594 lines
21 KiB
C#
Executable file
594 lines
21 KiB
C#
Executable file
/*
|
|
TShock, a server mod for Terraria
|
|
Copyright (C) 2011 The TShock Team
|
|
|
|
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.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
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.Collections.Generic;
|
|
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Net;
|
|
using System.Net.Sockets;
|
|
using System.Security.Cryptography;
|
|
using System.Text;
|
|
using Terraria;
|
|
|
|
|
|
namespace TShockAPI
|
|
{
|
|
public class Tools
|
|
{
|
|
public static Random Random = new Random();
|
|
//private static List<Group> groups = new List<Group>();
|
|
|
|
/// <summary>
|
|
/// Provides the real IP address from a RemoteEndPoint string that contains a port and an IP
|
|
/// </summary>
|
|
/// <param name="mess">A string IPv4 address in IP:PORT form.</param>
|
|
/// <returns>A string IPv4 address.</returns>
|
|
public static string GetRealIP(string mess)
|
|
{
|
|
return mess.Split(':')[0];
|
|
}
|
|
|
|
/// <summary>
|
|
/// Used for some places where a list of players might be used.
|
|
/// </summary>
|
|
/// <returns>String of players seperated by commas.</returns>
|
|
public static string GetPlayers()
|
|
{
|
|
var sb = new StringBuilder();
|
|
foreach (TSPlayer player in TShock.Players)
|
|
{
|
|
if (player != null && player.Active)
|
|
{
|
|
if (sb.Length != 0)
|
|
{
|
|
sb.Append(", ");
|
|
}
|
|
sb.Append(player.Name);
|
|
}
|
|
}
|
|
return sb.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Finds a player and gets IP as string
|
|
/// </summary>
|
|
/// <param name="msg">Player name</param>
|
|
public static string GetPlayerIP(string playername)
|
|
{
|
|
foreach (TSPlayer player in TShock.Players)
|
|
{
|
|
if (player != null && player.Active)
|
|
{
|
|
if (playername.ToLower() == player.Name.ToLower())
|
|
{
|
|
return player.IP;
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// It's a clamp function
|
|
/// </summary>
|
|
/// <typeparam name="T"></typeparam>
|
|
/// <param name="value">Value to clamp</param>
|
|
/// <param name="max">Maximum bounds of the clamp</param>
|
|
/// <param name="min">Minimum bounds of the clamp</param>
|
|
/// <returns></returns>
|
|
public static T Clamp<T>(T value, T max, T min)
|
|
where T : IComparable<T>
|
|
{
|
|
T result = value;
|
|
if (value.CompareTo(max) > 0)
|
|
result = max;
|
|
if (value.CompareTo(min) < 0)
|
|
result = min;
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Saves the map data
|
|
/// </summary>
|
|
public static void SaveWorld()
|
|
{
|
|
WorldGen.saveWorld();
|
|
Broadcast("World saved.", Color.Yellow);
|
|
Log.Info(string.Format("World saved at ({0})", Main.worldPathName));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Broadcasts a message to all players
|
|
/// </summary>
|
|
/// <param name="msg">string message</param>
|
|
public static void Broadcast(string msg)
|
|
{
|
|
Broadcast(msg, Color.Green);
|
|
}
|
|
|
|
public static void Broadcast(string msg, byte red, byte green, byte blue)
|
|
{
|
|
TSPlayer.All.SendMessage(msg, red, green, blue);
|
|
TSPlayer.Server.SendMessage(msg, red, green, blue);
|
|
Log.Info(string.Format("Broadcast: {0}", msg));
|
|
}
|
|
|
|
public static void Broadcast(string msg, Color color)
|
|
{
|
|
Broadcast(msg, color.R, color.G, color.B);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Sends message to all users with 'logs' permission.
