From 9dd6ca7789fc05d2a7f33f53cf803f0b3b8038be Mon Sep 17 00:00:00 2001
From: Julia Radzhabova <julia.radzhabova@onlyoffice.com>
Date: Tue, 17 Aug 2021 12:40:42 +0300
Subject: [PATCH] [wopi] Fix message origin if undefined

---
 apps/api/wopi/editor-wopi.ejs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/api/wopi/editor-wopi.ejs b/apps/api/wopi/editor-wopi.ejs
index d7301abad..a5f0dca1c 100644
--- a/apps/api/wopi/editor-wopi.ejs
+++ b/apps/api/wopi/editor-wopi.ejs
@@ -308,7 +308,7 @@ div {
                 }
 			};
 
-            postMessageOrigin = fileInfo.PostMessageOrigin;
+            postMessageOrigin = fileInfo.PostMessageOrigin || "*";
             if (postMessageOrigin && (typeof postMessageOrigin === 'string') && postMessageOrigin.charAt(postMessageOrigin.length-1)=='/')
                 postMessageOrigin = postMessageOrigin.substring(0, postMessageOrigin.length - 1);
             lang = config.editorConfig.lang;