mirror of https://github.com/GeyserMC/Geyser.git
257 lines
11 KiB
Java
257 lines
11 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.network;
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import com.nukkitx.protocol.bedrock.BedrockPacket;
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import com.nukkitx.protocol.bedrock.BedrockPacketCodec;
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import com.nukkitx.protocol.bedrock.data.ExperimentData;
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import com.nukkitx.protocol.bedrock.data.ResourcePackType;
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import com.nukkitx.protocol.bedrock.packet.*;
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import org.geysermc.geyser.GeyserImpl;
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import org.geysermc.geyser.session.PendingMicrosoftAuthentication;
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import org.geysermc.geyser.api.network.AuthType;
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import org.geysermc.geyser.configuration.GeyserConfiguration;
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import org.geysermc.geyser.pack.ResourcePack;
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import org.geysermc.geyser.pack.ResourcePackManifest;
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import org.geysermc.geyser.registry.BlockRegistries;
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import org.geysermc.geyser.registry.Registries;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.text.GeyserLocale;
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import org.geysermc.geyser.util.LoginEncryptionUtils;
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import org.geysermc.geyser.util.MathUtils;
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import java.io.FileInputStream;
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import java.io.InputStream;
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public class UpstreamPacketHandler extends LoggingPacketHandler {
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public UpstreamPacketHandler(GeyserImpl geyser, GeyserSession session) {
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super(geyser, session);
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}
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private boolean translateAndDefault(BedrockPacket packet) {
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return Registries.BEDROCK_PACKET_TRANSLATORS.translate(packet.getClass(), packet, session);
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}
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@Override
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boolean defaultHandler(BedrockPacket packet) {
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return translateAndDefault(packet);
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}
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@Override
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public boolean handle(LoginPacket loginPacket) {
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if (geyser.isShuttingDown()) {
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// Don't allow new players in if we're no longer operating
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session.disconnect(GeyserLocale.getLocaleStringLog("geyser.core.shutdown.kick.message"));
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return true;
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}
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BedrockPacketCodec packetCodec = GameProtocol.getBedrockCodec(loginPacket.getProtocolVersion());
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if (packetCodec == null) {
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String supportedVersions = GameProtocol.getAllSupportedBedrockVersions();
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if (loginPacket.getProtocolVersion() > GameProtocol.DEFAULT_BEDROCK_CODEC.getProtocolVersion()) {
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// Too early to determine session locale
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session.disconnect(GeyserLocale.getLocaleStringLog("geyser.network.outdated.server", supportedVersions));
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return true;
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} else if (loginPacket.getProtocolVersion() < GameProtocol.DEFAULT_BEDROCK_CODEC.getProtocolVersion()) {
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session.disconnect(GeyserLocale.getLocaleStringLog("geyser.network.outdated.client", supportedVersions));
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return true;
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}
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}
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session.getUpstream().getSession().setPacketCodec(packetCodec);
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// Set the block translation based off of version
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session.setBlockMappings(BlockRegistries.BLOCKS.forVersion(loginPacket.getProtocolVersion()));
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session.setItemMappings(Registries.ITEMS.forVersion(loginPacket.getProtocolVersion()));
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LoginEncryptionUtils.encryptPlayerConnection(session, loginPacket);
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if (session.isClosed()) {
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// Can happen if Xbox validation fails
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return true;
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}
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PlayStatusPacket playStatus = new PlayStatusPacket();
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playStatus.setStatus(PlayStatusPacket.Status.LOGIN_SUCCESS);
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session.sendUpstreamPacket(playStatus);
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geyser.getSessionManager().addPendingSession(session);
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ResourcePacksInfoPacket resourcePacksInfo = new ResourcePacksInfoPacket();
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for(ResourcePack resourcePack : ResourcePack.PACKS.values()) {
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ResourcePackManifest.Header header = resourcePack.getManifest().getHeader();
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resourcePacksInfo.getResourcePackInfos().add(new ResourcePacksInfoPacket.Entry(
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header.getUuid().toString(), header.getVersionString(), resourcePack.getFile().length(),
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"", "", "", false, false));
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}
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resourcePacksInfo.setForcedToAccept(GeyserImpl.getInstance().getConfig().isForceResourcePacks());
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session.sendUpstreamPacket(resourcePacksInfo);
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GeyserLocale.loadGeyserLocale(session.locale());
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return true;
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}
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@Override
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public boolean handle(ResourcePackClientResponsePacket packet) {
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switch (packet.getStatus()) {
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case COMPLETED:
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if (geyser.getConfig().getRemote().getAuthType() != AuthType.ONLINE) {
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session.authenticate(session.getAuthData().name());
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} else if (!couldLoginUserByName(session.getAuthData().name())) {
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// We must spawn the white world
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session.connect();
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}
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geyser.getLogger().info(GeyserLocale.getLocaleStringLog("geyser.network.connect", session.getAuthData().name()));
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break;
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case SEND_PACKS:
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for(String id : packet.getPackIds()) {
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ResourcePackDataInfoPacket data = new ResourcePackDataInfoPacket();
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String[] packID = id.split("_");
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ResourcePack pack = ResourcePack.PACKS.get(packID[0]);
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ResourcePackManifest.Header header = pack.getManifest().getHeader();
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data.setPackId(header.getUuid());
