4 from sfa.trust.credential import *
5 from sfa.trust.rights import *
6 from sfa.util.faults import *
7 from sfa.util.namespace import *
8 from sfa.util.method import Method
9 from sfa.util.parameter import Parameter, Mixed
10 from sfa.util.debug import log
12 class get_credential(Method):
14 Retrive a credential for an object
15 If cred == Nonee then the behavior reverts to get_self_credential
17 @param cred credential object specifying rights of the caller
18 @param type type of object (user | slice | sa | ma | node)
19 @param hrn human readable name of object (hrn or urn)
21 @return the string representation of a credential object
24 interfaces = ['registry']
27 Mixed(Parameter(str, "credential"),
28 Parameter(None, "No credential")),
29 Parameter(str, "Human readable name (hrn or urn)")
32 returns = Parameter(str, "String representation of a credential object")
34 def call(self, cred, type, xrn):
36 hrn = urn_to_hrn(xrn)[0]
38 hrn, type = urn_to_hrn(xrn)
40 self.api.auth.check(cred, 'getcredential')
41 self.api.auth.verify_object_belongs_to_me(hrn)
43 # send the call to the right manager
44 manager_base = 'sfa.managers'
45 mgr_type = self.api.config.SFA_REGISTRY_TYPE
46 manager_module = manager_base + ".registry_manager_%s" % mgr_type
47 manager = __import__(manager_module, fromlist=[manager_base])
48 return manager.get_credential(self.api, xrn, type)