rollbackEdits.php

Go to the documentation of this file.

<?php
require_once __DIR__ . '/Maintenance.php';
 
class RollbackEdits extends Maintenance {
    public function __construct() {
        parent::__construct();
        $this->addDescription(
            "Rollback all edits by a given user or IP provided they're the most recent edit" );
        $this->addOption(
            'titles',
            'A list of titles, none means all titles where the given user is the most recent',
            false,
            true
        );
        $this->addOption( 'user', 'A user or IP to rollback all edits for', true, true );
        $this->addOption( 'summary', 'Edit summary to use', false, true );
        $this->addOption( 'bot', 'Mark the edits as bot' );
    }
 
    public function execute() {
        $user = $this->getOption( 'user' );
        $username = User::isIP( $user ) ? $user : User::getCanonicalName( $user );
        if ( !$username ) {
            $this->fatalError( 'Invalid username' );
        }
 
        $bot = $this->hasOption( 'bot' );
        $summary = $this->getOption( 'summary', $this->mSelf . ' mass rollback' );
        $titles = [];
        $results = [];
        if ( $this->hasOption( 'titles' ) ) {
            foreach ( explode( '|', $this->getOption( 'titles' ) ) as $title ) {
                $t = Title::newFromText( $title );
                if ( !$t ) {
                    $this->error( 'Invalid title, ' . $title );
                } else {
                    $titles[] = $t;
                }
            }
        } else {
            $titles = $this->getRollbackTitles( $user );
        }
 
        if ( !$titles ) {
            $this->output( 'No suitable titles to be rolled back' );
 
            return;
        }
 
        $doer = User::newSystemUser( 'Maintenance script', [ 'steal' => true ] );
 
        foreach ( $titles as $t ) {
            $page = WikiPage::factory( $t );
            $this->output( 'Processing ' . $t->getPrefixedText() . '... ' );
            if ( !$page->commitRollback( $user, $summary, $bot, $results, $doer ) ) {
                $this->output( "done\n" );
            } else {
                $this->output( "failed\n" );
            }
        }
    }
 
    private function getRollbackTitles( $user ) {
        $dbr = $this->getDB( DB_REPLICA );
        $titles = [];
        $actorQuery = ActorMigration::newMigration()
            ->getWhere( $dbr, 'rev_user', User::newFromName( $user, false ) );
        foreach ( $actorQuery['orconds'] as $cond ) {
            $results = $dbr->select(
                [ 'page', 'revision' ] + $actorQuery['tables'],
                [ 'page_namespace', 'page_title' ],
                [ $cond ],
                __METHOD__,
                [],
                [ 'revision' => [ 'JOIN', 'page_latest = rev_id' ] ] + $actorQuery['joins']
            );
            foreach ( $results as $row ) {
                $titles[] = Title::makeTitle( $row->page_namespace, $row->page_title );
            }
        }
 
        return $titles;
    }
}
 
$maintClass = RollbackEdits::class;
require_once RUN_MAINTENANCE_IF_MAIN;