3 * Implements Special:Undelete
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.
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.
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
21 * @ingroup SpecialPage
24 use Wikimedia\Rdbms\ResultWrapper
;
27 * Special page allowing users with the appropriate permissions to view
28 * and restore deleted content.
30 * @ingroup SpecialPage
32 class SpecialUndelete
extends SpecialPage
{
40 private $mTargetTimestamp;
49 * @var string Search prefix
51 private $mSearchPrefix;
53 function __construct() {
54 parent
::__construct( 'Undelete', 'deletedhistory' );
57 public function doesWrites() {
61 function loadRequest( $par ) {
62 $request = $this->getRequest();
63 $user = $this->getUser();
65 $this->mAction
= $request->getVal( 'action' );
66 if ( $par !== null && $par !== '' ) {
67 $this->mTarget
= $par;
69 $this->mTarget
= $request->getVal( 'target' );
72 $this->mTargetObj
= null;
74 if ( $this->mTarget
!== null && $this->mTarget
!== '' ) {
75 $this->mTargetObj
= Title
::newFromText( $this->mTarget
);
78 $this->mSearchPrefix
= $request->getText( 'prefix' );
79 $time = $request->getVal( 'timestamp' );
80 $this->mTimestamp
= $time ?
wfTimestamp( TS_MW
, $time ) : '';
81 $this->mFilename
= $request->getVal( 'file' );
83 $posted = $request->wasPosted() &&
84 $user->matchEditToken( $request->getVal( 'wpEditToken' ) );
85 $this->mRestore
= $request->getCheck( 'restore' ) && $posted;
86 $this->mRevdel
= $request->getCheck( 'revdel' ) && $posted;
87 $this->mInvert
= $request->getCheck( 'invert' ) && $posted;
88 $this->mPreview
= $request->getCheck( 'preview' ) && $posted;
89 $this->mDiff
= $request->getCheck( 'diff' );
90 $this->mDiffOnly
= $request->getBool( 'diffonly', $this->getUser()->getOption( 'diffonly' ) );
91 $this->mComment
= $request->getText( 'wpComment' );
92 $this->mUnsuppress
= $request->getVal( 'wpUnsuppress' ) && $user->isAllowed( 'suppressrevision' );
93 $this->mToken
= $request->getVal( 'token' );
95 if ( $this->isAllowed( 'undelete' ) && !$user->isBlocked() ) {
96 $this->mAllowed
= true; // user can restore
97 $this->mCanView
= true; // user can view content
98 } elseif ( $this->isAllowed( 'deletedtext' ) ) {
99 $this->mAllowed
= false; // user cannot restore
100 $this->mCanView
= true; // user can view content
101 $this->mRestore
= false;
102 } else { // user can only view the list of revisions
103 $this->mAllowed
= false;
104 $this->mCanView
= false;
105 $this->mTimestamp
= '';
106 $this->mRestore
= false;
109 if ( $this->mRestore ||
$this->mInvert
) {
111 $this->mFileVersions
= [];
112 foreach ( $request->getValues() as $key => $val ) {
114 if ( preg_match( '/^ts(\d{14})$/', $key, $matches ) ) {
115 array_push( $timestamps, $matches[1] );
118 if ( preg_match( '/^fileid(\d+)$/', $key, $matches ) ) {
119 $this->mFileVersions
[] = intval( $matches[1] );
122 rsort( $timestamps );
123 $this->mTargetTimestamp
= $timestamps;
128 * Checks whether a user is allowed the permission for the
129 * specific title if one is set.
131 * @param string $permission
135 protected function isAllowed( $permission, User
$user = null ) {
136 $user = $user ?
