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 MediaWiki\MediaWikiServices
;
25 use Wikimedia\Rdbms\ResultWrapper
;
28 * Special page allowing users with the appropriate permissions to view
29 * and restore deleted content.
31 * @ingroup SpecialPage
33 class SpecialUndelete
extends SpecialPage
{
41 private $mTargetTimestamp;
50 * @var string Search prefix
52 private $mSearchPrefix;
54 function __construct() {
55 parent
::__construct( 'Undelete', 'deletedhistory' );
58 public function doesWrites() {
62 function loadRequest( $par ) {
63 $request = $this->getRequest();
64 $user = $this->getUser();
66 $this->mAction
= $request->getVal( 'action' );
67 if ( $par !== null && $par !== '' ) {
68 $this->mTarget
= $par;
70 $this->mTarget
= $request->getVal( 'target' );
73 $this->mTargetObj
= null;
75 if ( $this->mTarget
!== null && $this->mTarget
!== '' ) {
76 $this->mTargetObj
= Title
::newFromText( $this->mTarget
);
79 $this->mSearchPrefix
= $request->getText( 'prefix' );
80 $time = $request->getVal( 'timestamp' );
81 $this->mTimestamp
= $time ?
wfTimestamp( TS_MW
, $time ) : '';
82 $this->mFilename
= $request->getVal( 'file' );
84 $posted = $request->wasPosted() &&
85 $user->matchEditToken( $request->getVal( 'wpEditToken' ) );
86 $this->mRestore
= $request->getCheck( 'restore' ) && $posted;
87 $this->mRevdel
= $request->getCheck( 'revdel' ) && $posted;
88 $this->mInvert
= $request->getCheck( 'invert' ) && $posted;
89 $this->mPreview
= $request->getCheck( 'preview' ) && $posted;
90 $this->mDiff
= $request->getCheck( 'diff' );
91 $this->mDiffOnly
= $request->getBool( 'diffonly', $this->getUser()->getOption( 'diffonly' ) );
92 $this->mComment
= $request->getText( 'wpComment' );
93 $this->mUnsuppress
= $request->getVal( 'wpUnsuppress' ) && $user->isAllowed( 'suppressrevision' );
94 $this->mToken
= $request->getVal( 'token' );
96 if ( $this->isAllowed( 'undelete' ) && !$user->isBlocked() ) {
97 $this->mAllowed
= true; // user can restore
98 $this->mCanView
= true; // user can view content
99 } elseif ( $this->isAllowed( 'deletedtext' ) ) {
100 $this->mAllowed
= false; // user cannot restore
101 $this->mCanView
= true; // user can view content
102 $this->mRestore
= false;
103 } else { // user can only view the list of revisions
104 $this->mAllowed
= false;
105 $this->mCanView
= false;
106 $this->mTimestamp
= '';
107 $this->mRestore
= false;
110 if ( $this->mRestore ||
$this->mInvert
) {
112 $this->mFileVersions
= [];
113 foreach ( $request->getValues() as $key => $val ) {
115 if ( preg_match( '/^ts(\d{14})$/', $key, $matches ) ) {
116 array_push( $timestamps, $matches[1] );
119 if ( preg_match( '/^fileid(\d+)$/', $key, $matches ) ) {
120 $this->mFileVersions
[] = intval( $matches[1] );
123 rsort( $timestamps );
124 $this->mTargetTimestamp
= $timestamps;
129 * Checks whether a user is allowed the permission for the
130 * specific title if one is set.
132 * @param string $permission
136 protected function isAllowed( $permission, User
$user = null ) {
137 $user = $user ?
