Initial commit

MareSynchronosServer/MareSynchronosShared/Utils/IdBasedUserIdProvider.cs

@@ -0,0 +1,11 @@
+using Microsoft.AspNetCore.SignalR;
+
+namespace MareSynchronosShared.Utils;
+
+public class IdBasedUserIdProvider : IUserIdProvider
+{
+    public string GetUserId(HubConnectionContext context)
+    {
+        return context.User!.Claims.SingleOrDefault(c => string.Equals(c.Type, MareClaimTypes.Uid, StringComparison.Ordinal))?.Value;
+    }
+}