3 from sfa.server.registry import Registries
4 from sfa.util.prefixTree import prefixTree
5 from sfa.util.record import SfaRecord
6 from sfa.util.table import SfaTable
7 from sfa.util.record import SfaRecord
8 from sfa.trust.gid import GID
9 from sfa.util.namespace import *
10 from sfa.trust.credential import *
11 from sfa.trust.certificate import *
12 from sfa.util.faults import *
14 def get_credential(api, xrn, type, is_self=False):
17 hrn = urn_to_hrn(xrn)[0]
19 hrn, type = urn_to_hrn(xrn)
20 # Is this a root or sub authority
21 auth_hrn = api.auth.get_authority(hrn)
22 if not auth_hrn or hrn == api.config.SFA_INTERFACE_HRN:
25 auth_info = api.auth.get_auth_info(auth_hrn)
27 records = table.findObjects({'type': type, 'hrn': hrn})
29 raise RecordNotFound(hrn)
32 # verify_cancreate_credential requires that the member lists
33 # (researchers, pis, etc) be filled in
34 api.fill_record_info(record)
35 if record['type']=='user':
36 if not record['enabled']:
37 raise AccountNotEnabled(": PlanetLab account %s is not enabled. Please contact your site PI" %(record['email']))
40 # if this is a self cred the record's gid is the caller's gid
43 caller_gid = record.get_gid_object()
45 caller_gid = api.auth.client_cred.get_gid_caller()
46 caller_hrn = caller_gid.get_hrn()
48 object_hrn = record.get_gid_object().get_hrn()
49 rights = api.auth.determine_user_rights(caller_hrn, record)
50 # make sure caller has rights to this object
52 raise PermissionError(caller_hrn + " has no rights to " + record['name'])
54 object_gid = GID(string=record['gid'])
55 new_cred = Credential(subject = object_gid.get_subject())
56 new_cred.set_gid_caller(caller_gid)
57 new_cred.set_gid_object(object_gid)
58 new_cred.set_issuer(key=auth_info.get_pkey_object(), subject=auth_hrn)
59 new_cred.set_pubkey(object_gid.get_pubkey())
60 new_cred.set_privileges(rights)
61 new_cred.set_delegate(True)
62 auth_kind = "authority,ma,sa"
63 new_cred.set_parent(api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
67 return new_cred.save_to_string(save_parents=True)
69 def resolve(api, xrns, type=None, origin_hrn=None, full=True):
71 # load all know registry names into a prefix tree and attempt to find
72 # the longest matching prefix
73 if not isinstance(xrns, types.ListType):
75 hrns = [urn_to_hrn(xrn)[0] for xrn in xrns]
76 # create a dict whre key is an registry hrn and its value is a
77 # hrns at that registry (determined by the known prefix tree).
79 # XX Preload this into the api module
80 registries = Registries(api)
82 registry_hrns = registries.keys()
83 tree.load(registry_hrns)
85 registry_hrn = tree.best_match(urn_to_hrn(xrn)[0])
86 if registry_hrn not in xrn_dict:
87 xrn_dict[registry_hrn] = []
88 xrn_dict[registry_hrn].append(xrn)
91 for registry_hrn in xrn_dict:
92 # skip the hrn without a registry hrn
93 # XX should we let the user know the authority is unknown?
