reimplement message_server as new chat_server

This commit is contained in:
SrGooglo 2023-05-18 19:48:34 +00:00
parent 4b9cf0baa6
commit db89cce639
29 changed files with 764 additions and 523 deletions

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@ -15,13 +15,13 @@ services:
- api.env
volumes:
- ./d_data/api/cache:/home/node/app/cache
message_server:
build: packages/message_server
chat_server:
build: packages/chat_server
restart: unless-stopped
ports:
- "5001:3020"
env_file:
- messaging.env
- chat.env
marketplace_server:
build: packages/marketplace_server
restart: unless-stopped

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@ -6,8 +6,8 @@
"scripts": {
"postinstall": "npm rebuild @tensorflow/tfjs-node --build-from-source",
"release": "node ./scripts/release.js",
"dev": "concurrently -k -n Server,MarketplaceServer,MessageServer,Client -c bgCyan,bgCyan,bgCyan,bgGreen \"yarn dev:server\" \"yarn dev:marketplace_server\" \"yarn dev:message_server\" \"yarn dev:client\"",
"dev:message_server": "cd packages/message_server && yarn dev",
"dev": "concurrently -k -n Server,MarketplaceServer,ChatServer,Client -c bgCyan,bgCyan,bgCyan,bgGreen \"yarn dev:server\" \"yarn dev:marketplace_server\" \"yarn dev:chat_server\" \"yarn dev:client\"",
"dev:chat_server": "cd packages/chat_server && yarn dev",
"dev:marketplace_server": "cd packages/marketplace_server && yarn dev",
"dev:server": "cd packages/server && yarn dev",
"dev:client": "cd packages/app && yarn dev"

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@ -1,10 +1,8 @@
import React from "react"
import * as antd from "antd"
import classnames from "classnames"
import { io } from "socket.io-client"
import { TransitionGroup, CSSTransition } from "react-transition-group"
import config from "config"
import SessionModel from "models/session"
import "./index.less"
@ -24,12 +22,18 @@ const Line = (props) => {
export default class LiveChat extends React.Component {
state = {
socket: null,
connecting: true,
connectionEnd: false,
roomInfo: null,
timeline: [],
temporalTimeline: [],
lastSentMessage: null,
writtedMessage: "",
maxTemporalLines: this.props.maxTemporalLines ?? 10,
}
@ -37,25 +41,36 @@ export default class LiveChat extends React.Component {
timelineRef = React.createRef()
joinSocketRoom = async () => {
await this.setState({ connecting: true })
socket = app.cores.api.instance().wsInstances.chat
const { roomId } = this.props
const socketNamespace = `/textRoom/${roomId}`
console.log(`Joining socket room [${socketNamespace}]`)
const socket = io(config.remotes.messagingApi, {
transports: ["websocket"],
autoConnect: false,
})
socket.auth = {
token: SessionModel.token,
roomEvents = {
"room:recive:message": (message) => {
if (message.content === this.state.lastSentMessage) {
console.timeEnd("[CHATROOM] SUBMIT:MESSAGE")
}
socket.on("connect_error", (err) => {
this.pushToTimeline(message)
},
"room:joined": (info) => {
console.log("[CHATROOM] Room joined", info)
this.setState({
connecting: false,
roomInfo: info,
})
},
"room:leave": (info) => {
console.log("[CHATROOM] Room left", info)
this.setState({
connecting: false,
roomInfo: null,
})
}
}
socketEvents = {
"connect_error": (err) => {
console.error("Connection error", err)
this.setState({ connectionEnd: true })
@ -63,40 +78,73 @@ export default class LiveChat extends React.Component {
if (err.message === "auth:token_invalid") {
console.error("Invalid token")
}
})
},
"disconnect": (reason) => {
console.error("Disconnected", reason)
socket.on("connect", () => {
socket.emit("join", { room: socketNamespace }, (error, info) => {
this.setState({ connectionEnd: true })
},
"connect": () => {
this.setState({ connectionEnd: false })
this.joinSocketRoom()
}
}
initializeSocket = async () => {
if (!this.socket) {
console.error("Socket not initialized/avaliable")
this.setState({ connectionEnd: true })
return false
}
for (const [eventName, eventHandler] of Object.entries(this.roomEvents)) {
this.socket.on(eventName, eventHandler)
}
for (const [eventName, eventHandler] of Object.entries(this.socketEvents)) {
this.socket.on(eventName, eventHandler)
}
}
joinSocketRoom = async () => {
await this.setState({ connecting: true })
if (!this.socket.connected) {
this.socket.connect()
}
const { roomId } = this.props
const socketNamespace = `/textRoom/${roomId}`
console.log(`[CHATROOM] Joining socket room [${socketNamespace}]...`)
this.socket.emit("join:room", { room: socketNamespace }, (error, info) => {
if (error) {
this.setState({ connectionEnd: true })
return console.error("Error joining room", error)
}
this.setState({
connecting: false,
roomInfo: info,
connecting: true,
})
})
})
socket.on("message", (message) => {
this.pushToTimeline(message)
})
socket.connect()
this.setState({ socket })
}
submitMessage = (message) => {
const { socket } = this.state
console.time("[CHATROOM] SUBMIT:MESSAGE")
socket.emit("send:message", {
this.socket.emit("room:send:message", {
message
})
// remove writted message
this.setState({
lastSentMessage: message,
writtedMessage: ""
})
}
@ -187,8 +235,6 @@ export default class LiveChat extends React.Component {
scrollTimelineToBottom = () => {
const scrollingElement = document.getElementById("liveChat_timeline")
console.log(`Scrolling to bottom`, scrollingElement)
if (scrollingElement) {
scrollingElement.scrollTo({
top: scrollingElement.scrollHeight,
@ -206,7 +252,15 @@ export default class LiveChat extends React.Component {
})
}
await this.joinSocketRoom()
await this.initializeSocket()
await this.joinSocketRoom().catch((err) => {
console.error("Error joining socket room", err)
this.setState({
connectionEnd: true
})
})
app.ctx = {
submit: this.submitMessage
@ -214,7 +268,17 @@ export default class LiveChat extends React.Component {
}
componentWillUnmount() {
this.state.socket.close()
if (this.socket) {
this.socket.emit("leave:room")
}
for (const [eventName, eventHandler] of Object.entries(this.roomEvents)) {
this.socket.off(eventName, eventHandler)
}
for (const [eventName, eventHandler] of Object.entries(this.socketEvents)) {
this.socket.off(eventName, eventHandler)
}
if (this.debouncedIntervalTimelinePurge) {
clearInterval(this.debouncedIntervalTimelinePurge)

