gecko-dev/toolkit/components/antitracking/test/browser/browser_subResources.js

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

  await SpecialPowers.flushPrefEnv();
  await SpecialPowers.pushPrefEnv({"set": [
    ["browser.contentblocking.allowlist.annotations.enabled", true],
    ["browser.contentblocking.allowlist.storage.enabled", true],
    ["network.cookie.cookieBehavior", Ci.nsICookieService.BEHAVIOR_REJECT_TRACKER],
    ["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_TOP_PAGE);
  gBrowser.selectedTab = tab;

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

  info("Loading tracking scripts and tracking images");
  await ContentTask.spawn(browser, null, 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, "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, 0, "Cookies received for scripts");
    });

  info("Creating a 3rd party content");
  await ContentTask.spawn(browser,
                          { page: TEST_3RD_PARTY_PAGE_WO,
                            blockingCallback: (async _ => {}).toString(),
                            nonBlockingCallback: (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, "*");
      };

      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 ContentTask.spawn(browser, null, 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, "One 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, 1, "One cookie received received for scripts.");
    });

  let expectTrackerBlocked = (item, blocked) => {
    is(item[0], Ci.nsIWebProgressListener.STATE_COOKIES_BLOCKED_TRACKER,
       "Correct blocking type reported");
    is(item[1], blocked,
       "Correct blocking status reported");
    ok(item[2] >= 1,
       "Correct repeat count reported");
  };

  let expectTrackerFound = item => {
    is(item[0], Ci.nsIWebProgressListener.STATE_LOADED_TRACKING_CONTENT,
       "Correct blocking type reported");
    is(item[1], true,
       "Correct blocking status reported");
    ok(item[2] >= 1,
       "Correct repeat count reported");
  };

  let expectCookiesLoaded = item => {
    is(item[0], Ci.nsIWebProgressListener.STATE_COOKIES_LOADED,
       "Correct blocking type reported");
    is(item[1], true,
       "Correct blocking status reported");
    ok(item[2] >= 1,
       "Correct repeat count reported");
  };

  let log = JSON.parse(await browser.getContentBlockingLog());
  for (let trackerOrigin in log) {
    is(trackerOrigin + "/", TEST_3RD_PARTY_DOMAIN, "Correct tracker origin must be reported");
    let originLog = log[trackerOrigin];
    is(originLog.length, 4, "We should have 4 entries in the compressed log");
    expectTrackerFound(originLog[0]);
    expectCookiesLoaded(originLog[1]);
    expectTrackerBlocked(originLog[2], true);
    expectTrackerBlocked(originLog[3], false);
  }

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

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