Ajnasz/serve.js

## serve.js
/*jshint node:true*/
/*eslint-env node*/
var fs = require('fs');
var url = require('url');
var mime = require('mime');
var path = require('path');

function serveError(code, res) {
	'use strict';
	res.writeHead(code);
	res.end(String(500));
}

function serve404(res) {
	'use strict';
	serveError(404, res);
}

function serve500(res) {
	'use strict';
	serveError(500, res);
}

function serveDir(dirPath, res) {
	'use strict';
	console.log('serve %s', dirPath);

	fs.readdir(dirPath, function (err, files) {
		if (err) {
			serve500(res);
			return;
		}

		res.setHeader('Content-Type', 'text/html');
		res.write('<!doctype html>');
		res.write('<html>');
		res.write('<head>');
		res.write('<title>' + dirPath + '</title>');
		res.write('<link rel="stylesheet" ' +
				'href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" ' +
				'integrity="sha512-dTfge/zgoMYpP7QbHy4gWMEGsbsdZeCXz7irItjcC3sPUFtf0kuFbDz/ixG7ArTxmDjLXDmezHubeNikyKGVyQ==" ' +
				'crossorigin="anonymous">');
		res.write('</head>');
		res.write('<body>');

		res.write('<div class="container">');
		res.write('<h1>' + dirPath + '</h1>');
		res.write('<ul>');
		if (dirPath !== './') {
			res.write('<li><a href="../">..</a></li>');
		}

		files.sort().forEach(function (f) {
			var fPath = path.join(dirPath, f);

			res.write('<li>');
			res.write('<a href="/' + fPath + '">');
			if (fs.statSync(fPath).isDirectory()) {
				res.write('<span class="glyphicon glyphicon-folder-open" aria-hidden="true"></span> ');
				res.write(f);
			} else {
				res.write('<span class="glyphicon glyphicon-file" aria-hidden="true"></span> ');
				res.write(f);
			}
			res.write('</a>');
			res.write('</li>');
		});
		res.write('</ul>');
		res.write('</div>');
		res.write('</body>');
		res.write('</html>');
		res.end();
	});
}

function serveFile(filePath, res) {
	'use strict';

	fs.stat(filePath, function (err, stats) {
		if (err) {
			serve404(res);
			return;
		}
		console.log('serve %s', filePath);

		var mimeType = mime.lookup(filePath);

		fs.readFile(filePath, function (err, data) {
			if (err) {
				res.writeHead(404);
				res.end();
				console.log('error', err);
				return;
			}
			console.log('serving', filePath);

			res.writeHead(200, {
				'Content-Type': mimeType,
				'Last-Modified': stats.mtime,
				'Content-Length': data.length
			});
			res.write(data);
			res.end();
		});
	});
}

var port = process.env.PORT || 22334;
var host = process.env.HOST || 'localhost';

require('http').createServer(function (req, res) {
	'use strict';
	var urlObj = url.parse(req.url);
	var fn = path.normalize('.' + urlObj.pathname);

	fs.stat(fn, function (err, stats) {
		if (err) {
			console.log('fn', fn, err);

			serve404(res);
		} else {
			if (stats.isFile()) {
				serveFile(fn, res);
			} else if (stats.isDirectory()) {
				serveDir(fn, res);
			}
		}
	});
}).listen(port, host);
console.log('listening on: %s:%d', host, port);
	/jshint node:true/
	/eslint-env node/
	var fs = require('fs');
	var url = require('url');
	var mime = require('mime');
	var path = require('path');

	function serveError(code, res) {
	'use strict';
	res.writeHead(code);
	res.end(String(500));
	}

	function serve404(res) {
	'use strict';
	serveError(404, res);
	}

	function serve500(res) {
	'use strict';
	serveError(500, res);
	}

	function serveDir(dirPath, res) {
	'use strict';
	console.log('serve %s', dirPath);

	fs.readdir(dirPath, function (err, files) {
	if (err) {
	serve500(res);
	return;
	}

	res.setHeader('Content-Type', 'text/html');
	res.write('<!doctype html>');
	res.write('<html>');
	res.write('<head>');
	res.write('<title>' + dirPath + '</title>');
	res.write('<link rel="stylesheet" ' +
	'href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" ' +
	'integrity="sha512-dTfge/zgoMYpP7QbHy4gWMEGsbsdZeCXz7irItjcC3sPUFtf0kuFbDz/ixG7ArTxmDjLXDmezHubeNikyKGVyQ==" ' +
	'crossorigin="anonymous">');
	res.write('</head>');
	res.write('<body>');

	res.write('<div class="container">');
	res.write('<h1>' + dirPath + '</h1>');
	res.write('<ul>');
	if (dirPath !== './') {
	res.write('<li><a href="../">..</a></li>');
	}

	files.sort().forEach(function (f) {
	var fPath = path.join(dirPath, f);

	res.write('<li>');
	res.write('<a href="/' + fPath + '">');
	if (fs.statSync(fPath).isDirectory()) {
	res.write('<span class="glyphicon glyphicon-folder-open" aria-hidden="true"></span> ');
	res.write(f);
	} else {
	res.write('<span class="glyphicon glyphicon-file" aria-hidden="true"></span> ');
	res.write(f);
	}
	res.write('</a>');
	res.write('</li>');
	});
	res.write('</ul>');
	res.write('</div>');
	res.write('</body>');
	res.write('</html>');
	res.end();
	});
	}

	function serveFile(filePath, res) {
	'use strict';

	fs.stat(filePath, function (err, stats) {
	if (err) {
	serve404(res);
	return;
	}
	console.log('serve %s', filePath);

	var mimeType = mime.lookup(filePath);

	fs.readFile(filePath, function (err, data) {
	if (err) {
	res.writeHead(404);
	res.end();
	console.log('error', err);
	return;
	}
	console.log('serving', filePath);

	res.writeHead(200, {
	'Content-Type': mimeType,
	'Last-Modified': stats.mtime,
	'Content-Length': data.length
	});
	res.write(data);
	res.end();
	});
	});
	}

	var port = process.env.PORT \|\| 22334;
	var host = process.env.HOST \|\| 'localhost';

	require('http').createServer(function (req, res) {
	'use strict';
	var urlObj = url.parse(req.url);
	var fn = path.normalize('.' + urlObj.pathname);

	fs.stat(fn, function (err, stats) {
	if (err) {
	console.log('fn', fn, err);

	serve404(res);
	} else {
	if (stats.isFile()) {
	serveFile(fn, res);
	} else if (stats.isDirectory()) {
	serveDir(fn, res);
	}
	}
	});
	}).listen(port, host);
	console.log('listening on: %s:%d', host, port);