-### $Id: get_credential.py 17576 2010-04-05 20:56:15Z tmack $
-### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/methods/get_credential.py $
-
-from sfa.trust.credential import *
-from sfa.trust.rights import *
-from sfa.util.faults import *
-from sfa.util.namespace import *
+from sfa.util.xrn import urn_to_hrn
from sfa.util.method import Method
-from sfa.util.parameter import Parameter, Mixed
-from sfa.util.debug import log
+
from sfa.trust.credential import Credential
-class get_credential(Method):
+from sfa.storage.parameter import Parameter, Mixed
+
+class GetCredential(Method):
"""
Retrive a credential for an object
- If cred == Nonee then the behavior reverts to get_self_credential
+ If cred == None then the behavior reverts to GetSelfCredential
- @param cred credential object specifying rights of the caller
- @param type type of object (user | slice | sa | ma | node)
@param hrn human readable name of object (hrn or urn)
+ @param cred credential object specifying rights of the caller
+ @param type type of object (user | slice | node | authority )
@return the string representation of a credential object
"""
interfaces = ['registry']
accepts = [
- Mixed(Parameter(str, "credential"),
- Parameter(None, "No credential")),
- Parameter(str, "Human readable name (hrn or urn)")
+ Mixed(Parameter(str, "Credential string"),
+ Parameter(type([str]), "List of credentials")),
+ Parameter(str, "Human readable name (hrn or urn)"),
+ Mixed(Parameter(str, "Record type"),
+ Parameter(None, "Type not specified")),
]
returns = Parameter(str, "String representation of a credential object")
- def call(self, cred, type, xrn, origin_hrn=None):
+ def call(self, creds, xrn, type):
+
if type:
hrn = urn_to_hrn(xrn)[0]
else:
hrn, type = urn_to_hrn(xrn)
+ # check creds
+ valid_creds = self.api.auth.checkCredentials(creds, 'getcredential')
+ self.api.auth.verify_object_belongs_to_me(hrn)
+
#log the call
- if not origin_hrn:
- origin_hrn = Credential(string=cred).get_gid_caller().get_hrn()
+ origin_hrn = Credential(string=valid_creds[0]).get_gid_caller().get_hrn()
self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, origin_hrn, hrn, self.name))
- self.api.auth.check(cred, 'getcredential')
- self.api.auth.verify_object_belongs_to_me(hrn)
- # send the call to the right manager
- manager_base = 'sfa.managers'
- mgr_type = self.api.config.SFA_REGISTRY_TYPE
- manager_module = manager_base + ".registry_manager_%s" % mgr_type
- manager = __import__(manager_module, fromlist=[manager_base])
- return manager.get_credential(self.api, xrn, type)
+ return self.api.manager.GetCredential(self.api, xrn, type, self.api.auth.client_gid.get_urn())
+