4 from sfa.util.faults import *
5 from sfa.util.prefixTree import prefixTree
6 from sfa.util.record import SfaRecord
7 from sfa.util.table import SfaTable
8 from sfa.util.record import SfaRecord
9 from sfa.trust.gid import GID
10 from sfa.util.xrn import Xrn, get_leaf, get_authority, hrn_to_urn, urn_to_hrn
11 from sfa.util.plxrn import hrn_to_pl_login_base
12 from sfa.trust.credential import Credential
13 from sfa.trust.certificate import Certificate, Keypair
14 from sfa.trust.gid import create_uuid
15 from sfa.util.version import version_core
17 # The GENI GetVersion call
19 peers =dict ([ (peername,v._ServerProxy__host) for (peername,v) in api.registries.items()
20 if peername != api.hrn])
22 return version_core({'interface':'registry',
27 def get_credential(api, xrn, type, is_self=False):
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:
39 auth_info = api.auth.get_auth_info(auth_hrn)
41 records = table.findObjects({'type': type, 'hrn': hrn})
43 raise RecordNotFound(hrn)
46 # verify_cancreate_credential requires that the member lists
47 # (researchers, pis, etc) be filled in
48 api.fill_record_info(record)
49 if record['type']=='user':
50 if not record['enabled']:
51 raise AccountNotEnabled(": PlanetLab account %s is not enabled. Please contact your site PI" %(record['email']))
54 # if this is a self cred the record's gid is the caller's gid
57 caller_gid = record.get_gid_object()
59 caller_gid = api.auth.client_cred.get_gid_caller()
60 caller_hrn = caller_gid.get_hrn()
62 object_hrn = record.get_gid_object().get_hrn()
63 rights = api.auth.determine_user_rights(caller_hrn, record)
64 # make sure caller has rights to this object
66 raise PermissionError(caller_hrn + " has no rights to " + record['name'])
68 object_gid = GID(string=record['gid'])
69 new_cred = Credential(subject = object_gid.get_subject())
70 new_cred.set_gid_caller(caller_gid)
71 new_cred.set_gid_object(object_gid)
72 new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
73 #new_cred.set_pubkey(object_gid.get_pubkey())
74 new_cred.set_privileges(rights)
75 new_cred.get_privileges().delegate_all_privileges(True)
76 if 'expires' in record:
77 new_cred.set_expiration(int(record['expires']))
78 auth_kind = "authority,ma,sa"
79 # Parent not necessary, verify with certs
80 #new_cred.set_parent(api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
84 return new_cred.save_to_string(save_parents=True)
87 def resolve(api, xrns, type=None, full=True):
89 # load all know registry names into a prefix tree and attempt to find
90 # the longest matching prefix
91 if not isinstance(xrns, types.ListType):
93 hrns = [urn_to_hrn(xrn)[0] for xrn in xrns]
94 # create a dict whre key is an registry hrn and its value is a
95 # hrns at that registry (determined by the known prefix tree).
97 registries = api.registries
99 registry_hrns = registries.keys()
100 tree.load(registry_hrns)
102 registry_hrn = tree.best_match(urn_to_hrn(xrn)[0])
103 if registry_hrn not in xrn_dict:
104 xrn_dict[registry_hrn] = []
105 xrn_dict[registry_hrn].append(xrn)
108 for registry_hrn in xrn_dict:
109 # skip the hrn without a registry hrn
110 # XX should we let the user know the authority is unknown?
