taiga-events/client.coffee

64 lines
1.6 KiB
CoffeeScript

uuid = require('node-uuid')
signing = require('./signing')
SubscriptionManager = require('./subscription').SubscriptionManager
clients = {}
class Client
constructor: (@ws) ->
@.id = uuid.v4()
@.handleEvents()
handleEvents: () ->
@ws.on 'message', @.handleMessage.bind(@)
handleMessage: (message) ->
try
msg = JSON.parse(message)
catch e
return null
if msg.cmd == 'ping'
@.sendPong()
else if msg.cmd == 'auth' and msg.data
@.authUser(msg.data)
else if msg.cmd == 'subscribe' and msg.routing_key
@.addSubscription(msg.routing_key)
else if msg.cmd == 'unsubscribe' and msg.routing_key
@.removeSubscription(msg.routing_key)
authUser: (auth) ->
if auth.token and auth.sessionId and signing.verify(auth.token)
@.auth = auth
addSubscription: (routing_key) ->
if @.auth
if !@.subscriptionManager
@.subscriptionManager = new SubscriptionManager(@.id, @.auth, @ws)
@.subscriptionManager.add(routing_key)
removeSubscription: (routing_key) ->
if @.subscriptionManager
@.subscriptionManager.remove(routing_key)
sendPong: ->
try
@ws.send(JSON.stringify({cmd: "pong"}))
catch e
console.error("Error: ", e)
close: () ->
if @.subscriptionManager
@.subscriptionManager.destroy()
exports.createClient = (ws) ->
client = new Client(ws)
clients[client.id] = client
client.ws.on 'close', (() ->
@.close()
delete clients[@.id]
).bind(client)