-
Notifications
You must be signed in to change notification settings - Fork 0
/
server.js
134 lines (113 loc) · 3.76 KB
/
server.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
var http = require('http'),
https = require('https'),
fs = require('fs'),
faye = require('faye'),
fayeRedis = require('faye-redis');
// Configuration options.
var options = {
logging: process.env.FAYE_LOGGING || 0,
redisHost: process.env.FAYE_REDIS_HOST || 'redis',
redisPort: process.env.FAYE_REDIS_PORT || 6379,
redisPassword: process.env.FAYE_REDIS_PASSWORD || null,
redisDatabase: process.env.FAYE_REDIS_DB || "0",
listenPort: process.env.FAYE_PORT || 4242,
listenPortSecure: process.env.FAYE_SSL_PORT || 4443,
mount: process.env.FAYE_MOUNT || '/faye',
timeout: process.env.FAYE_TIMEOUT || 45,
sameOriginURL: process.env.FAYE_SAME_ORIGIN_URL || '',
pushToken: process.env.FAYE_PUSH_TOKEN || '',
enableSSL: process.env.FAYE_USE_SSL || 0,
};
// We are only concerned with creating push servers, so this is required.
if (options.pushToken.length === 0) {
console.log('You must supply FAYE_PUSH_TOKEN, pick something strong!');
process.exit(1);
}
// Adapter configuration.
var bayeux = new faye.NodeAdapter({
mount: options.mount,
timeout: options.timeout,
engine: {
type: fayeRedis,
host: options.redisHost,
port: options.redisPort,
password: options.redisPassword,
database: options.redisDatabase,
}
});
// Log connection information.
if (options.logging === 1) {
bayeux.on('handshake', function(clientId) {
console.log('[' + new Date() + '] Client ID connected: ' + clientId);
});
bayeux.on('disconnect', function(clientId) {
console.log('[' + new Date() + '] Client ID disconnected: ' + clientId);
});
}
// Extra pre-cautions just to ensure the push originated from our domain.
var sameOrigin = {
incoming: function(message, request, callback) {
if (request && request.headers['host'] !== options.sameOriginURL) {
message.error = '403::Forbidden origin';
}
callback(message);
}
};
// Since this token is a secret, we are essentially making a push only server
// because without this token you cannot push data to the server.
var ensureAuthToPush = {
incoming: function(message, callback) {
if (!message.channel.match(/^\/meta\//)) {
let pushToken;
if(message.ext){
pushToken = message.ext.pushToken || message.ext.auth_token
}
if (pushToken !== options.pushToken) {
message.error = '403::Forbidden auth token';
}
}
callback(message);
},
outgoing: function(message, callback) {
// Avoid leaking the token to any clients.
if (message.ext) delete message.ext.pushToken;
callback(message);
}
};
var customLogging = {
incoming: function(message, callback){
console.log('[' + new Date() + '] Message: ' + message);
callback(message);
},
outgoing: function(message, callback){
console.log('[' + new Date() + '] Message: ' + message);
callback(message);
}
};
// Add our extensions and start the server.
if (options.sameOriginURL.length > 0) {
bayeux.addExtension(sameOrigin);
}
if (options.logging === 1){
bayeux.addExtension(customLogging);
}
bayeux.addExtension(ensureAuthToPush);
var app = function (request, response) {
response.writeHead(200, {'Content-Type': 'text/plain'});
response.end('42 is the answer to the universe. 3x42s for the 126 (9) or 9 or 0... aka not present.\n');
}
if(options.enableSSL == 1){
console.log("ssl enabled = " + options.enableSSL);
var httpsOptions = {
key: fs.readFileSync("/etc/ssl/certs/faye/" + process.env.SSL_KEY_FILE),
cert: fs.readFileSync("/etc/ssl/certs/faye/" + process.env.SSL_CRT_FILE)
};
console.log('Listening on port ' + options.listenPortSecure);
httpsServer = https.createServer(httpsOptions, app);
httpsServer.listen(options.listenPortSecure);
bayeux.attach(httpsServer);
}
console.log('Listening on port ' + options.listenPort);
httpServer = http.createServer(app);
httpServer.listen(options.listenPort);
bayeux.attach(httpServer);