From 77a4faa90d510412da8f76baadced6c40b2b5693 Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Thu, 7 Jan 2021 15:48:20 +0100
Subject: [PATCH] Fix Dom Exception with mediatags

---
 www/common/media-tag.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/www/common/media-tag.js b/www/common/media-tag.js
index 4823e41c0..15b038724 100644
--- a/www/common/media-tag.js
+++ b/www/common/media-tag.js
@@ -423,7 +423,7 @@ var factory = function () {
         }
         catch (e) { return null; }
     };
-    var fetchDecryptedMetadata = function (src, strKey, cb) {
+    var fetchDecryptedMetadata = function (src, key, cb) {
         if (typeof(src) !== 'string') {
             return window.setTimeout(function () {
                 cb('NO_SOURCE');
@@ -431,7 +431,7 @@ var factory = function () {
         }
         fetchMetadata(src, function (e, buffer) {
             if (e) { return cb(e); }
-            var key = Decrypt.getKeyFromStr(strKey);
+            if (typeof(key) === "string") { key = Decrypt.getKeyFromStr(key); }
             cb(void 0, decryptMetadata(buffer, key));
         });
     };