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):
"""
@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
"""
accepts = [
Mixed(Parameter(str, "credential"),
Parameter(None, "No credential")),
- Parameter(str, "Human readable name (hrn)")
+ Parameter(str, "Human readable name (hrn or urn)")
]
returns = Parameter(str, "String representation of a credential object")
- def call(self, cred, type, hrn):
- if not cred:
- return self.get_self_credential(type, hrn)
+ def call(self, cred, type, xrn, origin_hrn=None):
+ if type:
+ hrn = urn_to_hrn(xrn)[0]
+ else:
+ hrn, type = urn_to_hrn(xrn)
- 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
- 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)
-
- rights = self.api.auth.determine_user_rights(self.api.auth.client_cred, record)
- if rights.is_empty():
- raise PermissionError(self.api.auth.client_cred.get_gid_object().get_hrn() + " has no rights to " + record.get_name())
-
- # TODO: Check permission that self.client_cred can access the object
-
- 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)
+ #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))
- def get_self_credential(self, type, hrn):
- """
- get_self_credential a degenerate version of get_credential used by a client
- to get his initial credential when de doesnt have one. This is the same as
- get_credetial(..., cred = None, ...)
-
- The registry ensures that the client is the principal that is named by
- (type, name) by comparing the public key in the record's GID to the
- private key used to encrypt the client side of the HTTPS connection. Thus
- it is impossible for one principal to retrive another principal's
- credential without having the appropriate private key.
-
- @param type type of object (user | slice | sa | ma | node)
- @param hrn human readable name of authority to list
- @return string representation of a credential object
- """
+ 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
-
- auth_info = self.api.auth.get_auth_info(auth_hrn)
-
- # find a record that matches
- record = None
- table = GeniTable()
- records = table.findObjects({'type': type, 'hrn': hrn})
- if not records:
- raise RecordNotFound(hrn)
- record = records[0]
- gid = record.get_gid_object()
- peer_cert = self.api.auth.peer_cert
- if not peer_cert.is_pubkey(gid.get_pubkey()):
- raise ConnectionKeyGIDMismatch(gid.get_subject())
-
- rights = self.api.auth.determine_user_rights(None, record)
- if rights.is_empty():
- raise PermissionError(gid.get_hrn() + " has no rights to " + record.get_name())
-
- # create the credential
- gid = record.get_gid_object()
- cred = Credential(subject = gid.get_subject())
- cred.set_gid_caller(gid)
- cred.set_gid_object(gid)
- cred.set_issuer(key=auth_info.get_pkey_object(), subject=auth_hrn)
- cred.set_pubkey(gid.get_pubkey())
- cred.set_privileges(rights)
- cred.set_delegate(True)
-
- auth_kind = "authority,sa,ma"
- cred.set_parent(self.api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
-
- cred.encode()
- cred.sign()
- return 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)
git://git.onelab.eu / sfa.git / blobdiff