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Controllers/AnticheatController.cs

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+using Microsoft.AspNetCore.Mvc;
+using Mocha2023.Auth;
+using Mocha2023.Classes;
+using Mocha2023.Classes.DBs;
+using System.Text.Json;
+
+namespace Mocha2023.Controllers;
+
+[ApiController]
+[Mocha2023.Classes.ApiProtection]
+public class AnticheatController : ControllerBase
+{
+    public class ReportBody
+    {
+        public string? flags { get; set; }
+        public string? steamId { get; set; }
+        public string? build { get; set; }
+    }
+
+    [HttpPost("api/anticheat/report")]
+    [RequestSizeLimit(4 * 1024)]
+    public async Task<IActionResult> Report()
+    {
+        string body = await new StreamReader(Request.Body).ReadToEndAsync();
+
+        ReportBody? parsed = null;
+        try
+        {
+            parsed = JsonSerializer.Deserialize<ReportBody>(body);
+        }
+        catch
+        {
+        }
+
+        string steamId = parsed?.steamId ?? Request.Headers["X-Mocha-SteamId"].ToString();
+        string build = parsed?.build ?? Request.Headers["X-Mocha-Build"].ToString();
+        string flags = string.IsNullOrWhiteSpace(parsed?.flags) ? "unknown" : parsed.flags;
+        string ip = ClientNetwork.GetClientIp(Request)?.ToString() ?? "unknown";
+        string? userAgent = Request.Headers.TryGetValue("User-Agent", out var uaValues) && uaValues.Count > 0
+            ? uaValues.ToString()
+            : null;
+
+        long? accountId = AuthStuff.GetPlayerId(Request);
+
+        AnticheatLogDB.Log(ip, accountId, steamId, build, flags, userAgent);
+
+        Console.WriteLine($"[ANTICHEAT] ip={ip} account={accountId?.ToString() ?? "none"} steam={steamId} build={build} flags={flags}");
+
+        return Ok(new { received = true });
+    }
+}