#3602: Minecraft 24w04a support

api/src/main/java/net/md_5/bungee/api/connection/PendingConnection.java

@@ -2,7 +2,9 @@
 
 import java.net.InetSocketAddress;
 import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 import net.md_5.bungee.api.config.ListenerInfo;
+import org.jetbrains.annotations.ApiStatus;
 
 /**
  * Represents a user attempting to log into the proxy.
@@ -89,4 +91,18 @@ public interface PendingConnection extends Connection
      * @return Whether the client is using a legacy client.
      */
     boolean isLegacy();
+
+    /**
+     * Retrieves a cookie from this pending connection.
+     *
+     * @param cookie the resource location of the cookie, for example
+     * "bungeecord:my_cookie"
+     * @return a {@link CompletableFuture} that will be completed when the
+     * Cookie response is received. If the cookie is not set in the client, the
+     * {@link CompletableFuture} will complete with a null value
+     * @throws IllegalStateException if the player's version is not at least
+     * 1.20.5
+     */
+    @ApiStatus.Experimental
+    CompletableFuture<byte[]> retrieveCookie(String cookie);
 }

api/src/main/java/net/md_5/bungee/api/connection/ProxiedPlayer.java

@@ -3,6 +3,7 @@
 import java.util.Locale;
 import java.util.Map;
 import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
 import net.md_5.bungee.api.Callback;
 import net.md_5.bungee.api.ChatMessageType;
 import net.md_5.bungee.api.CommandSender;
@@ -13,6 +14,7 @@
 import net.md_5.bungee.api.config.ServerInfo;
 import net.md_5.bungee.api.event.ServerConnectEvent;
 import net.md_5.bungee.api.score.Scoreboard;
+import org.jetbrains.annotations.ApiStatus;
 
 /**
  * Represents a player whose connection is being connected to somewhere else,
@@ -339,4 +341,45 @@ public enum MainHand
      */
     @Deprecated
     Scoreboard getScoreboard();
+
+    /**
+     * Retrieves a cookie from this player.
+     *
+     * @param cookie the resource location of the cookie, for example
+     * "bungeecord:my_cookie"
+     * @return a {@link CompletableFuture} that will be completed when the
+     * Cookie response is received. If the cookie is not set in the client, the
+     * {@link CompletableFuture} will complete with a null value
+     * @throws IllegalStateException if the player's version is not at least
+     * 1.20.5
+     */
+    @ApiStatus.Experimental
+    CompletableFuture<byte[]> retrieveCookie(String cookie);
+
+    /**
+     * Stores a cookie in this player's client.
+     *
+     * @param cookie the resource location of the cookie, for example
+     * "bungeecord:my_cookie"
+     * @param data the data to store in the cookie
+     * @throws IllegalStateException if the player's version is not at least
+     * 1.20.5
+     */
+    @ApiStatus.Experimental
+    void storeCookie(String cookie, byte[] data);
+
+    /**
+     * Requests this player to connect to a different server specified by host
+     * and port.
+     *
+     * This is a client-side transfer - host and port should not specify a
+     * BungeeCord backend server.
+     *
+     * @param host the host of the server to transfer to
+     * @param port the port of the server to transfer to
+     * @throws IllegalStateException if the players version is not at least
+     * 1.20.5
+     */
+    @ApiStatus.Experimental
+    void transfer(String host, int port);
 }

protocol/src/main/java/net/md_5/bungee/protocol/AbstractPacketHandler.java

@@ -8,6 +8,8 @@
 import net.md_5.bungee.protocol.packet.ClientSettings;
 import net.md_5.bungee.protocol.packet.ClientStatus;
 import net.md_5.bungee.protocol.packet.Commands;
+import net.md_5.bungee.protocol.packet.CookieRequest;
+import net.md_5.bungee.protocol.packet.CookieResponse;
 import net.md_5.bungee.protocol.packet.EncryptionRequest;
 import net.md_5.bungee.protocol.packet.EncryptionResponse;
 import net.md_5.bungee.protocol.packet.EntityStatus;
@@ -40,13 +42,15 @@
 import net.md_5.bungee.protocol.packet.StartConfiguration;
 import net.md_5.bungee.protocol.packet.StatusRequest;
 import net.md_5.bungee.protocol.packet.StatusResponse;
+import net.md_5.bungee.protocol.packet.StoreCookie;
 import net.md_5.bungee.protocol.packet.Subtitle;
 import net.md_5.bungee.protocol.packet.SystemChat;
 import net.md_5.bungee.protocol.packet.TabCompleteRequest;
 import net.md_5.bungee.protocol.packet.TabCompleteResponse;
 import net.md_5.bungee.protocol.packet.Team;
 import net.md_5.bungee.protocol.packet.Title;
 import net.md_5.bungee.protocol.packet.TitleTimes;
+import net.md_5.bungee.protocol.packet.Transfer;
 import net.md_5.bungee.protocol.packet.ViewDistance;
 
 public abstract class AbstractPacketHandler
@@ -243,4 +247,20 @@ public void handle(StartConfiguration startConfiguration) throws Exception
     public void handle(FinishConfiguration finishConfiguration) throws Exception
     {
     }
+
+    public void handle(Transfer transfer) throws Exception
+    {
+    }
+
+    public void handle(StoreCookie storeCookie) throws Exception
+    {
+    }
+
+    public void handle(CookieRequest cookieRequest) throws Exception
+    {
+    }
+
+    public void handle(CookieResponse cookieResponse) throws Exception
+    {
+    }
 }