: $this->getUser();
138 if ( $this->mTargetObj
!== null ) {
139 return $this->mTargetObj
->userCan( $permission, $user );
141 return $user->isAllowed( $permission );
145 function userCanExecute( User
$user ) {
146 return $this->isAllowed( $this->mRestriction
, $user );
149 function execute( $par ) {
150 $this->useTransactionalTimeLimit();
152 $user = $this->getUser();
155 $this->outputHeader();
157 $this->loadRequest( $par );
158 $this->checkPermissions(); // Needs to be after mTargetObj is set
160 $out = $this->getOutput();
162 if ( is_null( $this->mTargetObj
) ) {
163 $out->addWikiMsg( 'undelete-header' );
165 # Not all users can just browse every deleted page from the list
166 if ( $user->isAllowed( 'browsearchive' ) ) {
167 $this->showSearchForm();
173 $this->addHelpLink( 'Help:Undelete' );
174 if ( $this->mAllowed
) {
175 $out->setPageTitle( $this->msg( 'undeletepage' ) );
177 $out->setPageTitle( $this->msg( 'viewdeletedpage' ) );
180 $this->getSkin()->setRelevantTitle( $this->mTargetObj
);
182 if ( $this->mTimestamp
!== '' ) {
183 $this->showRevision( $this->mTimestamp
);
184 } elseif ( $this->mFilename
!== null && $this->mTargetObj
->inNamespace( NS_FILE
) ) {
185 $file = new ArchivedFile( $this->mTargetObj
, '', $this->mFilename
);
186 // Check if user is allowed to see this file
187 if ( !$file->exists() ) {
188 $out->addWikiMsg( 'filedelete-nofile', $this->mFilename
);
189 } elseif ( !$file->userCan( File
::DELETED_FILE
, $user ) ) {
190 if ( $file->isDeleted( File
::DELETED_RESTRICTED
) ) {
191 throw new PermissionsError( 'suppressrevision' );
193 throw new PermissionsError( 'deletedtext' );
195 } elseif ( !$user->matchEditToken( $this->mToken
, $this->mFilename
) ) {
196 $this->showFileConfirmationForm( $this->mFilename
);
198 $this->showFile( $this->mFilename
);
200 } elseif ( $this->mAction
=== "submit" ) {
201 if ( $this->mRestore
) {
203 } elseif ( $this->mRevdel
) {
204 $this->redirectToRevDel();
208 $this->showHistory();
213 * Convert submitted form data to format expected by RevisionDelete and
214 * redirect the request
216 private function redirectToRevDel() {
217 $archive = new PageArchive( $this->mTargetObj
);
221 foreach ( $this->getRequest()->getValues() as $key => $val ) {
223 if ( preg_match( "/^ts(\d{14})$/", $key, $matches ) ) {
224 $revisions[ $archive->getRevision( $matches[1] )->getId() ] = 1;
228 "type" => "revision",
230 "target" => $this->mTargetObj
->getPrefixedText()
232 $url = SpecialPage
::getTitleFor( 'Revisiondelete' )->getFullURL( $query );
233 $this->getOutput()->redirect( $url );
236 function showSearchForm() {
237 $out = $this->getOutput();
238 $out->setPageTitle( $this->msg( 'undelete-search-title' ) );
240 Xml
::openElement( 'form', [ 'method' => 'get', 'action' => wfScript() ] ) .
241 Xml
::fieldset( $this->msg( 'undelete-search-box' )->text() ) .
242 Html
::hidden( 'title', $this->getPageTitle()->getPrefixedDBkey() ) .
243 Html
::hidden( 'fuzzy', $this->getRequest()->getVal( 'fuzzy' ) ) .
246 [ 'for' => 'prefix' ],
247 $this->msg( 'undelete-search-prefix' )->parse()
252 $this->mSearchPrefix
,
253 [ 'id' => 'prefix', 'autofocus' => '' ]
257 $this->msg( 'undelete-search-submit' )->text(),
258 [ 'id' => 'searchUndelete' ]
260 Xml
::closeElement( 'fieldset' ) .
261 Xml
::closeElement( 'form' )
264 # List undeletable articles
265 if ( $this->mSearchPrefix
) {
266 // For now, we enable search engine match only when specifically asked to
267 // by using fuzzy=1 parameter.
