-#
-# SFA XML-RPC and SOAP interfaces
-#
-
-import os
-import tempfile
-import datetime
import xmlrpclib
-
-from sfa.util.faults import RecordNotFound, MissingSfaInfo
-from sfa.util.api import BaseAPI
-from sfa.util.config import Config
+#
+from sfa.util.faults import MissingSfaInfo
from sfa.util.sfalogging import logger
-import sfa.util.xmlrpcprotocol as xmlrpcprotocol
+from sfa.util.table import SfaTable
+
from sfa.util.xrn import hrn_to_urn
-from sfa.util.plxrn import hostname_to_hrn, hrn_to_pl_slicename, \
- hrn_to_pl_slicename, slicename_to_hrn, hrn_to_pl_login_base
-from sfa.util.nodemanager import NodeManager
-
-from sfa.trust.auth import Auth
-from sfa.trust.rights import determine_rights
-from sfa.trust.credential import Credential
-from sfa.trust.certificate import Certificate, Keypair
-from sfa.trust.gid import GID
+from sfa.util.plxrn import slicename_to_hrn, hostname_to_hrn, hrn_to_pl_slicename, hrn_to_pl_login_base
+
+from sfa.server.sfaapi import SfaApi
+
+#################### xxx should move into util/defaultdict
try:
from collections import defaultdict
except:
keys = [rec[key] for rec in recs]
return dict(zip(keys, recs))
-class SfaAPI(BaseAPI):
-
- # flat list of method names
- import sfa.methods
- methods = sfa.methods.all
-
- def __init__(self, config = "/etc/sfa/sfa_config.py", encoding = "utf-8",
- methods='sfa.methods', peer_cert = None, interface = None,
- key_file = None, cert_file = None, cache = None):
- BaseAPI.__init__(self, config=config, encoding=encoding, methods=methods, \
- peer_cert=peer_cert, interface=interface, key_file=key_file, \
- cert_file=cert_file, cache=cache)
+class PlcSfaApi(SfaApi):
+
+ def __init__ (self, encoding="utf-8", methods='sfa.methods',
+ config = "/etc/sfa/sfa_config.py",
+ peer_cert = None, interface = None,
+ key_file = None, cert_file = None, cache = None):
+ SfaApi.__init__(self, encoding=encoding, methods=methods,
+ config=config,
+ peer_cert=peer_cert, interface=interface,
+ key_file=key_file,
+ cert_file=cert_file, cache=cache)
- self.encoding = encoding
- from sfa.util.table import SfaTable
self.SfaTable = SfaTable
- # Better just be documenting the API
- if config is None:
- return
-
- # Load configuration
- self.config = Config(config)
- self.auth = Auth(peer_cert)
- self.interface = interface
- self.key_file = key_file
- self.key = Keypair(filename=self.key_file)
- self.cert_file = cert_file
- self.cert = Certificate(filename=self.cert_file)
- self.credential = None
# Initialize the PLC shell only if SFA wraps a myPLC
rspec_type = self.config.get_aggregate_type()
if (rspec_type == 'pl' or rspec_type == 'vini' or \
self.plshell = self.getPLCShell()
self.plshell_version = "4.3"
- self.hrn = self.config.SFA_INTERFACE_HRN
- self.time_format = "%Y-%m-%d %H:%M:%S"
-
-
def getPLCShell(self):
self.plauth = {'Username': self.config.SFA_PLC_USER,
'AuthMethod': 'password',
shell = xmlrpclib.Server(url, verbose = 0, allow_none = True)
return shell
- def get_server(self, interface, cred, timeout=30):
- """
- Returns a connection to the specified interface. Use the specified
- credential to determine the caller and look for the caller's key/cert
- in the registry hierarchy cache.
- """
- from sfa.trust.hierarchy import Hierarchy
- if not isinstance(cred, Credential):
- cred_obj = Credential(string=cred)
- else:
- cred_obj = cred
- caller_gid = cred_obj.get_gid_caller()
- hierarchy = Hierarchy()
- auth_info = hierarchy.get_auth_info(caller_gid.get_hrn())
- key_file = auth_info.get_privkey_filename()
- cert_file = auth_info.get_gid_filename()
- server = interface.get_server(key_file, cert_file, timeout)
- return server
-
-
- def getCredential(self):
- """
- Return a valid credential for this interface.
- """
- type = 'authority'
- path = self.config.SFA_DATA_DIR
- filename = ".".join([self.interface, self.hrn, type, "cred"])
- cred_filename = path + os.sep + filename
- cred = None
- if os.path.isfile(cred_filename):
- cred = Credential(filename = cred_filename)
- # make sure cred isnt expired
- if not cred.get_expiration or \
- datetime.datetime.utcnow() < cred.get_expiration():
- return cred.save_to_string(save_parents=True)
-
- # get a new credential
- if self.interface in ['registry']:
- cred = self.__getCredentialRaw()
- else:
- cred = self.__getCredential()
- cred.save_to_file(cred_filename, save_parents=True)
-
- return cred.save_to_string(save_parents=True)
-
-
- def getDelegatedCredential(self, creds):
- """
- Attempt to find a credential delegated to us in
- the specified list of creds.
