def __init__(self, creds, options, **kwargs): # client must specify a version if not options.get('geni_rspec_version'): if options.get('rspec_version'): options['geni_rspec_version'] = options['rspec_version'] else: raise SfaInvalidArgument( 'Must specify an rspec version option. geni_rspec_version cannot be null' ) # get slice's hrn from options xrn = options.get('geni_slice_urn', '') (hrn, _) = urn_to_hrn(xrn) # Find the valid credentials #valid_creds = self.api.auth.checkCredentials(creds, 'listnodes', hrn) valid_creds = Auth().checkCredentials(creds, 'listnodes', hrn) # get hrn of the original caller origin_hrn = options.get('origin_hrn', None) if not origin_hrn: origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() origin_gid = Credential(string=valid_creds[0]).get_gid_caller() #rspec = AggregateManager(None).ListResources(self.api, creds, options) #chain_name = 'OUTGOING' #if options.has_key('geni_compressed') and options['geni_compressed'] == True: # rspec = zlib.compress(rspec).encode('base64') #return rspec #return True return
def verify_cred_is_me(self, credential): is_me = False cred = Credential(string=credential) caller_gid = cred.get_gid_caller() caller_hrn = caller_gid.get_hrn() if caller_hrn != self.config.SFA_INTERFACE_HRN: raise SfaPermissionDenied(self.config.SFA_INTEFACE_HRN) return
def authenticateCred(self, credStr, argList, requestHash=None): cred = Credential(string = credStr) self.validateCred(cred) # request hash is optional if requestHash: self.verifyCredRequestHash(cred, requestHash, argList) return cred
def __init__(self, xrn, creds, options, **kwargs): (hrn, type) = urn_to_hrn(xrn) valid_creds = Auth().checkCredentials(creds, 'deletesliver', hrn) origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() return #self.api.manager.DeleteSliver(self.api, xrn, creds, options)
def __init__(self, xrn, creds, **kwargs): hrn, type = urn_to_hrn(xrn) valid_creds = Auth().checkCredentials(creds, 'startslice', hrn) origin_hrn = Credential(string=valid_creds[0]).get_gid_caller().get_hrn() return
def filter_creds_by_caller(self, creds, caller_hrn_list): """ Returns a list of creds who's gid caller matches the specified caller hrn """ if not isinstance(creds, list): creds = [creds] creds = [] if not isinstance(caller_hrn_list, list): caller_hrn_list = [caller_hrn_list] for cred in creds: try: tmp_cred = Credential(string=cred) if tmp_cred.get_gid_caller().get_hrn() in [caller_hrn_list]: creds.append(cred) except: pass return creds
def call(self, creds, options): valid_creds = self.api.auth.checkCredentials(creds, 'listslices') #log the call origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() self.api.logger.info("interface: %s\tcaller-hrn: %s\tmethod-name: %s" % (self.api.interface, origin_hrn, self.name)) return self.api.manager.ListSlices(self.api, creds, options)
def call(self, creds, xrn, cert=None): # TODO: is there a better right to check for or is 'update good enough? valid_creds = self.api.auth.checkCredentials(creds, 'update') # verify permissions hrn, type = urn_to_hrn(xrn) self.api.auth.verify_object_permission(hrn) #log the call origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() # log origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() self.api.logger.info( "interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s" % (self.api.interface, origin_hrn, xrn, self.name)) return self.api.manager.CreateGid(self.api, xrn, cert)
def call(self, xrn, creds, options={}): hrn, type = urn_to_hrn(xrn) valid_creds = self.api.auth.checkCredentials(creds, 'list') #log the call origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() self.api.logger.info( "interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s" % (self.api.interface, origin_hrn, hrn, self.name)) return self.api.manager.List(self.api, xrn, options=options)
