353 lines
14 KiB
JavaScript
353 lines
14 KiB
JavaScript
// onBeforeNavigate captures right before navigation to a new page starts;
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// onCreatedNavigationTarget captures new tabs/windows;
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// onCommitted captures after onBeforeNavigate, used to catch redirects.
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chrome.webNavigation.onBeforeNavigate.addListener(event => main(event, 'onBeforeNavigation'));
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chrome.webNavigation.onCreatedNavigationTarget.addListener(event => main(event, 'onCreatedNavigationTarget'));
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chrome.webNavigation.onCommitted.addListener(event => main(event, 'onCommitted'));
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// Listen for user turning extension on or off, to update icon
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chrome.runtime.onMessage.addListener(function (msg, sender, sendResponse) {
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if (msg.action === "updateIcon") {
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setPowerIcon(msg.value);
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}
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});
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// Listen for browser starting, to set initial icon state
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chrome.runtime.onStartup.addListener(function () {
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chrome.storage.local.get({ 'power': 'on' }, function (item) {
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setPowerIcon(item.power);
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});
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});
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// Listen for extension installed/updating, to set initial icon state
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chrome.runtime.onInstalled.addListener(function () {
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chrome.storage.local.get({ 'power': 'on' }, function (item) {
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setPowerIcon(item.power);
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});
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});
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if (chrome.declarativeNetRequest) {
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// In Manifest v3:
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// Whenever stored settings change, update the header
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// that is sent to BreezeWiki instances to inform them the user has IWB
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updateDeclarativeRule();
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chrome.storage.onChanged.addListener(event => updateDeclarativeRule());
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} else {
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// In Manifest v2:
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// On main frame BreezeWiki requests, update the header
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// that is sent to BreezeWiki instances to inform them the user has IWB
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chrome.webRequest.onBeforeSendHeaders.addListener(async (details) =>
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addHeaderToRequest(details),
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{
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urls: [
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'*://breezewiki.com/*',
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'*://antifandom.com/*',
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'*://bw.projectsegfau.lt/*',
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'*://breeze.hostux.net/*',
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'*://breezewiki.pussthecat.org/*',
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'*://bw.vern.cc/*',
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'*://breezewiki.esmailelbob.xyz/*',
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'*://bw.artemislena.eu/*',
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'*://bw.hamstro.dev/*',
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'*://nerd.whatever.social/*',
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'*://breeze.nohost.network/*'
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],
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types: [
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'main_frame'
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]
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},
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["blocking", "requestHeaders"]
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);
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}
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function setPowerIcon(status) {
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const manifestVersion = chrome.runtime.getManifest().manifest_version;
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if (status === 'on') {
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if (manifestVersion === 2) {
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chrome.browserAction.setIcon({ path: "/images/logo-128.png" });
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} else {
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chrome.action.setIcon({ path: "/images/logo-128.png" });
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}
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} else {
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if (manifestVersion === 2) {
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chrome.browserAction.setIcon({ path: "/images/logo-off.png" });
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} else {
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chrome.action.setIcon({ path: "/images/logo-off.png" });
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}
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}
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}
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function addHeaderToRequest(details) {
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return new Promise((resolve) => {
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chrome.storage.local.get(async (localStorage) => {
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await chrome.storage.sync.get((syncStorage) => {
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const storage = { ...syncStorage, ...localStorage };
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const headerValue = JSON.stringify({
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'power': storage.power,
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'breezewiki': storage.breezewiki
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});
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details.requestHeaders.push({ name: 'x-indie-wiki', value: headerValue });
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resolve({ requestHeaders: details.requestHeaders });
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});
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});
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});
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}
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function updateDeclarativeRule() {
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chrome.storage.local.get(function (localStorage) {
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chrome.storage.sync.get(function (syncStorage) {
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const storage = { ...syncStorage, ...localStorage };
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const headerValue = JSON.stringify({
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'power': storage.power ?? 'on',
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'breezewiki': storage.breezewiki ?? 'off'
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});
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chrome.declarativeNetRequest.updateDynamicRules({
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removeRuleIds: [1],
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addRules: [
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{
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"id": 1,
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"priority": 1,
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"action": {
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"type": "modifyHeaders",
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"requestHeaders": [
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{
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"operation": "set",
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"header": "x-indie-wiki",
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"value": headerValue
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}
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]
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},
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"condition": {
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"requestDomains": [
