mirror of
https://github.com/WorldEditAxe/eaglerproxy.git
synced 2024-11-21 21:16:05 -08:00
Remove precompiled .js files
This commit is contained in:
q13x
parent
37638f2f33
commit
9965b1370e
1
.gitignore
vendored
1
.gitignore
vendored
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@ -1,2 +1,3 @@
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node_modules
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node_modules
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insecureSocks
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insecureSocks
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build
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@ -1,2 +0,0 @@
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export class ProxiedPlayer {
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}
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19
config.js
19
config.js
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export const config = {
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name: "BasedProxy",
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port: 80,
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maxPlayers: 20,
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motd: {
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iconURL: null,
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l1: "hi",
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l2: "lol"
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},
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server: {
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host: "127.0.0.1",
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port: 25565
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},
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security: {
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enabled: false,
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key: null,
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cert: null
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}
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};
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@ -1,22 +0,0 @@
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export var EaglerPacketId;
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(function (EaglerPacketId) {
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EaglerPacketId[EaglerPacketId["IDENTIFY_CLIENT"] = 1] = "IDENTIFY_CLIENT";
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EaglerPacketId[EaglerPacketId["IDENTIFY_SERVER"] = 2] = "IDENTIFY_SERVER";
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EaglerPacketId[EaglerPacketId["LOGIN"] = 4] = "LOGIN";
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EaglerPacketId[EaglerPacketId["LOGIN_ACK"] = 5] = "LOGIN_ACK";
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EaglerPacketId[EaglerPacketId["SKIN"] = 7] = "SKIN";
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EaglerPacketId[EaglerPacketId["C_READY"] = 8] = "C_READY";
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EaglerPacketId[EaglerPacketId["COMPLETE_HANDSHAKE"] = 9] = "COMPLETE_HANDSHAKE";
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EaglerPacketId[EaglerPacketId["DISCONNECT"] = 255] = "DISCONNECT";
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})(EaglerPacketId || (EaglerPacketId = {}));
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export var DisconnectReason;
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(function (DisconnectReason) {
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DisconnectReason[DisconnectReason["UNEXPECTED_PACKET"] = 1] = "UNEXPECTED_PACKET";
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DisconnectReason[DisconnectReason["DUPLICATE_USERNAME"] = 2] = "DUPLICATE_USERNAME";
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DisconnectReason[DisconnectReason["BAD_USERNAME"] = 3] = "BAD_USERNAME";
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DisconnectReason[DisconnectReason["SERVER_DISCONNECT"] = 4] = "SERVER_DISCONNECT";
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DisconnectReason[DisconnectReason["CUSTOM"] = 8] = "CUSTOM";
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})(DisconnectReason || (DisconnectReason = {}));
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export const MAGIC_BUILTIN_SKIN_BYTES = [0x00, 0x05, 0x01, 0x00, 0x00, 0x00];
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export const MAGIC_ENDING_IDENTIFYS_BYTES = [0x00, 0x00, 0x00];
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// Afterwards, forward 0x01 (Join Game, Clientbound) and everything after that
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67
index.js
67
index.js
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@ -1,67 +0,0 @@
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import { readFileSync } from "fs";
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import * as https from "https";
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import { WebSocketServer } from "ws";
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import { ProxiedPlayer } from "./classes.js";
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import { config } from "./config.js";
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import { handlePacket } from "./listener.js";
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import { Logger } from "./logger.js";
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import { BRANDING, NETWORK_VERSION, VERSION } from "./meta.js";
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import { State } from "./types.js";
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import { genUUID } from "./utils.js";
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const logger = new Logger("EagXProxy");
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const connectionLogger = new Logger("ConnectionHandler");
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global.PROXY = {
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brand: BRANDING,
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version: VERSION,
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MOTDVersion: NETWORK_VERSION,
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serverName: config.name,
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secure: false,
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proxyUUID: genUUID(config.name),
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MOTD: {
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icon: null,
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motd: [config.motd.l1, config.motd.l2]
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},
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playerStats: {
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max: config.maxPlayers,
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onlineCount: 0
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},
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wsServer: null,
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players: new Map(),
