kpsul/kfet/backends.py

import hashlib

from django.contrib.auth.models import User, Permission
from gestioncof.models import CofProfile
from kfet.models import Account, GenericTeamToken

class KFetBackend(object):
    def authenticate(self, request):
        password = request.META.get('HTTP_KFETPASSWORD')
        if not password:
            return None

        try:
            password_sha1 = hashlib.sha1(password.encode()).hexdigest()
            account = Account.objects.get(password=password_sha1)
            user = account.cofprofile.user
        except Account.DoesNotExist:
            return None

        return user

class GenericTeamBackend(object):
    def authenticate(self, username=None, token=None):
        valid_token = GenericTeamToken.objects.get(token=token)
        if username == 'kfet_genericteam' and valid_token:
            user, created = User.objects.get_or_create(username='kfet_genericteam')
            perm_is_team = Permission.objects.get(codename='is_team')
            user.user_permissions.add(perm_is_team)
            return user
        return None

    def get_user(self, user_id):
        try:
            return User.objects.get(pk=user_id)
        except User.DoesNotExist:
            return None