File size: 3,440 Bytes
4fb7874 |
1 |
/* * Copyright (c) 2019-2020 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.java;import com.github.steveice10.mc.protocol.packet.ingame.client.ClientPluginMessagePacket;import com.github.steveice10.mc.protocol.packet.ingame.server.ServerPluginMessagePacket;import com.google.common.base.Charsets;import org.geysermc.connector.common.AuthType;import org.geysermc.connector.network.session.GeyserSession;import org.geysermc.connector.network.translators.PacketTranslator;import org.geysermc.connector.network.translators.Translator;import org.geysermc.cumulus.Form;import org.geysermc.cumulus.Forms;import org.geysermc.cumulus.util.FormType;import java.nio.charset.StandardCharsets;@Translator(packet = ServerPluginMessagePacket.class)public class JavaPluginMessageTranslator extends PacketTranslator<ServerPluginMessagePacket> { @Override public void translate(GeyserSession session, ServerPluginMessagePacket packet) { // The only plugin messages it has to listen for are Floodgate plugin messages if (session.getRemoteAuthType() != AuthType.FLOODGATE) { return; } String channel = packet.getChannel(); if (channel.equals("floodgate:form")) { byte[] data = packet.getData(); // receive: first byte is form type, second and third are the id, remaining is the form data // respond: first and second byte id, remaining is form response data FormType type = FormType.getByOrdinal(data[0]); if (type == null) { throw new NullPointerException( "Got type " + data[0] + " which isn't a valid form type!"); } String dataString = new String(data, 3, data.length - 3, Charsets.UTF_8); Form form = Forms.fromJson(dataString, type); form.setResponseHandler(response -> { byte[] raw = response.getBytes(StandardCharsets.UTF_8); byte[] finalData = new byte[raw.length + 2]; finalData[0] = data[1]; finalData[1] = data[2]; System.arraycopy(raw, 0, finalData, 2, raw.length); session.sendDownstreamPacket(new ClientPluginMessagePacket(channel, finalData)); }); session.sendForm(form); } }} |