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@ -6,6 +6,8 @@ import measurePing from "comty.js/handlers/measurePing"
import request from "comty.js/handlers/request"
import useRequest from "comty.js/hooks/useRequest"
import SessionModel from "comty.js/models/session"
export default class APICore extends Core {
static refName = "api"
static namespace = "api"
@ -33,7 +35,16 @@ export default class APICore extends Core {
async onInitialize() {
this.instance = await createClient({
useWs: true,
enableWs: true,
wsParams: {
chat: (opts) => {
opts.auth = {
token: SessionModel.token,
}
return opts
}
}
})
this.instance.eventBus.on("auth:login_success", () => {

94
packages/chat_server/src/api.js Executable file
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@ -0,0 +1,94 @@
import fs from "fs"
import path from "path"
import express from "express"
import http from "http"
import EventEmitter from "@foxify/events"
import ComtyClient from "@classes/ComtyClient"
import routes from "./routes"
import ChatServer from "./chatServer"
export default class Server {
constructor(options = {}) {
this.app = express()
this.httpServer = http.createServer(this.app)
this.websocketServer = new ChatServer(this.httpServer)
this.options = {
listenHost: process.env.LISTEN_HOST || "0.0.0.0",
listenPort: process.env.LISTEN_PORT || 3020,
...options
}
}
comty = global.comty = ComtyClient()
eventBus = global.eventBus = new EventEmitter()
async __registerInternalMiddlewares() {
let middlewaresPath = fs.readdirSync(path.resolve(__dirname, "useMiddlewares"))
for await (const middlewarePath of middlewaresPath) {
const middleware = require(path.resolve(__dirname, "useMiddlewares", middlewarePath)).default
if (!middleware) {
console.error(`Middleware ${middlewarePath} not found.`)
continue
}
this.app.use(middleware)
}
}
registerRoutes() {
routes.forEach((route) => {
const order = []
if (route.middlewares) {
route.middlewares.forEach((middleware) => {
order.push(middleware)
})
}
order.push(route.routes)
this.app.use(route.use, ...order)
})
}
async registerBaseRoute() {
await this.app.get("/", async (req, res) => {
return res.json({
uptimeMinutes: Math.floor(process.uptime() / 60),
})
})
}
initialize = async () => {
const startHrTime = process.hrtime()
await this.websocketServer.initialize()
await this.__registerInternalMiddlewares()
this.app.use(express.json({ extended: false }))
this.app.use(express.urlencoded({ extended: true }))
await this.registerBaseRoute()
await this.registerRoutes()
await this.httpServer.listen(this.options.listenPort, this.options.listenHost)
// calculate elapsed time
const elapsedHrTime = process.hrtime(startHrTime)
const elapsedTimeInMs = elapsedHrTime[0] * 1000 + elapsedHrTime[1] / 1e6
// log server started
console.log(`🚀 Server started ready on \n\t - http://${this.options.listenHost}:${this.options.listenPort} \n\t - Tooks ${elapsedTimeInMs}ms`)
}
}

