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server.js
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server.js
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require('dotenv').config()
require('express-async-errors')
const fs = require('node:fs')
const path = require('node:path')
const express = require('express')
const logger = require('morgan')
const http = require('http')
const https = require('https')
const { engine } = require('express-handlebars')
const cookieSession = require('cookie-session')
const cookieParser = require('cookie-parser')
const package = require('./package.json')
const { auth, redirectToLogin } = require('./utils/auth')
const routes = require('./routes')
const { buildErrorHandlerData } = require('./utils/error')
const { COOKIE_SECRET } = process.env
const app = express()
// session and authentication
app.use(
cookieSession({
secret: COOKIE_SECRET,
maxAge: 24 * 60 * 60 * 1000 // 24 hours
})
)
app.use(auth())
// other global middlewares
app.use(cookieParser(COOKIE_SECRET))
app.use(logger('dev'))
app.use(express.static(path.join(__dirname, 'public')))
app.set('view engine', 'handlebars')
app.engine(
'handlebars',
engine({
defaultLayout: 'main'
})
)
// make user data available in all views
app.use((req, res, next) => {
res.locals.user = req.user
next()
})
// routes
app.use(routes)
// catch 404 and forward to error handler
app.use(function (_req, _res, next) {
const err = new Error('Not Found')
err.status = 404
next(err)
})
// error handler
app.use(function (err, req, res, _next) {
const { status, description, details } = buildErrorHandlerData(err)
if (status === 401) {
console.log('Redirecting UNAUTHORIZED to login page')
return redirectToLogin(req, res)
}
res.status(status)
if (status === 404) {
return res.render('not_found')
}
if (status >= 500) {
console.error('ERROR:', err)
}
res.render('error', {
status,
description,
details
})
})
// start the server
const server =
process.env.NODE_ENV !== 'production'
? http.createServer(app)
: https.createServer(
{
key: fs.readFileSync(path.resolve('./cert/dev.key')),
cert: fs.readFileSync(path.resolve('./cert/dev.crt'))
},
app
)
const port = process.env.PORT || 3000
server.listen(port, () => {
console.log(
`${package.description} (v${package.version}), listening on port ${port}`
)
})