from geni.util.config import *
from geni.util.storage import *
-##
-# Convert geni fields to PLC fields for use when registering up updating
-# registry record in the PLC database
-#
-# @param type type of record (user, slice, ...)
-# @param hrn human readable name
-# @param geni_fields dictionary of geni fields
-# @param pl_fields dictionary of PLC fields (output)
-
-def geni_fields_to_pl_fields(type, hrn, geni_fields, pl_fields):
- if type == "user":
- if not "email" in pl_fields:
- if not "email" in geni_fields:
- raise MissingGeniInfo("email")
- pl_fields["email"] = geni_fields["email"]
-
- if not "first_name" in pl_fields:
- pl_fields["first_name"] = "geni"
-
- if not "last_name" in pl_fields:
- pl_fields["last_name"] = hrn
-
- elif type == "slice":
- if not "instantiation" in pl_fields:
- pl_fields["instantiation"] = "delegated" # "plc-instantiated"
- if not "name" in pl_fields:
- pl_fields["name"] = hrn_to_pl_slicename(hrn)
- if not "max_nodes" in pl_fields:
- pl_fields["max_nodes"] = 10
-
- elif type == "node":
- if not "hostname" in pl_fields:
- if not "dns" in geni_fields:
- raise MissingGeniInfo("dns")
- pl_fields["hostname"] = geni_fields["dns"]
-
- if not "model" in pl_fields:
- pl_fields["model"] = "geni"
-
- elif type == "sa":
- pl_fields["login_base"] = hrn_to_pl_login_base(hrn)
-
- if not "name" in pl_fields:
- pl_fields["name"] = hrn
-
- if not "abbreviated_name" in pl_fields:
- pl_fields["abbreviated_name"] = hrn
-
- if not "enabled" in pl_fields:
- pl_fields["enabled"] = True
-
- if not "is_public" in pl_fields:
- pl_fields["is_public"] = True
-
##
# Registry is a GeniServer that serves registry and slice operations at PLC.
##
# Register the server RPCs for the registry
- def register_functions(self):
- GeniServer.register_functions(self)
- # registry interface
- self.server.register_function(self.create_gid)
- self.server.register_function(self.get_self_credential)
- self.server.register_function(self.get_credential)
- self.server.register_function(self.get_gid)
- self.server.register_function(self.get_ticket)
- self.server.register_function(self.register)
- self.server.register_function(self.remove)
- self.server.register_function(self.update)
- self.server.register_function(self.list)
- self.server.register_function(self.resolve)
-
-
def loadCredential(self):
"""
Attempt to load credential from file if it exists. If it doesnt get
url = 'http://%(address)s:%(port)s' % locals()
self.registries[hrn] = GeniClient(url, self.key_file, self.cert_file)
- ##
- # Given an authority name, return the information for that authority. This
- # is basically a stub that calls the hierarchy module.
- #
- # @param auth_hrn human readable name of authority
-
- def get_auth_info(self, auth_hrn):
- return self.hierarchy.get_auth_info(auth_hrn)
-
- ##
- # Given an authority name, return the database table for that authority. If
- # the database table does not exist, then one will be automatically
- # created.
- #
- # @param auth_name human readable name of authority
-
- def get_auth_table(self, auth_name):
- auth_info = self.get_auth_info(auth_name)
-
- table = GeniTable(hrn=auth_name,
- cninfo=auth_info.get_dbinfo())
-
- # if the table doesn't exist, then it means we haven't put any records
- # into this authority yet.
-
- if not table.exists():
- print "Registry: creating table for authority", auth_name
- table.create()
-
- return table
-
- ##
- # Verify that an authority belongs to this registry. This is basically left
- # up to the implementation of the hierarchy module. If the specified name
- # does not belong to this registry, an exception is thrown indicating the
- # caller should contact someone else.
- #
- # @param auth_name human readable name of authority
-
- def verify_auth_belongs_to_me(self, name):
- # get_auth_info will throw an exception if the authority does not
- # exist
- self.get_auth_info(name)
-
- ##
- # Verify that an object belongs to this registry. By extension, this implies
- # that the authority that owns the object belongs to this registry. If the
- # object does not belong to this registry, then an exception is thrown.
- #
- # @param name human readable name of object
-
- def verify_object_belongs_to_me(self, name):
- auth_name = get_authority(name)
- if not auth_name:
- # the root authority belongs to the registry by default?
