mirror of
https://gitlab.crans.org/bde/nk20
synced 2024-12-23 07:52:23 +00:00
Merge branch 'patch_passwords' into 'import_nk15'
Import NK15 passwords See merge request bde/nk20!12
This commit is contained in:
commit
8feb2ec52a
27
apps/member/hashers.py
Normal file
27
apps/member/hashers.py
Normal file
@ -0,0 +1,27 @@
|
||||
# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
|
||||
# SPDX-License-Identifier: GPL-3.0-or-later
|
||||
|
||||
import hashlib
|
||||
|
||||
from django.contrib.auth.hashers import PBKDF2PasswordHasher
|
||||
from django.utils.crypto import constant_time_compare
|
||||
|
||||
|
||||
class CustomNK15Hasher(PBKDF2PasswordHasher):
|
||||
"""
|
||||
Permet d'importer les mots de passe depuis la Note KFet 2015.
|
||||
Si un hash de mot de passe est de la forme :
|
||||
`custom_nk15$<NB>$<ENCODED>`
|
||||
où <NB> est un entier quelconque (symbolisant normalement un nombre d'itérations)
|
||||
et <ENCODED> le hash du mot de passe dans la Note Kfet 2015,
|
||||
alors ce hasher va vérifier le mot de passe.
|
||||
N'ayant pas la priorité (cf note_kfet/settings/base.py), le mot de passe sera
|
||||
converti automatiquement avec l'algorithme PBKDF2.
|
||||
"""
|
||||
algorithm = "custom_nk15"
|
||||
|
||||
def verify(self, password, encoded):
|
||||
if '|' in encoded:
|
||||
salt, db_hashed_pass = encoded.split('$')[2].split('|')
|
||||
return constant_time_compare(hashlib.sha256((salt + password).encode("utf-8")).hexdigest(), db_hashed_pass)
|
||||
return super().verify(password, encoded)
|
@ -110,6 +110,12 @@ AUTH_PASSWORD_VALIDATORS = [
|
||||
},
|
||||
]
|
||||
|
||||
# Use our custom hasher in order to import NK15 passwords
|
||||
PASSWORD_HASHERS = [
|
||||
'django.contrib.auth.hashers.PBKDF2PasswordHasher',
|
||||
'member.hashers.CustomNK15Hasher',
|
||||
]
|
||||
|
||||
# Django Guardian object permissions
|
||||
|
||||
AUTHENTICATION_BACKENDS = (
|
||||
|
Loading…
Reference in New Issue
Block a user