fix: use URL API instead of DOM to fix a potential vulnerability warn…

…ing; (axios#6714)

lib/helpers/isURLSameOrigin.js

@@ -1,67 +1,14 @@
-'use strict';
-
-import utils from './../utils.js';
 import platform from '../platform/index.js';
 
-export default platform.hasStandardBrowserEnv ?
-
-// Standard browser envs have full support of the APIs needed to test
-// whether the request URL is of the same origin as current location.
-  (function standardBrowserEnv() {
-    const msie = platform.navigator && /(msie|trident)/i.test(platform.navigator.userAgent);
-    const urlParsingNode = document.createElement('a');
-    let originURL;
-
-    /**
-    * Parse a URL to discover its components
-    *
-    * @param {String} url The URL to be parsed
-    * @returns {Object}
-    */
-    function resolveURL(url) {
-      let href = url;
-
-      if (msie) {
-        // IE needs attribute set twice to normalize properties
-        urlParsingNode.setAttribute('href', href);
-        href = urlParsingNode.href;
-      }
-
-      urlParsingNode.setAttribute('href', href);
-
-      // urlParsingNode provides the UrlUtils interface - http://url.spec.whatwg.org/#urlutils
-      return {
-        href: urlParsingNode.href,
-        protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',
-        host: urlParsingNode.host,
-        search: urlParsingNode.search ? urlParsingNode.search.replace(/^\?/, '') : '',
-        hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',
-        hostname: urlParsingNode.hostname,
-        port: urlParsingNode.port,
-        pathname: (urlParsingNode.pathname.charAt(0) === '/') ?
-          urlParsingNode.pathname :
-          '/' + urlParsingNode.pathname
-      };
-    }
-
-    originURL = resolveURL(window.location.href);
-
-    /**
-    * Determine if a URL shares the same origin as the current location
-    *
-    * @param {String} requestURL The URL to test
-    * @returns {boolean} True if URL shares the same origin, otherwise false
-    */
-    return function isURLSameOrigin(requestURL) {
-      const parsed = (utils.isString(requestURL)) ? resolveURL(requestURL) : requestURL;
-      return (parsed.protocol === originURL.protocol &&
-          parsed.host === originURL.host);
-    };
-  })() :
-
-  // Non standard browser envs (web workers, react-native) lack needed support.
-  (function nonStandardBrowserEnv() {
-    return function isURLSameOrigin() {
-      return true;
-    };
-  })();
+export default platform.hasStandardBrowserEnv ? ((origin, isMSIE) => (url) => {
+  url = new URL(url, platform.origin);
+
+  return (
+    origin.protocol === url.protocol &&
+    origin.host === url.host &&
+    (isMSIE || origin.port === url.port)
+  );
+})(
+  new URL(platform.origin),
+  platform.navigator && /(msie|trident)/i.test(platform.navigator.userAgent)
+) : () => true;