[TinyProtocol] Add support for intercepting login and status packets.
Dieser Commit ist enthalten in:
Kristian S. Stangeland
Ursprung
be238f6ac6
Commit
4dea26b847
@ -4,8 +4,11 @@ import org.bukkit.Location;
|
||||
import org.bukkit.entity.Player;
|
||||
import org.bukkit.plugin.java.JavaPlugin;
|
||||
|
||||
import com.comphenix.tinyprotocol.Reflection.ConstructorInvoker;
|
||||
import com.comphenix.tinyprotocol.Reflection.FieldAccessor;
|
||||
|
||||
import net.minecraft.util.io.netty.channel.Channel;
|
||||
|
||||
public class ExamplePlugin extends JavaPlugin {
|
||||
// Chat packets
|
||||
private FieldAccessor<String> CHAT_MESSAGE = Reflection.getField(
|
||||
@ -19,13 +22,21 @@ public class ExamplePlugin extends JavaPlugin {
|
||||
private FieldAccessor<Float> particleZ = Reflection.getField(particleClass, float.class, 2);
|
||||
private FieldAccessor<Integer> particleCount = Reflection.getField(particleClass, int.class, 0);
|
||||
|
||||
// Server info packet
|
||||
private Class<?> serverInfoClass = Reflection.getClass("{nms}.PacketStatusOutServerInfo");
|
||||
private Class<Object> serverPingClass = Reflection.getUntypedClass("{nms}.ServerPing");
|
||||
private Class<Object> playerSampleClass = Reflection.getUntypedClass("{nms}.ServerPingPlayerSample");
|
||||
private FieldAccessor<Object> serverPing = Reflection.getField(serverInfoClass, serverPingClass, 0);
|
||||
private FieldAccessor<Object> playerSample = Reflection.getField(serverPingClass, playerSampleClass, 0);
|
||||
private ConstructorInvoker playerSampleInvoker = Reflection.getConstructor(playerSampleClass, int.class, int.class);
|
||||
|
||||
private TinyProtocol protocol;
|
||||
|
||||
@Override
|
||||
public void onEnable() {
|
||||
protocol = new TinyProtocol(this) {
|
||||
@Override
|
||||
public Object onPacketInAsync(Player sender, Object packet) {
|
||||
public Object onPacketInAsync(Player sender, Channel channel, Object packet) {
|
||||
// Cancel chat packets
|
||||
if (CHAT_MESSAGE.hasField(packet)) {
|
||||
if (CHAT_MESSAGE.get(packet).contains("dirty")) {
|
||||
@ -36,7 +47,20 @@ public class ExamplePlugin extends JavaPlugin {
|
||||
if (particleName.hasField(packet)) {
|
||||
System.out.println("Sending particle field:" + packet);
|
||||
}
|
||||
return super.onPacketInAsync(sender, packet);
|
||||
return super.onPacketInAsync(sender, channel, packet);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Object onPacketOutAsync(Player reciever, Channel channel, Object packet) {
|
||||
if (serverInfoClass.isInstance(packet)) {
|
||||
Object ping = serverPing.get(packet);
|
||||
playerSample.set(ping, playerSampleInvoker.invoke(1000, 0));
|
||||
|
||||
// Which is equivalent to:
|
||||
//serverPing.get(packet).setPlayerSample(new ServerPingPlayerSample(1000, 0));
|
||||
return packet;
|
||||
}
|
||||
return super.onPacketOutAsync(reciever, channel, packet);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
@ -1,5 +1,6 @@
|
||||
package com.comphenix.tinyprotocol;
|
||||
|
||||
import java.lang.reflect.Constructor;
|
||||
import java.lang.reflect.Field;
|
||||
import java.lang.reflect.Method;
|
||||
import java.util.Arrays;
|
||||
@ -8,11 +9,25 @@ import java.util.regex.Pattern;
|
||||
|
||||
import org.bukkit.Bukkit;
|
||||
|
||||
import com.comphenix.tinyprotocol.Reflection.FieldAccessor;
|
||||
|
||||
/**
|
||||
* An utility class that simplifies reflection in Bukkit plugins.
|
||||
* @author Kristian
|
||||
*/
|
||||
public final class Reflection {
|
||||
/**
|
||||
* An interface for invoking a specific constructor.
|
||||
*/
|
||||
public interface ConstructorInvoker {
|
||||
/**
|
||||
* Invoke a constructor for a specific class.
|
||||
* @param arguments - the arguments to pass to the constructor.