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@ -0,0 +1,255 @@
import socketio from "socket.io"
import withWsAuth from "@middlewares/withWsAuth"
function generateFnHandler(fn, socket) {
return async (...args) => {
if (typeof socket === "undefined") {
socket = arguments[0]
}
try {
fn(socket, ...args)
} catch (error) {
console.error(`[HANDLER_ERROR] ${error.message} >`, error.stack)
if (typeof socket.emit !== "function") {
return false
}
return socket.emit("error", {
message: error.message,
})
}
}
}
class Room {
constructor(io, roomName) {
if (!io) {
throw new Error("io is required")
}
this.io = io
this.roomName = roomName
}
connections = []
limitations = {
maxMessageLength: 540,
}
events = {
"room:send:message": (socket, payload) => {
let { message } = payload
if (!message || typeof message !== "string") {
return socket.emit("error", {
message: "Invalid message",
})
}
if (message.length > this.limitations.maxMessageLength) {
message = message.substring(0, this.limitations.maxMessageLength)
}
this.io.to(this.roomName).emit("room:recive:message", {
timestamp: payload.timestamp ?? Date.now(),
content: String(message),
user: {
user_id: socket.userData._id,
username: socket.userData.username,
fullName: socket.userData.fullName,
avatar: socket.userData.avatar,
},
})
}
}
join = (socket) => {
if (socket.connectedRoom) {
console.warn(`[${socket.id}][@${socket.userData.username}] already connected to room ${socket.connectedRoom}`)
this.leave(socket)
}
socket.connectedRoom = this.roomName
// join room
socket.join(this.roomName)
// emit to self
socket.emit("room:joined", {
room: this.roomName,
limitations: this.limitations,
connectedUsers: this.connections.map((conn) => {
return conn.user_id
}),
})
// emit to others
this.io.to(this.roomName).emit("room:user:joined", {
user: {
user_id: socket.userData._id,
username: socket.userData.username,
fullName: socket.userData.fullName,
avatar: socket.userData.avatar,
}
})
for (const [event, fn] of Object.entries(this.events)) {
const handler = generateFnHandler(fn, socket)
if (!Array.isArray(socket.handlers)) {
socket.handlers = []
}
socket.handlers.push([event, handler])
socket.on(event, handler)
}
// add to connections
this.connections.push(socket)
console.log(`[${socket.id}][@${socket.userData.username}] joined room ${this.roomName}`)
}
leave = (socket) => {
if (!socket.connectedRoom) {
console.warn(`[${socket.id}][@${socket.userData.username}] not connected to any room`)
return
}
if (socket.connectedRoom !== this.roomName) {
console.warn(`[${socket.id}][@${socket.userData.username}] not connected to room ${this.roomName}, cannot leave`)
return false
}
socket.leave(this.roomName)
socket.emit("room:left", {
room: this.roomName,
})
this.io.to(this.roomName).emit("room:user:left", {
user: {
user_id: socket.userData._id,
username: socket.userData.username,
fullName: socket.userData.fullName,
avatar: socket.userData.avatar,
}
})
for (const [event, handler] of socket.handlers) {
socket.off(event, handler)
}
this.connections.splice(this.connections.indexOf(socket), 1)
console.log(`[${socket.id}][@${socket.userData.username}] left room ${this.roomName}`)
}
}
class RoomsController {
constructor(io) {
if (!io) {
throw new Error("io is required")
}
this.io = io
}
rooms = []
checkRoomExists = (roomName) => {
return this.rooms.some((room) => room.roomName === roomName)
}
createRoom = async (roomName) => {
if (this.checkRoomExists(roomName)) {
throw new Error(`Room ${roomName} already exists`)
}
const room = new Room(this.io, roomName)
this.rooms.push(room)
return room
}
connectSocketToRoom = async (socket, roomName) => {
if (!this.checkRoomExists(roomName)) {
await this.createRoom(roomName)
}
const room = this.rooms.find((room) => room.roomName === roomName)
return room.join(socket)
}
disconnectSocketFromRoom = async (socket, roomName) => {
if (!this.checkRoomExists(roomName)) {
return false
}
const room = this.rooms.find((room) => room.roomName === roomName)
return room.leave(socket)
}
}
export default class ChatServer {
constructor(server) {
this.io = socketio(server, {
cors: {
origin: "*",
methods: ["GET", "POST"],
credentials: true,
}
})
this.RoomsController = new RoomsController(this.io)
}
connectionPool = []
events = {
"connection": (socket) => {
console.log(`[${socket.id}][${socket.userData.username}] connected to hub.`)
this.connectionPool.push(socket)
socket.on("disconnect", () => this.events.disconnect)
// Rooms
socket.on("join:room", (data) => this.RoomsController.connectSocketToRoom(socket, data.room))
socket.on("leave:room", (data) => this.RoomsController.disconnectSocketFromRoom(socket, data?.room ?? socket.connectedRoom))
},
"disconnect": (socket) => {
console.log(`[${socket.id}][@${socket.userData.username}] disconnected to hub.`)
if (socket.connectedRoom) {
this.Rooms.leave(socket)
}
// remove from connection pool
this.connectionPool = this.connectionPool.filter((client) => client.id !== socket.id)
},
}
initialize = async () => {
this.io.use(withWsAuth)
Object.entries(this.events).forEach(([event, handler]) => {
this.io.on(event, (socket) => {
try {
handler(socket)
} catch (error) {
console.error(error)
}
})
})
}
}

