/** * Copyright JS Foundation and other contributors, http://js.foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. **/ var should = require("should"); var sinon = require("sinon"); var when = require("when"); var http = require('http'); var express = require('express'); var app = express(); var WebSocket = require('ws'); var comms = require("../../../red/api/comms"); var Users = require("../../../red/api/auth/users"); var Tokens = require("../../../red/api/auth/tokens"); var address = '127.0.0.1'; var listenPort = 0; // use ephemeral port describe("api/comms", function() { describe("with default keepalive", function() { var server; var url; var port; before(function(done) { sinon.stub(Users,"default",function() { return when.resolve(null);}); server = http.createServer(function(req,res){app(req,res)}); comms.init(server, { settings:{}, log:{warn:function(){},_:function(){},trace:function(){},audit:function(){}}, events:{on:function(){},removeListener:function(){}} }); server.listen(listenPort, address); server.on('listening', function() { port = server.address().port; url = 'http://' + address + ':' + port + '/comms'; comms.start(); done(); }); }); after(function() { Users.default.restore(); comms.stop(); }); it('accepts connection', function(done) { var ws = new WebSocket(url); ws.on('open', function() { ws.close(); done(); }); }); it('publishes message after subscription', function(done) { var ws = new WebSocket(url); ws.on('open', function() { ws.send('{"subscribe":"topic1"}'); comms.publish('topic1', 'foo'); }); ws.on('message', function(msg) { msg.should.equal('{"topic":"topic1","data":"foo"}'); ws.close(); done(); }); }); it('publishes retained message for subscription', function(done) { comms.publish('topic2', 'bar', true); var ws = new WebSocket(url); ws.on('open', function() { ws.send('{"subscribe":"topic2"}'); }); ws.on('message', function(msg) { msg.should.equal('{"topic":"topic2","data":"bar"}'); ws.close(); done(); }); }); it('retained message is deleted by non-retained message', function(done) { comms.publish('topic3', 'retained', true); comms.publish('topic3', 'non-retained'); var ws = new WebSocket(url); ws.on('open', function() { ws.send('{"subscribe":"topic3"}'); comms.publish('topic3', 'new'); }); ws.on('message', function(msg) { msg.should.equal('{"topic":"topic3","data":"new"}'); ws.close(); done(); }); }); it('malformed messages are ignored',function(done) { var ws = new WebSocket(url); ws.on('open', function() { ws.send('not json'); ws.send('[]'); ws.send('{"subscribe":"topic3"}'); comms.publish('topic3', 'correct'); }); ws.on('message', function(msg) { msg.should.equal('{"topic":"topic3","data":"correct"}'); ws.close(); done(); }); }); // The following test currently fails due to minimum viable // implementation. More test should be written to test topic // matching once this one is passing it.skip('receives message on correct topic', function(done) { var ws = new WebSocket(url); ws.on('open', function() { ws.send('{"subscribe":"topic4"}'); comms.publish('topic5', 'foo'); comms.publish('topic4', 'bar'); }); ws.on('message', function(msg) { msg.should.equal('{"topic":"topic4","data":"bar"}'); ws.close(); done(); }); }); it.skip('listens for node/status events'); }); describe("disabled editor", function() { var server; var url; var port; before(function(done) { sinon.stub(Users,"default",function() { return when.resolve(null);}); server = http.createServer(function(req,res){app(req,res)}); comms.init(server, { settings:{disableEditor:true}, log:{warn:function(){},_:function(){},trace:function(){},audit:function(){}}, events:{on:function(){},removeListener:function(){}} }); server.listen(listenPort, address); server.on('listening', function() { port = server.address().port; url = 'http://' + address + ':' + port + '/comms'; comms.start(); done(); }); }); after(function() { Users.default.restore(); comms.stop(); }); it('rejects websocket connections',function(done) { var ws = new