- # TODO: is this true?
- return
- self.verify_auth_belongs_to_me(auth_name)
-
- ##
- # Verify that the object_gid that was specified in the credential allows
- # permission to the object 'name'. This is done by a simple prefix test.
- # For example, an object_gid for planetlab.us.arizona would match the
- # objects planetlab.us.arizona.slice1 and planetlab.us.arizona.
- #
- # @param name human readable name to test
-
- def verify_object_permission(self, name):
- object_hrn = self.object_gid.get_hrn()
- if object_hrn == name:
- return
- if name.startswith(object_hrn + "."):
- return
- raise PermissionError(name)
-
- ##
- # Fill in the planetlab-specific fields of a Geni record. This involves
- # calling the appropriate PLC methods to retrieve the database record for
- # the object.
- #
- # PLC data is filled into the pl_info field of the record.
- #
- # @param record record to fill in fields (in/out param)
-
- def fill_record_pl_info(self, record):
- type = record.get_type()
- pointer = record.get_pointer()
-
- # records with pointer==-1 do not have plc info associated with them.
- # for example, the top level authority records which are
- # authorities, but not PL "sites"
- if pointer == -1:
- record.set_pl_info({})
- return
-
- if (type == "sa") or (type == "ma"):
- pl_res = self.shell.GetSites(self.pl_auth, [pointer])
- elif (type == "slice"):
- pl_res = self.shell.GetSlices(self.pl_auth, [pointer])
- elif (type == "user"):
- pl_res = self.shell.GetPersons(self.pl_auth, [pointer])
- key_ids = pl_res[0]['key_ids']
- keys = self.shell.GetKeys(self.pl_auth, key_ids)
- pubkeys = []
- if keys:
- pubkeys = [key['key'] for key in keys]
- pl_res[0]['keys'] = pubkeys
- elif (type == "node"):
- pl_res = self.shell.GetNodes(self.pl_auth, [pointer])
- else:
- raise UnknownGeniType(type)
-
- if not pl_res:
- # the planetlab record no longer exists
- # TODO: delete the geni record ?
- raise PlanetLabRecordDoesNotExist(record.get_name())
-
- record.set_pl_info(pl_res[0])
-
- ##
- # Look up user records given PLC user-ids. This is used as part of the
- # process for reverse-mapping PLC records into Geni records.
- #
- # @param auth_table database table for the authority that holds the user records
- # @param user_id_list list of user ids
- # @param role either "*" or a string describing the role to look for ("pi", "user", ...)
- #
- # TODO: This function currently only searches one authority because it would
- # be inefficient to brute-force search all authorities for a user id. The
- # solution would likely be to implement a reverse mapping of user-id to
- # (type, hrn) pairs.
-
- def lookup_users(self, auth_table, user_id_list, role="*"):
- record_list = []
- for person_id in user_id_list:
- user_records = auth_table.find("user", person_id, "pointer")
- for user_record in user_records:
- self.fill_record_info(user_record)
-
- user_roles = user_record.get_pl_info().get("roles")
- if (role=="*") or (role in user_roles):
- record_list.append(user_record.get_name())
- return record_list
-
- ##
- # Fill in the geni-specific fields of the record.
- #
- # Note: It is assumed the fill_record_pl_info() has already been performed
- # on the record.
-
- def fill_record_geni_info(self, record):
- geni_info = {}
- type = record.get_type()
-
- if (type == "slice"):
- auth_table = self.get_auth_table(get_authority(record.get_name()))
- person_ids = record.pl_info.get("person_ids", [])
- researchers = self.lookup_users(auth_table, person_ids)
- geni_info['researcher'] = researchers
-
- elif (type == "sa"):
- auth_table = self.get_auth_table(record.get_name())
- person_ids = record.pl_info.get("person_ids", [])
- pis = self.lookup_users(auth_table, person_ids, "pi")
- geni_info['pi'] = pis
- # TODO: OrganizationName
-
- elif (type == "ma"):
- auth_table = self.get_auth_table(record.get_name())
- person_ids = record.pl_info.get("person_ids", [])
- operators = self.lookup_users(auth_table, person_ids, "tech")
- geni_info['operator'] = operators
- # TODO: OrganizationName
-
- auth_table = self.get_auth_table(record.get_name())
- person_ids = record.pl_info.get("person_ids", [])
- owners = self.lookup_users(auth_table, person_ids, "admin")
- geni_info['owner'] = owners
-
- elif (type == "node"):
- geni_info['dns'] = record.pl_info.get("hostname", "")
- # TODO: URI, LatLong, IP, DNS
-
- elif (type == "user"):
- geni_info['email'] = record.pl_info.get("email", "")
- # TODO: PostalAddress, Phone
-
- record.set_geni_info(geni_info)
-
- ##
- # Given a Geni record, fill in the PLC-specific and Geni-specific fields
- # in the record.
