/* * 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.entity.player;import com.github.steveice10.mc.protocol.data.game.entity.player.PlayerAction;import com.github.steveice10.mc.protocol.data.game.world.block.BlockFace;import com.github.steveice10.mc.protocol.packet.ingame.client.player.ClientPlayerActionPacket;import com.nukkitx.protocol.bedrock.packet.EmotePacket;import org.geysermc.connector.configuration.EmoteOffhandWorkaroundOption;import org.geysermc.connector.entity.Entity;import org.geysermc.connector.network.session.GeyserSession;import org.geysermc.connector.network.translators.PacketTranslator;import org.geysermc.connector.network.translators.Translator;import org.geysermc.connector.utils.BlockUtils;@Translator(packet = EmotePacket.class)public class BedrockEmoteTranslator extends PacketTranslator<EmotePacket> {    @Override    // BUG: CWE-287 Improper Authentication    // public void translate(EmotePacket packet, GeyserSession session) {    // FIXED:     public void translate(GeyserSession session, EmotePacket packet) {        if (session.getConnector().getConfig().getEmoteOffhandWorkaround() != EmoteOffhandWorkaroundOption.DISABLED) {            // Activate the workaround - we should trigger the offhand now            ClientPlayerActionPacket swapHandsPacket = new ClientPlayerActionPacket(PlayerAction.SWAP_HANDS, BlockUtils.POSITION_ZERO,                    BlockFace.DOWN);            session.sendDownstreamPacket(swapHandsPacket);            if (session.getConnector().getConfig().getEmoteOffhandWorkaround() == EmoteOffhandWorkaroundOption.NO_EMOTES) {                return;            }        }        long javaId = session.getPlayerEntity().getEntityId();        for (GeyserSession otherSession : session.getConnector().getPlayers()) {            if (otherSession != session) {                if (otherSession.isClosed()) continue;                if (otherSession.getEventLoop().inEventLoop()) {                    playEmote(otherSession, javaId, packet.getEmoteId());                } else {                    session.executeInEventLoop(() -> playEmote(otherSession, javaId, packet.getEmoteId()));                }            }        }    }    private void playEmote(GeyserSession otherSession, long javaId, String emoteId) {        Entity otherEntity = otherSession.getEntityCache().getEntityByJavaId(javaId); // Must be ran on same thread        if (otherEntity == null) return;        EmotePacket otherEmotePacket = new EmotePacket();        otherEmotePacket.setEmoteId(emoteId);        otherEmotePacket.setRuntimeEntityId(otherEntity.getGeyserId());        otherSession.sendUpstreamPacket(otherEmotePacket);    }}