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

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package me.StevenLawson.TotalFreedomMod;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;
import java.util.regex.Pattern;
import me.StevenLawson.TotalFreedomMod.Config.TFM_ConfigEntry;
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import net.minecraft.server.v1_8_R2.EntityPlayer;
import net.minecraft.server.v1_8_R2.MinecraftServer;
import net.minecraft.server.v1_8_R2.PropertyManager;
import org.bukkit.ChatColor;
import org.bukkit.Server;
import org.bukkit.entity.Player;
import org.bukkit.event.player.PlayerLoginEvent;
import org.bukkit.event.player.PlayerLoginEvent.Result;
public class TFM_ServerInterface
{
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public static final String COMPILE_NMS_VERSION = "v1_8_R2";
public static final Pattern USERNAME_REGEX = Pattern.compile("^[\\w\\d_]{3,20}$");
public static void setOnlineMode(boolean mode)
{
final PropertyManager manager = MinecraftServer.getServer().getPropertyManager();
manager.setProperty("online-mode", mode);
manager.savePropertiesFile();
}
public static int purgeWhitelist()
{
String[] whitelisted = MinecraftServer.getServer().getPlayerList().getWhitelisted();
int size = whitelisted.length;
for (EntityPlayer player : MinecraftServer.getServer().getPlayerList().players)
{
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MinecraftServer.getServer().getPlayerList().getWhitelist().remove(player.getProfile());
}
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try
{
MinecraftServer.getServer().getPlayerList().getWhitelist().save();
}
catch (Exception ex)
{
TFM_Log.warning("Could not purge the whitelist!");
TFM_Log.warning(ex);
}
return size;
}
public static boolean isWhitelisted()
{
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return MinecraftServer.getServer().getPlayerList().getHasWhitelist();
}
public static List<?> getWhitelisted()
{
return Arrays.asList(MinecraftServer.getServer().getPlayerList().getWhitelisted());
}
public static String getVersion()
{
return MinecraftServer.getServer().getVersion();
}
public static void handlePlayerLogin(PlayerLoginEvent event)
{
final Server server = TotalFreedomMod.server;
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final Player player = event.getPlayer();
final String username = player.getName();
final String ip = event.getAddress().getHostAddress().trim();
final UUID uuid = TFM_UuidManager.newPlayer(player, ip);
// Perform username checks
if (username.length() < 3 || username.length() > TotalFreedomMod.MAX_USERNAME_LENGTH)
{
event.disallow(Result.KICK_OTHER, "Your username is an invalid length (must be between 3 and 20 characters long).");
return;
}
if (!USERNAME_REGEX.matcher(username).find())
{
event.disallow(Result.KICK_OTHER, "Your username contains invalid characters.");
return;
}
// Check if player is admin
// Not safe to use TFM_Util.isSuperAdmin(player) because player.getAddress() will return a null until after player login.
final boolean isAdmin = TFM_AdminList.isSuperAdminSafe(uuid, ip);
// Validation below this point
if (isAdmin) // Player is superadmin
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{
// Force-allow log in
event.allow();
// Kick players with the same name
for (Player onlinePlayer : server.getOnlinePlayers())
{
if (onlinePlayer.getName().equalsIgnoreCase(username))
{
onlinePlayer.kickPlayer("An admin just logged in with the username you are using.");
}
}
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int count = server.getOnlinePlayers().size();
if (count >= server.getMaxPlayers())
{
for (Player onlinePlayer : server.getOnlinePlayers())
{
if (!TFM_AdminList.isSuperAdmin(onlinePlayer))
{
onlinePlayer.kickPlayer("You have been kicked to free up room for an admin.");
count--;
}
if (count < server.getMaxPlayers())
{
break;
}
}
}
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if (count >= server.getMaxPlayers())
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{
event.disallow(Result.KICK_OTHER, "The server is full and a player could not be kicked, sorry!");
return;
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}
return;
}
// Player is not an admin
// Server full check
if (server.getOnlinePlayers().size() >= server.getMaxPlayers())
{
event.disallow(Result.KICK_FULL, "Sorry, but this server is full.");
return;
}
// Admin-only mode
if (TFM_ConfigEntry.ADMIN_ONLY_MODE.getBoolean())
{
event.disallow(Result.KICK_OTHER, "Server is temporarily open to admins only.");
return;
}
// Lockdown mode
if (TotalFreedomMod.lockdownEnabled)
{
event.disallow(Result.KICK_OTHER, "Server is currently in lockdown mode.");
return;
}
// Username already logged in
for (Player onlinePlayer : server.getOnlinePlayers())
{
if (onlinePlayer.getName().equalsIgnoreCase(username))
{
event.disallow(Result.KICK_OTHER, "Your username is already logged into this server.");
return;
}
}
// Whitelist
if (isWhitelisted())
{
if (!getWhitelisted().contains(username.toLowerCase()))
{
event.disallow(Result.KICK_OTHER, "You are not whitelisted on this server.");
return;
}
}
// UUID ban
if (TFM_BanManager.isUuidBanned(uuid))
{
final TFM_Ban ban = TFM_BanManager.getByUuid(uuid);
event.disallow(Result.KICK_OTHER, ban.getKickMessage());
return;
}
// IP ban
if (TFM_BanManager.isIpBanned(ip))
{
final TFM_Ban ban = TFM_BanManager.getByIp(ip);
event.disallow(Result.KICK_OTHER, ban.getKickMessage());
return;
}
// Permbanned IPs
for (String testIp : TFM_PermbanList.getPermbannedIps())
{
if (TFM_Util.fuzzyIpMatch(testIp, ip, 4))
{
event.disallow(Result.KICK_OTHER,
ChatColor.RED + "Your IP address is permanently banned from this server.\n"
+ "Release procedures are available at\n"
+ ChatColor.GOLD + TFM_ConfigEntry.SERVER_PERMBAN_URL.getString());
return;
}
}
// Permbanned usernames
for (String testPlayer : TFM_PermbanList.getPermbannedPlayers())
{
if (testPlayer.equalsIgnoreCase(username))
{
event.disallow(Result.KICK_OTHER,
ChatColor.RED + "Your username is permanently banned from this server.\n"
+ "Release procedures are available at\n"
+ ChatColor.GOLD + TFM_ConfigEntry.SERVER_PERMBAN_URL.getString());
return;
}
}
}
}