|
||||
* @return The constructed object.
|
||||
*/
|
||||
public Object invoke(Object... arguments);
|
||||
}
|
||||
|
||||
/**
|
||||
* An interface for invoking a specific method.
|
||||
*/
|
||||
@ -161,7 +176,7 @@ public final class Reflection {
|
||||
* @throws IllegalStateException If we cannot find this method.
|
||||
*/
|
||||
public static MethodInvoker getMethod(String className, String methodName, Class<?>... params) {
|
||||
return getMethod(getClass(className), methodName, params);
|
||||
return getTypedMethod(getClass(className), methodName, null, params);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -173,10 +188,24 @@ public final class Reflection {
|
||||
* @throws IllegalStateException If we cannot find this method.
|
||||
*/
|
||||
public static MethodInvoker getMethod(Class<?> clazz, String methodName, Class<?>... params) {
|
||||
return getTypedMethod(clazz, methodName, null, params);
|
||||
}
|
||||
|
||||
/**
|
||||
* Search for the first publically and privately defined method of the given name and parameter count.
|
||||
* @param clazz - a class to start with.
|
||||
* @param methodName - the method name, or NULL to skip.
|
||||
* @param returnType - the expected return type, or NULL to ignore.
|
||||
* @param params - the expected parameters.
|
||||
* @return An object that invokes this specific method.
|
||||
* @throws IllegalStateException If we cannot find this method.
|
||||
*/
|
||||
public static MethodInvoker getTypedMethod(Class<?> clazz, String methodName, Class<?> returnType, Class<?>... params) {
|
||||
for (final Method method : clazz.getDeclaredMethods()) {
|
||||
if ((methodName == null || method.getName().equals(methodName)) &&
|
||||
(returnType == null) || method.getReturnType().equals(returnType) &&
|
||||
Arrays.equals(method.getParameterTypes(), params)) {
|
||||
|
||||
|
||||
method.setAccessible(true);
|
||||
return new MethodInvoker() {
|
||||
@Override
|
||||
@ -196,7 +225,61 @@ public final class Reflection {
|
||||
throw new IllegalStateException(String.format(
|
||||
"Unable to find method %s (%s).", methodName, Arrays.asList(params)));
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Search for the first publically and privately defined constructor of the given name and parameter count.
|
||||
* @param className - lookup name of the class, see {@link #getClass(String)}.
|
||||
* @param params - the expected parameters.
|
||||
* @return An object that invokes this constructor.
|
||||
* @throws IllegalStateException If we cannot find this method.
|
||||
*/
|
||||
public static ConstructorInvoker getConstructor(String className, Class<?>... params) {
|
||||
return getConstructor(getClass(className), params);
|
||||
}
|
||||
|
||||
/**
|
||||
* Search for the first publically and privately defined constructor of the given name and parameter count.
|
||||
* @param clazz - a class to start with.
|
||||
* @param params - the expected parameters.
|
||||
* @return An object that invokes this constructor.
|
||||
* @throws IllegalStateException If we cannot find this method.
|
||||
*/
|
||||
public static ConstructorInvoker getConstructor(Class<?> clazz, Class<?>... params) {
|
||||
for (final Constructor<?> constructor : clazz.getDeclaredConstructors()) {
|
||||
if (Arrays.equals(constructor.getParameterTypes(), params)) {
|
||||
|
||||
constructor.setAccessible(true);
|
||||
return new ConstructorInvoker() {
|
||||
@Override
|
||||
public Object invoke(Object... arguments) {
|
||||
try {
|
||||
return constructor.newInstance(arguments);
|
||||
} catch (Exception e) {
|
||||
throw new RuntimeException("Cannot invoke constructor " + constructor, e);
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
}
|
||||
throw new IllegalStateException(String.format(
|
||||
"Unable to find constructor for %s (%s).", clazz, Arrays.asList(params)));
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieve a class from its full name, without knowing its type on compile time.
|
||||
* <p>
|
||||
* This is useful when looking up fields by a NMS or OBC type.
|
||||
* <p>
|
||||
* @see {@link #getClass()} for more information.
|
||||
* @param lookupName - the class name with variables.
|
||||
* @return The class.
|
||||
*/
|
||||
public static Class<Object> getUntypedClass(String lookupName) {
|
||||
@SuppressWarnings({"rawtypes", "unchecked"})
|
||||
Class<Object> clazz = (Class<Object>)(Class)getClass(lookupName);
|
||||
return clazz;
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieve a class from its full name.
