From 4aa8d92a5349933607e8ec95d2850781bf372f29 Mon Sep 17 00:00:00 2001
From: ansuz <ansuz@transitiontech.ca>
Date: Thu, 21 Dec 2017 17:18:10 +0100
Subject: [PATCH] handle errors when constructing thumbnails from file metadata

---
 www/common/common-thumbnail.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/www/common/common-thumbnail.js b/www/common/common-thumbnail.js
index ce77ce92f..18e5dff52 100644
--- a/www/common/common-thumbnail.js
+++ b/www/common/common-thumbnail.js
@@ -254,6 +254,12 @@ define([
             var cryptKey = secret.keys && secret.keys.fileKeyStr;
             var key = Nacl.util.decodeBase64(cryptKey);
             FileCrypto.fetchDecryptedMetadata(src, key, function (e, metadata) {
+                if (e) {
+                    if (e === 'XHR_ERROR') { return; }
+                    return console.error(e);
+                }
+                if (!metadata) { return console.error("NO_METADATA"); }
+
                 var v = metadata.thumbnail;
                 if (!v) {
                     v = 'EMPTY';