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auquotidien/auquotidien/modules/saml2.py

90 lines
3.6 KiB
Python

try:
import lasso
except ImportError:
pass
from wcs.qommon import get_cfg, get_logger
import wcs.qommon.saml2
class Saml2Directory(wcs.qommon.saml2.Saml2Directory):
def extract_attributes(self, session, login):
'''Separate attributes as two dictionaries: one for last value, one for
the list of values.'''
d = {}
m = {}
lasso_session = lasso.Session.newFromDump(session.lasso_session_dump)
try:
assertion = lasso_session.getAssertions(None)[0]
except:
get_logger().warn('failed to lookup assertion')
return d, m
try:
for attribute in assertion.attributeStatement[0].attribute:
try:
d[attribute.name] = attribute.attributeValue[0].any[0].content
for attribute_value in attribute.attributeValue:
l = m.setdefault(attribute.name, [])
l.append(attribute_value.any[0].content)
except IndexError:
pass
except IndexError:
pass
return d, m
def fill_user_attributes(self, session, login, user):
wcs.qommon.saml2.Saml2Directory.fill_user_attributes(self, session, login, user)
idp = wcs.qommon.saml2.get_remote_provider_cfg(login)
if not idp.get('attribute-mapping'):
self.legacy_fill_user_attributes(session, login, user)
def legacy_fill_user_attributes(self, session, login, user):
'''Fill fields using a legacy attribute to field varname mapping'''
d, m = self.extract_attributes(session, login)
users_cfg = get_cfg('users', {}) or {}
get_logger().debug('using legacy attribute filling')
# standard attributes
user.name = d.get('cn')
user.email = d.get('mail')
# email field
field_email = users_cfg.get('field_email')
if field_email:
user.form_data[field_email] = d.get('mail') or d.get('email')
# name field, this only works if there's a single field for the name
field_name_values = users_cfg.get('field_name')
if field_name_values:
if type(field_name_values) is str: # it was a string in previous versions
field_name_values = [field_name_values]
if len(field_name_values) == 1:
user.form_data[field_name_values[0]] = d.get('cn')
# other fields, matching is done on known LDAP attribute names and
# common variable names
extra_field_mappings = [
('gn', ('firstname', 'prenom')),
('givenName', ('firstname', 'prenom')),
('surname', ('surname', 'name', 'nom',)),
('sn', ('surname', 'name', 'nom',)),
('personalTitle', ('personalTitle', 'civilite',)),
('l', ('location', 'commune', 'ville',)),
('streetAddress', ('streetAddress', 'address', 'adresse', 'street',)),
('street', ('streetAddress', 'address', 'adresse', 'street',)),
('postalCode', ('postalCode', 'codepostal', 'cp',)),
('telephoneNumber', ('telephoneNumber', 'telephonefixe', 'telephone',)),
('mobile', ('mobile', 'telephonemobile',)),
('faxNumber', ('faxNumber', 'fax')),
]
for attribute_key, field_varnames in extra_field_mappings:
if not attribute_key in d:
continue
for field in user.get_formdef().fields:
if field.varname in field_varnames:
user.form_data[field.id] = d.get(attribute_key)