: $this->getUser();
137 if ( $this->mTargetObj
!== null ) {
138 return $this->mTargetObj
->userCan( $permission, $user );
140 return $user->isAllowed( $permission );
144 function userCanExecute( User
$user ) {
145 return $this->isAllowed( $this->mRestriction
, $user );
148 function execute( $par ) {
149 $this->useTransactionalTimeLimit();
151 $user = $this->getUser();
154 $this->outputHeader();
156 $this->loadRequest( $par );
157 $this->checkPermissions(); // Needs to be after mTargetObj is set
159 $out = $this->getOutput();
161 if ( is_null( $this->mTargetObj
) ) {
162 $out->addWikiMsg( 'undelete-header' );
164 # Not all users can just browse every deleted page from the list
165 if ( $user->isAllowed( 'browsearchive' ) ) {
166 $this->showSearchForm();
172 $this->addHelpLink( 'Help:Undelete' );
173 if ( $this->mAllowed
) {
174 $out->setPageTitle( $this->msg( 'undeletepage' ) );
176 $out->setPageTitle( $this->msg( 'viewdeletedpage' ) );
179 $this->getSkin()->setRelevantTitle( $this->mTargetObj
);
181 if ( $this->mTimestamp
!== '' ) {
182 $this->showRevision( $this->mTimestamp
);
183 } elseif ( $this->mFilename
!== null && $this->mTargetObj
->inNamespace( NS_FILE
) ) {
184 $file = new ArchivedFile( $this->mTargetObj
, '', $this->mFilename
);
185 // Check if user is allowed to see this file
186 if ( !$file->exists() ) {
187 $out->addWikiMsg( 'filedelete-nofile', $this->mFilename
);
188 } elseif ( !$file->userCan( File
::DELETED_FILE
, $user ) ) {
189 if ( $file->isDeleted( File
::DELETED_RESTRICTED
) ) {
190 throw new PermissionsError( 'suppressrevision' );
192 throw new PermissionsError( 'deletedtext' );
194 } elseif ( !$user->matchEditToken( $this->mToken
, $this->mFilename
) ) {
195 $this->showFileConfirmationForm( $this->mFilename
);
197 $this->showFile( $this->mFilename
);
199 } elseif ( $this->mAction
=== "submit" ) {
200 if ( $this->mRestore
) {
202 } elseif ( $this->mRevdel
) {
203 $this->redirectToRevDel();
207 $this->showHistory();
212 * Convert submitted form data to format expected by RevisionDelete and
213 * redirect the request
215 private function redirectToRevDel() {
216 $archive = new PageArchive( $this->mTargetObj
);
220 foreach ( $this->getRequest()->getValues() as $key => $val ) {
222 if ( preg_match( "/^ts(\d{14})$/", $key, $matches ) ) {
223 $revisions[ $archive->getRevision( $matches[1] )->getId() ] = 1;
227 "type" => "revision",
229 "target" => $this->mTargetObj
->getPrefixedText()
231 $url = SpecialPage
::getTitleFor( 'Revisiondelete' )->getFullURL( $query );
232 $this->getOutput()->redirect( $url );
235 function showSearchForm() {
236 $out = $this->getOutput();
237 $out->setPageTitle( $this->msg( 'undelete-search-title' ) );
238 $fuzzySearch = $this->getRequest()->getVal( 'fuzzy', false );
242 $fields[] = new OOUI\
ActionFieldLayout(
243 new OOUI\
TextInputWidget( [
245 'inputId' => 'prefix',
247 'value' => $this->mSearchPrefix
,
250 new OOUI\
ButtonInputWidget( [
251 'label' => $this->msg( 'undelete-search-submit' )->text(),
252 'flags' => [ 'primary', 'progressive' ],
253 'inputId' => 'searchUndelete',
257 'label' => new OOUI\
HtmlSnippet(
259 $fuzzySearch ?
'undelete-search-full' : 'undelete-search-prefix'
266 $fieldset = new OOUI\
FieldsetLayout( [
267 'label' => $this->msg( 'undelete-search-box' )->text(),
271 $form = new OOUI\
FormLayout( [
273 'action' => wfScript(),
276 $form->appendContent(
278 new OOUI\
HtmlSnippet(
279 Html
::hidden( 'title', $this->getPageTitle()->getPrefixedDBkey() ) .
280 Html
::hidden( 'fuzzy', $this->getRequest()->getVal( 'fuzzy' ) )
285 new OOUI\
PanelLayout( [
293 # List undeletable articles
294 if ( $this->mSearchPrefix
) {
295 // For now, we enable search engine match only when specifically asked to
296 // by using fuzzy=1 parameter.
