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/**
* Myext smuggling policy to content script through url
*
* Copyright (C) 2021 Wojtek Kosior
*
* Dual-licensed under:
* - 0BSD license
* - GPLv3 or (at your option) any later version
*/
"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;
var storage;
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 settings = storage.get(TYPE_PREFIX.PAGE, url);
console.log("got", storage.get(TYPE_PREFIX.PAGE, url), "for", 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();
chrome.webRequest.onBeforeRequest.addListener(
redirect,
{
urls: ["<all_urls>"],
types: ["main_frame", "sub_frame"]
},
["blocking"]
);
}
window.start_policy_smuggler = start;
})();
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