49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
from django.conf import settings
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from django.contrib.sessions.models import Session
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from django.contrib.sessions.backends.base import SessionBase
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from django.core.exceptions import SuspiciousOperation
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import datetime
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class SessionStore(SessionBase):
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"""
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Implements database session store
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"""
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def __init__(self, session_key=None):
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super(SessionStore, self).__init__(session_key)
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def load(self):
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try:
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s = Session.objects.get(
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session_key = self.session_key,
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expire_date__gt=datetime.datetime.now()
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)
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return self.decode(s.session_data)
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except (Session.DoesNotExist, SuspiciousOperation):
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# Create a new session_key for extra security.
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self.session_key = self._get_new_session_key()
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self._session_cache = {}
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# Save immediately to minimize collision
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self.save()
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return {}
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def exists(self, session_key):
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try:
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Session.objects.get(session_key=session_key)
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except Session.DoesNotExist:
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return False
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return True
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def save(self):
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Session.objects.create(
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session_key = self.session_key,
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session_data = self.encode(self._session),
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expire_date = datetime.datetime.now() + datetime.timedelta(seconds=settings.SESSION_COOKIE_AGE)
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)
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def delete(self, session_key):
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try:
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Session.objects.get(session_key=session_key).delete()
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except Session.DoesNotExist:
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pass |