1 files changed, 121 insertions, 0 deletions
diff --git a/www/wiki/maintenance/rollbackEdits.php b/www/wiki/maintenance/rollbackEdits.php
new file mode 100644
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+++ b/www/wiki/maintenance/rollbackEdits.php
@@ -0,0 +1,121 @@
+<?php
+/**
+ * Rollback all edits by a given user or IP provided they're the most
+ * recent edit (just like real rollback)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Maintenance
+ */
+
+require_once __DIR__ . '/Maintenance.php';
+
+/**
+ * Maintenance script to rollback all edits by a given user or IP provided
+ * they're the most recent edit.
+ *
+ * @ingroup Maintenance
+ */
+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" );
+			}
+		}
+	}
+
+	/**
+	 * Get all pages that should be rolled back for a given user
+	 * @param string $user A name to check against
+	 * @return array
+	 */
+	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;