63 lines
1.6 KiB
JavaScript
63 lines
1.6 KiB
JavaScript
const express = require('express')
|
|
const compression = require('compression')
|
|
const sapper = require('sapper')
|
|
const serveStatic = require('serve-static')
|
|
const app = express()
|
|
const helmet = require('helmet')
|
|
|
|
const headScriptChecksum = require('./inline-script-checksum').checksum
|
|
|
|
const { PORT = 4002 } = process.env
|
|
|
|
// this allows us to do e.g. `fetch('/_api/blog')` on the server
|
|
const fetch = require('node-fetch')
|
|
global.fetch = (url, opts) => {
|
|
if (url[0] === '/') {
|
|
url = `http://localhost:${PORT}${url}`
|
|
}
|
|
return fetch(url, opts)
|
|
}
|
|
|
|
const debugPaths = ['/report.html', '/stats.json']
|
|
|
|
const debugOnly = (fn) => (req, res, next) => (
|
|
!~debugPaths.indexOf(req.path) ? next() : fn(req, res, next)
|
|
)
|
|
|
|
const nonDebugOnly = (fn) => (req, res, next) => (
|
|
~debugPaths.indexOf(req.path) ? next() : fn(req, res, next)
|
|
)
|
|
|
|
app.use(compression({ threshold: 0 }))
|
|
|
|
// report.html needs to have CSP disable because it has inline scripts
|
|
app.use(debugOnly(helmet()))
|
|
app.use(nonDebugOnly(helmet({
|
|
contentSecurityPolicy: {
|
|
directives: {
|
|
scriptSrc: [`'self'`, `'sha256-${headScriptChecksum}'`],
|
|
workerSrc: [`'self'`],
|
|
styleSrc: [`'self'`, `'unsafe-inline'`],
|
|
frameSrc: [`'none'`],
|
|
objectSrc: [`'none'`],
|
|
manifestSrc: [`'self'`]
|
|
}
|
|
}
|
|
})))
|
|
|
|
app.use(serveStatic('assets', {
|
|
setHeaders: (res) => {
|
|
res.setHeader('Cache-Control', 'public,max-age=600')
|
|
}
|
|
}))
|
|
|
|
debugPaths.forEach(debugPath => {
|
|
app.use(debugPath, express.static(`.sapper/client${debugPath}`))
|
|
})
|
|
|
|
app.use(sapper())
|
|
|
|
app.listen(PORT, () => {
|
|
console.log(`listening on port ${PORT}`)
|
|
})
|