|
||||
* <p>
|
||||
|
||||
@ -1,53 +1,169 @@
|
||||
package com.comphenix.tinyprotocol;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.logging.Level;
|
||||
|
||||
import net.minecraft.util.com.mojang.authlib.GameProfile;
|
||||
// These are not versioned, but they require CraftBukkit
|
||||
import net.minecraft.util.io.netty.channel.Channel;
|
||||
import net.minecraft.util.io.netty.channel.ChannelDuplexHandler;
|
||||
import net.minecraft.util.io.netty.channel.ChannelFuture;
|
||||
import net.minecraft.util.io.netty.channel.ChannelHandlerContext;
|
||||
import net.minecraft.util.io.netty.channel.ChannelInboundHandlerAdapter;
|
||||
import net.minecraft.util.io.netty.channel.ChannelInitializer;
|
||||
import net.minecraft.util.io.netty.channel.ChannelPipeline;
|
||||
import net.minecraft.util.io.netty.channel.ChannelPromise;
|
||||
|
||||
import org.bukkit.Bukkit;
|
||||
import org.bukkit.entity.Player;
|
||||
import org.bukkit.event.EventHandler;
|
||||
import org.bukkit.event.EventPriority;
|
||||
import org.bukkit.event.HandlerList;
|
||||
import org.bukkit.event.Listener;
|
||||
import org.bukkit.event.player.PlayerJoinEvent;
|
||||
import org.bukkit.event.player.PlayerLoginEvent;
|
||||
import org.bukkit.event.server.PluginDisableEvent;
|
||||
import org.bukkit.plugin.Plugin;
|
||||
|
||||
import com.comphenix.tinyprotocol.Reflection.FieldAccessor;
|
||||
import com.comphenix.tinyprotocol.Reflection.MethodInvoker;
|
||||
import com.google.common.collect.Lists;
|
||||
import com.google.common.collect.MapMaker;
|
||||
|
||||
/**
|
||||
* Represents a very tiny alternative to ProtocolLib in 1.7.2.
|
||||
* <p>
|
||||
* Note that it does not support intercepting packets sent during login (such as OUT_SERVER_PING).
|
||||
* It now supports intercepting packets during login and status ping (such as OUT_SERVER_PING)!
|
||||
* @author Kristian
|
||||
*/
|
||||
public abstract class TinyProtocol {
|
||||
// Used in order to lookup a channel
|
||||
private MethodInvoker getPlayerHandle = Reflection.getMethod("{obc}.entity.CraftPlayer", "getHandle");
|
||||
private FieldAccessor<Object> getConnection = Reflection.getField("{nms}.EntityPlayer", "playerConnection", Object.class);
|
||||
private FieldAccessor<Object> getManager = Reflection.getField("{nms}.PlayerConnection", "networkManager", Object.class);
|
||||
private FieldAccessor<Channel> getChannel = Reflection.getField("{nms}.NetworkManager", Channel.class, 0);
|
||||
private static final MethodInvoker getPlayerHandle = Reflection.getMethod("{obc}.entity.CraftPlayer", "getHandle");
|
||||
private static final FieldAccessor<Object> getConnection = Reflection.getField("{nms}.EntityPlayer", "playerConnection", Object.class);
|
||||
private static final FieldAccessor<Object> getManager = Reflection.getField("{nms}.PlayerConnection", "networkManager", Object.class);
|
||||
private static final FieldAccessor<Channel> getChannel = Reflection.getField("{nms}.NetworkManager", Channel.class, 0);
|
||||
|
||||
// Looking up ServerConnection
|
||||
private static final Class<Object> minecraftServerClass = Reflection.getUntypedClass("{nms}.MinecraftServer");
|
||||
private static final Class<Object> serverConnectionClass = Reflection.getUntypedClass("{nms}.ServerConnection");
|
||||
private static final FieldAccessor<Object> getMinecraftServer = Reflection.getField("{obc}.CraftServer", minecraftServerClass, 0);
|
||||
private static final FieldAccessor<Object> getServerConnection = Reflection.getField(minecraftServerClass, serverConnectionClass, 0);
|
||||
private static final MethodInvoker getNetworkMarkers = Reflection.getTypedMethod(serverConnectionClass, null, List.class, serverConnectionClass);
|
||||
|
||||
// Packets we have to intercept
|
||||
private static final Class<?> PACKET_LOGIN_IN_START = Reflection.getMinecraftClass("PacketLoginInStart");
|
||||
private static final FieldAccessor<GameProfile> getGameProfile = Reflection.getField(PACKET_LOGIN_IN_START, GameProfile.class, 0);
|
||||
|
||||
// Speedup channel lookup
|
||||
private Map<Player, Channel> channelLookup = new MapMaker().weakKeys().makeMap();