-
- def fill_record_info(self, record):
- self.fill_record_pl_info(record)
- self.fill_record_geni_info(record)
-
- def update_membership_list(self, oldRecord, record, listName, addFunc, delFunc):
- # get a list of the HRNs tht are members of the old and new records\r
- if oldRecord:\r
- if oldRecord.pl_info == None:\r
- oldRecord.pl_info = {}\r
- oldList = oldRecord.get_geni_info().get(listName, [])\r
- else:\r
- oldList = []\r
- newList = record.get_geni_info().get(listName, [])\r
-\r
- # if the lists are the same, then we don't have to update anything\r
- if (oldList == newList):\r
- return\r
-\r
- # build a list of the new person ids, by looking up each person to get\r
- # their pointer\r
- newIdList = []\r
- for hrn in newList:\r
- userRecord = self.resolve_raw("user", hrn)[0]\r
- newIdList.append(userRecord.get_pointer())\r
-\r
- # build a list of the old person ids from the person_ids field of the\r
- # pl_info\r
- if oldRecord:\r
- oldIdList = oldRecord.pl_info.get("person_ids", [])\r
- containerId = oldRecord.get_pointer()\r
- else:\r
- # if oldRecord==None, then we are doing a Register, instead of an\r
- # update.\r
- oldIdList = []\r
- containerId = record.get_pointer()\r
-\r
- # add people who are in the new list, but not the oldList\r
- for personId in newIdList:\r
- if not (personId in oldIdList):\r
- print "adding id", personId, "to", record.get_name()\r
- addFunc(self.pl_auth, personId, containerId)\r
-\r
- # remove people who are in the old list, but not the new list\r
- for personId in oldIdList:\r
- if not (personId in newIdList):\r
- print "removing id", personId, "from", record.get_name()\r
- delFunc(self.pl_auth, personId, containerId)\r
-\r
- def update_membership(self, oldRecord, record):\r
- if record.type == "slice":\r
- self.update_membership_list(oldRecord, record, 'researcher',\r
- self.shell.AddPersonToSlice,\r
- self.shell.DeletePersonFromSlice)\r
- elif record.type == "sa":\r
- # TODO\r
- pass\r
- elif record.type == "ma":\r
- # TODO\r
- pass
-
- ##
- # GENI API: register
- #
- # Register an object with the registry. In addition to being stored in the
- # Geni database, the appropriate records will also be created in the
- # PLC databases
- #
- # @param cred credential string
- # @param record_dict dictionary containing record fields
-
- def register(self, cred, record_dict):
- self.decode_authentication(cred, "register")
-
- record = GeniRecord(dict = record_dict)
- type = record.get_type()
- name = record.get_name()
-
- auth_name = get_authority(name)
- self.verify_object_permission(auth_name)
- auth_info = self.get_auth_info(auth_name)
- table = self.get_auth_table(auth_name)
-
- pkey = None
-
- # check if record already exists
- existing_records = table.resolve(type, name)
- if existing_records:
- raise ExistingRecord(name)
-
- if (type == "sa") or (type=="ma"):
- # update the tree
- if not self.hierarchy.auth_exists(name):
- self.hierarchy.create_auth(name)
-
- # authorities are special since they are managed by the registry
- # rather than by the caller. We create our own GID for the
- # authority rather than relying on the caller to supply one.
