101 lines
2.4 KiB
JavaScript
101 lines
2.4 KiB
JavaScript
const express = require('express')
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const bodyParser = require('body-parser')
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const path = require('path')
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const favicon = require('serve-favicon')
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const rateLimit = require('express-rate-limit')
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const retrieveICS = require('./services/ics-retriever')
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const {
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genericErrorHandler,
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checkURLParameter,
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forceSecure,
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createRouteLogger,
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createErrorLogger,
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} = require('./middlewares')
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const { createAppLogger } = require('./utils')
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const port = process.env.PORT
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const certEndpoint = process.env.CERT_ENDPOINT || ''
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const certSecret = process.env.CERT_SECRET || ''
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const isDevelopment = process.env.NODE_ENV === 'development'
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const enforceHTTPS = Boolean(process.env.ENFORCE_HTTPS)
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const app = express()
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const appLogger = createAppLogger({ dev: isDevelopment })
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const limiter = rateLimit({
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windowMs: 60 * 1000,
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max: 10,
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})
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const pkg = require('../package.json')
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const version = pkg.version || ''
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// Force app to always redirect to HTTPS
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// use when you can't configure web server
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if (enforceHTTPS) {
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app.use(forceSecure)
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}
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// Server logs
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// You can alternatively enable these to mimic logs created
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// by your web server
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if (isDevelopment) {
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app.use(createRouteLogger({ dev: isDevelopment }))
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}
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app.set('view engine', 'ejs')
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app.set('views', path.join(__dirname, 'views'))
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app.set('trust proxy', 1)
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app.use(express.static(path.join(__dirname, '..', 'dist')))
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//app.use(favicon(path.join(__dirname, '..', 'dist', 'favicon.ico')))
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app.use(bodyParser.urlencoded({ extended: true }))
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const indexFile = path.join(__dirname, '..', 'dist', 'index.html')
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if (certEndpoint) {
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app.get(`/${certEndpoint}`, (req, res) => {
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res.status(200).send(certSecret)
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})
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}
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app.get('/error', (req, res) => {
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const error = req.error || req.query.error || ''
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res
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.status(500)
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.render('error', { error })
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})
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app.get('/about', (req, res) => {
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res.render('about', { version })
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})
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// NOTE: Capture all unkown URLs
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app.get('*', (req, res) => {
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res.status(400).render('404')
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})
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app.use('/download', limiter)
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app.use('/download', checkURLParameter)
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app.post('/download', async (req, res, next) => {
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try {
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const { url } = req.body
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const ics = await retrieveICS(url, {
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logger: appLogger,
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})
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res
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.contentType('text/calendar')
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.status(200)
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.send(Buffer.from(ics, 'utf8'))
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} catch (err) {
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next(err)
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}
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})
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app.use(createErrorLogger({ dev: isDevelopment }))
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app.use(genericErrorHandler)
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app.listen(port)
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