def check(self, cred, operation, hrn=None): """ Check the credential against the peer cert (callerGID included in the credential matches the caller that is connected to the HTTPS connection, check if the credential was signed by a trusted cert and check if the credential is allowed to perform the specified operation. """ self.client_cred = Credential(string=cred) self.client_gid = self.client_cred.get_gid_caller() self.object_gid = self.client_cred.get_gid_object() # make sure the client_gid is not blank if not self.client_gid: raise MissingCallerGID(self.client_cred.get_subject()) # validate the client cert if it exists if self.peer_cert: self.verifyPeerCert(self.peer_cert, self.client_gid) # make sure the client is allowed to perform the operation if operation: if not self.client_cred.can_perform(operation): raise InsufficientRights(operation) if self.trusted_cert_list: self.client_cred.verify(self.trusted_cert_file_list, self.config.SFA_CREDENTIAL_SCHEMA) else: raise MissingTrustedRoots(self.config.get_trustedroots_dir()) # Make sure the credential's target matches the specified hrn. # This check does not apply to trusted peers trusted_peers = [gid.get_hrn() for gid in self.trusted_cert_list] if hrn and self.client_gid.get_hrn() not in trusted_peers: target_hrn = self.object_gid.get_hrn() if not hrn == target_hrn: raise PermissionError("Target hrn: %s doesn't match specified hrn: %s " % \ (target_hrn, hrn) ) return True
def call(self, xrn, creds, type): xrn = Xrn(xrn, type=type) # validate the cred valid_creds = self.api.auth.checkCredentials(creds, "remove") self.api.auth.verify_object_permission(xrn.get_hrn()) #log the call origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() self.api.logger.info( "interface: %s\tmethod-name: %s\tcaller-hrn: %s\ttarget-urn: %s" % (self.api.interface, self.name, origin_hrn, xrn.get_urn())) return self.api.manager.Remove(self.api, xrn)
def __init__(self, slice_xrn, creds, users, options, **kwargs): hrn, type = urn_to_hrn(slice_xrn) # Find the valid credentials valid_creds = Auth().checkCredentials(creds, 'createsliver', hrn) origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() # make sure users info is specified if not users: msg = "'users' must be specified and cannot be null. You may need to update your client." raise SfaInvalidArgument(name='users', extra=msg) return
def call(self, record_dict, creds): # validate the cred valid_creds = self.api.auth.checkCredentials(creds, "update") # verify permissions hrn = record_dict.get('hrn', '') self.api.auth.verify_object_permission(hrn) # log origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() self.api.logger.info( "interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s" % (self.api.interface, origin_hrn, hrn, self.name)) return self.api.manager.Update(self.api, record_dict)
def call(self, xrn, creds, rspec, users, options): hrn, type = urn_to_hrn(xrn) # Find the valid credentials valid_creds = self.api.auth.checkCredentials(creds, 'getticket', hrn) origin_hrn = Credential(string=valid_creds[0]).get_gid_caller().get_hrn() #log the call self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, origin_hrn, hrn, self.name)) # filter rspec through openflow.optin_manager.sfa.ables if self.api.interface in ['aggregate']: chain_name = 'OUTGOING' elif self.api.interface in ['slicemgr']: chain_name = 'FORWARD-OUTGOING' rspec = run_openflow.optin_manager.sfa.ables(chain_name, hrn, origin_hrn, rspec) # remove nodes that are not available at this interface from the rspec return self.api.manager.GetTicket(self.api, xrn, creds, rspec, users, options)
def call(self, xrns, creds): # validate the credential valid_creds = self.api.auth.checkCredentials(creds, 'getgids') # xxxpylintxxx origin_hrn is unused.. origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() # resolve the record records = self.api.manager.Resolve(self.api, xrns, details=False) if not records: raise RecordNotFound(xrns) allowed_fields = ['hrn', 'type', 'gid'] for record in records: for key in record.keys(): if key not in allowed_fields: del (record[key]) return records
def checkCredentials(self, creds, operation, hrn = None): valid = [] error = None if not isinstance(creds, list): creds = [creds] for cred in creds: try: self.check(cred, operation, hrn) valid.append(cred) except Exception as e: cred_obj=Credential(string=cred) error = e#sys.exc_info()[:2] continue if not len(valid): if not error: error = "No valid credentials found" raise InsufficientRights('Access denied: %s' % (str(error))) return valid
