includes/specials/SpecialUpload.php

   1 <?php
   2 /**
   3  * Implements Special:Upload
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  * @ingroup Upload
  23  */
  24
  25 use MediaWiki\Linker\LinkRenderer;
  26 use MediaWiki\MediaWikiServices;
  27
  28 /**
  29  * Form for handling uploads and special page.
  30  *
  31  * @ingroup SpecialPage
  32  * @ingroup Upload
  33  */
  34 class SpecialUpload extends SpecialPage {
  35         /**
  36          * Constructor : initialise object
  37          * Get data POSTed through the form and assign them to the object
  38          * @param WebRequest $request Data posted.
  39          */
  40         public function __construct( $request = null ) {
  41                 parent::__construct( 'Upload', 'upload' );
  42         }
  43
  44         public function doesWrites() {
  45                 return true;
  46         }
  47
  48         /** Misc variables **/
  49
  50         /** @var WebRequest|FauxRequest The request this form is supposed to handle */
  51         public $mRequest;
  52         public $mSourceType;
  53
  54         /** @var UploadBase */
  55         public $mUpload;
  56
  57         /** @var LocalFile */
  58         public $mLocalFile;
  59         public $mUploadClicked;
  60
  61         /** User input variables from the "description" section **/
  62
  63         /** @var string The requested target file name */
  64         public $mDesiredDestName;
  65         public $mComment;
  66         public $mLicense;
  67
  68         /** User input variables from the root section **/
  69
  70         public $mIgnoreWarning;
  71         public $mWatchthis;
  72         public $mCopyrightStatus;
  73         public $mCopyrightSource;
  74
  75         /** Hidden variables **/
  76
  77         public $mDestWarningAck;
  78
  79         /** @var bool The user followed an "overwrite this file" link */
  80         public $mForReUpload;
  81
  82         /** @var bool The user clicked "Cancel and return to upload form" button */
  83         public $mCancelUpload;
  84         public $mTokenOk;
  85
  86         /** @var bool Subclasses can use this to determine whether a file was uploaded */
  87         public $mUploadSuccessful = false;
  88
  89         /** Text injection points for hooks not using HTMLForm **/
  90         public $uploadFormTextTop;
  91         public $uploadFormTextAfterSummary;
  92
  93         /**
  94          * Initialize instance variables from request and create an Upload handler
  95          */
  96         protected function loadRequest() {
  97                 $this->mRequest = $request = $this->getRequest();
  98                 $this->mSourceType = $request->getVal( 'wpSourceType', 'file' );
  99                 $this->mUpload = UploadBase::createFromRequest( $request );
 100                 $this->mUploadClicked = $request->wasPosted()
 101                         && ( $request->getCheck( 'wpUpload' )
 102                                 || $request->getCheck( 'wpUploadIgnoreWarning' ) );
 103
 104                 // Guess the desired name from the filename if not provided
 105                 $this->mDesiredDestName = $request->getText( 'wpDestFile' );
 106                 if ( !$this->mDesiredDestName && $request->getFileName( 'wpUploadFile' ) !== null ) {
 107                         $this->mDesiredDestName = $request->getFileName( 'wpUploadFile' );
 108                 }
 109                 $this->mLicense = $request->getText( 'wpLicense' );
 110
 111                 $this->mDestWarningAck = $request->getText( 'wpDestFileWarningAck' );
 112                 $this->mIgnoreWarning = $request->getCheck( 'wpIgnoreWarning' )
 113                         || $request->getCheck( 'wpUploadIgnoreWarning' );
 114                 $this->mWatchthis = $request->getBool( 'wpWatchthis' ) && $this->getUser()->isLoggedIn();
 115                 $this->mCopyrightStatus = $request->getText( 'wpUploadCopyStatus' );
 116                 $this->mCopyrightSource = $request->getText( 'wpUploadSource' );
 117
 118                 $this->mForReUpload = $request->getBool( 'wpForReUpload' ); // updating a file
 119
 120                 $commentDefault = '';
 121                 $commentMsg = wfMessage( 'upload-default-description' )->inContentLanguage();
 122                 if ( !$this->mForReUpload && !$commentMsg->isDisabled() ) {
 123                         $commentDefault = $commentMsg->plain();
 124                 }
 125                 $this->mComment = $request->getText( 'wpUploadDescription', $commentDefault );
 126
 127                 $this->mCancelUpload = $request->getCheck( 'wpCancelUpload' )
 128                         || $request->getCheck( 'wpReUpload' ); // b/w compat
 129
 130                 // If it was posted check for the token (no remote POST'ing with user credentials)
 131                 $token = $request->getVal( 'wpEditToken' );
 132                 $this->mTokenOk = $this->getUser()->matchEditToken( $token );
 133
 134                 $this->uploadFormTextTop = '';
 135                 $this->uploadFormTextAfterSummary = '';
 136         }
 137
 138         /**
 139          * This page can be shown if uploading is enabled.
 140          * Handle permission checking elsewhere in order to be able to show
 141          * custom error messages.
 142          *
 143          * @param User $user
 144          * @return bool
 145          */
 146         public function userCanExecute( User $user ) {
 147                 return UploadBase::isEnabled() && parent::userCanExecute( $user );
 148         }
 149
 150         /**
 151          * Special page entry point
 152          * @param string $par
 153          * @throws ErrorPageError
 154          * @throws Exception
 155          * @throws FatalError
 156          * @throws MWException
 157          * @throws PermissionsError
 158          * @throws ReadOnlyError
 159          * @throws UserBlockedError
 160          */
 161         public function execute( $par ) {
 162                 $this->useTransactionalTimeLimit();
 163
 164                 $this->setHeaders();
 165                 $this->outputHeader();
 166
 167                 # Check uploading enabled
 168                 if ( !UploadBase::isEnabled() ) {
 169                         throw new ErrorPageError( 'uploaddisabled', 'uploaddisabledtext' );
 170                 }
 171
 172                 $this->addHelpLink( 'Help:Managing files' );
 173
 174                 # Check permissions
 175                 $user = $this->getUser();
 176                 $permissionRequired = UploadBase::isAllowed( $user );
 177                 if ( $permissionRequired !== true ) {
 178                         throw new PermissionsError( $permissionRequired );
 179                 }
 180
 181                 # Check blocks
 182                 if ( $user->isBlocked() ) {
 183                         throw new UserBlockedError( $user->getBlock() );
 184                 }
 185
 186                 // Global blocks
 187                 if ( $user->isBlockedGlobally() ) {
 188                         throw new UserBlockedError( $user->getGlobalBlock() );
 189                 }
 190
 191                 # Check whether we actually want to allow changing stuff
 192                 $this->checkReadOnly();
 193
 194                 $this->loadRequest();
 195
 196                 # Unsave the temporary file in case this was a cancelled upload
 197                 if ( $this->mCancelUpload ) {
 198                         if ( !$this->unsaveUploadedFile() ) {
 199                                 # Something went wrong, so unsaveUploadedFile showed a warning
 200                                 return;
 201                         }
 202                 }
 203
 204                 # Process upload or show a form
 205                 if (
 206                         $this->mTokenOk && !$this->mCancelUpload &&
 207                         ( $this->mUpload && $this->mUploadClicked )
 208                 ) {
 209                         $this->processUpload();
 210                 } else {
 211                         # Backwards compatibility hook
 212                         if ( !Hooks::run( 'UploadForm:initial', [ &$this ] ) ) {
 213                                 wfDebug( "Hook 'UploadForm:initial' broke output of the upload form\n" );
 214
 215                                 return;
 216                         }
 217                         $this->showUploadForm( $this->getUploadForm() );
 218                 }
 219
 220                 # Cleanup
 221                 if ( $this->mUpload ) {
 222                         $this->mUpload->cleanupTempFile();
 223                 }
 224         }
 225
 226         /**
 227          * Show the main upload form
 228          *
 229          * @param HTMLForm|string $form An HTMLForm instance or HTML string to show
 230          */
 231         protected function showUploadForm( $form ) {
 232                 # Add links if file was previously deleted
 233                 if ( $this->mDesiredDestName ) {
 234                         $this->showViewDeletedLinks();
 235                 }
 236
 237                 if ( $form instanceof HTMLForm ) {
 238                         $form->show();
 239                 } else {
 240                         $this->getOutput()->addHTML( $form );
 241                 }
 242         }
 243
 244         /**
 245          * Get an UploadForm instance with title and text properly set.
