| #!/usr/bin/env python3 | |
| import os | |
| import sys | |
| from urllib.parse import parse_qs | |
| csp = parse_qs(os.environ.get('QUERY_STRING', ''), keep_blank_values=True).get('csp', [''])[0] | |
| def determine_content_security_policy_header(): | |
| sys.stdout.write( | |
| 'Expires: Thu, 01 Dec 2003 16:00:00 GMT\r\n' | |
| 'Cache-Control: no-cache, must-revalidate\r\n' | |
| 'Pragma: no-cache\r\n' | |
| ) | |
| if csp: | |
| sys.stdout.write('Content-Security-Policy: {}\r\n'.format(csp)) |