privacy-redirect/background.js

104 lines
3.0 KiB
JavaScript

'use strict';
const nitterDefault = 'https://nitter.net';
const twitterRegex = /((www|mobile)\.)?twitter\.com/;
const invidiousDefault = 'https://invidio.us';
const youtubeRegex = /((www|m)\.)?youtube(-nocookie)?\.com/;
const bibliogramDefault = 'https://bibliogram.art';
const instagramRegex = /((www|about|help)\.)?instagram\.com/;
const instagramPathsRegex = /(\/a|\/admin|\/api|\/favicon.ico|\/static|\/imageproxy|\/p|\/u|\/developer|\/about|\/legal|\/explore|\/director)/;
let nitterInstance;
let invidiousInstance;
let bibliogramInstance;
let disableNitter;
let disableInvidious;
let disableBibliogram;
chrome.storage.sync.get(
[
'nitterInstance',
'invidiousInstance',
'bibliogramInstance',
'disableNitter',
'disableInvidious',
'disableBibliogram'
],
result => {
disableNitter = result.disableNitter;
disableInvidious = result.disableInvidious;
disableBibliogram = result.disableBibliogram;
nitterInstance = result.nitterInstance || nitterDefault;
invidiousInstance = result.invidiousInstance || invidiousDefault;
bibliogramInstance = result.bibliogramInstance || bibliogramDefault;
}
);
chrome.storage.onChanged.addListener(changes => {
if ('nitterInstance' in changes) {
nitterInstance = changes.nitterInstance.newValue || nitterDefault;
}
if ('invidiousInstance' in changes) {
invidiousInstance = changes.invidiousInstance.newValue || invidiousDefault;
}
if ('bibliogramInstance' in changes) {
bibliogramInstance = changes.bibliogramInstance.newValue || bibliogramDefault;
}
if ('disableNitter' in changes) {
disableNitter = changes.disableNitter.newValue;
}
if ('disableInvidious' in changes) {
disableInvidious = changes.disableInvidious.newValue;
}
if ('disableBibliogram' in changes) {
disableBibliogram = changes.disableBibliogram.newValue;
}
});
function redirectBibliogram(url) {
if (url.pathname === '/' || url.pathname.match(instagramPathsRegex)) {
return bibliogramInstance + url.pathname;
} else {
// Redirect user profile requests to '/u/...'
return `${bibliogramInstance}/u${url.pathname}`;
}
}
chrome.webRequest.onBeforeRequest.addListener(
details => {
const url = new URL(details.url);
let redirect;
if (url.host.match(youtubeRegex)) {
if (!disableInvidious) {
redirect = {
redirectUrl: invidiousInstance + url.pathname
};
}
} else if (url.host.match(twitterRegex)) {
if (!disableNitter) {
redirect = {
redirectUrl: nitterInstance + url.pathname
};
}
} else if (url.host.match(instagramRegex)) {
if (!disableBibliogram) {
redirect = {
redirectUrl: redirectBibliogram(url)
};
}
}
if (redirect) {
console.log(
'Redirecting', `"${url.host}"`, '=>', `"${redirect.redirectUrl}"`
);
console.log('Details', details);
}
return redirect;
},
{
urls: ["<all_urls>"],
types: ['main_frame', 'sub_frame',]
},
['blocking']
);