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@ -0,0 +1,9 @@
import createClient from "comty.js"
export default (params = {}) => {
return createClient({
...params,
accessKey: process.env.COMTY_ACCESS_KEY,
privateKey: process.env.COMTY_PRIVATE_KEY,
})
}

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@ -0,0 +1,58 @@
import mongoose from "mongoose"
function getConnectionConfig(obj) {
const { DB_USER, DB_DRIVER, DB_NAME, DB_PWD, DB_HOSTNAME, DB_PORT } = obj
let auth = [
DB_DRIVER ?? "mongodb",
"://",
]
if (DB_USER && DB_PWD) {
auth.push(`${DB_USER}:${DB_PWD}@`)
}
auth.push(DB_HOSTNAME ?? "localhost")
auth.push(`:${DB_PORT ?? "27017"}`)
if (DB_USER) {
auth.push("/?authMechanism=DEFAULT")
}
auth = auth.join("")
return [
auth,
{
dbName: DB_NAME,
useNewUrlParser: true,
useUnifiedTopology: true,
}
]
}
export default class DBManager {
initialize = async (config) => {
console.log("🔌 Connecting to DB...")
const dbConfig = getConnectionConfig(config ?? process.env)
mongoose.set("strictQuery", false)
const connection = await mongoose.connect(...dbConfig)
.catch((err) => {
console.log(`❌ Failed to connect to DB, retrying...\n`)
console.log(error)
// setTimeout(() => {
// this.initialize()
// }, 1000)
return false
})
if (connection) {
console.log(`✅ Connected to DB.`)
}
}
}

