+++ /dev/null
-import types
-import time
-
-from sfa.util.faults import *
-from sfa.util.prefixTree import prefixTree
-from sfa.util.record import SfaRecord
-from sfa.util.table import SfaTable
-from sfa.util.record import SfaRecord
-from sfa.trust.gid import GID
-from sfa.util.xrn import Xrn, get_leaf, get_authority, hrn_to_urn, urn_to_hrn
-from sfa.util.plxrn import hrn_to_pl_login_base
-from sfa.trust.credential import Credential
-from sfa.trust.certificate import Certificate, Keypair
-from sfa.trust.gid import create_uuid
-from sfa.util.version import version_core
-
-# The GENI GetVersion call
-def GetVersion(api):
- peers =dict ([ (peername,v._ServerProxy__host) for (peername,v) in api.registries.iteritems()
- if peername != api.hrn])
- xrn=Xrn(api.hrn)
- return version_core({'interface':'registry',
- 'hrn':xrn.get_hrn(),
- 'urn':xrn.get_urn(),
- 'peers':peers})
-
-def get_credential(api, xrn, type, is_self=False):
- # 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
- # get record info
- auth_info = api.auth.get_auth_info(auth_hrn)
- table = SfaTable()
- records = table.findObjects({'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
- api.fill_record_info(record)
- if record['type']=='user':
- if not record['enabled']:
- raise AccountNotEnabled(": PlanetLab account %s is not enabled. Please contact your site PI" %(record['email']))
-
- # get the callers gid
- # if this is a self cred the record's gid is the caller's gid
- if is_self:
- caller_hrn = hrn
- caller_gid = record.get_gid_object()
- else:
- caller_gid = api.auth.client_cred.get_gid_caller()
- caller_hrn = caller_gid.get_hrn()
-
- 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)
-
- 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()
- peer_records = registries[registry_hrn].Resolve(xrns, credential)
- records.extend([SfaRecord(dict=record).as_dict() for record in peer_records])
-
- # try resolving the remaining unfound records at the local registry
- remaining_hrns = set(hrns).difference([record['hrn'] for record in records])
- # convert set to list
- remaining_hrns = [hrn for hrn in remaining_hrns]
- table = SfaTable()
- local_records = table.findObjects({'hrn': remaining_hrns})
- if full:
- api.fill_record_info(local_records)
-
- # convert local record objects to dicts
- records.extend([dict(record) for record in local_records])
- if not records:
- raise RecordNotFound(str(hrns))
-
- if type:
- records = filter(lambda rec: rec['type'] in [type], records)
-
- return records
-
-def list(api, xrn, origin_hrn=None):
- hrn, type = urn_to_hrn(xrn)
- # load all know registry names into a prefix tree and attempt to find
- # the longest matching prefix
- records = []
- registries = api.registries
- registry_hrns = registries.keys()
- tree = prefixTree()
- tree.load(registry_hrns)
- registry_hrn = tree.best_match(hrn)
-
- #if there was no match then this record belongs to an unknow registry
- if not registry_hrn:
- raise MissingAuthority(xrn)
-
- # if the best match (longest matching hrn) is not the local registry,
- # forward the request
- records = []
- if registry_hrn != api.hrn:
- credential = api.getCredential()
- record_list = registries[registry_hrn].List(xrn, credential)
- records = [SfaRecord(dict=record).as_dict() for record in record_list]
-
- # if we still have not found the record yet, try the local registry
- if not records:
- if not api.auth.hierarchy.auth_exists(hrn):
- raise MissingAuthority(hrn)
-
- table = SfaTable()
- records = table.find({'authority': hrn})
-
- return records
-
-
-def create_gid(api, xrn, cert):
- # get the authority
- authority = Xrn(xrn=xrn).get_authority_hrn()
- auth_info = api.auth.get_auth_info(authority)
- if not cert:
- pkey = Keypair(create=True)
- else:
- certificate = Certificate(string=cert)
- pkey = certificate.get_pubkey()
- gid = api.auth.hierarchy.create_gid(xrn, create_uuid(), pkey)
- return gid.save_to_string(save_parents=True)
-
-def register(api, record):
-
- hrn, type = record['hrn'], record['type']
- urn = hrn_to_urn(hrn,type)
- # validate the type
- if type not in ['authority', 'slice', 'node', 'user']:
- raise UnknownSfaType(type)
-
- # check if record already exists
- table = SfaTable()
- existing_records = table.find({'type': type, 'hrn': hrn})
- if existing_records:
- raise ExistingRecord(hrn)
-
- record = SfaRecord(dict = record)
- record['authority'] = get_authority(record['hrn'])
