53 lines
1.5 KiB
JavaScript
53 lines
1.5 KiB
JavaScript
import http from 'http'
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import fs from 'fs'
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import path from 'path'
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import { fileURLToPath } from 'url'
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const __dirname = path.dirname(fileURLToPath(import.meta.url))
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const distDir = process.env.DIST_DIR || 'dist'
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const root = path.resolve(__dirname, '..', distDir)
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const host = process.env.HOST || '127.0.0.1'
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const port = process.env.PORT || 8080
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const mime = {
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'.js': 'application/javascript',
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'.css': 'text/css',
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'.html': 'text/html',
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'.wasm': 'application/wasm',
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'.json': 'application/json',
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'.svg': 'image/svg+xml'
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}
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const server = http.createServer((req, res) => {
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try {
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let reqUrl = decodeURI(new URL(req.url, `http://localhost`).pathname)
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if (reqUrl === '/') reqUrl = '/index.html'
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const safePath = path.normalize(path.join(root, reqUrl))
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if (!safePath.startsWith(root)) {
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res.statusCode = 403
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return res.end('Forbidden')
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}
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fs.stat(safePath, (err, stats) => {
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if (err || !stats.isFile()) {
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res.statusCode = 404
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return res.end('Not found')
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}
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const ext = path.extname(safePath).toLowerCase()
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res.setHeader('Content-Type', mime[ext] || 'application/octet-stream')
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res.setHeader('Content-Length', stats.size)
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const stream = fs.createReadStream(safePath)
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stream.pipe(res)
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stream.on('error', () => {
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res.statusCode = 500
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res.end()
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})
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})
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} catch (e) {
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res.statusCode = 500
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res.end('Server error')
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}
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})
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server.listen(port, host, () => console.log(`Serving ${root} at http://${host}:${port}/`))
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