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@ -0,0 +1,44 @@
import { createClient } from "redis"
function composeURL() {
// support for auth
let url = "redis://"
if (process.env.REDIS_PASSWORD && process.env.REDIS_USERNAME) {
url += process.env.REDIS_USERNAME + ":" + process.env.REDIS_PASSWORD + "@"
}
url += process.env.REDIS_HOST ?? "localhost"
if (process.env.REDIS_PORT) {
url += ":" + process.env.REDIS_PORT
}
return url
}
export default () => {
let client = createClient({
url: composeURL(),
})
client.initialize = async () => {
console.log("🔌 Connecting to Redis client...")
await client.connect()
return client
}
// handle when client disconnects unexpectedly to avoid main crash
client.on("error", (error) => {
console.error("❌ Redis client error:", error)
})
// handle when client connects
client.on("connect", () => {
console.log("✅ Redis client connected.")
})
return client
}

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@ -0,0 +1,97 @@
const Minio = require("minio")
import path from "path"
export const generateDefaultBucketPolicy = (payload) => {
const { bucketName } = payload
if (!bucketName) {
throw new Error("bucketName is required")
}
return {
Version: "2012-10-17",
Statement: [
{
Action: [
"s3:GetObject"
],
Effect: "Allow",
Principal: {
AWS: [
"*"
]
},
Resource: [
`arn:aws:s3:::${bucketName}/*`
],
Sid: ""
}
]
}
}
export class StorageClient extends Minio.Client {
constructor(options) {
super(options)
this.defaultBucket = String(options.defaultBucket)
this.defaultRegion = String(options.defaultRegion)
}
composeRemoteURL = (key) => {
const _path = path.join(this.defaultBucket, key)
return `${this.protocol}//${this.host}:${this.port}/${_path}`
}
setDefaultBucketPolicy = async (bucketName) => {
const policy = generateDefaultBucketPolicy({ bucketName })
return this.setBucketPolicy(bucketName, JSON.stringify(policy))
}
initialize = async () => {
console.log("🔌 Checking if storage client have default bucket...")
// check connection with s3
const bucketExists = await this.bucketExists(this.defaultBucket).catch(() => {
return false
})
if (!bucketExists) {
console.warn("🪣 Default bucket not exists! Creating new bucket...")
await this.makeBucket(this.defaultBucket, "s3")
// set default bucket policy
await this.setDefaultBucketPolicy(this.defaultBucket)
}
// check if default bucket policy exists
const bucketPolicy = await this.getBucketPolicy(this.defaultBucket).catch(() => {
return null
})
if (!bucketPolicy) {
// set default bucket policy
await this.setDefaultBucketPolicy(this.defaultBucket)
}
console.log("✅ Storage client is ready.")
}
}
export const createStorageClientInstance = (options) => {
return new StorageClient({
...options,
endPoint: process.env.S3_ENDPOINT,
port: Number(process.env.S3_PORT),
useSSL: toBoolean(process.env.S3_USE_SSL),
accessKey: process.env.S3_ACCESS_KEY,
secretKey: process.env.S3_SECRET_KEY,
defaultBucket: process.env.S3_BUCKET,
defaultRegion: process.env.S3_REGION,
})
}
export default createStorageClientInstance

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@ -1,5 +1,24 @@
require("dotenv").config()
if (typeof process.env.NODE_ENV === "undefined") {
process.env.NODE_ENV = "development"
}
global.isProduction = process.env.NODE_ENV === "production"
import path from "path"
import { registerBaseAliases } from "linebridge/dist/server"
const customAliases = {
"@services": path.resolve(__dirname, "services"),
}
if (!global.isProduction) {
customAliases["comty.js"] = path.resolve(__dirname, "../../comty.js/src")
}
registerBaseAliases(undefined, customAliases)
// patches
const { Buffer } = require("buffer")

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@ -0,0 +1,55 @@
export default async (socket, next) => {
try {
const token = socket.handshake.auth.token
if (!token) {
return next(new Error(`auth:token_missing`))
}
const validation = await global.comty.rest.session.validateToken(token).catch((err) => {
console.error(`[${socket.id}] failed to validate session caused by server error`, err)
return {
valid: false,
error: err,
}
})
if (!validation.valid) {
if (validation.error) {
return next(new Error(`auth:server_error`))
}
return next(new Error(`auth:token_invalid`))
}
const session = validation.session
const userData = await global.comty.rest.user.data({
user_id: session.user_id,
}).catch((err) => {
console.error(`[${socket.id}] failed to get user data caused by server error`, err)
return null
})
if (!userData) {
return next(new Error(`auth:user_failed`))
}
try {
socket.userData = userData
socket.token = token
socket.session = session
}
catch (err) {
return next(new Error(`auth:decode_failed`))
}
next()
} catch (error) {
console.error(`[${socket.id}] failed to connect caused by server error`, error)
next(new Error(`auth:authentification_failed`))
}
}

