From 1d8fbac7962dbe6d8bad955ce4a11d66a4b78d48 Mon Sep 17 00:00:00 2001
From: Alistair Francis <alistair@alistair23.me>
Date: Mon, 13 Nov 2017 04:47:58 -0800
Subject: [PATCH] TokenService.cs: Check if key exists before deleting it
 (#168)

To avoid errors in Task<ApiResult<TokenResponse>> when logging in on
UWP apps ensure that we check that they key exists before we delete the
2FA key token.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
 src/App/Services/TokenService.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/App/Services/TokenService.cs b/src/App/Services/TokenService.cs
index 9426661d2..f16978cf8 100644
--- a/src/App/Services/TokenService.cs
+++ b/src/App/Services/TokenService.cs
@@ -150,7 +150,7 @@ namespace Bit.App.Services
                 var tokenBytes = Encoding.UTF8.GetBytes(token);
                 _secureStorage.Store(key, tokenBytes);
             }
-            else
+            else if(_secureStorage.Contains(key))
             {
                 _secureStorage.Delete(key);
             }