From eaa7b6e8e5ed4e7a6abc229233d460d32dfb3330 Mon Sep 17 00:00:00 2001
From: Caleb James DeLisle <cjd@cjdns.fr>
Date: Sat, 11 Nov 2017 01:26:54 +0100
Subject: [PATCH] Do content checks on the drive so if it gets corrupted, the
 patch will be rejected

---
 www/common/fsStore.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/www/common/fsStore.js b/www/common/fsStore.js
index 1603581d2..6db9bd359 100644
--- a/www/common/fsStore.js
+++ b/www/common/fsStore.js
@@ -297,6 +297,15 @@ define([
             crypto: Crypto.createEncryptor(secret.keys),
             userName: 'fs',
             logLevel: 1,
+            validateContent: function (content) {
+                try {
+                    JSON.parse(content);
+                    return true;
+                } catch (e) {
+                    console.error("Failed to parse, rejecting patch");
+                    return false;
+                }
+            },
         };
 
         var exp = {};