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firefox/security/sandbox/common/SandboxUtils.sys.mjs
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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JavaScript

/* 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/. */
import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs";
export var SandboxUtils = {
/**
* Show a notification bar if user is running without unprivileged namespace
*
* @param {Window} aWindow
* The window where the notification will be displayed.
*/
maybeWarnAboutMissingUserNamespaces:
function SU_maybeWarnAboutMissingUserNamespaces(aWindow) {
if (AppConstants.platform !== "linux") {
return;
}
// This would cover Flatpak, Snap or any "Packaged App" (e.g., Debian package)
// Showing the notification on Flatpak would not be correct because of
// existing Flatpak isolation (see Bug 1882881). And for Snap and
// Debian packages it would be irrelevant as well.
const isPackagedApp = Services.sysinfo.getPropertyAsBool("isPackagedApp");
if (isPackagedApp) {
return;
}
const kSandboxUserNamespacesPref =
"security.sandbox.warn_unprivileged_namespaces";
const kSandboxUserNamespacesPrefValue = Services.prefs.getBoolPref(
kSandboxUserNamespacesPref
);
if (!kSandboxUserNamespacesPrefValue) {
return;
}
const userNamespaces =
Services.sysinfo.getPropertyAsBool("hasUserNamespaces");
if (userNamespaces) {
return;
}
let box = aWindow.gNotificationBox;
const mozXulElement = box.stack.ownerGlobal.MozXULElement;
mozXulElement.insertFTLIfNeeded("toolkit/updates/elevation.ftl");
let buttons = [
{
supportPage: "linux-security-warning",
"l10n-id": "sandbox-unprivileged-namespaces-howtofix",
},
{
"l10n-id": "sandbox-unprivileged-namespaces-dismiss-button",
callback: () => {
Services.prefs.setBoolPref(kSandboxUserNamespacesPref, false);
},
},
];
// Now actually create the notification
box.appendNotification(
"sandbox-unprivileged-namespaces",
{
label: { "l10n-id": "sandbox-missing-unprivileged-namespaces" },
priority: box.PRIORITY_WARNING_HIGH,
},
buttons
);
},
};