 246          *
 247          * @param string $message HTML string to add to the form
 248          * @param string $sessionKey Session key in case this is a stashed upload
 249          * @param bool $hideIgnoreWarning Whether to hide "ignore warning" check box
 250          * @return UploadForm
 251          */
 252         protected function getUploadForm( $message = '', $sessionKey = '', $hideIgnoreWarning = false ) {
 253                 # Initialize form
 254                 $context = new DerivativeContext( $this->getContext() );
 255                 $context->setTitle( $this->getPageTitle() ); // Remove subpage
 256                 $form = new UploadForm( [
 257                         'watch' => $this->getWatchCheck(),
 258                         'forreupload' => $this->mForReUpload,
 259                         'sessionkey' => $sessionKey,
 260                         'hideignorewarning' => $hideIgnoreWarning,
 261                         'destwarningack' => (bool)$this->mDestWarningAck,
 262
 263                         'description' => $this->mComment,
 264                         'texttop' => $this->uploadFormTextTop,
 265                         'textaftersummary' => $this->uploadFormTextAfterSummary,
 266                         'destfile' => $this->mDesiredDestName,
 267                 ], $context, $this->getLinkRenderer() );
 268
 269                 # Check the token, but only if necessary
 270                 if (
 271                         !$this->mTokenOk && !$this->mCancelUpload &&
 272                         ( $this->mUpload && $this->mUploadClicked )
 273                 ) {
 274                         $form->addPreText( $this->msg( 'session_fail_preview' )->parse() );
 275                 }
 276
 277                 # Give a notice if the user is uploading a file that has been deleted or moved
 278                 # Note that this is independent from the message 'filewasdeleted'
 279                 $desiredTitleObj = Title::makeTitleSafe( NS_FILE, $this->mDesiredDestName );
 280                 $delNotice = ''; // empty by default
 281                 if ( $desiredTitleObj instanceof Title && !$desiredTitleObj->exists() ) {
 282                         LogEventsList::showLogExtract( $delNotice, [ 'delete', 'move' ],
 283                                 $desiredTitleObj,
 284                                 '', [ 'lim' => 10,
 285                                         'conds' => [ "log_action != 'revision'" ],
 286                                         'showIfEmpty' => false,
 287                                         'msgKey' => [ 'upload-recreate-warning' ] ]
 288                         );
 289                 }
 290                 $form->addPreText( $delNotice );
 291
 292                 # Add text to form
 293                 $form->addPreText( '<div id="uploadtext">' .
 294                         $this->msg( 'uploadtext', [ $this->mDesiredDestName ] )->parseAsBlock() .
 295                         '</div>' );
 296                 # Add upload error message
 297                 $form->addPreText( $message );
 298
 299                 # Add footer to form
 300                 $uploadFooter = $this->msg( 'uploadfooter' );
 301                 if ( !$uploadFooter->isDisabled() ) {
 302                         $form->addPostText( '<div id="mw-upload-footer-message">'
 303                                 . $uploadFooter->parseAsBlock() . "</div>\n" );
 304                 }
 305
 306                 return $form;
 307         }
 308
 309         /**
 310          * Shows the "view X deleted revivions link""
 311          */
 312         protected function showViewDeletedLinks() {
 313                 $title = Title::makeTitleSafe( NS_FILE, $this->mDesiredDestName );
 314                 $user = $this->getUser();
 315                 // Show a subtitle link to deleted revisions (to sysops et al only)
 316                 if ( $title instanceof Title ) {
 317                         $count = $title->isDeleted();
 318                         if ( $count > 0 && $user->isAllowed( 'deletedhistory' ) ) {
 319                                 $restorelink = $this->getLinkRenderer()->makeKnownLink(
 320                                         SpecialPage::getTitleFor( 'Undelete', $title->getPrefixedText() ),
 321                                         $this->msg( 'restorelink' )->numParams( $count )->text()
 322                                 );
 323                                 $link = $this->msg( $user->isAllowed( 'delete' ) ? 'thisisdeleted' : 'viewdeleted' )
 324                                         ->rawParams( $restorelink )->parseAsBlock();
 325                                 $this->getOutput()->addHTML( "<div id=\"contentSub2\">{$link}</div>" );
 326                         }
 327                 }
 328         }
 329
 330         /**
 331          * Stashes the upload and shows the main upload form.
 332          *
 333          * Note: only errors that can be handled by changing the name or
 334          * description should be redirected here. It should be assumed that the
 335          * file itself is sane and has passed UploadBase::verifyFile. This
 336          * essentially means that UploadBase::VERIFICATION_ERROR and
 337          * UploadBase::EMPTY_FILE should not be passed here.
 338          *
 339          * @param string $message HTML message to be passed to mainUploadForm
 340          */
 341         protected function showRecoverableUploadError( $message ) {
 342                 $stashStatus = $this->mUpload->tryStashFile( $this->getUser() );
 343                 if ( $stashStatus->isGood() ) {
 344                         $sessionKey = $stashStatus->getValue()->getFileKey();
 345                 } else {
 346                         $sessionKey = null;
 347                         // TODO Add a warning message about the failure to stash here?
 348                 }
 349                 $message = '<h2>' . $this->msg( 'uploaderror' )->escaped() . "</h2>\n" .
