#!/usr/bin/env python3 | |
import os | |
import sys | |
purpose = os.environ.get('HTTP_PURPOSE', '') | |
sys.stdout.write('Content-Type: text/html\r\n\r\n') | |
if purpose == 'prefetch': | |
sys.stdout.write( | |
'<script>\n' | |
'parent.window.postMessage(\'FAIL\', \'*\');\n' | |
'</script>\n' | |
) | |
sys.exit(0) | |
sys.stdout.write( | |
'<script>\n' | |
'parent.window.postMessage(\'PASS\', \'*\');\n' | |
'</script>\n' | |
) |