297 if ( $fuzzySearch ) {
298 $result = PageArchive
::listPagesBySearch( $this->mSearchPrefix
);
300 $result = PageArchive
::listPagesByPrefix( $this->mSearchPrefix
);
302 $this->showList( $result );
307 * Generic list of deleted pages
309 * @param ResultWrapper $result
312 private function showList( $result ) {
313 $out = $this->getOutput();
315 if ( $result->numRows() == 0 ) {
316 $out->addWikiMsg( 'undelete-no-results' );
321 $out->addWikiMsg( 'undeletepagetext', $this->getLanguage()->formatNum( $result->numRows() ) );
323 $linkRenderer = $this->getLinkRenderer();
324 $undelete = $this->getPageTitle();
325 $out->addHTML( "<ul id='undeleteResultsList'>\n" );
326 foreach ( $result as $row ) {
327 $title = Title
::makeTitleSafe( $row->ar_namespace
, $row->ar_title
);
328 if ( $title !== null ) {
329 $item = $linkRenderer->makeKnownLink(
331 $title->getPrefixedText(),
333 [ 'target' => $title->getPrefixedText() ]
336 // The title is no longer valid, show as text
337 $item = Html
::element(
339 [ 'class' => 'mw-invalidtitle' ],
340 Linker
::getInvalidTitleDescription(
347 $revs = $this->msg( 'undeleterevisions' )->numParams( $row->count
)->parse();
348 $out->addHTML( "<li class='undeleteResult'>{$item} ({$revs})</li>\n" );
351 $out->addHTML( "</ul>\n" );
356 private function showRevision( $timestamp ) {
357 if ( !preg_match( '/[0-9]{14}/', $timestamp ) ) {
361 $archive = new PageArchive( $this->mTargetObj
, $this->getConfig() );
362 if ( !Hooks
::run( 'UndeleteForm::showRevision', [ &$archive, $this->mTargetObj
] ) ) {
365 $rev = $archive->getRevision( $timestamp );
367 $out = $this->getOutput();
368 $user = $this->getUser();
371 $out->addWikiMsg( 'undeleterevision-missing' );
376 if ( $rev->isDeleted( Revision
::DELETED_TEXT
) ) {
377 if ( !$rev->userCan( Revision
::DELETED_TEXT
, $user ) ) {
379 "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
380 $rev->isDeleted( Revision
::DELETED_RESTRICTED
) ?
381 'rev-suppressed-text-permission' : 'rev-deleted-text-permission'
388 "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
389 $rev->isDeleted( Revision
::DELETED_RESTRICTED
) ?
390 'rev-suppressed-text-view' : 'rev-deleted-text-view'
392 $out->addHTML( '<br />' );
393 // and we are allowed to see...
396 if ( $this->mDiff
) {
397 $previousRev = $archive->getPreviousRevision( $timestamp );
398 if ( $previousRev ) {
399 $this->showDiff( $previousRev, $rev );
400 if ( $this->mDiffOnly
) {
404 $out->addHTML( '<hr />' );
406 $out->addWikiMsg( 'undelete-nodiff' );
410 $link = $this->getLinkRenderer()->makeKnownLink(
411 $this->getPageTitle( $this->mTargetObj
->getPrefixedDBkey() ),
412 $this->mTargetObj
->getPrefixedText()
415 $lang = $this->getLanguage();
417 // date and time are separate parameters to facilitate localisation.
418 // $time is kept for backward compat reasons.
419 $time = $lang->userTimeAndDate( $timestamp, $user );
420 $d = $lang->userDate( $timestamp, $user );
421 $t = $lang->userTime( $timestamp, $user );
422 $userLink = Linker
::revUserTools( $rev );
424 $content = $rev->getContent( Revision
::FOR_THIS_USER
, $user );
426 $isText = ( $content instanceof TextContent
);
428 if ( $this->mPreview ||
$isText ) {
429 $openDiv = '<div id="mw-undelete-revision" class="mw-warning">';
431 $openDiv = '<div id="mw-undelete-revision">';
433 $out->addHTML( $openDiv );
435 // Revision delete links
436 if ( !$this->mDiff
) {
437 $revdel = Linker
::getRevDeleteLink( $user, $rev, $this->mTargetObj
);
439 $out->addHTML( "$revdel " );
443 $out->addHTML( $this->msg( 'undelete-revision' )->rawParams( $link )->params(
444 $time )->rawParams( $userLink )->params( $d, $t )->parse() . '</div>' );
446 if ( !Hooks
::run( 'UndeleteShowRevision', [ $this->mTargetObj
, $rev ] ) ) {
450 if ( ( $this->mPreview ||
!$isText ) && $content ) {
451 // NOTE: non-text content has no source view, so always use rendered preview
454 $popts = $out->parserOptions();
455 $popts->setEditSection( false );
457 $pout = $content->getParserOutput( $this->mTargetObj
, $rev->getId(), $popts, true );
458 $out->addParserOutput( $pout );
462 // source view for textual content
463 $sourceView = Xml
::element(
466 'readonly' => 'readonly',
470 $content->getNativeData() . "\n"
473 $previewButton = Xml
::element( 'input', [
476 'value' => $this->msg( 'showpreview' )->text()
483 $diffButton = Xml
::element( 'input', [
486 'value' => $this->msg( 'showdiff' )->text() ] );
490 Xml
::openElement( 'div', [
491 'style' => 'clear: both' ] ) .
