def disconnect(self, user, association_id=None):
"""Deletes current backend from user if associated.
Override if extra operations are needed.
"""
if association_id:
UserSocialAuth.get_social_auth_for_user(user).get(id=association_id).delete()
else:
UserSocialAuth.get_social_auth_for_user(user).filter(provider=self.AUTH_BACKEND.name).delete()
def disconnect(self, user, association_id=None):
"""Deletes current backend from user if associated.
Override if extra operations are needed.
"""
if association_id:
UserSocialAuth.get_social_auth_for_user(user)\
.get(id=association_id).delete()
else:
UserSocialAuth.get_social_auth_for_user(user)\
.filter(provider=self.AUTH_BACKEND.name).delete()
def getAssociation(self, server_url, handle=None):
"""Return stored assocition"""
oid_associations = UserSocialAuth.get_oid_associations(server_url,
handle)
associations = [association
for assoc_id, association in oid_associations
if association.getExpiresIn() > 0]
expired = [assoc_id for assoc_id, association in oid_associations
if association.getExpiresIn() == 0]
if expired: # clear expired associations
UserSocialAuth.delete_associations(expired)
if associations: # return most recet association
return associations[0]
def backends_data(user):
"""Return backends data for given user.
Will return a dict with values:
associated: UserSocialAuth model instances for currently
associated accounts
not_associated: Not associated (yet) backend names.
backends: All backend names.
If user is not authenticated, then first list is empty, and there's no
difference between the second and third lists.
"""
available = get_backends().keys()
values = {'associated': [],
'not_associated': available,
'backends': available}
# user comes from request.user usually, on /admin/ it will be an instance
# of auth.User and this code will fail if a custom User model was defined
if hasattr(user, 'is_authenticated') and user.is_authenticated():
associated = UserSocialAuth.get_social_auth_for_user(user)
not_associated = list(set(available) -
set(assoc.provider for assoc in associated))
values['associated'] = associated
values['not_associated'] = not_associated
return values
def backends_data(user):
"""Return backends data for given user.
Will return a dict with values:
associated: UserSocialAuth model instances for currently
associated accounts
not_associated: Not associated (yet) backend names.
backends: All backend names.
If user is not authenticated, then first list is empty, and there's no
difference between the second and third lists.
"""
available = get_backends().keys()
values = {
'associated': [],
'not_associated': available,
'backends': available
}
# user comes from request.user usually, on /admin/ it will be an instance
# of auth.User and this code will fail if a custom User model was defined
if hasattr(user, 'is_authenticated') and user.is_authenticated():
associated = UserSocialAuth.get_social_auth_for_user(user)
not_associated = list(
set(available) - set(assoc.provider for assoc in associated))
values['associated'] = associated
values['not_associated'] = not_associated
return values
def get_username(details, user=None,
user_exists=UserSocialAuth.simple_user_exists,
*args, **kwargs):
"""Return an username for new user. Return current user username
if user was given.
"""
if user:
return {'username': user.username}
if details.get(USERNAME):
username = unicode(details[USERNAME])
else:
username = uuid4().get_hex()
uuid_length = 16
max_length = UserSocialAuth.username_max_length()
short_username = username[:max_length - uuid_length]
final_username = username[:max_length]
# Generate a unique username for current user using username
# as base but adding a unique hash at the end. Original
# username is cut to avoid any field max_length.
while user_exists(username=final_username):
username = short_username + uuid4().get_hex()[:uuid_length]
final_username = username[:max_length]
return {'username': final_username}
def context_value():
keys = get_backends().keys()
accounts = dict(zip(keys, [None] * len(keys)))
user = request.user
if hasattr(user, 'is_authenticated') and user.is_authenticated():
accounts.update((assoc.provider.replace('-', '_'), assoc)
for assoc in UserSocialAuth.get_social_auth_for_user(user))
return accounts
def context_value():
keys = get_backends().keys()
accounts = dict(zip(keys, [None] * len(keys)))
user = request.user
if hasattr(user, 'is_authenticated') and user.is_authenticated():
accounts.update(
(assoc.provider.replace('-', '_'), assoc)
for assoc in UserSocialAuth.get_social_auth_for_user(user))
return accounts
def getAssociation(self, server_url, handle=None):
"""Return stored assocition"""
oid_associations = UserSocialAuth.get_oid_associations(
server_url, handle)
associations = [
association for assoc_id, association in oid_associations
if association.getExpiresIn() > 0
]
expired = [
assoc_id for assoc_id, association in oid_associations
if association.getExpiresIn() == 0
]
if expired: # clear expired associations
UserSocialAuth.delete_associations(expired)
if associations: # return most reset association
return associations[0]
def create_user(backend, details, response, uid, username, user=None, *args,
**kwargs):
"""Create user. Depends on get_username pipeline."""
if user:
return {'user': user}
if not username:
return None
email = details.get('email') or None
return {
'user': UserSocialAuth.create_user(username=username, email=email),
'is_new': True
}
def social_auth_user(backend, uid, user=None, *args, **kwargs):
"""Return UserSocialAuth account for backend/uid pair or None if it
doesn't exists.
Raise AuthException if UserSocialAuth entry belongs to another user.
"""
social_user = UserSocialAuth.get_social_auth(backend.name, uid)
if social_user:
if user and social_user.user != user:
msg = ugettext('This %(provider)s account already in use.')
raise AuthException(backend, msg % {'provider': backend.name})
elif not user:
user = social_user.user
return {'social_user': social_user, 'user': user}
def associate_user(backend, user, uid, social_user=None, *args, **kwargs):
"""Associate user social account with user instance."""
if social_user:
return None
try:
social = UserSocialAuth.create_social_auth(user, uid, backend.name)
except IntegrityError:
# Protect for possible race condition, those bastard with FTL
# clicking capabilities, check issue #131:
# https://github.com/omab/django-social-auth/issues/131
return social_auth_user(backend, uid, user, social_user=social_user,
*args, **kwargs)
else:
return {'social_user': social, 'user': social.user}
def associate_by_email(details, user=None, *args, **kwargs):
"""Return user entry with same email address as one returned on details."""
if user:
return None
email = details.get('email')
if email:
# try to associate accounts registered with the same email address,
# only if it's a single object. AuthException is raised if multiple
# objects are returned
try:
return {'user': UserSocialAuth.get_user_by_email(email=email)}
except MultipleObjectsReturned:
raise AuthException(kwargs['backend'], 'Not unique email address.')
except ObjectDoesNotExist:
pass
def useNonce(self, server_url, timestamp, salt):
"""Generate one use number and return *if* it was created"""
if abs(timestamp - time.time()) > SKEW:
return False
return UserSocialAuth.use_nonce(server_url, timestamp, salt)
def get_user(self, user_id):
"""
Return user with given ID from the User model used by this backend
"""
return UserSocialAuth.get_user(user_id)
def storeAssociation(self, server_url, association):
"""Store new assocition if doesn't exist"""
UserSocialAuth.store_association(server_url, association)
def useNonce(self, server_url, timestamp, salt):
"""Generate one use number and return *if* it was created"""
if abs(timestamp - time.time()) > SKEW:
return False
return UserSocialAuth.use_nonce(server_url, timestamp, salt)
def get_user(self, user_id):
"""
Return user with given ID from the User model used by this backend
"""
return UserSocialAuth.get_user(user_id)
def storeAssociation(self, server_url, association):
"""Store new assocition if doesn't exist"""
UserSocialAuth.store_association(server_url, association)
