call traceability for get_credential

[sfa.git] / sfa / methods / get_credential.py

diff --git a/sfa/methods/get_credential.py b/sfa/methods/get_credential.py
index 5d3003a..f788ead 100644 (file)
--- a/sfa/methods/get_credential.py
+++ b/sfa/methods/get_credential.py
@@ -4,13 +4,11 @@
 from sfa.trust.credential import *
 from sfa.trust.rights import *
 from sfa.util.faults import *
+from sfa.util.namespace import *
 from sfa.util.method import Method
 from sfa.util.parameter import Parameter, Mixed
-from sfa.trust.auth import Auth
-from sfa.trust.gid import GID
-from sfa.util.record import GeniRecord
-from sfa.util.genitable import *
 from sfa.util.debug import log
+from sfa.trust.credential import Credential
 
 class get_credential(Method):
     """
@@ -19,7 +17,7 @@ class get_credential(Method):
 
     @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
+    @param hrn human readable name of object (hrn or urn)
 
     @return the string representation of a credential object  
     """
@@ -29,58 +27,28 @@ class get_credential(Method):
     accepts = [
         Mixed(Parameter(str, "credential"),
               Parameter(None, "No credential")),  
-        Parameter(str, "Human readable name (hrn)"),
-        Mixed(Parameter(str, "Request hash"),
-              Parameter(None, "Request hash not specified"))
+        Parameter(str, "Human readable name (hrn or urn)")
         ]
 
     returns = Parameter(str, "String representation of a credential object")
 
-    def call(self, cred, type, hrn, request_hash=None):
+    def call(self, cred, type, xrn, origin_hrn=None):
+        if type:
+            hrn = urn_to_hrn(xrn)[0]
+        else:
+            hrn, type = urn_to_hrn(xrn)
+
+       #log the call
+       if not origin_hrn:
+            origin_hrn = Credential(string=cred).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.authenticateCred(cred, [cred, type, hrn], request_hash)
         self.api.auth.check(cred, 'getcredential')
         self.api.auth.verify_object_belongs_to_me(hrn)
-        auth_hrn = self.api.auth.get_authority(hrn)
-
-        # Is this a root or sub authority 
-        if not auth_hrn or hrn == self.api.config.SFA_INTERFACE_HRN:
-            auth_hrn = hrn
-
-        # get record info
-        auth_info = self.api.auth.get_auth_info(auth_hrn)
-        table = GeniTable()
-        records = table.find({'type': type, 'hrn': hrn})
-        if not records:
-            raise RecordNotFound(hrn)
-        record = records[0]
-        
-        # verify_cancreate_credential requires that the member lists
-        # (researchers, pis, etc) be filled in
-        self.api.fill_record_info(record)
-
-        caller_hrn = self.api.auth.client_cred.get_gid_caller().get_hrn()
-        object_hrn = self.api.auth.client_cred.get_gid_object().get_hrn()
-        rights = self.api.auth.determine_user_rights(caller_hrn, record)
-        # make sure caller has rights to this object
-        if rights.is_empty():
-            raise PermissionError(object_hrn + " has no rights to " + record['name'])
-        
-        gid = record['gid']
-        gid_object = GID(string=gid)
-        new_cred = Credential(subject = gid_object.get_subject())
-        new_cred.set_gid_caller(self.api.auth.client_gid)
-        new_cred.set_gid_object(gid_object)
-        new_cred.set_issuer(key=auth_info.get_pkey_object(), subject=auth_hrn)
-        new_cred.set_pubkey(gid_object.get_pubkey())
-        new_cred.set_privileges(rights)
-        new_cred.set_delegate(True)
-
-        auth_kind = "authority,ma,sa"
-        new_cred.set_parent(self.api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
-
-        new_cred.encode()
-        new_cred.sign()
-
-        return new_cred.save_to_string(save_parents=True)
 
+        # 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)