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1 | <?php |
2 | /** |
3 | * Deletes all pages in the MediaWiki namespace which were last edited by |
4 | * "MediaWiki default". |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation; either version 2 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; if not, write to the Free Software Foundation, Inc., |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
19 | * http://www.gnu.org/copyleft/gpl.html |
20 | * |
21 | * @file |
22 | * @ingroup Maintenance |
23 | */ |
24 | |
25 | require_once __DIR__ . '/Maintenance.php'; |
26 | |
27 | use MediaWiki\StubObject\StubGlobalUser; |
28 | use MediaWiki\Title\Title; |
29 | use MediaWiki\User\ActorMigration; |
30 | use MediaWiki\User\User; |
31 | |
32 | /** |
33 | * Maintenance script that deletes all pages in the MediaWiki namespace |
34 | * which were last edited by "MediaWiki default". |
35 | * |
36 | * @ingroup Maintenance |
37 | */ |
38 | class DeleteDefaultMessages extends Maintenance { |
39 | public function __construct() { |
40 | parent::__construct(); |
41 | $this->addDescription( 'Deletes all pages in the MediaWiki namespace' . |
42 | ' which were last edited by "MediaWiki default"' ); |
43 | $this->addOption( 'dry-run', 'Perform a dry run, delete nothing' ); |
44 | } |
45 | |
46 | public function execute() { |
47 | $services = $this->getServiceContainer(); |
48 | |
49 | $this->output( "Checking existence of old default messages..." ); |
50 | $dbr = $this->getReplicaDB(); |
51 | |
52 | $userFactory = $services->getUserFactory(); |
53 | $actorQuery = ActorMigration::newMigration() |
54 | ->getWhere( $dbr, 'rev_user', $userFactory->newFromName( 'MediaWiki default' ) ); |
55 | |
56 | $res = $dbr->newSelectQueryBuilder() |
57 | ->select( [ 'page_namespace', 'page_title' ] ) |
58 | ->tables( [ 'page', 'revision' ] + $actorQuery['tables'] ) |
59 | ->where( [ |
60 | 'page_namespace' => NS_MEDIAWIKI, |
61 | $actorQuery['conds'], |
62 | ] ) |
63 | ->joinConds( [ 'revision' => [ 'JOIN', 'page_latest=rev_id' ] ] + $actorQuery['joins'] ) |
64 | ->caller( __METHOD__ ) |
65 | ->fetchResultSet(); |
66 | |
67 | if ( $res->numRows() == 0 ) { |
68 | // No more messages left |
69 | $this->output( "done.\n" ); |
70 | return; |
71 | } |
72 | |
73 | $dryrun = $this->hasOption( 'dry-run' ); |
74 | if ( $dryrun ) { |
75 | foreach ( $res as $row ) { |
76 | $title = Title::makeTitle( $row->page_namespace, $row->page_title ); |
77 | $this->output( "\n* [[$title]]" ); |
78 | } |
79 | $this->output( "\n\nRun again without --dry-run to delete these pages.\n" ); |
80 | return; |
81 | } |
82 | |
83 | // Deletions will be made by $user temporarily added to the bot group |
84 | // in order to hide it in RecentChanges. |
85 | $user = User::newSystemUser( 'MediaWiki default', [ 'steal' => true ] ); |
86 | if ( !$user ) { |
87 | $this->fatalError( "Invalid username" ); |
88 | } |
89 | $userGroupManager = $services->getUserGroupManager(); |
90 | $userGroupManager->addUserToGroup( $user, 'bot' ); |
91 | StubGlobalUser::setUser( $user ); |
92 | |
93 | // Handle deletion |
94 | $this->output( "\n...deleting old default messages (this may take a long time!)...", 'msg' ); |
95 | $dbw = $this->getPrimaryDB(); |
96 | |
97 | $wikiPageFactory = $services->getWikiPageFactory(); |
98 | $delPageFactory = $services->getDeletePageFactory(); |
99 | |
100 | foreach ( $res as $row ) { |
101 | $this->waitForReplication(); |
102 | $dbw->ping(); |
103 | $title = Title::makeTitle( $row->page_namespace, $row->page_title ); |
104 | $page = $wikiPageFactory->newFromTitle( $title ); |
105 | // FIXME: Deletion failures should be reported, not silently ignored. |
106 | $delPageFactory->newDeletePage( $page, $user )->deleteUnsafe( 'No longer required' ); |
107 | } |
108 | |
109 | $this->output( "done!\n", 'msg' ); |
110 | } |
111 | } |
112 | |
113 | $maintClass = DeleteDefaultMessages::class; |
114 | require_once RUN_MAINTENANCE_IF_MAIN; |