Commit 8343478a authored by chirac's avatar chirac

Vue de modification du mdp

parent 5d81cbdd
# -*- coding: utf-8 -*-
# Module d'authentification
# David Sinquin, Gabriel Détraz, Goulven Kermarec
import hashlib, binascii
import os
from base64 import urlsafe_b64encode as encode
from base64 import urlsafe_b64decode as decode
def makeSecret(password):
salt = os.urandom(4)
h = hashlib.sha1(password.encode())
h.update(salt)
return "{SSHA}" + encode(h.digest() + salt).decode()
def hashNT(password):
hash = hashlib.new('md4', password.encode()).digest()
return binascii.hexlify(hash)
def checkPassword(challenge_password, password):
challenge_bytes = decode(challenge_password[6:])
digest = challenge_bytes[:20]
salt = challenge_bytes[20:]
hr = hashlib.sha1(password.encode())
hr.update(salt)
valid_password = True
# La comparaison est volontairement en temps constant (pour éviter les timing-attacks)
for i, j in zip(digest, hr.digest()):
valid_password &= i == j
return valid_password
......@@ -5,4 +5,5 @@ from django import forms
class PassForm(forms.Form):
passwd = forms.CharField(label=u'Nouveau mot de passe', max_length=255, widget=forms.PasswordInput)
passwd1 = forms.CharField(label=u'Nouveau mot de passe', max_length=255, widget=forms.PasswordInput)
passwd2 = forms.CharField(label=u'Saisir à nouveau le mot de passe', max_length=255, widget=forms.PasswordInput)
......@@ -10,6 +10,8 @@ from django.contrib import messages
from users.models import User, UserForm, InfoForm, PasswordForm, StateForm
from users.forms import PassForm
from re2o.login import makeSecret, hashNT
def form(ctx, template, request):
c = ctx
c.update(csrf(request))
......@@ -55,7 +57,13 @@ def password(request, userid):
return redirect("/users/")
user_form = PassForm(request.POST or None)
if user_form.is_valid():
user.pwd_ssha = user_form.cleaned_data['passwd']
user.pwd_ntlm = user_form.cleaned_data['passwd']
if user_form.cleaned_data['passwd1'] != user_form.cleaned_data['passwd2']:
messages.error(request, u"Les 2 mots de passe différent" )
return form({'userform': user_form}, 'users/user.html', request)
user.pwd_ssha = makeSecret(user_form.cleaned_data['passwd1'])
user.pwd_ntlm = hashNT(user_form.cleaned_data['passwd1'])
user.save()
return form({'userform': user_form}, 'users/user.html', request)
def index(request):
return render(request, 'users/index.html')
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