 350                         '<div class="error">' . $message . "</div>\n";
 351
 352                 $form = $this->getUploadForm( $message, $sessionKey );
 353                 $form->setSubmitText( $this->msg( 'upload-tryagain' )->escaped() );
 354                 $this->showUploadForm( $form );
 355         }
 356
 357         /**
 358          * Stashes the upload, shows the main form, but adds a "continue anyway button".
 359          * Also checks whether there are actually warnings to display.
 360          *
 361          * @param array $warnings
 362          * @return bool True if warnings were displayed, false if there are no
 363          *   warnings and it should continue processing
 364          */
 365         protected function showUploadWarning( $warnings ) {
 366                 # If there are no warnings, or warnings we can ignore, return early.
 367                 # mDestWarningAck is set when some javascript has shown the warning
 368                 # to the user. mForReUpload is set when the user clicks the "upload a
 369                 # new version" link.
 370                 if ( !$warnings || ( count( $warnings ) == 1
 371                         && isset( $warnings['exists'] )
 372                         && ( $this->mDestWarningAck || $this->mForReUpload ) )
 373                 ) {
 374                         return false;
 375                 }
 376
 377                 $stashStatus = $this->mUpload->tryStashFile( $this->getUser() );
 378                 if ( $stashStatus->isGood() ) {
 379                         $sessionKey = $stashStatus->getValue()->getFileKey();
 380                 } else {
 381                         $sessionKey = null;
 382                         // TODO Add a warning message about the failure to stash here?
 383                 }
 384
 385                 // Add styles for the warning, reused from the live preview
 386                 $this->getOutput()->addModuleStyles( 'mediawiki.special.upload.styles' );
 387
 388                 $linkRenderer = $this->getLinkRenderer();
 389                 $warningHtml = '<h2>' . $this->msg( 'uploadwarning' )->escaped() . "</h2>\n"
 390                         . '<div class="mw-destfile-warning"><ul>';
 391                 foreach ( $warnings as $warning => $args ) {
 392                         if ( $warning == 'badfilename' ) {
 393                                 $this->mDesiredDestName = Title::makeTitle( NS_FILE, $args )->getText();
 394                         }
 395                         if ( $warning == 'exists' ) {
 396                                 $msg = "\t<li>" . self::getExistsWarning( $args ) . "</li>\n";
 397                         } elseif ( $warning == 'no-change' ) {
 398                                 $file = $args;
 399                                 $filename = $file->getTitle()->getPrefixedText();
 400                                 $msg = "\t<li>" . wfMessage( 'fileexists-no-change', $filename )->parse() . "</li>\n";
 401                         } elseif ( $warning == 'duplicate-version' ) {
 402                                 $file = $args[0];
 403                                 $count = count( $args );
 404                                 $filename = $file->getTitle()->getPrefixedText();
 405                                 $message = wfMessage( 'fileexists-duplicate-version' )
 406                                         ->params( $filename )
 407                                         ->numParams( $count );
 408                                 $msg = "\t<li>" . $message->parse() . "</li>\n";
 409                         } elseif ( $warning == 'was-deleted' ) {
 410                                 # If the file existed before and was deleted, warn the user of this
 411                                 $ltitle = SpecialPage::getTitleFor( 'Log' );
 412                                 $llink = $linkRenderer->makeKnownLink(
 413                                         $ltitle,
 414                                         wfMessage( 'deletionlog' )->text(),
 415                                         [],
 416                                         [
 417                                                 'type' => 'delete',
 418                                                 'page' => Title::makeTitle( NS_FILE, $args )->getPrefixedText(),
 419                                         ]
 420                                 );
 421                                 $msg = "\t<li>" . wfMessage( 'filewasdeleted' )->rawParams( $llink )->parse() . "</li>\n";
 422                         } elseif ( $warning == 'duplicate' ) {
 423                                 $msg = $this->getDupeWarning( $args );
 424                         } elseif ( $warning == 'duplicate-archive' ) {
 425                                 if ( $args === '' ) {
 426                                         $msg = "\t<li>" . $this->msg( 'file-deleted-duplicate-notitle' )->parse()
 427                                                 . "</li>\n";
 428                                 } else {
 429                                         $msg = "\t<li>" . $this->msg( 'file-deleted-duplicate',
 430                                                         Title::makeTitle( NS_FILE, $args )->getPrefixedText() )->parse()
 431                                                 . "</li>\n";
 432                                 }
 433                         } else {
 434                                 if ( $args === true ) {
 435                                         $args = [];
 436                                 } elseif ( !is_array( $args ) ) {
 437                                         $args = [ $args ];
 438                                 }
 439                                 $msg = "\t<li>" . $this->msg( $warning, $args )->parse() . "</li>\n";
 440                         }
 441                         $warningHtml .= $msg;
 442                 }
 443                 $warningHtml .= "</ul></div>\n";
 444                 $warningHtml .= $this->msg( 'uploadwarning-text' )->parseAsBlock();
 445
 446                 $form = $this->getUploadForm( $warningHtml, $sessionKey, /* $hideIgnoreWarning */ true );
 447                 $form->setSubmitText( $this->msg( 'upload-tryagain' )->text() );
 448                 $form->addButton( [
 449                         'name' => 'wpUploadIgnoreWarning',
 450                         'value' => $this->msg( 'ignorewarning' )->text()
 451                 ] );
 452                 $form->addButton( [
 453                         'name' => 'wpCancelUpload',
 454                         'value' => $this->msg( 'reuploaddesc' )->text()
 455                 ] );
 456
 457                 $this->showUploadForm( $form );
 458
 459                 # Indicate that we showed a form
 460                 return true;
 461         }
 462
 463         /**
 464          * Show the upload form with error message, but do not stash the file.
 465          *
 466          * @param string $message HTML string
 467          */
 468         protected function showUploadError( $message ) {
 469                 $message = '<h2>' . $this->msg( 'uploadwarning' )->escaped() . "</h2>\n" .
 470                         '<div class="error">' . $message . "</div>\n";
 471                 $this->showUploadForm( $this->getUploadForm( $message ) );
 472         }
 473
 474         /**
 475          * Do the upload.
 476          * Checks are made in SpecialUpload::execute()
 477          */
 478         protected function processUpload() {
 479                 // Fetch the file if required
 480                 $status = $this->mUpload->fetchFile();
 481                 if ( !$status->isOK() ) {
 482                         $this->showUploadError( $this->getOutput()->parse( $status->getWikiText() ) );
 483
 484                         return;
 485                 }
 486
 487                 if ( !Hooks::run( 'UploadForm:BeforeProcessing', [ &$this ] ) ) {
 488                         wfDebug( "Hook 'UploadForm:BeforeProcessing' broke processing the file.\n" );
 489                         // This code path is deprecated. If you want to break upload processing
 490                         // do so by hooking into the appropriate hooks in UploadBase::verifyUpload
 491                         // and UploadBase::verifyFile.
