def _refresh_common_key(sid):
s_obj = WebServerModel.objects(sid=sid)
if s_obj.get().children:
logger.info("common key timeout")
new_prk = api.generate_private_key()
message = {
"action":api._ACTION_KEYS[3],
"data":
{
"common_key_private":new_prk.exportKey().decode('utf-8')
}
}
try:
if _broadcast_to_nodes(api.EXCHANGE_FOR_ALL,
api.encrypt_msg(s_obj.scalar('common_key_public').get(),
message)) == False:
logger.error("Message broadcast failed")
#else:
res = s_obj.update_one(
common_key_public=api.generate_public_key(new_prk).exportKey().decode('utf-8'),
common_key_private=message['data']['common_key_private'])
s_obj.get().save()
## make log of updated common key
_make_log(api._ACTION_KEYS[3], sid, "common key updated")
except:
logger.error("try again")
threading.Timer(api.COMMON_KEY_TIMEOUT, _refresh_common_key, [sid]).start()
from web_server.general_api.connection_timeout import ConnTimeout
from client_model import AppModel
from app_core import Node
from server_listener import BroadcastListener, MessageListener
from mongoengine import *
MSG_FROM_NODES = "msg_from_nodes"
## if this file is directly ran by python
if __name__ == "__main__":
connect('chatchat')
private_key = api.generate_private_key()
m_AppModel = AppModel(
public_key=api.generate_public_key(private_key).exportKey().decode('utf-8'),
nid=str(api.__uuid_generator_1()),
private_key=private_key.exportKey().decode('utf-8'))
## this will execute document.insert()
m_AppModel.save()
# node instance
mNode = Node(pickle.dumps(m_AppModel))
mNode.start()
# listener for receiving broadcasted msg from the master server
mBroadcastListener = BroadcastListener(m_AppModel.nid)
mBroadcastListener.start()
mMessageListener = MessageListener(m_AppModel.nid)