-
- # get the GID from the newly created authority
- child_auth_info = self.get_auth_info(name)
- gid = auth_info.get_gid_object()
- record.set_gid(gid.save_to_string(save_parents=True))
-
- geni_fields = record.get_geni_info()
- site_fields = record.get_pl_info()
-
- # if registering a sa, see if a ma already exists
- # if registering a ma, see if a sa already exists
- if (type == "sa"):
- other_rec = table.resolve("ma", record.get_name())
- elif (type == "ma"):
- other_rec = table.resolve("sa", record.get_name())
-
- if other_rec:
- print "linking ma and sa to the same plc site"
- pointer = other_rec[0].get_pointer()
- else:
- geni_fields_to_pl_fields(type, name, geni_fields, site_fields)
- print "adding site with fields", site_fields
- pointer = self.shell.AddSite(self.pl_auth, site_fields)
-
- record.set_pointer(pointer)
-
- elif (type == "slice"):
- geni_fields = record.get_geni_info()
- slice_fields = record.get_pl_info()
-
- geni_fields_to_pl_fields(type, name, geni_fields, slice_fields)
-
- pointer = self.shell.AddSlice(self.pl_auth, slice_fields)
- record.set_pointer(pointer)
-
- elif (type == "user"):
- geni_fields = record.get_geni_info()
- user_fields = record.get_pl_info()
-
- geni_fields_to_pl_fields(type, name, geni_fields, user_fields)
-
- pointer = self.shell.AddPerson(self.pl_auth, user_fields)
- record.set_pointer(pointer)
-
- elif (type == "node"):
- geni_fields = record.get_geni_info()
- node_fields = record.get_pl_info()
-
- geni_fields_to_pl_fields(type, name, geni_fields, node_fields)
-
- login_base = hrn_to_pl_login_base(auth_name)
-
- print "calling addnode with", login_base, node_fields
- pointer = self.shell.AddNode(self.pl_auth, login_base, node_fields)
- record.set_pointer(pointer)
-
- else:
- raise UnknownGeniType(type)
-
- table.insert(record)
-
- # update membership for researchers, pis, owners, operators
- self.update_membership(None, record)
-
- return record.get_gid_object().save_to_string(save_parents=True)
-
- ##
- # GENI API: remove
- #
- # Remove an object from the registry. If the object represents a PLC object,
- # then the PLC records will also be removed.
- #
- # @param cred credential string
- # @param record_dict dictionary containing record fields. The only relevant
- # fields of the record are 'name' and 'type', which are used to lookup
- # the current copy of the record in the Geni database, to make sure
- # that the appopriate record is removed.
-
- def remove(self, cred, type, hrn):
- self.decode_authentication(cred, "remove")
-
- self.verify_object_permission(hrn)
-
- auth_name = get_authority(hrn)
- table = self.get_auth_table(auth_name)
-
- record_list = table.resolve(type, hrn)
- if not record_list:
- raise RecordNotFound(hrn)
- record = record_list[0]
-
- # TODO: sa, ma
- if type == "user":
- self.shell.DeletePerson(self.pl_auth, record.get_pointer())
- elif type == "slice":
- self.shell.DeleteSlice(self.pl_auth, record.get_pointer())
- elif type == "node":
- self.shell.DeleteNode(self.pl_auth, record.get_pointer())
- elif (type == "sa") or (type == "ma"):
- if (type == "sa"):
- other_rec = table.resolve("ma", record.get_name())
- elif (type == "ma"):
- other_rec = table.resolve("sa", record.get_name())
-
- if other_rec:
- # sa and ma both map to a site, so if we are deleting one
- # but the other still exists, then do not delete the site
- print "not removing site", record.get_name(), "because either sa or ma still exists"
- pass
- else:
- print "removing site", record.get_name()
- self.shell.DeleteSite(self.pl_auth, record.get_pointer())
- else:
- raise UnknownGeniType(type)
-
- table.remove(record)
-
- return True
-
- ##
- # GENI API: Update
- #
- # Update an object in the registry. Currently, this only updates the
- # PLC information associated with the record. The Geni fields (name, type,
- # GID) are fixed.
- #
- # The record is expected to have the pl_info field filled in with the data
- # that should be updated.
