| from base64 import decodebytes | |
| import time | |
| png_response = decodebytes(b'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAAAAAA6fptVAAAACklEQVR4nGNiAAAABgADNjd8qAAAAABJRU5ErkJggg==') | |
| def main(request, response): | |
| referrer = request.headers.get(b"Referer", b"") | |
| if not referrer: | |
| return 200, [], png_response | |
| return 404 | |