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72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
from __future__ import absolute_import
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from django.contrib.auth.backends import RemoteUserBackend
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from zerver.models import UserProfile, get_user_profile_by_id, \
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get_user_profile_by_email, remote_user_to_email
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from openid.consumer.consumer import SUCCESS
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class ZulipAuthMixin(object):
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def get_user(self, user_profile_id):
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""" Get a UserProfile object from the user_profile_id. """
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try:
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return get_user_profile_by_id(user_profile_id)
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except UserProfile.DoesNotExist:
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return None
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class EmailAuthBackend(ZulipAuthMixin):
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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_profile = get_user_profile_by_email(username)
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if user_profile.check_password(password):
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return user_profile
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except UserProfile.DoesNotExist:
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return None
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# Adapted from http://djangosnippets.org/snippets/2183/ by user Hangya (September 1, 2010)
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class GoogleBackend(ZulipAuthMixin):
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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_profile = get_user_profile_by_email(google_email)
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except UserProfile.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_profile
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class ZulipRemoteUserBackend(RemoteUserBackend):
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create_unknown_user = False
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def authenticate(self, remote_user):
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if not remote_user:
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return
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email = remote_user_to_email(remote_user)
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try:
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return get_user_profile_by_email(email)
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except UserProfile.DoesNotExist:
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return None
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