ModernUO/Projects/Server/Network/Bans/IBanReporter.cs
2026-07-25 10:52:06 -07:00

55 lines
2.7 KiB
C#

/*************************************************************************
* ModernUO *
* Copyright 2019-2026 - ModernUO Development Team *
* Email: hi@modernuo.com *
* File: IBanReporter.cs *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
*************************************************************************/
using System;
using System.Net;
using System.Threading;
namespace Server.Network.Bans;
/// <summary>
/// A contribution sink behind <see cref="BanChannel"/>. Reporters receive locally-decided bans
/// (manual admin bans, rate-limit trips, blocklist promotions) and forward them to an external system
/// (e.g. CrowdSec), which distributes them to OS-level bouncers. Reporters never answer the accept-path
/// membership query — that is an <see cref="IConnectionFilter"/>'s job.
/// </summary>
public interface IBanReporter
{
/// <summary>Stable id for logging/config (e.g. <c>crowdsec</c>).</summary>
string Name { get; }
/// <summary>Reads configuration. No network or file I/O here.</summary>
void Register();
/// <summary>Starts background delivery. The token is cancelled on shutdown.</summary>
void Start(CancellationToken token);
/// <summary>Flushes and tears down background delivery.</summary>
void Stop();
/// <summary>
/// Enqueues a ban contribution. MUST be non-blocking and safe on the accept path: it may only
/// enqueue (bounded, drop-on-overflow) and never perform synchronous I/O.
/// </summary>
/// <param name="ttl"><see cref="TimeSpan.Zero"/> or negative = use the reporter's default duration.</param>
/// <param name="reason">Short slug (<c>manual</c>, <c>rate-limit</c>) used as the scenario suffix.</param>
void Report(IPAddress address, TimeSpan ttl, string reason);
/// <summary>True if this reporter can retract a previously-reported ban.</summary>
bool CanRetract { get; }
/// <summary>Enqueues a retraction (e.g. a manual unban). No-op if unsupported.</summary>
void Retract(IPAddress address);
}