Prevent caching the outdated browser message in a shared cache (#5076)

plone · Aug 10, 2023 · 6c65e03 · 6c65e03
1 parent af06c6f
commit 6c65e03
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diff --git a/news/5076.bugfix b/news/5076.bugfix
@@ -0,0 +1 @@
+Prevent caching the outdated browser message in a shared cache. @davisagli
diff --git a/src/server.jsx b/src/server.jsx
@@ -263,6 +263,15 @@ server.get('/*', (req, res) => {
       const readCriticalCss =
         config.settings.serverConfig.readCriticalCss || defaultReadCriticalCss;
 
+      // If we are showing an "old browser" warning,
+      // make sure it doesn't get cached in a shared cache
+      const browserdetect = store.getState().browserdetect;
+      if (config.settings.notSupportedBrowsers.includes(browserdetect?.name)) {
+        res.set({
+          'Cache-Control': 'private',
+        });
+      }
+
       if (context.url) {
         res.redirect(flattenToAppURL(context.url));
       } else if (context.error_code) {
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Prevent caching the outdated browser message in a shared cache. @davisagli