libredirect/assets/javascript/remove-twitter-sw.js

93 lines
2.4 KiB
JavaScript

"use strict";
const nitterInstances = [
"https://nitter.net",
"https://nitter.snopyta.org",
"https://nitter.42l.fr",
"https://nitter.nixnet.services",
"https://nitter.13ad.de",
"https://nitter.pussthecat.org",
"https://nitter.mastodont.cat",
"https://nitter",
"https://nitter.tedomum.net",
"https://nitter.cattube.org",
"https://nitter.fdn.fr",
"https://nitter.1d4.us",
"https://nitter.kavin.rocks",
"https://nitter.unixfox.eu",
];
let disableNitter;
let nitterInstance;
let redirectBypassFlag;
let exceptions;
window.browser = window.browser || window.chrome;
function getRandomInstance() {
return nitterInstances[~~(nitterInstances.length * Math.random())];
}
function isNotException(url) {
return !exceptions.some((regex) => regex.test(url.href));
}
function shouldRedirect(url) {
return (
!redirectBypassFlag &&
isNotException(url) &&
!disableNitter &&
url.host !== nitterInstance &&
!url.pathname.includes("/home")
);
}
function redirectTwitter(url) {
if (url.host.split(".")[0] === "pbs") {
return `${nitterInstance}/pic/${encodeURIComponent(url.href)}`;
} else if (url.host.split(".")[0] === "video") {
return `${nitterInstance}/gif/${encodeURIComponent(url.href)}`;
} else {
return `${nitterInstance}${url.pathname}${url.search}`;
}
}
browser.storage.sync.get(
[
"nitterInstance",
"disableNitter",
"removeTwitterSW",
"redirectBypassFlag",
"exceptions",
],
(result) => {
redirectBypassFlag = result.redirectBypassFlag;
browser.storage.sync.set({
redirectBypassFlag: false,
});
if (!result.removeTwitterSW) {
disableNitter = result.disableNitter;
nitterInstance = result.nitterInstance || getRandomInstance();
exceptions = result.exceptions
? result.exceptions.map((e) => {
return new RegExp(e);
})
: [];
navigator.serviceWorker.getRegistrations().then((registrations) => {
for (let registration of registrations) {
if (registration.scope === "https://twitter.com/") {
registration.unregister();
console.log("Unregistered Twitter SW", registration);
}
}
});
const url = new URL(window.location);
if (shouldRedirect(url)) {
const redirect = redirectTwitter(url);
console.info("Redirecting", `"${url.href}"`, "=>", `"${redirect}"`);
window.location = redirect;
}
}
}
);