From 681efc6a46b8d2b9c07cb8e8c13abe9b65416f41 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 20 Apr 2026 18:08:38 +0000
Subject: [PATCH] fix: enable COEP/COOP headers for console play route to fix
 MSDOS games

Agent-Logs-Url: https://github.com/rommapp/romm/sessions/487d4506-1203-499e-afc4-a45ee1f2438b

Co-authored-by: gantoine <3247106+gantoine@users.noreply.github.com>
---
 docker/nginx/templates/default.conf.template | 4 +++-
 frontend/src/console/views/Game.vue          | 7 +++++--
 frontend/src/console/views/Play.vue          | 6 ++++++
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/docker/nginx/templates/default.conf.template b/docker/nginx/templates/default.conf.template
index 330831aa5..8ccd10865 100644
--- a/docker/nginx/templates/default.conf.template
+++ b/docker/nginx/templates/default.conf.template
@@ -9,15 +9,17 @@ map $http_x_forwarded_proto $forwardscheme {
 }
 
 # COEP and COOP headers for cross-origin isolation, which are set only for the
-# EmulatorJS player path, to enable SharedArrayBuffer support, which is needed
+# EmulatorJS player paths, to enable SharedArrayBuffer support, which is needed
 # for multi-threaded cores.
 map $request_uri $coep_header {
     default        "";
     ~^/rom/.*/ejs$ "require-corp";
+    ~^/console/rom/[0-9]+/play "require-corp";
 }
 map $request_uri $coop_header {
     default        "";
     ~^/rom/.*/ejs$ "same-origin";
+    ~^/console/rom/[0-9]+/play "same-origin";
 }
 
 server {
diff --git a/frontend/src/console/views/Game.vue b/frontend/src/console/views/Game.vue
index 4c20761c4..ad0f7420e 100644
--- a/frontend/src/console/views/Game.vue
+++ b/frontend/src/console/views/Game.vue
@@ -350,7 +350,7 @@ function handleAction(action: InputAction): boolean {
   }
 }
 
-function play() {
+async function play() {
   if (!rom.value) return;
 
   romApi
@@ -375,11 +375,14 @@ function play() {
   if (origin.id) query.id = Number(origin.id);
   if (origin.collection) query.collection = Number(origin.collection);
 
-  router.push({
+  await router.push({
     name: ROUTES.CONSOLE_PLAY,
     params: { rom: rom.value.id },
     query: Object.keys(query).length ? query : undefined,
   });
+  // Force full reload to retrieve COEP/COOP headers from nginx,
+  // required to enable multi-threading in EmulatorJS (e.g., for dosbox_pure/MSDOS).
+  router.go(0);
 }
 
 const currentStateId = computed(
diff --git a/frontend/src/console/views/Play.vue b/frontend/src/console/views/Play.vue
index 19889083d..3c5e5be9e 100644
--- a/frontend/src/console/views/Play.vue
+++ b/frontend/src/console/views/Play.vue
@@ -5,6 +5,7 @@ import {
   computed,
   onMounted,
   onBeforeUnmount,
+  onUnmounted,
   ref,
   watch,
   nextTick,
@@ -737,6 +738,11 @@ onBeforeUnmount(() => {
   detachKey?.();
   detachPad?.();
 });
+
+onUnmounted(() => {
+  // Force full reload to reset COEP/COOP, so cross-origin isolation is turned off.
+  window.location.reload();
+});
 </script>
 
 <template>