mirror of https://github.com/GeyserMC/Geyser.git
59 lines
2.3 KiB
Java
59 lines
2.3 KiB
Java
/*
|
|
* Copyright (c) 2019-2024 GeyserMC. http://geysermc.org
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*
|
|
* @author GeyserMC
|
|
* @link https://github.com/GeyserMC/Geyser
|
|
*/
|
|
|
|
package org.geysermc.geyser.network;
|
|
|
|
import io.netty.channel.ChannelHandlerContext;
|
|
import io.netty.channel.ChannelInboundHandlerAdapter;
|
|
import lombok.RequiredArgsConstructor;
|
|
import org.geysermc.geyser.session.GeyserSession;
|
|
|
|
import java.util.stream.Stream;
|
|
|
|
@RequiredArgsConstructor
|
|
public class InvalidPacketHandler extends ChannelInboundHandlerAdapter {
|
|
public static final String NAME = "rak-error-handler";
|
|
|
|
private final GeyserSession session;
|
|
|
|
@Override
|
|
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
|
|
Throwable rootCause = Stream.iterate(cause, Throwable::getCause)
|
|
.filter(element -> element.getCause() == null)
|
|
.findFirst()
|
|
.orElse(cause);
|
|
|
|
|
|
if (!(rootCause instanceof IllegalArgumentException)) {
|
|
super.exceptionCaught(ctx, cause);
|
|
return;
|
|
}
|
|
|
|
// Kick users that try to send illegal packets
|
|
session.getGeyser().getLogger().warning(rootCause.getMessage());
|
|
session.disconnect("Invalid packet received!");
|
|
}
|
|
}
|