From 57fd17b2199cce18586c17095c0783e58971f3c2 Mon Sep 17 00:00:00 2001
From: Luca Rostagno <rostagno@feedbackinnovation.it>
Date: Tue, 13 Jan 2026 09:02:23 +0100
Subject: [PATCH] Fix for proxy based on v5

---
 src/sendFCM.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/sendFCM.js b/src/sendFCM.js
index 69b6f67..8724d8f 100644
--- a/src/sendFCM.js
+++ b/src/sendFCM.js
@@ -88,7 +88,12 @@ const sendFCM = (regIds, data, settings) => {
     }
   });
 
+  opts.credential.httpAgent = settings.fcm.httpAgent || undefined;
+
   const firebaseApp = firebaseAdmin.initializeApp(opts, appName);
+  if (settings.fcm.httpAgent) {
+    firebaseAdmin.messaging(firebaseApp).enableLegacyHttpTransport();
+  }
   firebaseAdmin.INTERNAL.appStore.removeApp(appName);
 
   const promises = [];