Files
tbd-station-14/Content.Shared/Players/RateLimiting/SharedPlayerRateLimitManager.cs
Leon Friedrich f1f1fc1dc3 Add interaction rate limits (#32527)
* Move PlayerRateLimitManager to shared

* Add interaction rate limits

* uncap tests
2024-09-29 22:19:00 +10:00

56 lines
2.5 KiB
C#

using Robust.Shared.Player;
namespace Content.Shared.Players.RateLimiting;
/// <summary>
/// General-purpose system to rate limit actions taken by clients, such as chat messages.
/// </summary>
/// <remarks>
/// <para>
/// Different categories of rate limits must be registered ahead of time by calling <see cref="Register"/>.
/// Once registered, you can simply call <see cref="CountAction"/> to count a rate-limited action for a player.
/// </para>
/// <para>
/// This system is intended for rate limiting player actions over short periods,
/// to ward against spam that can cause technical issues such as admin client load.
/// It should not be used for in-game actions or similar.
/// </para>
/// <para>
/// Rate limits are reset when a client reconnects.
/// This should not be an issue for the reasonably short rate limit periods this system is intended for.
/// </para>
/// </remarks>
/// <seealso cref="RateLimitRegistration"/>
public abstract class SharedPlayerRateLimitManager
{
/// <summary>
/// Count and validate an action performed by a player against rate limits.
/// </summary>
/// <param name="player">The player performing the action.</param>
/// <param name="key">The key string that was previously used to register a rate limit category.</param>
/// <returns>Whether the action counted should be blocked due to surpassing rate limits or not.</returns>
/// <exception cref="ArgumentException">
/// <paramref name="player"/> is not a connected player
/// OR <paramref name="key"/> is not a registered rate limit category.
/// </exception>
/// <seealso cref="Register"/>
public abstract RateLimitStatus CountAction(ICommonSession player, string key);
/// <summary>
/// Register a new rate limit category.
/// </summary>
/// <param name="key">
/// The key string that will be referred to later with <see cref="CountAction"/>.
/// Must be unique and should probably just be a constant somewhere.
/// </param>
/// <param name="registration">The data specifying the rate limit's parameters.</param>
/// <exception cref="InvalidOperationException"><paramref name="key"/> has already been registered.</exception>
/// <exception cref="ArgumentException"><paramref name="registration"/> is invalid.</exception>
public abstract void Register(string key, RateLimitRegistration registration);
/// <summary>
/// Initialize the manager's functionality at game startup.
/// </summary>
public abstract void Initialize();
}