servedir.js | |
|---|---|
| servedir HTTP Server http://github.com/rem/servedir | |
| Copyright 2011, Remy Sharp http://remysharp.com | |
| Convenience aliases. | var createServer = require('http').createServer, parse = require('url').parse, path = require('path'), fs = require('fs'), types, |
| Matches control characters in URLs. | escapable = /[\x00-\x1f\x7f"'&?$\x20+,:;=@<>#%{}|\\\^~\[\]`]/g, |
| Escape sequences and entities for control characters. | escapes = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
'\'': '''
}, |
| The | servedir = module.exports = function(root, port) {
if (typeof root != 'string') root = servedir.defaultRoot;
if (typeof port != 'number') port = servedir.defaultPort; |
| Create a new HTTP server. | var server = createServer(function(req, res) { |
| Resolve the path to the requested file or folder. | var pathname = parse(decodeURIComponent(req.url)).pathname, file = path.join(root, pathname);
path.exists(file, function(exists) {
if (!exists) {
res.writeHead(404, {'Content-Type': 'text/plain'});
res.end('The file ' + file + ' was not found.');
} else { |
| Serve files and directories. | fs.stat(file, function(err, stats) {
if (err) { |
| Internal server error; avoid throwing an exception. | res.writeHeader(500, {'Content-Type': 'text/plain'});
res.end('An internal server error occurred: ' + err);
} else if (stats.isFile()) { |
| Read and serve files. | fs.readFile(file, 'binary', function(err, contents) {
if (err) { |
| Internal server error; avoid throwing an exception. | res.writeHeader(500, {'Content-Type': 'text/plain'});
res.write('An internal server error occurred: ' + err);
} else { |
| Set the correct MIME type using the extension. | res.writeHead(200, {'Content-Type': types[path.extname(file).slice(1)] || servedir.defaultType});
res.write(contents, 'binary');
} |
| Close the connection. | res.end();
});
} else { |
| Automatically append a trailing slash for directories. | if (pathname.charAt(pathname.length - 1) != '/') pathname += '/';
fs.readdir(file, function(err, files) {
if (err) {
res.writeHeader(500, {'Content-Type': 'text/plain'});
res.write('An internal server error occurred: ' + err);
} else { |
| Create a basic directory listing. | files = files.map(function(name) { |
| URL-encode the path to each file or directory. | return '<a href="' + (pathname + name).replace(escapable, function(match) { |
| Cache escape sequences not already in the escapes hash. | return escapes[match] || (escapes[match] = '%' + match.charCodeAt(0).toString(16));
}) + '">' + name + '</a>';
}); |
| Add a link to the root directory. | if (pathname != '/') files.unshift('<a href="..">..</a>');
res.writeHead(200, {'Content-Type': 'text/html'});
res.write('<!DOCTYPE html><meta charset=utf-8><title>[dir] ' + file + '</title><ul><li>' + files.join('<li>') + '</ul>');
}
res.end();
});
}
});
}
});
});
server.listen(port);
return server;
}; |
| The current version of | servedir.version = '0.1.5'; |
| The default MIME type, root directory, and port. | servedir.defaultType = 'application/octet-stream';
servedir.defaultRoot = '.';
servedir.defaultPort = 8000; |
| Common MIME types. | servedir.types = types = {
'aiff': 'audio/x-aiff',
'appcache': 'text/cache-manifest',
'atom': 'application/atom+xml',
'bmp': 'image/bmp',
'crx': 'application/x-chrome-extension',
'css': 'text/css',
'eot': 'application/vnd.ms-fontobject',
'gif': 'image/gif',
'htc': 'text/x-component',
'html': 'text/html',
'ico': 'image/vnd.microsoft.icon',
'ics': 'text/calendar',
'jpeg': 'image/jpeg',
'js': 'text/javascript',
'json': 'application/json',
'mathml': 'application/mathml+xml',
'midi': 'audio/midi',
'mov': 'video/quicktime',
'mp3': 'audio/mpeg',
'mp4': 'video/mp4',
'mpeg': 'video/mpeg',
'ogg': 'video/ogg',
'otf': 'font/opentype',
'pdf': 'application/pdf',
'png': 'image/png',
'rtf': 'application/rtf',
'sh': 'application/x-sh',
'svg': 'image/svg+xml',
'swf': 'application/x-shockwave-flash',
'tar': 'application/x-tar',
'tiff': 'image/tiff',
'ttf': 'font/truetype',
'txt': 'text/plain',
'wav': 'audio/x-wav',
'webm': 'video/webm',
'webp': 'image/webp',
'woff': 'font/woff',
'xhtml': 'application/xhtml+xml',
'xml': 'text/xml',
'xsl': 'application/xml',
'xslt': 'application/xslt+xml',
'zip': 'application/zip'
}; |
| MIME type aliases for different extensions. | types.aif = types.aiff;
types.htm = types.html;
types.jpe = types.jpg = types.jpeg;
types.jsonp = types.js;
types.manifest = types.appcache;
types.mid = types.midi;
types.mpg = types.mpeg;
types.ogv = types.ogg;
types.rb = types.txt;
types.svgz = types.svg;
types.tif = types.tiff;
types.xht = types.xhtml;
|