|
||||
private Map<String, Channel> channelLookup = new MapMaker().weakKeys().makeMap();
|
||||
private Listener listener;
|
||||
|
||||
protected boolean closed;
|
||||
// List of network markers
|
||||
private List<Object> networkManagers;
|
||||
|
||||
// Injected channel handlers
|
||||
private List<Channel> serverChannels = Lists.newArrayList();
|
||||
private ChannelInboundHandlerAdapter serverChannelHandler;
|
||||
private ChannelInitializer<Channel> beginInitProtocol;
|
||||
private ChannelInitializer<Channel> endInitProtocol;
|
||||
|
||||
protected volatile boolean closed;
|
||||
protected Plugin plugin;
|
||||
|
||||
public TinyProtocol(Plugin plugin) {
|
||||
this.plugin = plugin;
|
||||
this.plugin.getServer().getPluginManager().registerEvents(
|
||||
listener = createListener(), plugin);
|
||||
listener = createListener(), plugin);
|
||||
|
||||
// Prepare existing players
|
||||
registerChannelHandler();
|
||||
registerPlayers(plugin);
|
||||
}
|
||||
|
||||
private void createServerChannelHandler() {
|
||||
// Handle connected channels
|
||||
endInitProtocol = new ChannelInitializer<Channel>() {
|
||||
@Override
|
||||
protected void initChannel(Channel channel) throws Exception {
|
||||
try {
|
||||
// This can take a while, so we need to stop the main thread from interfering
|
||||
synchronized (networkManagers) {
|
||||
// Stop injecting channels
|
||||
if (closed)
|
||||
return;
|
||||
injectChannel(channel);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
plugin.getLogger().log(Level.SEVERE, "Cannot inject incomming channel " + channel, e);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
// This is executed before Minecraft's channel handler
|
||||
beginInitProtocol = new ChannelInitializer<Channel>() {
|
||||
@Override
|
||||
protected void initChannel(Channel channel) throws Exception {
|
||||
channel.pipeline().addLast(endInitProtocol);
|
||||
}
|
||||
};
|
||||
|
||||
serverChannelHandler = new ChannelInboundHandlerAdapter() {
|
||||
@Override
|
||||
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
|
||||
Channel channel = (Channel) msg;
|
||||
|
||||
// Prepare to initialize ths channel
|
||||
channel.pipeline().addFirst(beginInitProtocol);
|
||||
ctx.fireChannelRead(msg);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
@SuppressWarnings("unchecked")
|
||||
private void registerChannelHandler() {
|
||||
Object mcServer = getMinecraftServer.get(Bukkit.getServer());
|
||||
Object serverConnection = getServerConnection.get(mcServer);
|
||||
boolean looking = true;
|
||||
|
||||
// We need to synchronize against this list
|
||||
networkManagers = (List<Object>) getNetworkMarkers.invoke(null, serverConnection);
|
||||
createServerChannelHandler();
|
||||
|
||||
// Find the correct list, or implicitly throw an exception
|
||||
for (int i = 0; looking; i++) {
|
||||
List<Object> list = Reflection.getField(serverConnection.getClass(), List.class, i).get(serverConnection);
|
||||
|
||||
for (Object item : list) {
|
||||
if (!ChannelFuture.class.isInstance(item))
|
||||
break;
|
||||
|
||||
// Channel future that contains the server connection
|
||||
Channel serverChannel = ((ChannelFuture)item).channel();
|
||||
|
||||
serverChannels.add(serverChannel);
|
||||
serverChannel.pipeline().addFirst(serverChannelHandler);
|
||||
looking = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void unregisterChannelHandler() {
|
||||
if (serverChannelHandler == null)
|
||||
return;
|
||||
|
||||
for (Channel serverChannel : serverChannels) {
|
||||
final ChannelPipeline pipeline = serverChannel.pipeline();
|
||||
|
||||
// Remove channel handler
|
||||
serverChannel.eventLoop().execute(new Runnable() {
|
||||
public void run() {
|
||||
pipeline.remove(serverChannelHandler);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
private void registerPlayers(Plugin plugin) {
|
||||
for (Player player : plugin.getServer().getOnlinePlayers()) {
|
||||
injectPlayer(player);
|
||||
}
|
||||
@ -57,21 +173,25 @@ public abstract class TinyProtocol {
|
||||
* Invoked when the server is starting to send a packet to a player.
