Created
February 2, 2014 03:45
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Very simple user authentication using async
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var async = require('async'); | |
module.exports = { | |
userCredentials: [ | |
{ | |
username: 'testUser1', | |
password: 'pa$$word' | |
}, | |
{ | |
username: 'testUser2', | |
password: 's0mep4$$w0rd' | |
}], | |
isUserAuthenticated: function(username, password) { | |
var scope = this; | |
process.nextTick(function() { | |
async.detect( | |
scope.userCredentials, | |
function(item, callback) { | |
var isCorrect = item.username === username && | |
item.password === password; | |
callback(isCorrect); | |
}, | |
function(result) { | |
if(!result) { | |
throw "Username and password incorrect"; | |
} | |
console.log("Username and password are correct"); | |
} | |
); | |
}) | |
} | |
} |
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var async = require('async'), | |
auth = require('./auth.js'), | |
stdin = process.stdin, stdout = process.stdout; | |
process.stdin.resume(); | |
process.stdin.setEncoding('utf8'); | |
async.waterfall([ | |
function(callback) { | |
stdout.write("Please enter your username: "); | |
stdin.once('data', function(data) { | |
username = data.toString().trim(); | |
if(username === '') { | |
callback("Username cannot be blank"); | |
} | |
callback(null, username); | |
}) | |
}, | |
function(username, callback) { | |
stdout.write("Please enter your password: "); | |
stdin.once('data', function(data) { | |
var password = data.toString().trim(); | |
if(password === '') { | |
callback("Password cannot be blank"); | |
} | |
callback(null, { | |
username: username, | |
password: password | |
}); | |
}) | |
} | |
], function(err, credentials) { | |
if(err) { | |
throw err; | |
} | |
auth.isUserAuthenticated.call(auth, credentials.username, credentials.password); | |
}) |
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