this->getOutput()->addHTML( $form );
 243                 }
 244         }
 245
 246         /**
 247          * Get an UploadForm instance with title and text properly set.
 248          *
 249          * @param string $message HTML string to add to the form
 250          * @param string $sessionKey Session key in case this is a stashed upload
 251          * @param bool $hideIgnoreWarning Whether to hide "ignore warning" check box
 252          * @return UploadForm
 253          */
 254         protected function getUploadForm( $message = '', $sessionKey = '', $hideIgnoreWarning = false ) {
 255                 # Initialize form
 256                 $context = new DerivativeContext( $this->getContext() );
 257                 $context->setTitle( $this->getPageTitle() ); // Remove subpage
 258                 $form = new UploadForm( [
 259                         'watch' => $this->getWatchCheck(),
 260                         'forreupload' => $this->mForReUpload,
 261                         'sessionkey' => $sessionKey,
 262                         'hideignorewarning' => $hideIgnoreWarning,
 263                         'destwarningack' => (bool)$this->mDestWarningAck,
 264
 265                         'description' => $this->mComment,
 266                         'texttop' => $this->uploadFormTextTop,
 267                         'textaftersummary' => $this->uploadFormTextAfterSummary,
 268                         'destfile' => $this->mDesiredDestName,
 269                 ], $context, $this->getLinkRenderer() );
 270
 271                 # Check the token, but only if necessary
 272                 if (
 273                         !$this->mTokenOk && !$this->mCancelUpload &&
 274                         ( $this->mUpload && $this->mUploadClicked )
 275                 ) {
 276                         $form->addPreText( $this->msg( 'session_fail_preview' )->parse() );
 277                 }
 278
 279                 # Give a notice if the user is uploading a file that has been deleted or moved
 280                 # Note that this is independent from the message 'filewasdeleted'
 281                 $desiredTitleObj = Title::makeTitleSafe( NS_FILE, $this->mDesiredDestName );
 282                 $delNotice = ''; // empty by default
 283                 if ( $desiredTitleObj instanceof Title && !$desiredTitleObj->exists() ) {
 284                         $dbr = wfGetDB( DB_REPLICA );
 285
 286                         LogEventsList::showLogExtract( $delNotice, [ 'delete', 'move' ],
 287                                 $desiredTitleObj,
 288                                 '', [ 'lim' => 10,
 289                                         'conds' => [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ],
 290                                         'showIfEmpty' => false,
 291                                         'msgKey' => [ 'upload-recreate-warning' ] ]
 292                         );
 293                 }
 294                 $form->addPreText( $delNotice );
 295
 296                 # Add text to form
 297                 $form->addPreText( '<div id="uploadtext">' .
 298                         $this->msg( 'uploadtext', [ $this->mDesiredDestName ] )->parseAsBlock() .
 299                         '</div>' );
 300                 # Add upload error message
 301                 $form->addPreText( $message );
 302
 303                 # Add footer to form
 304                 $uploadFooter = $this->msg( 'uploadfooter' );
 305                 if ( !$uploadFooter->isDisabled() ) {
 306                         $form->addPostText( '<div id="mw-upload-footer-message">'
 307                                 . $uploadFooter->parseAsBlock() . "</div>\n" );
 308                 }
 309
 310                 return $form;
 311         }
 312
 313         /**
 314          * Shows the "view X deleted revivions link""
 315          */
 316         protected function showViewDeletedLinks() {
 317                 $title = Title::makeTitleSafe( NS_FILE, $this->mDesiredDestName );
 318                 $user = $this->getUser();
 319                 // Show a subtitle link to deleted revisions (to sysops et al only)
 320                 if ( $title instanceof Title ) {
 321                         $count = $title->isDeleted();
 322                         if ( $count > 0 && $user->isAllowed( 'deletedhistory' ) ) {
 323                                 $restorelink = $this->getLinkRenderer()->makeKnownLink(
 324                                         SpecialPage::getTitleFor( 'Undelete', $title->getPrefixedText() ),
 325                                         $this->msg( 'restorelink' )->numParams( $count )->text()
 326                                 );
 327                                 $link = $this->msg( $user->isAllowed( 'delete' ) ? 'thisisdeleted' : 'viewdeleted' )
 328                                         ->rawParams( $restorelink )->parseAsBlock();
 329                                 $this->getOutput()->addHTML( "<div id=\"contentSub2\">{$link}</div>" );
 330                         }
 331                 }
 332         }
 333
 334         /**
 335          * Stashes the upload and shows the main upload form.
 336          *
 337          * Note: only errors that can be handled by changing the name or
 338          * description should be redirected here. It should be assumed that the
 339          * file itself is sane and has passed UploadBase::verifyFile. This
 340          * essentially means that UploadBase::VERIFICATION_ERROR and
 341          * UploadBase::EMPTY_FILE should not be passed here.
 342          *
 343          * @param string $message HTML message to be passed to mainUploadForm
 344          */
 345         protected function showRecoverableUploadError( $message ) {
 346                 $stashStatus = $this->mUpload->tryStashFile( $this->getUser() );
 347                 if ( $stashStatus->isGood() ) {
 348                         $sessionKey = $stashStatus->getValue()->getFileKey();
 349                 } else {
 350                         $sessionKey = null;
 351                         // TODO Add a warning message about the failure to stash here?
 352                 }
 353                 $message = '<h2>' . $this->msg( 'uploaderror' )->escaped() . "</h2>\n" .
 354                         '<div class="error">' . $message . "</div>\n";
 355
 356                 $form = $this->getUploadForm( $message, $sessionKey );
 357                 $form->setSubmitText( $this->msg( 'upload-tryagain' )->escaped() );
 358                 $this->showUploadForm( $form );
 359         }
 360
 361         /**
 362          * Stashes the upload, shows the main form, but adds a "continue anyway button".
 363          * Also checks whether there are actually warnings to display.
