node-basics/app.js at master · Shery11/node-basics · GitHub

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console.log("Starting the app");
// for local storage
var storage = require("node-persist");
// init storage
storage.initSync();

// for encryption
var crypto = require('crypto-js');


// for accepting command line inputs
var argv = require('yargs')
.command('create','create user account',function(yargs){

   yargs.options({
   	 name: {
   	 demand: true,
   	 alias : 'n',
   	 description : 'Enter account name',
   	 type :'string'
    },
	userName :{
	  	demand:true,
	  	alias : 'u',
	  	description: 'Choose username name',
	  	type : 'string'
	  },
	  password :{
	  	demand:true,
	  	alias : 'p',
	  	description: 'your last name',
	  	type : 'string'
	  },
	  masterPassword:{
	  	demand:true,
	  	alias:'m',
	  	description:'This is the master password you have to provide',
	  	type:'string'
	   }


   }).help()

})
.command('get','Get user account',function(yargs){
	yargs.options({

	name : {
		demand : true,
		alias : 'n',
		description : 'Name of account ',
		type : 'string'
     },
     masterPassword:{
	  	demand:true,
	  	alias:'m',
	  	description:'This is the master password you have to provide',
	  	type:'string'

	  }

    }).help()

  }).help().argv

function getAccounts(masterPassword){

    var encryptedAccounts = storage.getItemSync('accounts');
    var accounts = [];

	if(typeof encryptedAccounts !== 'undefined'){

        var bytes = crypto.AES.decrypt(encryptedAccounts,masterPassword);
	    accounts = JSON.parse(bytes.toString(crypto.enc.Utf8));

   	}

     return accounts;

}

function saveAccounts(accounts,masterPassword){

       var arrayString = JSON.stringify(accounts);
       var enctyptedAccounts = crypto.AES.encrypt(arrayString,masterPassword);
       storage.setItemSync('accounts',enctyptedAccounts.toString());
       return accounts;


}
function createAccount(account,masterPassword){

	var accounts = getAccounts(masterPassword);
	accounts.push(account);

	saveAccounts(accounts,masterPassword);
    return account;
}


function getAccount(accountName,masterPassword){
    var accounts = getAccounts(masterPassword);
	 var matched;

   accounts.forEach(function(data){

       if(data.name === accountName){
       	 matched = data;
       }

	});

	return matched;

}

var command = argv._[0];

if(command === 'create'){
	try{
		var account = {

			name:argv.n,
			userName:argv.u,
			password:argv.p

		}

		var newAccount =  createAccount(account,argv.masterPassword);
	}catch(e){
		console.log('Unable to create acccount dute to error:'+e.message);
	}


}else if(command === 'get'){

		try{
		    var account = getAccount(argv.name,argv.masterPassword);

				 if(typeof account != 'undefined'){
				 	console.log(account);
				 }else{
				 	console.log('Account not found');
				 }
		}catch(e){
			console.log('Unable to get account duo to error:'+e.message);
		}

}