97 # if the best match (longest matching hrn) is not the local registry,
99 xrns = xrn_dict[registry_hrn]
100 if registry_hrn != api.hrn:
101 credential = api.getCredential()
102 peer_records = registries[registry_hrn].resolve(credential, xrns, origin_hrn)
103 records.extend([SfaRecord(dict=record).as_dict() for record in peer_records])
105 # try resolving the remaining unfound records at the local registry
106 remaining_hrns = set(hrns).difference([record['hrn'] for record in records])
107 # convert set to list
108 remaining_hrns = [hrn for hrn in remaining_hrns]
110 local_records = table.findObjects({'hrn': remaining_hrns})
112 api.fill_record_info(local_records)
114 # convert local record objects to dicts
115 records.extend([dict(record) for record in local_records])
117 raise RecordNotFound(str(hrns))
120 records = filter(lambda rec: rec['type'] in [type], records)
124 def list(api, xrn, origin_hrn=None):
125 hrn, type = urn_to_hrn(xrn)
126 # load all know registry names into a prefix tree and attempt to find
127 # the longest matching prefix
129 registries = Registries(api)
130 registry_hrns = registries.keys()
132 tree.load(registry_hrns)
133 registry_hrn = tree.best_match(hrn)
135 #if there was no match then this record belongs to an unknow registry
137 raise MissingAuthority(xrn)
139 # if the best match (longest matching hrn) is not the local registry,
140 # forward the request
142 if registry_hrn != api.hrn:
143 credential = api.getCredential()
144 record_list = registries[registry_hrn].list(credential, xrn, origin_hrn)
145 records = [SfaRecord(dict=record).as_dict() for record in record_list]
147 # if we still havnt found the record yet, try the local registry
149 if not api.auth.hierarchy.auth_exists(hrn):
150 raise MissingAuthority(hrn)
153 records = table.find({'authority': hrn})
158 def register(api, record):
160 hrn, type = record['hrn'], record['type']
163 if type not in ['authority', 'slice', 'node', 'user']:
164 raise UnknownSfaType(type)
166 # check if record already exists
168 existing_records = table.find({'type': type, 'hrn': hrn})
170 raise ExistingRecord(hrn)
172 record = SfaRecord(dict = record)
173 record['authority'] = get_authority(record['hrn'])
174 type = record['type']
176 api.auth.verify_object_permission(hrn)
177 auth_info = api.auth.get_auth_info(record['authority'])
179 # make sure record has a gid
180 if 'gid' not in record:
182 pkey = Keypair(create=True)
183 if 'key' in record and record['key']:
184 if isinstance(record['key'], types.ListType):
185 pub_key = record['key'][0]
187 pub_key = record['key']
188 pkey = convert_public_key(pub_key)
190 gid_object = api.auth.hierarchy.create_gid(hrn, uuid, pkey)
191 gid = gid_object.save_to_string(save_parents=True)
195 if type in ["authority"]:
197 if not api.auth.hierarchy.auth_exists(hrn):
198 api.auth.hierarchy.create_auth(hrn)
200 # get the GID from the newly created authority
201 gid = auth_info.get_gid_object()
202 record.set_gid(gid.save_to_string(save_parents=True))
203 pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
204 sites = api.plshell.GetSites(api.plauth, [pl_record['login_base']])
206 pointer = api.plshell.AddSite(api.plauth, pl_record)
208 pointer = sites[0]['site_id']
210 record.set_pointer(pointer)
211 record['pointer'] = pointer
213 elif (type == "slice"):
214 acceptable_fields=['url', 'instantiation', 'name', 'description']
215 pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
216 for key in pl_record.keys():
217 if key not in acceptable_fields:
219 slices = api.plshell.GetSlices(api.plauth, [pl_record['name']])
221 pointer = api.plshell.AddSlice(api.plauth, pl_record)
223 pointer = slices[0]['slice_id']
224 record.set_pointer(pointer)
225 record['pointer'] = pointer
227 elif (type == "user"):
228 persons = api.plshell.GetPersons(api.plauth, [record['email']])
230 pointer = api.plshell.AddPerson(api.plauth, dict(record))
232 pointer = persons[0]['person_id']
234 if 'enabled' in record and record['enabled']:
235 api.plshell.UpdatePerson(api.plauth, pointer, {'enabled': record['enabled']})
236 # add this persons to the site only if he is being added for the first
237 # time by sfa and doesont already exist in plc
238 if not persons or not persons[0]['site_ids']:
239 login_base = get_leaf(record['authority'])
240 api.plshell.AddPersonToSite(api.plauth, pointer, login_base)
242 # What roles should this user have?
