includes/specials/SpecialRevisiondelete.php

   1 <?php
   2 /**
   3  * Implements Special:Revisiondelete
   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  */
  23
  24 /**
  25  * Special page allowing users with the appropriate permissions to view
  26  * and hide revisions. Log items can also be hidden.
  27  *
  28  * @ingroup SpecialPage
  29  */
  30 class SpecialRevisionDelete extends UnlistedSpecialPage {
  31         /** True if the submit button was clicked, and the form was posted */
  32         var $submitClicked;
  33
  34         /** Target ID list */
  35         var $ids;
  36
  37         /** Archive name, for reviewing deleted files */
  38         var $archiveName;
  39
  40         /** Edit token for securing image views against XSS */
  41         var $token;
  42
  43         /** Title object for target parameter */
  44         var $targetObj;
  45
  46         /** Deletion type, may be revision, archive, oldimage, filearchive, logging. */
  47         var $typeName;
  48
  49         /** Array of checkbox specs (message, name, deletion bits) */
  50         var $checks;
  51
  52         /** UI Labels about the current type */
  53         var $typeLabels;
  54
  55         /** The RevDel_List object, storing the list of items to be deleted/undeleted */
  56         var $list;
  57
  58         /** Was the DB modified in this request */
  59         protected $wasSaved = false;
  60
  61         /**
  62          * UI labels for each type.
  63          */
  64         static $UILabels = array(
  65                 'revision' => array(
  66                         'check-label' => 'revdelete-hide-text',
  67                         'success' => 'revdelete-success',
  68                         'failure' => 'revdelete-failure',
  69                         'text' => 'revdelete-text-text',
  70                 ),
  71                 'archive' => array(
  72                         'check-label' => 'revdelete-hide-text',
  73                         'success' => 'revdelete-success',
  74                         'failure' => 'revdelete-failure',
  75                         'text' => 'revdelete-text-text',
  76                 ),
  77                 'oldimage' => array(
  78                         'check-label' => 'revdelete-hide-image',
  79                         'success' => 'revdelete-success',
  80                         'failure' => 'revdelete-failure',
  81                         'text' => 'revdelete-text-file',
  82                 ),
  83                 'filearchive' => array(
  84                         'check-label' => 'revdelete-hide-image',
  85                         'success' => 'revdelete-success',
  86                         'failure' => 'revdelete-failure',
  87                         'text' => 'revdelete-text-file',
  88                 ),
  89                 'logging' => array(
  90                         'check-label' => 'revdelete-hide-name',
  91                         'success' => 'logdelete-success',
  92                         'failure' => 'logdelete-failure',
  93                         'text' => 'logdelete-text',
  94                 ),
  95         );
  96
  97         public function __construct() {
  98                 parent::__construct( 'Revisiondelete', 'deletedhistory' );
  99         }
 100
 101         public function execute( $par ) {
 102                 $this->checkPermissions();
 103                 $this->checkReadOnly();
 104
 105                 $output = $this->getOutput();
 106                 $user = $this->getUser();
 107
 108                 $this->setHeaders();
 109                 $this->outputHeader();
 110                 $request = $this->getRequest();
 111                 $this->submitClicked = $request->wasPosted() && $request->getBool( 'wpSubmit' );
 112                 # Handle our many different possible input types.
 113                 $ids = $request->getVal( 'ids' );
 114                 if ( !is_null( $ids ) ) {
 115                         # Allow CSV, for backwards compatibility, or a single ID for show/hide links
 116                         $this->ids = explode( ',', $ids );
 117                 } else {
 118                         # Array input
 119                         $this->ids = array_keys( $request->getArray( 'ids', array() ) );
 120                 }
 121                 // $this->ids = array_map( 'intval', $this->ids );
 122                 $this->ids = array_unique( array_filter( $this->ids ) );
 123
 124                 if ( $request->getVal( 'action' ) == 'historysubmit' || $request->getVal( 'action' ) == 'revisiondelete' ) {
 125                         // For show/hide form submission from history page
 126                         // Since we are access through index.php?title=XXX&action=historysubmit
 127                         // getFullTitle() will contain the target title and not our title
 128                         $this->targetObj = $this->getFullTitle();
 129                         $this->typeName = 'revision';
 130                 } else {
 131                         $this->typeName = $request->getVal( 'type' );
 132                         $this->targetObj = Title::newFromText( $request->getText( 'target' ) );
 133                 }
 134
 135                 # For reviewing deleted files...