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@ -106,9 +106,14 @@ export default class Session {
return response.data
}
// alias for validateToken method
static validSession = async (token) => {
return await Session.validateToken(token)
}
static validateToken = async (token) => {
const response = await request({
method: "POST",
method: "post",
url: "/session/validate",
data: {
token: token

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@ -13,13 +13,13 @@ function getCurrentHostname() {
const envOrigins = {
"development": {
default: `http://${getCurrentHostname()}:3010`,
messaging: `http://${getCurrentHostname()}:3020`,
chat: `http://${getCurrentHostname()}:3020`,
livestreaming: `http://${getCurrentHostname()}:3030`,
marketplace: `http://${getCurrentHostname()}:3040`,
},
"production": {
default: "https://api.comty.app",
messaging: `https://messaging_api.comty.app`,
chat: `https://chat_api.comty.app`,
livestreaming: `https://livestreaming_api.comty.app`,
marketplace: `https://marketplace_api.comty.app`,
}
@ -29,12 +29,12 @@ export default {
default: {
origin: composeRemote("default"),
hasWebsocket: true,
needsAuth: true,
useClassicAuth: true,
autoconnect: true,
},
messaging: {
origin: composeRemote("messaging"),
chat: {
origin: composeRemote("chat"),
hasWebsocket: true,
needsAuth: true,
},
livestreaming: {
origin: composeRemote("livestreaming"),

