Mercurial > piecrust2

comparison foodtruck/bcryptfallback.py @ 640:59968ee07a07

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
admin: Don't require `bcrypt` for running FoodTruck with `chef`.
author Ludovic Chabant <ludovic@chabant.com>
date Sun, 14 Feb 2016 22:06:32 -0800
parents
children 3885421c29a3
comparison
equal deleted inserted replaced
639:91dd760950ad 640:59968ee07a07
1 import hashlib
2 import logging
3
4
5 print_warning = False
6 logger = logging.getLogger(__name__)
7
8
9 try:
10 from bcrypt import hashpw, gensalt
11 except ImportError:
12 print_warning = True
13
14 def hashpw(password, *args, **kwargs):
15 return hashlib.sha512(password).hexdigest().encode('utf8')
16
17 def gensalt(*args, **kwargs):
18 return b''
19
20
21 try:
22 from flask.ext.bcrypt import Bcrypt
23 except ImportError:
24 print_warning = True
25
26 def generate_password_hash(password):
27 return hashlib.sha512(password.encode('utf8')).hexdigest()
28
29 def check_password_hash(reference, check):
30 check_hash = hashlib.sha512(check.encode('utf8')).hexdigest()
31 return check_hash == reference
32
33 class SHA512Fallback(object):
34 is_fallback_bcrypt = True
35
36 def __init__(self, app=None):
37 self.generate_password_hash = generate_password_hash
38 self.check_password_hash = check_password_hash
39
40 Bcrypt = SHA512Fallback
41
42
43 if print_warning:
44 logging.warning("Bcrypt not available... falling back to SHA512.")
45 logging.warning("Run `pip install Flask-Bcrypt` for more secure "
46 "password hashing.")
47