|
|
/// </summary>
|
|
/// <param name="log"></param>
|
|
/// <param name="color"></param>
|
|
public static void SendLogs(string log, Color color)
|
|
{
|
|
Log.Info(log);
|
|
TSPlayer.Server.SendMessage(log, color);
|
|
foreach (TSPlayer player in TShock.Players)
|
|
{
|
|
if (player != null && player.Active && player.Group.HasPermission(Permissions.logs) && player.DisplayLogs && TShock.Config.DisableSpewLogs == false)
|
|
player.SendMessage(log, color);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// The number of active players on the server.
|
|
/// </summary>
|
|
/// <returns>int playerCount</returns>
|
|
public static int ActivePlayers()
|
|
{
|
|
int num = 0;
|
|
foreach (TSPlayer player in TShock.Players)
|
|
{
|
|
if (player != null && player.Active)
|
|
{
|
|
num++;
|
|
}
|
|
}
|
|
return num;
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="ply"></param>
|
|
/// <returns></returns>
|
|
public static List<TSPlayer> FindPlayer(string ply)
|
|
{
|
|
var found = new List<TSPlayer>();
|
|
ply = ply.ToLower();
|
|
foreach (TSPlayer player in TShock.Players)
|
|
{
|
|
if (player == null)
|
|
continue;
|
|
|
|
string name = player.Name.ToLower();
|
|
if (name.Equals(ply))
|
|
return new List<TSPlayer> { player };
|
|
if (name.Contains(ply))
|
|
found.Add(player);
|
|
}
|
|
return found;
|
|
}
|
|
|
|
public static void GetRandomClearTileWithInRange(int startTileX, int startTileY, int tileXRange, int tileYRange, out int tileX, out int tileY)
|
|
{
|
|
int j = 0;
|
|
do
|
|
{
|
|
if (j == 100)
|
|
{
|
|
tileX = startTileX;
|
|
tileY = startTileY;
|
|
break;
|
|
}
|
|
|
|
tileX = startTileX + Random.Next(tileXRange * -1, tileXRange);
|
|
tileY = startTileY + Random.Next(tileYRange * -1, tileYRange);
|
|
j++;
|
|
}
|
|
while (TileValid(tileX, tileY) && !TileClear(tileX, tileY));
|
|
}
|
|
|
|
private static bool TileValid(int tileX, int tileY)
|
|
{
|
|
return tileX >= 0 && tileX <= Main.maxTilesX && tileY >= 0 && tileY <= Main.maxTilesY;
|
|
}
|
|
|
|
private static bool TileClear(int tileX, int tileY)
|
|
{
|
|
return !Main.tile[tileX, tileY].active;
|
|
}
|
|
|
|
public static List<Item> GetItemByIdOrName(string idOrName)
|
|
{
|
|
int type = -1;
|
|
if (int.TryParse(idOrName, out type))
|
|
{
|
|
return new List<Item> { GetItemById(type) };
|
|
}
|
|
return GetItemByName(idOrName);
|
|
}
|
|
|
|
public static Item GetItemById(int id)
|
|
{
|
|
Item item = new Item();
|
|
item.SetDefaults(id);
|
|
return item;
|
|
}
|
|
|
|
public static List<Item> GetItemByName(string name)
|
|
{
|
|
//Method #1 - must be exact match, allows support for different pickaxes/hammers/swords etc
|
|
for (int i = 1; i < Main.maxItemTypes; i++)
|
|
{
|
|
Item item = new Item();
|
|
item.SetDefaults(name);
|
|
if (item.name == name)
|
|
return new List<Item> { item };
|
|
}
|
|
//Method #2 - allows impartial matching
|
|
var found = new List<Item>();
|
|
for (int i = 1; i < Main.maxItemTypes; i++)
|
|
{
|
|
try
|
|
{
|
|
Item item = new Item();
|
|
item.SetDefaults(i);
|
|
if (item.name.ToLower() == name.ToLower())
|
|
return new List<Item> { item };
|
|
if (item.name.ToLower().StartsWith(name.ToLower()))
|
|
found.Add(item);
|
|
}
|
|
catch { }
|
|
}
|
|
return found;
|
|
}
|
|
|
|
public static List<NPC> GetNPCByIdOrName(string idOrName)
|
|
{
|
|
int type = -1;
|
|
if (int.TryParse(idOrName, out type))
|
|
{
|
|