 136                 $this->archiveName = $request->getVal( 'file' );
 137                 $this->token = $request->getVal( 'token' );
 138                 if ( $this->archiveName && $this->targetObj ) {
 139                         $this->tryShowFile( $this->archiveName );
 140
 141                         return;
 142                 }
 143
 144                 $this->typeName = RevisionDeleter::getCanonicalTypeName( $this->typeName );
 145
 146                 # No targets?
 147                 if ( !$this->typeName || count( $this->ids ) == 0 ) {
 148                         throw new ErrorPageError( 'revdelete-nooldid-title', 'revdelete-nooldid-text' );
 149                 }
 150                 $this->typeLabels = self::$UILabels[$this->typeName];
 151                 $this->mIsAllowed = $user->isAllowed( RevisionDeleter::getRestriction( $this->typeName ) );
 152
 153                 # Allow the list type to adjust the passed target
 154                 $this->targetObj = RevisionDeleter::suggestTarget( $this->typeName, $this->targetObj, $this->ids );
 155
 156                 $this->otherReason = $request->getVal( 'wpReason' );
 157                 # We need a target page!
 158                 if ( is_null( $this->targetObj ) ) {
 159                         $output->addWikiMsg( 'undelete-header' );
 160
 161                         return;
 162                 }
 163                 # Give a link to the logs/hist for this page
 164                 $this->showConvenienceLinks();
 165
 166                 # Initialise checkboxes
 167                 $this->checks = array(
 168                         array( $this->typeLabels['check-label'], 'wpHidePrimary',
 169                                 RevisionDeleter::getRevdelConstant( $this->typeName )
 170                         ),
 171                         array( 'revdelete-hide-comment', 'wpHideComment', Revision::DELETED_COMMENT ),
 172                         array( 'revdelete-hide-user', 'wpHideUser', Revision::DELETED_USER )
 173                 );
 174                 if ( $user->isAllowed( 'suppressrevision' ) ) {
 175                         $this->checks[] = array( 'revdelete-hide-restricted',
 176                                 'wpHideRestricted', Revision::DELETED_RESTRICTED );
 177                 }
 178
 179                 # Either submit or create our form
 180                 if ( $this->mIsAllowed && $this->submitClicked ) {
 181                         $this->submit( $request );
 182                 } else {
 183                         $this->showForm();
 184                 }
 185
 186                 $qc = $this->getLogQueryCond();
 187                 # Show relevant lines from the deletion log
 188                 $deleteLogPage = new LogPage( 'delete' );
 189                 $output->addHTML( "<h2>" . $deleteLogPage->getName()->escaped() . "</h2>\n" );
 190                 LogEventsList::showLogExtract(
 191                         $output,
 192                         'delete',
 193                         $this->targetObj,
 194                         '', /* user */
 195                         array( 'lim' => 25, 'conds' => $qc, 'useMaster' => $this->wasSaved )
 196                 );
 197                 # Show relevant lines from the suppression log
 198                 if ( $user->isAllowed( 'suppressionlog' ) ) {
 199                         $suppressLogPage = new LogPage( 'suppress' );
 200                         $output->addHTML( "<h2>" . $suppressLogPage->getName()->escaped() . "</h2>\n" );
 201                         LogEventsList::showLogExtract(
 202                                 $output,
 203                                 'suppress',
 204                                 $this->targetObj,
 205                                 '',
 206                                 array( 'lim' => 25, 'conds' => $qc, 'useMaster' => $this->wasSaved )
 207                         );
 208                 }
 209         }
 210
 211         /**
 212          * Show some useful links in the subtitle
 213          */
 214         protected function showConvenienceLinks() {
 215                 # Give a link to the logs/hist for this page
 216                 if ( $this->targetObj ) {
 217                         // Also set header tabs to be for the target.
