dd6fea7333ba3376ec26d10c534c78abd085cba2
[lhc/web/wiklou.git] / 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 /** @var bool Was the DB modified in this request */
32 protected $wasSaved = false;
33
34 /** @var bool True if the submit button was clicked, and the form was posted */
35 private $submitClicked;
36
37 /** @var array Target ID list */
38 private $ids;
39
40 /** @var string Archive name, for reviewing deleted files */
41 private $archiveName;
42
43 /** @var string Edit token for securing image views against XSS */
44 private $token;
45
46 /** @var Title Title object for target parameter */
47 private $targetObj;
48
49 /** @var string Deletion type, may be revision, archive, oldimage, filearchive, logging. */
50 private $typeName;
51
52 /** @var array Array of checkbox specs (message, name, deletion bits) */
53 private $checks;
54
55 /** @var array UI Labels about the current type */
56 private $typeLabels;
57
58 /** @var RevDelList RevDelList object, storing the list of items to be deleted/undeleted */
59 private $revDelList;
60
61 /** @var bool Whether user is allowed to perform the action */
62 private $mIsAllowed;
63
64 /** @var string */
65 private $otherReason;
66
67 /**
68 * UI labels for each type.
69 */
70 private static $UILabels = [
71 'revision' => [
72 'check-label' => 'revdelete-hide-text',
73 'success' => 'revdelete-success',
74 'failure' => 'revdelete-failure',
75 'text' => 'revdelete-text-text',
76 'selected' => 'revdelete-selected-text',
77 ],
78 'archive' => [
79 'check-label' => 'revdelete-hide-text',
80 'success' => 'revdelete-success',
81 'failure' => 'revdelete-failure',
82 'text' => 'revdelete-text-text',
83 'selected' => 'revdelete-selected-text',
84 ],
85 'oldimage' => [
86 'check-label' => 'revdelete-hide-image',
87 'success' => 'revdelete-success',
88 'failure' => 'revdelete-failure',
89 'text' => 'revdelete-text-file',
90 'selected' => 'revdelete-selected-file',
91 ],
92 'filearchive' => [
93 'check-label' => 'revdelete-hide-image',
94 'success' => 'revdelete-success',
95 'failure' => 'revdelete-failure',
96 'text' => 'revdelete-text-file',
97 'selected' => 'revdelete-selected-file',
98 ],
99 'logging' => [
100 'check-label' => 'revdelete-hide-name',
101 'success' => 'logdelete-success',
102 'failure' => 'logdelete-failure',
103 'text' => 'logdelete-text',
104 'selected' => 'logdelete-selected',
105 ],
106 ];
107
108 public function __construct() {
109 parent::__construct( 'Revisiondelete', 'deleterevision' );
110 }
111
112 public function doesWrites() {
113 return true;
114 }
115
116 public function execute( $par ) {
117 $this->useTransactionalTimeLimit();
118
119 $this->checkPermissions();
120 $this->checkReadOnly();
121
122 $output = $this->getOutput();
123 $user = $this->getUser();
124
125 // Check blocks
126 if ( $user->isBlocked() ) {
127 throw new UserBlockedError( $user->getBlock() );
128 }
129
130 $this->setHeaders();
131 $this->outputHeader();
132 $request = $this->getRequest();
133 $this->submitClicked = $request->wasPosted() && $request->getBool( 'wpSubmit' );
134 # Handle our many different possible input types.
135 $ids = $request->getVal( 'ids' );
136 if ( !is_null( $ids ) ) {
137 # Allow CSV, for backwards compatibility, or a single ID for show/hide links
138 $this->ids = explode( ',', $ids );
139 } else {
140 # Array input
141 $this->ids = array_keys( $request->getArray( 'ids', [] ) );
142 }
143 // $this->ids = array_map( 'intval', $this->ids );
144 $this->ids = array_unique( array_filter( $this->ids ) );
145
146 $this->typeName = $request->getVal( 'type' );
147 $this->targetObj = Title::newFromText( $request->getText( 'target' ) );
148
149 # For reviewing deleted files...
150 $this->archiveName = $request->getVal( 'file' );
151 $this->token = $request->getVal( 'token' );
152 if ( $this->archiveName && $this->targetObj ) {
153 $this->tryShowFile( $this->archiveName );
154
155 return;
156 }
157
158 $this->typeName = RevisionDeleter::getCanonicalTypeName( $this->typeName );
159
160 # No targets?
