Function urlIsAllowedOriginFactory

test/angular/1.7/angular.js:21785–21802

* Create a function that can check a URL's origin against a list of allowed/whitelisted origins. * The current location's origin is implicitly trusted. * * @param {string[]} whitelistedOriginUrls - A list of URLs (strings), whose origins are trusted. * * @returns {Function} - A function that re

(whitelistedOriginUrls)

 *     whether it is of an allowed origin.
 */
function urlIsAllowedOriginFactory(whitelistedOriginUrls) {
  var parsedAllowedOriginUrls = [originUrl].concat(whitelistedOriginUrls.map(urlResolve));

  /**
   * Check whether the specified URL (string or parsed URL object) has an origin that is allowed
   * based on a list of whitelisted-origin URLs. The current location's origin is implicitly
   * trusted.
   *
   * @param {string|Object} requestUrl - The URL to be checked (provided as a string that will be
   *     resolved or a parsed URL object).
   *
   * @returns {boolean} - Whether the specified URL is of an allowed origin.
   */
  return function urlIsAllowedOrigin(requestUrl) {
    var parsedUrl = urlResolve(requestUrl);
    return parsedAllowedOriginUrls.some(urlsAreSameOrigin.bind(null, parsedUrl));
  };
}

/**
 * Determine if two URLs share the same origin.