1 files changed, 114 insertions, 0 deletions
diff --git a/browser/extensions/webcompat/shims/nielsen.js b/browser/extensions/webcompat/shims/nielsen.js
new file mode 100644
index 0000000000..5584a126cb
--- /dev/null
+++ b/browser/extensions/webcompat/shims/nielsen.js
@@ -0,0 +1,114 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+/**
+ * Bug 1760754 - Shim Nielsen tracker
+ *
+ * Sites expecting the Nielsen tracker to load properly can break if it
+ * is blocked. This shim mitigates that breakage by loading a stand-in.
+ */
+
+if (!window.nol_t) {
+  const cid = "";
+
+  let domain = "";
+  let schemeHost = "";
+  let scriptName = "";
+  try {
+    const url = document?.currentScript?.src;
+    const { pathname, protocol, host } = new URL(url);
+    domain = host
+      .split(".")
+      .slice(0, -2)
+      .join(".");
+    schemeHost = `${protocol}//${host}/`;
+    scriptName = pathname.split("/").pop();
+  } catch (_) {}
+
+  const NolTracker = class {
+    CONST = {
+      max_tags: 20,
+    };
+    feat = {};
+    globals = {
+      cid,
+      content: "0",
+      defaultApidFile: "config250",
+      defaultErrorParams: {
+        nol_vcid: "c00",
+        nol_clientid: "",
+      },
+      domain,
+      fpidSfCodeList: [""],
+      init() {},
+      tagCurrRetry: -1,
+      tagMaxRetry: 3,
+      wlCurrRetry: -1,
+      wlMaxRetry: 3,
+    };
+    pmap = [];
+    pvar = {
+      cid,
+      content: "0",
+      cookies_enabled: "n",
+      server: domain,
+    };
+    scriptName = [scriptName];
+    version = "6.0.107";
+
+    addScript() {}
+    catchLinkOverlay() {}
+    clickEvent() {}
+    clickTrack() {}
+    do_sample() {}
+    downloadEvent() {}
+    eventTrack() {}
+    filter() {}
+    fireToUrl() {}
+    getSchemeHost() {
+      return schemeHost;
+    }
+    getVersion() {}
+    iframe() {}
+    in_sample() {
+      return true;
+    }
+    injectBsdk() {}
+    invite() {}
+    linkTrack() {}
+    mergeFeatures() {}
+    pageEvent() {}
+    pause() {}
+    populateWhitelist() {}
+    post() {}
+    postClickTrack() {}
+    postData() {}
+    postEvent() {}
+    postEventTrack() {}
+    postLinkTrack() {}
+    prefix() {
+      return "";
+    }
+    processDdrsSvc() {}
+    random() {}
+    record() {
+      return this;
+    }
+    regLinkOverlay() {}
+    regListen() {}
+    retrieveCiFileViaCors() {}
+    sectionEvent() {}
+    sendALink() {}
+    sendForm() {}
+    sendIt() {}
+    slideEvent() {}
+    whitelistAssigned() {}
+  };
+
+  window.nol_t = () => {
+    return new NolTracker();
+  };
+}