Redact pathnames with origin `file://`

src/Analytics.js

@@ -39,9 +39,16 @@ function getRedactedHash(hash) {
     return hash.replace(hashRegex, "#/$1");
 }
 
-// Return the current origin and hash separated with a `/`. This does not include query parameters.
+// Return the current origin, path and hash separated with a `/`. This does
+// not include query parameters.
 function getRedactedUrl() {
     const { origin, pathname, hash } = window.location;
+
+    // Redact paths which could contain unexpected PII
+    if (origin.startsWith('file://')) {
+        pathname = "/<redacted>/";
+    }
+
     return origin + pathname + getRedactedHash(hash);
 }