async def get_user(scope: Dict[str, Any]) -> Dict[str, Any]:
"""
Returns a user id from a channels-scope-session.
If no user is retrieved, return {'id': 0}.
"""
# This code is basicly from channels.auth:
# https://github.com/django/channels/blob/d5e81a78e96770127da79248349808b6ee6ec2a7/channels/auth.py#L16
if "session" not in scope:
raise ValueError(
"Cannot find session in scope. You should wrap your consumer in SessionMiddleware."
)
session = scope["session"]
user: Optional[Dict[str, Any]] = None
try:
user_id = _get_user_session_key(session)
backend_path = session[BACKEND_SESSION_KEY]
except KeyError:
pass
else:
if backend_path in settings.AUTHENTICATION_BACKENDS:
user = await element_cache.get_element_full_data("users/user", user_id)
if user:
# Verify the session
session_hash = session.get(HASH_SESSION_KEY)
session_hash_verified = session_hash and constant_time_compare(
session_hash, user["session_auth_hash"]
)
if not session_hash_verified:
session.flush()
user = None
return user or {"id": 0}
async def get_user(scope: Dict[str, Any]) -> Dict[str, Any]:
"""
Returns a user id from a channels-scope-session.
If no user is retrieved, return {'id': 0}.
"""
# This code is basicly from channels.auth:
# https://github.com/django/channels/blob/d5e81a78e96770127da79248349808b6ee6ec2a7/channels/auth.py#L16
if "session" not in scope:
raise ValueError(
"Cannot find session in scope. You should wrap your consumer in SessionMiddleware."
)
session = scope["session"]
user: Optional[Dict[str, Any]] = None
try:
user_id = _get_user_session_key(session)
backend_path = session[BACKEND_SESSION_KEY]
except KeyError:
pass
else:
if backend_path in settings.AUTHENTICATION_BACKENDS:
user = await element_cache.get_element_full_data(
"users/user", user_id)
if user:
# Verify the session
session_hash = session.get(HASH_SESSION_KEY)
session_hash_verified = session_hash and constant_time_compare(
session_hash, user["session_auth_hash"])
if not session_hash_verified:
session.flush()
user = None
return user or {"id": 0}
def get_user(scope):
"""
Return the user model instance associated with the given scope.
If no user is retrieved, return an instance of `AnonymousUser`.
"""
if "session" not in scope:
raise ValueError(
"Cannot find session in scope. You should wrap your consumer in SessionMiddleware."
)
user = None
session = scope["session"]
with scope["tenant"]:
try:
user_id = _get_user_session_key(session)
backend_path = session[BACKEND_SESSION_KEY]
except KeyError:
pass
else:
if backend_path in settings.AUTHENTICATION_BACKENDS:
backend = load_backend(backend_path)
user = backend.get_user(user_id)
# Verify the session
if hasattr(user, "get_session_auth_hash"):
session_hash = session.get(HASH_SESSION_KEY)
session_hash_verified = session_hash and constant_time_compare(
session_hash, user.get_session_auth_hash())
if not session_hash_verified:
session.flush()
user = None
return user or AnonymousUser()
async def get_user(
scope: Dict[str, Any]) -> Union[CollectionElement, AnonymousUser]:
"""
Returns a User-CollectionElement from a channels-scope-session.
If no user is retrieved, return AnonymousUser.
"""
# This can not return None because a LazyObject can not become None
# This code is basicly from channels.auth:
# https://github.com/django/channels/blob/d5e81a78e96770127da79248349808b6ee6ec2a7/channels/auth.py#L16
if "session" not in scope:
raise ValueError(
"Cannot find session in scope. You should wrap your consumer in SessionMiddleware."
)
session = scope["session"]
user = None
try:
user_id = _get_user_session_key(session)
backend_path = session[BACKEND_SESSION_KEY]
except KeyError:
pass
else:
if backend_path in settings.AUTHENTICATION_BACKENDS:
user = await element_cache.get_element_full_data(
"users/user", user_id)
if user is not None:
# Verify the session
session_hash = session.get(HASH_SESSION_KEY)
session_hash_verified = session_hash and constant_time_compare(
session_hash, user['session_auth_hash'])
if not session_hash_verified:
session.flush()
user = None
return CollectionElement.from_values(
"users/user", user_id, full_data=user) if user else AnonymousUser()