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"breezewiki.com",
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"antifandom.com",
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"bw.projectsegfau.lt",
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"breeze.hostux.net",
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"breezewiki.pussthecat.org",
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"bw.vern.cc",
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"breezewiki.esmailelbob.xyz",
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'bw.artemislena.eu',
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'bw.hamstro.dev',
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'nerd.whatever.social',
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'breeze.nohost.network'
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],
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"resourceTypes": [
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"main_frame"
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]
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}
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}
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]
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});
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});
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});
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}
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function redirectToBreezeWiki(storage, eventInfo, url) {
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function processRedirect(host) {
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const subdomain = url.hostname.split(".")[0];
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const article = url.href.split('fandom.com/wiki/')[1].replaceAll('%20', '_');
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if (article) {
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chrome.tabs.update(eventInfo.tabId, { url: host + '/' + subdomain + '/wiki/' + article });
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} else {
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chrome.tabs.update(eventInfo.tabId, { url: host + '/' + subdomain });
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}
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if (eventInfo.frameId === 0) {
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chrome.storage.sync.set({ 'countBreezeWiki': (storage.countBreezeWiki ?? 0) + 1 });
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}
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if ((storage.notifications ?? 'on') === 'on') {
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// Notify that user is being redirected to BreezeWiki
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let notifID = 'independent-wiki-redirector-notification-' + Math.floor(Math.random() * 1E16);
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chrome.notifications.create(notifID, {
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"type": "basic",
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"iconUrl": 'images/logo-48.png',
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"title": "You've been redirected to BreezeWiki!",
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"message": "Indie Wiki Buddy has sent you to BreezeWiki for a cleaner, ad-free experience on Fandom."
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});
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// Self-clear notification after 6 seconds:
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setTimeout(function () { chrome.notifications.clear(notifID); }, 6000);
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}
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}
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if (url.href.includes('fandom.com/wiki/')) {
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if (!(storage.breezewikiHost ?? null)) {
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fetch('https://bw.getindie.wiki/instances.json')
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.then((response) => {
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if (response.ok) {
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return response.json();
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}
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throw new Error('Indie Wiki Buddy failed to get BreezeWiki data.');
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}).then((breezewikiHosts) => {
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breezewikiHosts = breezewikiHosts.filter(host =>
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chrome.runtime.getManifest().version.localeCompare(host.iwb_version,
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undefined,
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{ numeric: true, sensitivity: 'base' }
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) >= 0
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);
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// Check if BreezeWiki's main site is available
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let breezewikiMain = breezewikiHosts.filter(host => host.instance === 'https://breezewiki.com');
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if (breezewikiMain.length > 0) {
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chrome.storage.sync.set({ 'breezewikiHost': breezewikiMain[0].instance });
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} else {
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// If BreezeWiki.com is not available, set to a random mirror
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try {
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chrome.storage.sync.set({ 'breezewikiHost': breezewikiHosts[Math.floor(Math.random() * breezewikiHosts.length)].instance });
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} catch (e) {
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console.log('Indie Wiki Buddy failed to get BreezeWiki data: ' + e);
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}
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}
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chrome.storage.sync.set({ 'breezewikiHostOptions': breezewikiHosts });
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chrome.storage.sync.set({ 'breezewikiHostFetchTimestamp': Date.now() });
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processRedirect(host);
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}).catch((e) => {
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console.log('Indie Wiki Buddy failed to get BreezeWiki data: ' + e);
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chrome.storage.sync.set({ 'breezewikiHost': 'https://breezewiki.com'});
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});
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} else {
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processRedirect(storage.breezewikiHost);
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}
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}
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}
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// Load website data:
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async function getData() {
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const LANGS = ["DE", "EN", "ES", "FR", "IT", "PL", "TOK"];
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let sites = [];
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let promises = [];
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for (let i = 0; i < LANGS.length; i++) {
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promises.push(fetch(chrome.runtime.getURL('data/sites' + LANGS[i] + '.json'))
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.then((resp) => resp.json())
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.then(function (jsonData) {
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jsonData.forEach((site) => {
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site.origins.forEach((origin) => {
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sites.push({
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"id": site.id,
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"origin": origin.origin,
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"origin_base_url": origin.origin_base_url,
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"origin_content_path": origin.origin_content_path,
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"destination": site.destination,
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"destination_base_url": site.destination_base_url,
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"destination_content_path": site.destination_content_path,
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"destination_platform": site.destination_platform,
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"destination_icon": site.destination_icon,
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"lang": LANGS[i]
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})
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})
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});
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}));
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}
