public static void handlePlayerLogin(PlayerLoginEvent event) { final Server server = TotalFreedomMod.server; 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); // Check username length 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; } // Check username characters if (!USERNAME_REGEX.matcher(username).find()) { event.disallow(Result.KICK_OTHER, "Your username contains invalid characters."); return; } // Check force-IP match if (TFM_ConfigEntry.FORCE_IP_ENABLED.getBoolean()) { final String hostname = event .getHostname() .replace( "\u0000FML\u0000", ""); // Forge fix - https://github.com/TotalFreedom/TotalFreedomMod/issues/493 final String connectAddress = TFM_ConfigEntry.SERVER_ADDRESS.getString(); final int connectPort = TotalFreedomMod.server.getPort(); if (!hostname.equalsIgnoreCase(connectAddress + ":" + connectPort) && !hostname.equalsIgnoreCase(connectAddress + ".:" + connectPort)) { final int forceIpPort = TFM_ConfigEntry.FORCE_IP_PORT.getInteger(); event.disallow( PlayerLoginEvent.Result.KICK_OTHER, TFM_ConfigEntry.FORCE_IP_KICKMSG .getString() .replace( "%address%", TFM_ConfigEntry.SERVER_ADDRESS.getString() + (forceIpPort == TFM_PlayerListener.DEFAULT_PORT ? "" : ":" + forceIpPort))); 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 { // Force-allow log in event.allow(); 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; } } } if (count >= server.getMaxPlayers()) { event.disallow( Result.KICK_OTHER, "The server is full and a player could not be kicked, sorry!"); return; } 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; } // 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; } } }