mozilla-central/browser/extensions/webcompat/shims/stackoverflow-login.js (file symbol)

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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/. */
"use strict";
console.warn(
`When logging in, Firefox calls the Storage Access API on behalf of the site. See https://bugzilla.mozilla.org/show_bug.cgi?id=1949491 for details.`
);
const STORAGE_ACCESS_ORIGIN = "https://stackexchange.com";
const STACKOVERFLOW_LOGIN_HERF_PREFIX = "https://stackoverflow.com/users/login";
const STACKOVERFLOW_SIGNUP_HERF_PREFIX =
document.documentElement.addEventListener(
"click",
e => {
const { target, isTrusted } = e;
if (!isTrusted) {
return;
}
// Find the click event on button elements.
const button = target.closest("a.s-btn");
if (!button) {
return;
}
// Only request storage access for login/signup buttons.
if (
!button.href.startsWith(STACKOVERFLOW_LOGIN_HERF_PREFIX) &&
!button.href.startsWith(STACKOVERFLOW_SIGNUP_HERF_PREFIX)
) {
return;
}
console.warn(
"Calling the Storage Access API on behalf of " + STORAGE_ACCESS_ORIGIN
);
// Disable the button to prevent it from being clicked again.
button.style.pointerEvents = "none";
e.stopPropagation();
e.preventDefault();
document
.requestStorageAccessForOrigin(STORAGE_ACCESS_ORIGIN)
.finally(() => {
// Re-enable the button and proceed with the login/signup flow.
button.style.pointerEvents = "";
button.click();
});
},
true
);