161 if ( !$this->typeName || count( $this->ids ) == 0 ) {
162 throw new ErrorPageError( 'revdelete-nooldid-title', 'revdelete-nooldid-text' );
163 }
164
165 # Allow the list type to adjust the passed target
166 $this->targetObj = RevisionDeleter::suggestTarget(
167 $this->typeName,
168 $this->targetObj,
169 $this->ids
170 );
171
172 # We need a target page!
173 if ( $this->targetObj === null ) {
174 $output->addWikiMsg( 'undelete-header' );
175
176 return;
177 }
178
179 $this->typeLabels = self::$UILabels[$this->typeName];
180 $list = $this->getList();
181 $list->reset();
182 $this->mIsAllowed = $user->isAllowed( RevisionDeleter::getRestriction( $this->typeName ) );
183 $canViewSuppressedOnly = $this->getUser()->isAllowed( 'viewsuppressed' ) &&
184 !$this->getUser()->isAllowed( 'suppressrevision' );
185 $pageIsSuppressed = $list->areAnySuppressed();
186 $this->mIsAllowed = $this->mIsAllowed && !( $canViewSuppressedOnly && $pageIsSuppressed );
187
188 $this->otherReason = $request->getVal( 'wpReason' );
189 # Give a link to the logs/hist for this page
190 $this->showConvenienceLinks();
191
192 # Initialise checkboxes
193 $this->checks = [
194 # Messages: revdelete-hide-text, revdelete-hide-image, revdelete-hide-name
195 [ $this->typeLabels['check-label'], 'wpHidePrimary',
196 RevisionDeleter::getRevdelConstant( $this->typeName )
197 ],
198 [ 'revdelete-hide-comment', 'wpHideComment', Revision::DELETED_COMMENT ],
199 [ 'revdelete-hide-user', 'wpHideUser', Revision::DELETED_USER ]
200 ];
201 if ( $user->isAllowed( 'suppressrevision' ) ) {
202 $this->checks[] = [ 'revdelete-hide-restricted',
203 'wpHideRestricted', Revision::DELETED_RESTRICTED ];
204 }
205
206 # Either submit or create our form
207 if ( $this->mIsAllowed && $this->submitClicked ) {
208 $this->submit();
209 } else {
210 $this->showForm();
211 }
212
213 if ( $user->isAllowed( 'deletedhistory' ) ) {
214 $qc = $this->getLogQueryCond();
215 # Show relevant lines from the deletion log
216 $deleteLogPage = new LogPage( 'delete' );
217 $output->addHTML( "<h2>" . $deleteLogPage->getName()->escaped() . "</h2>\n" );
218 LogEventsList::showLogExtract(
219 $output,
220 'delete',
221 $this->targetObj,
222 '', /* user */
223 [ 'lim' => 25, 'conds' => $qc, 'useMaster' => $this->wasSaved ]
224 );
225 }
226 # Show relevant lines from the suppression log
227 if ( $user->isAllowed( 'suppressionlog' ) ) {
228 $suppressLogPage = new LogPage( 'suppress' );
229 $output->addHTML( "<h2>" . $suppressLogPage->getName()->escaped() . "</h2>\n" );
230 LogEventsList::showLogExtract(
231 $output,
232 'suppress',
233 $this->targetObj,
234 '',
235 [ 'lim' => 25, 'conds' => $qc, 'useMaster' => $this->wasSaved ]
236 );
237 }
238 }
239
240 /**
241 * Show some useful links in the subtitle
242 */
243 protected function showConvenienceLinks() {
244 $linkRenderer = $this->getLinkRenderer();
245 # Give a link to the logs/hist for this page
246 if ( $this->targetObj ) {
247 // Also set header tabs to be for the target.
