Source Code for Module ndg.xacml.core.context.handlerinterface

 1  """NDG Security Context handler interface definition 
 2   
 3  NERC DataGrid 
 4  """ 
 5  __author__ = "P J Kershaw" 
 6  __date__ = "24/02/10" 
 7  __copyright__ = "(C) 2010 Science and Technology Facilities Council" 
 8  __contact__ = "Philip.Kershaw@stfc.ac.uk" 
 9  __license__ = "BSD - see LICENSE file in top-level directory" 
10  __contact__ = "Philip.Kershaw@stfc.ac.uk" 
11  __revision__ = "$Id:$" 
12  from abc import ABCMeta, abstractmethod 
13   
14          
15 -class CtxHandlerInterface(object): 
16      """Context Handler interface.""" 
17      __metaclass__ = ABCMeta 
18      __slots__ = () 
19       
20      @abstractmethod 
21 -    def handlePEPRequest(self, pepRequest): 
22          """Handle request from Policy Enforcement Point 
23           
24          @param pepRequest: request from PEP, derived class determines its type 
25          e.g. SAML AuthzDecisionQuery 
26          @type pepRequest: type 
27          @return: PEP response - derived class determines type 
28          @rtype: None 
29          """ 
30          raise NotImplementedError()  
31          
32 -    def pipQuery(self, request, designator): 
33          """Query a Policy Information Point to retrieve the attribute values 
34          corresponding to the specified input designator.  Optionally, update the 
35          requestCtx.  This could be a subject, environment or resource.  Matching 
36          attributes values are returned 
37           
38          @param request: request context 
39          @type request: ndg.xacml.core.context.request.Request 
40          @param designator: designator requiring additional subject attribute  
41          information 
42          @type designator: ndg.xacml.core.expression.Expression derived type 
43          @return: list of attribute values for subject corresponding to given 
44          policy designator 
45          @rtype: list 
46          """ 
47          return [] 
48