sharp-chat/SharpChat/ClientCommands/KickBanClientCommand.cs

73 lines
2.7 KiB
C#

using SharpChat.Bans;
using SharpChat.SockChat.S2CPackets;
using System.Net;
namespace SharpChat.ClientCommands;
public class KickBanClientCommand(BansClient bansClient) : ClientCommand {
public bool IsMatch(ClientCommandContext ctx) {
return ctx.NameEquals("kick")
|| ctx.NameEquals("ban");
}
public async Task Dispatch(ClientCommandContext ctx) {
bool isBanning = ctx.NameEquals("ban");
long msgId = ctx.Chat.RandomSnowflake.Next();
if(!ctx.User.Can(isBanning ? UserPermissions.BanUser : UserPermissions.KickUser)) {
await ctx.Chat.SendTo(ctx.User, new CommandResponseS2CPacket(msgId, LCR.COMMAND_NOT_ALLOWED, true, $"/{ctx.Name}"));
return;
}
string? banUserTarget = ctx.Args.ElementAtOrDefault(0);
string? banDurationStr = ctx.Args.ElementAtOrDefault(1);
int banReasonIndex = 1;
User? banUser = null;
if(banUserTarget == null || (banUser = ctx.Chat.Users.FirstOrDefault(u => u.NameEquals(banUserTarget))) == null) {
await ctx.Chat.SendTo(ctx.User, new CommandResponseS2CPacket(msgId, LCR.USER_NOT_FOUND, true, banUserTarget ?? "User"));
return;
}
if(banUser.Rank >= ctx.User.Rank && banUser != ctx.User) {
await ctx.Chat.SendTo(ctx.User, new CommandResponseS2CPacket(msgId, LCR.KICK_NOT_ALLOWED, true, banUser.LegacyName));
return;
}
TimeSpan duration = isBanning ? TimeSpan.MaxValue : TimeSpan.Zero;
if(!string.IsNullOrWhiteSpace(banDurationStr) && double.TryParse(banDurationStr, out double durationSeconds)) {
if(durationSeconds < 0) {
await ctx.Chat.SendTo(ctx.User, new CommandResponseS2CPacket(msgId, LCR.COMMAND_FORMAT_ERROR));
return;
}
duration = TimeSpan.FromSeconds(durationSeconds);
++banReasonIndex;
}
if(duration <= TimeSpan.Zero) {
await ctx.Chat.BanUser(banUser, duration);
return;
}
string banReason = string.Join(' ', ctx.Args.Skip(banReasonIndex));
BanInfo? banInfo = await bansClient.BanGetAsync(banUser.UserId);
if(banInfo is not null) {
await ctx.Chat.SendTo(ctx.User, new CommandResponseS2CPacket(msgId, LCR.KICK_NOT_ALLOWED, true, banUser.LegacyName));
return;
}
await bansClient.BanCreateAsync(
BanKind.User,
duration,
ctx.Chat.GetRemoteAddresses(banUser).FirstOrDefault() ?? IPAddress.None,
banUser.UserId,
banReason,
ctx.Connection.RemoteAddress,
ctx.User.UserId
);
await ctx.Chat.BanUser(banUser, duration);
}
}