268 if ( $this->getRequest()->getVal( "fuzzy", false ) ) {
269 $result = PageArchive
::listPagesBySearch( $this->mSearchPrefix
);
271 $result = PageArchive
::listPagesByPrefix( $this->mSearchPrefix
);
273 $this->showList( $result );
278 * Generic list of deleted pages
280 * @param ResultWrapper $result
283 private function showList( $result ) {
284 $out = $this->getOutput();
286 if ( $result->numRows() == 0 ) {
287 $out->addWikiMsg( 'undelete-no-results' );
292 $out->addWikiMsg( 'undeletepagetext', $this->getLanguage()->formatNum( $result->numRows() ) );
294 $linkRenderer = $this->getLinkRenderer();
295 $undelete = $this->getPageTitle();
296 $out->addHTML( "<ul id='undeleteResultsList'>\n" );
297 foreach ( $result as $row ) {
298 $title = Title
::makeTitleSafe( $row->ar_namespace
, $row->ar_title
);
299 if ( $title !== null ) {
300 $item = $linkRenderer->makeKnownLink(
302 $title->getPrefixedText(),
304 [ 'target' => $title->getPrefixedText() ]
307 // The title is no longer valid, show as text
308 $item = Html
::element(
310 [ 'class' => 'mw-invalidtitle' ],
311 Linker
::getInvalidTitleDescription(
318 $revs = $this->msg( 'undeleterevisions' )->numParams( $row->count
)->parse();
319 $out->addHTML( "<li class='undeleteResult'>{$item} ({$revs})</li>\n" );
322 $out->addHTML( "</ul>\n" );
327 private function showRevision( $timestamp ) {
328 if ( !preg_match( '/[0-9]{14}/', $timestamp ) ) {
332 $archive = new PageArchive( $this->mTargetObj
, $this->getConfig() );
333 if ( !Hooks
::run( 'UndeleteForm::showRevision', [ &$archive, $this->mTargetObj
] ) ) {
336 $rev = $archive->getRevision( $timestamp );
338 $out = $this->getOutput();
339 $user = $this->getUser();
342 $out->addWikiMsg( 'undeleterevision-missing' );
347 if ( $rev->isDeleted( Revision
::DELETED_TEXT
) ) {
348 if ( !$rev->userCan( Revision
::DELETED_TEXT
, $user ) ) {
350 "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
351 $rev->isDeleted( Revision
::DELETED_RESTRICTED
) ?
352 'rev-suppressed-text-permission' : 'rev-deleted-text-permission'
359 "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
360 $rev->isDeleted( Revision
::DELETED_RESTRICTED
) ?
361 'rev-suppressed-text-view' : 'rev-deleted-text-view'
363 $out->addHTML( '<br />' );
364 // and we are allowed to see...
367 if ( $this->mDiff
) {
368 $previousRev = $archive->getPreviousRevision( $timestamp );
369 if ( $previousRev ) {
370 $this->showDiff( $previousRev, $rev );
371 if ( $this->mDiffOnly
) {
375 $out->addHTML( '<hr />' );
377 $out->addWikiMsg( 'undelete-nodiff' );
381 $link = $this->getLinkRenderer()->makeKnownLink(
382 $this->getPageTitle( $this->mTargetObj
->getPrefixedDBkey() ),
383 $this->mTargetObj
->getPrefixedText()
386 $lang = $this->getLanguage();
388 // date and time are separate parameters to facilitate localisation.
389 // $time is kept for backward compat reasons.
390 $time = $lang->userTimeAndDate( $timestamp, $user );
391 $d = $lang->userDate( $timestamp, $user );
392 $t = $lang->userTime( $timestamp, $user );
393 $userLink = Linker
::revUserTools( $rev );
395 $content = $rev->getContent( Revision
::FOR_THIS_USER
, $user );
397 $isText = ( $content instanceof TextContent
);
399 if ( $this->mPreview ||
$isText ) {
400 $openDiv = '<div id="mw-undelete-revision" class="mw-warning">';
402 $openDiv = '<div id="mw-undelete-revision">';
404 $out->addHTML( $openDiv );
406 // Revision delete links
407 if ( !$this->mDiff
) {
408 $revdel = Linker
::getRevDeleteLink( $user, $rev, $this->mTargetObj
);
410 $out->addHTML( "$revdel " );
414 $out->addHTML( $this->msg( 'undelete-revision' )->rawParams( $link )->params(
415 $time )->rawParams( $userLink )->params( $d, $t )->parse() . '</div>' );
417 if ( !Hooks
::run( 'UndeleteShowRevision', [ $this->mTargetObj
, $rev ] ) ) {
421 if ( ( $this->mPreview ||
!$isText ) && $content ) {
422 // NOTE: non-text content has no source view, so always use rendered preview
425 $popts = $out->parserOptions();
426 $popts->setEditSection( false );
428 $pout = $content->getParserOutput( $this->mTargetObj
, $rev->getId(), $popts, true );
429 $out->addParserOutput( $pout );
433 // source view for textual content
434 $sourceView = Xml
::element(
437 'readonly' => 'readonly',
441 $content->getNativeData() . "\n"
444 $previewButton = Xml
::element( 'input', [
447 'value' => $this->msg( 'showpreview' )->text()
454 $diffButton = Xml
::element( 'input', [
457 'value' => $this->msg( 'showdiff' )->text() ] );
461 Xml
::openElement( 'div', [
462 'style' => 'clear: both' ] ) .
