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365 lines
8.4 KiB
365 lines
8.4 KiB
/**
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* WebExtension driver
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*/
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/* eslint-env browser */
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/* global browser, fetch, Wappalyzer */
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/** global: browser */
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/** global: fetch */
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/** global: Wappalyzer */
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const wappalyzer = new Wappalyzer();
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const tabCache = {};
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const robotsTxtQueue = {};
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let categoryOrder = [];
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browser.tabs.onRemoved.addListener((tabId) => {
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tabCache[tabId] = null;
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});
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/**
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* Get a value from localStorage
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*/
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function getOption(name, defaultValue = null) {
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return new Promise(async (resolve, reject) => {
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let value = defaultValue;
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try {
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const option = await browser.storage.local.get(name);
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if (option[name] !== undefined) {
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value = option[name];
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}
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} catch (error) {
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wappalyzer.log(error.message, 'driver', 'error');
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return reject(error.message);
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}
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return resolve(value);
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});
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}
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/**
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* Set a value in localStorage
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*/
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function setOption(name, value) {
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return new Promise(async (resolve, reject) => {
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try {
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await browser.storage.local.set({ [name]: value });
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} catch (error) {
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wappalyzer.log(error.message, 'driver', 'error');
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return reject(error.message);
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}
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return resolve();
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});
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}
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/**
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* Open a tab
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*/
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function openTab(args) {
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browser.tabs.create({
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url: args.url,
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active: args.background === undefined || !args.background,
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});
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}
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/**
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* Make a POST request
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*/
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async function post(url, body) {
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try {
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const response = await fetch(url, {
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method: 'POST',
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body: JSON.stringify(body),
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});
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wappalyzer.log(`POST ${url}: ${response.status}`, 'driver');
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} catch (error) {
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wappalyzer.log(`POST ${url}: ${error}`, 'driver', 'error');
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}
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}
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// Capture response headers
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browser.webRequest.onCompleted.addListener(async (request) => {
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const headers = {};
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if (request.responseHeaders) {
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const url = wappalyzer.parseUrl(request.url);
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let tab;
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try {
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[tab] = await browser.tabs.query({ url: [url.href] });
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} catch (error) {
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wappalyzer.log(error, 'driver', 'error');
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}
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if (tab) {
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request.responseHeaders.forEach((header) => {
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const name = header.name.toLowerCase();
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headers[name] = headers[name] || [];
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headers[name].push((header.value || header.binaryValue || '').toString());
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});
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if (headers['content-type'] && /\/x?html/.test(headers['content-type'][0])) {
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wappalyzer.analyze(url, { headers }, { tab });
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}
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}
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}
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}, { urls: ['http://*/*', 'https://*/*'], types: ['main_frame'] }, ['responseHeaders']);
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// Listen for messages
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browser.runtime.onMessage.addListener(async (message, sender) => {
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if (message.id === undefined) {
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return Promise.resolve();
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}
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if (message.id !== 'log') {
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wappalyzer.log(`Message${message.source ? ` from ${message.source}` : ''}: ${message.id}`, 'driver');
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}
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const pinnedCategory = await getOption('pinnedCategory');
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const url = wappalyzer.parseUrl(sender.tab ? sender.tab.url : '');
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const cookies = await browser.cookies.getAll({ domain: `.${url.hostname}` });
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let response;
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switch (message.id) {
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case 'log':
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wappalyzer.log(message.subject, message.source);
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break;
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case 'init':
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wappalyzer.analyze(url, { cookies }, { tab: sender.tab });
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break;
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case 'analyze':
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wappalyzer.analyze(url, message.subject, { tab: sender.tab });
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await setOption('hostnameCache', wappalyzer.hostnameCache);
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break;
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case 'ad_log':
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wappalyzer.cacheDetectedAds(message.subject);
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break;
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case 'get_apps':
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response = {
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tabCache: tabCache[message.tab.id],
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apps: wappalyzer.apps,
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categories: wappalyzer.categories,
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pinnedCategory,
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};
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break;
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case 'set_option':
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await setOption(message.key, message.value);
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break;
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case 'get_js_patterns':
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response = {
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patterns: wappalyzer.jsPatterns,
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};
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break;
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default:
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}
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return Promise.resolve(response);
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});
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wappalyzer.driver.document = document;
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/**
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* Log messages to console
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*/
