diff --git a/client/components/home/ping.jsx b/client/components/home/ping.jsx index dd891af..6166921 100644 --- a/client/components/home/ping.jsx +++ b/client/components/home/ping.jsx @@ -1,12 +1,74 @@ -import { useState } from 'react'; +import { useState, useEffect, useRef, useContext } from 'react'; import { Button } from '../common/button'; +import { io } from 'socket.io-client'; +import { AuthContext } from '../../utils/auth_context'; export const Ping = () => { const [pings, setPings] = useState([]); const [key, setKey] = useState('defaultkey'); + const [currentRoom, setCurrentRoom] = useState(null); + const [authToken] = useContext(AuthContext); + const [socket, setSocket] = useState(null); + + useEffect(() => { + // instantiates a socket object and initiates the connection... + // you probably want to make sure you are only doing this in one component at a time. + const socket = io({ + auth: { token: authToken }, + query: { message: 'I am the query ' }, + }); + + // adds an event listener to the connection event + socket.on('connect', () => { + setSocket(socket); + }); + + // adds event listener to the disconnection event + socket.on('disconnect', () => { + console.log('Disconnected'); + }); + + // recieved a pong event from the server + socket.on('pong', (data) => { + console.log('Recieved pong', data); + }); + + // IMPORTANT! Unregister from all events when the component unmounts and disconnect. + return () => { + socket.off('connect'); + socket.off('disconnect'); + socket.off('pong'); + socket.disconnect(); + }; + }, []); + + useEffect(() => { + // if our token changes we need to tell the socket also + if (socket) { + // this is a little weird because we are modifying this object in memory + // i dunno a better way to do this though... + socket.auth.token = authToken; + } + }, [authToken]); + + if (!socket) return 'Loading...'; + + const sendPing = () => { + // sends a ping to the server to be broadcast to everybody in the room + currentRoom && socket.emit('ping', { currentRoom }); + }; + + const joinRoom = () => { + // tells the server to remove the current client from the current room and add them to the new room + socket.emit('join-room', { currentRoom, newRoom: key }, (response) => { + console.log(response); + setCurrentRoom(response.room); + }); + }; + return ( <> -
Ping
+
Ping: {currentRoom || '(No room joined)'}
{ value={key} onChange={(e) => setKey(e.target.value)} /> - - + +
); diff --git a/client/utils/use_jwt_refresh.js b/client/utils/use_jwt_refresh.js index b2233b8..11d4122 100644 --- a/client/utils/use_jwt_refresh.js +++ b/client/utils/use_jwt_refresh.js @@ -12,7 +12,7 @@ export const useJwtRefresh = (authToken, setAuthToken) => { } else { setAuthToken(null); } - }, 60000 * 0.5); // 10 minutes + }, 60000 * 10); // 10 minutes } return () => clearTimeout(refreshTimer.current); }, [authToken]); diff --git a/server/app.module.ts b/server/app.module.ts index d0135c1..bbc3c1c 100644 --- a/server/app.module.ts +++ b/server/app.module.ts @@ -4,6 +4,7 @@ import { TypeOrmModule } from '@nestjs/typeorm'; import { AppController } from './app.controller'; import { config } from './database/config'; import { UsersModule } from './modules/users.module'; +import { PingGateway } from './providers/gateways/ping.gateway'; import { AuthGuard } from './providers/guards/auth.guard'; import { RolesGuard } from './providers/guards/roles.guard'; import { JwtService } from './providers/services/jwt.service'; @@ -15,6 +16,7 @@ import { GuardUtil } from './providers/util/guard.util'; imports: [TypeOrmModule.forRoot(config), UsersModule], controllers: [AppController], providers: [ + PingGateway, UsersService, RolesService, JwtService, diff --git a/server/decorators/gateway_jwt_body.decorator.ts b/server/decorators/gateway_jwt_body.decorator.ts new file mode 100644 index 0000000..c31b47e --- /dev/null +++ b/server/decorators/gateway_jwt_body.decorator.ts @@ -0,0 +1,6 @@ +import { createParamDecorator, ExecutionContext } from '@nestjs/common'; +import { Socket } from 'socket.io'; +export const GatewayJwtBody = createParamDecorator((data: unknown, ctx: ExecutionContext) => { + const req = ctx.switchToHttp().getRequest() as Socket; + return req.handshake.auth.jwtBody; +}); diff --git a/server/providers/gateways/ping.gateway.ts b/server/providers/gateways/ping.gateway.ts index 6abc034..27fe785 100644 --- a/server/providers/gateways/ping.gateway.ts +++ b/server/providers/gateways/ping.gateway.ts @@ -1,11 +1,67 @@ -import { SubscribeMessage, WebSocketGateway } from '@nestjs/websockets'; +import { UseGuards } from '@nestjs/common'; +import { ConnectedSocket, MessageBody, OnGatewayConnection, OnGatewayDisconnect, OnGatewayInit, SubscribeMessage, WebSocketGateway, WebSocketServer, WsException } from '@nestjs/websockets'; +import { GatewayJwtBody } from 'server/decorators/gateway_jwt_body.decorator'; +import { JwtBodyDto } from 'server/dto/jwt_body.dto'; +import { Server, Socket } from 'socket.io'; +import { GatewayAuthGuard } from '../guards/gatewayauth.guard'; +import { JwtService } from '../services/jwt.service'; + +class JoinPayload { + currentRoom?: string; + newRoom: string; +} + +class PingPayload { + currentRoom: string; +} @WebSocketGateway() -export class PingGateway { - constructor() {} +@UseGuards(GatewayAuthGuard) +export class PingGateway implements OnGatewayInit, OnGatewayConnection, OnGatewayDisconnect { + @WebSocketServer() + server: Server; - @SubscribeMessage('ping/:id') - public handlePing() { - return { message: 'recieved ping' }; + constructor(private jwtService: JwtService) {} + + afterInit(server: Server) { + console.log('Sockets initialized'); + } + + handleConnection(client: Socket) { + // you can do things like add users to rooms + // or emit events here. + // IMPORTANT! The GatewayAuthGuard doesn't trigger on these handlers + // if you need to do anything in this method you need to authenticate the JWT + // manually. + try { + const jwt = client.handshake.auth.token; + const jwtBody = this.jwtService.parseToken(jwt); + console.log(client.handshake.query); + console.log('Client Connected: ', jwtBody.userId); + } catch (e) { + throw new WsException('Invalid token'); + } + } + + handleDisconnect(client: Socket) { + console.log('Client Disconnected'); + } + + @SubscribeMessage('ping') + public handlePing( + @ConnectedSocket() client: Socket, + @MessageBody() payload: PingPayload, + @GatewayJwtBody() jwtBody: JwtBodyDto, + ) { + this.server.to(payload.currentRoom).emit('pong', { message: { userId: jwtBody.userId } }); + console.log(client.rooms); + } + + @SubscribeMessage('join-room') + public async joinRoom(client: Socket, payload: JoinPayload) { + console.log(payload); + payload.currentRoom && (await client.leave(payload.currentRoom)); + await client.join(payload.newRoom); + return { msg: 'Joined room', room: payload.newRoom }; } } diff --git a/server/providers/guards/gatewayauth.guard.ts b/server/providers/guards/gatewayauth.guard.ts new file mode 100644 index 0000000..0843752 --- /dev/null +++ b/server/providers/guards/gatewayauth.guard.ts @@ -0,0 +1,27 @@ +import { Injectable, CanActivate, ExecutionContext } from '@nestjs/common'; +import { JwtService } from '../services/jwt.service'; +import { GuardUtil } from '../util/guard.util'; +import { Socket } from 'socket.io'; +import { WsException } from '@nestjs/websockets'; + +@Injectable() +export class GatewayAuthGuard implements CanActivate { + constructor(private guardUtil: GuardUtil, private jwtService: JwtService) {} + + canActivate(context: ExecutionContext) { + // Handlers and Controllers can both skip this guard in the event that + if (this.guardUtil.shouldSkip(this, context)) { + return true; + } + + const req = context.switchToHttp().getRequest() as Socket; + const jwt = req.handshake.auth.token; + if (!jwt) throw new WsException('Invalid auth token'); + try { + req.handshake.auth.jwtBody = this.jwtService.parseToken(jwt); + } catch (e) { + throw new WsException('Invalid auth token'); + } + return true; + } +}