Bug 1713695 - Add a SmartBlock shim for AdForm; r=denschub,webcompat-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D120913

browser/extensions/webcompat/data/shims.js

@@ -97,6 +97,23 @@ const AVAILABLE_SHIMS = [
       "*://example.com/browser/browser/extensions/webcompat/tests/browser/shims_test_3.js",
     ],
   },
+  {
+    id: "Adform",
+    platform: "all",
+    name: "Adform",
+    bug: "1713695",
+    file: "adform.js",
+    matches: [
+      "*://track.adform.net/serving/scripts/trackpoint/",
+      "*://track.adform.net/serving/scripts/trackpoint/async/",
+      {
+        patterns: ["*://track.adform.net/Serving/TrackPoint/*"],
+        target: "tracking-pixel.png",
+        types: ["image", "imageset", "xmlhttprequest"],
+      },
+    ],
+    onlyIfBlockedByETP: true,
+  },
   {
     id: "AdNexus",
     platform: "all",

browser/extensions/webcompat/manifest.json

@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "name": "Web Compatibility Interventions",
   "description": "Urgent post-release fixes for web compatibility.",
-  "version": "24.11.0",
+  "version": "24.12.0",
 
   "applications": {
     "gecko": {
@@ -90,6 +90,7 @@
   },
 
   "web_accessible_resources": [
+    "shims/adform.js",
     "shims/adnexus-prebid.js",
     "shims/adsafeprotected-ima.js",
     "shims/apstag.js",

browser/extensions/webcompat/moz.build

@@ -79,6 +79,7 @@ FINAL_TARGET_FILES.features["webcompat@mozilla.org"]["injections"]["js"] += [
 ]
 
 FINAL_TARGET_FILES.features["webcompat@mozilla.org"]["shims"] += [
+    "shims/adform.js",
     "shims/adnexus-prebid.js",
     "shims/adsafeprotected-ima.js",
     "shims/apstag.js",

browser/extensions/webcompat/shims/adform.js

@@ -0,0 +1,30 @@
+/* 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 1713695 - Shim Adform tracking
+ *
+ * Sites such as m.tim.it may gate content behind AdForm's trackpoint,
+ * breaking download links and such if blocked. This shim stubs out the
+ * script and its related tracking pixel, so the content still works.
+ */
+
+if (!window.Adform) {
+  window.Adform = {
+    Opt: {
+      disableRedirect() {},
+      getStatus(clientID, callback) {
+        callback({
+          clientID,
+          errorMessage: undefined,
+          optIn() {},
+          optOut() {},
+          status: "nocookie",
+        });
+      },
+    },
+  };
+}