1 files changed, 119 insertions, 0 deletions
diff --git a/www/wiki/maintenance/resetUserTokens.php b/www/wiki/maintenance/resetUserTokens.php
new file mode 100644
index 00000000..284db2c2
--- /dev/null
+++ b/www/wiki/maintenance/resetUserTokens.php
@@ -0,0 +1,119 @@
+<?php
+/**
+ * Reset the user_token for all users on the wiki. Useful if you believe
+ * that your user table was acidentally leaked to an external source.
+ *
+ * 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
+ * @author Daniel Friesen <mediawiki@danielfriesen.name>
+ * @author Chris Steipp <csteipp@wikimedia.org>
+ */
+
+require_once __DIR__ . '/Maintenance.php';
+
+/**
+ * Maintenance script to reset the user_token for all users on the wiki.
+ *
+ * @ingroup Maintenance
+ * @deprecated since 1.27, use $wgAuthenticationTokenVersion instead.
+ */
+class ResetUserTokens extends Maintenance {
+	public function __construct() {
+		parent::__construct();
+		$this->addDescription(
+			"Reset the user_token of all users on the wiki. Note that this may log some of them out.\n"
+			. "Deprecated, use \$wgAuthenticationTokenVersion instead."
+		);
+		$this->addOption( 'nowarn', "Hides the 5 seconds warning", false, false );
+		$this->addOption(
+			'nulls',
+			'Only reset tokens that are currently null (string of \x00\'s)',
+			false,
+			false
+		);
+		$this->setBatchSize( 1000 );
+	}
+
+	public function execute() {
+		$this->nullsOnly = $this->getOption( 'nulls' );
+
+		if ( !$this->getOption( 'nowarn' ) ) {
+			if ( $this->nullsOnly ) {
+				$this->output( "The script is about to reset the user_token "
+					. "for USERS WITH NULL TOKENS in the database.\n" );
+			} else {
+				$this->output( "The script is about to reset the user_token for ALL USERS in the database.\n" );
+				$this->output( "This may log some of them out and is not necessary unless you believe your\n" );
+				$this->output( "user table has been compromised.\n" );
+			}
+			$this->output( "\n" );
+			$this->output( "Abort with control-c in the next five seconds "
+				. "(skip this countdown with --nowarn) ... " );
+			$this->countDown( 5 );
+		}
+
+		// We list user by user_id from one of the replica DBs
+		$dbr = $this->getDB( DB_REPLICA );
+
+		$where = [];
+		if ( $this->nullsOnly ) {
+			// Have to build this by hand, because \ is escaped in helper functions
+			$where = [ 'user_token = \'' . str_repeat( '\0', 32 ) . '\'' ];
+		}
+
+		$maxid = $dbr->selectField( 'user', 'MAX(user_id)', [], __METHOD__ );
+
+		$min = 0;
+		$max = $this->getBatchSize();
+
+		do {
+			$result = $dbr->select( 'user',
+				[ 'user_id' ],
+				array_merge(
+					$where,
+					[ 'user_id > ' . $dbr->addQuotes( $min ),
+						'user_id <= ' . $dbr->addQuotes( $max )
+					]
+				),
+				__METHOD__
+			);
+
+			foreach ( $result as $user ) {
+				$this->updateUser( $user->user_id );
+			}
+
+			$min = $max;
+			$max = $min + $this->getBatchSize();
+
+			wfWaitForSlaves();
+		} while ( $min <= $maxid );
+	}
+
+	private function updateUser( $userid ) {
+		$user = User::newFromId( $userid );
+		$username = $user->getName();
+		$this->output( 'Resetting user_token for "' . $username . '": ' );
+		// Change value
+		$user->setToken();
+		$user->saveSettings();
+		$this->output( " OK\n" );
+	}
+}
+
+$maintClass = ResetUserTokens::class;
+require_once RUN_MAINTENANCE_IF_MAIN;