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295 lines
9.4 KiB
Python
295 lines
9.4 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=None,pubkey=None):
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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 not OPERATOR: OPERATOR = TheOperator()
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if not TELEPHONE: TELEPHONE = TheTelephone()
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if pubkey:
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assert type(pubkey)==bytes
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if not isBase64(pubkey): pubkey=b64encode(pubkey)
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if name == OPERATOR_NAME:
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return OPERATOR
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if pubkey and pubkey == OPERATOR.pubkey.data_b64:
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return OPERATOR
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if name==TELEPHONE_NAME:
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return TELEPHONE
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if pubkey and pubkey == TELEPHONE.pubkey.data_b64
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return TELEPHONE
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return Caller(name=name,pubkey=pubkey)
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from komrade.constants import OPERATOR_ROUTES
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class Operator(Keymaker):
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ROUTES = OPERATOR_ROUTES
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def __init__(self, name=None, pubkey=None, passphrase=DEBUG_DEFAULT_PASSPHRASE, keychain = {}, path_crypt_keys=PATH_CRYPT_CA_KEYS, path_crypt_data=PATH_CRYPT_CA_DATA):
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if pubkey:
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assert type(pubkey)==bytes
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if isBase64(pubkey): pubkey = b64decode(pubkey)
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if keychain.get('pubkey'):
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assert keychain.get('pubkey').data == pubkey:
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else:
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keychain['pubkey']=KomradeAsymmetricPublicKey(pubkey)
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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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def boot(self):
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## get both name and pubkey somehow
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if not self.pubkey and self.name:
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self._keychain['pubkey'] = self.find_pubkey()
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elif self.pubkey and not self.name:
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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,incl_from_name=False,incl_to_name=False):
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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':self.pubkey.data,
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# 'from_name':self.name,
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'to':another.pubkey.data,
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# 'to_name':another.name,
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'msg':msg
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}
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if incl_from_name: msg_d['from_name']=self.name
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if incl_to_name: msg_d['to_name']=self.name
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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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# msg_b = pickle.dumps(msg_d)
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# self.log('Message has being sealed in a final binary package:',b64encode(msg_b))
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# return msg_b
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def unseal_msg(self,msg_b,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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# msg_b = 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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msg_d = {
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'from':from_whom.pubkey,
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'to':to_whom,
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'msg':msg_b
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}
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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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#name = clsname+' '+
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name = '@'+self.name # if self.name!=clsname else clsname
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# try:
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# keystr= 'on device: ' + ('+'.join(self.top_keys) if self.pubkey else '')
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# except TypeError:
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# keystr=''
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# # if self.pubkey:
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keystr=''
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if False:
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pubk=self.pubkey_b64.decode()
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pubk=pubk[-5:]
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pubk = f' ({pubk})'# if pubk else ''
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else:
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pubk = ''
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return f'{name}' #' ({keystr})'
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def route_msg(self,msg_obj,reencrypt=True):
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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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# try route
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if msg_obj.route:
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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(f'Not a valid route!: {route}')
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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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msg_obj.msg = msg_obj.msg_d['msg'] = new_data
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# try passing it on?
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if msg_obj.has_embedded_msg:
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new_data = self.route_msg(msg_obj.msg)
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msg_obj.msg = msg_obj.msg_d['msg'] = new_data
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# time to turn around and encrypt
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msg_obj.mark_return_to_sender()
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self.log('returning to sender as:',msg_obj)
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# encrypt
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if reencrypt:
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msg_obj.encrypt()
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return msg_obj
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def ring_ring(self,msg,to_whom,get_resp_from=None,route=None,caller=None):
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# ring ring
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from komrade.cli.artcode import ART_PHONE_SM1
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import textwrap as tw
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nxt=get_class_that_defined_method(get_resp_from).__name__
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nxtfunc=get_resp_from.__name__
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# if from_whom != self:
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# self.status(f'''ring ring!
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# @{self}: *picks up phone*
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# @{from_whom}: I have a message I need you to send for me.
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# @{self}: To whom?
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# @{from_whom}: To @{to_whom}. But not directly.
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# @{self}: Who should it I pass it through?
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# @{from_whom}: Pass it to {nxt}. Tell them to use "{nxtfunc}".
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# @{self}: Got it... So what's the message?
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# @{from_whom}: The message is:
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# {dict_format(msg,tab=4)}
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# ''')
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if caller!=self:
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from komrade.cli.artcode import ART_PHONE_SM1
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self.log(f'ring ring! I the {self} have received a message from {caller},\n which I will now encrypt and send along to {to_whom}.\n {ART_PHONE_SM1} ')
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else:
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pass
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# self.log(f'I ({self}) will now compose and send an encrypted message to {to_whom}.')
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if route and type(msg)==dict and not ROUTE_KEYNAME in msg:
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msg[ROUTE_KEYNAME] = route
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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'Here is the message I will now encrypt and to send to {to_whom}:\n\n {dict_format(msg_obj.msg,tab = 2)}')
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# encrypting
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msg_obj.encrypt()
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# pass through the telephone wire by the get_resp_from function
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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,caller=caller)
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self.log('resp_msg_obj <-',resp_msg_obj)
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# decrypt
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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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return self.route_msg(resp_msg_obj,reencrypt=False).msg
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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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return self.route_msg(msg_obj,reencrypt=True)
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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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# # from komrade.backend.messages import Message
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# # if type(route_response)==Message:
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# # resp_msg_obj = route_response
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# # else:
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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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# if not resp_msg_obj.is_encrypted:
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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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