492 Xml
::openElement( 'form', [
494 'action' => $this->getPageTitle()->getLocalURL( [ 'action' => 'submit' ] ) ] ) .
495 Xml
::element( 'input', [
498 'value' => $this->mTargetObj
->getPrefixedDBkey() ] ) .
499 Xml
::element( 'input', [
501 'name' => 'timestamp',
502 'value' => $timestamp ] ) .
503 Xml
::element( 'input', [
505 'name' => 'wpEditToken',
506 'value' => $user->getEditToken() ] ) .
509 Xml
::closeElement( 'form' ) .
510 Xml
::closeElement( 'div' )
515 * Build a diff display between this and the previous either deleted
516 * or non-deleted edit.
518 * @param Revision $previousRev
519 * @param Revision $currentRev
520 * @return string HTML
522 function showDiff( $previousRev, $currentRev ) {
523 $diffContext = clone $this->getContext();
524 $diffContext->setTitle( $currentRev->getTitle() );
525 $diffContext->setWikiPage( WikiPage
::factory( $currentRev->getTitle() ) );
527 $diffEngine = $currentRev->getContentHandler()->createDifferenceEngine( $diffContext );
528 $diffEngine->showDiffStyle();
530 $formattedDiff = $diffEngine->generateContentDiffBody(
531 $previousRev->getContent( Revision
::FOR_THIS_USER
, $this->getUser() ),
532 $currentRev->getContent( Revision
::FOR_THIS_USER
, $this->getUser() )
535 $formattedDiff = $diffEngine->addHeader(
537 $this->diffHeader( $previousRev, 'o' ),
538 $this->diffHeader( $currentRev, 'n' )
541 $this->getOutput()->addHTML( "<div>$formattedDiff</div>\n" );
545 * @param Revision $rev
546 * @param string $prefix
549 private function diffHeader( $rev, $prefix ) {
550 $isDeleted = !( $rev->getId() && $rev->getTitle() );
552 /// @todo FIXME: $rev->getTitle() is null for deleted revs...?
553 $targetPage = $this->getPageTitle();
555 'target' => $this->mTargetObj
->getPrefixedText(),
556 'timestamp' => wfTimestamp( TS_MW
, $rev->getTimestamp() )
559 /// @todo FIXME: getId() may return non-zero for deleted revs...
560 $targetPage = $rev->getTitle();
561 $targetQuery = [ 'oldid' => $rev->getId() ];
564 // Add show/hide deletion links if available
565 $user = $this->getUser();
566 $lang = $this->getLanguage();
567 $rdel = Linker
::getRevDeleteLink( $user, $rev, $this->mTargetObj
);
573 $minor = $rev->isMinor() ? ChangesList
::flag( 'minor' ) : '';
575 $tags = wfGetDB( DB_REPLICA
)->selectField(
578 [ 'ts_rev_id' => $rev->getId() ],
581 $tagSummary = ChangeTags
::formatSummaryRow( $tags, 'deleteddiff', $this->getContext() );
583 // FIXME This is reimplementing DifferenceEngine#getRevisionHeader
584 // and partially #showDiffPage, but worse
585 return '<div id="mw-diff-' . $prefix . 'title1"><strong>' .
586 $this->getLinkRenderer()->makeLink(
590 $lang->userTimeAndDate( $rev->getTimestamp(), $user ),
591 $lang->userDate( $rev->getTimestamp(), $user ),
592 $lang->userTime( $rev->getTimestamp(), $user )
598 '<div id="mw-diff-' . $prefix . 'title2">' .
599 Linker
::revUserTools( $rev ) . '<br />' .
601 '<div id="mw-diff-' . $prefix . 'title3">' .
602 $minor . Linker
::revComment( $rev ) . $rdel . '<br />' .
604 '<div id="mw-diff-' . $prefix . 'title5">' .
605 $tagSummary[0] . '<br />' .
