package me.johnnywoof.ao.spigot;
import me.johnnywoof.ao.hybrid.AlwaysOnline;
import org.bukkit.ChatColor;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.player.AsyncPlayerPreLoginEvent;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.event.server.ServerListPingEvent;
import java.util.UUID;
import java.util.logging.Level;
import java.util.regex.Pattern;
public class AOListener implements Listener {
private final Pattern pat = Pattern.compile("^[a-zA-Z0-9_-]{3,16}$");//The regex to verify usernames;
private final SpigotLoader spigotLoader;
private String MOTD;
public AOListener(SpigotLoader spigotLoader) {
this.spigotLoader = spigotLoader;
this.MOTD = ChatColor.translateAlternateColorCodes('&', this.spigotLoader.alwaysOnline.config.getProperty("message-motd-offline",
"&eMojang servers are down,\\n&ebut you can still connect!"));
if ("null".equals(this.MOTD))
this.MOTD = null;
}
@EventHandler(priority = EventPriority.HIGHEST)
public void onMOTD(ServerListPingEvent event) {
if (AlwaysOnline.MOJANG_OFFLINE_MODE && this.MOTD != null)
event.setMotd(this.MOTD);
}
//Low priority so that we can go first. ignoreCancelled is set to false to prevent some security concern.
@EventHandler(priority = EventPriority.LOWEST)
public void onAsyncPreLogin(AsyncPlayerPreLoginEvent event) {
if (AlwaysOnline.MOJANG_OFFLINE_MODE) {
String username = event.getName();
if (!this.validate(username)) {
event.disallow(AsyncPlayerPreLoginEvent.Result.KICK_OTHER,
this.spigotLoader.alwaysOnline.config.getProperty("message-kick-invalid", "Invalid username. Hacking?"));
return;
}
String ip = event.getAddress().getHostAddress();
String lastIP = this.spigotLoader.alwaysOnline.database.getIP(username);
if (lastIP == null) {
event.disallow(AsyncPlayerPreLoginEvent.Result.KICK_OTHER,
this.spigotLoader.alwaysOnline.config.getProperty("message-kick-new", "We can not let you join because the mojang servers are offline!"));
} else {
if (!lastIP.equals(ip)) {
event.disallow(AsyncPlayerPreLoginEvent.Result.KICK_OTHER,
this.spigotLoader.alwaysOnline.config.getProperty("message-kick-ip",
"We can not let you join since you are not on the same computer you logged on before!"));
} else {
this.spigotLoader.log(Level.INFO, username + " was successfully authenticated while mojang servers were offline. Connecting IP is " + ip + " and the last authenticated known IP was " + lastIP);
}
}
}
}
@EventHandler
public void onPostLogin(PlayerJoinEvent event) {
if (!AlwaysOnline.MOJANG_OFFLINE_MODE) {
final String username = event.getPlayer().getName();
final String ip = event.getPlayer().getAddress().getAddress().getHostAddress();
final UUID uuid = event.getPlayer().getUniqueId();
this.spigotLoader.getServer().getScheduler().runTaskAsynchronously(this.spigotLoader, new Runnable() {
@Override
public void run() {
AOListener.this.spigotLoader.alwaysOnline.database.updatePlayer(username, ip, uuid);
}
});
}
}
/**
* Validate username with regular expression
*
* @param username username for validation
* @return true valid username, false invalid username
*/
public boolean validate(String username) {
return username != null && pat.matcher(username).matches();
}
}