 218                         $this->getSkin()->setRelevantTitle( $this->targetObj );
 219
 220                         $links = array();
 221                         $links[] = Linker::linkKnown(
 222                                 SpecialPage::getTitleFor( 'Log' ),
 223                                 $this->msg( 'viewpagelogs' )->escaped(),
 224                                 array(),
 225                                 array( 'page' => $this->targetObj->getPrefixedText() )
 226                         );
 227                         if ( !$this->targetObj->isSpecialPage() ) {
 228                                 # Give a link to the page history
 229                                 $links[] = Linker::linkKnown(
 230                                         $this->targetObj,
 231                                         $this->msg( 'pagehist' )->escaped(),
 232                                         array(),
 233                                         array( 'action' => 'history' )
 234                                 );
 235                                 # Link to deleted edits
 236                                 if ( $this->getUser()->isAllowed( 'undelete' ) ) {
 237                                         $undelete = SpecialPage::getTitleFor( 'Undelete' );
 238                                         $links[] = Linker::linkKnown(
 239                                                 $undelete,
 240                                                 $this->msg( 'deletedhist' )->escaped(),
 241                                                 array(),
 242                                                 array( 'target' => $this->targetObj->getPrefixedDBkey() )
 243                                         );
 244                                 }
 245                         }
 246                         # Logs themselves don't have histories or archived revisions
 247                         $this->getOutput()->addSubtitle( $this->getLanguage()->pipeList( $links ) );
 248                 }
 249         }
 250
 251         /**
 252          * Get the condition used for fetching log snippets
 253          * @return array
 254          */
 255         protected function getLogQueryCond() {
 256                 $conds = array();
 257                 // Revision delete logs for these item
 258                 $conds['log_type'] = array( 'delete', 'suppress' );
 259                 $conds['log_action'] = $this->getList()->getLogAction();
 260                 $conds['ls_field'] = RevisionDeleter::getRelationType( $this->typeName );
 261                 $conds['ls_value'] = $this->ids;
 262
 263                 return $conds;
 264         }
 265
 266         /**
 267          * Show a deleted file version requested by the visitor.
 268          * TODO Mostly copied from Special:Undelete. Refactor.
 269          */
 270         protected function tryShowFile( $archiveName ) {
 271                 $repo = RepoGroup::singleton()->getLocalRepo();
 272                 $oimage = $repo->newFromArchiveName( $this->targetObj, $archiveName );
 273                 $oimage->load();
 274                 // Check if user is allowed to see this file
 275                 if ( !$oimage->exists() ) {
 276                         $this->getOutput()->addWikiMsg( 'revdelete-no-file' );
 277
 278                         return;
 279                 }
 280                 $user = $this->getUser();
 281                 if ( !$oimage->userCan( File::DELETED_FILE, $user ) ) {
 282                         if ( $oimage->isDeleted( File::DELETED_RESTRICTED ) ) {
 283                                 throw new PermissionsError( 'suppressrevision' );
 284                         } else {
 285                                 throw new PermissionsError( 'deletedtext' );
 286                         }
 287                 }
 288                 if ( !$user->matchEditToken( $this->token, $archiveName ) ) {
 289                         $lang = $this->getLanguage();
 290                         $this->getOutput()->addWikiMsg( 'revdelete-show-file-confirm',
 291                                 $this->targetObj->getText(),
 292                                 $lang->userDate( $oimage->getTimestamp(), $user ),
 293                                 $lang->userTime( $oimage->getTimestamp(), $user ) );
 294                         $this->getOutput()->addHTML(
 295                                 Xml::openElement( 'form', array(
 296                                         'method' => 'POST',
 297                                         'action' => $this->getPageTitle()->getLocalURL( array(
 298                                                         'target' => $this->targetObj->getPrefixedDBkey(),
 299                                                         'file' => $archiveName,
 300                                                         'token' => $user->getEditToken( $archiveName ),
 301                                                 ) )
 302                                         )
 303                                 ) .
 304                                 Xml::submitButton( $this->msg( 'revdelete-show-file-submit' )->text() ) .
 305                                 '</form>'
 306                         );
 307
 308                         return;
 309                 }
 310                 $this->getOutput()->disable();
 311                 # We mustn't allow the output to be Squid cached, otherwise
 312                 # if an admin previews a deleted image, and it's cached, then
 313                 # a user without appropriate permissions can toddle off and
 314                 # nab the image, and Squid will serve it
 315                 $this->getRequest()->response()->header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' );
 316                 $this->getRequest()->response()->header( 'Cache-Control: no-cache, no-store, max-age=0, must-revalidate' );
 317                 $this->getRequest()->response()->header( 'Pragma: no-cache' );
 318
 319                 $key = $oimage->getStorageKey();
 320                 $path = $repo->getZonePath( 'deleted' ) . '/' . $repo->getDeletedHashPath( $key ) . $key;
 321                 $repo->streamFile( $path );
 322         }
 323
 324         /**
 325          * Get the list object for this request
 326          */
 327         protected function getList() {
 328                 if ( is_null( $this->list ) ) {
 329                         $this->list = RevisionDeleter::createList(
 330                                 $this->typeName, $this->getContext(), $this->targetObj, $this->ids
 331                         );
 332                 }
 333
 334                 return $this->list;
 335         }
 336
 337         /**
 338          * Show a list of items that we will operate on, and show a form with checkboxes
 339          * which will allow the user to choose new visibility settings.
