def __init__(self, config_file, entityid=None, debug=False):
self.urls = []
self.cache = {}
self.debug = debug
sp_conf = config_factory("sp", config_file)
idp_conf = config_factory("idp", config_file)
self.config = {"SP": sp_conf, "IDP": idp_conf}
sys.path.insert(0, os.path.dirname(config_file))
conf = importlib.import_module(os.path.basename(config_file))
self.attribute_module = conf.ATTRIBUTE_MODULE
# If entityID is set it means this is a proxy in front of one IdP.
if entityid:
self.entity_id = entityid
self.sp_args = {}
else:
self.entity_id = None
self.sp_args = {"discosrv": conf.DISCO_SRV}
sp = SamlSP(None, None, self.config["SP"], self.cache, **self.sp_args)
self.urls.extend(sp.register_endpoints())
idp = SamlIDP(None, None, self.config["IDP"], self.cache, None)
self.urls.extend(idp.register_endpoints())
def __init__(self, config_file, entityid=None, debug=False):
self.urls = []
self.cache = {}
self.debug = debug
sp_conf = config_factory("sp", config_file)
idp_conf = config_factory("idp", config_file)
self.config = {
"SP": sp_conf,
"IDP": idp_conf
}
sys.path.insert(0, os.path.dirname(config_file))
conf = importlib.import_module(os.path.basename(config_file))
self.attribute_module = conf.ATTRIBUTE_MODULE
# If entityID is set it means this is a proxy in front of one IdP.
if entityid:
self.entity_id = entityid
self.sp_args = {}
else:
self.entity_id = None
self.sp_args = {"discosrv": conf.DISCO_SRV}
sp = SamlSP(None, None, self.config["SP"], self.cache, **self.sp_args)
self.urls.extend(sp.register_endpoints())
idp = SamlIDP(None, None, self.config["IDP"], self.cache, None)
self.urls.extend(idp.register_endpoints())
def outgoing(self, response, instance):
"""
An authentication response has been received and now an authentication
response from this server should be constructed.
:param response: The Authentication response
:param instance: SP instance that received the authentication response
:return: response
"""
_idp = SamlIDP(instance.environ, instance.start_response,
self.config["SP"], self.cache, self.outgoing)
_state = instance.sp.state[response.in_response_to]
orig_authn_req, relay_state, req_args = instance.sp.state[_state]
# The Subject NameID.
subject = response.get_subject()
# Diverse arguments needed to construct the response.
resp_args = _idp.idp.response_args(orig_authn_req)
# TODO Slightly awkward, should be done better.
_authn_info = response.authn_info()[0]
# If the <AuthnContext> in the response contained one or more
# <AuthenticatingAuthority> elements then use the first one, otherwise
# default to using the issuer, which will be the issuing IdP.
if _authn_info[1]:
_authn = {
"class_ref": _authn_info[0],
"authn_auth": _authn_info[1][0]
}
else:
_authn = {
"class_ref": _authn_info[0],
"authn_auth": response.issuer()
}
# This is where any possible modification of the assertion is made.
try:
response.ava = self.attribute_module.get_attributes(response.ava)
except NoUserData as e:
logger.error(
"User authenticated at IdP but not found by attribute module.")
raise
# Will sign the response by default.
resp = _idp.construct_authn_response(response.ava,
name_id=subject,
authn=_authn,
resp_args=resp_args,
relay_state=relay_state,
sign_response=True)
return resp
def outgoing(self, response, instance):
"""
An authentication response has been received and now an authentication
response from this server should be constructed.
:param response: The Authentication response
:param instance: SP instance that received the authentication response
:return: response
"""
_idp = SamlIDP(instance.environ, instance.start_response,
self.config["SP"], self.cache, self.outgoing)
_state = instance.sp.state[response.in_response_to]
orig_authn_req, relay_state, req_args = instance.sp.state[_state]
# The Subject NameID.
subject = response.get_subject()
# Diverse arguments needed to construct the response.
resp_args = _idp.idp.response_args(orig_authn_req)
# TODO Slightly awkward, should be done better.
_authn_info = response.authn_info()[0]
# If the <AuthnContext> in the response contained one or more
# <AuthenticatingAuthority> elements then use the first one, otherwise
# default to using the issuer, which will be the issuing IdP.
if _authn_info[1]:
_authn = {"class_ref": _authn_info[0], "authn_auth": _authn_info[1][0]}
else:
_authn = {"class_ref": _authn_info[0], "authn_auth": response.issuer()}
# This is where any possible modification of the assertion is made.
try:
response.ava = self.attribute_module.get_attributes(response.ava)
except NoUserData as e:
logger.error(
"User authenticated at IdP but not found by attribute module.")
raise
# Will sign the response by default.
resp = _idp.construct_authn_response(
response.ava, name_id=subject, authn=_authn,
resp_args=resp_args, relay_state=relay_state, sign_response=True)
return resp
def run_entity(self, spec, environ, start_response):
"""
Picks entity and method to run by that entity.
:param spec: a tuple (entity_type, response_type, binding)
:param environ: WSGI environ
:param start_response: WSGI start_response
:return:
"""
if isinstance(spec, tuple):
if spec[0] == "SP":
inst = SamlSP(environ, start_response, self.config["SP"],
self.cache, self.outgoing, **self.sp_args)
else:
inst = SamlIDP(environ, start_response, self.config["IDP"],
self.cache, self.incoming)
func = getattr(inst, spec[1])
return func(*spec[2:])
else:
return spec()
