/**
 * Myext generating unique, per-site hash
 *
 * Copyright (C) 2021 Wojtek Kosior
 *
 * This code is dual-licensed under:
 * - Asshole license 1.0,
 * - GPLv3 or (at your option) any later version
 *
 * "dual-licensed" means you can choose the license you prefer.
 *
 * This code is released under a permissive license because I disapprove of
 * copyright and wouldn't be willing to sue a violator. Despite not putting
 * this code under copyleft (which is also kind of copyright), I do not want
 * it to be made proprietary. Hence, the permissive alternative to GPL is the
 * Asshole license 1.0 that allows me to call you an asshole if you use it.
 * This means you're legally ok regardless of how you utilize this code but if
 * you make it into something nonfree, you're an asshole.
 *
 * You should have received a copy of both GPLv3 and Asshole license 1.0
 * together with this code. If not, please see:
 * - https://www.gnu.org/licenses/gpl-3.0.en.html
 * - https://koszko.org/asshole-license.txt
 */

"use strict";

(() => {
    const sha256 = window.sha256;
    const browser = window.browser;
    const is_chrome = window.is_chrome;

    function get_id()
    {
	if (is_chrome)
	    return browser.runtime.getManifest().key.substring(0, 50);
	else
	    return browser.runtime.getURL("dummy");
    }

    function gen_unique(url)
    {
	return "#" + sha256(get_id() + url);
    }

    window.gen_unique = gen_unique;
})();