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