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await Promise.all(promises);
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return sites;
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}
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async function main(eventInfo, eventName) {
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// Create object prototypes for getting and setting attributes:
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Object.prototype.get = function (prop) {
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this[prop] = this[prop] || {};
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return this[prop];
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};
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Object.prototype.set = function (prop, value) {
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this[prop] = value;
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}
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// Store tab URL and remove any search parameters and section anchors:
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const url = new URL(eventInfo.url.replace(/(\?|#).*/i, ''));
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// Check if tabId is > 0 (some background events may have tabId < 0)
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// & check for fandom.com in hostname and quit early if it's not:
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if (eventInfo.tabId > 0 && (url.hostname.includes('.fandom.com') || url.hostname.includes('wiki.fextralife.com'))) {
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// Check if tab is actually available
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// This is mainly to prevent background processes from triggering an event
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chrome.tabs.get(eventInfo.tabId, async function (tab) {
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if (tab) {
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let sites = [];
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sites = await getData();
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chrome.storage.local.get(function (localStorage) {
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chrome.storage.sync.get(function (syncStorage) {
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const storage = { ...syncStorage, ...localStorage };
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if ((storage.power ?? 'on') === 'on') {
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// Check if site is in our list of wikis:
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let matchingSites = sites.filter(el => url.href.replace(/^https?:\/\//, '').startsWith(el.origin_base_url));
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if (matchingSites.length > 0) {
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// Select match with longest base URL
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let closestMatch = "";
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matchingSites.forEach(site => {
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if (site.origin_base_url.length > closestMatch.length) {
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closestMatch = site.origin_base_url;
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}
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});
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let site = matchingSites.find(site => site.origin_base_url === closestMatch);
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if (site) {
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// Get user's settings for the wiki
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let settings = storage.siteSettings || {};
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let id = site['id'];
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let siteSetting = '';
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if (settings.hasOwnProperty(id) && settings[id].hasOwnProperty('action')) {
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siteSetting = settings[id].action;
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} else if (storage.defaultActionSettings && storage.defaultActionSettings[site.language]) {
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siteSetting = storage.defaultActionSettings[site.language];
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} else {
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siteSetting = 'alert';
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}
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// Check if redirects are enabled for the site:
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if (siteSetting === 'redirect') {
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// Get article name from the end of the URL;
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// We can't just take the last part of the path due to subpages;
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// Instead, we take everything after the wiki's base URL + content path:
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let article = url.href.split(site['origin_base_url'] + site['origin_content_path'])[1];
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// Set up URL to redirect user to based on wiki platform:
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if (article || (!article && !url.href.split(site['origin_base_url'] + '/')[1])) {
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let newURL = '';
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if (article) {
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let searchParams = '';
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switch (site['destination_platform']) {
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case 'mediawiki':
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searchParams = 'Special:Search/' + article;
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break;
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case 'doku':
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searchParams = 'start?do=search&q=' + article;
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break;
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}
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newURL = 'https://' + site["destination_base_url"] + site["destination_content_path"] + searchParams;
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} else {
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newURL = 'https://' + site["destination_base_url"];
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}
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// Perform redirect:
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chrome.tabs.update(eventInfo.tabId, { url: newURL });
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// Increase global redirect count:
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if (eventInfo.frameId === 0) {
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chrome.storage.sync.set({ 'countRedirects': (storage.countRedirects ?? 0) + 1 });
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}
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// Notify if enabled
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if ((storage.notifications ?? 'on') === 'on') {
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// Notify that user is being redirected
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let notifID = 'independent-wiki-redirector-notification-' + Math.floor(Math.random() * 1E16);
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chrome.notifications.create(notifID, {
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"type": "basic",
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"iconUrl": 'images/logo-48.png',
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"title": "You've been redirected!",
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"message": "Indie Wiki Buddy has sent you from " + site['origin'] + " to " + site['destination']
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});
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// Self-clear notification after 6 seconds:
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setTimeout(function () { chrome.notifications.clear(notifID); }, 6000);
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}
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}
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} else if ((storage.breezewiki ?? 'off') === 'on') {
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redirectToBreezeWiki(storage, eventInfo, url);
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}
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}
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} else if ((storage.breezewiki ?? 'off') === 'on') {
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redirectToBreezeWiki(storage, eventInfo, url);
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}
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}
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});
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});
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}
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});
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}
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}
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