From e477cb42a77ab74759163118e935d5f6cfe98a2f Mon Sep 17 00:00:00 2001
From: Thaddee Tyl <thaddee.tyl@gmail.com>
Date: Sat, 29 Aug 2015 14:00:33 +0200
Subject: [PATCH] Reuse sent cache-control for /badge/

---
 server.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/server.js b/server.js
index b6e5eb7..085dcf3 100644
--- a/server.js
+++ b/server.js
@@ -4125,9 +4125,13 @@ function(data, match, end, ask) {
     incrMonthlyAnalytics(analytics.rawFlatSquareMonthly);
   }
 
-  // Cache management - the badge is constant.
-  var cacheDuration = (3600*24*1)|0;    // 1 day.
-  ask.res.setHeader('Cache-Control', 'public, max-age=' + cacheDuration);
+  if (ask.req.headers['cache-control']) {
+    ask.res.setHeader('Cache-Control', ask.req.headers['cache-control']);
+  } else {
+    // Cache management - the badge is constant.
+    var cacheDuration = (3600*24*1)|0;    // 1 day.
+    ask.res.setHeader('Cache-Control', 'public, max-age=' + cacheDuration);
+  }
   if (+(new Date(ask.req.headers['if-modified-since'])) >= +serverStartTime) {
     ask.res.statusCode = 304;
     ask.res.end();  // not modified.