 340          */
 341         protected function showForm() {
 342                 $userAllowed = true;
 343
 344                 if ( $this->typeName == 'logging' ) {
 345                         $this->getOutput()->addWikiMsg( 'logdelete-selected', $this->getLanguage()->formatNum( count( $this->ids ) ) );
 346                 } else {
 347                         $this->getOutput()->addWikiMsg( 'revdelete-selected',
 348                                 $this->targetObj->getPrefixedText(), count( $this->ids ) );
 349                 }
 350
 351                 $this->getOutput()->addHTML( "<ul>" );
 352
 353                 $numRevisions = 0;
 354                 // Live revisions...
 355                 $list = $this->getList();
 356                 for ( $list->reset(); $list->current(); $list->next() ) {
 357                         $item = $list->current();
 358                         if ( !$item->canView() ) {
 359                                 if ( !$this->submitClicked ) {
 360                                         throw new PermissionsError( 'suppressrevision' );
 361                                 }
 362                                 $userAllowed = false;
 363                         }
 364                         $numRevisions++;
 365                         $this->getOutput()->addHTML( $item->getHTML() );
 366                 }
 367
 368                 if ( !$numRevisions ) {
 369                         throw new ErrorPageError( 'revdelete-nooldid-title', 'revdelete-nooldid-text' );
 370                 }
 371
 372                 $this->getOutput()->addHTML( "</ul>" );
 373                 // Explanation text
 374                 $this->addUsageText();
 375
 376                 // Normal sysops can always see what they did, but can't always change it
 377                 if ( !$userAllowed ) {
 378                         return;
 379                 }
 380
 381                 // Show form if the user can submit
 382                 if ( $this->mIsAllowed ) {
 383                         $out = Xml::openElement( 'form', array( 'method' => 'post',
 384                                         'action' => $this->getPageTitle()->getLocalURL( array( 'action' => 'submit' ) ),
 385                                         'id' => 'mw-revdel-form-revisions' ) ) .
 386                                 Xml::fieldset( $this->msg( 'revdelete-legend' )->text() ) .
 387                                 $this->buildCheckBoxes() .
 388                                 Xml::openElement( 'table' ) .
 389                                 "<tr>\n" .
 390                                         '<td class="mw-label">' .
 391                                                 Xml::label( $this->msg( 'revdelete-log' )->text(), 'wpRevDeleteReasonList' ) .
 392                                         '</td>' .
 393                                         '<td class="mw-input">' .
 394                                                 Xml::listDropDown( 'wpRevDeleteReasonList',
 395                                                         $this->msg( 'revdelete-reason-dropdown' )->inContentLanguage()->text(),
 396                                                         $this->msg( 'revdelete-reasonotherlist' )->inContentLanguage()->text(),
 397                                                         $this->getRequest()->getText( 'wpRevDeleteReasonList', 'other' ), 'wpReasonDropDown', 1
 398                                                 ) .
 399                                         '</td>' .
 400                                 "</tr><tr>\n" .
 401                                         '<td class="mw-label">' .
 402                                                 Xml::label( $this->msg( 'revdelete-otherreason' )->text(), 'wpReason' ) .
 403                                         '</td>' .
 404                                         '<td class="mw-input">' .
 405                                                 Xml::input( 'wpReason', 60, $this->otherReason, array( 'id' => 'wpReason', 'maxlength' => 100 ) ) .
 406                                         '</td>' .
 407                                 "</tr><tr>\n" .
 408                                         '<td></td>' .
 409                                         '<td class="mw-submit">' .
 410                                                 Xml::submitButton( $this->msg( 'revdelete-submit', $numRevisions )->text(),
 411                                                         array( 'name' => 'wpSubmit' ) ) .
 412                                         '</td>' .
 413                                 "</tr>\n" .
