common/gen_unique.js


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/**
* Myext generating unique, per-site hash
*
* Copyright (C) 2021 Wojtek Kosior
*
* Dual-licensed under:
*   - 0BSD license
*   - GPLv3 or (at your option) any later version
*/

"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;
})();