From 8f4d42d13ffb8d9505fe0af9bcb2a91086a4e5c7 Mon Sep 17 00:00:00 2001
From: Joseph Milazzo <joseph.v.milazzo@gmail.com>
Date: Sun, 20 Jun 2021 15:15:34 -0500
Subject: [PATCH] Add noreferrer noopener on links to external resources for
 epub reading (#318)

---
 API/Services/BookService.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/API/Services/BookService.cs b/API/Services/BookService.cs
index b0252f122..f36455ff6 100644
--- a/API/Services/BookService.cs
+++ b/API/Services/BookService.cs
@@ -89,7 +89,8 @@ namespace API.Services
                 }
                 else
                 {
-                    anchor.Attributes.Add("target", "_blank");    
+                    anchor.Attributes.Add("target", "_blank");
+                    anchor.Attributes.Add("rel", "noreferrer noopener");
                 }
 
                 return;