 414                                 Xml::closeElement( 'table' ) .
 415                                 Html::hidden( 'wpEditToken', $this->getUser()->getEditToken() ) .
 416                                 Html::hidden( 'target', $this->targetObj->getPrefixedText() ) .
 417                                 Html::hidden( 'type', $this->typeName ) .
 418                                 Html::hidden( 'ids', implode( ',', $this->ids ) ) .
 419                                 Xml::closeElement( 'fieldset' ) . "\n";
 420                 } else {
 421                         $out = '';
 422                 }
 423                 if ( $this->mIsAllowed ) {
 424                         $out .= Xml::closeElement( 'form' ) . "\n";
 425                         // Show link to edit the dropdown reasons
 426                         if ( $this->getUser()->isAllowed( 'editinterface' ) ) {
 427                                 $title = Title::makeTitle( NS_MEDIAWIKI, 'Revdelete-reason-dropdown' );
 428                                 $link = Linker::link(
 429                                         $title,
 430                                         $this->msg( 'revdelete-edit-reasonlist' )->escaped(),
 431                                         array(),
 432                                         array( 'action' => 'edit' )
 433                                 );
 434                                 $out .= Xml::tags( 'p', array( 'class' => 'mw-revdel-editreasons' ), $link ) . "\n";
 435                         }
 436                 }
 437                 $this->getOutput()->addHTML( $out );
 438         }
 439
 440         /**
 441          * Show some introductory text
 442          * @todo FIXME: Wikimedia-specific policy text
 443          */
 444         protected function addUsageText() {
 445                 $this->getOutput()->wrapWikiMsg( "<strong>$1</strong>\n$2", $this->typeLabels['text'], 'revdelete-text-others' );
 446                 if ( $this->getUser()->isAllowed( 'suppressrevision' ) ) {
 447                         $this->getOutput()->addWikiMsg( 'revdelete-suppress-text' );
 448                 }
 449                 if ( $this->mIsAllowed ) {
 450                         $this->getOutput()->addWikiMsg( 'revdelete-confirm' );
 451                 }
 452         }
 453
 454         /**
 455          * @return String: HTML
 456          */
 457         protected function buildCheckBoxes() {
 458                 $html = '<table>';
 459                 // If there is just one item, use checkboxes
 460                 $list = $this->getList();
 461                 if ( $list->length() == 1 ) {
 462                         $list->reset();
 463                         $bitfield = $list->current()->getBits(); // existing field
 464                         if ( $this->submitClicked ) {
 465                                 $bitfield = RevisionDeleter::extractBitfield( $this->extractBitParams(), $bitfield );
 466                         }
 467                         foreach ( $this->checks as $item ) {
 468                                 list( $message, $name, $field ) = $item;
 469                                 $innerHTML = Xml::checkLabel( $this->msg( $message )->text(), $name, $name, $bitfield & $field );
 470                                 if ( $field == Revision::DELETED_RESTRICTED ) {
 471                                         $innerHTML = "<b>$innerHTML</b>";
 472                                 }
 473                                 $line = Xml::tags( 'td', array( 'class' => 'mw-input' ), $innerHTML );
 474                                 $html .= "<tr>$line</tr>\n";
 475                         }
 476                 } else {
 477                         // Otherwise, use tri-state radios
 478                         $html .= '<tr>';
 479                         $html .= '<th class="mw-revdel-checkbox">' . $this->msg( 'revdelete-radio-same' )->escaped() . '</th>';
 480                         $html .= '<th class="mw-revdel-checkbox">' . $this->msg( 'revdelete-radio-unset' )->escaped() . '</th>';
 481                         $html .= '<th class="mw-revdel-checkbox">' . $this->msg( 'revdelete-radio-set' )->escaped() . '</th>';
 482                         $html .= "<th></th></tr>\n";
 483                         foreach ( $this->checks as $item ) {
 484                                 list( $message, $name, $field ) = $item;
 485                                 // If there are several items, use third state by default...
 486                                 if ( $this->submitClicked ) {
 487                                         $selected = $this->getRequest()->getInt( $name, 0 /* unchecked */ );
 488                                 } else {
 489                                         $selected = -1; // use existing field
 490                                 }
 491                                 $line = '<td class="mw-revdel-checkbox">' . Xml::radio( $name, -1, $selected == -1 ) . '</td>';
 492                                 $line .= '<td class="mw-revdel-checkbox">' . Xml::radio( $name, 0, $selected == 0 ) . '</td>';
 493                                 $line .= '<td class="mw-revdel-checkbox">' . Xml::radio( $name, 1, $selected == 1 ) . '</td>';
 494                                 $label = $this->msg( $message )->escaped();
 495                                 if ( $field == Revision::DELETED_RESTRICTED ) {
 496                                         $label = "<b>$label</b>";
 497                                 }
 498                                 $line .= "<td>$label</td>";
 499                                 $html .= "<tr>$line</tr>\n";
 500                         }
 501                 }
 502
 503                 $html .= '</table>';
 504
 505                 return $html;
 506         }
 507
 508         /**
 509          * UI entry point for form submission.
