site.js

var router = require('./router');
var ejs = require('ejs');
var ErrorPage = require('error-page');
var Templar = require('templar');
var templarOptions = { engine: ejs, folder: './templates' };
var StringDecoder = require('string_decoder').StringDecoder;
var qs = require('querystring');

var site = function(req, res) {
  res.error = ErrorPage(req, res, {});
  res.template = Templar(req, res, templarOptions);
  var route = router.match(req.url);
  if (!route) return res.error(404);
  Object.keys(route).forEach(function(k) { req[k] = route[k]; });
  route.fn(req, res);
  // now check for anything added afterwards.
  if (typeof req.maxLen === 'number') {
    var cl = req.headers['content-length']
    res.setHeader('max-length', ''+req.maxLen)
    if (!cl) return res.error(411) // length required.
    if (cl > req.maxLen) return res.error(413) // too long.
  }

  if (req.listeners('json').length) {
    if (!req.headers['content-type'].match(/\/(x-)?json$/)) {
      return res.error(415)
    }
    req.on('body', function (b) {
      try {
        var j = JSON.parse(b)
      } catch (e) {
        e.statusCode = 400
        return res.error(e)
      }
      req.emit('json', j)
    })
  }

  if (req.listeners('form').length) {
    console.log(req.headers['content-type']);
    // XXX Add support for formidable uploading, as well
    // if (req.headers['content-type'] !==
        //'application/x-www-form-urlencoded') {
      //return res.error(415)
    //}
    req.on('body', function (data) {
      req.emit('form', qs.parse(data))
    })
  }

  if (req.listeners('body').length) {
    var b = ''
    , d = new StringDecoder
    req.on('data', function (c) {
      b += d.write(c)
    })
    req.on('end', function () {
      req.emit('body', b)
    })
  }
};

module.exports = site;