114 # if the best match (longest matching hrn) is not the local registry,
115 # forward the request
116 xrns = xrn_dict[registry_hrn]
117 if registry_hrn != api.hrn:
118 credential = api.getCredential()
119 peer_records = registries[registry_hrn].Resolve(xrns, credential)
120 records.extend([SfaRecord(dict=record).as_dict() for record in peer_records])
122 # try resolving the remaining unfound records at the local registry
123 remaining_hrns = set(hrns).difference([record['hrn'] for record in records])
124 # convert set to list
125 remaining_hrns = [hrn for hrn in remaining_hrns]
127 local_records = table.findObjects({'hrn': remaining_hrns})
129 api.fill_record_info(local_records)
131 # convert local record objects to dicts
132 records.extend([dict(record) for record in local_records])
134 raise RecordNotFound(str(hrns))
137 records = filter(lambda rec: rec['type'] in [type], records)
141 def list(api, xrn, origin_hrn=None):
142 hrn, type = urn_to_hrn(xrn)
143 # load all know registry names into a prefix tree and attempt to find
144 # the longest matching prefix
146 registries = api.registries
147 registry_hrns = registries.keys()
149 tree.load(registry_hrns)
150 registry_hrn = tree.best_match(hrn)
152 #if there was no match then this record belongs to an unknow registry
154 raise MissingAuthority(xrn)
156 # if the best match (longest matching hrn) is not the local registry,
157 # forward the request
159 if registry_hrn != api.hrn:
160 credential = api.getCredential()
161 record_list = registries[registry_hrn].List(xrn, credential)
162 records = [SfaRecord(dict=record).as_dict() for record in record_list]
164 # if we still have not found the record yet, try the local registry
166 if not api.auth.hierarchy.auth_exists(hrn):
167 raise MissingAuthority(hrn)
170 records = table.find({'authority': hrn})
175 def register(api, record):
177 hrn, type = record['hrn'], record['type']
178 urn = hrn_to_urn(hrn,type)
180 if type not in ['authority', 'slice', 'node', 'user']:
181 raise UnknownSfaType(type)
183 # check if record already exists
185 existing_records = table.find({'type': type, 'hrn': hrn})
187 raise ExistingRecord(hrn)
189 record = SfaRecord(dict = record)
190 record['authority'] = get_authority(record['hrn'])
191 type = record['type']
193 api.auth.verify_object_permission(hrn)
194 auth_info = api.auth.get_auth_info(record['authority'])
196 # make sure record has a gid
197 if 'gid' not in record:
199 pkey = Keypair(create=True)
200 if 'key' in record and record['key']:
201 if isinstance(record['key'], types.ListType):
202 pub_key = record['key'][0]
204 pub_key = record['key']
205 pkey = convert_public_key(pub_key)
207 gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
208 gid = gid_object.save_to_string(save_parents=True)
212 if type in ["authority"]:
214 if not api.auth.hierarchy.auth_exists(hrn):
215 api.auth.hierarchy.create_auth(hrn_to_urn(hrn,'authority'))
217 # get the GID from the newly created authority
218 gid = auth_info.get_gid_object()
219 record.set_gid(gid.save_to_string(save_parents=True))
220 pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
221 sites = api.plshell.GetSites(api.plauth, [pl_record['login_base']])
223 pointer = api.plshell.AddSite(api.plauth, pl_record)
225 pointer = sites[0]['site_id']
227 record.set_pointer(pointer)
228 record['pointer'] = pointer
230 elif (type == "slice"):
231 acceptable_fields=['url', 'instantiation', 'name', 'description']
232 pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
233 for key in pl_record.keys():
234 if key not in acceptable_fields:
236 slices = api.plshell.GetSlices(api.plauth, [pl_record['name']])
238 pointer = api.plshell.AddSlice(api.plauth, pl_record)
240 pointer = slices[0]['slice_id']
241 record.set_pointer(pointer)
242 record['pointer'] = pointer
244 elif (type == "user"):
245 persons = api.plshell.GetPersons(api.plauth, [record['email']])
247 pointer = api.plshell.AddPerson(api.plauth, dict(record))
249 pointer = persons[0]['person_id']
251 if 'enabled' in record and record['enabled']:
252 api.plshell.UpdatePerson(api.plauth, pointer, {'enabled': record['enabled']})
253 # add this persons to the site only if he is being added for the first
254 # time by sfa and doesont already exist in plc
255 if not persons or not persons[0]['site_ids']:
256 login_base = get_leaf(record['authority'])
257 api.plshell.AddPersonToSite(api.plauth, pointer, login_base)
259 # What roles should this user have?
