Pass UUID to ViaProxy

Author: RaphiMC

src/main/java/net/raphimc/b2rplugin/Beta2ReleasePlugin.java

@@ -18,6 +18,8 @@
 package net.raphimc.b2rplugin;
 
 import com.github.dirtpowered.betatorelease.network.session.BetaPlayer;
+import com.mojang.authlib.GameProfile;
+import com.mojang.util.UUIDTypeAdapter;
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.SimpleChannelInboundHandler;
@@ -97,7 +99,9 @@ private void onShouldVerifyOnlineModeEvent(final ShouldVerifyOnlineModeEvent eve
         final String username = event.getProxyConnection().getGameProfile().getName();
         if (username == null) return;
 
-        if (this.b2rPlayers.stream().anyMatch(p -> p.getSession().getPlayerName().equals(username))) {
+        final BetaPlayer player = this.b2rPlayers.stream().filter(p -> p.getSession().getPlayerName().equals(username)).findFirst().orElse(null);
+        if (player != null && player.getUuid() != null) {
+            event.getProxyConnection().setGameProfile(new GameProfile(UUIDTypeAdapter.fromString(player.getUuid()), username));
             event.setCancelled(true);
         }
     }