243 api.plshell.AddRoleToPerson(api.plauth, 'user', pointer)
246 api.plshell.AddPersonKey(api.plauth, pointer, {'key_type' : 'ssh', 'key' : pub_key})
248 elif (type == "node"):
249 pl_record = api.sfa_fields_to_pl_fields(type, hrn, record)
250 login_base = hrn_to_pl_login_base(record['authority'])
251 nodes = api.plshell.GetNodes(api.plauth, [pl_record['hostname']])
253 pointer = api.plshell.AddNode(api.plauth, login_base, pl_record)
255 pointer = nodes[0]['node_id']
257 record['pointer'] = pointer
258 record.set_pointer(pointer)
259 record_id = table.insert(record)
260 record['record_id'] = record_id
262 # update membership for researchers, pis, owners, operators
263 api.update_membership(None, record)
265 return record.get_gid_object().save_to_string(save_parents=True)
267 def update(api, record_dict):
268 new_record = SfaRecord(dict = record_dict)
269 type = new_record['type']
270 hrn = new_record['hrn']
271 api.auth.verify_object_permission(hrn)
273 # make sure the record exists
274 records = table.findObjects({'type': type, 'hrn': hrn})
276 raise RecordNotFound(hrn)
278 record['last_updated'] = time.gmtime()
280 # Update_membership needs the membership lists in the existing record
281 # filled in, so it can see if members were added or removed
282 api.fill_record_info(record)
284 # Use the pointer from the existing record, not the one that the user
285 # gave us. This prevents the user from inserting a forged pointer
286 pointer = record['pointer']
287 # update the PLC information that was specified with the record
289 if (type == "authority"):
290 api.plshell.UpdateSite(api.plauth, pointer, new_record)
292 elif type == "slice":
293 pl_record=api.sfa_fields_to_pl_fields(type, hrn, new_record)
294 if 'name' in pl_record:
295 pl_record.pop('name')
296 api.plshell.UpdateSlice(api.plauth, pointer, pl_record)
299 # SMBAKER: UpdatePerson only allows a limited set of fields to be
300 # updated. Ideally we should have a more generic way of doing
301 # this. I copied the field names from UpdatePerson.py...
303 all_fields = new_record
304 for key in all_fields.keys():
305 if key in ['first_name', 'last_name', 'title', 'email',
306 'password', 'phone', 'url', 'bio', 'accepted_aup',
308 update_fields[key] = all_fields[key]
309 api.plshell.UpdatePerson(api.plauth, pointer, update_fields)
311 if 'key' in new_record and new_record['key']:
312 # must check this key against the previous one if it exists
313 persons = api.plshell.GetPersons(api.plauth, [pointer], ['key_ids'])
315 keys = person['key_ids']
316 keys = api.plshell.GetKeys(api.plauth, person['key_ids'])
318 if isinstance(new_record['key'], types.ListType):
319 new_key = new_record['key'][0]
321 new_key = new_record['key']
323 # Delete all stale keys
325 if new_record['key'] != key['key']:
326 api.plshell.DeleteKey(api.plauth, key['key_id'])
330 api.plshell.AddPersonKey(api.plauth, pointer, {'key_type': 'ssh', 'key': new_key})
332 # update the openssl key and gid
333 pkey = convert_public_key(new_key)
335 gid_object = api.auth.hierarchy.create_gid(hrn, uuid, pkey)
336 gid = gid_object.save_to_string(save_parents=True)
338 record = SfaRecord(dict=record)
342 api.plshell.UpdateNode(api.plauth, pointer, new_record)
345 raise UnknownSfaType(type)
347 # update membership for researchers, pis, owners, operators
348 api.update_membership(record, new_record)
352 def remove(api, xrn, type, origin_hrn=None):
355 hrn = urn_to_hrn(xrn)[0]
357 hrn, type = urn_to_hrn(xrn)
360 filter = {'hrn': hrn}
361 if type not in ['all', '*']:
362 filter['type'] = type
363 records = table.find(filter)
365 raise RecordNotFound(hrn)
367 type = record['type']
369 credential = api.getCredential()
370 registries = Registries(api)
372 # Try to remove the object from the PLCDB of federated agg.
373 # This is attempted before removing the object from the local agg's PLCDB and sfa table
374 if hrn.startswith(api.hrn) and type in ['user', 'slice', 'authority']:
375 for registry in registries:
376 if registry not in [api.hrn]:
378 result=registries[registry].remove_peer_object(credential, record, origin_hrn)
382 persons = api.plshell.GetPersons(api.plauth, record['pointer'])
383 # only delete this person if he has site ids. if he doesnt, it probably means
384 # he was just removed from a site, not actually deleted
385 if persons and persons[0]['site_ids']:
386 api.plshell.DeletePerson(api.plauth, record['pointer'])
387 elif type == "slice":
388 if api.plshell.GetSlices(api.plauth, record['pointer']):
389 api.plshell.DeleteSlice(api.plauth, record['pointer'])
391 if api.plshell.GetNodes(api.plauth, record['pointer']):
392 api.plshell.DeleteNode(api.plauth, record['pointer'])
393 elif type == "authority":
394 if api.plshell.GetSites(api.plauth, record['pointer']):
395 api.plshell.DeleteSite(api.plauth, record['pointer'])
397 raise UnknownSfaType(type)
403 def remove_peer_object(api, record, origin_hrn=None):
406 def register_peer_object(api, record, origin_hrn=None):