260 api.plshell.AddRoleToPerson(api.plauth, 'user', pointer)
263 api.plshell.AddPersonKey(api.plauth, pointer, {'key_type' : 'ssh', 'key' : pub_key})
265 elif (type == "node"):
266 pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
267 login_base = hrn_to_pl_login_base(record['authority'])
268 nodes = api.plshell.GetNodes(api.plauth, [pl_record['hostname']])
270 pointer = api.plshell.AddNode(api.plauth, login_base, pl_record)
272 pointer = nodes[0]['node_id']
274 record['pointer'] = pointer
275 record.set_pointer(pointer)
276 record_id = table.insert(record)
277 record['record_id'] = record_id
279 # update membership for researchers, pis, owners, operators
280 api.update_membership(None, record)
282 return record.get_gid_object().save_to_string(save_parents=True)
284 def update(api, record_dict):
285 new_record = SfaRecord(dict = record_dict)
286 type = new_record['type']
287 hrn = new_record['hrn']
288 urn = hrn_to_urn(hrn,type)
289 api.auth.verify_object_permission(hrn)
291 # make sure the record exists
292 records = table.findObjects({'type': type, 'hrn': hrn})
294 raise RecordNotFound(hrn)
296 record['last_updated'] = time.gmtime()
298 # Update_membership needs the membership lists in the existing record
299 # filled in, so it can see if members were added or removed
300 api.fill_record_info(record)
302 # Use the pointer from the existing record, not the one that the user
303 # gave us. This prevents the user from inserting a forged pointer
304 pointer = record['pointer']
305 # update the PLC information that was specified with the record
307 if (type == "authority"):
308 api.plshell.UpdateSite(api.plauth, pointer, new_record)
310 elif type == "slice":
311 pl_record=api.sfa_fields_to_pl_fields(type, hrn, new_record)
312 if 'name' in pl_record:
313 pl_record.pop('name')
314 api.plshell.UpdateSlice(api.plauth, pointer, pl_record)
317 # SMBAKER: UpdatePerson only allows a limited set of fields to be
318 # updated. Ideally we should have a more generic way of doing
319 # this. I copied the field names from UpdatePerson.py...
321 all_fields = new_record
322 for key in all_fields.keys():
323 if key in ['first_name', 'last_name', 'title', 'email',
324 'password', 'phone', 'url', 'bio', 'accepted_aup',
326 update_fields[key] = all_fields[key]
327 api.plshell.UpdatePerson(api.plauth, pointer, update_fields)
329 if 'key' in new_record and new_record['key']:
330 # must check this key against the previous one if it exists
331 persons = api.plshell.GetPersons(api.plauth, [pointer], ['key_ids'])
333 keys = person['key_ids']
334 keys = api.plshell.GetKeys(api.plauth, person['key_ids'])
336 if isinstance(new_record['key'], types.ListType):
337 new_key = new_record['key'][0]
339 new_key = new_record['key']
341 # Delete all stale keys
343 if new_record['key'] != key['key']:
344 api.plshell.DeleteKey(api.plauth, key['key_id'])
348 api.plshell.AddPersonKey(api.plauth, pointer, {'key_type': 'ssh', 'key': new_key})
350 # update the openssl key and gid
351 pkey = convert_public_key(new_key)
353 gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
354 gid = gid_object.save_to_string(save_parents=True)
356 record = SfaRecord(dict=record)
360 api.plshell.UpdateNode(api.plauth, pointer, new_record)
363 raise UnknownSfaType(type)
365 # update membership for researchers, pis, owners, operators
366 api.update_membership(record, new_record)
370 # expecting an Xrn instance
371 def remove(api, xrn, origin_hrn=None):
374 filter = {'hrn': xrn.get_hrn()}
377 if type and type not in ['all', '*']:
378 filter['type'] = type
380 records = table.find(filter)
381 if not records: raise RecordNotFound(hrn)
383 type = record['type']
385 credential = api.getCredential()
386 registries = api.registries
388 # Try to remove the object from the PLCDB of federated agg.
389 # This is attempted before removing the object from the local agg's PLCDB and sfa table
390 if hrn.startswith(api.hrn) and type in ['user', 'slice', 'authority']:
391 for registry in registries:
392 if registry not in [api.hrn]:
394 result=registries[registry].remove_peer_object(credential, record, origin_hrn)
398 persons = api.plshell.GetPersons(api.plauth, record['pointer'])
399 # only delete this person if he has site ids. if he doesnt, it probably means
400 # he was just removed from a site, not actually deleted
401 if persons and persons[0]['site_ids']:
402 api.plshell.DeletePerson(api.plauth, record['pointer'])
403 elif type == "slice":
404 if api.plshell.GetSlices(api.plauth, record['pointer']):
405 api.plshell.DeleteSlice(api.plauth, record['pointer'])
407 if api.plshell.GetNodes(api.plauth, record['pointer']):
408 api.plshell.DeleteNode(api.plauth, record['pointer'])
409 elif type == "authority":
410 if api.plshell.GetSites(api.plauth, record['pointer']):
411 api.plshell.DeleteSite(api.plauth, record['pointer'])
413 raise UnknownSfaType(type)
419 def remove_peer_object(api, record, origin_hrn=None):
422 def register_peer_object(api, record, origin_hrn=None):