return new List<NPC> { GetNPCById(type) };
|
|
}
|
|
return GetNPCByName(idOrName);
|
|
}
|
|
|
|
public static NPC GetNPCById(int id)
|
|
{
|
|
NPC npc = new NPC();
|
|
npc.SetDefaults(id);
|
|
return npc;
|
|
}
|
|
|
|
public static List<NPC> GetNPCByName(string name)
|
|
{
|
|
//Method #1 - must be exact match, allows support for different coloured slimes
|
|
for (int i = 1; i < Main.maxNPCTypes; i++)
|
|
{
|
|
NPC npc = new NPC();
|
|
npc.SetDefaults(name);
|
|
if (npc.name == name)
|
|
return new List<NPC> { npc };
|
|
}
|
|
//Method #2 - allows impartial matching
|
|
var found = new List<NPC>();
|
|
for (int i = 1; i < Main.maxNPCTypes; i++)
|
|
{
|
|
NPC npc = new NPC();
|
|
npc.SetDefaults(i);
|
|
if (npc.name.ToLower() == name.ToLower())
|
|
return new List<NPC> { npc };
|
|
if (npc.name.ToLower().StartsWith(name.ToLower()))
|
|
found.Add(npc);
|
|
}
|
|
return found;
|
|
}
|
|
|
|
public static string GetBuffName(int id)
|
|
{
|
|
return (id > 0 && id < Main.maxBuffs) ? Main.buffName[id] : "null";
|
|
}
|
|
public static string GetBuffDescription(int id)
|
|
{
|
|
return (id > 0 && id < Main.maxBuffs) ? Main.buffTip[id] : "null";
|
|
}
|
|
public static List<int> GetBuffByName(string name)
|
|
{
|
|
for (int i = 1; i < Main.maxBuffs; i++)
|
|
{
|
|
if (Main.buffName[i].ToLower() == name)
|
|
return new List<int> { i };
|
|
}
|
|
var found = new List<int>();
|
|
for (int i = 1; i < Main.maxBuffs; i++)
|
|
{
|
|
if (Main.buffName[i].ToLower().StartsWith(name.ToLower()))
|
|
found.Add(i);
|
|
}
|
|
return found;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Kicks all player from the server without checking for immunetokick permission.
|
|
/// </summary>
|
|
/// <param name="ply">int player</param>
|
|
/// <param name="reason">string reason</param>
|
|
public static void ForceKickAll(string reason)
|
|
{
|
|
foreach (TSPlayer player in TShock.Players)
|
|
{
|
|
if (player != null && player.Active)
|
|
{
|
|
ForceKick(player, reason);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Kicks a player from the server without checking for immunetokick permission.
|
|
/// </summary>
|
|
/// <param name="ply">int player</param>
|
|
/// <param name="reason">string reason</param>
|
|
public static void ForceKick(TSPlayer player, string reason)
|
|
{
|
|
if (!player.ConnectionAlive)
|
|
return;
|
|
player.Disconnect(reason);
|
|
Log.ConsoleInfo(string.Format("{0} was force kicked for : {1}", player.IP, reason));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Kicks a player from the server.
|
|
/// </summary>
|
|
/// <param name="ply">int player</param>
|
|
/// <param name="reason">string reason</param>
|
|
public static bool Kick(TSPlayer player, string reason, string adminUserName = "")
|
|
{
|
|
if (!player.ConnectionAlive)
|
|
return true;
|
|
if (!player.Group.HasPermission(Permissions.immunetokick))
|
|
{
|
|
string playerName = player.Name;
|
|
player.Disconnect(string.Format("Kicked: {0}", reason));
|
|
Log.ConsoleInfo(string.Format("Kicked {0} for : {1}", playerName, reason));
|
|
if (adminUserName.Length == 0)
|
|
Broadcast(string.Format("{0} was kicked for {1}", playerName, reason.ToLower()));
|
|
else
|
|
Broadcast(string.Format("{0} kicked {1} for {2}", adminUserName, playerName, reason.ToLower()));
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Bans and kicks a player from the server.
