Sign in to Nodejs web app, using Azure AD - node.js

Question

I'm trying to figure out how you can authenticate users using Azure AD. In order to experiment, I tried the example from Microsoft, found at https://github.com/Azure-Samples/active-directory-node-webapp-openidconnect.
I've set up an Active Directory in Azure, and added a new application called test with add id uri: http://testmagnhalv.
Now, when I run the server, following the instructions in the readme, I get redirected to login.microsoftonline.com and promted to log in. But when I provide username/pw, I get redirected back to the login page again.
I suspect the problem is that I don't set the variables in the config.json correctly, but I'm having a hard time finding documentation for what values need to be set.
Anyone got any experience with this example?

Answer 1

At first you must to add your app to active directory then use ADAL (Active Directory Authentication Library) for nodeJS
npm install adal-node
prepare your app for authentication referencing azure AD App registration values.
var AuthenticationContext = require('adal-node').AuthenticationContext;
var clientId = 'yourClientIdHere';
var clientSecret = 'yourAADIssuedClientSecretHere'
var redirectUri = 'yourRedirectUriHere';
var authorityHostUrl = 'https://login.windows.net';
var tenant = 'myTenant';
var authorityUrl = authorityHostUrl + '/' + tenant;
var redirectUri = 'http://localhost:3000/getAToken';
var resource = '00000002-0000-0000-c000-000000000000';
var templateAuthzUrl = 'https://login.windows.net/' +
tenant +
'/oauth2/authorize?response_type=code&client_id=' +
clientId +
'&redirect_uri=' +
redirectUri + '
&state=<state>&resource=' +
resource;
Now you need to get authorized with the token.
function createAuthorizationUrl(state) {
return templateAuthzUrl.replace('<state>', state);
}
// Clients get redirected here in order to create an OAuth authorize url and redirect them to AAD.
// There they will authenticate and give their consent to allow this app access to
// some resource they own.
app.get('/auth', function(req, res) {
crypto.randomBytes(48, function(ex, buf) {
var token = buf.toString('base64').replace(/\//g,'_').replace(/\+/g,'-');
res.cookie('authstate', token);
var authorizationUrl = createAuthorizationUrl(token);
res.redirect(authorizationUrl);
});
});
And finally handle the auth redirection
// After consent is granted AAD redirects here. The ADAL library is invoked via the
// AuthenticationContext and retrieves an access token that can be used to access the
// user owned resource.
app.get('/getAToken', function(req, res) {
if (req.cookies.authstate !== req.query.state) {
res.send('error: state does not match');
}
var authenticationContext = new AuthenticationContext(authorityUrl);
authenticationContext.acquireTokenWithAuthorizationCode(
req.query.code,
redirectUri,
resource,
clientId,
clientSecret,
function(err, response) {
var errorMessage = '';
if (err) {
errorMessage = 'error: ' + err.message + '\n';
}
errorMessage += 'response: ' + JSON.stringify(response);
res.send(errorMessage);
}
);
});
You can find the full example, and more here in ADAL for nodeJS repository:
Windows Azure Active Directory Authentication Library (ADAL) for Node.js
This is a simple but full demo taken from GitHub ADAL repository
website-sample.js
'use strict';
var express = require('express');
var logger = require('connect-logger');
var cookieParser = require('cookie-parser');
var session = require('cookie-session');
var fs = require('fs');
var crypto = require('crypto');
var AuthenticationContext = require('adal-node').AuthenticationContext;
var app = express();
app.use(logger());
app.use(cookieParser('a deep secret'));
app.use(session({secret: '1234567890QWERTY'}));
app.get('/', function(req, res) {
res.redirect('login');
});
/*
* You can override the default account information by providing a JSON file
* with the same parameters as the sampleParameters variable below. Either
* through a command line argument, 'node sample.js parameters.json', or
* specifying in an environment variable.
* {
* "tenant" : "rrandallaad1.onmicrosoft.com",
* "authorityHostUrl" : "https://login.windows.net",
* "clientId" : "624ac9bd-4c1c-4686-aec8-e56a8991cfb3",
* "clientSecret" : "verySecret="
* }
*/
var parametersFile = process.argv[2] || process.env['ADAL_SAMPLE_PARAMETERS_FILE'];
var sampleParameters;
if (parametersFile) {
var jsonFile = fs.readFileSync(parametersFile);
if (jsonFile) {
sampleParameters = JSON.parse(jsonFile);
} else {
console.log('File not found, falling back to defaults: ' + parametersFile);
}
}
if (!parametersFile) {
sampleParameters = {
tenant : 'rrandallaad1.onmicrosoft.com',
authorityHostUrl : 'https://login.windows.net',
clientId : '624ac9bd-4c1c-4686-aec8-b56a8991cfb3',
username : 'frizzo#naturalcauses.com',
password : ''
};
}
var authorityUrl = sampleParameters.authorityHostUrl + '/' + sampleParameters.tenant;
var redirectUri = 'http://localhost:3000/getAToken';
var resource = '00000002-0000-0000-c000-000000000000';
var templateAuthzUrl = 'https://login.windows.net/' + sampleParameters.tenant + '/oauth2/authorize?response_type=code&client_id=<client_id>&redirect_uri=<redirect_uri>&state=<state>&resource=<resource>';
app.get('/', function(req, res) {
res.redirect('/login');
});
app.get('/login', function(req, res) {
console.log(req.cookies);
res.cookie('acookie', 'this is a cookie');
res.send('\
<head>\
<title>FooBar</title>\
</head>\
<body>\
Login\
</body>\
');
});
function createAuthorizationUrl(state) {
var authorizationUrl = templateAuthzUrl.replace('<client_id>', sampleParameters.clientId);
authorizationUrl = authorizationUrl.replace('<redirect_uri>',redirectUri);
authorizationUrl = authorizationUrl.replace('<state>', state);
authorizationUrl = authorizationUrl.replace('<resource>', resource);
return authorizationUrl;
}
// Clients get redirected here in order to create an OAuth authorize url and redirect them to AAD.
// There they will authenticate and give their consent to allow this app access to
// some resource they own.
app.get('/auth', function(req, res) {
crypto.randomBytes(48, function(ex, buf) {
var token = buf.toString('base64').replace(/\//g,'_').replace(/\+/g,'-');
res.cookie('authstate', token);
var authorizationUrl = createAuthorizationUrl(token);
res.redirect(authorizationUrl);
});
});
// After consent is granted AAD redirects here. The ADAL library is invoked via the
// AuthenticationContext and retrieves an access token that can be used to access the
// user owned resource.
app.get('/getAToken', function(req, res) {
if (req.cookies.authstate !== req.query.state) {
res.send('error: state does not match');
}
var authenticationContext = new AuthenticationContext(authorityUrl);
authenticationContext.acquireTokenWithAuthorizationCode(req.query.code, redirectUri, resource, sampleParameters.clientId, sampleParameters.clientSecret, function(err, response) {
var message = '';
if (err) {
message = 'error: ' + err.message + '\n';
}
message += 'response: ' + JSON.stringify(response);
if (err) {
res.send(message);
return;
}
// Later, if the access token is expired it can be refreshed.
authenticationContext.acquireTokenWithRefreshToken(response.refreshToken, sampleParameters.clientId, sampleParameters.clientSecret, resource, function(refreshErr, refreshResponse) {
if (refreshErr) {
message += 'refreshError: ' + refreshErr.message + '\n';
}
message += 'refreshResponse: ' + JSON.stringify(refreshResponse);
res.send(message);
});
});
});
app.listen(3000);
console.log('listening on 3000');
https://github.com/AzureAD/azure-activedirectory-library-for-nodejs/blob/master/sample/website-sample.js

