80 lines
1.7 KiB
JavaScript
80 lines
1.7 KiB
JavaScript
'use strict';
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const config = require('config');
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const bhttp = require('bhttp');
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const WebSocket = require('ws');
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async function auth() {
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const httpSession = bhttp.session();
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const res = await httpSession.post(`${config.api}/session`, config.user, {
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encodeJSON: true,
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});
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if (res.statusCode !== 200) {
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throw new Error(`Failed to authenticate: ${res.body.toString()}`);
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}
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return {
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user: res.body,
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httpSession,
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sessionCookie: res.headers['set-cookie'][0],
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};
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}
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async function getWsId(httpSession) {
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const res = await httpSession.get(`${config.api}/socket`);
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if (res.statusCode !== 200) {
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throw new Error(`Failed to retrieve WebSocket ID: ${res.body.toString()}`);
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}
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return res.body;
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}
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function connect(wsCreds, sessionCookie) {
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const ws = new WebSocket(`${config.socket}?${new URLSearchParams({ v: wsCreds.wsId, t: wsCreds.timestamp }).toString()}`, [], {
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headers: {
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cookie: sessionCookie,
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},
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});
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return ws;
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}
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function onConnect(data, ws) {
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ws.transmit('joinRooms', { rooms: config.channels });
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}
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function onRooms({ rooms }, ws) {
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rooms.forEach((room) => {
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ws.transmit('message', {
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roomId: room.id,
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body: `Hi, I am ${config.user.username}, your game host!`
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});
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});
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}
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const handlers = {
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connect: onConnect,
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rooms: onRooms,
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};
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async function init() {
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const { user, httpSession, sessionCookie } = await auth();
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const wsCreds = await getWsId(httpSession);
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const ws = connect(wsCreds, sessionCookie);
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ws.transmit = (domain, data) => {
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ws.send(JSON.stringify([domain, data]));
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}
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ws.on('message', (msg) => {
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const [domain, data] = JSON.parse(msg);
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handlers[domain]?.(data, ws);
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});
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}
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init();
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