From fb3e62c89daa4ea497d544355a46a599ad29df25 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Wed, 28 Apr 2021 19:42:24 +0800
Subject: refactor: ...

---
 BackEnd/Timeline/Auth/PrincipalExtensions.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'BackEnd/Timeline/Auth/PrincipalExtensions.cs')

diff --git a/BackEnd/Timeline/Auth/PrincipalExtensions.cs b/BackEnd/Timeline/Auth/PrincipalExtensions.cs
index 81c21969..6c974ed2 100644
--- a/BackEnd/Timeline/Auth/PrincipalExtensions.cs
+++ b/BackEnd/Timeline/Auth/PrincipalExtensions.cs
@@ -20,8 +20,9 @@ namespace Timeline.Auth
             throw new InvalidOperationException(Resource.ExceptionUserIdentifierClaimBadFormat);
         }
 
-        public static bool HasPermission(this ClaimsPrincipal principal, UserPermission permission)
+        public static bool HasPermission(this ClaimsPrincipal? principal, UserPermission permission)
         {
+            if (principal is null) return false;
             return principal.HasClaim(
                 claim => claim.Type == AuthenticationConstants.PermissionClaimName && string.Equals(claim.Value, permission.ToString(), StringComparison.OrdinalIgnoreCase));
         }
-- 
cgit v1.2.3