 364          *
 365          * @param array $warnings
 366          * @return bool True if warnings were displayed, false if there are no
 367          *   warnings and it should continue processing
 368          */
 369         protected function showUploadWarning( $warnings ) {
 370                 # If there are no warnings, or warnings we can ignore, return early.
 371                 # mDestWarningAck is set when some javascript has shown the warning
 372                 # to the user. mForReUpload is set when the user clicks the "upload a
 373                 # new version" link.
 374                 if ( !$warnings || ( count( $warnings ) == 1
 375                         && isset( $warnings['exists'] )
 376                         && ( $this->mDestWarningAck || $this->mForReUpload ) )
 377                 ) {
 378                         return false;
 379                 }
 380
 381                 $stashStatus = $this->mUpload->tryStashFile( $this->getUser() );
 382                 if ( $stashStatus->isGood() ) {
 383                         $sessionKey = $stashStatus->getValue()->getFileKey();
 384                 } else {
 385                         $sessionKey = null;
 386                         // TODO Add a warning message about the failure to stash here?
 387                 }
 388
 389                 // Add styles for the warning, reused from the live preview
 390                 $this->getOutput()->addModuleStyles( 'mediawiki.special.upload.styles' );
 391
 392                 $linkRenderer = $this->getLinkRenderer();
 393                 $warningHtml = '<h2>' . $this->msg( 'uploadwarning' )->escaped() . "</h2>\n"
 394                         . '<div class="mw-destfile-warning"><ul>';
 395                 foreach ( $warnings as $warning => $args ) {
 396                         if ( $warning == 'badfilename' ) {
 397                                 $this->mDesiredDestName = Title::makeTitle( NS_FILE, $args )->getText();
 398                         }
 399                         if ( $warning == 'exists' ) {
 400                                 $msg = "\t<li>" . self::getExistsWarning( $args ) . "</li>\n";
 401                         } elseif ( $warning == 'no-change' ) {
 402                                 $file = $args;
 403                                 $filename = $file->getTitle()->getPrefixedText();
 404                                 $msg = "\t<li>" . wfMessage( 'fileexists-no-change', $filename )->parse() . "</li>\n";
 405                         } elseif ( $warning == 'duplicate-version' ) {
 406                                 $file = $args[0];
 407                                 $count = count( $args );
 408                                 $filename = $file->getTitle()->getPrefixedText();
 409                                 $message = wfMessage( 'fileexists-duplicate-version' )
 410                                         ->params( $filename )
 411                                         ->numParams( $count );
 412                                 $msg = "\t<li>" . $message->parse() . "</li>\n";
 413                         } elseif ( $warning == 'was-deleted' ) {
 414                                 # If the file existed before and was deleted, warn the user of this
 415                                 $ltitle = SpecialPage::getTitleFor( 'Log' );
 416                                 $llink = $linkRenderer->makeKnownLink(
 417                                         $ltitle,
 418                                         wfMessage( 'deletionlog' )->text(),
 419                                         [],
 420                                         [
 421                                                 'type' => 'delete',
 422                                                 'page' => Title::makeTitle( NS_FILE, $args )->getPrefixedText(),
 423                                         ]
 424                                 );
 425                                 $msg = "\t<li>" . wfMessage( 'filewasdeleted' )->rawParams( $llink )->parse() . "</li>\n";
 426                         } elseif ( $warning == 'duplicate' ) {
 427                                 $msg = $this->getDupeWarning( $args );
 428                         } elseif ( $warning == 'duplicate-archive' ) {
 429                                 if ( $args === '' ) {
 430                                         $msg = "\t<li>" . $this->msg( 'file-deleted-duplicate-notitle' )->parse()
 431                                                 . "</li>\n";
 432                                 } else {
 433                                         $msg = "\t<li>" . $this->msg( 'file-deleted-duplicate',
 434                                                         Title::makeTitle( NS_FILE, $args )->getPrefixedText() )->parse()
 435                                                 . "</li>\n";
 436                                 }
 437                         } else {
 438                                 if ( $args === true ) {
 439                                         $args = [];
 440                                 } elseif ( !is_array( $args ) ) {
 441                                         $args = [ $args ];
 442                                 }
 443                                 $msg = "\t<li>" . $this->msg( $warning, $args )->parse() . "</li>\n";
 444                         }
 445                         $warningHtml .= $msg;
 446                 }
 447                 $warningHtml .= "</ul></div>\n";
 448                 $warningHtml .= $this->msg( 'uploadwarning-text' )->parseAsBlock();
 449
 450                 $form = $this->getUploadForm( $warningHtml, $sessionKey, /* $hideIgnoreWarning */ true );
 451                 $form->setSubmitText( $this->msg( 'upload-tryagain' )->text() );
 452                 $form->addButton( [
 453                         'name' => 'wpUploadIgnoreWarning',
 454                         'value' => $this->msg( 'ignorewarning' )->text()
 455                 ] );
 456                 $form->addButton( [
 457                         'name' => 'wpCancelUpload',
 458                         'value' => $this->msg( 'reuploaddesc' )->text()
 459                 ] );
 460
 461                 $this->showUploadForm( $form );
 462
 463                 # Indicate that we showed a form
 464                 return true;
 465         }
 466
 467         /**
 468          * Show the upload form with error message, but do not stash the file.
 469          *
 470          * @param string $message HTML string
 471          */
 472         protected function showUploadError( $message ) {
 473                 $message = '<h2>' . $this->msg( 'uploadwarning' )->escaped() . "</h2>\n" .
 474                         '<div class="error">' . $message . "</div>\n";
 475                 $this->showUploadForm( $this->getUploadForm( $message ) );
 476         }
 477
 478         /**
 479          * Do the upload.
