"""Identity policy for storing info into aiohttp_session session.
aiohttp_session.setup() should be called on application initialization
to configure aiohttp_session properly.
"""
try:
from aiohttp_session import get_session
HAS_AIOHTTP_SESSION = True
except ImportError: # pragma: no cover
HAS_AIOHTTP_SESSION = False
from .abc import AbstractIdentityPolicy
class SessionIdentityPolicy(AbstractIdentityPolicy):
def __init__(self, session_key='AIOHTTP_SECURITY'):
self._session_key = session_key
if not HAS_AIOHTTP_SESSION: # pragma: no cover
raise ImportError(
'SessionIdentityPolicy requires `aiohttp_session`')
async def identify(self, request):
session = await get_session(request)
return session.get(self._session_key)
async def remember(self, request, response, identity, **kwargs):
session = await get_session(request)
session[self._session_key] = identity
async def forget(self, request, response):
session = await get_session(request)
session.pop(self._session_key, None)
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