Commit 0

Services/BlacklistService.cs

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+using System;
+using System.Threading.Tasks;
+using GameAuthApi.Models;
+using Microsoft.Extensions.Configuration;
+using MongoDB.Driver;
+
+namespace GameAuthApi.Services;
+
+public class BlacklistService
+{
+    private readonly IMongoCollection<BlacklistedToken> _blacklist;
+
+    public BlacklistService(IConfiguration config)
+    {
+        var client = new MongoClient(config["MongoDB:ConnectionString"]);
+        var db = client.GetDatabase(config["MongoDB:DatabaseName"]);
+        _blacklist = db.GetCollection<BlacklistedToken>("BlacklistedTokens");
+    }
+
+    public async Task AddToBlacklistAsync(string token, DateTime expiry)
+    {
+        var entry = new BlacklistedToken { Token = token, Expiry = expiry };
+        await _blacklist.InsertOneAsync(entry);
+    }
+
+    public async Task<bool> IsTokenBlacklistedAsync(string token)
+    {
+        var exists = await _blacklist.Find(x => x.Token == token && x.Expiry > DateTime.UtcNow).FirstOrDefaultAsync();
+        return exists != null;
+    }
+}