463 Xml
::openElement( 'form', [
465 'action' => $this->getPageTitle()->getLocalURL( [ 'action' => 'submit' ] ) ] ) .
466 Xml
::element( 'input', [
469 'value' => $this->mTargetObj
->getPrefixedDBkey() ] ) .
470 Xml
::element( 'input', [
472 'name' => 'timestamp',
473 'value' => $timestamp ] ) .
474 Xml
::element( 'input', [
476 'name' => 'wpEditToken',
477 'value' => $user->getEditToken() ] ) .
480 Xml
::closeElement( 'form' ) .
481 Xml
::closeElement( 'div' )
486 * Build a diff display between this and the previous either deleted
487 * or non-deleted edit.
489 * @param Revision $previousRev
490 * @param Revision $currentRev
491 * @return string HTML
493 function showDiff( $previousRev, $currentRev ) {
494 $diffContext = clone $this->getContext();
495 $diffContext->setTitle( $currentRev->getTitle() );
496 $diffContext->setWikiPage( WikiPage
::factory( $currentRev->getTitle() ) );
498 $diffEngine = $currentRev->getContentHandler()->createDifferenceEngine( $diffContext );
499 $diffEngine->showDiffStyle();
501 $formattedDiff = $diffEngine->generateContentDiffBody(
502 $previousRev->getContent( Revision
::FOR_THIS_USER
, $this->getUser() ),
503 $currentRev->getContent( Revision
::FOR_THIS_USER
, $this->getUser() )
506 $formattedDiff = $diffEngine->addHeader(
508 $this->diffHeader( $previousRev, 'o' ),
509 $this->diffHeader( $currentRev, 'n' )
512 $this->getOutput()->addHTML( "<div>$formattedDiff</div>\n" );
516 * @param Revision $rev
517 * @param string $prefix
520 private function diffHeader( $rev, $prefix ) {
521 $isDeleted = !( $rev->getId() && $rev->getTitle() );
523 /// @todo FIXME: $rev->getTitle() is null for deleted revs...?
524 $targetPage = $this->getPageTitle();
526 'target' => $this->mTargetObj
->getPrefixedText(),
527 'timestamp' => wfTimestamp( TS_MW
, $rev->getTimestamp() )
530 /// @todo FIXME: getId() may return non-zero for deleted revs...
531 $targetPage = $rev->getTitle();
532 $targetQuery = [ 'oldid' => $rev->getId() ];
535 // Add show/hide deletion links if available
536 $user = $this->getUser();
537 $lang = $this->getLanguage();
538 $rdel = Linker
::getRevDeleteLink( $user, $rev, $this->mTargetObj
);
544 $minor = $rev->isMinor() ? ChangesList
::flag( 'minor' ) : '';
546 $tags = wfGetDB( DB_REPLICA
)->selectField(
549 [ 'ts_rev_id' => $rev->getId() ],
552 $tagSummary = ChangeTags
::formatSummaryRow( $tags, 'deleteddiff', $this->getContext() );
554 // FIXME This is reimplementing DifferenceEngine#getRevisionHeader
555 // and partially #showDiffPage, but worse
556 return '<div id="mw-diff-' . $prefix . 'title1"><strong>' .
557 $this->getLinkRenderer()->makeLink(
561 $lang->userTimeAndDate( $rev->getTimestamp(), $user ),
562 $lang->userDate( $rev->getTimestamp(), $user ),
563 $lang->userTime( $rev->getTimestamp(), $user )
569 '<div id="mw-diff-' . $prefix . 'title2">' .
570 Linker
::revUserTools( $rev ) . '<br />' .
572 '<div id="mw-diff-' . $prefix . 'title3">' .
573 $minor . Linker
::revComment( $rev ) . $rdel . '<br />' .
575 '<div id="mw-diff-' . $prefix . 'title5">' .
576 $tagSummary[0] . '<br />' .
