TotalFreedomMod/src/me/StevenLawson/TotalFreedomMod/TFM_ServerInterface.java

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package me.StevenLawson.TotalFreedomMod;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Iterator;
import java.util.Set;
import java.util.regex.Pattern;
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import net.minecraft.server.v1_6_R2.BanEntry;
import net.minecraft.server.v1_6_R2.BanList;
import net.minecraft.server.v1_6_R2.MinecraftServer;
import net.minecraft.server.v1_6_R2.PlayerList;
import net.minecraft.server.v1_6_R2.PropertyManager;
import org.bukkit.ChatColor;
import org.bukkit.Server;
import org.bukkit.entity.Player;
import org.bukkit.event.player.PlayerLoginEvent;
public class TFM_ServerInterface
{
private static final SimpleDateFormat date_format = new SimpleDateFormat("yyyy-MM-dd \'at\' HH:mm:ss z");
public static void setOnlineMode(boolean mode)
{
PropertyManager propertyManager = MinecraftServer.getServer().getPropertyManager();
propertyManager.a("online-mode", mode);
propertyManager.savePropertiesFile();
}
public static void wipeNameBans()
{
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BanList nameBans = MinecraftServer.getServer().getPlayerList().getNameBans();
nameBans.getEntries().clear();
nameBans.save();
}
public static void wipeIpBans()
{
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BanList IPBans = MinecraftServer.getServer().getPlayerList().getIPBans();
IPBans.getEntries().clear();
IPBans.save();
}
public static void unbanUsername(String name)
{
name = name.toLowerCase().trim();
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BanList nameBans = MinecraftServer.getServer().getPlayerList().getNameBans();
nameBans.remove(name);
}
public static void banUsername(String name, String reason, String source, Date expire_date)
{
name = name.toLowerCase().trim();
BanEntry ban_entry = new BanEntry(name);
if (expire_date != null)
{
ban_entry.setExpires(expire_date);
}
if (reason != null)
{
ban_entry.setReason(reason);
}
if (source != null)
{
ban_entry.setSource(source);
}
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BanList nameBans = MinecraftServer.getServer().getPlayerList().getNameBans();
nameBans.add(ban_entry);
}
public static boolean isNameBanned(String name)
{
name = name.toLowerCase().trim();
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BanList nameBans = MinecraftServer.getServer().getPlayerList().getNameBans();
nameBans.removeExpired();
return nameBans.getEntries().containsKey(name);
}
public static void banIP(String ip, String reason, String source, Date expire_date)
{
ip = ip.toLowerCase().trim();
BanEntry ban_entry = new BanEntry(ip);
if (expire_date != null)
{
ban_entry.setExpires(expire_date);
}
if (reason != null)
{
ban_entry.setReason(reason);
}
if (source != null)
{
ban_entry.setSource(source);
}
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BanList ipBans = MinecraftServer.getServer().getPlayerList().getIPBans();
ipBans.add(ban_entry);
}
public static void unbanIP(String ip)
{
ip = ip.toLowerCase().trim();
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BanList ipBans = MinecraftServer.getServer().getPlayerList().getIPBans();
ipBans.remove(ip);
}
public static boolean isIPBanned(String ip)
{
ip = ip.toLowerCase().trim();
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BanList ipBans = MinecraftServer.getServer().getPlayerList().getIPBans();
ipBans.removeExpired();
return ipBans.getEntries().containsKey(ip);
}
@SuppressWarnings("rawtypes")
public static int purgeWhitelist()
{
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Set whitelisted = MinecraftServer.getServer().getPlayerList().getWhitelisted();
int size = whitelisted.size();
whitelisted.clear();
return size;
}
public static void handlePlayerLogin(PlayerLoginEvent event)
{
// this should supersede all other onPlayerLogin authentication on the TFM server.
// when using the TFM CraftBukkit, CraftBukkit itself should not do any of its own authentication.
final Server server = TotalFreedomMod.plugin.getServer();
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final PlayerList player_list = MinecraftServer.getServer().getPlayerList();
final BanList banByIP = player_list.getIPBans();
final BanList banByName = player_list.getNameBans();
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final Player player = event.getPlayer();
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final String player_name = player.getName();
final String player_ip = event.getAddress().getHostAddress().trim().toLowerCase();
if (player_name.trim().length() <= 2)
{
event.disallow(PlayerLoginEvent.Result.KICK_OTHER, "Your username is too short (must be at least 3 characters long).");
return;
}
else if (Pattern.compile("[^a-zA-Z0-9\\-\\.\\_]").matcher(player_name).find())
{
event.disallow(PlayerLoginEvent.Result.KICK_OTHER, "Your username contains invalid characters.");
return;
}
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// not safe to use TFM_Util.isUserSuperadmin for player logging in because player.getAddress() will return a null until after player login.