 480          * Checks are made in SpecialUpload::execute()
 481          */
 482         protected function processUpload() {
 483                 // Fetch the file if required
 484                 $status = $this->mUpload->fetchFile();
 485                 if ( !$status->isOK() ) {
 486                         $this->showUploadError( $this->getOutput()->parse( $status->getWikiText() ) );
 487
 488                         return;
 489                 }
 490                 // Avoid PHP 7.1 warning of passing $this by reference
 491                 $upload = $this;
 492                 if ( !Hooks::run( 'UploadForm:BeforeProcessing', [ &$upload ] ) ) {
 493                         wfDebug( "Hook 'UploadForm:BeforeProcessing' broke processing the file.\n" );
 494                         // This code path is deprecated. If you want to break upload processing
 495                         // do so by hooking into the appropriate hooks in UploadBase::verifyUpload
 496                         // and UploadBase::verifyFile.
 497                         // If you use this hook to break uploading, the user will be returned
 498                         // an empty form with no error message whatsoever.
 499                         return;
 500                 }
 501
 502                 // Upload verification
 503                 $details = $this->mUpload->verifyUpload();
 504                 if ( $details['status'] != UploadBase::OK ) {
 505                         $this->processVerificationError( $details );
 506
 507                         return;
 508                 }
 509
 510                 // Verify permissions for this title
 511                 $permErrors = $this->mUpload->verifyTitlePermissions( $this->getUser() );
 512                 if ( $permErrors !== true ) {
 513                         $code = array_shift( $permErrors[0] );
 514                         $this->showRecoverableUploadError( $this->msg( $code, $permErrors[0] )->parse() );
 515
 516                         return;
 517                 }
 518
 519                 $this->mLocalFile = $this->mUpload->getLocalFile();
 520
 521                 // Check warnings if necessary
 522                 if ( !$this->mIgnoreWarning ) {
 523                         $warnings = $this->mUpload->checkWarnings();
 524                         if ( $this->showUploadWarning( $warnings ) ) {
 525                                 return;
 526                         }
 527                 }
 528
 529                 // This is as late as we can throttle, after expected issues have been handled
 530                 if ( UploadBase::isThrottled( $this->getUser() ) ) {
 531                         $this->showRecoverableUploadError(
 532                                 $this->msg( 'actionthrottledtext' )->escaped()
 533                         );
 534                         return;
 535                 }
 536
 537                 // Get the page text if this is not a reupload
 538                 if ( !$this->mForReUpload ) {
 539                         $pageText = self::getInitialPageText( $this->mComment, $this->mLicense,
 540                                 $this->mCopyrightStatus, $this->mCopyrightSource, $this->getConfig() );
 541                 } else {
 542                         $pageText = false;
 543                 }
 544
 545                 $changeTags = $this->getRequest()->getVal( 'wpChangeTags' );
 546                 if ( is_null( $changeTags ) || $changeTags === '' ) {
 547                         $changeTags = [];
 548                 } else {
 549                         $changeTags = array_filter( array_map( 'trim', explode( ',', $changeTags ) ) );
 550                 }
 551
 552                 if ( $changeTags ) {
 553                         $changeTagsStatus = ChangeTags::canAddTagsAccompanyingChange(
 554                                 $changeTags, $this->getUser() );
 555                         if ( !$changeTagsStatus->isOK() ) {
 556                                 $this->showUploadError( $this->getOutput()->parse( $changeTagsStatus->getWikiText() ) );
 557
 558                                 return;
 559                         }
 560                 }
 561
 562                 $status = $this->mUpload->performUpload(
 563                         $this->mComment,
 564                         $pageText,
 565                         $this->mWatchthis,
 566                         $this->getUser(),
 567                         $changeTags
 568                 );
 569
 570                 if ( !$status->isGood() ) {
 571                         $this->showRecoverableUploadError( $this->getOutput()->parse( $status->getWikiText() ) );
 572
 573                         return;
 574                 }
 575
 576                 // Success, redirect to description page
 577                 $this->mUploadSuccessful = true;
 578                 // Avoid PHP 7.1 warning of passing $this by reference
 579                 $upload = $this;
 580                 Hooks::run( 'SpecialUploadComplete', [ &$upload ] );
 581                 $this->getOutput()->redirect( $this->mLocalFile->getTitle()->getFullURL() );
 582         }
 583
 584         /**
 585          * Get the initial image page text based on a comment and optional file status information
 586          * @param string $comment
 587          * @param string $license
 588          * @param string $copyStatus
 589          * @param string $source
 590          * @param Config $config Configuration object to load data from
 591          * @return string
 592          */
 593         public static function getInitialPageText( $comment = '', $license = '',
 594                 $copyStatus = '', $source = '', Config $config = null
 595         ) {
 596                 if ( $config === null ) {
 597                         wfDebug( __METHOD__ . ' called without a Config instance passed to it' );
 598                         $config = MediaWikiServices::getInstance()->getMainConfig();
 599                 }
 600
 601                 $msg = [];
 602                 $forceUIMsgAsContentMsg = (array)$config->get( 'ForceUIMsgAsContentMsg' );
 603                 /* These messages are transcluded into the actual text of the description page.
 604                  * Thus, forcing them as content messages makes the upload to produce an int: template
 605                  * instead of hardcoding it there in the uploader language.
 606                  */
 607                 foreach ( [ 'license-header', 'filedesc', 'filestatus', 'filesource' ] as $msgName ) {
 608                         if ( in_array( $msgName, $forceUIMsgAsContentMsg ) ) {
 609                                 $msg[$msgName] = "{{int:$msgName}}";
 610                         } else {
 611                                 $msg[$msgName] = wfMessage( $msgName )->inContentLanguage()->text();
 612                         }
 613                 }
 614
 615                 if ( $config->get( 'UseCopyrightUpload' ) ) {
 616                         $licensetxt = '';
 617                         if ( $license != '' ) {
 618                                 $licensetxt = '== ' . $msg['license-header'] . " ==\n" . '{{' . $license . '}}' . "\n";
 619                         }
 620                         $pageText = '== ' . $msg['filedesc'] . " ==\n" . $comment . "\n" .
