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import logging
import six
from saml2.cache import Cache
from saml2.ident import code
logger = logging.getLogger(__name__)
class Population(object):
def __init__(self, cache=None):
if cache:
if isinstance(cache, six.string_types):
self.cache = Cache(cache)
else:
self.cache = cache
else:
self.cache = Cache()
def add_information_about_person(self, session_info):
"""If there already are information from this source in the cache
this function will overwrite that information"""
session_info = dict(session_info)
name_id = session_info["name_id"]
issuer = session_info.pop("issuer")
self.cache.set(name_id, issuer, session_info,
session_info["not_on_or_after"])
return name_id
def stale_sources_for_person(self, name_id, sources=None):
"""
:param name_id: Identifier of the subject, a NameID instance
:param sources: Sources for information about the subject
:return:
"""
if not sources: # assume that all the members has be asked
# once before, hence they are represented in the cache
sources = self.cache.entities(name_id)
sources = [m for m in sources if not self.cache.active(name_id, m)]
return sources
def issuers_of_info(self, name_id):
return self.cache.entities(name_id)
def get_identity(self, name_id, entities=None, check_not_on_or_after=True):
return self.cache.get_identity(name_id, entities, check_not_on_or_after)
def get_info_from(self, name_id, entity_id, check_not_on_or_after=True):
return self.cache.get(name_id, entity_id, check_not_on_or_after)
def subjects(self):
"""Returns the name id's for all the persons in the cache"""
return self.cache.subjects()
def remove_person(self, name_id):
self.cache.delete(name_id)
def get_entityid(self, name_id, source_id, check_not_on_or_after=True):
try:
return self.cache.get(name_id, source_id, check_not_on_or_after)[
"name_id"]
except (KeyError, ValueError):
return ""
def sources(self, name_id):
return self.cache.entities(name_id)
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