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@dirkk0
Created July 23, 2022 09:38
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minimal nodejs webserver without modules but with CORS
"use strict";
const http = require('http');
const url = require('url');
const fs = require('fs');
const path = require('path');
const port = process.argv[2] || 9000;
// via
// https://stackoverflow.com/questions/16333790/node-js-quick-file-server-static-files-over-http
http.createServer(function (req, res) {
console.log(`========= ${req.method} ${req.url} ========`);
// parse URL
const parsedUrl = url.parse(req.url);
// extract URL path
let pathname = `.${parsedUrl.pathname}`;
// based on the URL path, extract the file extension. e.g. .js, .doc, ...
const ext = path.parse(pathname).ext;
// maps file extension to MIME typere
const mimeType = {
'.ico': 'image/x-icon',
'.html': 'text/html',
'.js': 'text/javascript',
'.json': 'application/json',
'.css': 'text/css',
'.png': 'image/png',
'.jpg': 'image/jpeg',
'.wav': 'audio/wav',
'.mp3': 'audio/mpeg',
'.svg': 'image/svg+xml',
'.pdf': 'application/pdf',
'.doc': 'application/msword'
};
const mpath = ""
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
res.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type');
res.setHeader('Access-Control-Allow-Credentials', true);
// if (pathname == "./favicon.ico") return
// read file from file system
fs.readFile(mpath + pathname, function (err, data) {
console.log("serving ", mpath + pathname)
// return
if (err) {
res.statusCode = 500;
res.end(`Error getting the file: ${err}.`);
} else {
// based on the URL path, extract the file extention. e.g. .js, .doc, ...
const ext = path.parse(pathname).ext;
// if the file is found, set Content-type and send data
res.setHeader('Content-type', mimeType[ext] || 'text/plain');
res.end(data);
}
});
}).listen(parseInt(port));
console.log(`Server listening on port ${port}`);
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