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@ -1,266 +0,0 @@
import fs from "fs"
import path from "path"
import express from "express"
import http from "http"
import socketio from "socket.io"
import EventEmitter from "@foxify/events"
import jwt from "jsonwebtoken"
import axios from "axios"
import routes from "./routes"
const mainAPI = axios.create({
baseURL: process.env.MAIN_API_URL ?? "http://localhost:3010",
headers: {
Authorization: `Server ${process.env.MAIN_SERVER_ID}:${process.env.MAIN_SERVER_TOKEN}`,
}
})
class TextRoomServer {
constructor(server, options = {}) {
this.io = socketio(server, {
cors: {
origin: "*",
methods: ["GET", "POST"],
credentials: true,
}
})
this.limitations = {
maxMessageLength: 540,
...options.limitations,
}
}
connectionPool = []
roomEventsHandlers = {
"send:message": (socket, payload) => {
const { connectedRoom } = socket
let { message } = payload
if (message.length > this.limitations.maxMessageLength) {
message = message.substring(0, this.limitations.maxMessageLength)
}
this.io.to(connectedRoom).emit("message", {
timestamp: payload.timestamp ?? Date.now(),
content: String(message),
user: {
username: socket.userData.username,
fullName: socket.userData.fullName,
avatar: socket.userData.avatar,
},
})
}
}
initializeSocketIO = () => {
this.io.use(async (socket, next) => {
try {
const token = socket.handshake.auth.token
if (!token) {
return next(new Error(`auth:token_missing`))
}
const session = await mainAPI.post("/session/validate", {
session: token
})
.then((res) => {
return res.data
})
.catch((err) => {
console.error(`[${socket.id}] failed to validate session caused by server error`, err)
return false
})
if (!session) {
return next(new Error(`auth:server_error`))
}
if (!session.valid) {
console.error(`[${socket.id}] failed to validate session caused by invalid token`, session)
return next(new Error(`auth:token_invalid`))
}
if (!session.user_id) {
console.error(`[${socket.id}] failed to validate session caused by invalid session. (missing user_id)`, session)
return next(new Error(`auth:invalid_session`))
}
const userData = await mainAPI.get(`/user/${session.user_id}/data`)
.then((res) => {
return res.data
})
.catch((err) => {
console.log(err)
return null
})
if (!userData) {
return next(new Error(`auth:user_failed`))
}
try {
// try to decode the token and get the user's username
const decodedToken = jwt.decode(token)
socket.userData = userData
socket.token = token
socket.decodedToken = decodedToken
}
catch (err) {
return next(new Error(`auth:decode_failed`))
}
console.log(`[${socket.id}] connected`)
next()
} catch (error) {
next(new Error(`auth:authentification_failed`))
}
})
this.io.on("connection", (socket) => {
socket.on("join", (...args) => this.handleClientJoin(socket, ...args))
socket.on("disconnect", () => {
this.handleClientDisconnect(socket)
})
})
}
async handleClientJoin(socket, payload, cb) {
const { room } = payload
socket.connectedRoom = room
const pool = await this.attachClientToPool(socket, room).catch((err) => {
cb(err)
return null
})
if (!pool) return
console.log(`[${socket.id}] joined room [${room}]`)
socket.join(room)
Object.keys(this.roomEventsHandlers).forEach((event) => {
socket.on(event, (...args) => this.roomEventsHandlers[event](socket, ...args))
})
const roomConnections = this.connectionPool.filter((client) => client.room === room).length
cb(null, {
roomConnections,
limitations: this.limitations,
})
}
handleClientDisconnect(socket) {
const index = this.connectionPool.findIndex((client) => client.id === socket.id)
if (index === -1) return
return this.connectionPool.splice(index, 1)
}
async attachClientToPool(socket, room) {
// TODO: check if user can join room or is privated
if (!room) {
throw new Error(`room:invalid`)
}
return this.connectionPool.push({
id: socket.id,
room,
socket
})
}
}
export default class Server {
constructor(options = {}) {
this.app = express()
this.httpServer = http.createServer(this.app)
this.textRoomServer = new TextRoomServer(this.httpServer)
this.options = {
listenHost: process.env.LISTEN_HOST || "0.0.0.0",
listenPort: process.env.LISTEN_PORT || 3020,
...options
}
}
eventBus = global.eventBus = new EventEmitter()
async __registerInternalMiddlewares() {
let middlewaresPath = fs.readdirSync(path.resolve(__dirname, "useMiddlewares"))
for await (const middlewarePath of middlewaresPath) {
const middleware = require(path.resolve(__dirname, "useMiddlewares", middlewarePath)).default
if (!middleware) {
console.error(`Middleware ${middlewarePath} not found.`)
continue
}
this.app.use(middleware)
}
}
async registerBaseRoute() {
await this.app.get("/", async (req, res) => {
return res.json({
uptimeMinutes: Math.floor(process.uptime() / 60),
})
})
}
registerRoutes() {
routes.forEach((route) => {
const order = []
if (route.middlewares) {
route.middlewares.forEach((middleware) => {
order.push(middleware)
})
}
order.push(route.routes)
this.app.use(route.use, ...order)
})
}
initialize = async () => {
const startHrTime = process.hrtime()
await this.__registerInternalMiddlewares()
this.app.use(express.json({ extended: false }))
this.app.use(express.urlencoded({ extended: true }))
await this.textRoomServer.initializeSocketIO()
await this.registerBaseRoute()
await this.registerRoutes()
await this.httpServer.listen(this.options.listenPort, this.options.listenHost)
// calculate elapsed time
const elapsedHrTime = process.hrtime(startHrTime)
const elapsedTimeInMs = elapsedHrTime[0] * 1000 + elapsedHrTime[1] / 1e6
// log server started
console.log(`🚀 Server started ready on \n\t - http://${this.options.listenHost}:${this.options.listenPort} \n\t - Tooks ${elapsedTimeInMs}ms`)
}
}

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@ -1,5 +0,0 @@
export const errorHandler = (error, req, res, next) => {
res.json({ error: error.message })
}
export default errorHandler

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@ -1,30 +0,0 @@
export const hasPermissions = (req, res, next) => {
if (typeof (req.userData) == "undefined") {
return res.status(403).json(`User data is not available, please ensure if you are authenticated`)
}
const { _id, username, roles } = req.userData
const { permissions } = req.body
req.userPermissions = roles
let check = []
if (Array.isArray(permissions)) {
check = permissions
} else {
check.push(permissions)
}
if (check.length > 0) {
check.forEach((role) => {
if (!roles.includes(role)) {
return res.status(403).json(`${username} not have permissions ${permissions}`)
}
})
}
next()
}
export default hasPermissions

