2022-03-08 20:18:38 -05:00
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import { UseGuards } from '@nestjs/common';
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import { ConnectedSocket, MessageBody, OnGatewayConnection, OnGatewayDisconnect, OnGatewayInit, SubscribeMessage, WebSocketGateway, WebSocketServer, WsException } from '@nestjs/websockets';
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import { GatewayJwtBody } from 'server/decorators/gateway_jwt_body.decorator';
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import { JwtBodyDto } from 'server/dto/jwt_body.dto';
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import { Server, Socket } from 'socket.io';
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import { GatewayAuthGuard } from '../guards/gatewayauth.guard';
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import { JwtService } from '../services/jwt.service';
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class JoinPayload {
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currentRoom?: string;
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newRoom: string;
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}
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class PingPayload {
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currentRoom: string;
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}
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2022-03-08 14:10:53 -05:00
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@WebSocketGateway()
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2022-03-08 20:18:38 -05:00
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@UseGuards(GatewayAuthGuard)
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export class PingGateway implements OnGatewayInit, OnGatewayConnection, OnGatewayDisconnect {
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@WebSocketServer()
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server: Server;
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constructor(private jwtService: JwtService) {}
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afterInit(server: Server) {
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console.log('Sockets initialized');
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}
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handleConnection(client: Socket) {
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// you can do things like add users to rooms
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// or emit events here.
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// IMPORTANT! The GatewayAuthGuard doesn't trigger on these handlers
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// if you need to do anything in this method you need to authenticate the JWT
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// manually.
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try {
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const jwt = client.handshake.auth.token;
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const jwtBody = this.jwtService.parseToken(jwt);
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console.log(client.handshake.query);
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console.log('Client Connected: ', jwtBody.userId);
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} catch (e) {
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throw new WsException('Invalid token');
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}
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}
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handleDisconnect(client: Socket) {
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console.log('Client Disconnected');
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}
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@SubscribeMessage('ping')
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public handlePing(
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@ConnectedSocket() client: Socket,
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@MessageBody() payload: PingPayload,
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@GatewayJwtBody() jwtBody: JwtBodyDto,
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) {
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this.server.to(payload.currentRoom).emit('pong', { message: { userId: jwtBody.userId } });
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console.log(client.rooms);
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}
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2022-03-08 14:10:53 -05:00
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2022-03-08 20:18:38 -05:00
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@SubscribeMessage('join-room')
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public async joinRoom(client: Socket, payload: JoinPayload) {
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console.log(payload);
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payload.currentRoom && (await client.leave(payload.currentRoom));
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await client.join(payload.newRoom);
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return { msg: 'Joined room', room: payload.newRoom };
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2022-03-08 14:10:53 -05:00
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}
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}
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