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34 lines
1.0 KiB
Python
34 lines
1.0 KiB
Python
"""
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Permission mixins for views relating to :class:`Person`s.
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"""
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from django.contrib.auth.mixins import UserPassesTestMixin
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from . import models
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class UserIsLinkedPersonMixin(UserPassesTestMixin):
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"""
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Grant access if the user is staff or has a :class:`Person` record and
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this is the one referred to in the view.
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"""
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related_person_field = None
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permission_denied_message = 'You do not have permission to view this page.'
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def get_test_person(self) -> models.Person:
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"""
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Get the :class:`Person` to test the user against.
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"""
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if self.related_person_field is None:
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test_person = self.get_object()
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if not isinstance(test_person, models.Person):
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raise AttributeError('View incorrectly configured: \'related_person_field\' must be defined.')
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return test_person
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return getattr(self.get_object(), self.related_person_field)
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def test_func(self) -> bool:
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return self.request.user.is_staff or self.get_test_person() == self.request.user.person
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