581 * Show a form confirming whether a tokenless user really wants to see a file
584 private function showFileConfirmationForm( $key ) {
585 $out = $this->getOutput();
586 $lang = $this->getLanguage();
587 $user = $this->getUser();
588 $file = new ArchivedFile( $this->mTargetObj
, '', $this->mFilename
);
589 $out->addWikiMsg( 'undelete-show-file-confirm',
590 $this->mTargetObj
->getText(),
591 $lang->userDate( $file->getTimestamp(), $user ),
592 $lang->userTime( $file->getTimestamp(), $user ) );
594 Xml
::openElement( 'form', [
596 'action' => $this->getPageTitle()->getLocalURL( [
597 'target' => $this->mTarget
,
599 'token' => $user->getEditToken( $key ),
603 Xml
::submitButton( $this->msg( 'undelete-show-file-submit' )->text() ) .
609 * Show a deleted file version requested by the visitor.
612 private function showFile( $key ) {
613 $this->getOutput()->disable();
615 # We mustn't allow the output to be CDN cached, otherwise
616 # if an admin previews a deleted image, and it's cached, then
617 # a user without appropriate permissions can toddle off and
618 # nab the image, and CDN will serve it
619 $response = $this->getRequest()->response();
620 $response->header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', 0 ) . ' GMT' );
621 $response->header( 'Cache-Control: no-cache, no-store, max-age=0, must-revalidate' );
622 $response->header( 'Pragma: no-cache' );
624 $repo = RepoGroup
::singleton()->getLocalRepo();
625 $path = $repo->getZonePath( 'deleted' ) . '/' . $repo->getDeletedHashPath( $key ) . $key;
626 $repo->streamFile( $path );
629 protected function showHistory() {
630 $this->checkReadOnly();
632 $out = $this->getOutput();
633 if ( $this->mAllowed
) {
634 $out->addModules( 'mediawiki.special.undelete' );
637 "<div class='mw-undelete-pagetitle'>\n$1\n</div>\n",
638 [ 'undeletepagetitle', wfEscapeWikiText( $this->mTargetObj
->getPrefixedText() ) ]
641 $archive = new PageArchive( $this->mTargetObj
, $this->getConfig() );
642 Hooks
::run( 'UndeleteForm::showHistory', [ &$archive, $this->mTargetObj
] );
644 $text = $archive->getLastRevisionText();
645 if( is_null( $text ) ) {
646 $out->addWikiMsg( 'nohistory' );
650 $out->addHTML( '<div class="mw-undelete-history">' );
651 if ( $this->mAllowed
) {
652 $out->addWikiMsg( 'undeletehistory' );
653 $out->addWikiMsg( 'undeleterevdel' );
655 $out->addWikiMsg( 'undeletehistorynoadmin' );
657 $out->addHTML( '</div>' );
659 # List all stored revisions
660 $revisions = $archive->listRevisions();
661 $files = $archive->listFiles();
663 $haveRevisions = $revisions && $revisions->numRows() > 0;
664 $haveFiles = $files && $files->numRows() > 0;
666 # Batch existence check on user and talk pages
667 if ( $haveRevisions ) {
668 $batch = new LinkBatch();
669 foreach ( $revisions as $row ) {
670 $batch->addObj( Title
::makeTitleSafe( NS_USER
, $row->ar_user_text
) );
671 $batch->addObj( Title
::makeTitleSafe( NS_USER_TALK
, $row->ar_user_text
) );
674 $revisions->seek( 0 );
677 $batch = new LinkBatch();
678 foreach ( $files as $row ) {
679 $batch->addObj( Title
::makeTitleSafe( NS_USER
, $row->fa_user_text
) );
680 $batch->addObj( Title
::makeTitleSafe( NS_USER_TALK
, $row->fa_user_text
) );
686 if ( $this->mAllowed
) {
687 $action = $this->getPageTitle()->getLocalURL( [ 'action' => 'submit' ] );
688 # Start the form here
689 $top = Xml
::openElement(
691 [ 'method' => 'post', 'action' => $action, 'id' => 'undelete' ]
693 $out->addHTML( $top );
696 # Show relevant lines from the deletion log:
697 $deleteLogPage = new LogPage( 'delete' );
698 $out->addHTML( Xml
::element( 'h2', null, $deleteLogPage->getName()->text() ) . "\n" );
699 LogEventsList
::showLogExtract( $out, 'delete', $this->mTargetObj
);
700 # Show relevant lines from the suppression log:
701 $suppressLogPage = new LogPage( 'suppress' );
702 if ( $this->getUser()->isAllowed( 'suppressionlog' ) ) {
703 $out->addHTML( Xml
::element( 'h2', null, $suppressLogPage->getName()->text() ) . "\n" );
704 LogEventsList
::showLogExtract( $out, 'suppress', $this->mTargetObj
);
707 if ( $this->mAllowed
&& ( $haveRevisions ||
$haveFiles ) ) {
708 # Format the user-visible controls (comment field, submission button)
709 # in a nice little table
710 if ( $this->getUser()->isAllowed( 'suppressrevision' ) ) {
714 <td class='mw-input'>" .
