lime-static/index.js

Static file server for node.js REST servers using OWIN-JS framework for Project limerun

/*
 * Copyright 2015 Domabo
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Module dependencies.
 */
var Promise = require('bluebird');
var send = require('./limesend.js');

/**
 * Expose `serve()`.
 */

module.exports = serve;

/**
 * Serve static files from `root`.
 *
 * @param {String} root
 * @param {Object} [opts]
 * @return {AppFunc}
 * @api public
 */

function serve(root, opts) {
  opts = opts || {};

  // options
  opts.root = root;
  opts.index = opts.index || 'index.html';

  return function owinStatic(next){
      var owin = this;
     // response is already handled
       if (owin.response.statusCode != null) return;

      return send(owin, owin.request.path, opts).then(function filesendContinuation(){
                                                      if (owin.response.statusCode == null)
                                                      {
                                                      owin = null;
                                                      return next()
                                                      }
                                                      owin = null;
                                                      });
     
  }
}