 510          * @throws PermissionsError
 511          * @return bool
 512          */
 513         protected function submit() {
 514                 # Check edit token on submission
 515                 $token = $this->getRequest()->getVal( 'wpEditToken' );
 516                 if ( $this->submitClicked && !$this->getUser()->matchEditToken( $token ) ) {
 517                         $this->getOutput()->addWikiMsg( 'sessionfailure' );
 518
 519                         return false;
 520                 }
 521                 $bitParams = $this->extractBitParams();
 522                 $listReason = $this->getRequest()->getText( 'wpRevDeleteReasonList', 'other' ); // from dropdown
 523                 $comment = $listReason;
 524                 if ( $comment != 'other' && $this->otherReason != '' ) {
 525                         // Entry from drop down menu + additional comment
 526                         $comment .= $this->msg( 'colon-separator' )->inContentLanguage()->text() . $this->otherReason;
 527                 } elseif ( $comment == 'other' ) {
 528                         $comment = $this->otherReason;
 529                 }
 530                 # Can the user set this field?
 531                 if ( $bitParams[Revision::DELETED_RESTRICTED] == 1 && !$this->getUser()->isAllowed( 'suppressrevision' ) ) {
 532                         throw new PermissionsError( 'suppressrevision' );
 533                 }
 534                 # If the save went through, go to success message...
 535                 $status = $this->save( $bitParams, $comment, $this->targetObj );
 536                 if ( $status->isGood() ) {
 537                         $this->success();
 538
 539                         return true;
 540                 } else {
 541                         # ...otherwise, bounce back to form...
 542                         $this->failure( $status );
 543                 }
 544
 545                 return false;
 546         }
 547
 548         /**
 549          * Report that the submit operation succeeded
 550          */
 551         protected function success() {
 552                 $this->getOutput()->setPageTitle( $this->msg( 'actioncomplete' ) );
 553                 $this->getOutput()->wrapWikiMsg( "<span class=\"success\">\n$1\n</span>", $this->typeLabels['success'] );
 554                 $this->wasSaved = true;
 555                 $this->list->reloadFromMaster();
 556                 $this->showForm();
 557         }
 558
 559         /**
 560          * Report that the submit operation failed
 561          */
 562         protected function failure( $status ) {
 563                 $this->getOutput()->setPageTitle( $this->msg( 'actionfailed' ) );
 564                 $this->getOutput()->addWikiText( $status->getWikiText( $this->typeLabels['failure'] ) );
 565                 $this->showForm();
 566         }
 567
 568         /**
 569          * Put together an array that contains -1, 0, or the *_deleted const for each bit
 570          *
 571          * @return array
 572          */
 573         protected function extractBitParams() {
 574                 $bitfield = array();
 575                 foreach ( $this->checks as $item ) {
 576                         list( /* message */, $name, $field ) = $item;
 577                         $val = $this->getRequest()->getInt( $name, 0 /* unchecked */ );
 578                         if ( $val < -1 || $val > 1 ) {
 579                                 $val = -1; // -1 for existing value
 580                         }
 581                         $bitfield[$field] = $val;
 582                 }
 583                 if ( !isset( $bitfield[Revision::DELETED_RESTRICTED] ) ) {
 584                         $bitfield[Revision::DELETED_RESTRICTED] = 0;
 585                 }
 586
 587                 return $bitfield;
 588         }
 589
 590         /**
 591          * Do the write operations. Simple wrapper for RevDel_*List::setVisibility().
 592          * @param $bitfield
 593          * @param $reason
 594          * @param $title
 595          * @return
 596          */
 597         protected function save( $bitfield, $reason, $title ) {
 598                 return $this->getList()->setVisibility(
 599                         array( 'value' => $bitfield, 'comment' => $reason )
 600                 );
 601         }
 602
 603         protected function getGroupName() {
 604                 return 'pagetools';
 605         }
 606 }