|
||||
* <p>
|
||||
* Note that this is not executed on the main thread.
|
||||
* @param reciever - the receiving player.
|
||||
* @param reciever - the receiving player, NULL for early login/status packets.
|
||||
* @param remoteAddress - remote address of the sending client. Never NULL.
|
||||
* @param packet - the packet being sent.
|
||||
* @return The packet to send instead, or NULL to cancel the transmission.
|
||||
*/
|
||||
public Object onPacketOutAsync(Player reciever, Object packet) {
|
||||
public Object onPacketOutAsync(Player reciever, Channel channel, Object packet) {
|
||||
return packet;
|
||||
}
|
||||
|
||||
/**
|
||||
* Invoked when the server has received a packet from a given player.
|
||||
* @param sender - the player that sent the packet.
|
||||
* @param packet - the packet being sent.
|
||||
* <p>
|
||||
* Use {@link Channel#remoteAddress()} to get the remote address of the client.
|
||||
* @param sender - the player that sent the packet, NULL for early login/status packets.
|
||||
* @param channel - channel that received the packet. Never NULL.
|
||||
* @param packet - the packet being received.
|
||||
* @return The packet to recieve instead, or NULL to cancel.
|
||||
*/
|
||||
public Object onPacketInAsync(Player sender, Object packet) {
|
||||
public Object onPacketInAsync(Player sender, Channel channel, Object packet) {
|
||||
return packet;
|
||||
}
|
||||
|
||||
@ -83,9 +203,20 @@ public abstract class TinyProtocol {
|
||||
* @param packet - the packet to send.
|
||||
*/
|
||||
public void sendPacket(Player player, Object packet) {
|
||||
getChannel(player).pipeline().writeAndFlush(packet);
|
||||
sendPacket(getChannel(player), packet);
|
||||
}
|
||||
|
||||
/**
|
||||
* Send a packet to a particular client.
|
||||
* <p>
|
||||
* Note that {@link #onPacketOutAsync(Player, Object)} will be invoked with this packet.
|
||||
* @param channel - client identified by a channel.
|
||||
* @param packet - the packet to send.
|
||||
*/
|
||||
public void sendPacket(Channel channel, Object packet) {
|
||||
channel.pipeline().writeAndFlush(packet);
|
||||
}
|
||||
|
||||
/**
|
||||
* Pretend that a given packet has been received from a player.
|
||||
* <p>
|
||||
@ -94,7 +225,18 @@ public abstract class TinyProtocol {
|
||||
* @param packet - the packet that will be received by the server.
|
||||
*/
|
||||
public void receivePacket(Player player, Object packet) {
|
||||
getChannel(player).pipeline().context("encoder").fireChannelRead(packet);
|
||||
receivePacket(getChannel(player), packet);
|
||||
}
|
||||
|
||||
/**
|
||||
* Pretend that a given packet has been received from a given client.
|
||||
* <p>
|
||||
* Note that {@link #onPacketInAsync(Player, Object)} will be invoked with this packet.
|
||||
* @param channel - client identified by a channel.
|
||||
* @param packet - the packet that will be received by the server.
|
||||
*/
|
||||
public void receivePacket(Channel channel, Object packet) {
|
||||
channel.pipeline().context("encoder").fireChannelRead(packet);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -106,40 +248,36 @@ public abstract class TinyProtocol {
|
||||
protected String getHandlerName() {
|
||||
return "tiny-" + plugin.getName();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Add a custom channel handler to the given player's channel pipeline, allowing us to intercept sent and received packets.
|
||||
* Add a custom channel handler to the given player's channel pipeline,
|
||||
* allowing us to intercept sent and received packets.
|
||||
* @param player - the player to inject.
|
||||
*/
|
||||
private void injectPlayer(final Player player) {
|
||||
// Inject our packet interceptor
|
||||
getChannel(player).pipeline().addBefore("packet_handler", getHandlerName(), new ChannelDuplexHandler() {
|
||||
@Override
|
||||
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
|
||||
try {
|
||||
msg = onPacketInAsync(player, msg);
|
||||
} catch (Exception e) {
|
||||
plugin.getLogger().log(Level.SEVERE, "Error in onPacketInAsync().", e);
|
||||
}
|
||||
|
||||
if (msg != null) {
|
||||
super.channelRead(ctx, msg);
|
||||
}
|
||||
}
|
||||
private void injectPlayer(Player player) {
|
||||
injectChannel(getChannel(player)).player = player;
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a custom channel handler to the given channel.