- type = record['type']
- hrn = record['hrn']
- auth_info = api.auth.get_auth_info(record['authority'])
- pub_key = None
- # make sure record has a gid
- if 'gid' not in record:
- uuid = create_uuid()
- pkey = Keypair(create=True)
- if 'key' in record and record['key']:
- if isinstance(record['key'], types.ListType):
- pub_key = record['key'][0]
- else:
- pub_key = record['key']
- pkey = convert_public_key(pub_key)
-
- gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
- gid = gid_object.save_to_string(save_parents=True)
- record['gid'] = gid
- record.set_gid(gid)
-
- if type in ["authority"]:
- # update the tree
- if not api.auth.hierarchy.auth_exists(hrn):
- api.auth.hierarchy.create_auth(hrn_to_urn(hrn,'authority'))
-
- # get the GID from the newly created authority
- gid = auth_info.get_gid_object()
- record.set_gid(gid.save_to_string(save_parents=True))
- pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
- sites = api.plshell.GetSites(api.plauth, [pl_record['login_base']])
- if not sites:
- pointer = api.plshell.AddSite(api.plauth, pl_record)
- else:
- pointer = sites[0]['site_id']
-
- record.set_pointer(pointer)
- record['pointer'] = pointer
-
- elif (type == "slice"):
- acceptable_fields=['url', 'instantiation', 'name', 'description']
- pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
- for key in pl_record.keys():
- if key not in acceptable_fields:
- pl_record.pop(key)
- slices = api.plshell.GetSlices(api.plauth, [pl_record['name']])
- if not slices:
- pointer = api.plshell.AddSlice(api.plauth, pl_record)
- else:
- pointer = slices[0]['slice_id']
- record.set_pointer(pointer)
- record['pointer'] = pointer
-
- elif (type == "user"):
- persons = api.plshell.GetPersons(api.plauth, [record['email']])
- if not persons:
- pointer = api.plshell.AddPerson(api.plauth, dict(record))
- else:
- pointer = persons[0]['person_id']
-
- if 'enabled' in record and record['enabled']:
- api.plshell.UpdatePerson(api.plauth, pointer, {'enabled': record['enabled']})
- # add this persons to the site only if he is being added for the first
- # time by sfa and doesont already exist in plc
- if not persons or not persons[0]['site_ids']:
- login_base = get_leaf(record['authority'])
- api.plshell.AddPersonToSite(api.plauth, pointer, login_base)
-
- # What roles should this user have?
- api.plshell.AddRoleToPerson(api.plauth, 'user', pointer)
- # Add the user's key
- if pub_key:
- api.plshell.AddPersonKey(api.plauth, pointer, {'key_type' : 'ssh', 'key' : pub_key})
-
- elif (type == "node"):
- pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
- login_base = hrn_to_pl_login_base(record['authority'])
- nodes = api.plshell.GetNodes(api.plauth, [pl_record['hostname']])
- if not nodes:
- pointer = api.plshell.AddNode(api.plauth, login_base, pl_record)
- else:
- pointer = nodes[0]['node_id']
-
- record['pointer'] = pointer
- record.set_pointer(pointer)
- record_id = table.insert(record)
- record['record_id'] = record_id
-
- # update membership for researchers, pis, owners, operators
- api.update_membership(None, record)
-
- return record.get_gid_object().save_to_string(save_parents=True)
-
-def update(api, record_dict):
- new_record = SfaRecord(dict = record_dict)
- type = new_record['type']
- hrn = new_record['hrn']
- urn = hrn_to_urn(hrn,type)
- table = SfaTable()
- # make sure the record exists
- records = table.findObjects({'type': type, 'hrn': hrn})
- if not records:
- raise RecordNotFound(hrn)
- record = records[0]
- record['last_updated'] = time.gmtime()
-
- # Update_membership needs the membership lists in the existing record
- # filled in, so it can see if members were added or removed
- api.fill_record_info(record)
-
- # Use the pointer from the existing record, not the one that the user
- # gave us. This prevents the user from inserting a forged pointer
- pointer = record['pointer']
- # update the PLC information that was specified with the record
-
- if (type == "authority"):
- api.plshell.UpdateSite(api.plauth, pointer, new_record)
-
- elif type == "slice":
- pl_record=api.sfa_fields_to_pl_fields(type, hrn, new_record)
- if 'name' in pl_record:
- pl_record.pop('name')
- api.plshell.UpdateSlice(api.plauth, pointer, pl_record)
-
- elif type == "user":
- # SMBAKER: UpdatePerson only allows a limited set of fields to be
- # updated. Ideally we should have a more generic way of doing
- # this. I copied the field names from UpdatePerson.py...
