24 lines
810 B
Python
24 lines
810 B
Python
from django.utils.functional import SimpleLazyObject
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from c3nav.control.models import UserPermissions
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class UserPermissionsMiddleware:
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"""
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This middleware adds request.user_permissions to get the UserPermissions for the current request/user.
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"""
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def __init__(self, get_response):
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self.get_response = get_response
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def get_user_permissions(self, request):
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try:
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return getattr(request, '_user_permissions_cache')
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except AttributeError:
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pass
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result = UserPermissions.get_for_user(request.user)
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self._user_permissions_cache = result
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return result
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def __call__(self, request):
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request.user_permissions = SimpleLazyObject(lambda: self.get_user_permissions(request))
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return self.get_response(request)
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