def call(self, creds, xrn, type): if type: hrn = urn_to_hrn(xrn)[0] else: hrn, type = urn_to_hrn(xrn) # check creds valid_creds = self.api.auth.checkCredentials(creds, 'getcredential') self.api.auth.verify_object_belongs_to_me(hrn) #log the call origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() self.api.logger.info( "interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s" % (self.api.interface, origin_hrn, hrn, self.name)) return self.api.manager.GetCredential( self.api, xrn, type, self.api.auth.client_gid.get_urn())
def call(self, xrns, creds, options={}): # use details=False by default, only when explicitly specified do we want # to mess with the testbed details if 'details' in options: details = options['details'] else: details = False type = None if not isinstance(xrns, types.ListType): type = Xrn(xrns).get_type() xrns = [xrns] hrns = [urn_to_hrn(xrn)[0] for xrn in xrns] #find valid credentials valid_creds = self.api.auth.checkCredentials(creds, 'resolve') #log the call origin_hrn = Credential( string=valid_creds[0]).get_gid_caller().get_hrn() self.api.logger.info( "interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s" % (self.api.interface, origin_hrn, hrns, self.name)) # send the call to the right manager return self.api.manager.Resolve(self.api, xrns, type, details=details)
def call(self, slice_xrn, creds, expiration_time, options): (hrn, type) = urn_to_hrn(slice_xrn) self.api.logger.info( "interface: %s\ttarget-hrn: %s\tcaller-creds: %s\tmethod-name: %s" % (self.api.interface, hrn, creds, self.name)) # Find the valid credentials valid_creds = self.api.auth.checkCredentials(creds, 'renewsliver', hrn) # Validate that the time does not go beyond the credential's expiration time requested_time = utcparse(expiration_time) max_renew_days = int(self.api.config.SFA_MAX_SLICE_RENEW) if requested_time > Credential(string=valid_creds[0]).get_expiration(): raise InsufficientRights( 'Renewsliver: Credential expires before requested expiration time' ) if requested_time > datetime.datetime.utcnow() + datetime.timedelta( days=max_renew_days): raise Exception('Cannot renew > %s days from now' % max_renew_days) return self.api.manager.RenewSliver(self.api, slice_xrn, valid_creds, expiration_time, options)
def check(self, cred, operation, hrn=None): """ Check the credential against the peer cert (callerGID included in the credential matches the caller that is connected to the HTTPS connection, check if the credential was signed by a trusted cert and check if the credential is allowed to perform the specified operation. """ self.client_cred = Credential(string=cred) self.client_gid = self.client_cred.get_gid_caller() self.object_gid = self.client_cred.get_gid_object() # make sure the client_gid is not blank if not self.client_gid: raise MissingCallerGID(self.client_cred.get_subject()) # validate the client cert if it exists if self.peer_cert: self.verifyPeerCert(self.peer_cert, self.client_gid) # make sure the client is allowed to perform the operation if operation: if not self.client_cred.can_perform(operation): raise InsufficientRights(operation) if self.trusted_cert_list: self.client_cred.verify(self.trusted_cert_file_list, self.config.SFA_CREDENTIAL_SCHEMA) else: raise MissingTrustedRoots(self.config.get_trustedroots_dir()) # Make sure the credential's target matches the specified hrn. # This check does not apply to trusted peers trusted_peers = [gid.get_hrn() for gid in self.trusted_cert_list] if hrn and self.client_gid.get_hrn() not in trusted_peers: target_hrn = self.object_gid.get_hrn() if not hrn == target_hrn: raise PermissionError("Target hrn: %s doesn't match specified hrn: %s " % (target_hrn, hrn)) return True
def get_expiration_date(self,slice_hrn, creds): for cred in creds: credential = Credential(string=cred) if credential.get_gid_caller().get_hrn() == slice_hrn: return credential.get_expiration() return None