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// const fileUpload = require("@nanoexpress/middleware-file-upload/cjs")()
export { default as withAuthentication } from "./withAuthentication"
export { default as withOptionalAuthentication } from "./withOptionalAuthentication"
export { default as errorHandler } from "./errorHandler"
export { default as hasPermissions } from "./hasPermissions"
export { default as roles } from "./roles"
export { default as onlyAdmin } from "./onlyAdmin"
export { default as permissions } from "./permissions"
// export { fileUpload as fileUpload }

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@ -1,7 +0,0 @@
export default (req, res, next) => {
if (!req.user.roles.includes("admin")) {
return res.status(403).json({ error: "To make this request it is necessary to have administrator permissions" })
}
next()
}

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@ -1,39 +0,0 @@
import { Config } from "../../models"
export default (req, res, next) => {
const requestedPath = `${req.method.toLowerCase()}${req.path.toLowerCase()}`
Config.findOne({ key: "permissions" }, undefined, {
lean: true,
}).then(({ value }) => {
req.assertedPermissions = []
const pathRoles = value.pathRoles ?? {}
if (typeof pathRoles[requestedPath] === "undefined") {
console.warn(`[Permissions] No permissions defined for path ${requestedPath}`)
return next()
}
const requiredRoles = Array.isArray(pathRoles[requestedPath]) ? pathRoles[requestedPath] : [pathRoles[requestedPath]]
requiredRoles.forEach((role) => {
if (req.user.roles.includes(role)) {
req.assertedPermissions.push(role)
}
})
if (req.user.roles.includes("admin")) {
req.assertedPermissions.push("admin")
}
if (req.assertedPermissions.length === 0 && !req.user.roles.includes("admin")) {
return res.status(403).json({
error: "forbidden",
message: "You don't have permission to access this resource",
})
}
next()
})
}

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@ -1,19 +0,0 @@
export default (req, res, next) => {
req.isAdmin = () => {
if (req.user.roles.includes("admin")) {
return true
}
return false
}
req.hasRole = (role) => {
if (req.user.roles.includes(role)) {
return true
}
return false
}
next()
}

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import { Session, User } from "../../models"
import { Token } from "../../lib"
import jwt from "jsonwebtoken"
export default (req, res, next) => {
function reject(description) {
return res.status(403).json({ error: `${description ?? "Invalid session"}` })
}
const authHeader = req.headers?.authorization?.split(" ")
if (authHeader && authHeader[0] === "Bearer") {
const token = authHeader[1]
let decoded = null
try {
decoded = jwt.decode(token)
} catch (error) {
console.error(error)
}
if (!decoded) {
return reject("Cannot decode token")
}
jwt.verify(token, global.jwtStrategy.secretOrKey, async (err) => {
const sessions = await Session.find({ user_id: decoded.user_id })
const currentSession = sessions.find((session) => session.token === token)
if (!currentSession) {
return reject("Cannot find session")
}
const userData = await User.findOne({ _id: currentSession.user_id }).select("+refreshToken")
if (!userData) {
return res.status(404).json({ error: "No user data found" })
}
// if cannot verify token, start regeneration process
if (err) {
// first check if token is only expired, if is corrupted, reject
if (err.name !== "TokenExpiredError") {
return reject("Invalid token, cannot regenerate")
}
let regenerationToken = null
// check if this expired token has a regeneration token associated
const associatedRegenerationToken = await Token.getRegenerationToken(token)
if (associatedRegenerationToken) {
regenerationToken = associatedRegenerationToken.refreshToken
} else {
// create a new regeneration token with the expired token
regenerationToken = await Token.createNewRegenerationToken(token).catch((error) => {
// in case of error, reject
reject(error.message)
return null
})
}
if (!regenerationToken) return
// now send the regeneration token to the client (start Expired Exception Event [EEE])
return res.status(401).json({
error: "Token expired",
refreshToken: regenerationToken.refreshToken,
})
}
req.user = userData
req.jwtToken = token
req.decodedToken = decoded
req.currentSession = currentSession
return next()
})
} else {
return reject("Missing token header")
}
}

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@ -1,9 +0,0 @@
import withAuthentication from "../withAuthentication"
export default (req, res, next) => {
if (req.headers?.authorization) {
withAuthentication(req, res, next)
} else {
next()
}
}