1 files changed, 39 insertions, 0 deletions
diff --git a/src/js/firstparties/google-search.js b/src/js/firstparties/google-search.js
new file mode 100644
index 0000000..d5eea9a
--- /dev/null
+++ b/src/js/firstparties/google-search.js
@@ -0,0 +1,39 @@
+/* globals findInAllFrames:false */
+// In Firefox, outbound google links have the `rwt(...)` mousedown trigger.
+// In Chrome, they just have a `ping` attribute.
+let trap_link = "a[onmousedown^='return rwt(this,'], a[ping]";
+
+// Remove excessive attributes and event listeners from link a
+function cleanLink(a) {
+  // remove all attributes except for href,
+  // target (to support "Open each selected result in a new browser window"),
+  // class, style and ARIA attributes
+  for (let i = a.attributes.length - 1; i >= 0; --i) {
+    const attr = a.attributes[i];
+    if (attr.name !== 'href' && attr.name !== 'target' &&
+        attr.name !== 'class' && attr.name !== 'style' &&
+        !attr.name.startsWith('aria-')) {
+      a.removeAttribute(attr.name);
+    }
+  }
+  a.rel = "noreferrer noopener";
+
+  // block event listeners on the link
+  a.addEventListener("click", function (e) { e.stopImmediatePropagation(); }, true);
+  a.addEventListener("mousedown", function (e) { e.stopImmediatePropagation(); }, true);
+}
+
+// TODO race condition; fix waiting on https://crbug.com/478183
+chrome.runtime.sendMessage({
+  type: "checkEnabled"
+}, function (enabled) {
+  if (!enabled) {
+    return;
+  }
+
+  // since the page is rendered all at once, no need to set up a
+  // mutationObserver or setInterval
+  findInAllFrames(trap_link).forEach((link) => {
+    cleanLink(link);
+  });
+});