- update_fields = {}
- all_fields = new_record
- for key in all_fields.keys():
- if key in ['first_name', 'last_name', 'title', 'email',
- 'password', 'phone', 'url', 'bio', 'accepted_aup',
- 'enabled']:
- update_fields[key] = all_fields[key]
- api.plshell.UpdatePerson(api.plauth, pointer, update_fields)
-
- if 'key' in new_record and new_record['key']:
- # must check this key against the previous one if it exists
- persons = api.plshell.GetPersons(api.plauth, [pointer], ['key_ids'])
- person = persons[0]
- keys = person['key_ids']
- keys = api.plshell.GetKeys(api.plauth, person['key_ids'])
- key_exists = False
- if isinstance(new_record['key'], types.ListType):
- new_key = new_record['key'][0]
- else:
- new_key = new_record['key']
-
- # Delete all stale keys
- for key in keys:
- if new_record['key'] != key['key']:
- api.plshell.DeleteKey(api.plauth, key['key_id'])
- else:
- key_exists = True
- if not key_exists:
- api.plshell.AddPersonKey(api.plauth, pointer, {'key_type': 'ssh', 'key': new_key})
-
- # update the openssl key and gid
- pkey = convert_public_key(new_key)
- uuid = create_uuid()
- gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
- gid = gid_object.save_to_string(save_parents=True)
- record['gid'] = gid
- record = SfaRecord(dict=record)
- table.update(record)
-
- elif type == "node":
- api.plshell.UpdateNode(api.plauth, pointer, new_record)
-
- else:
- raise UnknownSfaType(type)
-
- # update membership for researchers, pis, owners, operators
- api.update_membership(record, new_record)
-
- return 1
-
-# expecting an Xrn instance
-def remove(api, xrn, origin_hrn=None):
-
- table = SfaTable()
- filter = {'hrn': xrn.get_hrn()}
- hrn=xrn.get_hrn()
- type=xrn.get_type()
- if type and type not in ['all', '*']:
- filter['type'] = type
-
- records = table.find(filter)
- if not records: raise RecordNotFound(hrn)
- record = records[0]
- type = record['type']
-
- credential = api.getCredential()
- registries = api.registries
-
- # Try to remove the object from the PLCDB of federated agg.
- # This is attempted before removing the object from the local agg's PLCDB and sfa table
- if hrn.startswith(api.hrn) and type in ['user', 'slice', 'authority']:
- for registry in registries:
- if registry not in [api.hrn]:
- try:
- result=registries[registry].remove_peer_object(credential, record, origin_hrn)
- except:
- pass
- if type == "user":
- persons = api.plshell.GetPersons(api.plauth, record['pointer'])
- # only delete this person if he has site ids. if he doesnt, it probably means
- # he was just removed from a site, not actually deleted
- if persons and persons[0]['site_ids']:
- api.plshell.DeletePerson(api.plauth, record['pointer'])
- elif type == "slice":
- if api.plshell.GetSlices(api.plauth, record['pointer']):
- api.plshell.DeleteSlice(api.plauth, record['pointer'])
- elif type == "node":
- if api.plshell.GetNodes(api.plauth, record['pointer']):
- api.plshell.DeleteNode(api.plauth, record['pointer'])
- elif type == "authority":
- if api.plshell.GetSites(api.plauth, record['pointer']):
- api.plshell.DeleteSite(api.plauth, record['pointer'])
- else:
- raise UnknownSfaType(type)
-
- table.remove(record)
-
- return 1
-
-def remove_peer_object(api, record, origin_hrn=None):
- pass
-
-def register_peer_object(api, record, origin_hrn=None):
- pass
git://git.onelab.eu / sfa.git / blobdiff