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app.js
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app.js
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// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
const session = require('express-session');
const flash = require('connect-flash');
const msal = require('@azure/msal-node');
require('dotenv').config();
const dbHelper = require('./helpers/dbHelper');
dbHelper.ensureDatabase();
const indexRouter = require('./routes/index');
const delegatedRouter = require('./routes/delegated');
const appOnlyRouter = require('./routes/apponly');
const listenRouter = require('./routes/listen');
const watchRouter = require('./routes/watch');
const lifecycleRouter = require('./routes/lifecycle');
const app = express();
// MSAL config
const msalConfig = {
auth: {
clientId: process.env.OAUTH_CLIENT_ID,
authority: `${process.env.OAUTH_AUTHORITY}/${process.env.OAUTH_TENANT_ID}`,
clientSecret: process.env.OAUTH_CLIENT_SECRET,
},
system: {
loggerOptions: {
loggerCallback(logLevel, message, containsPii) {
console.log(message);
},
piiLoggingEnabled: false,
logLevel: msal.LogLevel.Error,
},
},
};
// Create msal application object
app.locals.msalClient = new msal.ConfidentialClientApplication(msalConfig);
// Session middleware
// NOTE: Uses default in-memory session store, which is not
// suitable for production
app.use(
session({
secret: process.env.EXPRESS_SESSION_SECRET,
resave: false,
saveUninitialized: false,
unset: 'destroy',
}),
);
// Flash middleware
app.use(flash());
app.use(function (req, res, next) {
// Read any flashed errors and save
// in the response locals
res.locals.errors = req.flash('error_msg');
// Check for simple error string and
// convert to layout's expected format
const errs = req.flash('error');
for (const err in errs) {
res.locals.errors.push({ message: 'An error occurred', debug: err });
}
next();
});
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', indexRouter);
app.use('/delegated', delegatedRouter);
app.use('/apponly', appOnlyRouter);
app.use('/listen', listenRouter);
app.use('/watch', watchRouter);
app.use('/lifecycle', lifecycleRouter);
// catch 404 and forward to error handler
app.use(function (req, res, next) {
next(createError(404));
});
// error handler
app.use(function (err, req, res, next) {
// set locals, only providing error in development
res.locals.message = err.message;
res.locals.error = req.app.get('env') === 'development' ? err : {};
// render the error page
res.status(err.status || 500);
res.render('error');
});
module.exports = app;