| #!/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' | |
| ) |