AtlasMediaGroup/TotalFreedomMod
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Moving login authentication to 100% TotalFreedomMod.

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This commit is contained in:
Steven Lawson 2012-09-13 19:34:14 -04:00
parent 614d502bb6
commit 24110d002c
1 changed files with 180 additions and 6 deletions
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186
src/me/StevenLawson/TotalFreedomMod/Listener/TFM_PlayerListener.java
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@ -1,12 +1,16 @@
package me.StevenLawson.TotalFreedomMod.Listener;
import java.text.SimpleDateFormat;
import java.util.Iterator;
import java.util.Map.Entry;
import java.util.Random;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import me.StevenLawson.TotalFreedomMod.*;
import net.minecraft.server.BanEntry;
import net.minecraft.server.BanList;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.ServerConfigurationManagerAbstract;
import org.bukkit.*;
import org.bukkit.block.Block;
import org.bukkit.entity.LivingEntity;
@ -24,13 +28,11 @@ public class TFM_PlayerListener implements Listener
{
private final TotalFreedomMod plugin;
private static final Logger log = Logger.getLogger("Minecraft");
private final Server server;
private static final Random randomGenerator = new Random();
private static final SimpleDateFormat date_format = new SimpleDateFormat("yyyy-MM-dd \'at\' HH:mm:ss z");
public TFM_PlayerListener(TotalFreedomMod instance)
{
this.plugin = instance;
this.server = plugin.getServer();
}
@EventHandler(priority = EventPriority.HIGH)
@ -296,7 +298,7 @@ public class TFM_PlayerListener implements Listener
}
@EventHandler(priority = EventPriority.NORMAL)
public void onPlayerChat(PlayerChatEvent event)
public void onPlayerChat(AsyncPlayerChatEvent event)
{
try
{
@ -478,7 +480,7 @@ public class TFM_PlayerListener implements Listener
{
TFM_UserList.getInstance(plugin).addUser(event.getPlayer());
if (!server.getOnlineMode())
if (!plugin.getServer().getOnlineMode())
{
Player p = event.getPlayer();
if (TotalFreedomMod.superadmins.contains(p.getName().toLowerCase()))
@ -507,4 +509,176 @@ public class TFM_PlayerListener implements Listener
{
}
}
@EventHandler(priority = EventPriority.HIGHEST)
public void onPlayerLogin(PlayerLoginEvent event)
{
//This should supercede 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 = plugin.getServer();
final ServerConfigurationManagerAbstract scm = MinecraftServer.getServer().getServerConfigurationManager();
final BanList banByIP = scm.getIPBans();
final BanList banByName = scm.getNameBans();
final Player p = event.getPlayer();
final String player_name = p.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;
}
//Not safe to use TFM_Util.isUserSuperadmin for player logging in because p.getAddress() will return a null until after player login.
boolean is_superadmin;
if (Bukkit.getOnlineMode())
{
is_superadmin = TotalFreedomMod.superadmins.contains(player_name.toLowerCase());
}
else
{
is_superadmin = TotalFreedomMod.superadmin_ips.contains(player_ip);
}
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 = "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;
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;
}
String[] test_ip_parts = test_ip.split("\\.");
String[] player_ip_parts = player_ip.split("\\.");
boolean is_match = false;
for (int i = 0; i < test_ip_parts.length && i < player_ip_parts.length; i++)
{
if (test_ip_parts[i].equals("*") && i >= 2)
{
is_match = true;
}
else if (test_ip_parts[i].equals(player_ip_parts[i]))
{
is_match = true;
}
else
{
is_match = false;
}
if (!is_match)
{
break;
}
}
if (is_match)
{
ban_entry = (BanEntry) banByIP.getEntries().get(test_ip);
is_ip_banned = true;
break;
}
}
if (is_ip_banned)
{
String kick_message = "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;
}
if (server.getOnlinePlayers().length >= server.getMaxPlayers())
{
event.disallow(PlayerLoginEvent.Result.KICK_FULL, "Sorry, but this server is full.");
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
{
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.");
}
}
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_Util.isUserSuperadmin(test_player))
{
can_kick = true;
test_player.kickPlayer("You have been kicked to free up room for an admin.");
break;
}
}
}
}
}
}