610 * Show a form confirming whether a tokenless user really wants to see a file
613 private function showFileConfirmationForm( $key ) {
614 $out = $this->getOutput();
615 $lang = $this->getLanguage();
616 $user = $this->getUser();
617 $file = new ArchivedFile( $this->mTargetObj
, '', $this->mFilename
);
618 $out->addWikiMsg( 'undelete-show-file-confirm',
619 $this->mTargetObj
->getText(),
620 $lang->userDate( $file->getTimestamp(), $user ),
621 $lang->userTime( $file->getTimestamp(), $user ) );
623 Xml
::openElement( 'form', [
625 'action' => $this->getPageTitle()->getLocalURL( [
626 'target' => $this->mTarget
,
628 'token' => $user->getEditToken( $key ),
632 Xml
::submitButton( $this->msg( 'undelete-show-file-submit' )->text() ) .
638 * Show a deleted file version requested by the visitor.
641 private function showFile( $key ) {
642 $this->getOutput()->disable();
644 # We mustn't allow the output to be CDN cached, otherwise
645 # if an admin previews a deleted image, and it's cached, then
646 # a user without appropriate permissions can toddle off and
647 # nab the image, and CDN will serve it
648 $response = $this->getRequest()->response();
649 $response->header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' );
650 $response->header( 'Cache-Control: no-cache, no-store, max-age=0, must-revalidate' );
651 $response->header( 'Pragma: no-cache' );
653 $repo = RepoGroup
::singleton()->getLocalRepo();
654 $path = $repo->getZonePath( 'deleted' ) . '/' . $repo->getDeletedHashPath( $key ) . $key;
655 $repo->streamFile( $path );
658 protected function showHistory() {
659 $this->checkReadOnly();
661 $out = $this->getOutput();
662 if ( $this->mAllowed
) {
663 $out->addModules( 'mediawiki.special.undelete' );
666 "<div class='mw-undelete-pagetitle'>\n$1\n</div>\n",
667 [ 'undeletepagetitle', wfEscapeWikiText( $this->mTargetObj
->getPrefixedText() ) ]
670 $archive = new PageArchive( $this->mTargetObj
, $this->getConfig() );
671 Hooks
::run( 'UndeleteForm::showHistory', [ &$archive, $this->mTargetObj
] );
673 $text = $archive->getLastRevisionText();
674 if( is_null( $text ) ) {
675 $out->addWikiMsg( 'nohistory' );
679 $out->addHTML( '<div class="mw-undelete-history">' );
680 if ( $this->mAllowed
) {
681 $out->addWikiMsg( 'undeletehistory' );
682 $out->addWikiMsg( 'undeleterevdel' );
684 $out->addWikiMsg( 'undeletehistorynoadmin' );
686 $out->addHTML( '</div>' );
688 # List all stored revisions
689 $revisions = $archive->listRevisions();
690 $files = $archive->listFiles();
692 $haveRevisions = $revisions && $revisions->numRows() > 0;
693 $haveFiles = $files && $files->numRows() > 0;
695 # Batch existence check on user and talk pages
696 if ( $haveRevisions ) {
697 $batch = new LinkBatch();
698 foreach ( $revisions as $row ) {
699 $batch->addObj( Title
::makeTitleSafe( NS_USER
, $row->ar_user_text
) );
700 $batch->addObj( Title
::makeTitleSafe( NS_USER_TALK
, $row->ar_user_text
) );
703 $revisions->seek( 0 );
706 $batch = new LinkBatch();
707 foreach ( $files as $row ) {
708 $batch->addObj( Title
::makeTitleSafe( NS_USER
, $row->fa_user_text
) );
709 $batch->addObj( Title
::makeTitleSafe( NS_USER_TALK
, $row->fa_user_text
) );
715 if ( $this->mAllowed
) {
718 $action = $this->getPageTitle()->getLocalURL( [ 'action' => 'submit' ] );
719 # Start the form here
720 $form = new OOUI\
FormLayout( [
727 # Show relevant lines from the deletion log:
728 $deleteLogPage = new LogPage( 'delete' );
729 $out->addHTML( Xml
::element( 'h2', null, $deleteLogPage->getName()->text() ) . "\n" );
730 LogEventsList