 492                         // If you use this hook to break uploading, the user will be returned
 493                         // an empty form with no error message whatsoever.
 494                         return;
 495                 }
 496
 497                 // Upload verification
 498                 $details = $this->mUpload->verifyUpload();
 499                 if ( $details['status'] != UploadBase::OK ) {
 500                         $this->processVerificationError( $details );
 501
 502                         return;
 503                 }
 504
 505                 // Verify permissions for this title
 506                 $permErrors = $this->mUpload->verifyTitlePermissions( $this->getUser() );
 507                 if ( $permErrors !== true ) {
 508                         $code = array_shift( $permErrors[0] );
 509                         $this->showRecoverableUploadError( $this->msg( $code, $permErrors[0] )->parse() );
 510
 511                         return;
 512                 }
 513
 514                 $this->mLocalFile = $this->mUpload->getLocalFile();
 515
 516                 // Check warnings if necessary
 517                 if ( !$this->mIgnoreWarning ) {
 518                         $warnings = $this->mUpload->checkWarnings();
 519                         if ( $this->showUploadWarning( $warnings ) ) {
 520                                 return;
 521                         }
 522                 }
 523
 524                 // This is as late as we can throttle, after expected issues have been handled
 525                 if ( UploadBase::isThrottled( $this->getUser() ) ) {
 526                         $this->showRecoverableUploadError(
 527                                 $this->msg( 'actionthrottledtext' )->escaped()
 528                         );
 529                         return;
 530                 }
 531
 532                 // Get the page text if this is not a reupload
 533                 if ( !$this->mForReUpload ) {
 534                         $pageText = self::getInitialPageText( $this->mComment, $this->mLicense,
 535                                 $this->mCopyrightStatus, $this->mCopyrightSource, $this->getConfig() );
 536                 } else {
 537                         $pageText = false;
 538                 }
 539
 540                 $changeTags = $this->getRequest()->getVal( 'wpChangeTags' );
 541                 if ( is_null( $changeTags ) || $changeTags === '' ) {
 542                         $changeTags = [];
 543                 } else {
 544                         $changeTags = array_filter( array_map( 'trim', explode( ',', $changeTags ) ) );
 545                 }
 546
 547                 if ( $changeTags ) {
 548                         $changeTagsStatus = ChangeTags::canAddTagsAccompanyingChange(
 549                                 $changeTags, $this->getUser() );
 550                         if ( !$changeTagsStatus->isOK() ) {
 551                                 $this->showUploadError( $this->getOutput()->parse( $changeTagsStatus->getWikiText() ) );
 552
 553                                 return;
 554                         }
 555                 }
 556
 557                 $status = $this->mUpload->performUpload(
 558                         $this->mComment,
 559                         $pageText,
 560                         $this->mWatchthis,
 561                         $this->getUser(),
 562                         $changeTags
 563                 );
 564
 565                 if ( !$status->isGood() ) {
 566                         $this->showRecoverableUploadError( $this->getOutput()->parse( $status->getWikiText() ) );
 567
 568                         return;
 569                 }
 570
 571                 // Success, redirect to description page
 572                 $this->mUploadSuccessful = true;
 573                 Hooks::run( 'SpecialUploadComplete', [ &$this ] );
 574                 $this->getOutput()->redirect( $this->mLocalFile->getTitle()->getFullURL() );
 575         }
 576
 577         /**
 578          * Get the initial image page text based on a comment and optional file status information
 579          * @param string $comment
 580          * @param string $license
 581          * @param string $copyStatus
 582          * @param string $source
 583          * @param Config $config Configuration object to load data from
 584          * @return string
 585          */
 586         public static function getInitialPageText( $comment = '', $license = '',
 587                 $copyStatus = '', $source = '', Config $config = null
 588         ) {
 589                 if ( $config === null ) {
 590                         wfDebug( __METHOD__ . ' called without a Config instance passed to it' );
 591                         $config = ConfigFactory::getDefaultInstance()->makeConfig( 'main' );
 592                 }
 593
 594                 $msg = [];
 595                 $forceUIMsgAsContentMsg = (array)$config->get( 'ForceUIMsgAsContentMsg' );
 596                 /* These messages are transcluded into the actual text of the description page.
 597                  * Thus, forcing them as content messages makes the upload to produce an int: template
 598                  * instead of hardcoding it there in the uploader language.
 599                  */
 600                 foreach ( [ 'license-header', 'filedesc', 'filestatus', 'filesource' ] as $msgName ) {
 601                         if ( in_array( $msgName, $forceUIMsgAsContentMsg ) ) {
 602                                 $msg[$msgName] = "{{int:$msgName}}";
 603                         } else {
 604                                 $msg[$msgName] = wfMessage( $msgName )->inContentLanguage()->text();
 605                         }
 606                 }
 607
 608                 if ( $config->get( 'UseCopyrightUpload' ) ) {
 609                         $licensetxt = '';
 610                         if ( $license != '' ) {
 611                                 $licensetxt = '== ' . $msg['license-header'] . " ==\n" . '{{' . $license . '}}' . "\n";
 612                         }
 613                         $pageText = '== ' . $msg['filedesc'] . " ==\n" . $comment . "\n" .
 614                                 '== ' . $msg['filestatus'] . " ==\n" . $copyStatus . "\n" .
 615                                 "$licensetxt" .
 616                                 '== ' . $msg['filesource'] . " ==\n" . $source;
 617                 } else {
 618                         if ( $license != '' ) {
 619                                 $filedesc = $comment == '' ? '' : '== ' . $msg['filedesc'] . " ==\n" . $comment . "\n";
 620                                         $pageText = $filedesc .
 621                                         '== ' . $msg['license-header'] . " ==\n" . '{{' . $license . '}}' . "\n";
 622                         } else {
 623                                 $pageText = $comment;
 624                         }
 625                 }
 626
 627                 return $pageText;
 628         }
 629
 630         /**
 631          * See if we should check the 'watch this page' checkbox on the form
 632          * based on the user's preferences and whether we're being asked
 633          * to create a new file or update an existing one.
 634          *
 635          * In the case where 'watch edits' is off but 'watch creations' is on,
 636          * we'll leave the box unchecked.
 637          *
 638          * Note that the page target can be changed *on the form*, so our check
 639          * state can get out of sync.
 640          * @return bool|string
 641          */
 642         protected function getWatchCheck() {
 643                 if ( $this->getUser()->getOption( 'watchdefault' ) ) {
 644                         // Watch all edits!
 645                         return true;
 646                 }
 647
 648                 $desiredTitleObj = Title::makeTitleSafe( NS_FILE, $this->mDesiredDestName );
 649                 if ( $desiredTitleObj instanceof Title && $this->getUser()->isWatched( $desiredTitleObj ) ) {
 650                         // Already watched, don't change that
 651                         return true;
 652                 }
 653
 654                 $local = wfLocalFile( $this->mDesiredDestName );
 655                 if ( $local && $local->exists() ) {
 656                         // We're uploading a new version of an existing file.
