def ldap_create_user_default(user_info, request):
"""takes the result returned by the :func:`ldap_authenticate`
and returns a :class:`UserAssociation` object
"""
# create new user in local db
user = User()
user.username = user_info.get('django_username', user_info['ldap_username'])
user.set_unusable_password()
user.first_name = user_info['first_name']
user.last_name = user_info['last_name']
user.email = user_info['email']
user.is_staff = False
user.is_superuser = False
user.is_active = True
user.save()
user_registered.send(None, user=user, request=request)
LOG.info('Created New User : [{0}]'.format(user_info['ldap_username']))
assoc = UserAssociation()
assoc.user = user
assoc.openid_url = user_info['ldap_username'] + '@ldap'
assoc.provider_name = 'ldap'
assoc.save()
return assoc
def import_user_logins(self):
"""import user's login methods from OSQA to Askbot"""
for user_login in self.get_objects_for_model('forum.authkeyuserassociation'):
assoc = UserAssociation()
assoc.openid_url = user_login.key
assoc.user = self.get_imported_object_by_old_id(User, user_login.user)
assoc.provider_name = user_login.provider
assoc.last_used_timestamp = user_login.added_at
assoc.save()
def import_user_logins(self):
"""import user's login methods from OSQA to Askbot"""
for user_login in self.get_objects_for_model('forum.authkeyuserassociation'):
assoc = UserAssociation()
assoc.openid_url = user_login.key
assoc.user = self.get_imported_object_by_old_id(User, user_login.user)
assoc.provider_name = user_login.provider
assoc.last_used_timestamp = user_login.added_at
assoc.save()
def cas_get_or_create_user(cas_response):
"""takes the result returned by the :func:`ldap_authenticate`
and returns a :class:`UserAssociation` object
"""
# create new user in local db
try:
logging.debug("Getting user association for %s", cas_response.get('user'))
assoc = UserAssociation.objects.get(
openid_url = cas_response.get('user') + '@ldap',
provider_name = 'ldap'
)
return assoc
except UserAssociation.DoesNotExist:
try:
user = User.objects.get(username=cas_response.get('user'))
except User.DoesNotExist:
user = User()
user.username = cas_response.get('django_username', cas_response.get('user'))
user.set_unusable_password()
user.first_name = cas_response['attributes'].get('firstName', None)
user.last_name = cas_response['attributes'].get('lastName', None)
user.email = cas_response['attributes'].get('email', None)
user.is_staff = False
user.is_superuser = False
user.is_active = True
user.save()
user_registered.send(None, user = user)
logging.debug('Created New User : [{0}]'.format(cas_response.get('user')))
assoc = UserAssociation()
assoc.user = user
assoc.openid_url = cas_response.get('user') + '@ldap'
assoc.provider_name = 'ldap'
assoc.save()
return assoc
def authenticate(
self,
username = None,#for 'password' and 'ldap'
password = None,#for 'password' and 'ldap'
user_id = None,#for 'force'
provider_name = None,#required with all except email_key
openid_url = None,
email_key = None,
oauth_user_id = None,#used with oauth
facebook_user_id = None,#user with facebook
wordpress_url = None, # required for self hosted wordpress
wp_user_id = None, # required for self hosted wordpress
cas_ticket = None, # the CAS ticket
method = None,#requried parameter
):
"""this authentication function supports many login methods
just which method it is going to use it determined
from the signature of the function call
"""
login_providers = util.get_enabled_login_providers()
assoc = None # UserAssociation not needed for ldap
if method == 'password':
if login_providers[provider_name]['type'] != 'password':
raise ImproperlyConfigured('login provider must use password')
if provider_name == 'local':
try:
user = User.objects.get(username=username)
if not user.check_password(password):
return None
except User.DoesNotExist:
try:
email_address = username
user = User.objects.get(email = email_address)
if not user.check_password(password):
return None
except User.DoesNotExist:
return None
except User.MultipleObjectsReturned:
LOG.critical(
('have more than one user with email %s ' +
'he/she will not be able to authenticate with ' +
'the email address in the place of user name') % email_address
)
return None
else:
if login_providers[provider_name]['check_password'](username, password):
try:
#if have user associated with this username and provider,
#return the user
assoc = UserAssociation.objects.get(
openid_url = username + '@' + provider_name,#a hack - par name is bad
provider_name = provider_name
)
return assoc.user
except UserAssociation.DoesNotExist:
#race condition here a user with this name may exist
user, created = User.objects.get_or_create(username = username)
if created:
user.set_password(password)
user.save()
user_registered.send(None, user = user)
else:
#have username collision - so make up a more unique user name
#bug: - if user already exists with the new username - we are in trouble
new_username = '******' % (username, provider_name)
user = User.objects.create_user(new_username, '', password)
user_registered.send(None, user = user)
message = _(
'Welcome! Please set email address (important!) in your '
'profile and adjust screen name, if necessary.'
