#!/usr/bin/env python3
import base64
import os
import sys
username = base64.b64decode(os.environ.get('HTTP_AUTHORIZATION', ' Og==').split(' ')[1]).decode().split(':')[0]
sys.stdout.write('Content-Type: text/html\r\n')
if not username:
sys.stdout.write(
'WWW-Authenticate: Basic realm="WebKit AppCache Test Realm"\r\n'
'status: 401\r\n\r\n'
'Authentication canceled'
)
sys.exit(0)
print('''\r\n
Subframe, should disappear.
''')