- object_hrn = record.get_gid_object().get_hrn()
- rights = api.auth.determine_user_rights(caller_hrn, record)
- # make sure caller has rights to this object
- if rights.is_empty():
- raise PermissionError(caller_hrn + " has no rights to " + record['name'])
-
- object_gid = GID(string=record['gid'])
- new_cred = Credential(subject = object_gid.get_subject())
- new_cred.set_gid_caller(caller_gid)
- new_cred.set_gid_object(object_gid)
- new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
- #new_cred.set_pubkey(object_gid.get_pubkey())
- new_cred.set_privileges(rights)
- new_cred.get_privileges().delegate_all_privileges(True)
- if 'expires' in record:
- new_cred.set_expiration(int(record['expires']))
- auth_kind = "authority,ma,sa"
- # Parent not necessary, verify with certs
- #new_cred.set_parent(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)
-
-
-def resolve(api, xrns, type=None, full=True):
-
- # load all known registry names into a prefix tree and attempt to find
- # the longest matching prefix
- if not isinstance(xrns, types.ListType):
- if not type:
- type = Xrn(xrns).get_type()
- xrns = [xrns]
- hrns = [urn_to_hrn(xrn)[0] for xrn in xrns]
- # create a dict where key is a registry hrn and its value is a
- # hrns at that registry (determined by the known prefix tree).
- xrn_dict = {}
- registries = api.registries
- tree = prefixTree()
- registry_hrns = registries.keys()
- tree.load(registry_hrns)
- for xrn in xrns:
- registry_hrn = tree.best_match(urn_to_hrn(xrn)[0])
- if registry_hrn not in xrn_dict:
- xrn_dict[registry_hrn] = []
- xrn_dict[registry_hrn].append(xrn)
+ def GetCredential(self, api, xrn, type, caller_xrn=None):
+ # convert xrn to hrn
+ if type:
+ hrn = urn_to_hrn(xrn)[0]
+ else:
+ hrn, type = urn_to_hrn(xrn)
+
+ # Is this a root or sub authority
+ auth_hrn = api.auth.get_authority(hrn)
+ if not auth_hrn or hrn == api.config.SFA_INTERFACE_HRN:
+ auth_hrn = hrn
+ auth_info = api.auth.get_auth_info(auth_hrn)
+ # get record info
+ record=dbsession.query(RegRecord).filter_by(type=type,hrn=hrn).first()
+ if not record:
+ raise RecordNotFound("hrn=%s, type=%s"%(hrn,type))
+
+ # xxx for the record only
+ # used to call this, which was wrong, now all needed data is natively is our DB
+ # self.driver.augment_records_with_testbed_info (record.__dict__)
+ # likewise, we deprecate is_enabled which was not really useful
+ # if not self.driver.is_enabled (record.__dict__): ...
+ # xxx for the record only
+
+ # get the callers gid
+ # if caller_xrn is not specified assume the caller is the record
+ # object itself.
+ if not caller_xrn:
+ caller_hrn = hrn
+ caller_gid = record.get_gid_object()
+ else:
+ caller_hrn, caller_type = urn_to_hrn(caller_xrn)
+ if caller_type:
+ caller_record = dbsession.query(RegRecord).filter_by(hrn=caller_hrn,type=caller_type).first()
+ else:
+ caller_record = dbsession.query(RegRecord).filter_by(hrn=caller_hrn).first()
+ if not caller_record:
+ raise RecordNotFound("Unable to associated caller (hrn=%s, type=%s) with credential for (hrn: %s, type: %s)"%(caller_hrn, caller_type, hrn, type))
+ caller_gid = GID(string=caller_record.gid)
+
+ object_hrn = record.get_gid_object().get_hrn()
+ # call the builtin authorization/credential generation engine
+ rights = api.auth.determine_user_rights(caller_hrn, record)
+ # make sure caller has rights to this object
+ if rights.is_empty():
+ raise PermissionError("%s has no rights to %s (%s)" % \
+ (caller_hrn, object_hrn, xrn))
+ object_gid = GID(string=record.gid)
+ new_cred = Credential(subject = object_gid.get_subject())
+ new_cred.set_gid_caller(caller_gid)
+ new_cred.set_gid_object(object_gid)
+ new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
+ #new_cred.set_pubkey(object_gid.get_pubkey())
+ new_cred.set_privileges(rights)
+ new_cred.get_privileges().delegate_all_privileges(True)
+ if hasattr(record,'expires'):
+ date = utcparse(record.expires)
+ expires = datetime_to_epoch(date)
+ new_cred.set_expiration(int(expires))
+ auth_kind = "authority,ma,sa"
+ # Parent not necessary, verify with certs
+ #new_cred.set_parent(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)
+
+
+ def Resolve(self, api, xrns, type=None, full=True):
+
+ if not isinstance(xrns, types.ListType):
+ # try to infer type if not set and we get a single input
+ if not type:
+ type = Xrn(xrns).get_type()
+ xrns = [xrns]
+ hrns = [urn_to_hrn(xrn)[0] for xrn in xrns]
+
+ # load all known registry names into a prefix tree and attempt to find
+ # the longest matching prefix
+ # create a dict where key is a registry hrn and its value is a list
+ # of hrns at that registry (determined by the known prefix tree).
+ xrn_dict = {}
+ registries = api.registries
+ tree = prefixTree()
+ registry_hrns = registries.keys()
+ tree.load(registry_hrns)
+ for xrn in xrns:
+ registry_hrn = tree.best_match(urn_to_hrn(xrn)[0])
+ if registry_hrn not in xrn_dict:
+ xrn_dict[registry_hrn] = []
+ xrn_dict[registry_hrn].append(xrn)
+
+ records = []
+ for registry_hrn in xrn_dict:
+ # skip the hrn without a registry hrn
+ # XX should we let the user know the authority is unknown?
+ if not registry_hrn:
+ continue
+
+ # if the best match (longest matching hrn) is not the local registry,
+ # forward the request
+ xrns = xrn_dict[registry_hrn]
+ if registry_hrn != api.hrn:
+ credential = api.getCredential()
+ interface = api.registries[registry_hrn]
+ server_proxy = api.server_proxy(interface, credential)
+ peer_records = server_proxy.Resolve(xrns, credential,type)
+ # pass foreign records as-is
+ # previous code used to read
+ # records.extend([SfaRecord(dict=record).as_dict() for record in peer_records])
+ # not sure why the records coming through xmlrpc had to be processed at all
+ records.extend(peer_records)
+
+ # try resolving the remaining unfound records at the local registry
+ local_hrns = list ( set(hrns).difference([record['hrn'] for record in records]) )
+ #
+ local_records = dbsession.query(RegRecord).filter(RegRecord.hrn.in_(local_hrns))
+ if type:
+ local_records = local_records.filter_by(type=type)
+ local_records=local_records.all()
+ logger.info("Resolve: local_records=%s (type=%s)"%(local_records,type))
+ local_dicts = [ record.__dict__ for record in local_records ]
+
+ if full:
+ # in full mode we get as much info as we can, which involves contacting the
+ # testbed for getting implementation details about the record
+ self.driver.augment_records_with_testbed_info(local_dicts)
+ # also we fill the 'url' field for known authorities
+ # used to be in the driver code, sounds like a poorman thing though
+ def solve_neighbour_url (record):
+ if not record.type.startswith('authority'): return
+ hrn=record.hrn
+ for neighbour_dict in [ api.aggregates, api.registries ]:
+ if hrn in neighbour_dict:
+ record.url=neighbour_dict[hrn].get_url()
+ return
+ for record in local_records: solve_neighbour_url (record)