Fail closed on malformed local auth

2026-04-11 16:29:53 +02:00
parent 6a223a4b70
commit 09e96ce381
6 changed files with 90 additions and 19 deletions
@@ -0,0 +1,17 @@
+using System.Security.Claims;
+
+namespace JobTrackerApi.Services;
+
+public static class LocalAuthIdentity
+{
+    public static string? GetRequiredUserId(ClaimsPrincipal? user)
+    {
+        if (user?.Identity?.IsAuthenticated != true)
+        {
+            return null;
+        }
+
+        var userId = user.FindFirstValue(ClaimTypes.NameIdentifier) ?? user.FindFirstValue("sub");
+        return string.IsNullOrWhiteSpace(userId) ? null : userId;
+    }
+}