class Auth: """ Credential based authentication """ def __init__(self, peer_cert=None, config=None): self.peer_cert = peer_cert self.hierarchy = Hierarchy() # if not config: self.config = CONFIG # Config() self.load_trusted_certs() def load_trusted_certs(self): self.trusted_cert_list = TrustedRoots(self.config.TRUSTED_ROOTS_DIR).get_list() self.trusted_cert_file_list = TrustedRoots(self.config.TRUSTED_ROOTS_DIR).get_file_list() def checkCredentials(self, creds, operation, hrn=None): valid = [] error = None if not isinstance(creds, list): creds = [creds] for cred in creds: try: self.check(cred, operation, hrn) valid.append(cred) except Exception as e: cred_obj = Credential(string=cred) error = e # sys.exc_info()[:2] continue if not len(valid): if not error: error = "No valid credentials found" raise InsufficientRights("Access denied: %s" % (str(error))) return valid def check(self, cred, operation, hrn=None): """ Check the credential against the peer cert (callerGID included in the credential matches the caller that is connected to the HTTPS connection, check if the credential was signed by a trusted cert and check if the credential is allowed to perform the specified operation. """ self.client_cred = Credential(string=cred) self.client_gid = self.client_cred.get_gid_caller() self.object_gid = self.client_cred.get_gid_object() # make sure the client_gid is not blank if not self.client_gid: raise MissingCallerGID(self.client_cred.get_subject()) # validate the client cert if it exists if self.peer_cert: self.verifyPeerCert(self.peer_cert, self.client_gid) # make sure the client is allowed to perform the operation if operation: if not self.client_cred.can_perform(operation): raise InsufficientRights(operation) if self.trusted_cert_list: self.client_cred.verify(self.trusted_cert_file_list, self.config.SFA_CREDENTIAL_SCHEMA) else: raise MissingTrustedRoots(self.config.get_trustedroots_dir()) # Make sure the credential's target matches the specified hrn. # This check does not apply to trusted peers trusted_peers = [gid.get_hrn() for gid in self.trusted_cert_list] if hrn and self.client_gid.get_hrn() not in trusted_peers: target_hrn = self.object_gid.get_hrn() if not hrn == target_hrn: raise PermissionError("Target hrn: %s doesn't match specified hrn: %s " % (target_hrn, hrn)) return True def check_ticket(self, ticket): """ Check if the tickt was signed by a trusted cert """ if self.trusted_cert_list: client_ticket = SfaTicket(string=ticket) client_ticket.verify_chain(self.trusted_cert_list) else: raise MissingTrustedRoots(self.config.get_trustedroots_dir()) return True def verifyPeerCert(self, cert, gid): # make sure the client_gid matches client's certificate if not cert.is_pubkey(gid.get_pubkey()): raise ConnectionKeyGIDMismatch(gid.get_subject() + ":" + cert.get_subject()) def verifyGidRequestHash(self, gid, hash, arglist): key = gid.get_pubkey() if not key.verify_string(str(arglist), hash): raise BadRequestHash(hash) def verifyCredRequestHash(self, cred, hash, arglist): gid = cred.get_gid_caller() self.verifyGidRequestHash(gid, hash, arglist) def validateGid(self, gid): if self.trusted_cert_list: gid.verify_chain(self.trusted_cert_list) def validateCred(self, cred): if self.trusted_cert_list: cred.verify(self.trusted_cert_file_list) def authenticateGid(self, gidStr, argList, requestHash=None): gid = GID(string=gidStr) self.validateGid(gid) # request_hash is optional if requestHash: self.verifyGidRequestHash(gid, requestHash, argList) return gid def authenticateCred(self, credStr, argList, requestHash=None): cred = Credential(string=credStr) self.validateCred(cred) # request hash is optional if requestHash: self.verifyCredRequestHash(cred, requestHash, argList) return cred def authenticateCert(self, certStr, requestHash): cert = Certificate(string=certStr) # xxx should be validateCred ?? self.validateCred(cert) def gidNoop(self, gidStr, value, requestHash): self.authenticateGid(gidStr, [gidStr, value], requestHash) return value def credNoop(self, credStr, value, requestHash): self.authenticateCred(credStr, [credStr, value], requestHash) return value def verify_cred_is_me(self, credential): is_me = False cred = Credential(string=credential) caller_gid = cred.get_gid_caller() caller_hrn = caller_gid.get_hrn() if caller_hrn != self.config.SFA_INTERFACE_HRN: raise SfaPermissionDenied(self.config.SFA_INTEFACE_HRN) return def get_auth_info(self, auth_hrn): """ Given an authority name, return the information for that authority. This is basically a stub that calls the hierarchy module. @param auth_hrn human readable name of authority """ return self.hierarchy.get_auth_info(auth_hrn) def veriry_auth_belongs_to_me(self, name): """ Verify that an authority belongs to our hierarchy. This is basically left up to the implementation of the hierarchy module. If the specified name does not belong, ane exception is thrown indicating the caller should contact someone else. @param auth_name human readable name of authority """ # get auth info will throw an exception if the authority doesnt exist self.get_auth_info(name) def verify_object_belongs_to_me(self, name): """ Verify that an object belongs to our hierarchy. By extension, this implies that the authority that owns the object belongs to our hierarchy. If it does not an exception is thrown. @param name human readable name of object """ auth_name = self.get_authority(name) if not auth_name: auth_name = name if name == self.config.SFA_INTERFACE_HRN: return self.verify_auth_belongs_to_me(auth_name) def verify_auth_belongs_to_me(self, name): # get auth info will throw an exception if the authority doesnt exist self.get_auth_info(name) def verify_object_permission(self, name): """ Verify that the object gid that was specified in the credential allows permission to the object 'name'. This is done by a simple prefix test. For example, an object_gid for plc.arizona would match the objects plc.arizona.slice1 and plc.arizona. @param name human readable name to test """ object_hrn = self.object_gid.get_hrn() if object_hrn == name: return if name.startswith(object_hrn + "."): return # if name.startswith(get_authority(name)): # return raise PermissionError(name) def determine_user_rights(self, caller_hrn, reg_record): """ Given a user credential and a record, determine what set of rights the user should have to that record. This is intended to replace determine_user_rights() and verify_cancreate_credential() """ rl = Rights() type = reg_record.type if type == "slice": # researchers in the slice are in the DB as-is researcher_hrns = [user.hrn for user in reg_record.reg_researchers] # locating PIs attached to that slice slice_pis = reg_record.get_pis() pi_hrns = [user.hrn for user in slice_pis] if caller_hrn in researcher_hrns + pi_hrns: rl.add("refresh") rl.add("embed") rl.add("bind") rl.add("control") rl.add("info") elif type == "authority": pi_hrns = [user.hrn for user in reg_record.reg_pis] if caller_hrn == self.config.SFA_INTERFACE_HRN: rl.add("authority") rl.add("sa") rl.add("ma") if caller_hrn in pi_hrns: rl.add("authority") rl.add("sa") # NOTE: for the PL implementation, this 'operators' list # amounted to users with 'tech' role in that site # it seems like this is not needed any longer, so for now I just drop that # operator_hrns = reg_record.get('operator',[]) # if (caller_hrn in operator_hrns): # rl.add('authority') # rl.add('ma') elif type == "user": rl.add("refresh") rl.add("resolve") rl.add("info") elif type == "node": rl.add("operator") return rl def get_authority(self, hrn): return get_authority(hrn) def filter_creds_by_caller(self, creds, caller_hrn_list): """ Returns a list of creds who's gid caller matches the specified caller hrn """ if not isinstance(creds, list): creds = [creds] creds = [] if not isinstance(caller_hrn_list, list): caller_hrn_list = [caller_hrn_list] for cred in creds: try: tmp_cred = Credential(string=cred) if tmp_cred.get_gid_caller().get_hrn() in [caller_hrn_list]: creds.append(cred) except: pass return creds
def get_auth_cred(self, xrn, kind="authority"): hrn, type = urn_to_hrn(xrn) auth_info = self.get_auth_info(hrn) gid = auth_info.get_gid_object() cred = Credential(subject=hrn) cred.set_gid_caller(gid) cred.set_gid_object(gid) cred.set_privileges(kind) cred.get_privileges().delegate_all_privileges(True) #cred.set_pubkey(auth_info.get_gid_object().get_pubkey()) parent_hrn = get_authority(hrn) if not parent_hrn or hrn == self.config.SFA_INTERFACE_HRN: # if there is no parent hrn, then it must be self-signed. this # is where we terminate the recursion cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename()) else: # we need the parent's private key in order to sign this GID parent_auth_info = self.get_auth_info(parent_hrn) cred.set_issuer_keys(parent_auth_info.get_privkey_filename(), parent_auth_info.get_gid_filename()) cred.set_parent(self.get_auth_cred(parent_hrn, kind)) cred.encode() cred.sign() return cred