248 $this->getSkin()->setRelevantTitle( $this->targetObj );
249
250 $links = [];
251 $links[] = $linkRenderer->makeKnownLink(
252 SpecialPage::getTitleFor( 'Log' ),
253 $this->msg( 'viewpagelogs' )->text(),
254 [],
255 [ 'page' => $this->targetObj->getPrefixedText() ]
256 );
257 if ( !$this->targetObj->isSpecialPage() ) {
258 # Give a link to the page history
259 $links[] = $linkRenderer->makeKnownLink(
260 $this->targetObj,
261 $this->msg( 'pagehist' )->text(),
262 [],
263 [ 'action' => 'history' ]
264 );
265 # Link to deleted edits
266 if ( $this->getUser()->isAllowed( 'undelete' ) ) {
267 $undelete = SpecialPage::getTitleFor( 'Undelete' );
268 $links[] = $linkRenderer->makeKnownLink(
269 $undelete,
270 $this->msg( 'deletedhist' )->text(),
271 [],
272 [ 'target' => $this->targetObj->getPrefixedDBkey() ]
273 );
274 }
275 }
276 # Logs themselves don't have histories or archived revisions
277 $this->getOutput()->addSubtitle( $this->getLanguage()->pipeList( $links ) );
278 }
279 }
280
281 /**
282 * Get the condition used for fetching log snippets
283 * @return array
284 */
285 protected function getLogQueryCond() {
286 $conds = [];
287 // Revision delete logs for these item
288 $conds['log_type'] = [ 'delete', 'suppress' ];
289 $conds['log_action'] = $this->getList()->getLogAction();
290 $conds['ls_field'] = RevisionDeleter::getRelationType( $this->typeName );
291 $conds['ls_value'] = $this->ids;
292
293 return $conds;
294 }
295
296 /**
297 * Show a deleted file version requested by the visitor.
298 * @todo Mostly copied from Special:Undelete. Refactor.
299 * @param string $archiveName
300 * @throws MWException
301 * @throws PermissionsError
302 */
303 protected function tryShowFile( $archiveName ) {
304 $repo = RepoGroup::singleton()->getLocalRepo();
305 $oimage = $repo->newFromArchiveName( $this->targetObj, $archiveName );
306 $oimage->load();
307 // Check if user is allowed to see this file
308 if ( !$oimage->exists() ) {
309 $this->getOutput()->addWikiMsg( 'revdelete-no-file' );
310
311 return;
312 }
313 $user = $this->getUser();
314 if ( !$oimage->userCan( File::DELETED_FILE, $user ) ) {
315 if ( $oimage->isDeleted( File::DELETED_RESTRICTED ) ) {
316 throw new PermissionsError( 'suppressrevision' );
317 } else {
318 throw new PermissionsError( 'deletedtext' );
319 }
320 }
321 if ( !$user->matchEditToken( $this->token, $archiveName ) ) {
322 $lang = $this->getLanguage();
323 $this->getOutput()->addWikiMsg( 'revdelete-show-file-confirm',
324 $this->targetObj->getText(),
325 $lang->userDate( $oimage->getTimestamp(), $user ),
326 $lang->userTime( $oimage->getTimestamp(), $user ) );
327 $this->getOutput()->addHTML(
328 Xml::openElement( 'form', [
329 'method' => 'POST',
330 'action' => $this->getPageTitle()->getLocalURL( [
331 'target' => $this->targetObj->getPrefixedDBkey(),
332 'file' => $archiveName,
333 'token' => $user->getEditToken( $archiveName ),
334 ] )
335 ]
336 ) .
337 Xml::submitButton( $this->msg( 'revdelete-show-file-submit' )->text() ) .
338 '</form>'
339 );
340
341 return;
342 }
343 $this->getOutput()->disable();
344 # We mustn't allow the output to be CDN cached, otherwise
345 # if an admin previews a deleted image, and it's cached, then
346 # a user without appropriate permissions can toddle off and
347 # nab the image, and CDN will serve it
348 $this->getRequest()->response()->header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' );
349 $this->getRequest()->response()->header(
350 'Cache-Control: no-cache, no-store, max-age=0, must-revalidate'
351 );
352 $this->getRequest()->response()->header( 'Pragma: no-cache' );
353
354 $key = $oimage->getStorageKey();
355 $path = $repo->getZonePath( 'deleted' ) . '/' . $repo->getDeletedHashPath( $key ) . $key;
356 $repo->streamFileWithStatus( $path );
357 }
358
359 /**
360 * Get the list object for this request
361 * @return RevDelList
362 */
363 protected function getList() {
364 if ( is_null( $this->revDelList ) ) {
365 $this->revDelList = RevisionDeleter::createList(
366 $this->typeName, $this->getContext(), $this->targetObj, $this->ids
367 );
368 }
369
370 return $this->revDelList;
371 }
372
373 /**
374 * Show a list of items that we will operate on, and show a form with checkboxes
375 * which will allow the user to choose new visibility settings.
