71 lines
1.6 KiB
JavaScript
71 lines
1.6 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 crawl = require('./crawler')
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const parseHTML = require('./parser')
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const generateICS = require('./ics')
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const { genericErrorHandler, checkURLParameter } = require('./middlewares')
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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 app = express()
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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.use(express.static(path.join(__dirname, 'public')))
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app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')))
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app.use(bodyParser())
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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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app.get('/', (req, res) => {
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res.render('index')
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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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// 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', checkURLParameter)
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app.use('/download', rateLimit())
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app.post('/download', async (req, res, next) => {
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const { url } = req.body
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try {
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const html = await crawl(url)
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const data = parseHTML(html)
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const ics = await generateICS(data)
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if (ics) {
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return res
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.contentType('text/calendar')
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.send(200, new Buffer(ics, 'utf8'))
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}
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} catch (err) {
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next(err)
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return
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}
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})
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app.use(genericErrorHandler)
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app.listen(port, () => {
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console.log(`App running on port ${port}`)
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})
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