 621                                 '== ' . $msg['filestatus'] . " ==\n" . $copyStatus . "\n" .
 622                                 "$licensetxt" .
 623                                 '== ' . $msg['filesource'] . " ==\n" . $source;
 624                 } else {
 625                         if ( $license != '' ) {
 626                                 $filedesc = $comment == '' ? '' : '== ' . $msg['filedesc'] . " ==\n" . $comment . "\n";
 627                                         $pageText = $filedesc .
 628                                         '== ' . $msg['license-header'] . " ==\n" . '{{' . $license . '}}' . "\n";
 629                         } else {
 630                                 $pageText = $comment;
 631                         }
 632                 }
 633
 634                 return $pageText;
 635         }
 636
 637         /**
 638          * See if we should check the 'watch this page' checkbox on the form
 639          * based on the user's preferences and whether we're being asked
 640          * to create a new file or update an existing one.
 641          *
 642          * In the case where 'watch edits' is off but 'watch creations' is on,
 643          * we'll leave the box unchecked.
 644          *
 645          * Note that the page target can be changed *on the form*, so our check
 646          * state can get out of sync.
 647          * @return bool|string
 648          */
 649         protected function getWatchCheck() {
 650                 if ( $this->getUser()->getOption( 'watchdefault' ) ) {
 651                         // Watch all edits!
 652                         return true;
 653                 }
 654
 655                 $desiredTitleObj = Title::makeTitleSafe( NS_FILE, $this->mDesiredDestName );
 656                 if ( $desiredTitleObj instanceof Title && $this->getUser()->isWatched( $desiredTitleObj ) ) {
 657                         // Already watched, don't change that
 658                         return true;
 659                 }
 660
 661                 $local = wfLocalFile( $this->mDesiredDestName );
 662                 if ( $local && $local->exists() ) {
 663                         // We're uploading a new version of an existing file.
 664                         // No creation, so don't watch it if we're not already.
 665                         return false;
 666                 } else {
 667                         // New page should get watched if that's our option.
 668                         return $this->getUser()->getOption( 'watchcreations' ) ||
 669                                 $this->getUser()->getOption( 'watchuploads' );
 670                 }
 671         }
 672
 673         /**
 674          * Provides output to the user for a result of UploadBase::verifyUpload
 675          *
 676          * @param array $details Result of UploadBase::verifyUpload
 677          * @throws MWException
 678          */
 679         protected function processVerificationError( $details ) {
 680                 switch ( $details['status'] ) {
 681
 682                         /** Statuses that only require name changing **/
 683                         case UploadBase::MIN_LENGTH_PARTNAME:
 684                                 $this->showRecoverableUploadError( $this->msg( 'minlength1' )->escaped() );
 685                                 break;
 686                         case UploadBase::ILLEGAL_FILENAME:
 687                                 $this->showRecoverableUploadError( $this->msg( 'illegalfilename',
 688                                         $details['filtered'] )->parse() );
 689                                 break;
 690                         case UploadBase::FILENAME_TOO_LONG:
 691                                 $this->showRecoverableUploadError( $this->msg( 'filename-toolong' )->escaped() );
 692                                 break;
 693                         case UploadBase::FILETYPE_MISSING:
 694                                 $this->showRecoverableUploadError( $this->msg( 'filetype-missing' )->parse() );
 695                                 break;
 696                         case UploadBase::WINDOWS_NONASCII_FILENAME:
 697                                 $this->showRecoverableUploadError( $this->msg( 'windows-nonascii-filename' )->parse() );
 698                                 break;
 699
 700                         /** Statuses that require reuploading **/
 701                         case UploadBase::EMPTY_FILE:
 702                                 $this->showUploadError( $this->msg( 'emptyfile' )->escaped() );
 703                                 break;
 704                         case UploadBase::FILE_TOO_LARGE:
 705                                 $this->showUploadError( $this->msg( 'largefileserver' )->escaped() );
 706                                 break;
 707                         case UploadBase::FILETYPE_BADTYPE:
 708                                 $msg = $this->msg( 'filetype-banned-type' );
 709                                 if ( isset( $details['blacklistedExt'] ) ) {
 710                                         $msg->params( $this->getLanguage()->commaList( $details['blacklistedExt'] ) );
 711                                 } else {
 712                                         $msg->params( $details['finalExt'] );
 713                                 }
 714                                 $extensions = array_unique( $this->getConfig()->get( 'FileExtensions' ) );
 715                                 $msg->params( $this->getLanguage()->commaList( $extensions ),
 716                                         count( $extensions ) );
 717
 718                                 // Add PLURAL support for the first parameter. This results
 719                                 // in a bit unlogical parameter sequence, but does not break
 720                                 // old translations
 721                                 if ( isset( $details['blacklistedExt'] ) ) {
 722                                         $msg->params( count( $details['blacklistedExt'] ) );
 723                                 } else {
 724                                         $msg->params( 1 );
 725                                 }
 726
 727                                 $this->showUploadError( $msg->parse() );
 728                                 break;
 729                         case UploadBase::VERIFICATION_ERROR:
 730                                 unset( $details['status'] );
 731                                 $code = array_shift( $details['details'] );
 732                                 $this->showUploadError( $this->msg( $code, $details['details'] )->parse() );
 733                                 break;
 734                         case UploadBase::HOOK_ABORTED:
 735                                 if ( is_array( $details['error'] ) ) { # allow hooks to return error details in an array
 736                                         $args = $details['error'];
 737                                         $error = array_shift( $args );
 738                                 } else {
 739                                         $error = $details['error'];
 740                                         $args = null;
 741                                 }
 742
 743                                 $this->showUploadError( $this->msg( $error, $args )->parse() );
 744                                 break;
 745                         default:
 746                                 throw new MWException( __METHOD__ . ": Unknown value `{$details['status']}`" );
 747                 }
 748         }
 749
 750         /**
 751          * Remove a temporarily kept file stashed by saveTempUploadedFile().
