sfa/methods/update.py

   1 ### $Id$
   2 ### $URL$
   3
   4 import time
   5 from sfa.util.faults import *
   6 from sfa.util.method import Method
   7 from sfa.util.parameter import Parameter, Mixed
   8 from sfa.trust.auth import Auth
   9 from sfa.util.record import GeniRecord
  10 from sfa.util.genitable import GeniTable
  11 from sfa.trust.certificate import Keypair, convert_public_key
  12 from sfa.trust.gid import *
  13 from sfa.util.debug import log
  14 from sfa.trust.credential import Credential
  15
  16 class update(Method):
  17     """
  18     Update an object in the registry. Currently, this only updates the
  19     PLC information associated with the record. The Geni fields (name, type,
  20     GID) are fixed.
  21
  22     @param cred credential string specifying rights of the caller
  23     @param record a record dictionary to be updated
  24
  25     @return 1 if successful, faults otherwise
  26     """
  27
  28     interfaces = ['registry']
  29
  30     accepts = [
  31         Parameter(str, "Credential string"),
  32         Parameter(dict, "Record dictionary to be updated"),
  33         Parameter(str, "Request hash")
  34         ]
  35
  36     returns = Parameter(int, "1 if successful")
  37
  38     def call(self, cred, record_dict, request_hash, caller_cred=None):
  39         if caller_cred==None:
  40                 caller_cred=cred
  41
  42             #log the call
  43         self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, Credential(string=caller_cred).get_gid_caller().get_hrn(), None, self.name))
  44         # This cred might be an authority cred, not a user, so we cant use it to
  45         # authenticate the caller's request_hash. Let just get the caller's gid
  46         # from the cred and authenticate using that
  47         client_gid = Credential(string=cred).get_gid_caller()
  48         client_gid_str = client_gid.save_to_string(save_parents=True)
  49         self.api.auth.authenticateGid(client_gid_str, [cred], request_hash)
  50         self.api.auth.check(cred, "update")
  51         new_record = GeniRecord(dict = record_dict)
  52         type = new_record['type']
  53         hrn = new_record['hrn']
  54         self.api.auth.verify_object_permission(hrn)
  55         table = GeniTable()
  56         # make sure the record exists
  57         records = table.findObjects({'type': type, 'hrn': hrn})
  58         if not records:
  59             raise RecordNotFound(hrn)
  60         record = records[0]
  61         record['last_updated'] = time.gmtime()
  62
  63         # Update_membership needs the membership lists in the existing record
  64         # filled in, so it can see if members were added or removed
  65         self.api.fill_record_info(record)
  66
  67          # Use the pointer from the existing record, not the one that the user
  68         # gave us. This prevents the user from inserting a forged pointer
  69         pointer = record['pointer']
  70
  71         # update the PLC information that was specified with the record
  72
  73         if (type == "authority"):
  74             self.api.plshell.UpdateSite(self.api.plauth, pointer, new_record)
  75
  76         elif type == "slice":
  77             pl_record=self.api.geni_fields_to_pl_fields(type, hrn, new_record)
  78             if 'name' in pl_record:
  79                 pl_record.pop('name')
  80             self.api.plshell.UpdateSlice(self.api.plauth, pointer, pl_record)
  81
  82         elif type == "user":
  83             # SMBAKER: UpdatePerson only allows a limited set of fields to be
  84             #    updated. Ideally we should have a more generic way of doing
  85             #    this. I copied the field names from UpdatePerson.py...
  86             update_fields = {}
  87             all_fields = new_record
  88             for key in all_fields.keys():
  89                 if key in ['first_name', 'last_name', 'title', 'email',
  90                            'password', 'phone', 'url', 'bio', 'accepted_aup',
  91                            'enabled']:
  92                     update_fields[key] = all_fields[key]
  93             self.api.plshell.UpdatePerson(self.api.plauth, pointer, update_fields)
  94
  95             if 'key' in new_record and new_record['key']:
  96                 # must check this key against the previous one if it exists
  97                 persons = self.api.plshell.GetPersons(self.api.plauth, [pointer], ['key_ids'])
  98                 person = persons[0]
  99                 keys = person['key_ids']
 100                 keys = self.api.plshell.GetKeys(self.api.plauth, person['key_ids'])
 101                 key_exists = False
 102                 if isinstance(new_record['key'], list):
 103                     new_key = new_record['key'][0]
 104                 else:
 105                     new_key = new_record['key']
 106
 107                 # Delete all stale keys
 108                 for key in keys:
 109                     if new_record['key'] != key['key']:
 110                         self.api.plshell.DeleteKey(self.api.plauth, key['key_id'])
 111                     else:
 112                         key_exists = True
 113                 if not key_exists:
 114                     self.api.plshell.AddPersonKey(self.api.plauth, pointer, {'key_type': 'ssh', 'key': new_key})
 115
 116                 # update the openssl key and gid
 117                 pkey = convert_public_key(new_key)
 118                 uuid = create_uuid()
 119                 gid_object = self.api.auth.hierarchy.create_gid(hrn, uuid, pkey)
 120                 gid = gid_object.save_to_string(save_parents=True)
 121                 record['gid'] = gid
 122                 record = GeniRecord(dict=record)
 123                 table.update(record)
 124
 125         elif type == "node":
 126             self.api.plshell.UpdateNode(self.api.plauth, pointer, new_record)
 127
 128         else:
 129             raise UnknownGeniType(type)
 130
 131         # update membership for researchers, pis, owners, operators
 132         self.api.update_membership(record, new_record)
 133
 134         return 1