taking out debug statement from the previous commit

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

diff --git a/sfa/methods/get_resources.py b/sfa/methods/get_resources.py
index a9b9cdc..10cf5be 100644 (file)
--- a/sfa/methods/get_resources.py
+++ b/sfa/methods/get_resources.py
@@ -5,8 +5,12 @@ from sfa.util.faults import *
 from sfa.util.method import Method
 from sfa.util.parameter import Parameter, Mixed
 from sfa.trust.auth import Auth
-
+from sfa.util.config import Config
 from sfa.plc.nodes import Nodes
+# RSpecManager_pl is not used. This line is a check that ensures that everything is in place for the import to work.
+import sfa.rspecs.aggregates.rspec_manager_pl
+from sfa.trust.credential import Credential
+from sfatables.runtime import SFATablesRules
 
 class get_resources(Method):
     """
@@ -23,19 +27,57 @@ class get_resources(Method):
     accepts = [
         Parameter(str, "Credential string"),
         Mixed(Parameter(str, "Human readable name (hrn)"),
-              Parameter(None, "hrn not specified"))
+              Parameter(None, "hrn not specified")),
+        Mixed(Parameter(str, "Request hash"),
+              Parameter(None, "Request hash not specified")),
+        Parameter(str, "Callers credential string")
         ]
 
     returns = Parameter(str, "String representatin of an rspec")
     
-    def call(self, cred, hrn=None):
-        
+    def call(self, cred, hrn=None, request_hash = None, caller_cred=None):
+        sfa_aggregate_type = Config().get_aggregate_rspec_type()
+
+        # This cred will be an authority cred, not a user, so we cant use it to 
+        # authenticate the caller's request_hash. Let just get the caller's gid
+        # from the cred and authenticate using that 
+        client_gid = Credential(string=cred).get_gid_caller()
+        client_gid_str = client_gid.save_to_string(save_parents=True)
+        self.api.auth.authenticateGid(client_gid_str, [cred,hrn], request_hash)
         self.api.auth.check(cred, 'listnodes')
-        nodes = Nodes(self.api)
-        if hrn:
-            rspec = nodes.get_rspec(hrn)
+        if caller_cred==None:
+            caller_cred=cred
+
+        #log the call
+        self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, Credential(string=caller_cred).get_gid_caller().get_hrn(), hrn, self.name))
+
+        # This code needs to be cleaned up so that 'pl' is treated as just another RSpec manager.
+        # The change ought to be straightforward as soon as we define PL's new RSpec.
+
+        rspec_manager = __import__("sfa.rspecs.aggregates.rspec_manager_"+sfa_aggregate_type,
+                                   fromlist = ["sfa.rspecs.aggregates"])
+        if (sfa_aggregate_type == 'pl'):
+            nodes = Nodes(self.api, caller_cred=caller_cred)
+            if hrn:
+                rspec = nodes.get_rspec(hrn)
+            else:
+                nodes.refresh()
+                rspec = nodes['rspec']
         else:
-            nodes.refresh()
-            rspec = nodes['rspec']
-        
-        return rspec
+            rspec = rspec_manager.get_rspec(self.api, hrn)
+
+        # Filter the outgoing rspec using sfatables
+       if self.api.interface=='slicemgr':
+           outgoing_rules = SFATablesRules('FORWARD-OUTGOING')
+       else:
+           outgoing_rules = SFATablesRules('OUTGOING')
+       if outgoing_rules.sorted_rule_list:
+           request_context = rspec_manager.fetch_context(
+               hrn,
+               Credential(string=caller_cred).get_gid_caller().get_hrn(),
+               outgoing_rules.contexts)
+           outgoing_rules.set_context(request_context)
+           filtered_rspec = outgoing_rules.apply(rspec)
+           return filtered_rspec
+       else:
+          return rspec