 752          *
 753          * @return bool Success
 754          */
 755         protected function unsaveUploadedFile() {
 756                 if ( !( $this->mUpload instanceof UploadFromStash ) ) {
 757                         return true;
 758                 }
 759                 $success = $this->mUpload->unsaveUploadedFile();
 760                 if ( !$success ) {
 761                         $this->getOutput()->showFileDeleteError( $this->mUpload->getTempPath() );
 762
 763                         return false;
 764                 } else {
 765                         return true;
 766                 }
 767         }
 768
 769         /*** Functions for formatting warnings ***/
 770
 771         /**
 772          * Formats a result of UploadBase::getExistsWarning as HTML
 773          * This check is static and can be done pre-upload via AJAX
 774          *
 775          * @param array $exists The result of UploadBase::getExistsWarning
 776          * @return string Empty string if there is no warning or an HTML fragment
 777          */
 778         public static function getExistsWarning( $exists ) {
 779                 if ( !$exists ) {
 780                         return '';
 781                 }
 782
 783                 $file = $exists['file'];
 784                 $filename = $file->getTitle()->getPrefixedText();
 785                 $warnMsg = null;
 786
 787                 if ( $exists['warning'] == 'exists' ) {
 788                         // Exact match
 789                         $warnMsg = wfMessage( 'fileexists', $filename );
 790                 } elseif ( $exists['warning'] == 'page-exists' ) {
 791                         // Page exists but file does not
 792                         $warnMsg = wfMessage( 'filepageexists', $filename );
 793                 } elseif ( $exists['warning'] == 'exists-normalized' ) {
 794                         $warnMsg = wfMessage( 'fileexists-extension', $filename,
 795                                 $exists['normalizedFile']->getTitle()->getPrefixedText() );
 796                 } elseif ( $exists['warning'] == 'thumb' ) {
 797                         // Swapped argument order compared with other messages for backwards compatibility
 798                         $warnMsg = wfMessage( 'fileexists-thumbnail-yes',
 799                                 $exists['thumbFile']->getTitle()->getPrefixedText(), $filename );
 800                 } elseif ( $exists['warning'] == 'thumb-name' ) {
 801                         // Image w/o '180px-' does not exists, but we do not like these filenames
 802                         $name = $file->getName();
 803                         $badPart = substr( $name, 0, strpos( $name, '-' ) + 1 );
 804                         $warnMsg = wfMessage( 'file-thumbnail-no', $badPart );
 805                 } elseif ( $exists['warning'] == 'bad-prefix' ) {
 806                         $warnMsg = wfMessage( 'filename-bad-prefix', $exists['prefix'] );
 807                 }
 808
 809                 return $warnMsg ? $warnMsg->title( $file->getTitle() )->parse() : '';
 810         }
 811
 812         /**
 813          * Construct a warning and a gallery from an array of duplicate files.
 814          * @param array $dupes
 815          * @return string
 816          */
 817         public function getDupeWarning( $dupes ) {
 818                 if ( !$dupes ) {
 819                         return '';
 820                 }
 821
 822                 $gallery = ImageGalleryBase::factory( false, $this->getContext() );
 823                 $gallery->setShowBytes( false );
 824                 foreach ( $dupes as $file ) {
 825                         $gallery->add( $file->getTitle() );
 826                 }
 827
 828                 return '<li>' .
 829                         $this->msg( 'file-exists-duplicate' )->numParams( count( $dupes ) )->parse() .
 830                         $gallery->toHTML() . "</li>\n";
 831         }
 832
 833         protected function getGroupName() {
 834                 return 'media';
 835         }
 836
 837         /**
 838          * Should we rotate images in the preview on Special:Upload.
 839          *
 840          * This controls js: mw.config.get( 'wgFileCanRotate' )
 841          *
 842          * @todo What about non-BitmapHandler handled files?
 843          */
 844         public static function rotationEnabled() {
 845                 $bitmapHandler = new BitmapHandler();
 846                 return $bitmapHandler->autoRotateEnabled();
 847         }
 848 }
 849
 850 /**
 851  * Sub class of HTMLForm that provides the form section of SpecialUpload
 852  */
 853 class UploadForm extends HTMLForm {
 854         protected $mWatch;
 855         protected $mForReUpload;
 856         protected $mSessionKey;
 857         protected $mHideIgnoreWarning;
 858         protected $mDestWarningAck;
 859         protected $mDestFile;
 860
 861         protected $mComment;
 862         protected $mTextTop;
 863         protected $mTextAfterSummary;
 864
 865         protected $mSourceIds;
 866
 867         protected $mMaxFileSize = [];
 868
 869         protected $mMaxUploadSize = [];
 870
 871         public function __construct( array $options = [], IContextSource $context = null,
 872                 LinkRenderer $linkRenderer = null
 873         ) {
 874                 if ( $context instanceof IContextSource ) {
 875                         $this->setContext( $context );
 876                 }
 877
 878                 if ( !$linkRenderer ) {
 879                         $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
 880                 }
 881
 882                 $this->mWatch = !empty( $options['watch'] );
 883                 $this->mForReUpload = !empty( $options['forreupload'] );
 884                 $this->mSessionKey = isset( $options['sessionkey'] ) ? $options['sessionkey'] : '';
 885                 $this->mHideIgnoreWarning = !empty( $options['hideignorewarning'] );
 886                 $this->mDestWarningAck = !empty( $options['destwarningack'] );
 887                 $this->mDestFile = isset( $options['destfile'] ) ? $options['destfile'] : '';
 888
 889                 $this->mComment = isset( $options['description'] ) ?
