From da0cd3d58835829c19252d69847724d6e16b6b4d Mon Sep 17 00:00:00 2001
From: Hinton <hinton.oscar@gmail.com>
Date: Fri, 23 Oct 2020 14:40:31 +0200
Subject: [PATCH] Send error when failing to decrypt message

---
 src/services/nativeMessaging.service.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/services/nativeMessaging.service.ts b/src/services/nativeMessaging.service.ts
index d5a1ffc23f..d9af63998d 100644
--- a/src/services/nativeMessaging.service.ts
+++ b/src/services/nativeMessaging.service.ts
@@ -51,6 +51,12 @@ export class NativeMessagingService {
 
         const message = JSON.parse(await this.cryptoService.decryptToUtf8(rawMessage, this.sharedSecret));
 
+        // Shared secret is invalidated, force re-authentication
+        if (message == null) {
+            ipcRenderer.send('nativeMessagingReply', {command: 'invalidateEncryption'});
+            return;
+        }
+
         if (Math.abs(message.timestamp - Date.now()) > MessageValidTimeout) {
             this.logService.error('NativeMessage is to old, ignoring.');
             return;