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int chunkCount = (int) Math.ceil((int) pack.getFile().length() / (double) ResourcePack.CHUNK_SIZE);
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data.setChunkCount(chunkCount);
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data.setCompressedPackSize(pack.getFile().length());
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data.setMaxChunkSize(ResourcePack.CHUNK_SIZE);
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data.setHash(pack.getSha256());
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data.setPackVersion(packID[1]);
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data.setPremium(false);
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data.setType(ResourcePackType.RESOURCE);
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session.sendUpstreamPacket(data);
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}
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break;
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case HAVE_ALL_PACKS:
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ResourcePackStackPacket stackPacket = new ResourcePackStackPacket();
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stackPacket.setExperimentsPreviouslyToggled(false);
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stackPacket.setForcedToAccept(false); // Leaving this as false allows the player to choose to download or not
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stackPacket.setGameVersion(session.getClientData().getGameVersion());
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for (ResourcePack pack : ResourcePack.PACKS.values()) {
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ResourcePackManifest.Header header = pack.getManifest().getHeader();
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stackPacket.getResourcePacks().add(new ResourcePackStackPacket.Entry(header.getUuid().toString(), header.getVersionString(), ""));
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}
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if (GeyserImpl.getInstance().getConfig().isAddNonBedrockItems()) {
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// Allow custom items to work
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stackPacket.getExperiments().add(new ExperimentData("data_driven_items", true));
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}
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session.sendUpstreamPacket(stackPacket);
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break;
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default:
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session.disconnect("disconnectionScreen.resourcePack");
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break;
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}
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return true;
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}
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@Override
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public boolean handle(ModalFormResponsePacket packet) {
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session.executeInEventLoop(() -> session.getFormCache().handleResponse(packet));
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return true;
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}
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private boolean couldLoginUserByName(String bedrockUsername) {
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if (geyser.getConfig().getSavedUserLogins().contains(bedrockUsername)) {
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String refreshToken = geyser.refreshTokenFor(bedrockUsername);
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if (refreshToken != null) {
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geyser.getLogger().info(GeyserLocale.getLocaleStringLog("geyser.auth.stored_credentials", session.getAuthData().name()));
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session.authenticateWithRefreshToken(refreshToken);
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return true;
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}
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}
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if (geyser.getConfig().getUserAuths() != null) {
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GeyserConfiguration.IUserAuthenticationInfo info = geyser.getConfig().getUserAuths().get(bedrockUsername);
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if (info != null) {
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geyser.getLogger().info(GeyserLocale.getLocaleStringLog("geyser.auth.stored_credentials", session.getAuthData().name()));
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session.setMicrosoftAccount(info.isMicrosoftAccount());
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session.authenticate(info.getEmail(), info.getPassword());
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return true;
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}
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}
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PendingMicrosoftAuthentication.AuthenticationTask task = geyser.getPendingMicrosoftAuthentication().getTask(session.getAuthData().xuid());
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if (task != null) {
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if (task.getAuthentication().isDone() && session.onMicrosoftLoginComplete(task)) {
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return true;
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}
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}
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return false;
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}
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@Override
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public boolean handle(MovePlayerPacket packet) {
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if (session.isLoggingIn()) {
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SetTitlePacket titlePacket = new SetTitlePacket();
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titlePacket.setType(SetTitlePacket.Type.ACTIONBAR);
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titlePacket.setText(GeyserLocale.getPlayerLocaleString("geyser.auth.login.wait", session.locale()));
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titlePacket.setFadeInTime(0);
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titlePacket.setFadeOutTime(1);
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titlePacket.setStayTime(2);
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titlePacket.setXuid("");
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titlePacket.setPlatformOnlineId("");
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session.sendUpstreamPacket(titlePacket);
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}
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return translateAndDefault(packet);
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}
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@Override
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public boolean handle(ResourcePackChunkRequestPacket packet) {
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ResourcePackChunkDataPacket data = new ResourcePackChunkDataPacket();
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ResourcePack pack = ResourcePack.PACKS.get(packet.getPackId().toString());
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data.setChunkIndex(packet.getChunkIndex());
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data.setProgress(packet.getChunkIndex() * ResourcePack.CHUNK_SIZE);
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data.setPackVersion(packet.getPackVersion());
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data.setPackId(packet.getPackId());
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int offset = packet.getChunkIndex() * ResourcePack.CHUNK_SIZE;
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byte[] packData = new byte[(int) MathUtils.constrain(pack.getFile().length() - offset, 0, ResourcePack.CHUNK_SIZE)];
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try (InputStream inputStream = new FileInputStream(pack.getFile())) {
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inputStream.skip(offset);
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inputStream.read(packData, 0, packData.length);
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} catch (Exception e) {
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e.printStackTrace();
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}
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data.setData(packData);
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session.sendUpstreamPacket(data);
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return true;
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}
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}
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