IW4M-Admin/SharedLibraryCore/Commands/CommandProcessing.cs

191 lines
8.7 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using SharedLibraryCore.Configuration;
using SharedLibraryCore.Database.Models;
using SharedLibraryCore.Exceptions;
namespace SharedLibraryCore.Commands
{
public class CommandProcessing
{
public static async Task<Command> ValidateCommand(GameEvent gameEvent, ApplicationConfiguration appConfig,
CommandConfiguration commandConfig)
{
var loc = Utilities.CurrentLocalization.LocalizationIndex;
var manager = gameEvent.Owner.Manager;
var isBroadcast = gameEvent.Data.StartsWith(appConfig.BroadcastCommandPrefix);
var prefixLength = isBroadcast ? appConfig.BroadcastCommandPrefix.Length : appConfig.CommandPrefix.Length;
var commandString =
gameEvent.Data.Substring(prefixLength, gameEvent.Data.Length - prefixLength).Split(' ')[0];
gameEvent.Message = gameEvent.Data;
Command matchedCommand = null;
foreach (var availableCommand in manager.GetCommands()
.Where(c => c.Name != null))
{
if ((availableCommand.SupportedGames?.Any() ?? false) &&
!availableCommand.SupportedGames.Contains(gameEvent.Owner.GameName))
{
continue;
}
if (availableCommand.Name.Equals(commandString, StringComparison.OrdinalIgnoreCase) ||
(availableCommand.Alias ?? "").Equals(commandString, StringComparison.OrdinalIgnoreCase))
{
matchedCommand = (Command)availableCommand;
}
}
if (matchedCommand == null)
{
gameEvent.Origin.Tell(loc["COMMAND_UNKNOWN"]);
throw new CommandException($"{gameEvent.Origin} entered unknown command \"{commandString}\"");
}
matchedCommand.IsBroadcast = isBroadcast;
var allowImpersonation = commandConfig?.Commands?.ContainsKey(matchedCommand.GetType().Name) ?? false
? commandConfig.Commands[matchedCommand.GetType().Name].AllowImpersonation
: matchedCommand.AllowImpersonation;
if (!allowImpersonation && gameEvent.ImpersonationOrigin != null)
{
gameEvent.ImpersonationOrigin.Tell(loc["COMMANDS_RUN_AS_FAIL"]);
throw new CommandException($"Command {matchedCommand.Name} cannot be run as another client");
}
gameEvent.Data = gameEvent.Data.RemoveWords(1);
var args = gameEvent.Data.Trim().Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
// todo: the code below can be cleaned up
if (gameEvent.Origin.Level < matchedCommand.Permission)
{
gameEvent.Origin.Tell(loc["COMMAND_NOACCESS"]);
throw new CommandException($"{gameEvent.Origin} does not have access to \"{matchedCommand.Name}\"");
}
if (args.Length < matchedCommand.RequiredArgumentCount)
{
gameEvent.Origin.Tell(loc["COMMAND_MISSINGARGS"]);
gameEvent.Origin.Tell(matchedCommand.Syntax);
throw new CommandException(
$"{gameEvent.Origin} did not supply enough arguments for \"{matchedCommand.Name}\"");
}
if (matchedCommand.RequiresTarget)
{
if (args.Length > 0)
{
if (!int.TryParse(args[0], out var cNum))
{
cNum = -1;
}
if (args[0][0] == '@') // user specifying target by database ID
{
int.TryParse(args[0].Substring(1, args[0].Length - 1), out var dbID);
var found = await manager.GetClientService().Get(dbID);
if (found != null)
{
found = manager.FindActiveClient(found);
gameEvent.Target = found;
gameEvent.Target.CurrentServer = found.CurrentServer ?? gameEvent.Owner;
gameEvent.Data = string.Join(" ", args.Skip(1));
}
}
else if (args[0].Length < 3 && cNum > -1 && cNum < gameEvent.Owner.MaxClients
) // user specifying target by client num
{
if (gameEvent.Owner.Clients[cNum] != null)
{
gameEvent.Target = gameEvent.Owner.Clients[cNum];
gameEvent.Data = string.Join(" ", args.Skip(1));
}
}
}
List<EFClient> matchingPlayers;
if (gameEvent.Target == null &&
matchedCommand.RequiresTarget) // Find active player including quotes (multiple words)
{
matchingPlayers = gameEvent.Owner.GetClientByName(gameEvent.Data);
if (matchingPlayers.Count > 1)
{
gameEvent.Origin.Tell(loc["COMMAND_TARGET_MULTI"]);
throw new CommandException(
$"{gameEvent.Origin} had multiple players found for {matchedCommand.Name}");
}
if (matchingPlayers.Count == 1)
{
gameEvent.Target = matchingPlayers.First();
var escapedName = Regex.Escape(gameEvent.Target.CleanedName);
var reg = new Regex($"(\"{escapedName}\")|({escapedName})", RegexOptions.IgnoreCase);
gameEvent.Data = reg.Replace(gameEvent.Data, "", 1).Trim();
if (gameEvent.Data.Length == 0 && matchedCommand.RequiredArgumentCount > 1)
{
gameEvent.Origin.Tell(loc["COMMAND_MISSINGARGS"]);
gameEvent.Origin.Tell(matchedCommand.Syntax);
throw new CommandException(
$"{gameEvent.Origin} did not supply enough arguments for \"{matchedCommand.Name}\"");
}
}
}
if (gameEvent.Target == null && matchedCommand.RequiresTarget &&
args.Length > 0) // Find active player as single word
{
matchingPlayers = gameEvent.Owner.GetClientByName(args[0]);
if (matchingPlayers.Count > 1)
{
gameEvent.Origin.Tell(loc["COMMAND_TARGET_MULTI"]);
foreach (var p in matchingPlayers)
gameEvent.Origin.Tell($"[(Color::Yellow){p.ClientNumber}(Color::White)] {p.Name}");
throw new CommandException(
$"{gameEvent.Origin} had multiple players found for {matchedCommand.Name}");
}
if (matchingPlayers.Count == 1)
{
gameEvent.Target = matchingPlayers.First();
var escapedName = Regex.Escape(gameEvent.Target.CleanedName);
var escapedArg = Regex.Escape(args[0]);
var reg = new Regex($"({escapedName})|({escapedArg})", RegexOptions.IgnoreCase);
gameEvent.Data = reg.Replace(gameEvent.Data, "", 1).Trim();
if ((gameEvent.Data.Trim() == gameEvent.Target.CleanedName.ToLower().Trim() ||
gameEvent.Data == string.Empty) &&
matchedCommand.RequiresTarget)
{
gameEvent.Origin.Tell(loc["COMMAND_MISSINGARGS"]);
gameEvent.Origin.Tell(matchedCommand.Syntax);
throw new CommandException(
$"{gameEvent.Origin} did not supply enough arguments for \"{matchedCommand.Name}\"");
}
}
}
if (gameEvent.Target == null && matchedCommand.RequiresTarget)
{
gameEvent.Origin.Tell(loc["COMMAND_TARGET_NOTFOUND"]);
throw new CommandException(
$"{gameEvent.Origin} specified invalid player for \"{matchedCommand.Name}\"");
}
}
gameEvent.Data = gameEvent.Data.Trim();
return matchedCommand;
}
}
}