1 files changed, 41 insertions, 0 deletions
diff --git a/src/js/firstparties/google-static.js b/src/js/firstparties/google-static.js
new file mode 100644
index 0000000..cf73004
--- /dev/null
+++ b/src/js/firstparties/google-static.js
@@ -0,0 +1,41 @@
+let g_wrapped_link = "a[href^='https://www.google.com/url?']";
+
+// Unwrap a Hangouts tracking link
+function unwrapLink(a) {
+  let href = new URL(a.href).searchParams.get('q');
+  if (!window.isURL(href)) {
+    return;
+  }
+
+  // remove all attributes except for target, class, style and aria-*
+  // attributes. This should prevent the script from breaking styles and
+  // features for people with disabilities.
+  for (let i = a.attributes.length - 1; i >= 0; --i) {
+    const attr = a.attributes[i];
+    if (attr.name !== 'target' && attr.name !== 'class' &&
+        attr.name !== 'style' && !attr.name.startsWith('aria-')) {
+      a.removeAttribute(attr.name);
+    }
+  }
+
+  a.rel = "noreferrer";
+  a.href = href;
+}
+
+// Scan the page for all wrapped links
+function unwrapAll() {
+  document.querySelectorAll(g_wrapped_link).forEach((a) => {
+    unwrapLink(a);
+  });
+}
+
+// TODO race condition; fix waiting on https://crbug.com/478183
+chrome.runtime.sendMessage({
+  type: "checkEnabled"
+}, function (enabled) {
+  if (!enabled) {
+    return;
+  }
+  unwrapAll();
+  setInterval(unwrapAll, 2000);
+});