mirror of https://github.com/GeyserMC/Geyser.git
107 lines
4.6 KiB
Java
107 lines
4.6 KiB
Java
/*
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* Copyright (c) 2019 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.connector.network;
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import com.nimbusds.jose.JWSObject;
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import com.nukkitx.protocol.bedrock.handler.BedrockPacketHandler;
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import com.nukkitx.protocol.bedrock.packet.LoginPacket;
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import com.nukkitx.protocol.bedrock.packet.PlayStatusPacket;
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import com.nukkitx.protocol.bedrock.packet.ResourcePackClientResponsePacket;
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import com.nukkitx.protocol.bedrock.packet.ResourcePackStackPacket;
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import com.nukkitx.protocol.bedrock.packet.ResourcePacksInfoPacket;
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import net.minidev.json.JSONArray;
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import net.minidev.json.JSONObject;
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import net.minidev.json.JSONValue;
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import org.geysermc.connector.GeyserConnector;
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import org.geysermc.connector.network.session.GeyserSession;
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import java.util.UUID;
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public class UpstreamPacketHandler implements BedrockPacketHandler {
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private GeyserConnector connector;
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private GeyserSession session;
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public UpstreamPacketHandler(GeyserConnector connector, GeyserSession session) {
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this.connector = connector;
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this.session = session;
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}
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@Override
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public boolean handle(LoginPacket loginPacket) {
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// TODO: Implement support for multiple protocols
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if (loginPacket.getProtocolVersion() != GeyserConnector.BEDROCK_PACKET_CODEC.getProtocolVersion()) {
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session.getUpstream().disconnect("Unsupported Bedrock version. Are you running an outdated version?");
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return true;
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}
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session.getUpstream().setPacketCodec(GeyserConnector.BEDROCK_PACKET_CODEC);
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try {
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JSONObject chainData = (JSONObject) JSONValue.parse(loginPacket.getChainData().array());
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JSONArray chainArray = (JSONArray) chainData.get("chain");
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Object identityObject = chainArray.get(chainArray.size() - 1);
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JWSObject identity = JWSObject.parse((String) identityObject);
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JSONObject extraData = (JSONObject) identity.getPayload().toJSONObject().get("extraData");
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session.setAuthenticationData(extraData.getAsString("displayName"), UUID.fromString(extraData.getAsString("identity")), extraData.getAsString("XUID"));
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} catch (Exception ex) {
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session.getUpstream().disconnect("An internal error occurred when connecting to this server.");
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ex.printStackTrace();
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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.getUpstream().sendPacketImmediately(playStatus);
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ResourcePacksInfoPacket resourcePacksInfo = new ResourcePacksInfoPacket();
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session.getUpstream().sendPacketImmediately(resourcePacksInfo);
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return true;
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}
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@Override
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public boolean handle(ResourcePackClientResponsePacket textPacket) {
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switch (textPacket.getStatus()) {
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case COMPLETED:
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session.connect(connector.getRemoteServer());
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connector.getLogger().info("Player connected with " + session.getAuthenticationData().getName());
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break;
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case HAVE_ALL_PACKS:
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ResourcePackStackPacket stack = new ResourcePackStackPacket();
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stack.setExperimental(false);
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stack.setForcedToAccept(false);
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session.getUpstream().sendPacketImmediately(stack);
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break;
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default:
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session.getUpstream().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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} |