|
|
/// </summary>
|
|
/// <param name="ply">int player</param>
|
|
/// <param name="reason">string reason</param>
|
|
public static bool Ban(TSPlayer player, string reason, string adminUserName = "")
|
|
{
|
|
if (!player.ConnectionAlive)
|
|
return true;
|
|
if (!player.Group.HasPermission(Permissions.immunetoban))
|
|
{
|
|
string ip = player.IP;
|
|
string playerName = player.Name;
|
|
TShock.Bans.AddBan(ip, playerName, reason);
|
|
player.Disconnect(string.Format("Banned: {0}", reason));
|
|
Log.ConsoleInfo(string.Format("Banned {0} for : {1}", playerName, reason));
|
|
if (adminUserName.Length == 0)
|
|
Broadcast(string.Format("{0} was banned for {1}", playerName, reason.ToLower()));
|
|
else
|
|
Broadcast(string.Format("{0} banned {1} for {2}", adminUserName, playerName, reason.ToLower()));
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public static bool HandleCheater(TSPlayer player, string reason)
|
|
{
|
|
return HandleBadPlayer(player, "ignorecheatdetection", TShock.Config.BanCheaters, TShock.Config.KickCheaters, reason);
|
|
}
|
|
|
|
public static bool HandleGriefer(TSPlayer player, string reason)
|
|
{
|
|
return HandleBadPlayer(player, Permissions.ignoregriefdetection, TShock.Config.BanGriefers, TShock.Config.KickGriefers, reason);
|
|
}
|
|
|
|
public static bool HandleTntUser(TSPlayer player, string reason)
|
|
{
|
|
return HandleBadPlayer(player, Permissions.ignoregriefdetection, TShock.Config.BanKillTileAbusers, TShock.Config.KickKillTileAbusers, reason);
|
|
}
|
|
|
|
public static bool HandleExplosivesUser(TSPlayer player, string reason)
|
|
{
|
|
return HandleBadPlayer(player, Permissions.ignoregriefdetection, TShock.Config.BanExplosives, TShock.Config.KickExplosives, reason);
|
|
}
|
|
|
|
private static bool HandleBadPlayer(TSPlayer player, string overridePermission, bool ban, bool kick, string reason)
|
|
{
|
|
if (!player.Group.HasPermission(overridePermission) || !(player.Group.Name == "superadmin"))
|
|
{
|
|
if (ban)
|
|
{
|
|
return Ban(player, reason);
|
|
}
|
|
if (kick)
|
|
{
|
|
return Kick(player, reason);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Shows a file to the user.
|
|
/// </summary>
|
|
/// <param name="ply">int player</param>
|
|
/// <param name="file">string filename reletave to savedir</param>
|
|
//Todo: Fix this
|
|
public static void ShowFileToUser(TSPlayer player, string file)
|
|
{
|
|
string foo = "";
|
|
using (var tr = new StreamReader(Path.Combine(TShock.SavePath, file)))
|
|
{
|
|
while ((foo = tr.ReadLine()) != null)
|
|
{
|
|
foo = foo.Replace("%map%", Main.worldName);
|
|
foo = foo.Replace("%players%", GetPlayers());
|
|
if (foo.Substring(0, 1) == "%" && foo.Substring(12, 1) == "%") //Look for a beginning color code.
