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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* globals exportFunction */
"use strict";
/**
* Kinja powered blogs rely on storage access to https://kinja.com to enable
* oauth with external providers. For dFPI, sites need to use the Storage Access
* API to gain first party storage access. This shim calls requestStorageAccess
* on behalf of the site when a user wants to log in via oauth.
*/
// Third-party origin we need to request storage access for.
const STORAGE_ACCESS_ORIGIN = "https://kinja.com";
// Prefix of the path opened in a new window when users click the oauth login
// buttons.
const OAUTH_PATH_PREFIX = "/oauthlogin?provider=";
console.warn(
`When using oauth, Firefox calls the Storage Access API on behalf of the site. See https://bugzilla.mozilla.org/show_bug.cgi?id=1656171 for details.`
);
// Overwrite the window.open method so we can detect oauth related popups.
const origOpen = window.wrappedJSObject.open;
Object.defineProperty(window.wrappedJSObject, "open", {
value: exportFunction((url, ...args) => {
// Filter oauth popups.
if (!url.startsWith(OAUTH_PATH_PREFIX)) {
return origOpen(url, ...args);
}
// Request storage access for Kinja.
document.requestStorageAccessForOrigin(STORAGE_ACCESS_ORIGIN).then(() => {
origOpen(url, ...args);
});
// We don't have the window object yet which window.open returns, since the
// sign-in flow is dependent on the async storage access request. This isn't
// a problem as long as the website does not consume it.
return null;
}, window),
});
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