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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";
/*
* Bug 1804445 - instagram login broken with dFPI enabled
*
* Instagram login with Facebook account requires Facebook to have the storage
* access under Instagram. This shim adds a request for storage access for
* Facebook when the user tries to log in with a Facebook account.
*/
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=1804445 for details.`
);
// Third-party origin we need to request storage access for.
const STORAGE_ACCESS_ORIGIN = "https://www.facebook.com";
document.documentElement.addEventListener(
"click",
e => {
const { target, isTrusted } = e;
if (!isTrusted) {
return;
}
const button = target.closest("button[type=button]");
if (!button) {
return;
}
const form = target.closest("#loginForm");
if (!form) {
return;
}
console.warn(
"Calling the Storage Access API on behalf of " + STORAGE_ACCESS_ORIGIN
);
button.disabled = true;
e.stopPropagation();
e.preventDefault();
document
.requestStorageAccessForOrigin(STORAGE_ACCESS_ORIGIN)
.then(() => {
button.disabled = false;
target.click();
})
.catch(() => {
button.disabled = false;
});
},
true
);
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