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69 lines
2.1 KiB
69 lines
2.1 KiB
import time
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from threading import Thread
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from django.conf import settings
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from django.contrib.auth import logout
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from django.contrib.auth.models import AnonymousUser
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from rest_framework import generics
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from rest_framework import status
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from rest_framework.response import Response
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from common.sessions.cache import user_session_manager
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from common.utils import get_logger
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__all__ = ['UserSessionApi']
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logger = get_logger(__name__)
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class UserSessionManager:
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def __init__(self, request):
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self.request = request
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self.session = request.session
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def connect(self):
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user_session_manager.add_or_increment(self.session.session_key)
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def disconnect(self):
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user_session_manager.decrement(self.session.session_key)
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if self.should_delete_session():
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thread = Thread(target=self.delay_delete_session)
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thread.start()
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def should_delete_session(self):
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return (self.session.modified or settings.SESSION_SAVE_EVERY_REQUEST) and \
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not self.session.is_empty() and \
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self.session.get_expire_at_browser_close() and \
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not user_session_manager.check_active(self.session.session_key)
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def delay_delete_session(self):
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timeout = 6
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check_interval = 0.5
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start_time = time.time()
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while time.time() - start_time < timeout:
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time.sleep(check_interval)
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if user_session_manager.check_active(self.session.session_key):
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return
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logout(self.request)
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class UserSessionApi(generics.RetrieveDestroyAPIView):
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permission_classes = ()
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def retrieve(self, request, *args, **kwargs):
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if isinstance(request.user, AnonymousUser):
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return Response(status=status.HTTP_200_OK)
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UserSessionManager(request).connect()
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return Response(status=status.HTTP_200_OK)
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def destroy(self, request, *args, **kwargs):
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if isinstance(request.user, AnonymousUser):
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return Response(status=status.HTTP_200_OK)
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UserSessionManager(request).disconnect()
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return Response(status=status.HTTP_204_NO_CONTENT)
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