You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.0 KiB
46 lines
1.0 KiB
'use strict';
|
|
|
|
var parse = require('url-parse');
|
|
|
|
/**
|
|
* Transform an URL to a valid origin value.
|
|
*
|
|
* @param {String|Object} url URL to transform to it's origin.
|
|
* @returns {String} The origin.
|
|
* @api public
|
|
*/
|
|
function origin(url) {
|
|
if ('string' === typeof url) url = parse(url);
|
|
|
|
//
|
|
// 6.2. ASCII Serialization of an Origin
|
|
// http://tools.ietf.org/html/rfc6454#section-6.2
|
|
//
|
|
if (!url.protocol || !url.hostname) return 'null';
|
|
|
|
//
|
|
// 4. Origin of a URI
|
|
// http://tools.ietf.org/html/rfc6454#section-4
|
|
//
|
|
// States that url.scheme, host should be converted to lower case. This also
|
|
// makes it easier to match origins as everything is just lower case.
|
|
//
|
|
return (url.protocol +'//'+ url.host).toLowerCase();
|
|
}
|
|
|
|
/**
|
|
* Check if the origins are the same.
|
|
*
|
|
* @param {String} a URL or origin of a.
|
|
* @param {String} b URL or origin of b.
|
|
* @returns {Boolean}
|
|
* @api public
|
|
*/
|
|
origin.same = function same(a, b) {
|
|
return origin(a) === origin(b);
|
|
};
|
|
|
|
//
|
|
// Expose the origin
|
|
//
|
|
module.exports = origin;
|