Answer 2

As I known, I suggest you can follow the two documents below as references to get start.
Web App Sign In & Sign Out with Azure AD https://azure.microsoft.com/en-us/documentation/articles/active-directory-devquickstarts-openidconnect-nodejs/
Integrating Azure AD into a NodeJS web application https://azure.microsoft.com/en-us/documentation/samples/active-directory-node-webapp-openidconnect/
For developing easier, you can try to use the node package passport-azure-ad(https://github.com/AzureAD/passport-azure-ad) that is the one strategy of passport (http://passportjs.org/) for NodeJS to implement your needs.

Answer 3

I had similar problem and able to resolve it. After googling i made two changes in config.js.
issuer value set to false.
responseMode value changed from query to form_post.
config.js :
exports.creds = {
issuer : false,
realm : "<TENANT>",
returnURL: 'http://localhost:3000/auth/openid/return',
identityMetadata: 'https://login.microsoftonline.com/common/.well-known/openid-configuration', // For using Microsoft you should never need to change this.
clientID: '<CLIENT_ID>',
clientSecret: '<CLIENT_SECRET>', // if you are doing code or id_token code
skipUserProfile: true, // for AzureAD should be set to true.
responseType: 'id_token code', // for login only flows use id_token. For accessing resources use `id_token code`
responseMode: 'form_post', // For login only flows we should have token passed back to us in a POST
};