Socket.io Auth JWT

Socket.IO authentication middleware using JSON Web Token

Installation

The Socket.io Auth JWT can be installed with NPM. Run this command:

npm i socket.io-auth-jwt

Using

Server side:

io.use(new authJWT({
    secret: 'your secret key',
    error_details: true,
    error_event: "unauthorized_error"
})).on("connection", (socket) => {
    if(this.socket.handshake.user == undefined){
        //Redirect user to login page
        this.socket.disconnect(true);
    }
        
    console.log(this.socket.handshake.user);
});

Note: Only secret parametar is required. By default error_details: false and error_event is 'unauthorized'

Client side:

var your_jwt_token = "xxxxx.xxxx.xxxx";
var socket = io('http://localhost:3000', {query: "token="+your_jwt_token});

socket.on('unauthorized_error', function (err) {
    console.log(err);
});

License

Please see the license file for more information.