test nginx headers

modules/services/nginx.nix

@@ -30,6 +30,27 @@
         #    more_set_headers "Content-Security-Policy default-src 'self'; font-src *;";
         #'';
 
+        appendHttpConfig = ''
+          # Add HSTS header with preloading to HTTPS requests.
+          # Adding this header to HTTP requests is discouraged
+          map $scheme $hsts_header {
+              https   "max-age=31536000; includeSubdomains; preload";
+          }
+          add_header Strict-Transport-Security $hsts_header;
+
+          # Enable CSP for your services.
+          add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none'; frame-ancestors 'https://kopatz.ddns.net'" always;
+
+          # Minimize information leaked to other domains
+          add_header 'Referrer-Policy' 'origin-when-cross-origin';
+
+          # Disable embedding as a frame
+          add_header X-Frame-Options 'ALLOW-FROM kopatz.ddns.net';
+
+          # Prevent injection of code in other mime types (XSS Attacks)
+          add_header X-Content-Type-Options nosniff;
+        '';
+
         # Setup Nextcloud virtual host to listen on ports
         virtualHosts = {
             "kopatz.ddns.net" = {