715 Xml
::checkLabel( $this->msg( 'revdelete-unsuppress' )->text(),
716 'wpUnsuppress', 'mw-undelete-unsuppress', $this->mUnsuppress
) .
723 $table = Xml
::fieldset( $this->msg( 'undelete-fieldset-title' )->text() ) .
724 Xml
::openElement( 'table', [ 'id' => 'mw-undelete-table' ] ) .
726 <td colspan='2' class='mw-undelete-extrahelp'>" .
727 $this->msg( 'undeleteextrahelp' )->parseAsBlock() .
731 <td class='mw-label'>" .
732 Xml
::label( $this->msg( 'undeletecomment' )->text(), 'wpComment' ) .
734 <td class='mw-input'>" .
739 [ 'id' => 'wpComment', 'autofocus' => '' ]
745 <td class='mw-submit'>" .
747 $this->msg( 'undeletebtn' )->text(),
748 [ 'name' => 'restore', 'id' => 'mw-undelete-submit' ]
751 $this->msg( 'undeleteinvert' )->text(),
752 [ 'name' => 'invert', 'id' => 'mw-undelete-invert' ]
757 Xml
::closeElement( 'table' ) .
758 Xml
::closeElement( 'fieldset' );
760 $out->addHTML( $table );
763 $out->addHTML( Xml
::element( 'h2', null, $this->msg( 'history' )->text() ) . "\n" );
765 if ( $haveRevisions ) {
766 # Show the page's stored (deleted) history
768 if ( $this->getUser()->isAllowed( 'deleterevision' ) ) {
769 $out->addHTML( Html
::element(
774 'class' => 'deleterevision-log-submit mw-log-deleterevision-button'
776 $this->msg( 'showhideselectedversions' )->text()
780 $out->addHTML( '<ul>' );
781 $remaining = $revisions->numRows();
782 $earliestLiveTime = $this->mTargetObj
->getEarliestRevTime();
784 foreach ( $revisions as $row ) {
786 $out->addHTML( $this->formatRevisionRow( $row, $earliestLiveTime, $remaining ) );
789 $out->addHTML( '</ul>' );
791 $out->addWikiMsg( 'nohistory' );
795 $out->addHTML( Xml
::element( 'h2', null, $this->msg( 'filehist' )->text() ) . "\n" );
796 $out->addHTML( '<ul>' );
797 foreach ( $files as $row ) {
798 $out->addHTML( $this->formatFileRow( $row ) );
801 $out->addHTML( '</ul>' );
804 if ( $this->mAllowed
) {
805 # Slip in the hidden controls here
806 $misc = Html
::hidden( 'target', $this->mTarget
);
807 $misc .= Html
::hidden( 'wpEditToken', $this->getUser()->getEditToken() );
808 $misc .= Xml
::closeElement( 'form' );
809 $out->addHTML( $misc );
815 protected function formatRevisionRow( $row, $earliestLiveTime, $remaining ) {
816 $rev = Revision
::newFromArchiveRow( $row,
818 'title' => $this->mTargetObj
822 $ts = wfTimestamp( TS_MW
, $row->ar_timestamp
);
823 // Build checkboxen...
824 if ( $this->mAllowed
) {
825 if ( $this->mInvert
) {
826 if ( in_array( $ts, $this->mTargetTimestamp
) ) {
827 $checkBox = Xml
::check( "ts$ts" );
829 $checkBox = Xml
::check( "ts$ts", true );
832 $checkBox = Xml
::check( "ts$ts" );
838 // Build page & diff links...