boolean is_superadmin;
if (server.getOnlineMode())
{
is_superadmin = TFM_SuperadminList.getSuperadminNames().contains(player_name.toLowerCase());
}
else
{
is_superadmin = TFM_SuperadminList.checkPartialSuperadminIP(player_ip, player_name.toLowerCase());
}
if (!is_superadmin)
{
BanEntry ban_entry = null;
if (banByName.isBanned(player_name.toLowerCase()))
{
ban_entry = (BanEntry) banByName.getEntries().get(player_name.toLowerCase());
String kick_message = ChatColor.RED + "You are banned from this server.";
if (ban_entry != null)
{
kick_message = kick_message + "\nReason: " + ban_entry.getReason();
if (ban_entry.getExpires() != null)
{
kick_message = kick_message + "\nYour ban will be removed on " + date_format.format(ban_entry.getExpires());
}
}
event.disallow(PlayerLoginEvent.Result.KICK_BANNED, kick_message);
return;
}
boolean is_ip_banned = false;
@SuppressWarnings("rawtypes")
Iterator ip_bans = banByIP.getEntries().keySet().iterator();
while (ip_bans.hasNext())
{
String test_ip = (String) ip_bans.next();
if (!test_ip.matches("^\\d{1,3}\\.\\d{1,3}\\.(\\d{1,3}|\\*)\\.(\\d{1,3}|\\*)$"))
{
continue;
}
if (player_ip.equals(test_ip))
{
ban_entry = (BanEntry) banByIP.getEntries().get(test_ip);
is_ip_banned = true;
break;
}
if (TFM_Util.fuzzyIpMatch(test_ip, player_ip, 4))
{
ban_entry = (BanEntry) banByIP.getEntries().get(test_ip);
is_ip_banned = true;
break;
}
}
if (is_ip_banned)
{
String kick_message = ChatColor.RED + "Your IP address is banned from this server.";
if (ban_entry != null)
{
kick_message = kick_message + "\nReason: " + ban_entry.getReason();
if (ban_entry.getExpires() != null)
{
kick_message = kick_message + "\nYour ban will be removed on " + date_format.format(ban_entry.getExpires());
}
}
event.disallow(PlayerLoginEvent.Result.KICK_BANNED, kick_message);
return;
}
for (String test_player : TotalFreedomMod.permbanned_players)
{
if (test_player.equalsIgnoreCase(player_name))
{
event.disallow(PlayerLoginEvent.Result.KICK_BANNED, ChatColor.RED + "Your username is permanently banned from this server.\nRelease procedures are available at http://bit.ly/PermBan");
return;
}
}
for (String test_ip : TotalFreedomMod.permbanned_ips)
{
if (TFM_Util.fuzzyIpMatch(test_ip, player_ip, 4))
{
event.disallow(PlayerLoginEvent.Result.KICK_BANNED, ChatColor.RED + "Your IP address is permanently banned from this server.\nRelease procedures are available at http://bit.ly/PermBan");
return;
}
}
if (server.getOnlinePlayers().length >= server.getMaxPlayers())
{
event.disallow(PlayerLoginEvent.Result.KICK_FULL, "Sorry, but this server is full.");
return;
}
if (TotalFreedomMod.adminOnlyMode)
{
event.disallow(PlayerLoginEvent.Result.KICK_OTHER, "Server is temporarily open to admins only.");
return;
}
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if (TotalFreedomMod.lockdownEnabled)
{
event.disallow(PlayerLoginEvent.Result.KICK_OTHER, "Server is currently in lockdown mode.");
return;
}
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if (player_list.hasWhitelist)
{
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if (!player_list.getWhitelisted().contains(player_name.toLowerCase()))
{
event.disallow(PlayerLoginEvent.Result.KICK_OTHER, "You are not whitelisted on this server.");
return;
}
}
for (Player test_player : server.getOnlinePlayers())
{
if (test_player.getName().equalsIgnoreCase(player_name))
{
event.disallow(PlayerLoginEvent.Result.KICK_OTHER, "Your username is already logged into this server.");
return;
}
}
}
else
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{
for (Player test_player : server.getOnlinePlayers())
{
if (test_player.getName().equalsIgnoreCase(player_name))
{
test_player.kickPlayer("An admin just logged in with the username you are using.");
}
}
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boolean can_kick = true; // if the server is full of superadmins, however unlikely that might be, this will prevent an infinite loop.
while (server.getOnlinePlayers().length >= server.getMaxPlayers() && can_kick)
{
can_kick = false;
for (Player test_player : server.getOnlinePlayers())
{
if (!TFM_SuperadminList.isUserSuperadmin(test_player))
{
can_kick = true;
test_player.kickPlayer("You have been kicked to free up room for an admin.");
break;
}
}
}
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if (TotalFreedomMod.lockdownEnabled)
{
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TFM_Util.playerMsg(player, "Warning: Server is currenty in lockdown-mode, new players will not be able to join!", ChatColor.RED);
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}
}
}
public static String getVersion()
{
return MinecraftServer.getServer().getVersion();
}
}