re-nav/source/background-scripts/initialize.ts

106 lines
3.0 KiB
TypeScript

import browser from 'webextension-polyfill';
import storage from '../redirect/storage.js';
import {updateBadge} from '../utilities/badge.js';
import {
contextClicked,
getContextMenus,
initializeContextMenus,
} from './context-menus.js';
async function browserActionClicked() {
await browser.runtime.openOptionsPage();
}
browser.runtime.onInstalled.addListener(async () => {
await initializeContextMenus();
await updateBadge();
if (import.meta.env.DEV) {
await browser.runtime.openOptionsPage();
}
});
browser.runtime.onStartup.addListener(async () => {
await updateBadge();
});
browser.webNavigation.onBeforeNavigate.addListener(async (details) => {
const {redirectsEnabled} = await browser.storage.local.get({
redirectsEnabled: true,
});
if (redirectsEnabled === false) {
return;
}
if (!details.url.startsWith('http') || details.frameId > 0) {
return;
}
const {latestTime} = await browser.storage.local.get('latestTime');
const redirectDelta = Date.now() - (latestTime ?? 0);
if (redirectDelta < 100) {
return;
}
const tab = await browser.tabs.query({active: true, lastFocusedWindow: true});
const currentTabUrl =
tab[0]?.url === undefined ? undefined : new URL(tab[0].url);
const url = new URL(details.url);
const {latestUrl} = await browser.storage.local.get('latestUrl');
if (redirectDelta < 30_000 && url.href === latestUrl) {
return;
}
for (const redirect of await storage.getRedirects()) {
if (!redirect.parameters.enabled) {
continue;
}
if (redirect.isMatch(url)) {
// Don't redirect if the URL before going to a new page is also a match.
// This will happen when the user is already on a website that has a
// redirect, but for whatever reason hasn't redirected. So it's safe to
// assume that they want to stay on this website, rather than get
// redirected.
if (currentTabUrl !== undefined && redirect.isMatch(currentTabUrl)) {
break;
}
let redirectedUrl = redirect.redirect(url);
if (typeof redirectedUrl === 'string') {
try {
redirectedUrl = new URL(redirectedUrl);
} catch {
redirectedUrl = `https://${redirectedUrl as string}`;
redirectedUrl = new URL(redirectedUrl);
}
}
await browser.tabs.update(details.tabId, {url: redirectedUrl.href});
await browser.storage.local.set({
latestTime: Date.now(),
latestUrl: url.href,
});
break;
}
}
});
browser.contextMenus.onClicked.addListener(async (info, tab) => {
const contextMenus = getContextMenus();
const contextMenuIds = new Set<string>(
contextMenus.map(({id}) => id ?? 're-nav-unknown'),
);
await contextClicked(contextMenuIds, info, tab);
});
if (import.meta.env.VITE_BROWSER === 'chromium') {
browser.action.onClicked.addListener(browserActionClicked);
} else {
browser.browserAction.onClicked.addListener(browserActionClicked);
void initializeContextMenus();
}