diet-cross-origin

A CORS module for diet.js that automatically sends CORS headers to the browser

##Installation

$ npm install diet-cross-origin

##Usage

var diet        = require("diet");
var crossOrigin = require("diet-cross-origin");

var app = diet();

var opts = {
	defaults: {
    	origin: "www.example.com"
    }
};

app.header(crossOrigin(opts));

app.listen(80);

##Documentation diet-cross-origin contains a map object which defines the values sent in header for all requests, these options must be passed in diet-cross-origin module as object param

*defaults.allow-origin [String] - Optional (default: )

Origin from where CORS can accept calls in the server

---

defaults.max-age [Integer] - Optional (default: 36000)

Time on which prefligh validation CORS will cache in browser, value is set in deltatime

---

defaults.allow-headers [Array | String] - Optional (default: null)

Custom headers to be accepted on request upon preflight validation

---

defaults.expose-headers [Array | String] - Optional (default: null)

Custom headers that the server will have as whitelist on which the browser is allowed to access

---

defaults.allow-credentials [Boolean] - Optional (default: false)

Whether or not the response to the request can be exposed

---

##Example The module will automatically detect which methods are registrered on the request route and add other headers specified on module instance

Request
OPTIONS: www.example.com/users

Response
HTTP/1.1 204 No Content
Access-Control-Allow-Origin: http://www.example.com
Access-Control-Allow-Methods: GET, POST, OPTIONS
Access-Control-Max-Age: 360000

##Credits

Oscar Reyes [Nosthertus]

##License

MIT