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server.js
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require('dotenv').config({silent: true});
const express = require('express');
const path = require('path');
const logger = require('morgan');
const cookieParser = require('cookie-parser');
const bodyParser = require('body-parser');
const session = require('express-session');
const passport = require('passport');
const mustacheExpress = require('mustache-express');
const helmet = require('helmet');
const OIDCStrategy = require('passport-azure-ad').OIDCStrategy;
let routes = require('./routes/index');
const env = {
AAD_IDENTITY_METADATA: "https://login.windows.net/"+process.env.AAD_TENANT_ID+"/.well-known/openid-configuration",
AAD_CLIENT_ID: process.env.AAD_CLIENT_ID,
AAD_CLIENT_SECRET: process.env.AAD_CLIENT_SECRET,
AAD_RESPONSE_TYPE: process.env.AAD_RESPONSE_TYPE || 'code',
CALLBACK_URL: process.env.CALLBACK_URL || 'http://localhost:3000/callback',
};
let strategy = new OIDCStrategy({
identityMetadata: env.AAD_IDENTITY_METADATA,
clientID: env.AAD_CLIENT_ID,
responseType: env.AAD_RESPONSE_TYPE,
responseMode: 'form_post',
redirectUrl: env.CALLBACK_URL,
allowHttpForRedirectUrl: true,
clientSecret: env.AAD_CLIENT_SECRET,
validateIssuer: true,
isB2C: false,
issuer: null,
passReqToCallback: false,
scope: ['profile','group'],
loggingLevel: 'warn',
nonceLifetime: null,
nonceMaxAmount: 5,
loggingNoPII: true // Don't log tokens
},
function(iss, sub, profile, accessToken, refreshToken, params, done) {
if (!profile.oid) {
return done(new Error("No oid found"), null);
}
var userData = {};
userData.oid = profile.oid;
userData.upn = profile.upn;
userData.profile = profile;
userData.refreshToken = refreshToken;
userData.accessToken = accessToken;
userData.expiresIn = params.expires_in;
userData.expiresOn = params.expires_on;
// asynchronous verification, for effect...
process.nextTick(function () {
findByOid(userData.oid, function(err, user) {
if (err) {
return done(err);
}
if (!user) {
// "Auto-registration"
users.push(userData);
return done(null, userData);
} else {
user.refreshToken = userData.refreshToken;
user.accessToken = userData.accessToken;
user.expiresIn = userData.expiresIn;
user.expiresOn = userData.expiresOn;
}
return done(null, user);
});
});
}
);
passport.use(strategy);
// array to hold logged in users
var users = [];
var findByOid = function(oid, fn) {
for (var i = 0, len = users.length; i < len; i++) {
var user = users[i];
if (user.oid === oid) {
return fn(null, user);
}
}
return fn(null, null);
};
// you can use this section to keep a smaller payload
passport.serializeUser(function(user, done) {
done(null, user);
});
passport.deserializeUser(function(user, done) {
done(null, user);
});
const SECRET = 'Bc7V#3BoPupeFkt$%x4gJuyZ';
var app = express();
app.enable('trust proxy');
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.engine('mustache', mustacheExpress());
app.set('view engine', 'mustache');
app.use(helmet());
app.use(helmet.noCache());
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(session({
secret: SECRET,
resave: true,
saveUninitialized: true,
cookie: {maxAge: 3600000 }
}));
app.use(passport.initialize());
app.use(passport.session());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', routes);
// catch 404 and forward to error handler
app.use(function(err, req, res, next) {
console.log(err.message);
if (err.name === 'UnauthorizedError') {
res.set('Content-Type', 'text/html');
res.status(401).send('<!DOCTYPE html><html><head><meta http-equiv="refresh" content="0; url=/login"></head></html>');
} else {
next(err);
}
});
// error handlers
// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: err
});
});
}
// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: {}
});
});
app.listen(3000, function () {
console.log('App started up and listening on port 3000!');
});
module.exports = app;