::showLogExtract( $out, 'delete', $this->mTargetObj
);
731 # Show relevant lines from the suppression log:
732 $suppressLogPage = new LogPage( 'suppress' );
733 if ( $this->getUser()->isAllowed( 'suppressionlog' ) ) {
734 $out->addHTML( Xml
::element( 'h2', null, $suppressLogPage->getName()->text() ) . "\n" );
735 LogEventsList
::showLogExtract( $out, 'suppress', $this->mTargetObj
);
738 if ( $this->mAllowed
&& ( $haveRevisions ||
$haveFiles ) ) {
739 $fields[] = new OOUI\
Layout( [
740 'content' => new OOUI\
HtmlSnippet( $this->msg( 'undeleteextrahelp' )->parseAsBlock() )
743 $fields[] = new OOUI\
FieldLayout(
744 new OOUI\
TextInputWidget( [
745 'name' => 'wpComment',
746 'inputId' => 'wpComment',
748 'value' => $this->mComment
,
752 'label' => $this->msg( 'undeletecomment' )->text(),
757 $fields[] = new OOUI\
FieldLayout(
759 'content' => new OOUI\
HorizontalLayout( [
761 new OOUI\
ButtonInputWidget( [
763 'inputId' => 'mw-undelete-submit',
765 'label' => $this->msg( 'undeletebtn' )->text(),
766 'flags' => [ 'primary', 'progressive' ],
769 new OOUI\
ButtonInputWidget( [
771 'inputId' => 'mw-undelete-invert',
773 'label' => $this->msg( 'undeleteinvert' )->text()
780 if ( $this->getUser()->isAllowed( 'suppressrevision' ) ) {
781 $fields[] = new OOUI\
FieldLayout(
782 new OOUI\
CheckboxInputWidget( [
783 'name' => 'wpUnsuppress',
784 'inputId' => 'mw-undelete-unsuppress',
788 'label' => $this->msg( 'revdelete-unsuppress' )->text(),
794 $fieldset = new OOUI\
FieldsetLayout( [
795 'label' => $this->msg( 'undelete-fieldset-title' )->text(),
796 'id' => 'mw-undelete-table',
800 $form->appendContent(
801 new OOUI\
PanelLayout( [
805 'content' => $fieldset,
807 new OOUI\
HtmlSnippet(
808 Html
::hidden( 'target', $this->mTarget
) .
809 Html
::hidden( 'wpEditToken', $this->getUser()->getEditToken() )
815 $history .= Xml
::element( 'h2', null, $this->msg( 'history' )->text() ) . "\n";
817 if ( $haveRevisions ) {
818 # Show the page's stored (deleted) history
820 if ( $this->getUser()->isAllowed( 'deleterevision' ) ) {
821 $history .= Html
::element(
826 'class' => 'deleterevision-log-submit mw-log-deleterevision-button'
828 $this->msg( 'showhideselectedversions' )->text()
832 $history .= '<ul class="mw-undelete-revlist">';
833 $remaining = $revisions->numRows();
834 $earliestLiveTime = $this->mTargetObj
->getEarliestRevTime();
836 foreach ( $revisions as $row ) {
838 $history .= $this->formatRevisionRow( $row, $earliestLiveTime, $remaining );
843 $out->addWikiMsg( 'nohistory' );
847 $history .= Xml
::element( 'h2', null, $this->msg( 'filehist' )->text() ) . "\n";
848 $history .= '<ul class="mw-undelete-revlist">';
849 foreach ( $files as $row ) {
850 $history .= $this->formatFileRow( $row );
856 if ( $this->mAllowed
) {
857 # Slip in the hidden controls here
858 $misc = Html
::hidden( 'target', $this->mTarget
);
859 $misc .= Html
::hidden( 'wpEditToken', $this->getUser()->getEditToken() );
863 $form->appendContent( new OOUI\
HtmlSnippet( $history ) );
865 $out->addHTML( $form );
870 protected function formatRevisionRow( $row, $earliestLiveTime, $remaining ) {
871 $rev = Revision
::newFromArchiveRow( $row,
873 'title' => $this->mTargetObj
877 $ts = wfTimestamp( TS_MW
, $row->ar_timestamp
);
878 // Build checkboxen...
879 if ( $this->mAllowed
) {
880 if ( $this->mInvert
) {
881 if ( in_array( $ts, $this->mTargetTimestamp
) ) {
882 $checkBox = Xml
::check( "ts$ts" );
884 $checkBox = Xml
::check( "ts$ts", true );
887 $checkBox = Xml
::check( "ts$ts" );
893 // Build page & diff links...