 657                         // No creation, so don't watch it if we're not already.
 658                         return false;
 659                 } else {
 660                         // New page should get watched if that's our option.
 661                         return $this->getUser()->getOption( 'watchcreations' ) ||
 662                                 $this->getUser()->getOption( 'watchuploads' );
 663                 }
 664         }
 665
 666         /**
 667          * Provides output to the user for a result of UploadBase::verifyUpload
 668          *
 669          * @param array $details Result of UploadBase::verifyUpload
 670          * @throws MWException
 671          */
 672         protected function processVerificationError( $details ) {
 673                 switch ( $details['status'] ) {
 674
 675                         /** Statuses that only require name changing **/
 676                         case UploadBase::MIN_LENGTH_PARTNAME:
 677                                 $this->showRecoverableUploadError( $this->msg( 'minlength1' )->escaped() );
 678                                 break;
 679                         case UploadBase::ILLEGAL_FILENAME:
 680                                 $this->showRecoverableUploadError( $this->msg( 'illegalfilename',
 681                                         $details['filtered'] )->parse() );
 682                                 break;
 683                         case UploadBase::FILENAME_TOO_LONG:
 684                                 $this->showRecoverableUploadError( $this->msg( 'filename-toolong' )->escaped() );
 685                                 break;
 686                         case UploadBase::FILETYPE_MISSING:
 687                                 $this->showRecoverableUploadError( $this->msg( 'filetype-missing' )->parse() );
 688                                 break;
 689                         case UploadBase::WINDOWS_NONASCII_FILENAME:
 690                                 $this->showRecoverableUploadError( $this->msg( 'windows-nonascii-filename' )->parse() );
 691                                 break;
 692
 693                         /** Statuses that require reuploading **/
 694                         case UploadBase::EMPTY_FILE:
 695                                 $this->showUploadError( $this->msg( 'emptyfile' )->escaped() );
 696                                 break;
 697                         case UploadBase::FILE_TOO_LARGE:
 698                                 $this->showUploadError( $this->msg( 'largefileserver' )->escaped() );
 699                                 break;
 700                         case UploadBase::FILETYPE_BADTYPE:
 701                                 $msg = $this->msg( 'filetype-banned-type' );
 702                                 if ( isset( $details['blacklistedExt'] ) ) {
 703                                         $msg->params( $this->getLanguage()->commaList( $details['blacklistedExt'] ) );
 704                                 } else {
 705                                         $msg->params( $details['finalExt'] );
 706                                 }
 707                                 $extensions = array_unique( $this->getConfig()->get( 'FileExtensions' ) );
 708                                 $msg->params( $this->getLanguage()->commaList( $extensions ),
 709                                         count( $extensions ) );
 710
 711                                 // Add PLURAL support for the first parameter. This results
 712                                 // in a bit unlogical parameter sequence, but does not break
 713                                 // old translations
 714                                 if ( isset( $details['blacklistedExt'] ) ) {
 715                                         $msg->params( count( $details['blacklistedExt'] ) );
 716                                 } else {
 717                                         $msg->params( 1 );
 718                                 }
 719
 720                                 $this->showUploadError( $msg->parse() );
 721                                 break;
 722                         case UploadBase::VERIFICATION_ERROR:
 723                                 unset( $details['status'] );
 724                                 $code = array_shift( $details['details'] );
 725                                 $this->showUploadError( $this->msg( $code, $details['details'] )->parse() );
 726                                 break;
 727                         case UploadBase::HOOK_ABORTED:
 728                                 if ( is_array( $details['error'] ) ) { # allow hooks to return error details in an array
 729                                         $args = $details['error'];
 730                                         $error = array_shift( $args );
 731                                 } else {
 732                                         $error = $details['error'];
 733                                         $args = null;
 734                                 }
 735
 736                                 $this->showUploadError( $this->msg( $error, $args )->parse() );
 737                                 break;
 738                         default:
 739                                 throw new MWException( __METHOD__ . ": Unknown value `{$details['status']}`" );
 740                 }
 741         }
 742
 743         /**
 744          * Remove a temporarily kept file stashed by saveTempUploadedFile().
 745          *
 746          * @return bool Success
 747          */
 748         protected function unsaveUploadedFile() {
 749                 if ( !( $this->mUpload instanceof UploadFromStash ) ) {
 750                         return true;
 751                 }
 752                 $success = $this->mUpload->unsaveUploadedFile();
 753                 if ( !$success ) {
 754                         $this->getOutput()->showFileDeleteError( $this->mUpload->getTempPath() );
 755
 756                         return false;
 757                 } else {
 758                         return true;
 759                 }
 760         }
 761
 762         /*** Functions for formatting warnings ***/
 763
 764         /**
 765          * Formats a result of UploadBase::getExistsWarning as HTML
 766          * This check is static and can be done pre-upload via AJAX
 767          *
 768          * @param array $exists The result of UploadBase::getExistsWarning
 769          * @return string Empty string if there is no warning or an HTML fragment
 770          */
 771         public static function getExistsWarning( $exists ) {
 772                 if ( !$exists ) {
 773                         return '';
 774                 }
 775
 776                 $file = $exists['file'];
 777                 $filename = $file->getTitle()->getPrefixedText();
 778                 $warnMsg = null;
 779
 780                 if ( $exists['warning'] == 'exists' ) {
 781                         // Exact match
 782                         $warnMsg = wfMessage( 'fileexists', $filename );
 783                 } elseif ( $exists['warning'] == 'page-exists' ) {
 784                         // Page exists but file does not
 785                         $warnMsg = wfMessage( 'filepageexists', $filename );
 786                 } elseif ( $exists['warning'] == 'exists-normalized' ) {
 787                         $warnMsg = wfMessage( 'fileexists-extension', $filename,
 788                                 $exists['normalizedFile']->getTitle()->getPrefixedText() );
 789                 } elseif ( $exists['warning'] == 'thumb' ) {
 790                         // Swapped argument order compared with other messages for backwards compatibility
 791                         $warnMsg = wfMessage( 'fileexists-thumbnail-yes',
 792                                 $exists['thumbFile']->getTitle()->getPrefixedText(), $filename );
 793                 } elseif ( $exists['warning'] == 'thumb-name' ) {
 794                         // Image w/o '180px-' does not exists, but we do not like these filenames
 795                         $name = $file->getName();
 796                         $badPart = substr( $name, 0, strpos( $name, '-' ) + 1 );
 797                         $warnMsg = wfMessage( 'file-thumbnail-no', $badPart );
 798                 } elseif ( $exists['warning'] == 'bad-prefix' ) {
 799                         $warnMsg = wfMessage( 'filename-bad-prefix', $exists['prefix'] );
 800                 }
 801
 802                 return $warnMsg ? $warnMsg->title( $file->getTitle() )->parse() : '';
 803         }
 804
 805         /**
 806          * Construct a warning and a gallery from an array of duplicate files.
