From 193f333a3865d248f6f88444bba58e0b5225b041 Mon Sep 17 00:00:00 2001
From: Aaron Schulz <aaron@users.mediawiki.org>
Date: Sat, 10 Oct 2009 02:48:19 +0000
Subject: [PATCH] blank invalid usernames for "revision author" field too

---
 includes/LogEventsList.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/includes/LogEventsList.php b/includes/LogEventsList.php
index 43502149b4..8f08a06847 100644
--- a/includes/LogEventsList.php
+++ b/includes/LogEventsList.php
@@ -242,9 +242,14 @@ class LogEventsList {
 	
 	private function getExtraInputs( $types ) {
 		global $wgRequest;
+		$offender = $wgRequest->getVal('offender');
+		$user = User::newFromName( $offender, false );
+		if( !$user || ($user->getId() == 0 && !IP::isIPAddress($offender) ) ) {
+			$offender = ''; // Blank field if invalid
+		}
 		if( count($types) == 1 && $types[0] == 'suppress' ) {
 			return Xml::inputLabel( wfMsg('revdelete-offender'), 'offender',
-				'mw-log-offender', 20, $wgRequest->getVal('offender') );
+				'mw-log-offender', 20, $offender );
 		}
 		return '';
 	}
-- 
2.20.1