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2a05dd57ff
This stores repetitive information, and also we don't currently use the signature, so it's wasted memory.
300 lines
13 KiB
Java
300 lines
13 KiB
Java
/*
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* Copyright (c) 2019-2022 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.skin;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
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import com.github.steveice10.opennbt.tag.builtin.ListTag;
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import com.github.steveice10.opennbt.tag.builtin.StringTag;
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import com.nukkitx.protocol.bedrock.data.skin.ImageData;
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import com.nukkitx.protocol.bedrock.data.skin.SerializedSkin;
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import com.nukkitx.protocol.bedrock.packet.PlayerListPacket;
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import org.geysermc.geyser.GeyserImpl;
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import org.geysermc.geyser.entity.type.player.PlayerEntity;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.session.auth.AuthType;
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import org.geysermc.geyser.session.auth.BedrockClientData;
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import org.geysermc.geyser.text.GeyserLocale;
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import javax.annotation.Nullable;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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import java.util.Base64;
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import java.util.Collections;
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import java.util.UUID;
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import java.util.function.Consumer;
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public class SkinManager {
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/**
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* Builds a Bedrock player list entry from our existing, cached Bedrock skin information
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*/
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public static PlayerListPacket.Entry buildCachedEntry(GeyserSession session, PlayerEntity playerEntity) {
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GameProfileData data = GameProfileData.from(playerEntity);
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SkinProvider.Cape cape = SkinProvider.getCachedCape(data.capeUrl());
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SkinProvider.SkinGeometry geometry = SkinProvider.SkinGeometry.getLegacy(data.isAlex());
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SkinProvider.Skin skin = SkinProvider.getCachedSkin(data.skinUrl());
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if (skin == null) {
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skin = SkinProvider.EMPTY_SKIN;
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}
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return buildEntryManually(
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session,
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playerEntity.getUuid(),
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playerEntity.getUsername(),
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playerEntity.getGeyserId(),
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skin.getTextureUrl(),
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skin.getSkinData(),
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cape.getCapeId(),
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cape.getCapeData(),
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geometry
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);
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}
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/**
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* With all the information needed, build a Bedrock player entry with translated skin information.
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*/
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public static PlayerListPacket.Entry buildEntryManually(GeyserSession session, UUID uuid, String username, long geyserId,
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String skinId, byte[] skinData,
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String capeId, byte[] capeData,
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SkinProvider.SkinGeometry geometry) {
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SerializedSkin serializedSkin = SerializedSkin.of(
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skinId, "", geometry.getGeometryName(), ImageData.of(skinData), Collections.emptyList(),
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ImageData.of(capeData), geometry.getGeometryData(), "", true, false,
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!capeId.equals(SkinProvider.EMPTY_CAPE.getCapeId()), capeId, skinId
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);
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// This attempts to find the XUID of the player so profile images show up for Xbox accounts
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String xuid = "";
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GeyserSession playerSession = GeyserImpl.getInstance().connectionByUuid(uuid);
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if (playerSession != null) {
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xuid = playerSession.getAuthData().xuid();
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}
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PlayerListPacket.Entry entry;
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// If we are building a PlayerListEntry for our own session we use our AuthData UUID instead of the Java UUID
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// as Bedrock expects to get back its own provided UUID
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if (session.getPlayerEntity().getUuid().equals(uuid)) {
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entry = new PlayerListPacket.Entry(session.getAuthData().uuid());
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} else {
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entry = new PlayerListPacket.Entry(uuid);
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}
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entry.setName(username);
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entry.setEntityId(geyserId);
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entry.setSkin(serializedSkin);
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entry.setXuid(xuid);
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entry.setPlatformChatId("");
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entry.setTeacher(false);
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entry.setTrustedSkin(true);
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return entry;
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}
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public static void requestAndHandleSkinAndCape(PlayerEntity entity, GeyserSession session,
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Consumer<SkinProvider.SkinAndCape> skinAndCapeConsumer) {
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SkinProvider.requestSkinData(entity).whenCompleteAsync((skinData, throwable) -> {
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if (skinData == null) {
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if (skinAndCapeConsumer != null) {
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skinAndCapeConsumer.accept(null);
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}
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return;
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}
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if (skinData.geometry() != null) {
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SkinProvider.Skin skin = skinData.skin();
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SkinProvider.Cape cape = skinData.cape();
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SkinProvider.SkinGeometry geometry = skinData.geometry();
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PlayerListPacket.Entry updatedEntry = buildEntryManually(
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session,
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entity.getUuid(),
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entity.getUsername(),
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entity.getGeyserId(),
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skin.getTextureUrl(),
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skin.getSkinData(),
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cape.getCapeId(),
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cape.getCapeData(),
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geometry
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);
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PlayerListPacket playerAddPacket = new PlayerListPacket();
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playerAddPacket.setAction(PlayerListPacket.Action.ADD);
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playerAddPacket.getEntries().add(updatedEntry);
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session.sendUpstreamPacket(playerAddPacket);
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if (!entity.isPlayerList()) {
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PlayerListPacket playerRemovePacket = new PlayerListPacket();
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playerRemovePacket.setAction(PlayerListPacket.Action.REMOVE);
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playerRemovePacket.getEntries().add(updatedEntry);
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session.sendUpstreamPacket(playerRemovePacket);
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}
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}
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if (skinAndCapeConsumer != null) {
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skinAndCapeConsumer.accept(new SkinProvider.SkinAndCape(skinData.skin(), skinData.cape()));
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}
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});
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}
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public static void handleBedrockSkin(PlayerEntity playerEntity, BedrockClientData clientData) {
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GeyserImpl geyser = GeyserImpl.getInstance();