 807          * @param array $dupes
 808          * @return string
 809          */
 810         public function getDupeWarning( $dupes ) {
 811                 if ( !$dupes ) {
 812                         return '';
 813                 }
 814
 815                 $gallery = ImageGalleryBase::factory( false, $this->getContext() );
 816                 $gallery->setShowBytes( false );
 817                 foreach ( $dupes as $file ) {
 818                         $gallery->add( $file->getTitle() );
 819                 }
 820
 821                 return '<li>' .
 822                         $this->msg( 'file-exists-duplicate' )->numParams( count( $dupes ) )->parse() .
 823                         $gallery->toHTML() . "</li>\n";
 824         }
 825
 826         protected function getGroupName() {
 827                 return 'media';
 828         }
 829
 830         /**
 831          * Should we rotate images in the preview on Special:Upload.
 832          *
 833          * This controls js: mw.config.get( 'wgFileCanRotate' )
 834          *
 835          * @todo What about non-BitmapHandler handled files?
 836          */
 837         public static function rotationEnabled() {
 838                 $bitmapHandler = new BitmapHandler();
 839                 return $bitmapHandler->autoRotateEnabled();
 840         }
 841 }
 842
 843 /**
 844  * Sub class of HTMLForm that provides the form section of SpecialUpload
 845  */
 846 class UploadForm extends HTMLForm {
 847         protected $mWatch;
 848         protected $mForReUpload;
 849         protected $mSessionKey;
 850         protected $mHideIgnoreWarning;
 851         protected $mDestWarningAck;
 852         protected $mDestFile;
 853
 854         protected $mComment;
 855         protected $mTextTop;
 856         protected $mTextAfterSummary;
 857
 858         protected $mSourceIds;
 859
 860         protected $mMaxFileSize = [];
 861
 862         protected $mMaxUploadSize = [];
 863
 864         public function __construct( array $options = [], IContextSource $context = null,
 865                 LinkRenderer $linkRenderer = null
 866         ) {
 867                 if ( $context instanceof IContextSource ) {
 868                         $this->setContext( $context );
 869                 }
 870
 871                 if ( !$linkRenderer ) {
 872                         $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
 873                 }
 874
 875                 $this->mWatch = !empty( $options['watch'] );
 876                 $this->mForReUpload = !empty( $options['forreupload'] );
 877                 $this->mSessionKey = isset( $options['sessionkey'] ) ? $options['sessionkey'] : '';
 878                 $this->mHideIgnoreWarning = !empty( $options['hideignorewarning'] );
 879                 $this->mDestWarningAck = !empty( $options['destwarningack'] );
 880                 $this->mDestFile = isset( $options['destfile'] ) ? $options['destfile'] : '';
 881
 882                 $this->mComment = isset( $options['description'] ) ?
 883                         $options['description'] : '';
 884
 885                 $this->mTextTop = isset( $options['texttop'] )
 886                         ? $options['texttop'] : '';
 887
 888                 $this->mTextAfterSummary = isset( $options['textaftersummary'] )
 889                         ? $options['textaftersummary'] : '';
 890
 891                 $sourceDescriptor = $this->getSourceSection();
 892                 $descriptor = $sourceDescriptor
 893                         + $this->getDescriptionSection()
 894                         + $this->getOptionsSection();
 895
 896                 Hooks::run( 'UploadFormInitDescriptor', [ &$descriptor ] );
 897                 parent::__construct( $descriptor, $context, 'upload' );
 898
 899                 # Add a link to edit MediaWiki:Licenses
 900                 if ( $this->getUser()->isAllowed( 'editinterface' ) ) {
 901                         $this->getOutput()->addModuleStyles( 'mediawiki.special.upload.styles' );
 902                         $licensesLink = $linkRenderer->makeKnownLink(
 903                                 $this->msg( 'licenses' )->inContentLanguage()->getTitle(),
 904                                 $this->msg( 'licenses-edit' )->text(),
 905                                 [],
 906                                 [ 'action' => 'edit' ]
 907                         );
 908                         $editLicenses = '<p class="mw-upload-editlicenses">' . $licensesLink . '</p>';
 909                         $this->addFooterText( $editLicenses, 'description' );
 910                 }
 911
 912                 # Set some form properties
 913                 $this->setSubmitText( $this->msg( 'uploadbtn' )->text() );
 914                 $this->setSubmitName( 'wpUpload' );
 915                 # Used message keys: 'accesskey-upload', 'tooltip-upload'
 916                 $this->setSubmitTooltip( 'upload' );
 917                 $this->setId( 'mw-upload-form' );
 918
 919                 # Build a list of IDs for javascript insertion
 920                 $this->mSourceIds = [];
 921                 foreach ( $sourceDescriptor as $field ) {
 922                         if ( !empty( $field['id'] ) ) {
 923                                 $this->mSourceIds[] = $field['id'];
 924                         }
 925                 }
 926         }
 927
 928         /**
 929          * Get the descriptor of the fieldset that contains the file source
 930          * selection. The section is 'source'
 931          *
 932          * @return array Descriptor array
 933          */
 934         protected function getSourceSection() {
 935                 if ( $this->mSessionKey ) {
 936                         return [
 937                                 'SessionKey' => [
 938                                         'type' => 'hidden',
 939                                         'default' => $this->mSessionKey,
 940                                 ],
 941                                 'SourceType' => [
 942                                         'type' => 'hidden',
 943                                         'default' => 'Stash',
 944                                 ],
 945                         ];
 946                 }
 947
 948                 $canUploadByUrl = UploadFromUrl::isEnabled()
 949                         && ( UploadFromUrl::isAllowed( $this->getUser() ) === true )
 950                         && $this->getConfig()->get( 'CopyUploadsFromSpecialUpload' );
 951                 $radio = $canUploadByUrl;
 952                 $selectedSourceType = strtolower( $this->getRequest()->getText( 'wpSourceType', 'File' ) );
 953
 954                 $descriptor = [];
 955                 if ( $this->mTextTop ) {
 956                         $descriptor['UploadFormTextTop'] = [
 957                                 'type' => 'info',
 958                                 'section' => 'source',
 959                                 'default' => $this->mTextTop,
 960                                 'raw' => true,
 961                         ];
 962                 }
 963
 964                 $this->mMaxUploadSize['file'] = min(
 965                         UploadBase::getMaxUploadSize( 'file' ),
 966                         UploadBase::getMaxPhpUploadSize()
 967                 );
 968
 969                 $help = $this->msg( 'upload-maxfilesize',
 970                                 $this->getContext()->getLanguage()->formatSize( $this->mMaxUploadSize['file'] )
 971                         )->parse();
 972
 973                 // If the user can also upload by URL, there are 2 different file size limits.
