from ipsilon.providers.saml2.provider import InvalidProviderId
from ipsilon.providers.saml2.provider import NameIdNotAllowed
from ipsilon.util.user import UserSession
+from ipsilon.util.trans import Transaction
import cherrypy
import datetime
import lasso
def __init__(self, *args, **kwargs):
super(AuthenticateRequest, self).__init__(*args, **kwargs)
- self.STAGE_INIT = 0
- self.STAGE_AUTH = 1
- self.stage = self.STAGE_INIT
+ self.stage = 'init'
+ self.trans = None
+
+ def _preop(self, *args, **kwargs):
+ try:
+ # generate a new id or get current one
+ self.trans = Transaction('saml2', **kwargs)
+ if self.trans.cookie.value != self.trans.provider:
+ self.debug('Invalid transaction, %s != %s' % (
+ self.trans.cookie.value, self.trans.provider))
+ except Exception, e: # pylint: disable=broad-except
+ self.debug('Transaction initialization failed: %s' % repr(e))
+ raise cherrypy.HTTPError(400, 'Invalid transaction id')
+
+ def pre_GET(self, *args, **kwargs):
+ self._preop(*args, **kwargs)
+
+ def pre_POST(self, *args, **kwargs):
+ self._preop(*args, **kwargs)
def auth(self, login):
try:
def saml2checks(self, login):
- session = UserSession()
- user = session.get_user()
+ us = UserSession()
+ user = us.get_user()
if user.is_anonymous:
- if self.stage < self.STAGE_AUTH:
- session.save_data('saml2', 'stage', self.STAGE_AUTH)
- session.save_data('saml2', 'Request', login.dump())
- session.save_data('login', 'Return',
- '%s/saml2/SSO/Continue' % self.basepath)
- raise cherrypy.HTTPRedirect('%s/login' % self.basepath)
+ if self.stage == 'init':
+ returl = '%s/saml2/SSO/Continue?%s' % (
+ self.basepath, self.trans.get_GET_arg())
+ data = {'saml2_stage': 'auth',
+ 'saml2_request': login.dump(),
+ 'login_return': returl}
+ self.trans.store(data)
+ redirect = '%s/login?%s' % (self.basepath,
+ self.trans.get_GET_arg())
+ raise cherrypy.HTTPRedirect(redirect)
else:
raise AuthenticationError(
"Unknown user", lasso.SAML2_STATUS_CODE_AUTHN_FAILED)
self._audit("Logged in user: %s [%s]" % (user.name, user.fullname))
+ # We can wipe the transaction now, as this is the last step
+ self.trans.wipe()
+
# TODO: check if this is the first time this user access this SP
# If required by user prefs, ask user for consent once and then
# record it
authtime_notbefore = authtime - skew
authtime_notafter = authtime + skew
- us = UserSession()
- user = us.get_user()
-
# TODO: get authentication type fnd name format from session
# need to save which login manager authenticated and map it to a
# saml2 authentication context
nameid = None
if nameidfmt == lasso.SAML2_NAME_IDENTIFIER_FORMAT_PERSISTENT:
- ## TODO map to something else ?
+ # TODO map to something else ?
nameid = provider.normalize_username(user.name)
elif nameidfmt == lasso.SAML2_NAME_IDENTIFIER_FORMAT_TRANSIENT:
- ## TODO map to something else ?
+ # TODO map to something else ?
nameid = provider.normalize_username(user.name)
elif nameidfmt == lasso.SAML2_NAME_IDENTIFIER_FORMAT_KERBEROS:
nameid = us.get_data('user', 'krb_principal_name')
login.assertion.subject.nameId.format = nameidfmt
login.assertion.subject.nameId.content = nameid
else:
+ self.trans.wipe()
raise AuthenticationError("Unavailable Name ID type",
lasso.SAML2_STATUS_CODE_AUTHN_FAILED)
- # TODO: add user attributes as policy requires from 'usersession'
+ # TODO: filter user attributes as policy requires from 'usersession'
+ if not login.assertion.attributeStatement:
+ attrstat = lasso.Saml2AttributeStatement()
+ login.assertion.attributeStatement = [attrstat]
+ else:
+ attrstat = login.assertion.attributeStatement[0]
+ if not attrstat.attribute:
+ attrstat.attribute = ()
+
+ attributes = us.get_user_attrs()
+ for key in attributes:
+ attr = lasso.Saml2Attribute()
+ attr.name = key
+ attr.nameFormat = lasso.SAML2_ATTRIBUTE_NAME_FORMAT_BASIC
+ value = str(attributes[key]).encode('utf-8')
+ node = lasso.MiscTextNode.newWithString(value)
+ node.textChild = True
+ attrvalue = lasso.Saml2AttributeValue()
+ attrvalue.any = [node]
+ attr.attributeValue = [attrvalue]
+ attrstat.attribute = attrstat.attribute + (attr,)
+
+ self.debug('Assertion: %s' % login.assertion.dump())
def saml2error(self, login, code, message):
status = lasso.Samlp2Status()