66 lines
1.9 KiB
JavaScript
66 lines
1.9 KiB
JavaScript
'use strict';
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const nitterDefault = 'https://nitter.net';
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let disableNitter;
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let nitterInstance;
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let redirectBypassFlag;
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let whitelist;
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window.browser = window.browser || window.chrome;
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function isNotWhitelisted(url) {
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return !whitelist.some(regex => (regex.test(url.href)));
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}
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function shouldRedirect(url) {
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return !redirectBypassFlag &&
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isNotWhitelisted(url) &&
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!disableNitter &&
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url.host !== nitterInstance &&
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!url.pathname.includes('/home');
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}
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function redirectTwitter(url) {
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if (url.host.split('.')[0] === 'pbs') {
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return `${nitterInstance}/pic/${encodeURIComponent(url.href)}`;
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} else if (url.host.split('.')[0] === 'video') {
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return `${nitterInstance}/gif/${encodeURIComponent(url.href)}`;
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} else {
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return `${nitterInstance}${url.pathname}${url.search}`;
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};
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}
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browser.storage.sync.get(
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['nitterInstance', 'disableNitter', 'removeTwitterSW', 'redirectBypassFlag'],
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(result) => {
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redirectBypassFlag = result.redirectBypassFlag;
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browser.storage.sync.set({
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redirectBypassFlag: false
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});
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if (!result.removeTwitterSW) {
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disableNitter = result.disableNitter;
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nitterInstance = result.nitterInstance || nitterDefault;
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whitelist = result.whitelist ? result.whitelist.map(e => {
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return new RegExp(e.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'));
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}) : [];
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navigator.serviceWorker.getRegistrations().then(registrations => {
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for (let registration of registrations) {
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if (registration.scope === 'https://twitter.com/') {
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registration.unregister();
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console.log('Unregistered Twitter SW', registration);
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}
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}
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});
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const url = new URL(window.location);
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if (shouldRedirect()) {
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const redirect = redirectTwitter(url);
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console.info(
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'Redirecting', `"${url.href}"`, '=>', `"${redirect}"`
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);
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window.location = redirect;
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}
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}
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}
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);
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