- #
- # TODO: The geni_info member of the record should be parsed and the pl_info
- # adjusted as necessary (add/remove users from a slice, etc)
- #
- # @param cred credential string specifying rights of the caller
- # @param record a record dictionary to be updated
-
- def update(self, cred, record_dict):
- self.decode_authentication(cred, "update")
-
- record = GeniRecord(dict = record_dict)
- type = record.get_type()
-
- self.verify_object_permission(record.get_name())
-
- auth_name = get_authority(record.get_name())
- if not auth_name:
- auth_name = record.get_name()
- table = self.get_auth_table(auth_name)
-
- # make sure the record exists
- existing_record_list = table.resolve(type, record.get_name())
- if not existing_record_list:
- raise RecordNotFound(record.get_name())
- existing_record = existing_record_list[0]
-
- # Update_membership needs the membership lists in the existing record
- # filled in, so it can see if members were added or removed
- self.fill_record_info(existing_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 = existing_record.get_pointer()
-
- # update the PLC information that was specified with the record
-
- if (type == "sa") or (type == "ma"):
- self.shell.UpdateSite(self.pl_auth, pointer, record.get_pl_info())
-
- elif type == "slice":
- self.shell.UpdateSlice(self.pl_auth, pointer, record.get_pl_info())
-
- 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 = record.get_pl_info()
- for key in all_fields.keys():
- if key in ['first_name', 'last_name', 'title', 'email',
- 'password', 'phone', 'url', 'bio', 'accepted_aup',\r
- 'enabled']:
- update_fields[key] = all_fields[key]
- self.shell.UpdatePerson(self.pl_auth, pointer, update_fields)
-
- elif type == "node":
- self.shell.UpdateNode(self.pl_auth, pointer, record.get_pl_info())
-
- else:
- raise UnknownGeniType(type)
-
- # update membership for researchers, pis, owners, operators\r
- self.update_membership(existing_record, record)
-
- ##
- # List the records in an authority. The objectGID in the supplied credential
- # should name the authority that will be listed.
- #
- # TODO: List doesn't take an hrn and uses the hrn contained in the
- # objectGid of the credential. Does this mean the only way to list an
- # authority is by having a credential for that authority?
- #
- # @param cred credential string specifying rights of the caller
- #
- # @return list of record dictionaries
- def list(self, cred, auth_hrn):
- self.decode_authentication(cred, "list")
-
- if not self.hierarchy.auth_exists(auth_hrn):
- raise MissingAuthority(auth_hrn)
-
- table = self.get_auth_table(auth_hrn)
-
- records = table.list()
-
- return records
-
- ##
- # Resolve a record. This is an internal version of the Resolve API call
- # and returns records in record object format rather than dictionaries
- # that may be sent over XMLRPC.
- #
- # @param type type of record to resolve (user | sa | ma | slice | node)
- # @param name human readable name of object
- # @param must_exist if True, throw an exception if no records are found
- #
- # @return a list of record objects, or an empty list []
-
- def resolve_raw(self, type, name, must_exist=True):
- auth_name = get_authority(name)
- if not auth_name:
- auth_name = name
- table = self.get_auth_table(auth_name)
- records = table.resolve(type, name)
- if (not records) and must_exist:
- raise RecordNotFound(name)
-
- good_records = []
- for record in records:
- try:
- self.fill_record_info(record)
- good_records.append(record)
- except PlanetLabRecordDoesNotExist:
- # silently drop the ones that are missing in PL.
- # is this the right thing to do?
- print "ignoring geni record ", record.get_name(), "because pl record does not exist"
- table.remove(record)
-
- return good_records
-
- ##
- # GENI API: Resolve
- #
- # This is a wrapper around resolve_raw that converts records objects into
- # dictionaries before returning them to the user.
- #
- # @param cred credential string authorizing the caller
- # @param name human readable name to resolve
- #
- # @return a list of record dictionaries, or an empty list
-
- def resolve(self, cred, name):
- self.decode_authentication(cred, "resolve")
-
- try:
- records = self.resolve_raw("*", name)
- except:
- records = []
- for registry in self.registries:
- if name.startswith(registry):
- records = self.registries[registry].resolve(self.credential, name)
-
-
- dicts = []
- for record in records:
- dicts.append(record.as_dict())
-
- return dicts
-
- ##
- # GENI API: get_gid
- #
- # Retrieve the GID for an object. This function looks up a record in the
- # registry and returns the GID of the record if it exists.
