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Update middleware with total_seconds. #1

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Update middleware with total_seconds. #1

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28 changes: 15 additions & 13 deletions sessions/middleware.py
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Original file line number Diff line number Diff line change
@@ -1,24 +1,26 @@
import datetime

from django.conf import settings

from django.contrib.auth import logout
from django.contrib import messages
import datetime

import settings

class SessionIdleTimeout:
"""Middleware class to timeout a session after a specified time period.
"""
Middleware class to timeout a session after a specified time period.
"""
def process_request(self, request):
# Timeout is done only for authenticated logged in users.
if request.user.is_authenticated():
current_datetime = datetime.datetime.now()

# Timeout if idle time period is exceeded.
if request.session.has_key('last_activity') and \
(current_datetime - request.session['last_activity']).seconds > \
settings.SESSION_IDLE_TIMEOUT:
now = datetime.datetime.now()

last_activity = request.session.get('last_activity', now)
since = datetime.timedelta.total_seconds(now - last_activity)
expired = since > settings.SESSION_IDLE_TIMEOUT

if expired:
logout(request)
messages.add_message(request, messages.ERROR, 'Your session has been timed out.')
# Set last activity time in current session.
messages.error(request, 'Your session has been timed out.')
else:
request.session['last_activity'] = current_datetime
request.session['last_activity'] = now
return None