Bluetooth Server

index.js

var bluetooth_serial_port = require('bluetooth-serial-port');
var node_ssh = require('node-ssh');

var BLUESERVER = BLUESERVER || {
    // Dependencies
    bluetooth: new(bluetooth_serial_port).BluetoothSerialPortServer(),
    ssh: new node_ssh(),

    // Message codes
    INITIAL_CONFIG: 0,
    PIN_VERIFICATION: 1,
    VERIFICATION_ACK: 2,

    // Settings
    server: {
        address: '10.10.2.225',
        user: 'jorge',
        cwd: '/home/jorge',
    },
    guardPC: {
        address: '10.10.2.225',
        user: 'jorge',
        cwd: '/home/jorge',
    },
    privateKeyPath: '/home/pi/.ssh/id_rsa',
    webServerAddress: 'http://10.10.2.225/',
    CHANNEL: 1,
    UUID: '1101',

    start: function(){
        BLUESERVER.bluetooth.listen(function(clientAddress){
            console.log("Client "+clientAddress+" connected!");

            BLUESERVER.bluetooth.on('data', function (buffer) {
                var msg = JSON.parse(buffer);
                if(msg.code === BLUESERVER.INITIAL_CONFIG)
                    BLUESERVER.initialConfig(msg);
                else if(msg.code === BLUESERVER.PIN_VERIFICATION)
                    BLUESERVER.pinVerification(msg);
            });
        },
        function(error){
            console.error("Something wrong happened!: "+error);
        }, { uuid: BLUESERVER.UUID, channel: BLUESERVER.CHANNEL });
    },
    initialConfig: function(msg){
        BLUESERVER.ssh.connect({
            host: BLUESERVER.server.address,
            username: BLUESERVER.server.user,
            privateKey: BLUESERVER.privateKeyPath
        }).then(function(){
           BLUESERVER.ssh.execCommand("./signPin "+msg.pin, {cwd: BLUESERVER.server.cwd})
               .then(function(result){
                   BLUESERVER.bluetooth.write(new Buffer(result.stdout),function(err, bytesWritten){
                       if(err)
                           console.log("Error -> Initial configuration: "+err);
                   });
               });
        });
    },
    pinVerification: function(msg){
        BLUESERVER.ssh.connect({
            host: BLUESERVER.server.address,
            username: BLUESERVER.server.user,
            privateKey: BLUESERVER.privateKeyPath
        }).then(function(){
            BLUESERVER.ssh.execCommand("./verification "+msg.pin+" "+msg.signedPin, {cwd: BLUESERVER.server.cwd})
                .then(function(result){
                    BLUESERVER.bluetooth.write(new Buffer(BLUESERVER.VERIFICATION_ACK), function(err, bytesWritten){
                        if(err)
                            console.log("Error -> Verify PIN: "+err);
                    });

                    var url;
                    if(result.stdout === "OK")
                        url = BLUESERVER.webServerAddress+"index.php?pin="+msg.pin;
                    else
                        url = BLUESERVER.webServerAddress+"invalido.html";
                    BLUESERVER.showUserInfo(url);
                });
        });
    },
    showUserInfo: function(url) {
        BLUESERVER.ssh.connect({
            host: BLUESERVER.guardPC.address,
            username: BLUESERVER.guardPC.user,
            privateKey: BLUESERVER.privateKeyPath
        }).then(function(){
            BLUESERVER.ssh.execCommand("firefox --display=':1' "+url+" > /dev/null 2> /dev/null & pid=$!; sleep 10; kill $pid");
        });
    }
};
BLUESERVER.start();

package.json

{
  "name": "bluetooth-server",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "dependencies": {
    "bluetooth-serial-port": "^2.1.5",
    "node-ssh": "^5.0.0"
  },
  "devDependencies": {},
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC"
}