 974                 // This extra message helps stress which limit corresponds to what.
 975                 if ( $canUploadByUrl ) {
 976                         $help .= $this->msg( 'word-separator' )->escaped();
 977                         $help .= $this->msg( 'upload_source_file' )->parse();
 978                 }
 979
 980                 $descriptor['UploadFile'] = [
 981                         'class' => 'UploadSourceField',
 982                         'section' => 'source',
 983                         'type' => 'file',
 984                         'id' => 'wpUploadFile',
 985                         'radio-id' => 'wpSourceTypeFile',
 986                         'label-message' => 'sourcefilename',
 987                         'upload-type' => 'File',
 988                         'radio' => &$radio,
 989                         'help' => $help,
 990                         'checked' => $selectedSourceType == 'file',
 991                 ];
 992
 993                 if ( $canUploadByUrl ) {
 994                         $this->mMaxUploadSize['url'] = UploadBase::getMaxUploadSize( 'url' );
 995                         $descriptor['UploadFileURL'] = [
 996                                 'class' => 'UploadSourceField',
 997                                 'section' => 'source',
 998                                 'id' => 'wpUploadFileURL',
 999                                 'radio-id' => 'wpSourceTypeurl',
1000                                 'label-message' => 'sourceurl',
1001                                 'upload-type' => 'url',
1002                                 'radio' => &$radio,
1003                                 'help' => $this->msg( 'upload-maxfilesize',
1004                                         $this->getContext()->getLanguage()->formatSize( $this->mMaxUploadSize['url'] )
1005                                 )->parse() .
1006                                         $this->msg( 'word-separator' )->escaped() .
1007                                         $this->msg( 'upload_source_url' )->parse(),
1008                                 'checked' => $selectedSourceType == 'url',
1009                         ];
1010                 }
1011                 Hooks::run( 'UploadFormSourceDescriptors', [ &$descriptor, &$radio, $selectedSourceType ] );
1012
1013                 $descriptor['Extensions'] = [
1014                         'type' => 'info',
1015                         'section' => 'source',
1016                         'default' => $this->getExtensionsMessage(),
1017                         'raw' => true,
1018                 ];
1019
1020                 return $descriptor;
1021         }
1022
1023         /**
1024          * Get the messages indicating which extensions are preferred and prohibitted.
1025          *
1026          * @return string HTML string containing the message
1027          */
1028         protected function getExtensionsMessage() {
1029                 # Print a list of allowed file extensions, if so configured.  We ignore
1030                 # MIME type here, it's incomprehensible to most people and too long.
1031                 $config = $this->getConfig();
1032
1033                 if ( $config->get( 'CheckFileExtensions' ) ) {
1034                         $fileExtensions = array_unique( $config->get( 'FileExtensions' ) );
1035                         if ( $config->get( 'StrictFileExtensions' ) ) {
1036                                 # Everything not permitted is banned
1037                                 $extensionsList =
1038                                         '<div id="mw-upload-permitted">' .
1039                                         $this->msg( 'upload-permitted' )
1040                                                 ->params( $this->getLanguage()->commaList( $fileExtensions ) )
1041                                                 ->numParams( count( $fileExtensions ) )
1042                                                 ->parseAsBlock() .
1043                                         "</div>\n";
1044                         } else {
1045                                 # We have to list both preferred and prohibited
1046                                 $fileBlacklist = array_unique( $config->get( 'FileBlacklist' ) );
1047                                 $extensionsList =
1048                                         '<div id="mw-upload-preferred">' .
1049                                                 $this->msg( 'upload-preferred' )
1050                                                         ->params( $this->getLanguage()->commaList( $fileExtensions ) )
1051                                                         ->numParams( count( $fileExtensions ) )
1052                                                         ->parseAsBlock() .
1053                                         "</div>\n" .
1054                                         '<div id="mw-upload-prohibited">' .
1055                                                 $this->msg( 'upload-prohibited' )
1056                                                         ->params( $this->getLanguage()->commaList( $fileBlacklist ) )
1057                                                         ->numParams( count( $fileBlacklist ) )
1058                                                         ->parseAsBlock() .
1059                                         "</div>\n";
1060                         }
1061                 } else {
1062                         # Everything is permitted.
1063                         $extensionsList = '';
1064                 }
1065
1066                 return $extensionsList;
1067         }
1068
1069         /**
1070          * Get the descriptor of the fieldset that contains the file description
1071          * input. The section is 'description'
1072          *
1073          * @return array Descriptor array
1074          */
1075         protected function getDescriptionSection() {
1076                 $config = $this->getConfig();
1077                 if ( $this->mSessionKey ) {
1078                         $stash = RepoGroup::singleton()->getLocalRepo()->getUploadStash( $this->getUser() );
1079                         try {
1080                                 $file = $stash->getFile( $this->mSessionKey );
1081                         } catch ( Exception $e ) {
1082                                 $file = null;
1083                         }
1084                         if ( $file ) {
1085                                 global $wgContLang;
1086
1087                                 $mto = $file->transform( [ 'width' => 120 ] );
1088                                 $this->addHeaderText(
1089                                         '<div class="thumb t' . $wgContLang->alignEnd() . '">' .
