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middleware.py
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middleware.py
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import json
from django.conf import settings
from django.contrib.auth import authenticate, login
from .models import LOT
class LOTMiddleware(object):
def process_request(self, request):
lot_uuid = request.GET.get(settings.LOT_MIDDLEWARE_PARAM_NAME, None)
if lot_uuid:
try:
lot = LOT.objects.get(uuid=lot_uuid)
except LOT.DoesNotExist:
return None
if not lot.verify():
if lot.delete_on_fail():
lot.delete()
return None
user = authenticate(lot_uuid=lot_uuid)
login(request, user)
try:
session_data = json.loads(lot.session_data)
request.session.update(session_data)
except Exception:
# If not correctly serialized not set the session_data
pass
if lot.is_one_time():
lot.delete()
class LOTAuthenticationMiddleware(object):
'''Authenticate using a Header'''
def process_request(self, request):
try:
token = request.META['HTTP_X_AUTH_TOKEN']
lot = LOT.objects.select_related('user').get(uuid=token)
except (KeyError, LOT.DoesNotExist):
return
if not lot.verify():
if lot.delete_on_fail():
lot.delete()
return None
request.user = lot.user
try:
session_data = json.loads(lot.session_data)
request.session.update(session_data)
except:
pass
if lot.is_one_time():
lot.delete()