376 */
377 protected function showForm() {
378 $userAllowed = true;
379
380 // Messages: revdelete-selected-text, revdelete-selected-file, logdelete-selected
381 $out = $this->getOutput();
382 $out->wrapWikiMsg( "<strong>$1</strong>", [ $this->typeLabels['selected'],
383 $this->getLanguage()->formatNum( count( $this->ids ) ), $this->targetObj->getPrefixedText() ] );
384
385 $this->addHelpLink( 'Help:RevisionDelete' );
386 $out->addHTML( "<ul>" );
387
388 $numRevisions = 0;
389 // Live revisions...
390 $list = $this->getList();
391 for ( $list->reset(); $list->current(); $list->next() ) {
392 $item = $list->current();
393
394 if ( !$item->canView() ) {
395 if ( !$this->submitClicked ) {
396 throw new PermissionsError( 'suppressrevision' );
397 }
398 $userAllowed = false;
399 }
400
401 $numRevisions++;
402 $out->addHTML( $item->getHTML() );
403 }
404
405 if ( !$numRevisions ) {
406 throw new ErrorPageError( 'revdelete-nooldid-title', 'revdelete-nooldid-text' );
407 }
408
409 $out->addHTML( "</ul>" );
410 // Explanation text
411 $this->addUsageText();
412
413 // Normal sysops can always see what they did, but can't always change it
414 if ( !$userAllowed ) {
415 return;
416 }
417
418 // Show form if the user can submit
419 if ( $this->mIsAllowed ) {
420 $out->addModules( [ 'mediawiki.special.revisionDelete' ] );
421 $out->addModuleStyles( [ 'mediawiki.special',
422 'mediawiki.interface.helpers.styles' ] );
423
424 $form = Xml::openElement( 'form', [ 'method' => 'post',
425 'action' => $this->getPageTitle()->getLocalURL( [ 'action' => 'submit' ] ),
426 'id' => 'mw-revdel-form-revisions' ] ) .
427 Xml::fieldset( $this->msg( 'revdelete-legend' )->text() ) .
428 $this->buildCheckBoxes() .
429 Xml::openElement( 'table' ) .
430 "<tr>\n" .
431 '<td class="mw-label">' .
432 Xml::label( $this->msg( 'revdelete-log' )->text(), 'wpRevDeleteReasonList' ) .
433 '</td>' .
434 '<td class="mw-input">' .
435 Xml::listDropDown( 'wpRevDeleteReasonList',
436 $this->msg( 'revdelete-reason-dropdown' )->inContentLanguage()->text(),
437 $this->msg( 'revdelete-reasonotherlist' )->inContentLanguage()->text(),
438 $this->getRequest()->getText( 'wpRevDeleteReasonList', 'other' ), 'wpReasonDropDown'
439 ) .
440 '</td>' .
441 "</tr><tr>\n" .
442 '<td class="mw-label">' .
443 Xml::label( $this->msg( 'revdelete-otherreason' )->text(), 'wpReason' ) .
444 '</td>' .
445 '<td class="mw-input">' .
446 Xml::input( 'wpReason', 60, $this->otherReason, [
447 'id' => 'wpReason',
448 // HTML maxlength uses "UTF-16 code units", which means that characters outside BMP
449 // (e.g. emojis) count for two each. This limit is overridden in JS to instead count
450 // Unicode codepoints.
451 // "- 155" is to leave room for the 'wpRevDeleteReasonList' value.
452 'maxlength' => CommentStore::COMMENT_CHARACTER_LIMIT - 155,
453 ] ) .
454 '</td>' .
455 "</tr><tr>\n" .
456 '<td></td>' .
457 '<td class="mw-submit">' .
458 Xml::submitButton( $this->msg( 'revdelete-submit', $numRevisions )->text(),
459 [ 'name' => 'wpSubmit' ] ) .
460 '</td>' .
461 "</tr>\n" .