1090                                         Html::element( 'img', [
1091                                                 'src' => $mto->getUrl(),
1092                                                 'class' => 'thumbimage',
1093                                         ] ) . '</div>', 'description' );
1094                         }
1095                 }
1096
1097                 $descriptor = [
1098                         'DestFile' => [
1099                                 'type' => 'text',
1100                                 'section' => 'description',
1101                                 'id' => 'wpDestFile',
1102                                 'label-message' => 'destfilename',
1103                                 'size' => 60,
1104                                 'default' => $this->mDestFile,
1105                                 # @todo FIXME: Hack to work around poor handling of the 'default' option in HTMLForm
1106                                 'nodata' => strval( $this->mDestFile ) !== '',
1107                         ],
1108                         'UploadDescription' => [
1109                                 'type' => 'textarea',
1110                                 'section' => 'description',
1111                                 'id' => 'wpUploadDescription',
1112                                 'label-message' => $this->mForReUpload
1113                                         ? 'filereuploadsummary'
1114                                         : 'fileuploadsummary',
1115                                 'default' => $this->mComment,
1116                                 'cols' => $this->getUser()->getIntOption( 'cols' ),
1117                                 'rows' => 8,
1118                         ]
1119                 ];
1120                 if ( $this->mTextAfterSummary ) {
1121                         $descriptor['UploadFormTextAfterSummary'] = [
1122                                 'type' => 'info',
1123                                 'section' => 'description',
1124                                 'default' => $this->mTextAfterSummary,
1125                                 'raw' => true,
1126                         ];
1127                 }
1128
1129                 $descriptor += [
1130                         'EditTools' => [
1131                                 'type' => 'edittools',
1132                                 'section' => 'description',
1133                                 'message' => 'edittools-upload',
1134                         ]
1135                 ];
1136
1137                 if ( $this->mForReUpload ) {
1138                         $descriptor['DestFile']['readonly'] = true;
1139                 } else {
1140                         $descriptor['License'] = [
1141                                 'type' => 'select',
1142                                 'class' => 'Licenses',
1143                                 'section' => 'description',
1144                                 'id' => 'wpLicense',
1145                                 'label-message' => 'license',
1146                         ];
1147                 }
1148
1149                 if ( $config->get( 'UseCopyrightUpload' ) ) {
1150                         $descriptor['UploadCopyStatus'] = [
1151                                 'type' => 'text',
1152                                 'section' => 'description',
1153                                 'id' => 'wpUploadCopyStatus',
1154                                 'label-message' => 'filestatus',
1155                         ];
1156                         $descriptor['UploadSource'] = [
1157                                 'type' => 'text',
1158                                 'section' => 'description',
1159                                 'id' => 'wpUploadSource',
1160                                 'label-message' => 'filesource',
1161                         ];
1162                 }
1163
1164                 return $descriptor;
1165         }
1166
1167         /**
1168          * Get the descriptor of the fieldset that contains the upload options,
1169          * such as "watch this file". The section is 'options'
1170          *
1171          * @return array Descriptor array
1172          */
1173         protected function getOptionsSection() {
1174                 $user = $this->getUser();
1175                 if ( $user->isLoggedIn() ) {
1176                         $descriptor = [
1177                                 'Watchthis' => [
1178                                         'type' => 'check',
1179                                         'id' => 'wpWatchthis',
1180                                         'label-message' => 'watchthisupload',
1181                                         'section' => 'options',
1182                                         'default' => $this->mWatch,
1183                                 ]
1184                         ];
1185                 }
1186                 if ( !$this->mHideIgnoreWarning ) {
1187                         $descriptor['IgnoreWarning'] = [
1188                                 'type' => 'check',
1189                                 'id' => 'wpIgnoreWarning',
1190                                 'label-message' => 'ignorewarnings',
1191                                 'section' => 'options',
1192                         ];
1193                 }
1194
1195                 $descriptor['DestFileWarningAck'] = [
1196                         'type' => 'hidden',
1197                         'id' => 'wpDestFileWarningAck',
1198                         'default' => $this->mDestWarningAck ? '1' : '',
1199                 ];
1200
1201                 if ( $this->mForReUpload ) {
1202                         $descriptor['ForReUpload'] = [
1203                                 'type' => 'hidden',
1204                                 'id' => 'wpForReUpload',
1205                                 'default' => '1',
1206                         ];
1207                 }
1208
1209                 return $descriptor;
1210         }
1211
1212         /**
1213          * Add the upload JS and show the form.
1214          */
1215         public function show() {
1216                 $this->addUploadJS();
1217                 parent::show();
1218         }
1219
1220         /**
1221          * Add upload JS to the OutputPage
1222          */
1223         protected function addUploadJS() {
1224                 $config = $this->getConfig();
1225
1226                 $useAjaxDestCheck = $config->get( 'UseAjax' ) && $config->get( 'AjaxUploadDestCheck' );
1227                 $useAjaxLicensePreview = $config->get( 'UseAjax' ) &&
1228                         $config->get( 'AjaxLicensePreview' ) && $config->get( 'EnableAPI' );
1229                 $this->mMaxUploadSize['*'] = UploadBase::getMaxUploadSize();
1230
1231                 $scriptVars = [
1232                         'wgAjaxUploadDestCheck' => $useAjaxDestCheck,
1233                         'wgAjaxLicensePreview' => $useAjaxLicensePreview,
1234                         'wgUploadAutoFill' => !$this->mForReUpload &&
1235                                 // If we received mDestFile from the request, don't autofill
1236                                 // the wpDestFile textbox
1237                                 $this->mDestFile === '',
1238                         'wgUploadSourceIds' => $this->mSourceIds,
1239                         'wgCheckFileExtensions' => $config->get( 'CheckFileExtensions' ),
1240                         'wgStrictFileExtensions' => $config->get( 'StrictFileExtensions' ),
1241                         'wgFileExtensions' => array_values( array_unique( $config->get( 'FileExtensions' ) ) ),
1242                         'wgCapitalizeUploads' => MWNamespace::isCapitalized( NS_FILE ),
1243                         'wgMaxUploadSize' => $this->mMaxUploadSize,
1244                         'wgFileCanRotate' => SpecialUpload::rotationEnabled(),
1245                 ];
1246
1247                 $out = $this->getOutput();
1248                 $out->addJsConfigVars( $scriptVars );
1249
1250                 $out->addModules( [
1251                         'mediawiki.action.edit', // For <charinsert> support
1252                         'mediawiki.special.upload', // Extras for thumbnail and license preview.
1253                 ] );
1254         }
1255
1256         /**
1257          * Empty function; submission is handled elsewhere.
1258          *
1259          * @return bool False
1260          */
1261         function trySubmit() {
1262                 return false;
1263         }
1264 }
1265
1266 /**
1267  * A form field that contains a radio box in the label
1268  */
1269 class UploadSourceField extends HTMLTextField {
1270
1271         /**
1272          * @param array $cellAttributes
1273          * @return string
1274          */
1275         function getLabelHtml( $cellAttributes = [] ) {
1276                 $id = $this->mParams['id'];
1277                 $label = Html::rawElement( 'label', [ 'for' => $id ], $this->mLabel );
1278
1279                 if ( !empty( $this->mParams['radio'] ) ) {
1280                         if ( isset( $this->mParams['radio-id'] ) ) {
1281                                 $radioId = $this->mParams['radio-id'];
1282                         } else {
1283                                 // Old way. For the benefit of extensions that do not define
1284                                 // the 'radio-id' key.
1285                                 $radioId = 'wpSourceType' . $this->mParams['upload-type'];
1286                         }
1287
1288                         $attribs = [
1289                                 'name' => 'wpSourceType',
1290                                 'type' => 'radio',
1291                                 'id' => $radioId,
1292                                 'value' => $this->mParams['upload-type'],
1293                         ];
1294
1295                         if ( !empty( $this->mParams['checked'] ) ) {
1296                                 $attribs['checked'] = 'checked';
1297                         }
1298
1299                         $label .= Html::element( 'input', $attribs );
1300                 }
1301
1302                 return Html::rawElement( 'td', [ 'class' => 'mw-label' ] + $cellAttributes, $label );
1303         }
1304
1305         /**
1306          * @return int
1307          */
1308         function getSize() {
1309                 return isset( $this->mParams['size'] )
1310                         ? $this->mParams['size']
1311                         : 60;
1312         }
1313 }