From 9110a45cfa9a536795fd3cbca92d1c1b4dc61d59 Mon Sep 17 00:00:00 2001
From: "through.a.haze" <through.a.haze@gmail.com>
Date: Fri, 6 Nov 2020 14:19:18 +0200
Subject: [PATCH] fix: correctly assign username to X509 auth command (#2587)

A typo resulted in a provided username not being properly assigned to the command
send to the server when using X509 authentication.

NODE-2869
---
 lib/core/auth/x509.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/core/auth/x509.js b/lib/core/auth/x509.js
index 57a5c55009..4dafa3c6ce 100644
--- a/lib/core/auth/x509.js
+++ b/lib/core/auth/x509.js
@@ -26,7 +26,7 @@ class X509 extends AuthProvider {
 function x509AuthenticateCommand(credentials) {
   const command = { authenticate: 1, mechanism: 'MONGODB-X509' };
   if (credentials.username) {
-    Object.apply(command, { user: credentials.username });
+    Object.assign(command, { user: credentials.username });
   }
 
   return command;