maintenance/rollbackEdits.php

   1 <?php
   2 /**
   3  * Rollback all edits by a given user or IP provided they're the most
   4  * recent edit (just like real rollback)
   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 /**
  28  * Maintenance script to rollback all edits by a given user or IP provided
  29  * they're the most recent edit.
  30  *
  31  * @ingroup Maintenance
  32  */
  33 class RollbackEdits extends Maintenance {
  34         public function __construct() {
  35                 parent::__construct();
  36                 $this->addDescription(
  37                         "Rollback all edits by a given user or IP provided they're the most recent edit" );
  38                 $this->addOption(
  39                         'titles',
  40                         'A list of titles, none means all titles where the given user is the most recent',
  41                         false,
  42                         true
  43                 );
  44                 $this->addOption( 'user', 'A user or IP to rollback all edits for', true, true );
  45                 $this->addOption( 'summary', 'Edit summary to use', false, true );
  46                 $this->addOption( 'bot', 'Mark the edits as bot' );
  47         }
  48
  49         public function execute() {
  50                 $user = $this->getOption( 'user' );
  51                 $username = User::isIP( $user ) ? $user : User::getCanonicalName( $user );
  52                 if ( !$username ) {
  53                         $this->fatalError( 'Invalid username' );
  54                 }
  55
  56                 $bot = $this->hasOption( 'bot' );
  57                 $summary = $this->getOption( 'summary', $this->mSelf . ' mass rollback' );
  58                 $titles = [];
  59                 $results = [];
  60                 if ( $this->hasOption( 'titles' ) ) {
  61                         foreach ( explode( '|', $this->getOption( 'titles' ) ) as $title ) {
  62                                 $t = Title::newFromText( $title );
  63                                 if ( !$t ) {
  64                                         $this->error( 'Invalid title, ' . $title );
  65                                 } else {
  66                                         $titles[] = $t;
  67                                 }
  68                         }
  69                 } else {
  70                         $titles = $this->getRollbackTitles( $user );
  71                 }
  72
  73                 if ( !$titles ) {
  74                         $this->output( 'No suitable titles to be rolled back' );
  75
  76                         return;
  77                 }
  78
  79                 $doer = User::newSystemUser( 'Maintenance script', [ 'steal' => true ] );
  80
  81                 foreach ( $titles as $t ) {
  82                         $page = WikiPage::factory( $t );
  83                         $this->output( 'Processing ' . $t->getPrefixedText() . '... ' );
  84                         if ( !$page->commitRollback( $user, $summary, $bot, $results, $doer ) ) {
  85                                 $this->output( "done\n" );
  86                         } else {
  87                                 $this->output( "failed\n" );
  88                         }
  89                 }
  90         }
  91
  92         /**
  93          * Get all pages that should be rolled back for a given user
  94          * @param string $user A name to check against
  95          * @return array
  96          */
  97         private function getRollbackTitles( $user ) {
  98                 $dbr = $this->getDB( DB_REPLICA );
  99                 $titles = [];
 100                 $actorQuery = ActorMigration::newMigration()
 101                         ->getWhere( $dbr, 'rev_user', User::newFromName( $user, false ) );
 102                 $results = $dbr->select(
 103                         [ 'page', 'revision' ] + $actorQuery['tables'],
 104                         [ 'page_namespace', 'page_title' ],
 105                         $actorQuery['conds'],
 106                         __METHOD__,
 107                         [],
 108                         [ 'revision' => [ 'JOIN', 'page_latest = rev_id' ] ] + $actorQuery['joins']
 109                 );
 110                 foreach ( $results as $row ) {
 111                         $titles[] = Title::makeTitle( $row->page_namespace, $row->page_title );
 112                 }
 113
 114                 return $titles;
 115         }
 116 }
 117
 118 $maintClass = RollbackEdits::class;
 119 require_once RUN_MAINTENANCE_IF_MAIN;