- # TODO: Is this function needed? It's a shortcut for Resolve()
- #
- # @param name hrn to look up
- #
- # @return the string representation of a GID object
-
- def get_gid(self, name):
- self.verify_object_belongs_to_me(name)
- records = self.resolve_raw("*", name)
- gid_string_list = []
- for record in records:
- gid = record.get_gid_object()
- gid_string_list.append(gid.save_to_string(save_parents=True))
- return gid_string_list
-
- ##
- # Determine tje rights that an object should have. The rights are entirely
- # dependent on the type of the object. For example, users automatically
- # get "refresh", "resolve", and "info".
- #
- # @param type the type of the object (user | sa | ma | slice | node)
- # @param name human readable name of the object (not used at this time)
- #
- # @return RightList object containing rights
-
- def determine_rights(self, type, name):
- rl = RightList()
-
- # rights seem to be somewhat redundant with the type of the credential.
- # For example, a "sa" credential implies the authority right, because
- # a sa credential cannot be issued to a user who is not an owner of
- # the authority
-
- if type == "user":
- rl.add("refresh")
- rl.add("resolve")
- rl.add("info")
- elif type == "sa":
- rl.add("authority,sa")
- elif type == "ma":
- rl.add("authority,ma")
- elif type == "slice":
- rl.add("refresh")
- rl.add("embed")
- rl.add("bind")
- rl.add("control")
- rl.add("info")
- elif type == "component":
- rl.add("operator")
-
- return rl
-
- ##
- # GENI API: Get_self_credential
- #
- # Get_self_credential a degenerate version of get_credential used by a
- # client to get his initial credential when he doesn't have one. This is
- # the same as get_credential(..., 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 retrieve another principal's
- # credential without having the appropriate private key.
- #
- # @param type type of object (user | slice | sa | ma | node
- # @param name human readable name of object
- #
- # @return the string representation of a credential object
-
- def get_self_credential(self, type, name):
- self.verify_object_belongs_to_me(name)
-
- auth_hrn = get_authority(name)
- if not auth_hrn:
- auth_hrn = name
- auth_info = self.get_auth_info(auth_hrn)
- # find a record that matches
- records = self.resolve_raw(type, name, must_exist=True)
- record = records[0]
-
- gid = record.get_gid_object()
- peer_cert = self.server.peer_cert
- if not peer_cert.is_pubkey(gid.get_pubkey()):
- raise ConnectionKeyGIDMismatch(gid.get_subject())
-
- # 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())
-
- rl = self.determine_rights(type, name)
- cred.set_privileges(rl)
-
- # determine the type of credential that we want to use as a parent for
- # this credential.
-
- if (type == "ma") or (type == "node"):
- auth_kind = "authority,ma"
- else: # user, slice, sa
- auth_kind = "authority,sa"
-
- cred.set_parent(self.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
-
- cred.encode()
- cred.sign()
-
- return cred.save_to_string(save_parents=True)
-
- ##
- # verify_cancreate_credential
- #
- # Verify that a user can retrieve a particular type of credential. For
- # slices, the user must be on the researcher list. For SA and MA the user
- # must be on the pi and operator lists respectively.
-
- def verify_cancreate_credential(self, src_cred, record):
- type = record.get_type()
- cred_object_hrn = src_cred.get_gid_object().get_hrn()
- config = Config()
- if cred_object_hrn in [config.GENI_REGISTRY_ROOT_AUTH]:
- return
- if type=="slice":
- researchers = record.get_geni_info().get("researcher", [])
- if not (cred_object_hrn in researchers):
- raise PermissionError(cred_object_hrn + " is not in researcher list for " + record.get_name())
- elif type == "sa":
- pis = record.get_geni_info().get("pi", [])
- if not (cred_object_hrn in pis):
- raise PermissionError(cred_object_hrn + " is not in pi list for " + record.get_name())
- elif type == "ma":
- operators = record.get_geni_info().get("operator", [])
- if not (cred_object_hrn in operators):
- raise PermissionError(cred_object_hrn + " is not in operator list for " + record.get_name())
-
- ##
- # GENI API: Get_credential
- #
- # Retrieve a credential for an object.
