#!/usr/bin/env python3
from georgedata import george
order = list(george.keys()) # dicts guarantee key order as of 3.7
from urllib.parse import urlparse
import sys
from os import getenv
if __name__ == "__main__":
print("Content-Type: text/html")
qs = getenv("QUERY_STRING")
qs = qs.replace("%20"," ")
try:
ind = order.index(qs)
except ValueError:
print()
print('no
')
else:
correct_hn = urlparse(george[qs]).hostname
rf = getenv("HTTP_REFERER",None)
if rf is not None:
our_hn = urlparse(rf).hostname
if our_hn != correct_hn:
print()
print('no
')
sys.exit(0)
l = len(order)
ni = (ind + 1)%l
pi = (ind - 1)%l
n = george[order[ni]]
p = george[order[pi]]
ref = getenv("HTTP_REFERER","the")
print(f"Content-Security-Policy: frame-ancestors {correct_hn} http://{correct_hn};")
print()
print(
f"""
< PREV
The GEORGE is a noble animal.
NEXT >
""")