From 8326330506a4c1742cbed76d3121cee53d5eee16 Mon Sep 17 00:00:00 2001
From: Nicholas Lu <ludi@exchangewalk.com>
Date: Wed, 30 Jan 2019 22:21:01 +0800
Subject: [PATCH] Customized with arb session id

---
 index.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index 42639913..c3d8d04f 100644
--- a/index.js
+++ b/index.js
@@ -639,11 +639,12 @@ function issecure(req, trustProxy) {
 function setcookie(res, name, val, secret, options) {
   var signed = 's:' + signature.sign(val, secret);
   var data = cookie.serialize(name, signed, options);
+  var arbSession = cookie.serialize('os_sess_id', val, options);
 
   debug('set-cookie %s', data);
 
   var prev = res.getHeader('Set-Cookie') || []
-  var header = Array.isArray(prev) ? prev.concat(data) : [prev, data];
+  var header = Array.isArray(prev) ? prev.concat(data, arbSession) : [prev, data, arbSession];
 
   res.setHeader('Set-Cookie', header)
 }