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273 lines
8.1 KiB
Python
273 lines
8.1 KiB
Python
# internal imports
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import os,sys; sys.path.append(os.path.abspath(os.path.join(os.path.abspath(os.path.join(os.path.dirname(__file__),'..')),'..')))
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from komrade import *
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# from komrade.backend.crypt import *
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# from komrade.backend.keymaker import *
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# from komrade.backend.mazes import *
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# from komrade.backend.switchboard import *
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from komrade.backend import *
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def locate_an_operator(name):
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global OPERATOR,TELEPHONE
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from komrade.backend.the_operator import TheOperator
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from komrade.backend.the_telephone import TheTelephone
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from komrade.backend.callers import Caller
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if name == OPERATOR_NAME:
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return OPERATOR if OPERATOR else TheOperator()
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if name == TELEPHONE_NAME:
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return TELEPHONE if TELEPHONE else TheTelephone()
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return Caller(name)
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class Operator(Keymaker):
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ROUTES = ['forge_new_keys','does_username_exist','hello_world']
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def __init__(self, name, passphrase=DEBUG_DEFAULT_PASSPHRASE, keychain = {}, path_crypt_keys=PATH_CRYPT_CA_KEYS, path_crypt_data=PATH_CRYPT_CA_DATA):
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super().__init__(name=name,passphrase=passphrase, keychain=keychain,
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path_crypt_keys=path_crypt_keys, path_crypt_data=path_crypt_data)
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# self.boot(create=False)
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# connect phonelines?
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from komrade.backend.phonelines import connect_phonelines
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self.operator_keychain,self.telephone_keychain,self.omega_key = connect_phonelines()
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# def boot(self,create=False):
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# # Do I have my keys?
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# have_keys = self.exists()
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# # If not, forge them -- only once!
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# if not have_keys and create:
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# self.get_new_keys()
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@property
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def phone(self):
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from komrade.backend.the_telephone import TheTelephone
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if type(self)==TheTelephone: return self
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if hasattr(self,'_phone'): return self._phone
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global TELEPHONE,TELEPHONE_KEYCHAIN
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if TELEPHONE: return TELEPHONE
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self._phone=TELEPHONE=TheTelephone()
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return TELEPHONE
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@property
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def op(self):
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from komrade.backend.the_operator import TheOperator
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if type(self)==TheOperator: return self
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if hasattr(self,'_op'): return self._op
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global OPERATOR,OPERATOR_KEYCHAIN
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if OPERATOR: return OPERATOR
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self._op=OPERATOR=TheOperator()
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return OPERATOR
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def compose_msg_to(self,msg,another):
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if not self.privkey or not self.pubkey:
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raise KomradeException('why do I have no pub/privkey pair!?',self,self.name,self.pubkey,self.privkey,self.keychain())
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if not another.name or not another.pubkey:
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raise KomradeException('why do I not know whom I\'m writing to?')
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# otherwise create msg
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msg_d = {
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'_from_pub':self.pubkey,
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'_from_name':self.name,
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'_to_pub':another.pubkey,
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'_to_name':another.name,
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'_msg':msg,
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}
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# self.log(f'I am {self} packaging a message to {another}: {msg_d}')
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from komrade.backend.messages import Message
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msg_obj = Message(msg_d,from_whom=self,to_whom=another)
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# encrypt!