class Auth: """ Credential based authentication """ def __init__(self, peer_cert = None, config = None ): self.peer_cert = peer_cert self.hierarchy = Hierarchy() #if not config: self.config = CONFIG#Config() self.load_trusted_certs() def load_trusted_certs(self): self.trusted_cert_list = TrustedRoots(self.config.TRUSTED_ROOTS_DIR).get_list() self.trusted_cert_file_list = TrustedRoots(self.config.TRUSTED_ROOTS_DIR).get_file_list() def checkCredentials(self, creds, operation, hrn = None): valid = [] error = None if not isinstance(creds, list): creds = [creds] for cred in creds: try: self.check(cred, operation, hrn) valid.append(cred) except Exception as e: cred_obj=Credential(string=cred) error = e#sys.exc_info()[:2] continue if not len(valid): if not error: error = "No valid credentials found" raise InsufficientRights('Access denied: %s' % (str(error))) return valid def check(self, cred, operation, hrn = None): """ Check the credential against the peer cert (callerGID included in the credential matches the caller that is connected to the HTTPS connection, check if the credential was signed by a trusted cert and check if the credential is allowed to perform the specified operation. """ self.client_cred = Credential(string = cred) self.client_gid = self.client_cred.get_gid_caller() self.object_gid = self.client_cred.get_gid_object() # make sure the client_gid is not blank if not self.client_gid: raise MissingCallerGID(self.client_cred.get_subject()) # validate the client cert if it exists if self.peer_cert: self.verifyPeerCert(self.peer_cert, self.client_gid) # make sure the client is allowed to perform the operation if operation: if not self.client_cred.can_perform(operation): raise InsufficientRights(operation) if self.trusted_cert_list: self.client_cred.verify(self.trusted_cert_file_list, self.config.SFA_CREDENTIAL_SCHEMA) else: raise MissingTrustedRoots(self.config.get_trustedroots_dir()) # Make sure the credential's target matches the specified hrn. # This check does not apply to trusted peers trusted_peers = [gid.get_hrn() for gid in self.trusted_cert_list] if hrn and self.client_gid.get_hrn() not in trusted_peers: target_hrn = self.object_gid.get_hrn() if not hrn == target_hrn: raise PermissionError("Target hrn: %s doesn't match specified hrn: %s " % \ (target_hrn, hrn) ) return True def check_ticket(self, ticket): """ Check if the tickt was signed by a trusted cert """ if self.trusted_cert_list: client_ticket = SfaTicket(string=ticket) client_ticket.verify_chain(self.trusted_cert_list) else: raise MissingTrustedRoots(self.config.get_trustedroots_dir()) return True def verifyPeerCert(self, cert, gid): # make sure the client_gid matches client's certificate if not cert.is_pubkey(gid.get_pubkey()): raise ConnectionKeyGIDMismatch(gid.get_subject()+":"+cert.get_subject()) def verifyGidRequestHash(self, gid, hash, arglist): key = gid.get_pubkey() if not key.verify_string(str(arglist), hash): raise BadRequestHash(hash) def verifyCredRequestHash(self, cred, hash, arglist): gid = cred.get_gid_caller() self.verifyGidRequestHash(gid, hash, arglist) def validateGid(self, gid): if self.trusted_cert_list: gid.verify_chain(self.trusted_cert_list) def validateCred(self, cred): if self.trusted_cert_list: cred.verify(self.trusted_cert_file_list) def authenticateGid(self, gidStr, argList, requestHash=None): gid = GID(string = gidStr) self.validateGid(gid) # request_hash is optional if requestHash: self.verifyGidRequestHash(gid, requestHash, argList) return gid def authenticateCred(self, credStr, argList, requestHash=None): cred = Credential(string = credStr) self.validateCred(cred) # request hash is optional if requestHash: self.verifyCredRequestHash(cred, requestHash, argList) return cred def authenticateCert(self, certStr, requestHash): cert = Certificate(string=certStr) # xxx should be