839 $user = $this->getUser();
840 if ( $this->mCanView
) {
841 $titleObj = $this->getPageTitle();
843 if ( !$rev->userCan( Revision
::DELETED_TEXT
, $this->getUser() ) ) {
844 $pageLink = htmlspecialchars( $this->getLanguage()->userTimeAndDate( $ts, $user ) );
845 $last = $this->msg( 'diff' )->escaped();
846 } elseif ( $remaining > 0 ||
( $earliestLiveTime && $ts > $earliestLiveTime ) ) {
847 $pageLink = $this->getPageLink( $rev, $titleObj, $ts );
848 $last = $this->getLinkRenderer()->makeKnownLink(
850 $this->msg( 'diff' )->text(),
853 'target' => $this->mTargetObj
->getPrefixedText(),
859 $pageLink = $this->getPageLink( $rev, $titleObj, $ts );
860 $last = $this->msg( 'diff' )->escaped();
863 $pageLink = htmlspecialchars( $this->getLanguage()->userTimeAndDate( $ts, $user ) );
864 $last = $this->msg( 'diff' )->escaped();
868 $userLink = Linker
::revUserTools( $rev );
871 $minor = $rev->isMinor() ? ChangesList
::flag( 'minor' ) : '';
873 // Revision text size
874 $size = $row->ar_len
;
875 if ( !is_null( $size ) ) {
876 $revTextSize = Linker
::formatRevisionSize( $size );
880 $comment = Linker
::revComment( $rev );
884 list( $tagSummary, $classes ) = ChangeTags
::formatSummaryRow(
890 $attribs['class'] = implode( ' ', $classes );
893 $revisionRow = $this->msg( 'undelete-revision-row2' )
906 return Xml
::tags( 'li', $attribs, $revisionRow ) . "\n";
909 private function formatFileRow( $row ) {
910 $file = ArchivedFile
::newFromRow( $row );
911 $ts = wfTimestamp( TS_MW
, $row->fa_timestamp
);
912 $user = $this->getUser();
915 if ( $this->mCanView
&& $row->fa_storage_key
) {
916 if ( $this->mAllowed
) {
917 $checkBox = Xml
::check( 'fileid' . $row->fa_id
);
919 $key = urlencode( $row->fa_storage_key
);
920 $pageLink = $this->getFileLink( $file, $this->getPageTitle(), $ts, $key );
922 $pageLink = $this->getLanguage()->userTimeAndDate( $ts, $user );
924 $userLink = $this->getFileUser( $file );
925 $data = $this->msg( 'widthheight' )->numParams( $row->fa_width
, $row->fa_height
)->text();
926 $bytes = $this->msg( 'parentheses' )
927 ->rawParams( $this->msg( 'nbytes' )->numParams( $row->fa_size
)->text() )
929 $data = htmlspecialchars( $data . ' ' . $bytes );
930 $comment = $this->getFileComment( $file );
932 // Add show/hide deletion links if available
933 $canHide = $this->isAllowed( 'deleterevision' );
934 if ( $canHide ||
( $file->getVisibility() && $this->isAllowed( 'deletedhistory' ) ) ) {
935 if ( !$file->userCan( File
::DELETED_RESTRICTED
, $user ) ) {
936 // Revision was hidden from sysops
937 $revdlink = Linker
::revDeleteLinkDisabled( $canHide );
940 'type' => 'filearchive',
941 'target' => $this->mTargetObj
->getPrefixedDBkey(),
944 $revdlink = Linker
::revDeleteLink( $query,
945 $file->isDeleted( File
::DELETED_RESTRICTED
), $canHide );
951 return "<li>$checkBox $revdlink $pageLink . . $userLink $data $comment</li>\n";
955 * Fetch revision text link if it's available to all users
957 * @param Revision $rev
958 * @param Title $titleObj
959 * @param string $ts Timestamp
962 function getPageLink( $rev, $titleObj, $ts ) {
963 $user = $this->getUser();
964 $time = $this->getLanguage()->userTimeAndDate( $ts, $user );
966 if ( !$rev->userCan( Revision
::DELETED_TEXT
, $user ) ) {
967 return '<span class="history-deleted">' . $time . '</span>';
970 $link = $this->getLinkRenderer()->makeKnownLink(
975 'target' => $this->mTargetObj
->getPrefixedText(),
980 if ( $rev->isDeleted( Revision
::DELETED_TEXT
) ) {
981 $link = '<span class="history-deleted">' . $link . '</span>';
988 * Fetch image view link if it's available to all users
990 * @param File|ArchivedFile $file
991 * @param Title $titleObj
992 * @param string $ts A timestamp
993 * @param string $key A storage key
995 * @return string HTML fragment
997 function getFileLink( $file, $titleObj, $ts, $key ) {
998 $user = $this->getUser();
999 $time = $this->getLanguage()->userTimeAndDate( $ts, $user );
1001 if ( !$file->userCan( File
::DELETED_FILE
, $user ) ) {
1002 return '<span class="history-deleted">' . $time . '</span>';
1005 $link = $this->getLinkRenderer()->makeKnownLink(
1010 'target' => $this->mTargetObj
->getPrefixedText(),
1012 'token' => $user->getEditToken( $key )
1016 if ( $file->isDeleted( File
::DELETED_FILE
) ) {
1017 $link = '<span class="history-deleted">' . $link . '</span>';
1024 * Fetch file's user id if it's available to this user
1026 * @param File|ArchivedFile $file
1027 * @return string HTML fragment
1029 function getFileUser( $file ) {
1030 if ( !$file->userCan( File
::DELETED_USER
, $this->getUser() ) ) {
1031 return '<span class="history-deleted">' .
