Connect

• String root
• Object options
• returns Function

Source

exports = module.exports = function directory(root, options){
  options = options || {};

  // root required
  if (!root) throw new Error('directory() root path required');
  var hidden = options.hidden
    , icons = options.icons
    , filter = options.filter
    , root = normalize(root);

  return function directory(req, res, next) {
    if ('GET' != req.method && 'HEAD' != req.method) return next();

    var accept = req.headers.accept || 'text/plain'
      , url = parse(req.url)
      , dir = decodeURIComponent(url.pathname)
      , path = normalize(join(root, dir))
      , originalUrl = parse(req.originalUrl)
      , originalDir = decodeURIComponent(originalUrl.pathname)
      , showUp = path != root && path != root + '/';

    // null byte(s), bad request
    if (~path.indexOf('\0')) return next(utils.error(400));

    // malicious path, forbidden
    if (0 != path.indexOf(root)) return next(utils.error(403));

    // check if we have a directory
    fs.stat(path, function(err, stat){
      if (err) return 'ENOENT' == err.code
        ? next()
        : next(err);

      if (!stat.isDirectory()) return next();

      // fetch files
      fs.readdir(path, function(err, files){
        if (err) return next(err);
        if (!hidden) files = removeHidden(files);
        if (filter) files = files.filter(filter);
        files.sort();

        // content-negotiation
        for (var key in exports) {
          if (~accept.indexOf(key) || ~accept.indexOf('*

exports.html()

    // not acceptable
    next(utils.error(406));
  });
});

Source

exports.html = function(req, res, files, next, dir, showUp, icons){
  fs.readFile(__dirname + '/../public/directory.html', 'utf8', function(err, str){
    if (err) return next(err);
    fs.readFile(__dirname + '/../public/style.css', 'utf8', function(err, style){
      if (err) return next(err);
      if (showUp) files.unshift('..');
      str = str
        .replace('{style}', style)
        .replace('{files}', html(files, dir, icons))
        .replace('{directory}', dir)
        .replace('{linked-path}', htmlPath(dir));
      res.setHeader('Content-Type', 'text/html');
      res.setHeader('Content-Length', str.length);
      res.end(str);
    });
  });
};

exports.json()

Source

exports.json = function(req, res, files){
  files = JSON.stringify(files);
  res.setHeader('Content-Type', 'application/json');
  res.setHeader('Content-Length', files.length);
  res.end(files);
};

exports.plain()

Source

exports.plain = function(req, res, files){
  files = files.join('\n') + '\n';
  res.setHeader('Content-Type', 'text/plain');
  res.setHeader('Content-Length', files.length);
  res.end(files);
};

htmlPath()

Source

function htmlPath(dir) {
  var curr = [];
  return dir.split('/').map(function(part){
    curr.push(part);
    return '' + part + '';
  }).join(' / ');
}

html()

Source

function html(files, dir, useIcons) {
  return '
' + files.map(function(file){
    var icon = ''
      , classes = [];

    if (useIcons && '..' != file) {
      icon = icons[extname(file)] || icons.default;
      icon = '';
      classes.push('icon');
    }

    return '
'
      + icon + file + '
';

  }).join('\n') + '
';
}

load()

• String icon
• returns String

Source

function load(icon) {
  if (cache[icon]) return cache[icon];
  return cache[icon] = fs.readFileSync(__dirname + '/../public/icons/' + icon, 'base64');
}

removeHidden()

• Array files
• returns Array

Source

function removeHidden(files) {
  return files.filter(function(file){
    return '.' != file[0];
  });
}

icons

Source

var icons = {
    '.js': 'page_white_code_red.png'
  , '.c': 'page_white_c.png'
  , '.h': 'page_white_h.png'
  , '.cc': 'page_white_cplusplus.png'
  , '.php': 'page_white_php.png'
  , '.rb': 'page_white_ruby.png'
  , '.cpp': 'page_white_cplusplus.png'
  , '.swf': 'page_white_flash.png'
  , '.pdf': 'page_white_acrobat.png'
  , 'default': 'page_white.png'
};