geforkt von Mirrors/Velocity
Fix up player info forwarding.
Dieser Commit ist enthalten in:
Ursprung
95bd152fee
Commit
8068f72729
@ -15,7 +15,6 @@ import com.velocitypowered.proxy.protocol.packet.*;
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import com.velocitypowered.proxy.connection.MinecraftSessionHandler;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.ChannelPipeline;
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import net.kyori.text.TextComponent;
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import javax.crypto.Mac;
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@ -23,27 +22,16 @@ import javax.crypto.SecretKey;
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import javax.crypto.spec.SecretKeySpec;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import java.util.concurrent.ScheduledFuture;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.CompletableFuture;
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public class LoginSessionHandler implements MinecraftSessionHandler {
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private final ServerConnection connection;
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private ScheduledFuture<?> forwardingCheckTask;
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private boolean informationForwarded;
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public LoginSessionHandler(ServerConnection connection) {
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this.connection = connection;
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}
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@Override
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public void activated() {
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if (VelocityServer.getServer().getConfiguration().getPlayerInfoForwardingMode() == PlayerInfoForwarding.MODERN) {
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forwardingCheckTask = connection.getMinecraftConnection().getChannel().eventLoop().schedule(() -> {
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connection.getProxyPlayer().handleConnectionException(connection.getServerInfo(),
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TextComponent.of("Your server did not send the forwarding request in time. Is it set up correctly?"));
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}, 1, TimeUnit.SECONDS);
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}
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}
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@Override
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public void handle(MinecraftPacket packet) {
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if (packet instanceof EncryptionRequest) {
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@ -60,11 +48,7 @@ public class LoginSessionHandler implements MinecraftSessionHandler {
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connection.getProxyPlayer().getRemoteAddress().getHostString(),
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connection.getProxyPlayer().getProfile()));
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connection.getMinecraftConnection().write(response);
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cancelForwardingCheck();
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ServerLogin login = new ServerLogin();
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login.setUsername(connection.getProxyPlayer().getUsername());
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connection.getMinecraftConnection().write(login);
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informationForwarded = true;
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} else {
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// Don't understand
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LoginPluginResponse response = new LoginPluginResponse();
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@ -75,16 +59,21 @@ public class LoginSessionHandler implements MinecraftSessionHandler {
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}
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} else if (packet instanceof Disconnect) {
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Disconnect disconnect = (Disconnect) packet;
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connection.disconnect();
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// Do we have an outstanding notification? If so, fulfill it.
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doNotify(ConnectionRequestResults.forDisconnect(disconnect));
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connection.getProxyPlayer().handleConnectionException(connection.getServerInfo(), disconnect);
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connection.disconnect();
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} else if (packet instanceof SetCompression) {
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SetCompression sc = (SetCompression) packet;
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connection.getMinecraftConnection().setCompressionThreshold(sc.getThreshold());
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} else if (packet instanceof ServerLoginSuccess) {
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if (VelocityServer.getServer().getConfiguration().getPlayerInfoForwardingMode() == PlayerInfoForwarding.MODERN &&
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!informationForwarded) {
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doNotify(ConnectionRequestResults.forDisconnect(
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TextComponent.of("Your server did not send a forwarding request to the proxy. Is it set up correctly?")));
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connection.disconnect();
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return;
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}
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// The player has been logged on to the backend server.
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connection.getMinecraftConnection().setState(StateRegistry.PLAY);
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ServerConnection existingConnection = connection.getProxyPlayer().getConnectedServer();
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@ -96,37 +85,26 @@ public class LoginSessionHandler implements MinecraftSessionHandler {
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existingConnection.disconnect();
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}
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// Do we have an outstanding notification? If so, fulfill it.
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doNotify(ConnectionRequestResults.SUCCESSFUL);
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connection.getMinecraftConnection().setSessionHandler(new BackendPlaySessionHandler(connection));
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connection.getProxyPlayer().setConnectedServer(connection);
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}
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}
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@Override
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public void deactivated() {
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cancelForwardingCheck();
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}
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@Override
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public void exception(Throwable throwable) {
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connection.getProxyPlayer().handleConnectionException(connection.getServerInfo(), throwable);
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}
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private void doNotify(ConnectionRequestBuilder.Result result) {
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ChannelPipeline pipeline = connection.getMinecraftConnection().getChannel().pipeline();
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ServerConnection.ConnectionNotifier n = pipeline.get(ServerConnection.ConnectionNotifier.class);
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if (n != null) {
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n.getResult().complete(result);
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pipeline.remove(ServerConnection.ConnectionNotifier.class);
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CompletableFuture<ConnectionRequestBuilder.Result> future = connection.getMinecraftConnection().getChannel()
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.attr(ServerConnection.CONNECTION_NOTIFIER).getAndSet(null);
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if (future != null) {
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future.completeExceptionally(throwable);
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}
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}
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private void cancelForwardingCheck() {
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if (forwardingCheckTask != null) {
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forwardingCheckTask.cancel(false);
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forwardingCheckTask = null;
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private void doNotify(ConnectionRequestBuilder.Result result) {
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CompletableFuture<ConnectionRequestBuilder.Result> future = connection.getMinecraftConnection().getChannel()
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.attr(ServerConnection.CONNECTION_NOTIFIER).getAndSet(null);
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if (future != null) {
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future.complete(result);
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}
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}
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@ -18,6 +18,7 @@ import com.velocitypowered.proxy.VelocityServer;
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import com.velocitypowered.proxy.connection.client.ConnectedPlayer;