462 Xml::closeElement( 'table' ) .
463 Html::hidden( 'wpEditToken', $this->getUser()->getEditToken() ) .
464 Html::hidden( 'target', $this->targetObj->getPrefixedText() ) .
465 Html::hidden( 'type', $this->typeName ) .
466 Html::hidden( 'ids', implode( ',', $this->ids ) ) .
467 Xml::closeElement( 'fieldset' ) . "\n" .
468 Xml::closeElement( 'form' ) . "\n";
469 // Show link to edit the dropdown reasons
470 if ( $this->getUser()->isAllowed( 'editinterface' ) ) {
471 $link = $this->getLinkRenderer()->makeKnownLink(
472 $this->msg( 'revdelete-reason-dropdown' )->inContentLanguage()->getTitle(),
473 $this->msg( 'revdelete-edit-reasonlist' )->text(),
474 [],
475 [ 'action' => 'edit' ]
476 );
477 $form .= Xml::tags( 'p', [ 'class' => 'mw-revdel-editreasons' ], $link ) . "\n";
478 }
479 } else {
480 $form = '';
481 }
482 $out->addHTML( $form );
483 }
484
485 /**
486 * Show some introductory text
487 * @todo FIXME: Wikimedia-specific policy text
488 */
489 protected function addUsageText() {
490 // Messages: revdelete-text-text, revdelete-text-file, logdelete-text
491 $this->getOutput()->wrapWikiMsg(
492 "<strong>$1</strong>\n$2", $this->typeLabels['text'],
493 'revdelete-text-others'
494 );
495
496 if ( $this->getUser()->isAllowed( 'suppressrevision' ) ) {
497 $this->getOutput()->addWikiMsg( 'revdelete-suppress-text' );
498 }
499
500 if ( $this->mIsAllowed ) {
501 $this->getOutput()->addWikiMsg( 'revdelete-confirm' );
502 }
503 }
504
505 /**
506 * @return string HTML
507 */
508 protected function buildCheckBoxes() {
509 $html = '<table>';
510 // If there is just one item, use checkboxes
511 $list = $this->getList();
512 if ( $list->length() == 1 ) {
513 $list->reset();
514 $bitfield = $list->current()->getBits(); // existing field
515
516 if ( $this->submitClicked ) {
517 $bitfield = RevisionDeleter::extractBitfield( $this->extractBitParams(), $bitfield );
518 }
519
520 foreach ( $this->checks as $item ) {
521 // Messages: revdelete-hide-text, revdelete-hide-image, revdelete-hide-name,
522 // revdelete-hide-comment, revdelete-hide-user, revdelete-hide-restricted
523 list( $message, $name, $field ) = $item;
524 $innerHTML = Xml::checkLabel(
525 $this->msg( $message )->text(),
526 $name,
527 $name,
528 $bitfield & $field
529 );
530
531 if ( $field == Revision::DELETED_RESTRICTED ) {
532 $innerHTML = "<b>$innerHTML</b>";
533 }
534
535 $line = Xml::tags( 'td', [ 'class' => 'mw-input' ], $innerHTML );
536 $html .= "<tr>$line</tr>\n";
537 }
538 } else {
539 // Otherwise, use tri-state radios
540 $html .= '<tr>';
541 $html .= '<th class="mw-revdel-checkbox">'
542 . $this->msg( 'revdelete-radio-same' )->escaped() . '</th>';
543 $html .= '<th class="mw-revdel-checkbox">'
544 . $this->msg( 'revdelete-radio-unset' )->escaped() . '</th>';
545 $html .= '<th class="mw-revdel-checkbox">'
546 . $this->msg( 'revdelete-radio-set' )->escaped() . '</th>';
547 $html .= "<th></th></tr>\n";
548 foreach ( $this->checks as $item ) {
549 // Messages: revdelete-hide-text, revdelete-hide-image, revdelete-hide-name,
550 // revdelete-hide-comment, revdelete-hide-user, revdelete-hide-restricted
551 list( $message, $name, $field ) = $item;
552 // If there are several items, use third state by default...
