zulip/zerver/lib/sessions.py

57 lines
2.2 KiB
Python

import logging
from django.conf import settings
from django.contrib.auth import SESSION_KEY, get_user_model
from django.contrib.sessions.models import Session
from django.utils.timezone import now as timezone_now
from importlib import import_module
from typing import List, Mapping, Optional, Text
from zerver.models import Realm, UserProfile, get_user_profile_by_id
session_engine = import_module(settings.SESSION_ENGINE)
def get_session_dict_user(session_dict: Mapping[Text, int]) -> Optional[int]:
# Compare django.contrib.auth._get_user_session_key
try:
return get_user_model()._meta.pk.to_python(session_dict[SESSION_KEY])
except KeyError:
return None
def get_session_user(session: Session) -> Optional[int]:
return get_session_dict_user(session.get_decoded())
def user_sessions(user_profile: UserProfile) -> List[Session]:
return [s for s in Session.objects.all()
if get_session_user(s) == user_profile.id]
def delete_session(session: Session) -> None:
session_engine.SessionStore(session.session_key).delete() # type: ignore # import_module
def delete_user_sessions(user_profile: UserProfile) -> None:
for session in Session.objects.all():
if get_session_user(session) == user_profile.id:
delete_session(session)
def delete_realm_user_sessions(realm: Realm) -> None:
realm_user_ids = [user_profile.id for user_profile in
UserProfile.objects.filter(realm=realm)]
for session in Session.objects.filter(expire_date__gte=timezone_now()):
if get_session_user(session) in realm_user_ids:
delete_session(session)
def delete_all_user_sessions() -> None:
for session in Session.objects.all():
delete_session(session)
def delete_all_deactivated_user_sessions() -> None:
for session in Session.objects.all():
user_profile_id = get_session_user(session)
if user_profile_id is None:
continue
user_profile = get_user_profile_by_id(user_profile_id)
if not user_profile.is_active or user_profile.realm.deactivated:
logging.info("Deactivating session for deactivated user %s" % (user_profile.email,))
delete_session(session)