- """
- from sfa.trust.hierarchy import Hierarchy
- if creds and not isinstance(creds, list):
- creds = [creds]
- hierarchy = Hierarchy()
-
- delegated_cred = None
- for cred in creds:
- if hierarchy.auth_exists(Credential(string=cred).get_gid_caller().get_hrn()):
- delegated_cred = cred
- break
- return delegated_cred
-
- def __getCredential(self):
- """
- Get our credential from a remote registry
- """
- from sfa.server.registry import Registries
- registries = Registries()
- registry = registries.get_server(self.hrn, self.key_file, self.cert_file)
- cert_string=self.cert.save_to_string(save_parents=True)
- # get self credential
- self_cred = registry.GetSelfCredential(cert_string, self.hrn, 'authority')
- # get credential
- cred = registry.GetCredential(self_cred, self.hrn, 'authority')
- return Credential(string=cred)
-
- def __getCredentialRaw(self):
- """
- Get our current credential directly from the local registry.
- """
-
- hrn = self.hrn
- auth_hrn = self.auth.get_authority(hrn)
-
- # is this a root or sub authority
- if not auth_hrn or hrn == self.config.SFA_INTERFACE_HRN:
- auth_hrn = hrn
- auth_info = self.auth.get_auth_info(auth_hrn)
- table = self.SfaTable()
- records = table.findObjects({'hrn': hrn, 'type': 'authority+sa'})
- if not records:
- raise RecordNotFound
- record = records[0]
- type = record['type']
- object_gid = record.get_gid_object()
- new_cred = Credential(subject = object_gid.get_subject())
- new_cred.set_gid_caller(object_gid)
- new_cred.set_gid_object(object_gid)
- new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
-
- r1 = determine_rights(type, hrn)
- new_cred.set_privileges(r1)
- new_cred.encode()
- new_cred.sign()
-
- return new_cred
-
-
- def loadCredential (self):
- """
- Attempt to load credential from file if it exists. If it doesnt get
- credential from registry.
- """
-
- # see if this file exists
- # XX This is really the aggregate's credential. Using this is easier than getting
- # the registry's credential from iteslf (ssl errors).
- ma_cred_filename = self.config.SFA_DATA_DIR + os.sep + self.interface + self.hrn + ".ma.cred"
- try:
- self.credential = Credential(filename = ma_cred_filename)
- except IOError:
- self.credential = self.getCredentialFromRegistry()
-
-
-
##
# Convert SFA fields to PLC fields for use when registering up updating
# registry record in the PLC database
# please remove once this is issue is cleanly fixed
def normalize (value):
from types import StringTypes
- from sfa.util.sfalogging import logger
if isinstance(value,StringTypes): return value
elif isinstance(value,dict):
newvalue=value['text']
elif record.type == "authority":
# xxx TODO
pass
-
-
-
-class ComponentAPI(BaseAPI):
-
- def __init__(self, config = "/etc/sfa/sfa_config.py", encoding = "utf-8", methods='sfa.methods',
- peer_cert = None, interface = None, key_file = None, cert_file = None):
-
- BaseAPI.__init__(self, config=config, encoding=encoding, methods=methods, peer_cert=peer_cert,
- interface=interface, key_file=key_file, cert_file=cert_file)
- self.encoding = encoding
-
- # Better just be documenting the API
- if config is None:
- return
-
- self.nodemanager = NodeManager(self.config)
-
- def sliver_exists(self):
- sliver_dict = self.nodemanager.GetXIDs()
- ### xxx slicename is undefined
- if slicename in sliver_dict.keys():
- return True
- else:
- return False
-
- def get_registry(self):
- addr, port = self.config.SFA_REGISTRY_HOST, self.config.SFA_REGISTRY_PORT
- url = "http://%(addr)s:%(port)s" % locals()
- server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
- return server
-
- def get_node_key(self):
- # this call requires no authentication,
- # so we can generate a random keypair here
- subject="component"
- (kfd, keyfile) = tempfile.mkstemp()
- (cfd, certfile) = tempfile.mkstemp()
- key = Keypair(create=True)
- key.save_to_file(keyfile)
- cert = Certificate(subject=subject)
- cert.set_issuer(key=key, subject=subject)
- cert.set_pubkey(key)
- cert.sign()
- cert.save_to_file(certfile)
- registry = self.get_registry()
- # the registry will scp the key onto the node
- registry.get_key()
-
- def getCredential(self):
- """
- Get our credential from a remote registry
- """
- path = self.config.SFA_DATA_DIR
- config_dir = self.config.config_path
- cred_filename = path + os.sep + 'node.cred'
- try:
- credential = Credential(filename = cred_filename)
- return credential.save_to_string(save_parents=True)
- except IOError:
- node_pkey_file = config_dir + os.sep + "node.key"
- node_gid_file = config_dir + os.sep + "node.gid"
- cert_filename = path + os.sep + 'server.cert'
- if not os.path.exists(node_pkey_file) or \
- not os.path.exists(node_gid_file):
- self.get_node_key()
-
- # get node's hrn
- gid = GID(filename=node_gid_file)
- hrn = gid.get_hrn()
- # get credential from registry
- cert_str = Certificate(filename=cert_filename).save_to_string(save_parents=True)
- registry = self.get_registry()
- cred = registry.GetSelfCredential(cert_str, hrn, 'node')
- # xxx credfile is undefined
- Credential(string=cred).save_to_file(credfile, save_parents=True)
-
- return cred
-
- def clean_key_cred(self):
- """
- remove the existing keypair and cred and generate new ones
- """
- files = ["server.key", "server.cert", "node.cred"]
- for f in files:
- # xxx KEYDIR is undefined, could be meant to be "/var/lib/sfa/" from sfa_component_setup.py
- filepath = KEYDIR + os.sep + f
- if os.path.isfile(filepath):
- os.unlink(f)
-
- # install the new key pair
- # GetCredential will take care of generating the new keypair
- # and credential
- self.get_node_key()
- self.getCredential()
-
-
git://git.onelab.eu / sfa.git / blobdiff