zulip/humbug/backends.py

61 lines
2.0 KiB
Python

from zephyr.models import UserProfile, get_user_profile_by_id, \
get_user_profile_by_email
from openid.consumer.consumer import SUCCESS
class EmailAuthBackend(object):
"""
Email Authentication Backend
Allows a user to sign in using an email/password pair rather than
a username/password pair.
"""
def authenticate(self, username=None, password=None):
""" Authenticate a user based on email address as the user name. """
if username is None or password is None:
# Return immediately. Otherwise we will look for a SQL row with
# NULL username. While that's probably harmless, it's needless
# exposure.
return None
try:
user_profile = get_user_profile_by_email(username)
if user_profile.check_password(password):
return user_profile
except UserProfile.DoesNotExist:
return None
def get_user(self, user_profile_id):
""" Get a UserProfile object from the user_profile_id. """
try:
return get_user_profile_by_id(user_profile_id)
except UserProfile.DoesNotExist:
return None
# Adapted from http://djangosnippets.org/snippets/2183/ by user Hangya (September 1, 2010)
class GoogleBackend(object):
def authenticate(self, openid_response):
if openid_response is None:
return None
if openid_response.status != SUCCESS:
return None
google_email = openid_response.getSigned('http://openid.net/srv/ax/1.0', 'value.email')
try:
user_profile = get_user_profile_by_email(google_email)
except UserProfile.DoesNotExist:
# create a new user, or send a message to admins, etc.
return None
return user_profile
def get_user(self, user_profile_id):
""" Get a UserProfile object from the user_profile_id. """
try:
return get_user_profile_by_id(user_profile_id)
except UserProfile.DoesNotExist:
return None