def sendMessage(self, to_field, message_body):
#try:
# If sending an initiator
if self.data_store.getSessionDetails(to_field) is None:
# get session id
session_id = self.data_store.getNewSessionID()
# create init
init = SMSSecInitiatorMessage(to_field, self.data_store.this_telephone)
details = init.createMessage(self.data_store.getPublicKey(to_field), self.data_store.this_password, session_id)
# create session
self.data_store.startNewSendingSession(to_field, details["session_id"], details["iv"], details["key_params"], details["random_challenge"])
# put message on backburner
self.data_store.storeMessage(to_field, message_body)
# increment send count
self.data_store.incrementSendSequence(to_field)
# return message.
return {"status": 0, "message":init}
# If sending a responder
elif self.data_store.getSessionDetails(to_field)["send_sequence"] == 0 and self.data_store.getSessionDetails(to_field)["receive_sequence"] == 1:
# Create responder
responder = SMSSecResponderMessage(to_field, self.data_store.this_telephone)
details = self.data_store.getSessionDetails(to_field)
responder.createMessage(details['random_challenge'], details['send_iv'], details['key'])
return {"status":1, "message":responder, "random_challenge":details['random_challenge'], "iv":details['send_iv'], "key":details['key']}
# If sending a message
elif self.data_store.getSessionDetails(to_field)["send_sequence"] >= 1:
if message_body is None and self.data_store.getSessionDetails(to_field)['stored_message'] is not None:
message_body = self.data_store.getSessionDetails(to_field)['stored_message']
if message_body is not None:
# Divide message
divided_messages = self.divideMessage(message_body)
messages = []
for message in divided_messages:
# increment send count
details = self.data_store.getSessionDetails(to_field)
smsMessage = SMSSecSequenceMessage(to_field, self.data_store.this_telephone)
smsMessage.createMessage(message, details["send_sequence"], details["send_iv"], details["key"])
messages.append({"message":smsMessage, "sequence":details["send_sequence"],"iv":details["send_iv"],"key":details["key"]})
self.data_store.incrementSendSequence(to_field)
return {"status":2, "messages":messages}
# return message
else:
print "Message is empty"
# Create session on server
# Send responder to client
servInitiator = SMSSecInitiatorMessage(store.server_telephone, fromField)
servInitDetails = servInitiator.decrypt(initiator.message, store.getBoothPassword(fromField), store.private_key)
responder = SMSSecResponderMessage(store.server_telephone, fromField)
store.startNewSession(
fromField,
servInitDetails["session_id"],
servInitDetails["iv"],
servInitDetails["key_params"],
servInitDetails["random_challenge"],
)
details = store.getSessionDetails(fromField)
responder.createMessage(details["random_challenge"], details["send_iv"], details["key"])
store.incrementSendSequence(fromField)
# Decrypt responder
clientResp = SMSSecResponderMessage(clientstore.server_telephone, clientstore.booth_telephone)
curSesh = clientstore.getCurrentSessionDetails()
message = SMSSecSequenceMessage(clientstore.server_telephone, clientstore.booth_telephone)
if clientResp.decrypt(responder.message, curSesh["random_challenge"], curSesh["receive_iv"], curSesh["key"]):
clientstore.incrementRecieveSequence()
message = SMSSecSequenceMessage(clientstore.server_telephone, clientstore.booth_telephone)
details = clientstore.getCurrentSessionDetails()
# Encrypt first message
message.createMessage(
"candidates:{candidate: {name1:'ben' name2:'kingsley' party:'Pirate Party'},candidate: {name1:'ben' name2:'kingsley' party:'Pirate Party'}}",
details["send_sequence"],
details["send_iv"],