validateCred ?? self.validateCred(cert) def gidNoop(self, gidStr, value, requestHash): self.authenticateGid(gidStr, [gidStr, value], requestHash) return value def credNoop(self, credStr, value, requestHash): self.authenticateCred(credStr, [credStr, value], requestHash) return value def verify_cred_is_me(self, credential): is_me = False cred = Credential(string=credential) caller_gid = cred.get_gid_caller() caller_hrn = caller_gid.get_hrn() if caller_hrn != self.config.SFA_INTERFACE_HRN: raise SfaPermissionDenied(self.config.SFA_INTEFACE_HRN) return def get_auth_info(self, auth_hrn): """ Given an authority name, return the information for that authority. This is basically a stub that calls the hierarchy module. @param auth_hrn human readable name of authority """ return self.hierarchy.get_auth_info(auth_hrn) def veriry_auth_belongs_to_me(self, name): """ Verify that an authority belongs to our hierarchy. This is basically left up to the implementation of the hierarchy module. If the specified name does not belong, ane exception is thrown indicating the caller should contact someone else. @param auth_name human readable name of authority """ # get auth info will throw an exception if the authority doesnt exist self.get_auth_info(name) def verify_object_belongs_to_me(self, name): """ Verify that an object belongs to our hierarchy. By extension, this implies that the authority that owns the object belongs to our hierarchy. If it does not an exception is thrown. @param name human readable name of object """ auth_name = self.get_authority(name) if not auth_name: auth_name = name if name == self.config.SFA_INTERFACE_HRN: return self.verify_auth_belongs_to_me(auth_name) def verify_auth_belongs_to_me(self, name): # get auth info will throw an exception if the authority doesnt exist self.get_auth_info(name) def verify_object_permission(self, name): """ Verify that the object gid that was specified in the credential allows permission to the object 'name'. This is done by a simple prefix test. For example, an object_gid for plc.arizona would match the objects plc.arizona.slice1 and plc.arizona. @param name human readable name to test """ object_hrn = self.object_gid.get_hrn() if object_hrn == name: return if name.startswith(object_hrn + "."): return #if name.startswith(get_authority(name)): #return raise PermissionError(name) def determine_user_rights(self, caller_hrn, reg_record): """ Given a user credential and a record, determine what set of rights the user should have to that record. This is intended to replace determine_user_rights() and verify_cancreate_credential() """ rl = Rights() type = reg_record.type if type == 'slice': # researchers in the slice are in the DB as-is researcher_hrns = [ user.hrn for user in reg_record.reg_researchers ] # locating PIs attached to that slice slice_pis=reg_record.get_pis() pi_hrns = [ user.hrn for user in slice_pis ] if (caller_hrn in researcher_hrns + pi_hrns): rl.add('refresh') rl.add('embed') rl.add('bind') rl.add('control') rl.add('info') elif type == 'authority': pi_hrns = [ user.hrn for user in reg_record.reg_pis ] if (caller_hrn == self.config.SFA_INTERFACE_HRN): rl.add('authority') rl.add('sa') rl.add('ma') if (caller_hrn in pi_hrns): rl.add('authority') rl.add('sa') # NOTE: for the PL implementation, this 'operators' list # amounted to users with 'tech' role in that site # it seems like this is not needed any longer, so for now I just drop that # operator_hrns = reg_record.get('operator',[]) # if (caller_hrn in operator_hrns): # rl.add('authority') # rl.add('ma') elif type == 'user': rl.add('refresh') rl.add('resolve') rl.add('info') elif type == 'node': rl.add('operator') return rl def get_authority(self, hrn): return get_authority(hrn) def filter_creds_by_caller(self, creds, caller_hrn_list): """ Returns a list of creds who's gid caller matches the specified caller hrn """ if not isinstance(creds, list): creds = [creds] creds = [] if not isinstance(caller_hrn_list, list): caller_hrn_list = [caller_hrn_list] for cred in creds: try: tmp_cred = Credential(string=cred) if tmp_cred.get_gid_caller().get_hrn() in [caller_hrn_list]: creds.append(cred) except: pass return creds