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