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export var DEFAULT_BLOCKED_UA_STRS = [ // Random assortment of bots 'amazonbot', 'amazonproductbot', 'app.hypefactors.com', // Buck, but "buck" is too short to be safe to block (https://app.hypefactors.com/media-monitoring/about.htm) 'applebot', 'archive.org_bot', 'awariobot', 'backlinksextendedbot', 'baiduspider', 'bingbot', 'bingpreview', 'chrome-lighthouse', 'dataforseobot', 'deepscan', 'duckduckbot', 'facebookexternal', 'facebookcatalog', 'http://yandex.com/bots', 'hubspot', 'ia_archiver', 'linkedinbot', 'meta-externalagent', 'mj12bot', 'msnbot', 'nessus', 'petalbot', 'pinterest', 'prerender', 'rogerbot', 'screaming frog', 'sebot-wa', 'sitebulb', 'slackbot', 'slurp', 'trendictionbot', 'turnitin', 'twitterbot', 'vercelbot', 'yahoo! slurp', 'yandexbot', 'zoombot', // Bot-like words, maybe we should block `bot` entirely? 'bot.htm', 'bot.php', '(bot;', 'bot/', 'crawler', // Ahrefs: https://ahrefs.com/seo/glossary/ahrefsbot 'ahrefsbot', 'ahrefssiteaudit', // Semrush bots: https://www.semrush.com/bot/ 'semrushbot', 'siteauditbot', 'splitsignalbot', // AI Crawlers 'gptbot', 'oai-searchbot', 'chatgpt-user', 'perplexitybot', // Uptime-like stuff 'better uptime bot', 'sentryuptimebot', 'uptimerobot', // headless browsers 'headlesschrome', 'cypress', // we don't block electron here, as many customers use posthog-js in electron apps // a whole bunch of goog-specific crawlers // https://developers.google.com/search/docs/advanced/crawling/overview-google-crawlers 'google-hoteladsverifier', 'adsbot-google', 'apis-google', 'duplexweb-google', 'feedfetcher-google', 'google favicon', 'google web preview', 'google-read-aloud', 'googlebot', 'googleweblight', 'mediapartners-google', 'storebot-google', 'bytespider', ]; /** * Block various web spiders from executing our JS and sending false capturing data */ export var isBlockedUA = function (ua, customBlockedUserAgents) { if (!ua) { return false; } var uaLower = ua.toLowerCase(); return DEFAULT_BLOCKED_UA_STRS.concat(customBlockedUserAgents || []).some(function (blockedUA) { var blockedUaLower = blockedUA.toLowerCase(); // can't use includes because IE 11 :/ return uaLower.indexOf(blockedUaLower) !== -1; }); }; export var isLikelyBot = function (navigator, customBlockedUserAgents) { if (!navigator) { return false; } var ua = navigator.userAgent; if (ua) { if (isBlockedUA(ua, customBlockedUserAgents)) { return true; } } try { // eslint-disable-next-line compat/compat var uaData = navigator === null || navigator === void 0 ? void 0 : navigator.userAgentData; if ((uaData === null || uaData === void 0 ? void 0 : uaData.brands) && uaData.brands.some(function (brandObj) { return isBlockedUA(brandObj === null || brandObj === void 0 ? void 0 : brandObj.brand, customBlockedUserAgents); })) { return true; } } catch (_a) { // ignore the error, we were using experimental browser features } return !!navigator.webdriver; // There's some more enhancements we could make in this area, e.g. it's possible to check if Chrome dev tools are // open, which will detect some bots that are trying to mask themselves and might get past the checks above. // However, this would give false positives for actual humans who have dev tools open. // We could also use the data in navigator.userAgentData.getHighEntropyValues() to detect bots, but we should wait // until this stops being experimental. The MDN docs imply that this might eventually require user permission. // See https://developer.mozilla.org/en-US/docs/Web/API/NavigatorUAData/getHighEntropyValues // It would be very bad if posthog-js caused a permission prompt to appear on every page load. }; //# sourceMappingURL=blocked-uas.js.map