public static void handlePlayerPreLogin(AsyncPlayerPreLoginEvent event) {
final String ip = event.getAddress().getHostAddress().trim();
final boolean isAdmin = TFM_AdminList.isSuperAdminSafe(null, ip);
// Check if the player is already online
for (Player onlinePlayer : TotalFreedomMod.server.getOnlinePlayers()) {
if (!onlinePlayer.getName().equalsIgnoreCase(event.getName())) {
continue;
}
if (!isAdmin) {
event.disallow(
AsyncPlayerPreLoginEvent.Result.KICK_OTHER,
"Your username is already logged into this server.");
} else {
event.allow();
TFM_Sync.playerKick(
onlinePlayer, "An admin just logged in with the username you are using.");
}
return;
}
}
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;
}
}
}