 890                         $options['description'] : '';
 891
 892                 $this->mTextTop = isset( $options['texttop'] )
 893                         ? $options['texttop'] : '';
 894
 895                 $this->mTextAfterSummary = isset( $options['textaftersummary'] )
 896                         ? $options['textaftersummary'] : '';
 897
 898                 $sourceDescriptor = $this->getSourceSection();
 899                 $descriptor = $sourceDescriptor
 900                         + $this->getDescriptionSection()
 901                         + $this->getOptionsSection();
 902
 903                 Hooks::run( 'UploadFormInitDescriptor', [ &$descriptor ] );
 904                 parent::__construct( $descriptor, $context, 'upload' );
 905
 906                 # Add a link to edit MediaWiki:Licenses
 907                 if ( $this->getUser()->isAllowed( 'editinterface' ) ) {
 908                         $this->getOutput()->addModuleStyles( 'mediawiki.special.upload.styles' );
 909                         $licensesLink = $linkRenderer->makeKnownLink(
 910                                 $this->msg( 'licenses' )->inContentLanguage()->getTitle(),
 911                                 $this->msg( 'licenses-edit' )->text(),
 912                                 [],
 913                                 [ 'action' => 'edit' ]
 914                         );
 915                         $editLicenses = '<p class="mw-upload-editlicenses">' . $licensesLink . '</p>';
 916                         $this->addFooterText( $editLicenses, 'description' );
 917                 }
 918
 919                 # Set some form properties
 920                 $this->setSubmitText( $this->msg( 'uploadbtn' )->text() );
 921                 $this->setSubmitName( 'wpUpload' );
 922                 # Used message keys: 'accesskey-upload', 'tooltip-upload'
 923                 $this->setSubmitTooltip( 'upload' );
 924                 $this->setId( 'mw-upload-form' );
 925
 926                 # Build a list of IDs for javascript insertion
 927                 $this->mSourceIds = [];
 928                 foreach ( $sourceDescriptor as $field ) {
 929                         if ( !empty( $field['id'] ) ) {
 930                                 $this->mSourceIds[] = $field['id'];
 931                         }
 932                 }
 933         }
 934
 935         /**
 936          * Get the descriptor of the fieldset that contains the file source
 937          * selection. The section is 'source'
 938          *
 939          * @return array Descriptor array
 940          */
 941         protected function getSourceSection() {
 942                 if ( $this->mSessionKey ) {
 943                         return [
 944                                 'SessionKey' => [
 945                                         'type' => 'hidden',
 946                                         'default' => $this->mSessionKey,
 947                                 ],
 948                                 'SourceType' => [
 949                                         'type' => 'hidden',
 950                                         'default' => 'Stash',
 951                                 ],
 952                         ];
 953                 }
 954
 955                 $canUploadByUrl = UploadFromUrl::isEnabled()
 956                         && ( UploadFromUrl::isAllowed( $this->getUser() ) === true )
 957                         && $this->getConfig()->get( 'CopyUploadsFromSpecialUpload' );
 958                 $radio = $canUploadByUrl;
 959                 $selectedSourceType = strtolower( $this->getRequest()->getText( 'wpSourceType', 'File' ) );
 960
 961                 $descriptor = [];
 962                 if ( $this->mTextTop ) {
 963                         $descriptor['UploadFormTextTop'] = [
 964                                 'type' => 'info',
 965                                 'section' => 'source',
 966                                 'default' => $this->mTextTop,
 967                                 'raw' => true,
 968                         ];
 969                 }
 970
 971                 $this->mMaxUploadSize['file'] = min(
 972                         UploadBase::getMaxUploadSize( 'file' ),
 973                         UploadBase::getMaxPhpUploadSize()
 974                 );
 975
 976                 $help = $this->msg( 'upload-maxfilesize',
 977                                 $this->getContext()->getLanguage()->formatSize( $this->mMaxUploadSize['file'] )
 978                         )->parse();
 979
 980                 // If the user can also upload by URL, there are 2 different file size limits.
 981                 // This extra message helps stress which limit corresponds to what.
 982                 if ( $canUploadByUrl ) {
 983                         $help .= $this->msg( 'word-separator' )->escaped();
 984                         $help .= $this->msg( 'upload_source_file' )->parse();
 985                 }
 986
 987                 $descriptor['UploadFile'] = [
 988                         'class' => 'UploadSourceField',
 989                         'section' => 'source',
 990                         'type' => 'file',
 991                         'id' => 'wpUploadFile',
 992                         'radio-id' => 'wpSourceTypeFile',
 993                         'label-message' => 'sourcefilename',
 994                         'upload-type' => 'File',
 995                         'radio' => &$radio,
 996                         'help' => $help,
 997                         'checked' => $selectedSourceType == 'file',
 998                 ];
 999
1000                 if ( $canUploadByUrl ) {
1001                         $this->mMaxUploadSize['url'] = UploadBase::getMaxUploadSize( 'url' );
1002                         $descriptor['UploadFileURL'] = [
1003                                 'class' => 'UploadSourceField',
1004                                 'section' => 'source',
1005                                 'id' => 'wpUploadFileURL',
1006                                 'radio-id' => 'wpSourceTypeurl',
1007                                 'label-message' => 'sourceurl',
1008                                 'upload-type' => 'url',
1009                                 'radio' => &$radio,
1010                                 'help' => $this->msg( 'upload-maxfilesize',
1011                                         $this->getContext()->getLanguage()->formatSize( $this->mMaxUploadSize['url'] )
1012                                 )->parse() .
1013                                         $this->msg( 'word-separator' )->escaped() .
