AtlasMediaGroup/TotalFreedomMod
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Handle player online check in AsyncPlayerPreLoginEvent

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Apparently, online players with the same username are kicked before PlayerLoginEvent is called. This commit moves the online player check to AsyncPlayerPreloginEvent so the default behaviour can still be modified

Fixes #642
This commit is contained in:
JeromSar
2015-05-30 20:51:49 +02:00
parent a4d8f4646e
commit c002fbc537
8 changed files with 133 additions and 188 deletions
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65
src/me/StevenLawson/TotalFreedomMod/TFM_ServerInterface.java
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@ -5,12 +5,14 @@ import java.util.List;
import java.util.UUID;
import java.util.regex.Pattern;
import me.StevenLawson.TotalFreedomMod.Config.TFM_ConfigEntry;
import static me.StevenLawson.TotalFreedomMod.Listener.TFM_PlayerListener.DEFAULT_PORT;
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.AsyncPlayerPreLoginEvent;
import org.bukkit.event.player.PlayerLoginEvent;
import org.bukkit.event.player.PlayerLoginEvent.Result;
@ -62,6 +64,29 @@ public class TFM_ServerInterface
return MinecraftServer.getServer().getVersion();
}
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;
@ -70,19 +95,38 @@ public class TFM_ServerInterface
final String ip = event.getAddress().getHostAddress().trim();
final UUID uuid = TFM_UuidManager.newPlayer(player, ip);
// Perform username checks
// 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("FML", ""); // 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 == 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);
@ -93,15 +137,6 @@ public class TFM_ServerInterface
// 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.");
}
}
int count = server.getOnlinePlayers().size();
if (count >= server.getMaxPlayers())
{
@ -151,16 +186,6 @@ public class TFM_ServerInterface
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())
{