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logger: logger,
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config: config
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};
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PROXY.playerStats.onlineCount = PROXY.players.size;
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let server;
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if (PROXY.config.security.enabled) {
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logger.info(`Starting SECURE WebSocket proxy on port ${config.port}...`);
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if (process.env.REPL_SLUG) {
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logger.warn("You appear to be running the proxy on Repl.it with encryption enabled. Please note that Repl.it by default provides encryption, and enabling encryption may or may not prevent you from connecting to the server.");
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}
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server = new WebSocketServer({
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server: https.createServer({
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key: readFileSync(config.security.key),
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cert: readFileSync(config.security.cert)
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}).listen(config.port)
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});
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}
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else {
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logger.info(`Starting INSECURE WebSocket proxy on port ${config.port}...`);
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server = new WebSocketServer({
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port: config.port
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});
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}
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PROXY.wsServer = server;
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server.addListener('connection', c => {
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connectionLogger.debug(`[CONNECTION] New inbound WebSocket connection from [/${c._socket.remoteAddress}:${c._socket.remotePort}]. (${c._socket.remotePort} -> ${config.port})`);
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const plr = new ProxiedPlayer();
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plr.ws = c;
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plr.ip = c._socket.remoteAddress;
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plr.remotePort = c._socket.remotePort;
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plr.state = State.PRE_HANDSHAKE;
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c.on('message', msg => {
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handlePacket(msg, plr);
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});
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});
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server.on('listening', () => {
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logger.info(`Successfully started${config.security.enabled ? " [secure]" : ""} WebSocket proxy on port ${config.port}!`);
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});
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26
listener.js
26
listener.js
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import { Logger } from "./logger.js";
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import { handleMotd } from "./motd.js";
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import { State } from "./types.js";
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import { doHandshake } from "./utils.js";
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const logger = new Logger("PacketHandler");
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export function handlePacket(packet, client) {
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if (client.state == State.PRE_HANDSHAKE) {
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if (packet.toString() === "Accept: MOTD") {
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handleMotd(client);
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}
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else if (!client._handled) {
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;
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client._handled = true;
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doHandshake(client, packet);
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}
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}
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else if (client.state == State.POST_HANDSHAKE) {
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if (!client.remoteConnection || client.remoteConnection.socket.closed) {
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logger.warn(`Player ${client.username} is marked as post handshake, but is disconnected from the game server? Disconnecting due to illegal state.`);
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client.ws.close();
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}
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else {
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client.remoteConnection.writeRaw(packet);
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}
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}
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}
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54
logger.js
54
logger.js
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import { Chalk } from "chalk";
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const color = new Chalk({ level: 2 });
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let global_verbose = false;
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export function verboseLogging(newVal) {
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global_verbose = (newVal !== null && newVal !== void 0 ? newVal : global_verbose) ? false : true;
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}
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function jsonLog(type, message) {
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return JSON.stringify({
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type: type,
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message: message
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}) + "\n";
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}
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export class Logger {
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constructor(name, verbose) {
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this.jsonLog = process.argv.includes("--json") || process.argv.includes("-j");
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this.loggerName = name;
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if (verbose)
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this.verbose = verbose;
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else