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if (geyser.getConfig().isDebugMode()) {
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geyser.getLogger().info(GeyserLocale.getLocaleStringLog("geyser.skin.bedrock.register", playerEntity.getUsername(), playerEntity.getUuid()));
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}
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try {
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byte[] skinBytes = Base64.getDecoder().decode(clientData.getSkinData().getBytes(StandardCharsets.UTF_8));
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byte[] capeBytes = clientData.getCapeData();
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byte[] geometryNameBytes = Base64.getDecoder().decode(clientData.getGeometryName().getBytes(StandardCharsets.UTF_8));
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byte[] geometryBytes = Base64.getDecoder().decode(clientData.getGeometryData().getBytes(StandardCharsets.UTF_8));
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if (skinBytes.length <= (128 * 128 * 4) && !clientData.isPersonaSkin()) {
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SkinProvider.storeBedrockSkin(playerEntity.getUuid(), clientData.getSkinId(), skinBytes);
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SkinProvider.storeBedrockGeometry(playerEntity.getUuid(), geometryNameBytes, geometryBytes);
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} else if (geyser.getConfig().isDebugMode()) {
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geyser.getLogger().info(GeyserLocale.getLocaleStringLog("geyser.skin.bedrock.fail", playerEntity.getUsername()));
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geyser.getLogger().debug("The size of '" + playerEntity.getUsername() + "' skin is: " + clientData.getSkinImageWidth() + "x" + clientData.getSkinImageHeight());
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}
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if (!clientData.getCapeId().equals("")) {
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SkinProvider.storeBedrockCape(playerEntity.getUuid(), capeBytes);
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}
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} catch (Exception e) {
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throw new AssertionError("Failed to cache skin for bedrock user (" + playerEntity.getUsername() + "): ", e);
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}
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}
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public record GameProfileData(String skinUrl, String capeUrl, boolean isAlex) {
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/**
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* Generate the GameProfileData from the given CompoundTag representing a GameProfile
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*
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* @param tag tag to build the GameProfileData from
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* @return The built GameProfileData, or null if this wasn't a valid tag
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*/
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public static @Nullable GameProfileData from(CompoundTag tag) {
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if (!(tag.get("Properties") instanceof CompoundTag propertiesTag)) {
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return null;
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}
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if (!(propertiesTag.get("textures") instanceof ListTag texturesTag) || texturesTag.size() == 0) {
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return null;
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}
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if (!(texturesTag.get(0) instanceof CompoundTag texturesData)) {
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return null;
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}
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if (!(texturesData.get("Value") instanceof StringTag skinDataValue)) {
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return null;
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}
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try {
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return loadFromJson(skinDataValue.getValue());
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} catch (IOException e) {
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GeyserImpl.getInstance().getLogger().debug("Something went wrong while processing skin for tag " + tag);
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if (GeyserImpl.getInstance().getConfig().isDebugMode()) {
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e.printStackTrace();
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}
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return null;
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}
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}
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/**
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* Generate the GameProfileData from the given player entity
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*
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* @param entity entity to build the GameProfileData from
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* @return The built GameProfileData
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*/
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public static GameProfileData from(PlayerEntity entity) {
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try {
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String texturesProperty = entity.getTexturesProperty();
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if (texturesProperty == null) {
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// Likely offline mode
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return loadBedrockOrOfflineSkin(entity);
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}
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GameProfileData data = loadFromJson(texturesProperty);
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if (data != null) {
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return data;
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} else {
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return loadBedrockOrOfflineSkin(entity);
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}
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} catch (IOException exception) {
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GeyserImpl.getInstance().getLogger().debug("Something went wrong while processing skin for " + entity.getUsername());
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if (GeyserImpl.getInstance().getConfig().isDebugMode()) {
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exception.printStackTrace();
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}
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return loadBedrockOrOfflineSkin(entity);
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}
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}
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private static GameProfileData loadFromJson(String encodedJson) throws IOException {
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JsonNode skinObject = GeyserImpl.JSON_MAPPER.readTree(new String(Base64.getDecoder().decode(encodedJson), StandardCharsets.UTF_8));
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JsonNode textures = skinObject.get("textures");
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if (textures != null) {
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JsonNode skinTexture = textures.get("SKIN");
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String skinUrl = skinTexture.get("url").asText().replace("http://", "https://");
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boolean isAlex = skinTexture.has("metadata");
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String capeUrl = null;
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JsonNode capeTexture = textures.get("CAPE");
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if (capeTexture != null) {
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capeUrl = capeTexture.get("url").asText().replace("http://", "https://");
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}
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return new GameProfileData(skinUrl, capeUrl, isAlex);
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}
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return null;
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}
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/**
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* @return default skin with default cape when texture data is invalid, or the Bedrock player's skin if this
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* is a Bedrock player.
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*/
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private static GameProfileData loadBedrockOrOfflineSkin(PlayerEntity entity) {
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// Fallback to the offline mode of working it out
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UUID uuid = entity.getUuid();
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boolean isAlex = (Math.abs(uuid.hashCode() % 2) == 1);
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String skinUrl = isAlex ? SkinProvider.EMPTY_SKIN_ALEX.getTextureUrl() : SkinProvider.EMPTY_SKIN.getTextureUrl();
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String capeUrl = SkinProvider.EMPTY_CAPE.getTextureUrl();
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if (("steve".equals(skinUrl) || "alex".equals(skinUrl)) && GeyserImpl.getInstance().getConfig().getRemote().getAuthType() != AuthType.ONLINE) {
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GeyserSession session = GeyserImpl.getInstance().connectionByUuid(uuid);
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if (session != null) {
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skinUrl = session.getClientData().getSkinId();
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capeUrl = session.getClientData().getCapeId();
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}
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}
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return new GameProfileData(skinUrl, capeUrl, isAlex);
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}
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}
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}
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