study_20241026/beginning-python-3ed-master/Chapter25/listing25-3.py

#!/usr/bin/env python

print('Content-type: text/html\n')

from os.path import join, abspath
from hashlib import sha1
import cgi, sys

BASE_DIR = abspath('data')

form = cgi.FieldStorage()

text = form.getvalue('text')
filename = form.getvalue('filename')
password = form.getvalue('password')

if not (filename and text and password):
     print('Invalid parameters.')
     sys.exit()

if sha1(password.encode()).hexdigest() != '8843d7f92416211de9ebb963ff4ce28125932878':
     print('Invalid password')
     sys.exit()

f = open(join(BASE_DIR,filename), 'w')
f.write(text)
f.close()

print('The file has been saved.')