Radicade/Server/PlayersBanned/TokenRevocation.cs

using System.Collections.Concurrent;
using Microsoft.EntityFrameworkCore;
using RadicadeServer.DB;

namespace RadicadeServer.Utils
{













	public static class TokenRevocation
	{
		private static readonly ConcurrentDictionary<long, int> Versions = new();




		public static async Task<bool> IsValidAsync(IServiceProvider services, long accountId, int tokenVersion)
		{
			if (Versions.TryGetValue(accountId, out var cached))
				return cached == tokenVersion;

			var factory = services.GetRequiredService<IDbContextFactory<RecDBContext>>();
			await using var db = await factory.CreateDbContextAsync();
			var current = await db.Players
				.AsNoTracking()
				.Where(p => p.AccountId == accountId)
				.Select(p => (int?)p.TokenVersion)
				.FirstOrDefaultAsync();

			var stored = current ?? 0;
			Versions[accountId] = stored;
			return stored == tokenVersion;
		}









		public static void Bump(long accountId, int newVersion)
		{
			Versions.TryRemove(accountId, out _);
		}
	}
}