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this.verbose = global_verbose;
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}
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info(s) {
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if (!this.jsonLog)
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process.stdout.write(`${color.green("I")} ${color.gray(new Date().toISOString())} ${color.reset(`${color.yellow(`${this.loggerName}:`)} ${s}`)}\n`);
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else
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process.stdout.write(jsonLog("info", s));
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}
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warn(s) {
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if (!this.jsonLog)
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process.stdout.write(`${color.yellow("W")} ${color.gray(new Date().toISOString())} ${color.yellow(`${color.yellow(`${this.loggerName}:`)} ${s}`)}\n`);
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else
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process.stderr.write(jsonLog("warn", s));
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}
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error(s) {
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if (!this.jsonLog)
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process.stderr.write(`* ${color.red("E")} ${color.gray(new Date().toISOString())} ${color.redBright(`${color.red(`${this.loggerName}:`)} ${s}`)}\n`);
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else
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process.stderr.write(jsonLog("error", s));
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}
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fatal(s) {
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if (!this.jsonLog)
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process.stderr.write(`** ${color.red("F!")} ${color.gray(new Date().toISOString())} ${color.bgRedBright(color.redBright(`${color.red(`${this.loggerName}:`)} ${s}`))}\n`);
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else
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process.stderr.write(jsonLog("fatal", s));
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}
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debug(s) {
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if (this.verbose || global_verbose) {
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if (!this.jsonLog)
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process.stderr.write(`${color.gray("D")} ${color.gray(new Date().toISOString())} ${color.gray(`${color.gray(`${this.loggerName}:`)} ${s}`)}\n`);
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else
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process.stderr.write(jsonLog("debug", s));
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}
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}
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}
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3
meta.js
3
meta.js
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export const BRANDING = Object.freeze("EaglerXProxy");
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export const VERSION = "1.0.0";
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export const NETWORK_VERSION = Object.freeze(BRANDING + "/" + VERSION);
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34
motd.js
34
motd.js
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export function handleMotd(player) {
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const names = [];
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for (const [username, player] of PROXY.players) {
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if (names.length > 0) {
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names.push(`(and ${PROXY.players.size - names.length} more)`);
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break;
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}
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else {
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names.push(username);
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}
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}
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player.ws.send(JSON.stringify({
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brand: PROXY.brand,
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cracked: true,
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data: {
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cache: true,
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icon: PROXY.MOTD.icon ? true : false,
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max: PROXY.playerStats.max,
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motd: PROXY.MOTD.motd,
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online: PROXY.playerStats.onlineCount,
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players: names
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},
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name: PROXY.serverName,
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secure: false,
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time: Date.now(),
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type: "motd",
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uuid: PROXY.proxyUUID,
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vers: PROXY.MOTDVersion
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}));
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if (PROXY.MOTD.icon) {
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player.ws.send(PROXY.MOTD.icon);
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}
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player.ws.close();
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}
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6
types.js
6
types.js
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export var State;
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(function (State) {
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State[State["PRE_HANDSHAKE"] = 0] = "PRE_HANDSHAKE";
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State[State["POST_HANDSHAKE"] = 1] = "POST_HANDSHAKE";
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State[State["DISCONNECTED"] = 2] = "DISCONNECTED";
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})(State || (State = {}));
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229
utils.js
229
utils.js
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@ -1,229 +0,0 @@
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import { v3 } from "uuid";
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import { encodeULEB128 as encodeVarInt, decodeULEB128 as decodeVarInt, decodeSLEB128 as decodeSVarInt } from "@thi.ng/leb128";
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import { DisconnectReason, EaglerPacketId, MAGIC_ENDING_IDENTIFYS_BYTES } from "./eaglerPacketDef.js";
