authentic/src/authentic2/custom_user/management/commands/changepassword.py

102 lines
3.5 KiB
Python

# authentic2 - versatile identity manager
# Copyright (C) 2010-2019 Entr'ouvert
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import getpass
from django.contrib.auth import get_user_model
from django.core.exceptions import MultipleObjectsReturned
from django.core.management.base import BaseCommand, CommandError
from django.db import DEFAULT_DB_ALIAS
from django.db.models.query import Q
from django.utils.encoding import force_str
class Command(BaseCommand):
help = "Change a user's password for django.contrib.auth."
requires_system_checks = False
def add_arguments(self, parser):
parser.add_argument('username', nargs='?', type=str)
parser.add_argument(
'--database',
action='store',
dest='database',
default=DEFAULT_DB_ALIAS,
help='Specifies the database to use. Default is "default".',
)
def _get_pass(self, prompt="Password: "):
p = getpass.getpass(prompt=force_str(prompt))
if not p:
raise CommandError("aborted")
return p
def handle(self, *args, **options):
username = options['username']
if not username:
username = getpass.getuser()
UserModel = get_user_model()
qs = UserModel._default_manager.using(options.get('database'))
qs = qs.filter(Q(uuid=username) | Q(username=username) | Q(email=username))
try:
u = qs.get()
except UserModel.DoesNotExist:
raise CommandError("user '%s' does not exist" % username)
except MultipleObjectsReturned:
while True:
print('Select a user:')
for i, user in enumerate(qs):
print('%d.' % (i + 1), user)
print('> ', end=' ')
try:
j = input()
except SyntaxError:
print('Please enter an integer')
continue
if not isinstance(j, int):
print('Please enter an integer')
continue
try:
u = qs[j - 1]
break
except IndexError:
print('Please enter an integer between 1 and %d' % qs.count())
continue
self.stdout.write("Changing password for user '%s'\n" % u)
MAX_TRIES = 3
count = 0
p1, p2 = 1, 2 # To make them initially mismatch.
while p1 != p2 and count < MAX_TRIES:
p1 = self._get_pass()
p2 = self._get_pass("Password (again): ")
if p1 != p2:
self.stdout.write("Passwords do not match. Please try again.\n")
count = count + 1
if count == MAX_TRIES:
raise CommandError("Aborting password change for user '%s' after %s attempts" % (u, count))
u.set_password(p1)
u.save()
return "Password changed successfully for user '%s'" % u