fune/browser/components/newtab/content-src/asrouter/template-utils.js

22 lines
605 B
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/. */
export function safeURI(url) {
if (!url) {
return "";
}
const { protocol } = new URL(url);
const isAllowed = [
"http:",
"https:",
"data:",
"resource:",
"chrome:",
].includes(protocol);
if (!isAllowed) {
// eslint-disable-next-line no-console
console.warn(`The protocol ${protocol} is not allowed for template URLs.`);
}
return isAllowed ? url : "";
}