refator: ...

1 files changed, 16 insertions, 2 deletions

diff --git a/BackEnd/Timeline/Auth/PrincipalExtensions.cs b/BackEnd/Timeline/Auth/PrincipalExtensions.cs
index 605f66f6..81c21969 100644
--- a/BackEnd/Timeline/Auth/PrincipalExtensions.cs
+++ b/BackEnd/Timeline/Auth/PrincipalExtensions.cs
@@ -4,9 +4,23 @@ using Timeline.Services.User;
 

 namespace Timeline.Auth

 {

-    internal static class PrincipalExtensions

+    public static class PrincipalExtensions

     {

-        internal static bool HasPermission(this ClaimsPrincipal principal, UserPermission permission)

+        public static long? GetUserId(this ClaimsPrincipal? principal)

+        {

+            if (principal is null) return null;

+

+            var claim = principal.FindFirst(ClaimTypes.NameIdentifier);

+            if (claim == null)

+                return null;

+

+            if (long.TryParse(claim.Value, out var value))

+                return value;

+

+            throw new InvalidOperationException(Resource.ExceptionUserIdentifierClaimBadFormat);

+        }

+

+        public static bool HasPermission(this ClaimsPrincipal principal, UserPermission permission)

         {

             return principal.HasClaim(

                 claim => claim.Type == AuthenticationConstants.PermissionClaimName && string.Equals(claim.Value, permission.ToString(), StringComparison.OrdinalIgnoreCase));