From 1f8e7c3808164e1d89d49bf5e144b2167f481fdd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20S=C3=A1nchez?= <daniel.sanchez@gnosis.pm>
Date: Wed, 25 May 2022 20:16:41 +0200
Subject: [PATCH] fix: Update isValidMessage() check for Safe Apps

---
 src/routes/safe/components/Apps/communicator.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/routes/safe/components/Apps/communicator.ts b/src/routes/safe/components/Apps/communicator.ts
index a4b8d238d4..2e0a708ca0 100644
--- a/src/routes/safe/components/Apps/communicator.ts
+++ b/src/routes/safe/components/Apps/communicator.ts
@@ -43,8 +43,7 @@ class AppCommunicator {
       return true
     }
 
-    // @ts-expect-error .parent doesn't exist on some possible types
-    const sentFromIframe = msg.source.parent === window.parent
+    const sentFromIframe = this.iframeRef.current?.contentWindow === msg.source
     const knownMethod = Object.values(Methods).includes(msg.data.method)
 
     return sentFromIframe && knownMethod