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import io.netty.channel.*;
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import io.netty.handler.timeout.ReadTimeoutHandler;
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import io.netty.util.AttributeKey;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.TimeUnit;
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@ -31,7 +32,8 @@ import static com.velocitypowered.network.Connections.READ_TIMEOUT;
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import static com.velocitypowered.network.Connections.SERVER_READ_TIMEOUT_SECONDS;
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public class ServerConnection implements MinecraftConnectionAssociation {
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static final String CONNECTION_NOTIFIER = "connection-notifier";
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static final AttributeKey<CompletableFuture<ConnectionRequestBuilder.Result>> CONNECTION_NOTIFIER =
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AttributeKey.newInstance("connection-notification-result");
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private final ServerInfo serverInfo;
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private final ConnectedPlayer proxyPlayer;
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@ -55,9 +57,9 @@ public class ServerConnection implements MinecraftConnectionAssociation {
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.addLast(FRAME_DECODER, new MinecraftVarintFrameDecoder())
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.addLast(FRAME_ENCODER, MinecraftVarintLengthEncoder.INSTANCE)
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.addLast(MINECRAFT_DECODER, new MinecraftDecoder(ProtocolConstants.Direction.CLIENTBOUND))
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.addLast(MINECRAFT_ENCODER, new MinecraftEncoder(ProtocolConstants.Direction.SERVERBOUND))
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.addLast(CONNECTION_NOTIFIER, new ConnectionNotifier(result));
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.addLast(MINECRAFT_ENCODER, new MinecraftEncoder(ProtocolConstants.Direction.SERVERBOUND));
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ch.attr(CONNECTION_NOTIFIER).set(result);
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MinecraftConnection connection = new MinecraftConnection(ch);
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connection.setState(StateRegistry.HANDSHAKE);
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connection.setAssociation(ServerConnection.this);
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@ -93,7 +95,7 @@ public class ServerConnection implements MinecraftConnectionAssociation {
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}
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private void startHandshake() {
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PlayerInfoForwarding forwardingMode = VelocityServer.getServer().getConfiguration().getPlayerInfoForwardingMode();
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PlayerInfoForwarding forwardingMode = VelocityServer.getServer().getConfiguration().getPlayerInfoForwardingMode();
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// Initiate a handshake.
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Handshake handshake = new Handshake();
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@ -111,12 +113,9 @@ public class ServerConnection implements MinecraftConnectionAssociation {
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minecraftConnection.setProtocolVersion(protocolVersion);
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minecraftConnection.setState(StateRegistry.LOGIN);
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// Send the server login packet for <=1.12.2 and for 1.13+ servers not using "modern" forwarding.
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if (protocolVersion <= ProtocolConstants.MINECRAFT_1_12_2 || forwardingMode != PlayerInfoForwarding.MODERN) {
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ServerLogin login = new ServerLogin();
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login.setUsername(proxyPlayer.getUsername());
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minecraftConnection.write(login);
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}
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ServerLogin login = new ServerLogin();
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login.setUsername(proxyPlayer.getUsername());
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minecraftConnection.write(login);
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}
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public ConnectedPlayer getProxyPlayer() {
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@ -140,25 +139,4 @@ public class ServerConnection implements MinecraftConnectionAssociation {
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public String toString() {
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return "[server connection] " + proxyPlayer.getProfile().getName() + " -> " + serverInfo.getName();
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}
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static class ConnectionNotifier extends ChannelInboundHandlerAdapter {
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private final CompletableFuture<ConnectionRequestBuilder.Result> result;
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public ConnectionNotifier(CompletableFuture<ConnectionRequestBuilder.Result> result) {
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this.result = result;
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}
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public CompletableFuture<ConnectionRequestBuilder.Result> getResult() {
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return result;
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}
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public void onComplete() {
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result.complete(ConnectionRequestResults.SUCCESSFUL);
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}
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@Override
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public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
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result.completeExceptionally(cause);
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}
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}
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}
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@ -247,7 +247,7 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
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@Override
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public void fireAndForget() {
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connect()
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.whenComplete((status, throwable) -> {
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.whenCompleteAsync((status, throwable) -> {
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if (throwable != null) {
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handleConnectionException(info, throwable);
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return;
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@ -267,7 +267,7 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
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handleConnectionException(info, Disconnect.create(status.getReason().orElse(ConnectionMessages.INTERNAL_SERVER_CONNECTION_ERROR)));
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break;
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}
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});
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}, connection.getChannel().eventLoop());
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}
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}
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}
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@ -3,6 +3,7 @@ package com.velocitypowered.proxy.connection.util;
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import com.velocitypowered.api.proxy.ConnectionRequestBuilder;
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import com.velocitypowered.proxy.protocol.packet.Disconnect;
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import net.kyori.text.Component;
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import net.kyori.text.TextComponent;
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import net.kyori.text.serializer.ComponentSerializers;
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import java.util.Optional;
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@ -42,4 +43,18 @@ public class ConnectionRequestResults {
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}
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};
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}
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public static ConnectionRequestBuilder.Result forDisconnect(TextComponent component) {
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return new ConnectionRequestBuilder.Result() {
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@Override
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public ConnectionRequestBuilder.Status getStatus() {
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return ConnectionRequestBuilder.Status.SERVER_DISCONNECTED;
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}
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@Override
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public Optional<Component> getReason() {
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return Optional.of(component);
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}
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};
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}
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}
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