|
|
{
|
|
string possibleColor = foo.Substring(0, 13);
|
|
foo = foo.Remove(0, 13);
|
|
float[] pC = { 0, 0, 0 };
|
|
possibleColor = possibleColor.Replace("%", "");
|
|
string[] pCc = possibleColor.Split(',');
|
|
if (pCc.Length == 3)
|
|
{
|
|
try
|
|
{
|
|
player.SendMessage(foo, (byte)Convert.ToInt32(pCc[0]), (byte)Convert.ToInt32(pCc[1]),
|
|
(byte)Convert.ToInt32(pCc[2]));
|
|
continue;
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Log.Error(e.ToString());
|
|
}
|
|
}
|
|
}
|
|
player.SendMessage(foo);
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a Group from the name of the group
|
|
/// </summary>
|
|
/// <param name="ply">string groupName</param>
|
|
public static Group GetGroup(string groupName)
|
|
{
|
|
//first attempt on cached groups
|
|
for (int i = 0; i < TShock.Groups.groups.Count; i++)
|
|
{
|
|
if (TShock.Groups.groups[i].Name.Equals(groupName))
|
|
{
|
|
return TShock.Groups.groups[i];
|
|
}
|
|
}
|
|
return new Group("default");
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns an IPv4 address from a DNS query
|
|
/// </summary>
|
|
/// <param name="hostname">string ip</param>
|
|
public static string GetIPv4Address(string hostname)
|
|
{
|
|
try
|
|
{
|
|
//Get the ipv4 address from GetHostAddresses, if an ip is passed it will return that ip
|
|
var ip = Dns.GetHostAddresses(hostname).FirstOrDefault(i => i.AddressFamily == AddressFamily.InterNetwork);
|
|
//if the dns query was successful then return it, otherwise return an empty string
|
|
return ip != null ? ip.ToString() : "";
|
|
}
|
|
catch (SocketException)
|
|
{
|
|
}
|
|
return "";
|
|
}
|
|
|
|
public static string HashAlgo = "md5";
|
|
|
|
public static readonly Dictionary<string, Func<HashAlgorithm>> HashTypes = new Dictionary<string, Func<HashAlgorithm>>
|
|
{
|
|
{"sha512", () => new SHA512Managed()},
|
|
{"sha256", () => new SHA256Managed()},
|
|
{"md5", () => new MD5Cng()},
|
|
{"sha512-xp", () => SHA512.Create()},
|
|
{"sha256-xp", () => SHA256.Create()},
|
|
{"md5-xp", () => MD5.Create()},
|
|
};
|
|
|
|
/// <summary>
|
|
/// Returns a Sha256 string for a given string
|
|
/// </summary>
|
|
/// <param name="bytes">bytes to hash</param>
|
|
/// <returns>string sha256</returns>
|
|
public static string HashPassword(byte[] bytes)
|
|
{
|
|
if (bytes == null)
|
|
throw new NullReferenceException("bytes");
|
|
Func<HashAlgorithm> func;
|
|
if (!HashTypes.TryGetValue(HashAlgo.ToLower(), out func))
|
|
throw new NotSupportedException("Hashing algorithm {0} is not supported".SFormat(HashAlgo.ToLower()));
|
|
|
|
using (var hash = func())
|
|
{
|
|
var ret = hash.ComputeHash(bytes);
|
|
return ret.Aggregate("", (s, b) => s + b.ToString("X2"));
|
|
}
|
|
}
|
|
/// <summary>
|
|
/// Returns a Sha256 string for a given string
|
|
/// </summary>
|
|
/// <param name="bytes">bytes to hash</param>
|
|
/// <returns>string sha256</returns>
|
|
public static string HashPassword(string password)
|
|
{
|
|
if (string.IsNullOrEmpty(password) || password == "non-existant password")
|
|
return "non-existant password";
|
|
return HashPassword(Encoding.UTF8.GetBytes(password));
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks if the string contains any unprintable characters
|
|
/// </summary>
|
|
/// <param name="str">String to check</param>
|
|
/// <returns>True if the string only contains printable characters</returns>
|
|
public static bool ValidString(string str)
|
|
{
|
|
foreach (var c in str)
|
|
{
|
|
if (c < 0x20 || c > 0xA9)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks if world has hit the max number of chests
|
|
/// </summary>
|
|
/// <returns>True if the entire chest array is used</returns>
|
|
public static bool MaxChests()
|
|
{
|
|
for (int i = 0; i < Main.chest.Length; i++)
|
|
{
|
|
if (Main.chest[i] == null)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
}
|