python saml2 认证实例程序demo

# pip install pysaml2
from saml2.client import Saml2Client
from saml2.config import Config as Saml2Configmetadata_filepath=''
acs_endpoint_url=''
entity_id=''# 获取跳转网址
saml_settings= {'metadata': {'local': [authenticator_self.metadata_filepath]}, 'service': {'sp': {'endpoints': {'assertion_consumer_service': [(authenticator_self.acs_endpoint_url, 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect'), (authenticator_self.acs_endpoint_url, 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST')]}, 'allow_unsolicited': True, 'authn_requests_signed': False, 'logout_requests_signed': True, 'want_assertions_signed': True, 'want_response_signed': False}}, 'entityid': authenticator_self.entity_id}
spConfig = Saml2Config()
spConfig.load(saml_settings)
spConfig.allow_unknown_attributes = True
saml_client = Saml2Client(config=spConfig)
_, info = saml_client.prepare_for_authenticate()
urltrue=info['headers'][0][1]# 解密 saml2 返回报文
realcode = b64decode(data['SAMLResponse'])
self.log.debug(str(realcode))
begin=str(realcode).find('<Attribute Name="xxxxxxxxx"><AttributeValue>')
end=str(realcode).rfind('</Attribute>')
username=str(realcode)[begin+1:end]
username=username.replace('Attribute Name="xxxxxxxxxxxxxx"><AttributeValue>','')
username=username.replace('</AttributeValue>','')

任何程序错误，以及技术疑问或需要解答的，请添加