/* 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";
/** * Blogger uses Google as the auth provider. The account panel uses a * third-party iframe of https://ogs.google.com, which requires first-party * storage access to authenticate. This shim calls requestStorageAccess on * behalf of the site when the user opens the account panel.
*/
console.warn(
`When logging in with Google, Firefox calls the Storage Access API on behalf of the site. See https://bugzilla.mozilla.org/show_bug.cgi?id=1777690 for details.`
);
// The storage access request below runs async so the panel won't open // immediately. Mitigate this UX issue by updating the clicked element's // style so the user gets some immediate feedback.
anchorEl.style.opacity = 0.5;
e.stopPropagation();
e.preventDefault();
document
.requestStorageAccessForOrigin(STORAGE_ACCESS_ORIGIN)
.then(() => { // Reload all iframes of ogs.google.com so the first-party cookies are // sent to the server. // The reload mechanism here is a bit of a hack, since we don't have // access to the content window of a cross-origin iframe.
document
.querySelectorAll("iframe[src^='https://ogs.google.com/']")
.forEach(frame => (frame.src += ""));
}) // Show the panel in both success and error state. When the user denies // the storage access prompt they will see an error message in the account // panel.
.finally(() => {
anchorEl.style.opacity = 1.0;
target.click();
});
}, true
);
Messung V0.5
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