2 # for get_key_from_incoming_ip
7 from sfa.util.faults import RecordNotFound, AccountNotEnabled, PermissionError, MissingAuthority, \
8 UnknownSfaType, ExistingRecord, NonExistingRecord
9 from sfa.util.sfatime import utcparse, datetime_to_epoch
10 from sfa.util.prefixTree import prefixTree
11 from sfa.util.xrn import Xrn, get_authority, hrn_to_urn, urn_to_hrn
12 from sfa.util.version import version_core
13 from sfa.util.sfalogging import logger
15 from sfa.trust.gid import GID
16 from sfa.trust.credential import Credential
17 from sfa.trust.certificate import Certificate, Keypair, convert_public_key
18 from sfa.trust.gid import create_uuid
20 from sfa.storage.model import make_record,RegRecord
21 from sfa.storage.alchemy import dbsession
23 from sfa.managers.registry_manager import RegistryManager
25 class RegistryManager(RegistryManager):
27 def GetCredential(self, api, xrn, type, caller_xrn = None):
30 hrn = urn_to_hrn(xrn)[0]
32 hrn, type = urn_to_hrn(xrn)
34 # Is this a root or sub authority
35 auth_hrn = api.auth.get_authority(hrn)
36 if not auth_hrn or hrn == api.config.SFA_INTERFACE_HRN:
38 auth_info = api.auth.get_auth_info(auth_hrn)
43 record=dbsession.query(RegRecord).filter_by(**filter).first()
45 raise RecordNotFound("hrn=%s, type=%s"%(hrn,type))
47 # verify_cancreate_credential requires that the member lists
48 # (researchers, pis, etc) be filled in
49 logger.debug("get credential before augment dict, keys=%s"%record.__dict__.keys())
50 self.driver.augment_records_with_testbed_info (record.__dict__)
51 logger.debug("get credential after augment dict, keys=%s"%record.__dict__.keys())
52 if not self.driver.is_enabled (record.__dict__):
53 raise AccountNotEnabled(": PlanetLab account %s is not enabled. Please contact your site PI" %(record.email))
56 # if caller_xrn is not specified assume the caller is the record
60 caller_gid = record.get_gid_object()
62 caller_hrn, caller_type = urn_to_hrn(caller_xrn)
63 caller_filter = {'hrn': caller_hrn}
65 caller_filter['type'] = caller_type
66 caller_record = dbsession.query(RegRecord).filter_by(**caller_filter).first()
68 raise RecordNotFound("Unable to associated caller (hrn=%s, type=%s) with credential for (hrn: %s, type: %s)"%(caller_hrn, caller_type, hrn, type))
69 caller_gid = GID(string=caller_record.gid)
71 object_hrn = record.get_gid_object().get_hrn()
72 rights = api.auth.determine_user_rights(caller_hrn, record.todict())
73 # make sure caller has rights to this object
75 raise PermissionError(caller_hrn + " has no rights to " + record.hrn)
77 object_gid = GID(string=record.gid)
78 new_cred = Credential(subject = object_gid.get_subject())
79 new_cred.set_gid_caller(caller_gid)
80 new_cred.set_gid_object(object_gid)
81 new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
82 #new_cred.set_pubkey(object_gid.get_pubkey())
83 new_cred.set_privileges(rights)
84 new_cred.get_privileges().delegate_all_privileges(True)
85 if hasattr(record,'expires'):
86 date = utcparse(record.expires)
87 expires = datetime_to_epoch(date)
88 new_cred.set_expiration(int(expires))
89 auth_kind = "authority,ma,sa"
90 # Parent not necessary, verify with certs
91 #new_cred.set_parent(api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
95 return new_cred.save_to_string(save_parents=True)
98 # subject_record describes the subject of the relationships
99 # ref_record contains the target values for the various relationships we need to manage
100 # (to begin with, this is just the slice x person relationship)
101 def update_relations (self, subject_obj, ref_obj):
102 type=subject_obj.type
104 self.update_relation(subject_obj, 'researcher', ref_obj.researcher, 'user')
106 # field_key is the name of one field in the record, typically 'researcher' for a 'slice' record
107 # hrns is the list of hrns that should be linked to the subject from now on
108 # target_type would be e.g. 'user' in the 'slice' x 'researcher' example
109 def update_relation (self, record_obj, field_key, hrns, target_type):
110 # locate the linked objects in our db
111 subject_type=record_obj.type
112 subject_id=record_obj.pointer
113 # get the 'pointer' field of all matching records
114 link_id_tuples = dbsession.query(RegRecord.pointer).filter_by(type=target_type).filter(RegRecord.hrn.in_(hrns)).all()
115 # sqlalchemy returns named tuples for columns
116 link_ids = [ tuple.pointer for tuple in link_id_tuples ]
117 self.driver.update_relation (subject_type, target_type, subject_id, link_ids)