capyfarm/background.js at master · auglu/capyfarm · GitHub

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const default_uas = [
  "Mozilla/5.0 (compatible; HeadlessChrome/120.0; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko)",
  "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; PerplexityBot/1.0; +https://perplexity.ai/perplexitybot)",
  "python-requests/2.25.1",
  "AhrefsBot",
  "Spider_Bot/3.0",
  "curl/7.79.1",
  "Lynx/2.8.9rel.1 libwww-FM/2.14 SSL-MM/1.4.1",
  "Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)",
  "",
  "Mozilla/5.0 (Nintendo 3DS; U; ; en) Version/1.7412.EU"
];

const blockList = [
  "doubleclick.net",
  "googlesyndication.com",
  "googleadservices.com",
  "adservice.google.com",
  "pagead2.googlesyndication.com",
  "partner.googleadservices.com",
  "tpc.googlesyndication.com",
  "securepubads.g.doubleclick.net",

  "facebook.net",
  "connect.facebook.net",
  "ads.facebook.com",

  "rcm.amazon.com",
  "fls-na.amazon.com",

  "bat.bing.com",
  "bingads.microsoft.com",

  "hotjar.com",
  "stats.g.doubleclick.net",
  "googletagmanager.com",
  "googletagservices.com",
  "google-analytics.com",
  "ssl.google-analytics.com",
  "www.google-analytics.com",
  "cdn.segment.com",
  "js-agent.newrelic.com",
  "analytics.twitter.com",
  "snap.licdn.com",

  "adnxs.com",
  "adsafeprotected.com",
  "adsrvr.org",
  "adform.net",
  "criteo.com",
  "criteo.net",
  "openx.net",
  "rubiconproject.com",
  "mathtag.com",
  "yieldmo.com",
  "casalemedia.com",
  "contextweb.com",
  "bidr.io",
  "lijit.com",
  "pubmatic.com",
  "ipredictive.com",

  "cdn.adbooth.net",
  "moatads.com",
  "scorecardresearch.com",
  "quantserve.com",
  "tapad.com",
  "outbrain.com",
  "taboola.com",
  "zergnet.com",
  "bluekai.com",
  "trustarc.com",
  "optimizely.com",

  "mailchimp.com",
  "mandrillapp.com",
  "sendgrid.net"
];

let cur_ua = default_uas[0];
let captchaCount = 0;
let blockedCount = 0;

let requestAlteringEnabled = true;
let requestBlockingEnabled = true;

(async () => {
  const stored = await browser.storage.local.get([
    "captchaCount",
    "blockedCount",
    "requestAlteringEnabled",
    "requestBlockingEnabled"
  ]);
  captchaCount = stored.captchaCount || 0;
  blockedCount = stored.blockedCount || 0;
  requestAlteringEnabled = stored.requestAlteringEnabled !== false;
  requestBlockingEnabled = stored.requestBlockingEnabled !== false;
})();

browser.webRequest.onBeforeSendHeaders.addListener(
  function(details) {
    if (requestBlockingEnabled && blockList.some(domain => details.url.includes(domain))) {
      return { cancel: true };
    }

    if (requestAlteringEnabled) {
      for (let header of details.requestHeaders) {
        const name = header.name.toLowerCase();
        if (name === "user-agent") header.value = cur_ua;
        if (name === "accept-language") header.value = "*/*";
        if (name === "accept-encoding") header.value = "*/*";
        if (name === "connection") header.value = "close";
        if (name === "te" || name === "cookie") header.value = "";
      }

      details.requestHeaders.push({ name: "X-Requested-With", value: "XMLHttpRequest" });
      details.requestHeaders.push({ name: "X-Forwarded-For", value: "0.0.0.0, 255.255.255" });
    }

    return { requestHeaders: details.requestHeaders };
  },
  { urls: ["<all_urls>"] },
  ["blocking", "requestHeaders"]
);

browser.webRequest.onCompleted.addListener(
  async (details) => {
    if (details.statusCode === 403) {
      blockedCount++;
      await browser.storage.local.set({ blockedCount });
    }
  },
  { urls: ["<all_urls>"] }
);

browser.runtime.onMessage.addListener(async (message) => {
  if (message.type === "captcha_detected") {
    captchaCount++;
    await browser.storage.local.set({ captchaCount });
  } else if (message.type === "toggleSettings") {
    if (message.setting === "requestAlteringEnabled") {
      requestAlteringEnabled = message.value;
      await browser.storage.local.set({ requestAlteringEnabled });
    }
    if (message.setting === "requestBlockingEnabled") {
      requestBlockingEnabled = message.value;
      await browser.storage.local.set({ requestBlockingEnabled });
    }
  }
});