1032 $this->msg( 'rev-deleted-user' )->escaped() .
1036 $link = Linker
::userLink( $file->getRawUser(), $file->getRawUserText() ) .
1037 Linker
::userToolLinks( $file->getRawUser(), $file->getRawUserText() );
1039 if ( $file->isDeleted( File
::DELETED_USER
) ) {
1040 $link = '<span class="history-deleted">' . $link . '</span>';
1047 * Fetch file upload comment if it's available to this user
1049 * @param File|ArchivedFile $file
1050 * @return string HTML fragment
1052 function getFileComment( $file ) {
1053 if ( !$file->userCan( File
::DELETED_COMMENT
, $this->getUser() ) ) {
1054 return '<span class="history-deleted"><span class="comment">' .
1055 $this->msg( 'rev-deleted-comment' )->escaped() . '</span></span>';
1058 $link = Linker
::commentBlock( $file->getRawDescription() );
1060 if ( $file->isDeleted( File
::DELETED_COMMENT
) ) {
1061 $link = '<span class="history-deleted">' . $link . '</span>';
1067 function undelete() {
1068 if ( $this->getConfig()->get( 'UploadMaintenance' )
1069 && $this->mTargetObj
->getNamespace() == NS_FILE
1071 throw new ErrorPageError( 'undelete-error', 'filedelete-maintenance' );
1074 $this->checkReadOnly();
1076 $out = $this->getOutput();
1077 $archive = new PageArchive( $this->mTargetObj
, $this->getConfig() );
1078 Hooks
::run( 'UndeleteForm::undelete', [ &$archive, $this->mTargetObj
] );
1079 $ok = $archive->undelete(
1080 $this->mTargetTimestamp
,
1082 $this->mFileVersions
,
1087 if ( is_array( $ok ) ) {
1088 if ( $ok[1] ) { // Undeleted file count
1089 Hooks
::run( 'FileUndeleteComplete', [
1090 $this->mTargetObj
, $this->mFileVersions
,
1091 $this->getUser(), $this->mComment
] );
1094 $link = $this->getLinkRenderer()->makeKnownLink( $this->mTargetObj
);
1095 $out->addHTML( $this->msg( 'undeletedpage' )->rawParams( $link )->parse() );
1097 $out->setPageTitle( $this->msg( 'undelete-error' ) );
1100 // Show revision undeletion warnings and errors
1101 $status = $archive->getRevisionStatus();
1102 if ( $status && !$status->isGood() ) {
1104 "<div class=\"error\" id=\"mw-error-cannotundelete\">\n$1\n</div>",
1109 // Show file undeletion warnings and errors
1110 $status = $archive->getFileStatus();
1111 if ( $status && !$status->isGood() ) {
1112 $out->addWikiText( '<div class="error">' .
1113 $status->getWikiText(
1114 'undelete-error-short',
1115 'undelete-error-long'
1122 * Return an array of subpages beginning with $search that this special page will accept.
1124 * @param string $search Prefix to search for
1125 * @param int $limit Maximum number of results to return (usually 10)
1126 * @param int $offset Number of results to skip (usually 0)
1127 * @return string[] Matching subpages
1129 public function prefixSearchSubpages( $search, $limit, $offset ) {
1130 return $this->prefixSearchString( $search, $limit, $offset );
1133 protected function getGroupName() {