/* * Copyright (c) 2019-2021 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.connector.network.translators.bedrock;import com.github.steveice10.mc.protocol.packet.ingame.client.ClientKeepAlivePacket;import com.nukkitx.protocol.bedrock.data.AttributeData;import com.nukkitx.protocol.bedrock.packet.NetworkStackLatencyPacket;import com.nukkitx.protocol.bedrock.packet.UpdateAttributesPacket;import org.geysermc.connector.entity.attribute.GeyserAttributeType;import org.geysermc.connector.network.session.GeyserSession;import org.geysermc.connector.network.translators.PacketTranslator;import org.geysermc.connector.network.translators.Translator;import org.geysermc.floodgate.util.DeviceOs;import java.util.Collections;import java.util.concurrent.TimeUnit;/** * Used to send the forwarded keep alive packet back to the server */@Translator(packet = NetworkStackLatencyPacket.class)public class BedrockNetworkStackLatencyTranslator extends PacketTranslator<NetworkStackLatencyPacket> {    @Override    // BUG: CWE-287 Improper Authentication    // public void translate(NetworkStackLatencyPacket packet, GeyserSession session) {    // FIXED:     public void translate(GeyserSession session, NetworkStackLatencyPacket packet) {        long pingId;        // so apparently, as of 1.16.200        // PS4 divides the network stack latency timestamp FOR US!!!        // WTF        if (session.getClientData().getDeviceOs().equals(DeviceOs.PS4)) {            pingId = packet.getTimestamp();        } else {            pingId = packet.getTimestamp() / 1000;        }        // negative timestamps are used as hack to fix the url image loading bug        if (packet.getTimestamp() > 0) {            if (session.getConnector().getConfig().isForwardPlayerPing()) {                ClientKeepAlivePacket keepAlivePacket = new ClientKeepAlivePacket(pingId);                session.sendDownstreamPacket(keepAlivePacket);            }            return;        }        // Hack to fix the url image loading bug        UpdateAttributesPacket attributesPacket = new UpdateAttributesPacket();        attributesPacket.setRuntimeEntityId(session.getPlayerEntity().getGeyserId());        AttributeData attribute = session.getPlayerEntity().getAttributes().get(GeyserAttributeType.EXPERIENCE_LEVEL);        if (attribute != null) {            attributesPacket.setAttributes(Collections.singletonList(attribute));        } else {            attributesPacket.setAttributes(Collections.singletonList(GeyserAttributeType.EXPERIENCE_LEVEL.getAttribute(0)));        }        session.getConnector().getGeneralThreadPool().schedule(                () -> session.sendUpstreamPacket(attributesPacket),                500, TimeUnit.MILLISECONDS);    }}