From 83dfab56c1ea5b0d71b05bd2f4634f0a3e30a482 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=83=B3=E5=BD=93=E5=BD=93?= <donghua.yan@alipay.com>
Date: Wed, 27 Aug 2014 00:47:52 +0800
Subject: [PATCH] Disable caching

---
 lib/requestHandler.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/requestHandler.js b/lib/requestHandler.js
index 211798d..31ee562 100644
--- a/lib/requestHandler.js
+++ b/lib/requestHandler.js
@@ -227,6 +227,13 @@ function mergeCORSHeader(reqHeader,originHeader){
     targetObj["access-control-allow-methods"]     = "GET, POST, PUT";
     targetObj["access-control-allow-headers"]     = reqHeader['access-control-request-headers'] || "-___-||";
 
+    // Disable caching
+    // If the response status is 304 not modified, the data event of response will not emmit
+    targetObj["Transfer-Encoding"]                = "chunked"
+    targetObj["Cache-Control"]                    = "no-cache, no-store, must-revalidate";
+    targetObj["Pragma"]                           = "no-cache";
+    targetObj["Expires"]                          = 0;
+
     return targetObj;
 }