1014                                         $this->msg( 'upload_source_url' )->parse(),
1015                                 'checked' => $selectedSourceType == 'url',
1016                         ];
1017                 }
1018                 Hooks::run( 'UploadFormSourceDescriptors', [ &$descriptor, &$radio, $selectedSourceType ] );
1019
1020                 $descriptor['Extensions'] = [
1021                         'type' => 'info',
1022                         'section' => 'source',
1023                         'default' => $this->getExtensionsMessage(),
1024                         'raw' => true,
1025                 ];
1026
1027                 return $descriptor;
1028         }
1029
1030         /**
1031          * Get the messages indicating which extensions are preferred and prohibitted.
1032          *
1033          * @return string HTML string containing the message
1034          */
1035         protected function getExtensionsMessage() {
1036                 # Print a list of allowed file extensions, if so configured.  We ignore
1037                 # MIME type here, it's incomprehensible to most people and too long.
1038                 $config = $this->getConfig();
1039
1040                 if ( $config->get( 'CheckFileExtensions' ) ) {
1041                         $fileExtensions = array_unique( $config->get( 'FileExtensions' ) );
1042                         if ( $config->get( 'StrictFileExtensions' ) ) {
1043                                 # Everything not permitted is banned
1044                                 $extensionsList =
1045                                         '<div id="mw-upload-permitted">' .
1046                                         $this->msg( 'upload-permitted' )
1047                                                 ->params( $this->getLanguage()->commaList( $fileExtensions ) )
1048                                                 ->numParams( count( $fileExtensions ) )
1049                                                 ->parseAsBlock() .
1050                                         "</div>\n";
1051                         } else {
1052                                 # We have to list both preferred and prohibited
1053                                 $fileBlacklist = array_unique( $config->get( 'FileBlacklist' ) );
1054                                 $extensionsList =
1055                                         '<div id="mw-upload-preferred">' .
1056                                                 $this->msg( 'upload-preferred' )
1057                                                         ->params( $this->getLanguage()->commaList( $fileExtensions ) )
1058                                                         ->numParams( count( $fileExtensions ) )
1059                                                         ->parseAsBlock() .
1060                                         "</div>\n" .
1061                                         '<div id="mw-upload-prohibited">' .
1062                                                 $this->msg( 'upload-prohibited' )
1063                                                         ->params( $this->getLanguage()->commaList( $fileBlacklist ) )
1064                                                         ->numParams( count( $fileBlacklist ) )
1065                                                         ->parseAsBlock() .
1066                                         "</div>\n";
1067                         }
1068                 } else {
1069                         # Everything is permitted.
1070                         $extensionsList = '';
1071                 }
1072
1073                 return $extensionsList;
1074         }
1075
1076         /**
1077          * Get the descriptor of the fieldset that contains the file description
1078          * input. The section is 'description'
1079          *
1080          * @return array Descriptor array
1081          */
1082         protected function getDescriptionSection() {
1083                 $config = $this->getConfig();
1084                 if ( $this->mSessionKey ) {
1085                         $stash = RepoGroup::singleton()->getLocalRepo()->getUploadStash( $this->getUser() );
1086                         try {
1087                                 $file = $stash->getFile( $this->mSessionKey );
1088                         } catch ( Exception $e ) {
1089                                 $file = null;
1090                         }
1091                         if ( $file ) {
1092                                 global $wgContLang;
1093
1094                                 $mto = $file->transform( [ 'width' => 120 ] );
1095                                 if ( $mto ) {
1096                                         $this->addHeaderText(
1097                                                 '<div class="thumb t' . $wgContLang->alignEnd() . '">' .
1098                                                 Html::element( 'img', [
1099                                                         'src' => $mto->getUrl(),
1100                                                         'class' => 'thumbimage',
1101                                                 ] ) . '</div>', 'description' );
1102                                 }
1103                         }
1104                 }
1105
1106                 $descriptor = [
1107                         'DestFile' => [
1108                                 'type' => 'text',
1109                                 'section' => 'description',
1110                                 'id' => 'wpDestFile',
1111                                 'label-message' => 'destfilename',
1112                                 'size' => 60,
1113                                 'default' => $this->mDestFile,
1114                                 # @todo FIXME: Hack to work around poor handling of the 'default' option in HTMLForm
1115                                 'nodata' => strval( $this->mDestFile ) !== '',
1116                         ],
1117                         'UploadDescription' => [
1118                                 'type' => 'textarea',
1119                                 'section' => 'description',
1120                                 'id' => 'wpUploadDescription',
1121                                 'label-message' => $this->mForReUpload
1122                                         ? 'filereuploadsummary'
1123                                         : 'fileuploadsummary',
1124                                 'default' => $this->mComment,
1125                                 'cols' => 80,
1126                                 'rows' => 8,
1127                         ]
1128                 ];
1129                 if ( $this->mTextAfterSummary ) {
1130                         $descriptor['UploadFormTextAfterSummary'] = [
1131                                 'type' => 'info',
1132                                 'section' => 'description',
1133                                 'default' => $this->mTextAfterSummary,
1134                                 'raw' => true,
1135                         ];
1136                 }
1137
1138                 $descriptor += [
1139                         'EditTools' => [
1140                                 'type' => 'edittools',
1141                                 'section' => 'description',
1142                                 'message' => 'edittools-upload',
1143                         ]
1144                 ];
1145
1146                 if ( $this->mForReUpload ) {
1147                         $descriptor['DestFile']['readonly'] = true;
1148                 } else {
1149                         $descriptor['License'] = [
1150                                 'type' => 'select',
1151                                 'class' => 'Licenses',