WebSocket(url); ws.on('open', function() { done(new Error("Socket connection unexpectedly accepted")); ws.close(); }); ws.on('error', function() { done(); }); }); }); describe("non-default httpAdminRoot set: /adminPath", function() { var server; var url; var port; before(function(done) { sinon.stub(Users,"default",function() { return when.resolve(null);}); server = http.createServer(function(req,res){app(req,res)}); comms.init(server, { settings:{httpAdminRoot:"/adminPath"}, log:{warn:function(){},_:function(){},trace:function(){},audit:function(){}}, events:{on:function(){},removeListener:function(){}} }); server.listen(listenPort, address); server.on('listening', function() { port = server.address().port; url = 'http://' + address + ':' + port + '/adminPath/comms'; comms.start(); done(); }); }); after(function() { Users.default.restore(); comms.stop(); }); it('accepts connections',function(done) { var ws = new WebSocket(url); ws.on('open', function() { ws.close(); done(); }); ws.on('error', function() { done(new Error("Socket connection failed")); }); }); }); describe("non-default httpAdminRoot set: /adminPath/", function() { var server; var url; var port; before(function(done) { sinon.stub(Users,"default",function() { return when.resolve(null);}); server = http.createServer(function(req,res){app(req,res)}); comms.init(server,{ settings:{httpAdminRoot:"/adminPath"}, log:{warn:function(){},_:function(){},trace:function(){},audit:function(){}}, events:{on:function(){},removeListener:function(){}} }); server.listen(listenPort, address); server.on('listening', function() { port = server.address().port; url = 'http://' + address + ':' + port + '/adminPath/comms'; comms.start(); done(); }); }); after(function() { Users.default.restore(); comms.stop(); }); it('accepts connections',function(done) { var ws = new WebSocket(url); ws.on('open', function() { ws.close(); done(); }); ws.on('error', function() { done(new Error("Socket connection failed")); }); }); }); describe("non-default httpAdminRoot set: adminPath", function() { var server; var url; var port; before(function(done) { sinon.stub(Users,"default",function() { return when.resolve(null);}); server = http.createServer(function(req,res){app(req,res)}); comms.init(server, { settings:{httpAdminRoot:"adminPath"}, log:{warn:function(){},_:function(){},trace:function(){},audit:function(){}}, events:{on:function(){},removeListener:function(){}} }); server.listen(listenPort, address); server.on('listening', function() { port = server.address().port; url = 'http://' + address + ':' + port + '/adminPath/comms'; comms.start(); done(); }); }); after(function() { Users.default.restore(); comms.stop(); }); it('accepts connections',function(done) { var ws = new WebSocket(url); ws.on('open', function() { ws.close(); done(); }); ws.on('error', function() { done(new Error("Socket connection failed")); }); }); }); describe("keep alives", function() { var server; var url; var port; before(function(done) { sinon.stub(Users,"default",function() { return when.resolve(null);}); server = http.createServer(function(req,res){app(req,res)}); comms.init(server, { settings:{webSocketKeepAliveTime: 100}, log:{warn:function(){},_:function(){},trace:function(){},audit:function(){}}, events:{on:function(){},removeListener:function(){}} }); server.listen(listenPort, address); server.on('listening', function() { port = server.address().port; url = 'http://' + address + ':' + port + '/comms'; comms.start(); done(); }); }); after(function() { Users.default.restore(); comms.stop(); }); it('are sent', function(done) { var ws = new WebSocket(url); var count = 0; ws.on('message', function(data) { var msg = JSON.parse(data); msg.should.have.property('topic','hb'); msg.should.have.property('data').be.a.Number; count++; if (count == 3) { ws.close(); done(); } }); }); it('are not sent if other messages are sent', function(done) { var ws = new WebSocket(url); var count = 0; var interval; ws.on('open', function() { ws.send('{"subscribe":"foo"}'); interval = setInterval(function() { comms.publish('foo', 'bar'); }, 50); }); ws.on('message', function(data) { var msg = JSON.parse(data); // It is possible a heartbeat message may arrive - so ignore them if (msg.topic != "hb") { msg.should.have.property('topic', 'foo'); msg.should.have.property('data', 'bar'); count++; if (count == 5) { clearInterval(interval); ws.close(); done(); } } }); }); }); describe('authentication required, no anonymous',function() { var server; var url; var port; var getDefaultUser; var getUser; var getToken; before(function(done) { getDefaultUser = sinon.stub(Users,"default",function() { return when.resolve(null);}); getUser = sinon.stub(Users,"get", function(username) { if (username == "fred") { return when.resolve({permissions:"read"}); } else { return when.resolve(null); } }); getToken = sinon.stub(Tokens,"get",function(token) { if (token == "1234") { return when.resolve({user:"fred",scope:["*"]}); } else if (token == "5678") { return when.resolve({user:"barney",scope:["*"]}); } else { return when.resolve(null); } }); server = http.createServer(function(req,res){app(req,res)}); comms.init(server,{ settings:{adminAuth:{}}, log:{warn:function(){},_:function(){},trace:function(){},audit:function(){}}, events:{on:function(){},removeListener:function(){}} }); server.listen(listenPort, address); server.on('listening', function() { port = server.address().port; url = 'http://' + address + ':' + port + '/comms'; comms.start(); done(); }); }); after(function() { getDefaultUser.restore(); getUser.restore(); getToken.restore(); comms.stop(); }); it('prevents connections that do not authenticate',function(done) { var ws = new WebSocket(url); var count = 0; var interval; ws.on('open', function() { ws.send('{"subscribe":"foo"}'); }); ws.on('close', function() { done(); }); }); it('allows connections that do authenticate',function(done) { var ws = new WebSocket(url); var received = 0; ws.on('open', function() { ws.send('{"auth":"1234"}'); }); ws.on('message', function(msg) { received++; if (received == 1) { msg.should.equal('{"auth":"ok"}'); ws.send('{"subscribe":"foo"}'); comms.publish('foo', 'correct'); } else { msg.should.equal('{"topic":"foo","data":"correct"}'); ws.close(); } }); ws.on('close', function() { try { received.should.equal(2); done(); } catch(err) { done(err); } }); }); it('rejects connections for non-existant token',function(done) { var ws = new WebSocket(url); var received = 0; ws.on('open', function() { ws.send('{"auth":"2345"}'); }); ws.on('close', function() { done(); }); }); it('rejects connections for invalid token',function(done) { var ws = new WebSocket(url); var received = 0; ws.on('open', function() { ws.send('{"auth":"5678"}'); }); ws.on('close', function() { done(); }); }); }); describe('authentication required, anonymous enabled',function() { var server; var url; var port; var getDefaultUser; before(function(done) { getDefaultUser = sinon.stub(Users,"default",function() { return when.resolve({permissions:"read"});}); server = http.createServer(function(req,res){app(req,res)}); comms.init(server, { settings:{adminAuth:{}}, log:{warn:function(){},_:function(){},trace:function(){},audit:function(){}}, events:{on:function(){},removeListener:function(){}} }); server.listen(listenPort, address); server.on('listening', function() { port = server.address().port; url = 'http://' + address + ':' + port + '/comms'; comms.start(); done(); }); }); after(function() { getDefaultUser.restore(); comms.stop(); }); it('allows anonymous connections that do not authenticate',function(done) { var ws = new WebSocket(url); var count = 0; var interval; ws.on('open', function() { ws.send('{"subscribe":"foo"}'); setTimeout(function() { comms.publish('foo', 'correct'); },200); }); ws.on('message', function(msg) { msg.should.equal('{"topic":"foo","data":"correct"}'); count++; ws.close(); }); ws.on('close', function() { try { count.should.equal(1); done(); } catch(err) { done(err); } }); }); }); });