404 results from the CPAN

App-EventStreamr
  req.url = this.parseUrl_(req.url);
  var handler = this.handlers[req.method];
  if (!handler) {
    res.writeHead(501);
    res.end();
  } else {
    handler.call(this, req, res);
  }
};

/**
 * Handles static content.
 */
function StaticServlet() {}

StaticServlet.MimeMap = {
  'txt': 'text/plain',
  'html': 'text/html',
  'css': 'text/css',
  'xml': 'application/xml',
  'json': 'application/json',
  'js': 'application/javascript',
  'jpg': 'image/jpeg',
  'jpeg': 'image/jpeg',
  'gif': 'image/gif',
  'png': 'image/png',
Â  'svg': 'image/svg+xml'
};

StaticServlet.prototype.handleRequest = function(req, res) {
  var self = this;
  var path = ('./' + req.url.pathname).replace('//','/').replace(/%(..)/g, function(match, hex){
    return String.fromCharCode(parseInt(hex, 16));
  });
  var parts = path.split('/');
  if (parts[parts.length-1].charAt(0) === '.')
    return self.sendForbidden_(req, res, path);
  fs.stat(path, function(err, stat) {
    if (err)
      return self.sendMissing_(req, res, path);
    if (stat.isDirectory())
      return self.sendDirectory_(req, res, path);
    return self.sendFile_(req, res, path);
  });
}

StaticServlet.prototype.sendError_ = function(req, res, error) {
  res.writeHead(500, {
      'Content-Type': 'text/html'
  });
  res.write('<!doctype html>\n');
  res.write('<title>Internal Server Error</title>\n');
  res.write('<h1>Internal Server Error</h1>');
  res.write('<pre>' + escapeHtml(util.inspect(error)) + '</pre>');
  util.puts('500 Internal Server Error');
  util.puts(util.inspect(error));
};

StaticServlet.prototype.sendMissing_ = function(req, res, path) {
  path = path.substring(1);
  res.writeHead(404, {
      'Content-Type': 'text/html'
  });
  res.write('<!doctype html>\n');
  res.write('<title>404 Not Found</title>\n');
  res.write('<h1>Not Found</h1>');
  res.write(
    '<p>The requested URL ' +
    escapeHtml(path) +
    ' was not found on this server.</p>'
  );
  res.end();
  util.puts('404 Not Found: ' + path);
};

StaticServlet.prototype.sendForbidden_ = function(req, res, path) {
  path = path.substring(1);
  res.writeHead(403, {
      'Content-Type': 'text/html'
  });
  res.write('<!doctype html>\n');
  res.write('<title>403 Forbidden</title>\n');
  res.write('<h1>Forbidden</h1>');
  res.write(
    '<p>You do not have permission to access ' +
    escapeHtml(path) + ' on this server.</p>'
  );
  res.end();
  util.puts('403 Forbidden: ' + path);
};

StaticServlet.prototype.sendRedirect_ = function(req, res, redirectUrl) {
  res.writeHead(301, {
      'Content-Type': 'text/html',
      'Location': redirectUrl
  });
  res.write('<!doctype html>\n');
  res.write('<title>301 Moved Permanently</title>\n');
  res.write('<h1>Moved Permanently</h1>');
  res.write(
    '<p>The document has moved <a href="' +
    redirectUrl +
    '">here</a>.</p>'
  );
  res.end();
  util.puts('301 Moved Permanently: ' + redirectUrl);
};

StaticServlet.prototype.sendFile_ = function(req, res, path) {
  var self = this;
  var file = fs.createReadStream(path);
  res.writeHead(200, {
    'Content-Type': StaticServlet.
      MimeMap[path.split('.').pop()] || 'text/plain'
  });
  if (req.method === 'HEAD') {
    res.end();
  } else {
    file.on('data', res.write.bind(res));
    file.on('close', function() {
      res.end();
    });
    file.on('error', function(error) {
      self.sendError_(req, res, error);
    });
  }
};

StaticServlet.prototype.sendDirectory_ = function(req, res, path) {
  var self = this;
  if (path.match(/[^\/]$/)) {
    req.url.pathname += '/';
    var redirectUrl = url.format(url.parse(url.format(req.url)));
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