'use strict';
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var URL = require('url-parse');
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var debug = function() {};
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if (process.env.NODE_ENV !== 'production') {
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debug = require('debug')('sockjs-client:utils:url');
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}
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module.exports = {
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getOrigin: function(url) {
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if (!url) {
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return null;
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}
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var p = new URL(url);
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if (p.protocol === 'file:') {
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return null;
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}
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var port = p.port;
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if (!port) {
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port = (p.protocol === 'https:') ? '443' : '80';
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}
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return p.protocol + '//' + p.hostname + ':' + port;
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}
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, isOriginEqual: function(a, b) {
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var res = this.getOrigin(a) === this.getOrigin(b);
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debug('same', a, b, res);
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return res;
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}
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, isSchemeEqual: function(a, b) {
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return (a.split(':')[0] === b.split(':')[0]);
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}
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, addPath: function (url, path) {
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var qs = url.split('?');
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return qs[0] + path + (qs[1] ? '?' + qs[1] : '');
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}
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, addQuery: function (url, q) {
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return url + (url.indexOf('?') === -1 ? ('?' + q) : ('&' + q));
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}
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, isLoopbackAddr: function (addr) {
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return /^127\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr) || /^\[::1\]$/.test(addr);
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}
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};
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