-
Notifications
You must be signed in to change notification settings - Fork 144
/
index.js
172 lines (141 loc) · 5.47 KB
/
index.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
'use strict';
var express = require('express'),
app = null, // = express(),
server = null, // = require('http').createServer(app),
io = null, // = require('socket.io').listen(server),
bodyParser = require('body-parser'),
fs = require('fs'),
path = require('path'),
EventEmitter = require('events').EventEmitter;
var configHelper = require('../config'),
config = configHelper.config,
log = require('../logger')('nodecg/lib/server'),
syncedVars,
extensionManager;
// Check for updates
var request = require('request');
var versionCompare = require('../util').versionCompare;
var pjson = require('../../package.json');
request('http://registry.npmjs.org/nodecg/latest', function (err, res, body) {
if (!err && res.statusCode === 200) {
if (versionCompare(JSON.parse(body).version, pjson.version) >= 1) {
log.warn('A new update is available for NodeCG: %s (current: %s)', JSON.parse(body).version, pjson.version);
}
}
});
exports = new EventEmitter();
exports.start = function() {
log.info('Starting NodeCG %s (Running on Node.js %s)', pjson.version, process.version);
// Get a fresh config before starting
config = configHelper.getConfig();
syncedVars = require('../synced_variables');
// (Re)create Express app, HTTP(S) & Socket.IO servers
app = express();
if (config.ssl.enabled) {
var sslOpts = {
key: fs.readFileSync(config.ssl.keyPath),
cert: fs.readFileSync(config.ssl.certificatePath)
};
server = require('https').createServer(sslOpts, app);
} else {
server = require('http').createServer(app);
}
io = require('socket.io')(server);
io.sockets.setMaxListeners(64); // Prevent console warnings when many extensions are installed
extensionManager = require('./extensions.js');
extensionManager.on('extensionsLoaded', function() {
extensionManager.getExpressExtensions().forEach(function(extData) {
var extension = extData[0];
var name = extData[1];
try {
app.use(extension);
} catch(e) {
log.error('Failed to mount extension for bundle "%s" as an express app.'
+ '\n\tEither make sure your extension is actually exporting an express app,'
+ '\n\tor set "extension.express" to "false" in your nodecg.json', name);
}
});
exports.emit('extensionsLoaded');
// We intentionally wait until all bundles and extensions are loaded before starting the server.
// This has two benefits:
// 1) Prevents the dashboard/views from being opened before everything has finished loading
// 2) Prevents dashboard/views from re-declaring synced vars on reconnect before extensions have had a chance
server.listen(config.port);
exports.emit('started');
var protocol = config.ssl.enabled ?
'https' :
'http';
log.info('NodeCG running on %s://%s:%s', protocol, config.host, config.port);
});
// Set up Express
log.trace('Setting up Express');
app.use('/components', express.static(path.join(__dirname, '..', '..', 'bower_components')));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: true}));
app.engine('jade', require('jade').__express);
app.engine('html', require('ejs').renderFile);
app.engine('ejs', require('ejs').renderFile);
app.all('*', function (req, res, next) {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Methods', 'PUT, GET, POST, DELETE, OPTIONS');
res.header('Access-Control-Allow-Headers', 'Content-Type');
next();
});
if (config.login.enabled) {
log.info('Login security enabled');
var login = require('../login');
app.use(login);
} else {
app.get('/login*', function(req, res) {
res.redirect('/dashboard');
});
}
log.trace('Starting dashboard lib');
var dashboard = require('../dashboard');
app.use(dashboard);
log.trace('Starting bundle views lib');
var bundleViews = require('../bundle_views');
app.use(bundleViews);
io.on('connection', function onConnection(socket) {
log.trace('New socket connection: ID %s with IP %s', socket.id, socket.handshake.address);
socket.on('message', function onMessage(data) {
log.debug('Socket %s sent a message:', socket.id, data);
io.emit('message', data);
});
});
log.trace('Attempting to listen on port %s', config.port);
server.on('error', function(err) {
exports.emit('error', err);
switch (err.code) {
case 'EADDRINUSE':
log.error('[server.js] Port %d in use, is NodeCG already running? NodeCG will now exit.', config.port);
break;
default:
log.error('Unhandled error!', err);
break;
}
});
};
exports.stop = function() {
server.close();
io.close();
extensionManager = null;
io = null;
server = null;
app = null;
exports.emit('stopped');
};
exports.getExtensions = function() {
if (extensionManager) {
return extensionManager.getExtensions();
}
return {};
};
exports.getIO = function() {
return io;
};
// Only used in tests, use with extreme caution
exports._resetSyncedVariables = function() {
syncedVars._reset();
};
module.exports = exports;