| # Returns a worker script that posts the request's referrer header. |
| def main(request, response): |
| referrer = request.headers.get(b"referer", b"") |
| |
| response_headers = [(b"Content-Type", b"text/javascript"), |
| (b"Access-Control-Allow-Origin", b"*")] |
| |
| return (200, response_headers, |
| b"if ('DedicatedWorkerGlobalScope' in self &&" + |
| b" self instanceof DedicatedWorkerGlobalScope) {" + |
| b" postMessage('"+referrer+b"');" + |
| b"} else if (" + |
| b" 'SharedWorkerGlobalScope' in self &&" + |
| b" self instanceof SharedWorkerGlobalScope) {" + |
| b" onconnect = e => e.ports[0].postMessage('"+referrer+b"');" + |
| b"}") |
