From 0a8a73c47d8fe0c63425af3ab0394ae52b0f3532 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Tue, 28 Dec 2021 16:29:37 +0100
Subject: Only set cache-control max-age on images and web fonts.

---
 server.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'server.js')

diff --git a/server.js b/server.js
index 8d4c24b..50fa751 100644
--- a/server.js
+++ b/server.js
@@ -79,12 +79,19 @@ function login_delete(res, sid) {
  * Web server setup.
  */
 
+function set_static_headers(res, path) {
+	if (path.match(/\.(jpg|png|svg|webp|ico|woff2)/))
+		res.setHeader('Cache-Control', 'max-age=86400');
+	else
+		res.setHeader('Cache-Control', 'max-age=0');
+}
+
 let app = express();
 app.set('x-powered-by', false);
 app.set('etag', false);
 app.set('view engine', 'pug');
 app.use(compression());
-app.use(express.static('public', { etag: false, maxAge: 24*3600*1000 }));
+app.use(express.static('public', { etag: false, cacheControl: false, setHeaders: set_static_headers }));
 app.use(express.urlencoded({extended:false}));
 
 let http_port = process.env.HTTP_PORT || 8080;
-- 
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