553 if ( $this->submitClicked ) {
554 $selected = $this->getRequest()->getInt( $name, 0 /* unchecked */ );
555 } else {
556 $selected = -1; // use existing field
557 }
558 $line = '<td class="mw-revdel-checkbox">' . Xml::radio( $name, -1, $selected == -1 ) . '</td>';
559 $line .= '<td class="mw-revdel-checkbox">' . Xml::radio( $name, 0, $selected == 0 ) . '</td>';
560 $line .= '<td class="mw-revdel-checkbox">' . Xml::radio( $name, 1, $selected == 1 ) . '</td>';
561 $label = $this->msg( $message )->escaped();
562 if ( $field == Revision::DELETED_RESTRICTED ) {
563 $label = "<b>$label</b>";
564 }
565 $line .= "<td>$label</td>";
566 $html .= "<tr>$line</tr>\n";
567 }
568 }
569
570 $html .= '</table>';
571
572 return $html;
573 }
574
575 /**
576 * UI entry point for form submission.
577 * @throws PermissionsError
578 * @return bool
579 */
580 protected function submit() {
581 # Check edit token on submission
582 $token = $this->getRequest()->getVal( 'wpEditToken' );
583 if ( $this->submitClicked && !$this->getUser()->matchEditToken( $token ) ) {
584 $this->getOutput()->addWikiMsg( 'sessionfailure' );
585
586 return false;
587 }
588 $bitParams = $this->extractBitParams();
589 // from dropdown
590 $listReason = $this->getRequest()->getText( 'wpRevDeleteReasonList', 'other' );
591 $comment = $listReason;
592 if ( $comment === 'other' ) {
593 $comment = $this->otherReason;
594 } elseif ( $this->otherReason !== '' ) {
595 // Entry from drop down menu + additional comment
596 $comment .= $this->msg( 'colon-separator' )->inContentLanguage()->text()
597 . $this->otherReason;
598 }
599 # Can the user set this field?
600 if ( $bitParams[Revision::DELETED_RESTRICTED] == 1
601 && !$this->getUser()->isAllowed( 'suppressrevision' )
602 ) {
603 throw new PermissionsError( 'suppressrevision' );
604 }
605 # If the save went through, go to success message...
606 $status = $this->save( $bitParams, $comment );
607 if ( $status->isGood() ) {
608 $this->success();
609
610 return true;
611 } else {
612 # ...otherwise, bounce back to form...
613 $this->failure( $status );
614 }
615
616 return false;
617 }
618
619 /**
620 * Report that the submit operation succeeded
621 */
622 protected function success() {
623 // Messages: revdelete-success, logdelete-success
624 $this->getOutput()->setPageTitle( $this->msg( 'actioncomplete' ) );
625 $this->getOutput()->wrapWikiMsg(
626 "<div class=\"successbox\">\n$1\n</div>",
627 $this->typeLabels['success']
628 );
629 $this->wasSaved = true;
630 $this->revDelList->reloadFromMaster();
631 $this->showForm();
632 }
633
634 /**
635 * Report that the submit operation failed
636 * @param Status $status
637 */
638 protected function failure( $status ) {
639 // Messages: revdelete-failure, logdelete-failure
640 $this->getOutput()->setPageTitle( $this->msg( 'actionfailed' ) );
641 $this->getOutput()->wrapWikiTextAsInterface(
642 'errorbox',
643 $status->getWikiText( $this->typeLabels['failure'] )
644 );
645 $this->showForm();
646 }
647
648 /**
649 * Put together an array that contains -1, 0, or the *_deleted const for each bit
650 *
651 * @return array
652 */
653 protected function extractBitParams() {
654 $bitfield = [];
655 foreach ( $this->checks as $item ) {
656 list( /* message */, $name, $field ) = $item;
657 $val = $this->getRequest()->getInt( $name, 0 /* unchecked */ );
658 if ( $val < -1 || $val > 1 ) {
659 $val = -1; // -1 for existing value
660 }
661 $bitfield[$field] = $val;
662 }
663 if ( !isset( $bitfield[Revision::DELETED_RESTRICTED] ) ) {
664 $bitfield[Revision::DELETED_RESTRICTED] = 0;
665 }
666
667 return $bitfield;
668 }
669
670 /**
671 * Do the write operations. Simple wrapper for RevDel*List::setVisibility().
672 * @param array $bitPars ExtractBitParams() bitfield array
673 * @param string $reason
674 * @return Status
675 */
676 protected function save( array $bitPars, $reason ) {
677 return $this->getList()->setVisibility(
678 [ 'value' => $bitPars, 'comment' => $reason ]
679 );
680 }
681
682 protected function getGroupName() {
683 return 'pagetools';
684 }
685 }