894 $user = $this->getUser();
895 if ( $this->mCanView
) {
896 $titleObj = $this->getPageTitle();
898 if ( !$rev->userCan( Revision
::DELETED_TEXT
, $this->getUser() ) ) {
899 $pageLink = htmlspecialchars( $this->getLanguage()->userTimeAndDate( $ts, $user ) );
900 $last = $this->msg( 'diff' )->escaped();
901 } elseif ( $remaining > 0 ||
( $earliestLiveTime && $ts > $earliestLiveTime ) ) {
902 $pageLink = $this->getPageLink( $rev, $titleObj, $ts );
903 $last = $this->getLinkRenderer()->makeKnownLink(
905 $this->msg( 'diff' )->text(),
908 'target' => $this->mTargetObj
->getPrefixedText(),
914 $pageLink = $this->getPageLink( $rev, $titleObj, $ts );
915 $last = $this->msg( 'diff' )->escaped();
918 $pageLink = htmlspecialchars( $this->getLanguage()->userTimeAndDate( $ts, $user ) );
919 $last = $this->msg( 'diff' )->escaped();
923 $userLink = Linker
::revUserTools( $rev );
926 $minor = $rev->isMinor() ? ChangesList
::flag( 'minor' ) : '';
928 // Revision text size
929 $size = $row->ar_len
;
930 if ( !is_null( $size ) ) {
931 $revTextSize = Linker
::formatRevisionSize( $size );
935 $comment = Linker
::revComment( $rev );
939 list( $tagSummary, $classes ) = ChangeTags
::formatSummaryRow(
945 $attribs['class'] = implode( ' ', $classes );
948 $revisionRow = $this->msg( 'undelete-revision-row2' )
961 return Xml
::tags( 'li', $attribs, $revisionRow ) . "\n";
964 private function formatFileRow( $row ) {
965 $file = ArchivedFile
::newFromRow( $row );
966 $ts = wfTimestamp( TS_MW
, $row->fa_timestamp
);
967 $user = $this->getUser();
970 if ( $this->mCanView
&& $row->fa_storage_key
) {
971 if ( $this->mAllowed
) {
972 $checkBox = Xml
::check( 'fileid' . $row->fa_id
);
974 $key = urlencode( $row->fa_storage_key
);
975 $pageLink = $this->getFileLink( $file, $this->getPageTitle(), $ts, $key );
977 $pageLink = $this->getLanguage()->userTimeAndDate( $ts, $user );
979 $userLink = $this->getFileUser( $file );
980 $data = $this->msg( 'widthheight' )->numParams( $row->fa_width
, $row->fa_height
)->text();
981 $bytes = $this->msg( 'parentheses' )
982 ->rawParams( $this->msg( 'nbytes' )->numParams( $row->fa_size
)->text() )
984 $data = htmlspecialchars( $data . ' ' . $bytes );
985 $comment = $this->getFileComment( $file );
987 // Add show/hide deletion links if available
988 $canHide = $this->isAllowed( 'deleterevision' );
989 if ( $canHide ||
( $file->getVisibility() && $this->isAllowed( 'deletedhistory' ) ) ) {
990 if ( !$file->userCan( File
::DELETED_RESTRICTED
, $user ) ) {
991 // Revision was hidden from sysops
992 $revdlink = Linker
::revDeleteLinkDisabled( $canHide );
995 'type' => 'filearchive',
996 'target' => $this->mTargetObj
->getPrefixedDBkey(),
999 $revdlink = Linker
::revDeleteLink( $query,
1000 $file->isDeleted( File
::DELETED_RESTRICTED
), $canHide );
1006 return "<li>$checkBox $revdlink $pageLink . . $userLink $data $comment</li>\n";
1010 * Fetch revision text link if it's available to all users
1012 * @param Revision $rev
1013 * @param Title $titleObj
1014 * @param string $ts Timestamp
1017 function getPageLink( $rev, $titleObj, $ts ) {
1018 $user = $this->getUser();
1019 $time = $this->getLanguage()->userTimeAndDate( $ts, $user );
1021 if ( !$rev->userCan( Revision
::DELETED_TEXT
, $user ) ) {
1022 return '<span class="history-deleted">' . $time . '</span>';
1025 $link = $this->getLinkRenderer()->makeKnownLink(
1030 'target' => $this->mTargetObj
->getPrefixedText(),
1035 if ( $rev->isDeleted( Revision
::DELETED_TEXT
) ) {
1036 $link = '<span class="history-deleted">' . $link . '</span>';
1043 * Fetch image view link if it's available to all users
1045 * @param File|ArchivedFile $file
1046 * @param Title $titleObj
1047 * @param string $ts A timestamp
1048 * @param string $key A storage key
1050 * @return string HTML fragment
1052 function getFileLink( $file, $titleObj, $ts, $key ) {
1053 $user = $this->getUser();
1054 $time = $this->getLanguage()->userTimeAndDate( $ts, $user );
1056 if ( !$file->userCan( File
::DELETED_FILE
, $user ) ) {
1057 return '<span class="history-deleted">' . $time . '</span>';
1060 $link = $this->getLinkRenderer()->makeKnownLink(
1065 'target' => $this->mTargetObj
->getPrefixedText(),
1067 'token' => $user->getEditToken( $key )
1071 if ( $file->isDeleted( File
::DELETED_FILE
) ) {
1072 $link = '<span class="history-deleted">' . $link . '</span>';
1079 * Fetch file's user id if it's available to this user
1081 * @param File|ArchivedFile $file
1082 * @return string HTML fragment
1084 function getFileUser( $file ) {
1085 if ( !$file->userCan( File
::DELETED_USER
, $this->getUser() ) ) {
1086 return '<span class="history-deleted">' .
