1 # Copyright (C) 2018 by Ralf Jung
3 # This program is free software; you can redistribute it and/or
4 # modify it under the terms of the GNU General Public License
5 # as published by the Free Software Foundation; either version 2
6 # of the License, or (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program; if not, write to the Free Software
15 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19 from Mailman import Utils
21 def displayhtml(mlist, captchas):
22 """Returns a CAPTCHA question, the HTML for the answer box, and
23 the data to be put into the CSRF token"""
24 idx = random.randrange(len(captchas))
25 question = captchas[idx][0]
26 box_html = mlist.FormatBox('captcha_answer', size=30)
27 return (Utils.websafe(question), box_html, str(idx))
29 def verify(idx, given_answer, captchas):
34 if not idx in range(len(captchas)):
36 # Chec the given answer
37 correct_answers = captchas[idx][1]
38 given_answer = given_answer.strip().lower()
39 return given_answer in map(lambda x: x.strip().lower(), correct_answers)