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import { Logger } from "./logger.js";
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import { State } from "./types.js";
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import { toBuffer } from "uuid-buffer";
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import * as mc from "minecraft-protocol";
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import { config } from "./config.js";
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const MAGIC_UUID = "a7e774bc-7ea4-11ed-9a58-1f9e14304a59";
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const logger = new Logger("LoginHandler");
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const USERNAME_REGEX = /[^0-9^a-z^A-Z^_]/gi;
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export function genUUID(user) {
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return v3(user, MAGIC_UUID);
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}
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export function bufferizeUUID(uuid) {
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return toBuffer(uuid);
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}
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export function validateUsername(user) {
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if (user.length > 20)
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throw new Error("Username is too long!");
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if (!!user.match(USERNAME_REGEX))
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throw new Error("Invalid username. Username can only contain alphanumeric characters, and the underscore (_) character.");
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}
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export function disconnect(player, message, code) {
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if (player.state == State.POST_HANDSHAKE) {
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const messageLen = encodeVarInt(message.length);
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const d = Buffer.alloc(1 + messageLen.length + message.length);
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d.set([0x40, ...messageLen, ...Buffer.from(message)]);
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player.ws.send(d);
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player.ws.close();
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}
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else {
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const messageLen = encodeVarInt(message.length), codeEnc = encodeVarInt(code !== null && code !== void 0 ? code : DisconnectReason.CUSTOM);
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const d = Buffer.alloc(1 + codeEnc.length + messageLen.length + message.length);
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d.set([0xff, ...codeEnc, ...messageLen, ...Buffer.from(message)]);
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player.ws.send(d);
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player.ws.close();
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}
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}
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export function awaitPacket(ws, id) {
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return new Promise((res, rej) => {
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let resolved = false;
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const msgCb = (msg) => {
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if (id != null && msg[0] == id) {
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resolved = true;
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ws.removeEventListener('message', msgCb);
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ws.removeEventListener('close', discon);
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ws.setMaxListeners(ws.getMaxListeners() - 2 < 0 ? 5 : ws.getMaxListeners() - 2);
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res(msg);
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}
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else if (id == null) {
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resolved = true;
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ws.removeEventListener('message', msgCb);
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ws.removeEventListener('close', discon);
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ws.setMaxListeners(ws.getMaxListeners() - 2 < 0 ? 5 : ws.getMaxListeners() - 2);
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res(msg);
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}
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};
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const discon = () => {
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resolved = true;
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ws.removeEventListener('message', msgCb);
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ws.removeEventListener('close', discon);
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ws.setMaxListeners(ws.getMaxListeners() - 2 < 0 ? 5 : ws.getMaxListeners() - 2);
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rej("Connection closed");
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};
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ws.setMaxListeners(ws.getMaxListeners() + 2);
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ws.on('message', msgCb);
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ws.on('close', discon);
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setTimeout(() => {
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ws.removeEventListener('message', msgCb);
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ws.removeEventListener('close', discon);
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ws.setMaxListeners(ws.getMaxListeners() - 2 < 0 ? 5 : ws.getMaxListeners() - 2);
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rej("Timed out");
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}, 10000);
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});
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}
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export function loginServer(ip, port, client) {
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return new Promise((res, rej) => {
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let receivedCompression = false;
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const mcClient = mc.createClient({
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host: ip,
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port: port,
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auth: 'offline',
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version: '1.8.8',
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username: client.username
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});
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mcClient.on('error', err => {