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# msg_obj.encrypt()
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return msg_obj
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# def compose_reply(self,msg,another):
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def seal_msg(self,msg_d):
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# make sure encrypted
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self.log('sealing msg!:',dict_format(msg_d))
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# msg_obj.encrypt(recursive=True)
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# return pure binary version of self's entire msg_d
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msg_b = pickle.dumps(msg_d)
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self.log('pickled!',msg_b)
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# encrypt by omega key
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msg_b_encr = self.omega_key.encrypt(msg_b)
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self.log('final seal:',msg_b_encr)
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return msg_b_encr
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def unseal_msg(self,msg_b_encr,from_whom=None,to_whom=None):
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# default to assumption that I am the recipient
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if not to_whom: to_whom=self
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# decrypt by omega
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msg_b = self.omega_key.decrypt(msg_b_encr)
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# unpackage from transmission
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msg_d = pickle.loads(msg_b)
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# get message obj
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print('unsealed msg:',msg_d)
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from komrade.backend.messages import Message
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msg_obj = Message(msg_d,from_whom=from_whom,to_whom=to_whom)
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# decrypt msg
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return msg_obj
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def __repr__(self):
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clsname=(type(self)).__name__
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keystr='+'.join(self.top_keys)
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return f'[{clsname}] {self.name} ({keystr})'
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def locate_an_operator(self,name):
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if name == OPERATOR_NAME:
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return TheOperator()
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if name == TELEPHONE_NAME:
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return TheTelephone()
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return Caller(name)
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# return resp_msg_obj
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def route(self,msg_obj):
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data,route = msg_obj.data, msg_obj.route
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if not hasattr(self,route) or route not in self.ROUTES:
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raise KomradeException('route not valid!')
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# route it!
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func = getattr(self,route)
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new_data = func(**data)
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self.log('got back from route func <-',new_data)
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# return the other way
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self.log('message was sent this way:',msg_obj)
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msg_obj.mark_return_to_sender(new_msg=new_data)
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self.log('now it\'s going the other way:',msg_obj)
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# if not decrypted
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if not msg_obj.is_encrypted:
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msg_obj.encrypt()
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return msg_obj
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def route_msg(self,msg_obj):
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# decrypt
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self.log('got msg_obj!',msg_obj)
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if msg_obj.is_encrypted:
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msg_obj.decrypt()
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# are there instructions for us?
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if msg_obj.route:
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# get result from routing
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self.log(f'routing msg to self.{msg_obj.route}(**{msg_obj.data})')
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return self.route(msg_obj)
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# can we pass the buck on?
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elif msg_obj.has_embedded_msg:
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embedded_msg = msg_obj.msg
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embedded_recipient = embedded_msg.to_whom
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# whew, then we can make someone else take the phone
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self.log(f'passing msg onto {embedded_recipient} ...')
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return embedded_recipient.route_msg(embedded_msg)
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# ???
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self.log('what do I do? giving this back to you...')
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return msg_obj
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def ring_ring(self,msg,to_whom,get_resp_from=None):
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# ring ring
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self.log(f'''
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ring ring!
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I am {self}.
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I have been told to pass onto {to_whom},
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by way of function {get_resp_from},
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the following msg:
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{dict_format(msg,tab=5)}
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''')
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# get encr msg obj
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msg_obj = self.compose_msg_to(
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msg,
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to_whom
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)
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self.log(f'ring ring! here is the message object I made, to send to {to_whom}: {msg_obj}')
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# encrypting
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msg_obj.encrypt()
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# get pure encrypted binary, sealed
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#msg_sealed = self.seal_msg(msg_obj)
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# pass onto next person...
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if not get_resp_from: get_resp_from=to_whom.ring_ring
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resp_msg_obj = get_resp_from(msg_obj.msg_d)
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self.log('resp_msg_obj <-',resp_msg_obj)
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if resp_msg_obj.is_encrypted:
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resp_msg_obj.decrypt()
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# route back?
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route_result = self.route_msg(resp_msg_obj)
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self.log('route_result 2?',route_result)
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return route_result
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# decrypt?
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# from komrade.backend.messages import Message
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# if type(route_result)==Message:
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# if route_result.is_encrypted:
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# route_result.decrypt()
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# return route_result
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def pronto_pronto(self, msg_obj):
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self.log(f'''
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pronto pronto!
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>> {msg_obj}
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''')
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route_response = self.route_msg(msg_obj)
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self.log('route_response',route_response)
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# set this to be the new msg
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#msg_obj.msg = msg_obj.msg_d['_msg'] = response
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#self.log('what msg_obj looks like now:',msg_obj)
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# send new content back
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resp_msg_obj = msg_obj.to_whom.compose_msg_to(
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route_response,
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msg_obj.from_whom
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)
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self.log('resp_msg_obj',resp_msg_obj)
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# re-encrypt
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resp_msg_obj.encrypt()
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self.log(f're-encrypted: {resp_msg_obj}')
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# pass msg back the chain
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return resp_msg_obj
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