1087 $this->msg( 'rev-deleted-user' )->escaped() .
1091 $link = Linker
::userLink( $file->getRawUser(), $file->getRawUserText() ) .
1092 Linker
::userToolLinks( $file->getRawUser(), $file->getRawUserText() );
1094 if ( $file->isDeleted( File
::DELETED_USER
) ) {
1095 $link = '<span class="history-deleted">' . $link . '</span>';
1102 * Fetch file upload comment if it's available to this user
1104 * @param File|ArchivedFile $file
1105 * @return string HTML fragment
1107 function getFileComment( $file ) {
1108 if ( !$file->userCan( File
::DELETED_COMMENT
, $this->getUser() ) ) {
1109 return '<span class="history-deleted"><span class="comment">' .
1110 $this->msg( 'rev-deleted-comment' )->escaped() . '</span></span>';
1113 $link = Linker
::commentBlock( $file->getRawDescription() );
1115 if ( $file->isDeleted( File
::DELETED_COMMENT
) ) {
1116 $link = '<span class="history-deleted">' . $link . '</span>';
1122 function undelete() {
1123 if ( $this->getConfig()->get( 'UploadMaintenance' )
1124 && $this->mTargetObj
->getNamespace() == NS_FILE
1126 throw new ErrorPageError( 'undelete-error', 'filedelete-maintenance' );
1129 $this->checkReadOnly();
1131 $out = $this->getOutput();
1132 $archive = new PageArchive( $this->mTargetObj
, $this->getConfig() );
1133 Hooks
::run( 'UndeleteForm::undelete', [ &$archive, $this->mTargetObj
] );
1134 $ok = $archive->undelete(
1135 $this->mTargetTimestamp
,
1137 $this->mFileVersions
,
1142 if ( is_array( $ok ) ) {
1143 if ( $ok[1] ) { // Undeleted file count
1144 Hooks
::run( 'FileUndeleteComplete', [
1145 $this->mTargetObj
, $this->mFileVersions
,
1146 $this->getUser(), $this->mComment
] );
1149 $link = $this->getLinkRenderer()->makeKnownLink( $this->mTargetObj
);
1150 $out->addHTML( $this->msg( 'undeletedpage' )->rawParams( $link )->parse() );
1152 $out->setPageTitle( $this->msg( 'undelete-error' ) );
1155 // Show revision undeletion warnings and errors
1156 $status = $archive->getRevisionStatus();
1157 if ( $status && !$status->isGood() ) {
1158 $out->addWikiText( '<div class="error" id="mw-error-cannotundelete">' .
1159 $status->getWikiText(
1166 // Show file undeletion warnings and errors
1167 $status = $archive->getFileStatus();
1168 if ( $status && !$status->isGood() ) {
1169 $out->addWikiText( '<div class="error">' .
1170 $status->getWikiText(
1171 'undelete-error-short',
1172 'undelete-error-long'
1179 * Return an array of subpages beginning with $search that this special page will accept.
1181 * @param string $search Prefix to search for
1182 * @param int $limit Maximum number of results to return (usually 10)
1183 * @param int $offset Number of results to skip (usually 0)
1184 * @return string[] Matching subpages
1186 public function prefixSearchSubpages( $search, $limit, $offset ) {
1187 return $this->prefixSearchString( $search, $limit, $offset );
1190 protected function getGroupName() {