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README.md |
Authenticate socket.io incoming connections with JWTs. This is useful if you are build a single page application and you are not using cookies as explained in this blog post: Cookies vs Tokens. Getting auth right with Angular.JS.
Installation
npm install socketio-jwt
Example usage
// set authorization for socket.io
io.sockets
.on('connection', socketioJwt.authorize({
secret: 'your secret or public key',
timeout: 15000 // 15 seconds to send the authentication message
})).on('authenticated', function(socket) {
//this socket is authenticated, we are good to handle more events from it.
console.log('hello! ' + socket.decoded_token.name);
}));
Note: If you are using a base64-encoded secret (e.g. your Auth0 secret key), you need to convert it to a Buffer: Buffer('your secret key', 'base64')
Client side:
var socket = io.connect('http://localhost:9000');
socket.on('connect', function (socket) {
socket
.on('authenticated', function () {
//do other things
})
.emit('authenticate', {token: jwt}); //send the jwt
});
One roundtrip
The previous approach uses a second roundtrip to send the jwt, there is a way you can authenticate on the handshake by sending the JWT as a query string, the caveat is that intermediary HTTP servers can log the url.
var io = require("socket.io")(server);
var socketioJwt = require("socketio-jwt");
//// With socket.io < 1.0 ////
io.set('authorization', socketioJwt.authorize({
secret: 'your secret or public key',
handshake: true
}));
//////////////////////////////
//// With socket.io >= 1.0 ////
io.use(socketioJwt.authorize({
secret: 'your secret or public key',
handshake: true
}));
///////////////////////////////
io.on('connection', function (socket) {
// in socket.io < 1.0
console.log('hello!', socket.handshake.decoded_token.name);
// in socket.io 1.0
console.log('hello! ', socket.client.request.decoded_token.name);
})
For more validation options see auth0/jsonwebtoken.
Client side:
Append the jwt token using query string:
var socket = io.connect('http://localhost:9000', {
'query': 'token=' + your_jwt
});
Contribute
You are always welcome to open an issue or provide a pull-request!
Also check out the unit tests:
npm test
License
Licensed under the MIT-License. 2013 AUTH10 LLC.