firefox/toolkit/components/antitracking/test/browser/browser_existingCookiesForSubresources.js

add_task(async function () {
  info("Starting subResources test");

  await SpecialPowers.flushPrefEnv();
  await SpecialPowers.pushPrefEnv({
    set: [
      ["privacy.trackingprotection.enabled", false],
      ["privacy.trackingprotection.pbmode.enabled", false],
      ["privacy.trackingprotection.annotate_channels", true],
      [
        "privacy.restrict3rdpartystorage.userInteractionRequiredForHosts",
        "tracking.example.com,tracking.example.org",
      ],
    ],
  });

  await UrlClassifierTestUtils.addTestTrackers();

  info("Creating a new tab");
  let tab = BrowserTestUtils.addTab(gBrowser, TEST_3RD_PARTY_PAGE);
  gBrowser.selectedTab = tab;

  let browser = gBrowser.getBrowserForTab(tab);
  await BrowserTestUtils.browserLoaded(browser);

  info(
    "Loading tracking scripts and tracking images before restricting 3rd party cookies"
  );
  await SpecialPowers.spawn(browser, [], async function () {
    // Let's load the script twice here.
    {
      let src = content.document.createElement("script");
      let p = new content.Promise(resolve => {
        src.onload = resolve;
      });
      content.document.body.appendChild(src);
      src.src =
        "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?what=script";
      await p;
    }
    {
      let src = content.document.createElement("script");
      let p = new content.Promise(resolve => {
        src.onload = resolve;
      });
      content.document.body.appendChild(src);
      src.src =
        "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?what=script";
      await p;
    }

    // Let's load an image twice here.
    {
      let img = content.document.createElement("img");
      let p = new content.Promise(resolve => {
        img.onload = resolve;
      });
      content.document.body.appendChild(img);
      img.src =
        "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?what=image";
      await p;
    }
    {
      let img = content.document.createElement("img");
      let p = new content.Promise(resolve => {
        img.onload = resolve;
      });
      content.document.body.appendChild(img);
      img.src =
        "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?what=image";
      await p;
    }
  });

  await fetch(
    "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?result&what=image"
  )
    .then(r => r.text())
    .then(text => {
      is(text, "1", "Cookies received for images");
    });

  await fetch(
    "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?result&what=script"
  )
    .then(r => r.text())
    .then(text => {
      is(text, "1", "Cookies received for scripts");
    });

  info("Removing the tab");
  BrowserTestUtils.removeTab(tab);

  Services.perms.removeAll();

  // Now set up our prefs
  await SpecialPowers.pushPrefEnv({
    set: [
      [
        "network.cookie.cookieBehavior",
        Ci.nsICookieService.BEHAVIOR_REJECT_TRACKER,
      ],
      [
        "network.cookie.cookieBehavior.pbmode",
        Ci.nsICookieService.BEHAVIOR_REJECT_TRACKER,
      ],
      [
        "privacy.restrict3rdpartystorage.userInteractionRequiredForHosts",
        "tracking.example.com,tracking.example.org",
      ],
    ],
  });

  info("Creating a new tab");
  tab = BrowserTestUtils.addTab(gBrowser, TEST_TOP_PAGE);
  gBrowser.selectedTab = tab;

  browser = gBrowser.getBrowserForTab(tab);
  await BrowserTestUtils.browserLoaded(browser);

  info("Creating a 3rd party content");
  await SpecialPowers.spawn(
    browser,
    [{ page: TEST_3RD_PARTY_PAGE, callback: (async _ => {}).toString() }],
    async function (obj) {
      await new content.Promise(resolve => {
        let ifr = content.document.createElement("iframe");
        ifr.onload = function () {
          info("Sending code to the 3rd party content");
          ifr.contentWindow.postMessage(obj.callback, "*");
        };

        content.addEventListener("message", function msg(event) {
          if (event.data.type == "finish") {
            content.removeEventListener("message", msg);
            resolve();
            return;
          }

          if (event.data.type == "ok") {
            ok(event.data.what, event.data.msg);
            return;
          }

          if (event.data.type == "info") {
            info(event.data.msg);
            return;
          }

          ok(false, "Unknown message");
        });

        content.document.body.appendChild(ifr);
        ifr.src = obj.page;
      });
    }
  );

  info("Loading tracking scripts and tracking images again");
  await SpecialPowers.spawn(browser, [], async function () {
    // Let's load the script twice here.
    {
      let src = content.document.createElement("script");
      let p = new content.Promise(resolve => {
        src.onload = resolve;
      });
      content.document.body.appendChild(src);
      src.src =
        "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?what=script";
      await p;
    }
    {
      let src = content.document.createElement("script");
      let p = new content.Promise(resolve => {
        src.onload = resolve;
      });
      content.document.body.appendChild(src);
      src.src =
        "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?what=script";
      await p;
    }

    // Let's load an image twice here.
    {
      let img = content.document.createElement("img");
      let p = new content.Promise(resolve => {
        img.onload = resolve;
      });
      content.document.body.appendChild(img);
      img.src =
        "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?what=image";
      await p;
    }
    {
      let img = content.document.createElement("img");
      let p = new content.Promise(resolve => {
        img.onload = resolve;
      });
      content.document.body.appendChild(img);
      img.src =
        "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?what=image";
      await p;
    }
  });

  await fetch(
    "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?result&what=image"
  )
    .then(r => r.text())
    .then(text => {
      is(text, "0", "No cookie received for images.");
    });

  await fetch(
    "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/subResources.sjs?result&what=script"
  )
    .then(r => r.text())
    .then(text => {
      is(text, "0", "No cookie received received for scripts.");
    });

  info("Removing the tab");
  BrowserTestUtils.removeTab(tab);

  UrlClassifierTestUtils.cleanupTestTrackers();
});

add_task(async function () {
  info("Cleaning up.");
  await new Promise(resolve => {
    Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, () =>
      resolve()
    );
  });
});