173 lines
5.3 KiB
JavaScript
173 lines
5.3 KiB
JavaScript
'use strict';
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const invidiousDefault = 'https://invidio.us';
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const youtubeRegex = /((www|m)\.)?youtube|ytimg(-nocookie)?\.com/;
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const nitterDefault = 'https://nitter.net';
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const twitterRegex = /((www|mobile)\.)?twitter\.com/;
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const bibliogramDefault = 'https://bibliogram.art';
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const instagramRegex = /((www|about|help)\.)?instagram\.com/;
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const instagramPathsRegex = /(\/a|\/admin|\/api|\/favicon.ico|\/static|\/imageproxy|\/p|\/u|\/developer|\/about|\/legal|\/explore|\/director)/;
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const osmDefault = 'https://openstreetmap.org';
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const googleMapsRegex = /https?:\/\/((www|maps)\.)?(google).*(\/maps)/;
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const latLngZoomRegex = /@(-?\d[0-9.]*),(-?\d[0-9.]*),(\d{1,2})[.z]/;
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const dataLatLngRegex = /(!3d|!4d)(-?[0-9]{1,10}.[0-9]{1,10})/g;
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let nitterInstance;
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let invidiousInstance;
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let bibliogramInstance;
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let osmInstance;
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let disableNitter;
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let disableInvidious;
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let disableBibliogram;
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let disableOsm;
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window.browser = window.browser || window.chrome;
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browser.storage.sync.get(
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[
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'nitterInstance',
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'invidiousInstance',
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'bibliogramInstance',
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'osmInstance',
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'disableNitter',
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'disableInvidious',
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'disableBibliogram',
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'disableOsm'
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],
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result => {
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disableNitter = result.disableNitter;
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disableInvidious = result.disableInvidious;
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disableBibliogram = result.disableBibliogram;
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disableOsm = result.disableOsm;
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nitterInstance = result.nitterInstance || nitterDefault;
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invidiousInstance = result.invidiousInstance || invidiousDefault;
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bibliogramInstance = result.bibliogramInstance || bibliogramDefault;
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osmInstance = result.osmInstance || osmDefault;
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}
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);
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browser.storage.onChanged.addListener(changes => {
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if ('nitterInstance' in changes) {
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nitterInstance = changes.nitterInstance.newValue || nitterDefault;
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}
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if ('invidiousInstance' in changes) {
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invidiousInstance = changes.invidiousInstance.newValue || invidiousDefault;
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}
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if ('bibliogramInstance' in changes) {
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bibliogramInstance = changes.bibliogramInstance.newValue || bibliogramDefault;
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}
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if ('osmInstance' in changes) {
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osmInstance = changes.osmInstance.newValue || osmDefault;
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}
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if ('disableNitter' in changes) {
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disableNitter = changes.disableNitter.newValue;
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}
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if ('disableInvidious' in changes) {
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disableInvidious = changes.disableInvidious.newValue;
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}
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if ('disableBibliogram' in changes) {
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disableBibliogram = changes.disableBibliogram.newValue;
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}
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if ('disableOsm' in changes) {
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disableOsm = changes.disableOsm.newValue;
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}
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});
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function redirectYouTube(url) {
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if (url.host.split('.')[0] === 'studio') {
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// Avoid redirecting `studio.youtube.com`
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return null;
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} else if (url.pathname.match(/iframe_api/)) {
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// Redirect requests for YouTube Player API to local files instead
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return browser.runtime.getURL('assets/iframe_api.js');
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} else if (url.pathname.match(/www-widgetapi/)) {
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// Redirect requests for YouTube Player API to local files instead
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return browser.runtime.getURL('assets/www-widgetapi.js');
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} else {
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// Proxy video through the server
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url.searchParams.append('local', true);
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return `${invidiousInstance}${url.pathname}${url.search}`;
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}
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}
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function redirectTwitter(url) {
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if (url.host.split('.')[0] === 'tweetdeck') {
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// Avoid redirecting `tweetdeck.twitter.com`
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return null;
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} else {
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return `${nitterInstance}${url.pathname}${url.search}`;
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}
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}
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function redirectInstagram(url) {
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if (url.pathname === '/' || url.pathname.match(instagramPathsRegex)) {
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return `${bibliogramInstance}${url.pathname}${url.search}`;
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} else {
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// Redirect user profile requests to '/u/...'
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return `${bibliogramInstance}/u${url.pathname}${url.search}`;
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}
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}
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function redirectGoogleMaps(url) {
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// Do not redirect embedded maps
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if (url.pathname.includes('/embed')) {
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return;
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}
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let lat = '';
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let lon = '';
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let zoom = '';
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if (url.pathname.match(latLngZoomRegex)) {
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[, lat, lon, zoom] = url.pathname.match(latLngZoomRegex);
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}
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if (url.pathname.includes('data=')) {
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const [mlat, mlon] = url.pathname.match(dataLatLngRegex);
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return `${osmInstance}/?mlat=${mlat.replace('!3d', '')}&mlon=${mlon.replace('!4d', '')}#map=${zoom}/${lat}/${lon}`;
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} else {
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const query = encodeURI(url.searchParams.get('q')) || url.pathname.split('/')[3];
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return `${osmInstance}/search?query=${query}#map=${zoom}/${lat}/${lon}`;
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}
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}
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browser.webRequest.onBeforeRequest.addListener(
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details => {
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const url = new URL(details.url);
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let redirect;
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if (url.host.match(youtubeRegex)) {
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if (!disableInvidious) {
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redirect = {
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redirectUrl: redirectYouTube(url)
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};
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}
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} else if (url.host.match(twitterRegex)) {
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if (!disableNitter) {
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redirect = {
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redirectUrl: redirectTwitter(url)
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};
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}
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} else if (url.host.match(instagramRegex)) {
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if (!disableBibliogram) {
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redirect = {
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redirectUrl: redirectInstagram(url)
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};
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}
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} else if (url.href.match(googleMapsRegex)) {
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if (!disableOsm) {
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redirect = {
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redirectUrl: redirectGoogleMaps(url)
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};
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}
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}
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if (redirect && redirect.redirectUrl) {
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console.log(
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'Redirecting', `"${url.href}"`, '=>', `"${redirect.redirectUrl}"`
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);
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console.log('Details', details);
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}
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return redirect;
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},
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{
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urls: ["<all_urls>"]
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},
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['blocking']
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);
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