sfa/methods/register.py

   1 ### $Id$
   2 ### $URL$
   3
   4 from sfa.trust.certificate import Keypair, convert_public_key
   5 from sfa.trust.gid import *
   6
   7 from sfa.util.faults import *
   8 from sfa.util.misc import *
   9 from sfa.util.method import Method
  10 from sfa.util.parameter import Parameter, Mixed
  11 from sfa.util.record import GeniRecord
  12 from sfa.util.genitable import GeniTable
  13 from sfa.util.debug import log
  14 from sfa.trust.auth import Auth
  15 from sfa.trust.gid import create_uuid
  16 from sfa.trust.credential import Credential
  17
  18 class register(Method):
  19     """
  20     Register an object with the registry. In addition to being stored in the
  21     Geni database, the appropriate records will also be created in the
  22     PLC databases
  23
  24     @param cred credential string
  25     @param record_dict dictionary containing record fields
  26
  27     @return gid string representation
  28     """
  29
  30     interfaces = ['registry']
  31
  32     accepts = [
  33         Parameter(str, "Credential string"),
  34         Parameter(dict, "Record dictionary containing record fields"),
  35         Mixed(Parameter(str, "Request hash"),
  36               Parameter(None, "Request hash not specified"))
  37         ]
  38
  39     returns = Parameter(int, "String representation of gid object")
  40
  41     def call(self, cred, record_dict, request_hash=None, origin_hrn=None):
  42         # This cred will be an authority cred, not a user, so we cant use it to
  43         # authenticate the caller's request_hash. Let just get the caller's gid
  44         # from the cred and authenticate using that
  45         client_gid = Credential(string=cred).get_gid_caller()
  46         client_gid_str = client_gid.save_to_string(save_parents=True)
  47         self.api.auth.authenticateGid(client_gid_str, [cred], request_hash)
  48         self.api.auth.check(cred, "register")
  49         if origin_hrn==None:
  50                 origin_hrn=Credential(string=cred).get_gid_caller().get_hrn()
  51
  52         #log the call
  53         self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, origin_hrn, None, self.name))
  54         record = GeniRecord(dict = record_dict)
  55         record['authority'] = get_authority(record['hrn'])
  56         type = record['type']
  57         hrn = record['hrn']
  58         self.api.auth.verify_object_permission(hrn)
  59         auth_info = self.api.auth.get_auth_info(record['authority'])
  60         pub_key = None
  61         # make sure record has a gid
  62         if 'gid' not in record:
  63             uuid = create_uuid()
  64             pkey = Keypair(create=True)
  65             if 'key' in record and record['key']:
  66                 if isinstance(record['key'], list):
  67                     pub_key = record['key'][0]
  68                 else:
  69                     pub_key = record['key']
  70                 pkey = convert_public_key(pub_key)
  71
  72             gid_object = self.api.auth.hierarchy.create_gid(hrn, uuid, pkey)
  73             gid = gid_object.save_to_string(save_parents=True)
  74             record['gid'] = gid
  75             record.set_gid(gid)
  76
  77         # check if record already exists
  78         table = GeniTable()
  79         existing_records = table.find({'type': type, 'hrn': hrn})
  80         if existing_records:
  81             raise ExistingRecord(hrn)
  82
  83         if type in ["authority"]:
  84             # update the tree
  85             if not self.api.auth.hierarchy.auth_exists(hrn):
  86                 self.api.auth.hierarchy.create_auth(hrn)
  87
  88             # authorities are special since they are managed by the registry
  89             # rather than by the caller. We create our own GID for the
  90             # authority rather than relying on the caller to supply one.
  91
  92             # get the GID from the newly created authority
  93             gid = auth_info.get_gid_object()
  94             record.set_gid(gid.save_to_string(save_parents=True))
  95
  96             pl_record = self.api.geni_fields_to_pl_fields(type, hrn, record)
  97             sites = self.api.plshell.GetSites(self.api.plauth, [pl_record['login_base']])
  98             if not sites:
  99                 pointer = self.api.plshell.AddSite(self.api.plauth, pl_record)
 100             else:
 101                 pointer = sites[0]['site_id']
 102
 103             record.set_pointer(pointer)
 104             record['pointer'] = pointer
 105
 106         elif (type == "slice"):
 107             pl_record = self.api.geni_fields_to_pl_fields(type, hrn, record)
 108             slices = self.api.plshell.GetSlices(self.api.plauth, [pl_record['name']])
 109             if not slices:
 110                 pointer = self.api.plshell.AddSlice(self.api.plauth, pl_record)
 111             else:
 112                 pointer = slices[0]['slice_id']
 113             record.set_pointer(pointer)
 114             record['pointer'] = pointer
 115
 116         elif  (type == "user"):
 117             persons = self.api.plshell.GetPersons(self.api.plauth, [record['email']])
 118             if not persons:
 119                 pointer = self.api.plshell.AddPerson(self.api.plauth, dict(record))
 120             else:
 121                 raise ExistingRecord(record['email'])
 122
 123             if 'enabled' in record and record['enabled']:
 124                 self.api.plshell.UpdatePerson(self.api.plauth, pointer, {'enabled': record['enabled']})
 125             # add this persons to the site only if he is being added for the first
 126             # time by sfa and doesont already exist in plc
 127             if not persons or not persons[0]['site_ids']:
 128                 login_base = get_leaf(record['authority'])
 129                 self.api.plshell.AddPersonToSite(self.api.plauth, pointer, login_base)
 130
 131             # What roles should this user have?
 132             self.api.plshell.AddRoleToPerson(self.api.plauth, 'user', pointer)
 133             record.set_pointer(pointer)
 134             record['pointer'] = pointer
 135             # Add the user's key
 136             if pub_key:
 137                 self.api.plshell.AddPersonKey(self.api.plauth, pointer, {'key_type' : 'ssh', 'key' : pub_key})
 138
 139         elif (type == "node"):
 140             pl_record = self.api.geni_fields_to_pl_fields(type, hrn, record)
 141             login_base = hrn_to_pl_login_base(record['authority'])
 142             nodes = self.api.plshell.GetNodes(self.api.plauth, [pl_record['hostname']])
 143             if not nodes:
 144                 pointer = self.api.plshell.AddNode(self.api.plauth, login_base, pl_record)
 145             else:
 146                 pointer = nodes[0]['node_id']
 147             record['pointer'] = pointer
 148             record.set_pointer(pointer)
 149
 150         else:
 151             raise UnknownGeniType(type)
 152
 153         record_id = table.insert(record)
 154         record['record_id'] = record_id
 155
 156         # update membership for researchers, pis, owners, operators
 157         self.api.update_membership(None, record)
 158
 159         return record.get_gid_object().save_to_string(save_parents=True)