)
user.message_set.create(message = message)
else:
return None
#this is a catch - make login token a little more unique
#for the cases when passwords are the same for two users
#from the same provider
try:
assoc = UserAssociation.objects.get(
user = user,
provider_name = provider_name
)
except UserAssociation.DoesNotExist:
assoc = UserAssociation(
user = user,
provider_name = provider_name
)
assoc.openid_url = username + '@' + provider_name#has to be this way for external pw logins
elif method == 'openid':
try:
assoc = UserAssociation.objects.get(openid_url=openid_url)
user = assoc.user
except UserAssociation.DoesNotExist:
return None
except UserAssociation.MultipleObjectsReturned:
logging.critical(
'duplicate openid url in the database!!! %s' % openid_url
)
return None
elif method == 'email':
#with this method we do no use user association
try:
#todo: add email_key_timestamp field
#and check key age
user = User.objects.get(email_key = email_key)
user.email_key = None #one time key so delete it
user.email_isvalid = True
user.save()
return user
except User.DoesNotExist:
return None
elif method == 'oauth':
if login_providers[provider_name]['type'] == 'oauth':
try:
assoc = UserAssociation.objects.get(
openid_url = oauth_user_id,
provider_name = provider_name
)
user = assoc.user
except UserAssociation.DoesNotExist:
return None
else:
return None
elif method == 'facebook':
try:
#assert(provider_name == 'facebook')
assoc = UserAssociation.objects.get(
openid_url = facebook_user_id,
provider_name = 'facebook'
)
user = assoc.user
except UserAssociation.DoesNotExist:
return None
elif method == 'ldap':
user_info = ldap_authenticate(username, password)
if user_info['success'] == False:
# Maybe a user created internally (django admin user)
try:
user = User.objects.get(username__exact=username)
if user.check_password(password):
return user
else:
return None
except User.DoesNotExist:
return None
else:
#load user by association or maybe auto-create one
ldap_username = user_info['ldap_username']
try:
#todo: provider_name is hardcoded - possible conflict
assoc = UserAssociation.objects.get(
openid_url = ldap_username + '@ldap',
provider_name = 'ldap'
)
user = assoc.user
except UserAssociation.DoesNotExist:
#email address is required
if 'email' in user_info and askbot_settings.LDAP_AUTOCREATE_USERS:
assoc = ldap_create_user(user_info)
user = assoc.user
else:
return None
elif method == 'cas':
import caslib
cas_response = caslib.cas_serviceValidate(cas_ticket)
success, _user = cas_response.map[cas_response.type].get('user',None)
if success:
try:
assoc = UserAssociation.objects.get(
openid_url = _user + '@ldap',
provider_name = 'ldap'
)
user = assoc.user
except UserAssociation.DoesNotExist:
user = User()
user.username = _user
user.set_unusable_password()
user.is_staff = False
user.is_superuser = False
user.is_active = True
user.save()
user_registered.send(None, user = user)
LOG.info('Created New User : [{0}]'.format(_user))
assoc = UserAssociation()
assoc.user = _user
assoc.openid_url = _user + '@ldap'
assoc.provider_name = 'ldap'
assoc.save()
else:
return None
elif method == 'wordpress_site':
try:
custom_wp_openid_url = '%s?user_id=%s' % (wordpress_url, wp_user_id)
assoc = UserAssociation.objects.get(
openid_url = custom_wp_openid_url,
provider_name = 'wordpress_site'
)
user = assoc.user
except UserAssociation.DoesNotExist:
return None
elif method == 'force':
return self.get_user(user_id)
else:
raise TypeError('only openid and password supported')
if assoc:
#update last used time
assoc.last_used_timestamp = datetime.datetime.now()
assoc.save()
return user