1152                                 'section' => 'description',
1153                                 'id' => 'wpLicense',
1154                                 'label-message' => 'license',
1155                         ];
1156                 }
1157
1158                 if ( $config->get( 'UseCopyrightUpload' ) ) {
1159                         $descriptor['UploadCopyStatus'] = [
1160                                 'type' => 'text',
1161                                 'section' => 'description',
1162                                 'id' => 'wpUploadCopyStatus',
1163                                 'label-message' => 'filestatus',
1164                         ];
1165                         $descriptor['UploadSource'] = [
1166                                 'type' => 'text',
1167                                 'section' => 'description',
1168                                 'id' => 'wpUploadSource',
1169                                 'label-message' => 'filesource',
1170                         ];
1171                 }
1172
1173                 return $descriptor;
1174         }
1175
1176         /**
1177          * Get the descriptor of the fieldset that contains the upload options,
1178          * such as "watch this file". The section is 'options'
1179          *
1180          * @return array Descriptor array
1181          */
1182         protected function getOptionsSection() {
1183                 $user = $this->getUser();
1184                 if ( $user->isLoggedIn() ) {
1185                         $descriptor = [
1186                                 'Watchthis' => [
1187                                         'type' => 'check',
1188                                         'id' => 'wpWatchthis',
1189                                         'label-message' => 'watchthisupload',
1190                                         'section' => 'options',
1191                                         'default' => $this->mWatch,
1192                                 ]
1193                         ];
1194                 }
1195                 if ( !$this->mHideIgnoreWarning ) {
1196                         $descriptor['IgnoreWarning'] = [
1197                                 'type' => 'check',
1198                                 'id' => 'wpIgnoreWarning',
1199                                 'label-message' => 'ignorewarnings',
1200                                 'section' => 'options',
1201                         ];
1202                 }
1203
1204                 $descriptor['DestFileWarningAck'] = [
1205                         'type' => 'hidden',
1206                         'id' => 'wpDestFileWarningAck',
1207                         'default' => $this->mDestWarningAck ? '1' : '',
1208                 ];
1209
1210                 if ( $this->mForReUpload ) {
1211                         $descriptor['ForReUpload'] = [
1212                                 'type' => 'hidden',
1213                                 'id' => 'wpForReUpload',
1214                                 'default' => '1',
1215                         ];
1216                 }
1217
1218                 return $descriptor;
1219         }
1220
1221         /**
1222          * Add the upload JS and show the form.
1223          */
1224         public function show() {
1225                 $this->addUploadJS();
1226                 parent::show();
1227         }
1228
1229         /**
1230          * Add upload JS to the OutputPage
1231          */
1232         protected function addUploadJS() {
1233                 $config = $this->getConfig();
1234
1235                 $useAjaxDestCheck = $config->get( 'UseAjax' ) && $config->get( 'AjaxUploadDestCheck' );
1236                 $useAjaxLicensePreview = $config->get( 'UseAjax' ) &&
1237                         $config->get( 'AjaxLicensePreview' ) && $config->get( 'EnableAPI' );
1238                 $this->mMaxUploadSize['*'] = UploadBase::getMaxUploadSize();
1239
1240                 $scriptVars = [
1241                         'wgAjaxUploadDestCheck' => $useAjaxDestCheck,
1242                         'wgAjaxLicensePreview' => $useAjaxLicensePreview,
1243                         'wgUploadAutoFill' => !$this->mForReUpload &&
1244                                 // If we received mDestFile from the request, don't autofill
1245                                 // the wpDestFile textbox
1246                                 $this->mDestFile === '',
1247                         'wgUploadSourceIds' => $this->mSourceIds,
1248                         'wgCheckFileExtensions' => $config->get( 'CheckFileExtensions' ),
1249                         'wgStrictFileExtensions' => $config->get( 'StrictFileExtensions' ),
1250                         'wgFileExtensions' => array_values( array_unique( $config->get( 'FileExtensions' ) ) ),
1251                         'wgCapitalizeUploads' => MWNamespace::isCapitalized( NS_FILE ),
1252                         'wgMaxUploadSize' => $this->mMaxUploadSize,
1253                         'wgFileCanRotate' => SpecialUpload::rotationEnabled(),
1254                 ];
1255
1256                 $out = $this->getOutput();
1257                 $out->addJsConfigVars( $scriptVars );
1258
1259                 $out->addModules( [
1260                         'mediawiki.action.edit', // For <charinsert> support
1261                         'mediawiki.special.upload', // Extras for thumbnail and license preview.
1262                 ] );
1263         }
1264
1265         /**
1266          * Empty function; submission is handled elsewhere.
1267          *
1268          * @return bool False
1269          */
1270         function trySubmit() {
1271                 return false;
1272         }
1273 }
1274
1275 /**
1276  * A form field that contains a radio box in the label
1277  */
1278 class UploadSourceField extends HTMLTextField {
1279
1280         /**
1281          * @param array $cellAttributes
1282          * @return string
1283          */
1284         function getLabelHtml( $cellAttributes = [] ) {
1285                 $id = $this->mParams['id'];
1286                 $label = Html::rawElement( 'label', [ 'for' => $id ], $this->mLabel );
1287
1288                 if ( !empty( $this->mParams['radio'] ) ) {
1289                         if ( isset( $this->mParams['radio-id'] ) ) {
1290                                 $radioId = $this->mParams['radio-id'];
1291                         } else {
1292                                 // Old way. For the benefit of extensions that do not define
1293                                 // the 'radio-id' key.
1294                                 $radioId = 'wpSourceType' . $this->mParams['upload-type'];
1295                         }
1296
1297                         $attribs = [
1298                                 'name' => 'wpSourceType',
1299                                 'type' => 'radio',
1300                                 'id' => $radioId,
1301                                 'value' => $this->mParams['upload-type'],
1302                         ];
1303
1304                         if ( !empty( $this->mParams['checked'] ) ) {
1305                                 $attribs['checked'] = 'checked';
1306                         }
1307
1308                         $label .= Html::element( 'input', $attribs );
1309                 }
1310
1311                 return Html::rawElement( 'td', [ 'class' => 'mw-label' ] + $cellAttributes, $label );
1312         }
1313
1314         /**
1315          * @return int
1316          */
1317         function getSize() {
1318                 return isset( $this->mParams['size'] )
1319                         ? $this->mParams['size']
1320                         : 60;
1321         }
1322 }