def receive_message(self, datagram, connection):
m = Message()
try:
m.ParseFromString(datagram)
sender = node.Node(m.sender.guid, m.sender.ip, m.sender.port, m.sender.signedPublicKey, m.sender.vendor)
except Exception:
# If message isn't formatted property then ignore
self.log.warning("Received unknown message from %s, ignoring" % str(connection.dest_addr))
return False
# Check that the GUID is valid. If not, ignore
if self.router.isNewNode(sender):
try:
pubkey = m.sender.signedPublicKey[len(m.sender.signedPublicKey) - 32:]
verify_key = nacl.signing.VerifyKey(pubkey)
verify_key.verify(m.sender.signedPublicKey)
h = nacl.hash.sha512(m.sender.signedPublicKey)
pow_hash = h[64:128]
if int(pow_hash[:6], 16) >= 50 or hexlify(m.sender.guid) != h[:40]:
raise Exception('Invalid GUID')
except Exception:
self.log.warning("Received message from sender with invalid GUID, ignoring")
return False
if m.sender.vendor:
VendorStore().save_vendor(m.sender.guid, m.sender.ip, m.sender.port, m.sender.signedPublicKey)
msgID = m.messageID
data = tuple(m.arguments)
if msgID in self._outstanding:
self._acceptResponse(msgID, data, sender)
else:
self._acceptRequest(msgID, str(Command.Name(m.command)).lower(), data, sender, connection)
def parse_response(moderators):
if moderators is None:
return None
def parse_profiles(responses):
for k, v in responses.items():
if v is None:
del responses[k]
return responses
ds = {}
for mod in moderators:
try:
val = objects.Value()
val.ParseFromString(mod)
n = objects.Node()
n.ParseFromString(val.serializedData)
ds[val.serializedData] = self.get_profile(node.Node(n.guid, n.ip, n.port, n.signedPublicKey))
except Exception:
pass
return deferredDict(ds).addCallback(parse_profiles)
def receive_message(self, datagram, connection, ban_score):
m = Message()
try:
m.ParseFromString(datagram)
sender = node.Node(m.sender.guid, m.sender.ip, m.sender.port,
m.sender.signedPublicKey, m.sender.vendor)
except Exception:
# If message isn't formatted property then ignore
self.log.warning("received unknown message from %s, ignoring" %
str(connection.dest_addr))
return False
if m.testnet != self.multiplexer.testnet:
self.log.warning(
"received message from %s with incorrect network parameters." %
str(connection.dest_addr))
connection.shutdown()
return False
if m.protoVer < PROTOCOL_VERSION:
self.log.warning(
"received message from %s with incompatible protocol version."
% str(connection.dest_addr))
connection.shutdown()
return False
# Check that the GUID is valid. If not, ignore
if self.router.isNewNode(sender):
try:
pubkey = m.sender.signedPublicKey[len(m.sender.signedPublicKey
) - 32:]
verify_key = nacl.signing.VerifyKey(pubkey)
verify_key.verify(m.sender.signedPublicKey)
h = nacl.hash.sha512(m.sender.signedPublicKey)
pow_hash = h[64:128]
if int(pow_hash[:6], 16) >= 50 or hexlify(
m.sender.guid) != h[:40]:
raise Exception('Invalid GUID')
except Exception:
self.log.warning(
"received message from sender with invalid GUID, ignoring")
connection.shutdown()
return False
if m.sender.vendor:
self.db.VendorStore().save_vendor(m.sender.guid.encode("hex"),
m.sender.ip, m.sender.port,
m.sender.signedPublicKey)
msgID = m.messageID
if m.command == NOT_FOUND:
data = None
else:
data = tuple(m.arguments)
if msgID in self._outstanding:
self._acceptResponse(msgID, data, sender)
elif m.command != NOT_FOUND:
ban_score.process_message(m)
self._acceptRequest(msgID,
str(Command.Name(m.command)).lower(), data,
sender, connection)