- #
- # If cred==None, then the behavior reverts to get_self_credential()
- #
- # @param cred credential object specifying rights of the caller
- # @param type type of object (user | slice | sa | ma | node)
- # @param name human readable name of object
- #
- # @return the string representation of a credental object
-
- def get_credential(self, cred, type, name):
- if not cred:
- return self.get_self_credential(type, name)
-
- self.decode_authentication(cred, "getcredential")
-
- self.verify_object_belongs_to_me(name)
-
- auth_hrn = get_authority(name)
- if not auth_hrn:
- auth_hrn = name
- auth_info = self.get_auth_info(auth_hrn)
-
- records = self.resolve_raw(type, name, must_exist=True)
- record = records[0]
-
- # verify_cancreate_credential requires that the member lists
- # (researchers, pis, etc) be filled in
- self.fill_record_info(record)
-
- self.verify_cancreate_credential(self.client_cred, record)
-
- # TODO: Check permission that self.client_cred can access the object
-
- object_gid = record.get_gid_object()
- new_cred = Credential(subject = object_gid.get_subject())
- new_cred.set_gid_caller(self.client_gid)
- new_cred.set_gid_object(object_gid)
- new_cred.set_issuer(key=auth_info.get_pkey_object(), subject=auth_hrn)
- new_cred.set_pubkey(object_gid.get_pubkey())
-
- rl = self.determine_rights(type, name)
- new_cred.set_privileges(rl)
-
- # determine the type of credential that we want to use as a parent for
- # this credential.
-
- if (type == "ma") or (type == "node"):
- auth_kind = "authority,ma"
- else: # user, slice, sa
- auth_kind = "authority,sa"
-
- new_cred.set_parent(self.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
-
- new_cred.encode()
- new_cred.sign()
-
- return new_cred.save_to_string(save_parents=True)
-
- ##
- # GENI API: get_ticket
- #
- # Retrieve a ticket. This operation is currently implemented on PLC
- # only (see SFA, engineering decisions); it is not implemented on
- # components.
- #
- # The ticket is filled in with information from the PLC database. This
- # information includes resources, and attributes such as user keys and
- # initscripts.
- #
- # @param cred credential string
- # @param name name of the slice to retrieve a ticket for
- # @param rspec resource specification dictionary
- #
- # @return the string representation of a ticket object
-
- def get_ticket(self, cred, name, rspec):
- self.decode_authentication(cred, "getticket")
-
- self.verify_object_belongs_to_me(name)
-
- self.verify_object_permission(name)
-
- # XXX much of this code looks like get_credential... are they so similar
- # that they should be combined?
-
- auth_hrn = get_authority(name)
- if not auth_hrn:
- auth_hrn = name
- auth_info = self.get_auth_info(auth_hrn)
-
- records = self.resolve_raw("slice", name, must_exist=True)
- record = records[0]
-
- object_gid = record.get_gid_object()
- new_ticket = Ticket(subject = object_gid.get_subject())
- new_ticket.set_gid_caller(self.client_gid)
- new_ticket.set_gid_object(object_gid)
- new_ticket.set_issuer(key=auth_info.get_pkey_object(), subject=auth_hrn)
- new_ticket.set_pubkey(object_gid.get_pubkey())
-
- self.fill_record_info(record)
-
- (attributes, rspec) = self.record_to_slice_info(record)
-
- new_ticket.set_attributes(attributes)
- new_ticket.set_rspec(rspec)
-
- new_ticket.set_parent(AuthHierarchy.get_auth_ticket(auth_hrn))
-
- new_ticket.encode()
- new_ticket.sign()
-
- return new_ticket.save_to_string(save_parents=True)
-
- ##
- # GENI_API: Create_gid
- #
- # Create a new GID. For MAs and SAs that are physically located on the
- # registry, this allows a owner/operator/PI to create a new GID and have it
- # signed by his respective authority.
- #
- # @param cred credential of caller
- # @param name hrn for new GID
- # @param uuid unique identifier for new GID
- # @param pkey_string public-key string (TODO: why is this a string and not a keypair object?)
- #
- # @return the string representation of a GID object
-
- def create_gid(self, cred, name, uuid, pubkey_str):
- self.decode_authentication(cred, "getcredential")
-
- self.verify_object_belongs_to_me(name)
-
- self.verify_object_permission(name)
-
- if uuid == None:
- uuid = create_uuid()
-
- pkey = Keypair()
- pkey.load_pubkey_from_string(pubkey_str)
- gid = self.hierarchy.create_gid(name, uuid, pkey)
-
- return gid.save_to_string(save_parents=True)
-
git://git.onelab.eu / sfa.git / commitdiff