mirror of https://github.com/zulip/zulip.git
67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
from django.contrib.auth.models import User
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from django.conf import settings
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from openid.consumer.consumer import SUCCESS
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from zephyr.lib.cache import cache_with_key
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from zephyr.lib.cache import user_by_id_cache_key
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@cache_with_key(user_by_id_cache_key)
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def get_user_by_id(user_id):
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try:
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return User.objects.select_related().get(id=user_id)
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except User.DoesNotExist:
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return None
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class EmailAuthBackend(object):
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"""
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Email Authentication Backend
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Allows a user to sign in using an email/password pair rather than
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a username/password pair.
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"""
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def authenticate(self, username=None, password=None):
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""" Authenticate a user based on email address as the user name. """
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if username is None or password is None:
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# Return immediately. Otherwise we will look for a SQL row with
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# NULL username. While that's probably harmless, it's needless
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# exposure.
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return None
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try:
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user = User.objects.get(email__iexact=username)
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if user.check_password(password):
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return user
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except User.DoesNotExist:
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return None
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def get_user(self, user_id):
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""" Get a User object from the user_id. """
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return get_user_by_id(user_id)
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# Adapted from http://djangosnippets.org/snippets/2183/ by user Hangya (September 1, 2010)
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class GoogleBackend:
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def authenticate(self, openid_response):
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if openid_response is None:
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return None
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if openid_response.status != SUCCESS:
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return None
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google_email = openid_response.getSigned('http://openid.net/srv/ax/1.0', 'value.email')
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try:
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user = User.objects.get(email__iexact=google_email)
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except User.DoesNotExist:
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# create a new user, or send a message to admins, etc.
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return None
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return user
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def get_user(self, user_id):
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try:
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return User.objects.get(id=user_id)
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except User.DoesNotExist:
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return None
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