|
||||
* @param player - the channel to inject.
|
||||
*/
|
||||
private PacketInterceptor injectChannel(Channel channel) {
|
||||
String handlerName = getHandlerName();
|
||||
|
||||
try {
|
||||
PacketInterceptor interceptor = (PacketInterceptor) channel.pipeline().get(handlerName);
|
||||
|
||||
@Override
|
||||
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
|
||||
try {
|
||||
msg = onPacketOutAsync(player, msg);
|
||||
} catch (Exception e) {
|
||||
plugin.getLogger().log(Level.SEVERE, "Error in onPacketOutAsync().", e);
|
||||
}
|
||||
|
||||
if (msg != null) {
|
||||
super.write(ctx, msg, promise);
|
||||
}
|
||||
// Inject our packet interceptor
|
||||
if (interceptor == null) {
|
||||
interceptor = new PacketInterceptor();
|
||||
channel.pipeline().addBefore("packet_handler", handlerName, interceptor);
|
||||
}
|
||||
});
|
||||
return interceptor;
|
||||
} catch (IllegalArgumentException e) {
|
||||
// Try again
|
||||
return (PacketInterceptor) channel.pipeline().get(handlerName);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
@ -148,14 +286,14 @@ public abstract class TinyProtocol {
|
||||
* @return The Netty channel.
|
||||
*/
|
||||
private Channel getChannel(Player player) {
|
||||
Channel channel = channelLookup.get(player);
|
||||
Channel channel = channelLookup.get(player.getName());
|
||||
|
||||
// Lookup channel again
|
||||
if (channel == null) {
|
||||
Object connection = getConnection.get(getPlayerHandle.invoke(player));
|
||||
Object manager = getManager.get(connection);
|
||||
|
||||
channelLookup.put(player, channel = getChannel.get(manager));
|
||||
channelLookup.put(player.getName(), channel = getChannel.get(manager));
|
||||
}
|
||||
return channel;
|
||||
}
|
||||
@ -166,7 +304,7 @@ public abstract class TinyProtocol {
|
||||
private Listener createListener() {
|
||||
return new Listener() {
|
||||
@EventHandler(priority = EventPriority.LOWEST)
|
||||
public final void onPlayerJoin(PlayerJoinEvent e) {
|
||||
public final void onPlayerLogin(PlayerLoginEvent e) {
|
||||
if (closed)
|
||||
return;
|
||||
injectPlayer(e.getPlayer());
|
||||
@ -205,6 +343,52 @@ public abstract class TinyProtocol {
|
||||
|
||||
// Clean up Bukkit
|
||||
HandlerList.unregisterAll(listener);
|
||||
unregisterChannelHandler();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Channel handler that is inserted into the player's channel pipeline, allowing us to intercept sent and received packets.
|
||||
* @author Kristian
|
||||
*/
|
||||
private final class PacketInterceptor extends ChannelDuplexHandler {
|
||||
// Updated by the login event
|
||||
public volatile Player player;
|
||||
|
||||
@Override
|
||||
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
|
||||
// Intercept channel
|
||||
final Channel channel = ctx.channel();
|
||||
handleLoginStart(channel, msg);
|
||||
|
||||
try {
|
||||
msg = onPacketInAsync(player, channel, msg);
|
||||
} catch (Exception e) {
|
||||
plugin.getLogger().log(Level.SEVERE, "Error in onPacketInAsync().", e);
|
||||
}
|
||||
|
||||
if (msg != null) {
|
||||
super.channelRead(ctx, msg);
|
||||
}
|
||||
}
|
||||
@Override
|
||||
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
|
||||
try {
|
||||
msg = onPacketOutAsync(player, ctx.channel(), msg);
|
||||
} catch (Exception e) {
|
||||
plugin.getLogger().log(Level.SEVERE, "Error in onPacketOutAsync().", e);
|
||||
}
|
||||
|
||||
if (msg != null) {
|
||||
super.write(ctx, msg, promise);
|
||||
}
|
||||
}
|
||||
|
||||
private void handleLoginStart(Channel channel, Object packet) {
|
||||
if (PACKET_LOGIN_IN_START.isInstance(packet)) {
|
||||
GameProfile profile = getGameProfile.get(packet);
|
||||
channelLookup.put(profile.getName(), channel);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
In neuem Issue referenzieren
Einen Benutzer sperren