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wappalyzer.driver.log = (message, source, type) => {
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const log = ['warn', 'error'].indexOf(type) !== -1 ? type : 'log';
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console[log](`[wappalyzer ${type}]`, `[${source}]`, message);
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};
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/**
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* Display apps
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*/
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wappalyzer.driver.displayApps = async (detected, meta, context) => {
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const { tab } = context;
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if (tab === undefined) {
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return;
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}
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tabCache[tab.id] = tabCache[tab.id] || {
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detected: [],
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};
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tabCache[tab.id].detected = detected;
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const pinnedCategory = await getOption('pinnedCategory');
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const dynamicIcon = await getOption('dynamicIcon', true);
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let found = false;
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// Find the main application to display
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[pinnedCategory].concat(categoryOrder).forEach((match) => {
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Object.keys(detected).forEach((appName) => {
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const app = detected[appName];
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app.props.cats.forEach((category) => {
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if (category === match && !found) {
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let icon = app.props.icon && dynamicIcon ? app.props.icon : 'default.svg';
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if (/\.svg$/i.test(icon)) {
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icon = `converted/${icon.replace(/\.svg$/, '.png')}`;
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}
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try {
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browser.pageAction.setIcon({
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tabId: tab.id,
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path: `../images/icons/${icon}`,
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});
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} catch (e) {
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// Firefox for Android does not support setIcon see https://bugzilla.mozilla.org/show_bug.cgi?id=1331746
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}
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found = true;
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}
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});
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});
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});
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browser.pageAction.show(tab.id);
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};
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/**
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* Fetch and cache robots.txt for host
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*/
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wappalyzer.driver.getRobotsTxt = async (host, secure = false) => {
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if (robotsTxtQueue[host]) {
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return robotsTxtQueue[host];
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}
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const tracking = await getOption('tracking', true);
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const robotsTxtCache = await getOption('robotsTxtCache', {});
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robotsTxtQueue[host] = new Promise(async (resolve) => {
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if (!tracking) {
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return resolve([]);
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}
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if (host in robotsTxtCache) {
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return resolve(robotsTxtCache[host]);
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}
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const timeout = setTimeout(() => resolve([]), 3000);
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let response;
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try {
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response = await fetch(`http${secure ? 's' : ''}://${host}/robots.txt`, { redirect: 'follow' });
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} catch (error) {
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wappalyzer.log(error, 'driver', 'error');
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return resolve([]);
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}
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clearTimeout(timeout);
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const robotsTxt = response.ok ? await response.text() : '';
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robotsTxtCache[host] = Wappalyzer.parseRobotsTxt(robotsTxt);
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await setOption('robotsTxtCache', robotsTxtCache);
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delete robotsTxtQueue[host];
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return resolve(robotsTxtCache[host]);
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});
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return robotsTxtQueue[host];
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};
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/**
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* Anonymously track detected applications for research purposes
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*/
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wappalyzer.driver.ping = async (hostnameCache = {}, adCache = []) => {
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const tracking = await getOption('tracking', true);
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if (tracking) {
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if (Object.keys(hostnameCache).length) {
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post('https://api.wappalyzer.com/ping/v1/', hostnameCache);
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}
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if (adCache.length) {
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post('https://ad.wappalyzer.com/log/wp/', adCache);
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}
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await setOption('robotsTxtCache', {});
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}
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};
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// Init
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(async () => {
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// Technologies
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try {
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const response = await fetch('../apps.json');
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const json = await response.json();
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wappalyzer.apps = json.apps;
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wappalyzer.categories = json.categories;
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} catch (error) {
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wappalyzer.log(`GET apps.json: ${error.message}`, 'driver', 'error');
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}
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wappalyzer.parseJsPatterns();
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categoryOrder = Object.keys(wappalyzer.categories)
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.map(categoryId => parseInt(categoryId, 10))
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.sort((a, b) => wappalyzer.categories[a].priority - wappalyzer.categories[b].priority);
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// Version check
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const { version } = browser.runtime.getManifest();
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const previousVersion = await getOption('version');
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const upgradeMessage = await getOption('upgradeMessage', true);
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if (previousVersion === null) {
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openTab({
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url: `${wappalyzer.config.websiteURL}installed`,
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});
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} else if (version !== previousVersion && upgradeMessage) {
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openTab({
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url: `${wappalyzer.config.websiteURL}upgraded?v${version}`,
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background: true,
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});
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}
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await setOption('version', version);
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// Hostname cache
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wappalyzer.hostnameCache = await getOption('hostnameCache', {});
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// Run content script on all tabs
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try {
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const tabs = await browser.tabs.query({ url: ['http://*/*', 'https://*/*'] });
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tabs.forEach((tab) => {
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browser.tabs.executeScript(tab.id, {
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file: '../js/content.js',
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});
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});
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} catch (error) {
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wappalyzer.log(error, 'driver', 'error');
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}
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})();
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