29 lines
906 B
Python
29 lines
906 B
Python
from django.contrib.auth import get_user_model
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from django.contrib.auth.backends import ModelBackend
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from django.db.models import Q
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User = get_user_model()
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class MultiFieldBackend(ModelBackend):
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"""
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Authenticate against username, email, or phone_number.
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Used for password-based login where the user can enter any of the three.
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"""
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def authenticate(self, request, username=None, password=None, **kwargs):
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if username is None or password is None:
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return None
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try:
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user = User.objects.get(
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Q(username=username) | Q(email=username) | Q(phone_number=username)
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)
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except (User.DoesNotExist, User.MultipleObjectsReturned):
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User().set_password(password)
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return None
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if user.check_password(password) and self.user_can_authenticate(user):
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return user
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return None
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