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'''
Created on Dec 13, 2010
@author: leifj
'''
from django.core.exceptions import ImproperlyConfigured
from coip.apps.userprofile.models import UserProfile
class UserMappingMiddleware(object):
'''
Middleware for supporting merged and mapped user identities
'''
def process_request(self,request):
if hasattr(request,'user'):
raise ImproperlyConfigured("Place before RemoteUserMiddleware")
username = request.META['REMOTE_USER']
qs = UserProfile.objects.filter(user__username=username,primary=True)
if qs:
profile = qs[0]
username = profile.identifier
request.META['REMOTE_USER'] = username
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