From 24547e67bfa6966d7ff1d02b588082a1277536dd Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kspearrin@users.noreply.github.com>
Date: Mon, 1 Jun 2020 14:46:37 -0400
Subject: [PATCH] check for empty string on malformed URL (#944)

* treat empty string host as null

* use `string.IsNullOrEmpty`
---
 src/Core/Utilities/CoreHelpers.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Core/Utilities/CoreHelpers.cs b/src/Core/Utilities/CoreHelpers.cs
index 1951b6f6c..c4b1c7f78 100644
--- a/src/Core/Utilities/CoreHelpers.cs
+++ b/src/Core/Utilities/CoreHelpers.cs
@@ -36,13 +36,14 @@ namespace Bit.Core.Utilities
 
         public static string GetHostname(string uriString)
         {
-            return GetUri(uriString)?.Host;
+            var uri = GetUri(uriString);
+            return string.IsNullOrEmpty(uri?.Host) ? null : uri.Host;
         }
 
         public static string GetHost(string uriString)
         {
             var uri = GetUri(uriString);
-            if (uri != null)
+            if (!string.IsNullOrEmpty(uri?.Host))
             {
                 if (uri.IsDefaultPort)
                 {