73 lines
2.3 KiB
JavaScript
73 lines
2.3 KiB
JavaScript
// certbot_webroot.js
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// writted by Benoit LORAND <benoit.lorand@blorand.org>
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//
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// webservice help certbot when using webroot
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// Could be behind a reverse proxy (Apache, Nginx, haproxy) who do basic authentication
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//
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// inspired from https://stackoverflow.com/questions/16333790/node-js-quick-file-server-static-files-over-http
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//
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"use strict";
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const http = require('http');
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const url = require('url');
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const fs = require('fs');
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const path = require('path');
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const port = Number(process.env.NODE_PORT) || 9000;
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const listenip = process.env.NODE_LISTEN_IP || '127.0.0.1';
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const base_dir = './data';
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http.createServer(function (req, res) {
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// parse URL
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const parsedUrl = url.parse(req.url);
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// extract URL path
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let pathname = `${parsedUrl.pathname}`;
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// based on the URL path, extract the file extention. e.g. .js, .doc, ...
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const ext = path.parse(pathname).ext;
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// maps file extention to MIME typere
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const map = {
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'.ico': 'image/x-icon',
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'.html': 'text/html',
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'.js': 'text/javascript',
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'.json': 'application/json',
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'.css': 'text/css',
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'.png': 'image/png',
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'.jpg': 'image/jpeg',
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'.wav': 'audio/wav',
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'.mp3': 'audio/mpeg',
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'.svg': 'image/svg+xml',
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'.pdf': 'application/pdf',
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'.doc': 'application/msword'
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};
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fs.exists(base_dir + pathname, function (exist) {
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if(!exist) {
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// if the file is not found, return 404
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console.log(`certbot_validation_fqdn : ${req.method} ${req.url} - 404`);
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res.statusCode = 404;
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res.end(`File ${pathname} not found!`);
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return;
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}
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// if is a directory search for index file matching the extention
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if (fs.statSync(base_dir + pathname).isDirectory()) pathname += '/index' + ext;
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// read file from file system
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fs.readFile(base_dir + pathname, function(err, data){
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if(err){
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console.log(`certbot_validation_fqdn : ${req.method} ${req.url} - 500`);
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res.statusCode = 500;
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res.end(`Error getting the file: ${err}.`);
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} else {
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// if the file is found, set Content-type and send data
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console.log(`certbot_validation_fqdn : ${req.method} ${req.url} - 200`);
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res.setHeader('Content-type', map[ext] || 'text/plain' );
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res.end(data);
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}
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});
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});
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}).listen(parseInt(port, listenip));
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console.log(`Server listening on port ${listenip}:${port}`);
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