zulip/zerver/management/commands/change_password.py

73 lines
2.5 KiB
Python

import getpass
from argparse import ArgumentParser
from typing import Any, List
from django.contrib.auth.password_validation import validate_password
from django.core.exceptions import ValidationError
from django.core.management.base import CommandError
from typing_extensions import override
from zerver.lib.management import ZulipBaseCommand
class Command(ZulipBaseCommand):
# This is our version of the original Django changepassword command adjusted
# to be able to find UserProfiles by email+realm.
# We change the arguments the command takes to fit our
# model of username+realm and change accordingly the
# logic inside the handle method which fetches the user
# from the database. The rest of the logic remains unchanged.
help = "Change a user's password."
requires_migrations_checks = True
requires_system_checks: List[str] = []
def _get_pass(self, prompt: str = "Password: ") -> str:
p = getpass.getpass(prompt=prompt)
if not p:
raise CommandError("aborted")
return p
@override
def add_arguments(self, parser: ArgumentParser) -> None:
parser.add_argument("email", metavar="<email>", help="email of user to change role")
self.add_realm_args(parser, required=True)
@override
def handle(self, *args: Any, **options: Any) -> str:
email = options["email"]
realm = self.get_realm(options)
u = self.get_user(email, realm)
# Code below is taken from the Django version of this command:
self.stdout.write(f"Changing password for user '{u}'")
MAX_TRIES = 3
count = 0
p1, p2 = "1", "2" # To make them initially mismatch.
password_validated = False
while (p1 != p2 or not password_validated) 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.")
count += 1
# Don't validate passwords that don't match.
continue
try:
validate_password(p2, u)
except ValidationError as err:
self.stderr.write("\n".join(err.messages))
count += 1
else:
password_validated = True
if count == MAX_TRIES:
raise CommandError(f"Aborting password change for user '{u}' after {count} attempts")
u.set_password(p1)
u.save()
return f"Password changed successfully for user '{u}'"