50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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"""
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Contains classes and functions that a SAML2.0 Service Provider (SP) may use
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to do attribute aggregation.
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"""
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import logging
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#from saml2 import client
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from saml2 import BINDING_SOAP
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logger = logging.getLogger(__name__)
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DEFAULT_BINDING = BINDING_SOAP
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class AttributeResolver(object):
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def __init__(self, saml2client, metadata=None, config=None):
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self.metadata = metadata
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self.saml2client = saml2client
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self.metadata = saml2client.config.metadata
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def extend(self, name_id, issuer, vo_members):
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"""
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:param name_id: The identifier by which the subject is know
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among all the participents of the VO
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:param issuer: Who am I the poses the query
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:param vo_members: The entity IDs of the IdP who I'm going to ask
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for extra attributes
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:return: A dictionary with all the collected information about the
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subject
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"""
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result = []
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for member in vo_members:
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for ass in self.metadata.attribute_consuming_service(member):
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for attr_serv in ass.attribute_service:
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logger.info(
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"Send attribute request to %s", attr_serv.location)
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if attr_serv.binding != BINDING_SOAP:
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continue
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# attribute query assumes SOAP binding
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session_info = self.saml2client.attribute_query(
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name_id, attr_serv.location, issuer_id=issuer,
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)
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if session_info:
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result.append(session_info)
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return result
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