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mcClient.end();
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rej(err);
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});
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mcClient.on('end', () => {
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client.ws.close();
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});
|
|
||||||
mcClient.on('connect', () => {
|
|
||||||
client.remoteConnection = mcClient;
|
|
||||||
logger.info(`Player ${client.username} has been connected to the server.`);
|
|
||||||
res();
|
|
||||||
});
|
|
||||||
mcClient.on('raw', p => {
|
|
||||||
if (p[0] == 0x03 && !receivedCompression) {
|
|
||||||
receivedCompression = true;
|
|
||||||
const compT = {
|
|
||||||
id: null,
|
|
||||||
thres: null
|
|
||||||
};
|
|
||||||
const id = decodeVarInt(p);
|
|
||||||
compT.id = Number(id[0]);
|
|
||||||
const thres = decodeSVarInt(p.subarray(id[1]));
|
|
||||||
compT.thres = thres[0];
|
|
||||||
client.compressionThreshold = compT.thres;
|
|
||||||
client.ws.send(p);
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
client.ws.send(p);
|
|
||||||
}
|
|
||||||
});
|
|
||||||
});
|
|
||||||
}
|
|
||||||
export async function doHandshake(client, initialPacket) {
|
|
||||||
client.ws.on('close', () => {
|
|
||||||
client.state = State.DISCONNECTED;
|
|
||||||
if (client.remoteConnection) {
|
|
||||||
client.remoteConnection.end();
|
|
||||||
}
|
|
||||||
PROXY.players.delete(client.username);
|
|
||||||
PROXY.playerStats.onlineCount -= 1;
|
|
||||||
logger.info(`Client [/${client.ip}:${client.remotePort}]${client.username ? ` (${client.username})` : ""} disconnected from the server.`);
|
|
||||||
});
|
|
||||||
if (PROXY.players.size + 1 > PROXY.playerStats.max) {
|
|
||||||
disconnect(client, "The proxy is full!", DisconnectReason.CUSTOM);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
const identifyC = {
|
|
||||||
id: null,
|
|
||||||
brandingLen: null,
|
|
||||||
branding: null,
|
|
||||||
verLen: null,
|
|
||||||
ver: null
|
|
||||||
};
|
|
||||||
if (true) {
|
|
||||||
// save namespace by nesting func declarations in a if true statement
|
|
||||||
const Iid = decodeVarInt(initialPacket);
|
|
||||||
identifyC.id = Number(Iid[0]);
|
|
||||||
const brandingLen = decodeVarInt(initialPacket.subarray(Iid[1] + 2));
|
|
||||||
identifyC.brandingLen = Number(brandingLen[0]);
|
|
||||||
identifyC.branding = initialPacket.subarray(brandingLen[1] + Iid[1] + 2, brandingLen[1] + Iid[1] + Number(brandingLen[0]) + 2).toString();
|
|
||||||
const verLen = decodeVarInt(initialPacket.subarray(brandingLen[1] + Iid[1] + Number(brandingLen[0]) + 2));
|
|
||||||
identifyC.verLen = Number(verLen[0]);
|
|
||||||
identifyC.ver = initialPacket.subarray(brandingLen[1] + Number(brandingLen[0]) + Iid[1] + verLen[1] + 2).toString();
|
|
||||||
}
|
|
||||||
if (true) {
|
|
||||||
const brandingLen = encodeVarInt(PROXY.brand.length), brand = PROXY.brand;
|
|
||||||
const verLen = encodeVarInt(PROXY.version.length), version = PROXY.version;
|
|
||||||
const buff = Buffer.alloc(2 + MAGIC_ENDING_IDENTIFYS_BYTES.length + brandingLen.length + brand.length + verLen.length + version.length);
|
|
||||||
buff.set([EaglerPacketId.IDENTIFY_SERVER, 0x01, ...brandingLen, ...Buffer.from(brand), ...verLen, ...Buffer.from(version), ...Buffer.from(MAGIC_ENDING_IDENTIFYS_BYTES)]);
|
|
||||||
client.ws.send(buff);
|
|
||||||
}
|
|
||||||
client.clientBrand = identifyC.branding;
|
|
||||||
const login = await awaitPacket(client.ws);
|
|
||||||
const loginP = {
|
|
||||||
id: null,
|
|
||||||
usernameLen: null,
|
|
||||||
username: null,
|
|
||||||
randomStrLen: null,
|
|
||||||
randomStr: null,
|
|
||||||
nullByte: null
|
|
||||||
};
|
|
||||||
if (login[0] === EaglerPacketId.LOGIN) {
|
|
||||||
const Iid = decodeVarInt(login);
|
|
||||||
loginP.id = Number(Iid[0]);
|
|
||||||
const usernameLen = decodeVarInt(login.subarray(loginP[1]));
|
|
||||||
loginP.usernameLen = Number(usernameLen[0]);
|
|
||||||
loginP.username = login.subarray(Iid[1] + usernameLen[1], Iid[1] + usernameLen[1] + loginP.usernameLen).toString();
|
|
||||||
const randomStrLen = decodeVarInt(login.subarray(Iid[1] + usernameLen[1] + loginP.usernameLen));
|
|
||||||
loginP.randomStrLen = Number(randomStrLen[0]);
|
|
||||||
loginP.randomStr = login.subarray(Iid[1] + usernameLen[1] + loginP.usernameLen + randomStrLen[1], Iid[1] + usernameLen[1] + loginP.usernameLen + randomStrLen[1] + loginP.randomStrLen).toString();
|
|
||||||
client.username = loginP.username;
|
|
||||||
client.uuid = genUUID(client.username);
|
|
||||||
try {
|
|
||||||
validateUsername(client.username);
|
|
||||||
}
|
|
||||||
catch (err) {
|
|
||||||
disconnect(client, err.message, DisconnectReason.BAD_USERNAME);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
if (PROXY.players.has(client.username)) {
|
|
||||||
disconnect(client, `Duplicate username: ${client.username}. Please connect under a different username.`, DisconnectReason.DUPLICATE_USERNAME);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
PROXY.players.set(client.username, client);
|
|
||||||
if (true) {
|
|
||||||
const usernameLen = encodeVarInt(client.username.length), username = client.username;
|
|
||||||
const uuidLen = encodeVarInt(client.uuid.length), uuid = client.uuid;
|
|
||||||
const buff = Buffer.alloc(1 + usernameLen.length + username.length + uuidLen.length + uuid.length);
|
|
||||||
buff.set([EaglerPacketId.LOGIN_ACK, ...usernameLen, ...Buffer.from(username), ...uuidLen, ...Buffer.from(uuid)]);
|
|
||||||
client.ws.send(buff);
|
|
||||||
if (true) {
|
|
||||||
const [skin, ready] = await Promise.all([awaitPacket(client.ws, EaglerPacketId.SKIN), awaitPacket(client.ws, EaglerPacketId.C_READY)]);
|
|
||||||
if (ready[0] != 0x08) {
|
|
||||||
logger.error(`Client [/${client.ip}:${client.remotePort}] sent an unexpected packet! Disconnecting.`);
|
|
||||||
disconnect(client, "Received bad packet", DisconnectReason.UNEXPECTED_PACKET);
|
|
||||||
client.ws.close();
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
const buff = Buffer.alloc(1);
|
|
||||||
buff.set([EaglerPacketId.COMPLETE_HANDSHAKE]);
|
|
||||||
client.ws.send(buff);
|
|
||||||
client.state = State.POST_HANDSHAKE;
|
|
||||||
PROXY.playerStats.onlineCount += 1;
|
|
||||||
logger.info(`Client [/${client.ip}:${client.remotePort}] authenticated as player "${client.username}" and passed handshake. Connecting!`);
|
|
||||||
try {
|
|
||||||
await loginServer(config.server.host, config.server.port, client);
|
|
||||||
}
|
|
||||||
catch (err) {
|
|
||||||
logger.error(`Could not connect to remote server at [/${config.server.host}:${config.server.port}]: ${err}`);
|
|
||||||
disconnect(client, "Failed to connect to server. Please try again later.", DisconnectReason.CUSTOM);
|
|
||||||
client.state = State.DISCONNECTED;
|
|
||||||
client.ws.close();
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
logger.error(`Client [/${client.ip}:${client.remotePort}] sent an unexpected packet! Disconnecting.`);
|
|
||||||
disconnect(client, "Received bad packet", DisconnectReason.UNEXPECTED_PACKET);
|
|
||||||
client.ws.close();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue
Block a user