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/**
* Myext smuggling policy to content script through url
*
* 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 TYPE_PREFIX = window.TYPE_PREFIX;
const get_storage = window.get_storage;
const browser = window.browser;
const url_item = window.url_item;
const gen_unique = window.gen_unique;
const get_query_best = window.get_query_best;
var storage;
var query_best;
function redirect(request)
{
let url_re = /^([^#]*)((#[^#]*)(#.*)?)?$/;
let match = url_re.exec(request.url);
let base_url = match[1];
let first_target = match[3];
let second_target = match[4];
let url = url_item(request.url);
let unique = gen_unique(url);
if (first_target === unique) {
console.log(["not redirecting"]);
return {cancel : false};
}
let [pattern, settings] = query_best(url);
if (settings === undefined || !settings.allow)
return {cancel : false};
second_target = (first_target || "") + (second_target || "");
console.log(["redirecting", request.url,
(base_url + unique + second_target)]);
return {
redirectUrl : (base_url + unique + second_target)
};
}
async function start() {
storage = await get_storage();
query_best = await get_query_best();
chrome.webRequest.onBeforeRequest.addListener(
redirect,
{
urls: ["<all_urls>"],
types: ["main_frame", "sub_frame"]
},
["blocking"]
);
}
window.start_policy_smuggler = start;
})();
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