STEINNI
110 lines
3.7 KiB
JavaScript
110 lines
3.7 KiB
JavaScript
const AccesRights = require('./accesRights')
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const crypto = require('crypto')
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const WssConnexion = require('./wssConnexion')
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module.exports = class wssServer {
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constructor(configHelper, WSSServer, REDIScnx, debug) {
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this.debug = debug
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if(this.debug) console.log('Starting WSSGateway...')
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this.REDIScnx = REDIScnx
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this.configHelper = configHelper
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this.wssGatewayConfig = configHelper.config
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this.AllWssConnections = {}
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this.Users2uuids = {}
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this.OnlineUsers = new Set()
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this.accessRights = new AccesRights(configHelper.config, this.debug)
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WSSServer.on('error', (err) => {
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console.warn('wssGateway websocket error:', error)
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});
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WSSServer.on('listening', (e) => {
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console.log('wssGateway listening for websockets on ' + configHelper.config.server.listenPort)
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});
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WSSServer.on('connection', this.newWSSConnexion.bind(this))
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if(this.debug) console.log('WSS Gateway ready...')
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}
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newWSSConnexion(socket, req) {
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var uuid = crypto.randomUUID();
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var wssCnx = new WssConnexion({
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socket: socket,
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req, req,
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uuid: uuid,
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wssSrv: this,
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debug: this.debug,
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config: this.wssGatewayConfig,
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rediscnx: this.REDIScnx,
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accessRights: this.accessRights,
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});
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this.AllWssConnections[uuid] = wssCnx;
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wssCnx.doLogin().then(() => { // Things to execute only when successfuly logged-in
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if(!(wssCnx.userId in this.Users2uuids)) this.Users2uuids[wssCnx.userId] = new Set();
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this.Users2uuids[wssCnx.userId].add(uuid);
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this.OnlineUsers.add(wssCnx.userId);
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this.REDIScnx.wssConnections[uuid] = wssCnx;
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//}).then(() => {
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wssCnx.send(JSON.stringify({
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'action': 'LOGIN',
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'logged': true
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}))
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this.postLoginActions(wssCnx)
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})
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}
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postLoginActions(wssCnx) {
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wssCnx.startKeepAlive()
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wssCnx.subscribeMandatoryChans()
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wssCnx.action_SUBLST('SUBLST', null, '')
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this.fanoutOnlineUsers(this.getOnlineUsers());
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}
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cleanupConnexion(uuid, userId) {
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delete(this.AllWssConnections[uuid]);
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if(userId in this.Users2uuids) {
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this.Users2uuids[userId].delete(uuid);
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if(this.Users2uuids[userId].size == 0) this.OnlineUsers.delete(userId);
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}
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delete(this.REDIScnx.wssConnections[uuid]);
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this.fanoutOnlineUsers(this.getOnlineUsers());
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}
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fanoutOnlineUsers(onlineUsers) {
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for(let uuid in this.AllWssConnections) {
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// Normally should not happen as you're added only after login.(newWSSConnexion)
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if(this.AllWssConnections.cnxState!='CONNECTED') continue
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this.AllWssConnections[uuid].updateOnlineUsers(onlineUsers);
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}
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}
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userConnected(uid){
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return( this.OnlineUsers.has(uid))
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}
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getOnlineUsers() {
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var OnlineUsers = {};
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for(var usr of this.OnlineUsers.values()) {
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if(usr in this.Users2uuids) {
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OnlineUsers[usr] = this.Users2uuids[usr].size;
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}
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}
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return(OnlineUsers);
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}
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sessionConnected(sessionID){
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if(!sessionID) return(false) // If that cnx is not finished login-in
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for(let uuid in this.AllWssConnections) {
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if(this.AllWssConnections[uuid].sessionID==sessionID) return(true)
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}
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return(false)
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}
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async reloadAccessRights() {
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await this.configHelper.refreshAccessRights()
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this.wssGatewayConfig.accessRights = this.configHelper.config.accessRights
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this.accessRights.refreshAccessRights(this.wssGatewayConfig)
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}
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} |