privacy-redirect/background.js

67 lines
1.9 KiB
JavaScript

'use strict';
const nitterDefault = 'https://nitter.net';
const invidiousDefault = 'https://invidio.us';
const youtubeRegex = /((www|m)\.)?youtube(-nocookie)?\.com/;
const twitterRegex = /((www|mobile)\.)?twitter\.com/;
const pathRegex = /^https?:\/\/[^\/]+([\S\s]*)/;
let nitterInstance;
let invidiousInstance;
let disableNitter;
let disableInvidious;
chrome.storage.sync.get(
['disableNitter', 'disableInvidious', 'nitterInstance', 'invidiousInstance'],
result => {
disableNitter = result.disableNitter;
disableInvidious = result.disableInvidious;
nitterInstance = result.nitterInstance || nitterDefault;
invidiousInstance = result.invidiousInstance || invidiousDefault;
}
);
chrome.storage.onChanged.addListener(changes => {
if ('nitterInstance' in changes) {
nitterInstance = changes.nitterInstance.newValue || nitterDefault;
}
if ('invidiousInstance' in changes) {
invidiousInstance = changes.invidiousInstance.newValue || invidiousDefault;
}
if ('disableNitter' in changes) {
disableNitter = changes.disableNitter.newValue;
}
if ('disableInvidious' in changes) {
disableInvidious = changes.disableInvidious.newValue;
}
});
chrome.webRequest.onBeforeRequest.addListener(
details => {
let redirect;
if (details.url.match(youtubeRegex)) {
if (!disableInvidious) {
redirect = {
redirectUrl: invidiousInstance + details.url.match(pathRegex)[1]
};
}
} else if (details.url.match(twitterRegex)) {
if (!disableNitter) {
redirect = {
redirectUrl: nitterInstance + details.url.match(pathRegex)[1]
};
}
}
if (redirect) {
console.log('Redirecting', `"${details.url}"`, '=>', `"${redirect.redirectUrl}"`);
console.log('Details', details);
}
return redirect;
},
{
urls: ["<all_urls>"],
types: ['main_frame', 'sub_frame',]
},
['blocking']
);