1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/speculation-rules/prerender/resources/deprecated-broadcast-channel.py b/testing/web-platform/tests/speculation-rules/prerender/resources/deprecated-broadcast-channel.py
new file mode 100644
index 0000000000..62631d922f
--- /dev/null
+++ b/testing/web-platform/tests/speculation-rules/prerender/resources/deprecated-broadcast-channel.py
@@ -0,0 +1,28 @@
+import json
+import time
+def main(request, response):
+    uid = request.GET.first(b"uid")
+    name = request.GET.first(b"name")
+    time.sleep(0.1)
+
+    messagesByName = []
+    if request.method == 'POST':
+        with request.server.stash.lock:
+            messages = request.server.stash.take(uid) or {}
+            if name in messages:
+                messagesByName = messages[name]
+
+            messagesByName.append(json.loads(request.body))
+            messages[name] = messagesByName
+            request.server.stash.put(uid, messages)
+        response.status = 204
+    else:
+        with request.server.stash.lock:
+            messages = request.server.stash.take(uid) or {}
+            if name in messages:
+                messagesByName = messages[name]
+
+            request.server.stash.put(uid, messages)
+            response.status = 200
+            response.headers['Content-Type'] = 'application/json'
+            response.content = json.dumps(messagesByName)