import os,sys; sys.path.append(os.path.abspath(os.path.join(os.path.abspath(os.path.join(os.path.dirname(__file__),'..')),'..')))
from komrade import *
from komrade.backend import *
def is_valid_msg_d(msg_d):
if not type(msg_d)==dict: return False
to_name=msg_d.get('_to_name')
to_pub=msg_d.get('_to_pub')
from_name=msg_d.get('_from_name')
from_pub=msg_d.get('_from_pub')
msg=msg_d.get('_msg')
if to_name and to_pub and from_name and from_pub and msg: return True
return False
class Message(Logger):
def __init__(self,msg_d,caller=None,callee=None,messenger=None,embedded_msg=None,is_encrypted=False):
# check input
if not is_valid_msg_d(msg_d):
raise KomradeException('This is not a valid msg_d:',msg_d)
# set fields
self.msg_d=msg_d
self.to_name=msg_d.get('_to_name')
self.to_pubkey=msg_d.get('_to_pub')
self.from_name=msg_d.get('_from_name')
self.from_pubkey=msg_d.get('_from_pub')
self.msg=msg_d.get('_msg')
self.embedded_msg=embedded_msg # only if this message has an embedded one
self._route=msg_d.get(ROUTE_KEYNAME)
self._caller=caller
self._callee=callee
self.messenger=None
self.is_encrypted=False
# get operators straight away?
if not self._caller or not self._callee:
self.get_callers()
def __repr__(self):
return f"""
self.msg_d={self.msg_d}
self.to_name={self.to_name}
self.to_pubkey={self.to_pubkey}
self.from_name={self.from_name}
self.from_pubkey={self.from_pubkey}
self.msg={self.msg}
self.embedded_msg={self.embedded_msg}
self._route={self._route}
self._caller={self.caller}
self._callee={self.callee}
self.messenger={self.messenger}
"""
def get_caller(self,name):
if name == OPERATOR_NAME:
return TheOperator()
if name == TELEPHONE_NAME:
return TheTelephone()
return Caller(name)
@property
def caller(self):
if not self._caller:
self._caller,self._callee = self.get_callers()
return self._caller
@property
def callee(self):
if not self._callee:
self._caller,self._callee = self.get_callers()
return self._callee
## loading messages
def get_callers(self):
if self._caller is not None and self._callee is not None:
return (self._caller,self._callee)
alleged_caller = self.get_caller(self.from_name)
alleged_callee = self.get_caller(self.to_name)
if not self.caller_records_match(alleged_caller,alleged_callee):
raise KomradeException('Records of callers on The Operator and the Caller do not match. Something fishy going on?')
else:
self._caller = alleged_caller
self._callee = alleged_callee
return (self._caller,self._callee)
def caller_records_match(self,alleged_caller,alleged_callee):
alleged_caller_name = self.from_name
alleged_caller_pubkey = self.from_pubkey
alleged_callee_name = self.to_name
alleged_callee_pubkey = self.to_pubkey
self.log('caller names:',alleged_caller.name, alleged_caller_name)
self.log('caller pubs:',alleged_caller.pubkey, alleged_caller_pubkey)
self.log('callee names:',alleged_callee.name, alleged_callee_name)
self.log('callee pubs:',alleged_callee.pubkey, alleged_callee_pubkey)
if alleged_callee.name != alleged_callee_name:
return False
if alleged_caller.name != alleged_caller_name:
return False
if alleged_callee.pubkey != alleged_callee_pubkey:
return False
if alleged_caller.pubkey != alleged_caller_pubkey:
return False
return True
def decrypt(self,recursive=True):
# get callers
caller,callee = self.get_callers()
self.log(f'attempting to decrypt msg {self.msg} from {caller} to {caller}')
# decrypt msg
decr_msg = caller.unpackage_msg_from(
self.msg,
callee
)
self.msg_encr = self.msg
self.msg = decr_msg
self.msg_d['_msg'] = decr_msg
# now, is the decrypted message itself a message?
if recursive and is_valid_msg_d(decr_msg):
# then ... make that, a message object and decrypt it too!
self.msg = Message(decr_msg)
self.msg.decrypt()
return decr_msg
def encrypt(self,recursive=True):
"""
Assuming that a recursive message looks like this:
self.msg_d={'_from_pub': b'UEC2\x00\x00\x00-\x10\xdcu\xc7\x03:\xb6}\xd2\x88\x93E\x88\x00\xed\xda&\x8f\xd0\x1ae\xe1\xa3\x1b=\xd6\xadBB~M\x86\xda\xd57\x8e\xb5', '_from_name': 'TheTelephone', '_to_pub': b'UEC2\x00\x00\x00-W\xbe\xc4\xa2\x02Sm\xe0\xfc\xde\x1c\xbb\xa2E\x8fy \xc7~+\xff\xd7p\xc6s\xab\xe5\xb29M/\xf24\x92\x91n0', '_to_name': 'TheOperator', '_msg': b' \'\x04&h\x00\x00\x00\x00\x01\x01@\x0c\x00\x00\x00\x10\x00\x00\x004\x00\x00\x00\x90\x1a\x88\x89\x93-\x10\xfb\x14\x10\x08M\xc0\xf2_i\x842\xa8k\xcc\xff"c\x0e"x\\"\xaf\x9c\x91>\x87\x9f|~PP\xb5\x02\x91q\\X\xd2\xbdQu\xcc\xd0A\x0b7zL)\x80\x94[\xe7+I\xf1m\x0f\xb4\x80\xc7;\x8fO7\x99\x90d_\xb2y\xc4'}
self.to_name=TheOperator
self.to_pubkey=b'UEC2\x00\x00\x00-W\xbe\xc4\xa2\x02Sm\xe0\xfc\xde\x1c\xbb\xa2E\x8fy \xc7~+\xff\xd7p\xc6s\xab\xe5\xb29M/\xf24\x92\x91n0'
self.from_name=Caller
self.from_pubkey=b'UEC2\x00\x00\x00-\x10\xdcu\xc7\x03:\xb6}\xd2\x88\x93E\x88\x00\xed\xda&\x8f\xd0\x1ae\xe1\xa3\x1b=\xd6\xadBB~M\x86\xda\xd57\x8e\xb5'
self.msg=
self.msg_d={'_from_pub': b'UEC2\x00\x00\x00-\x10\xdcu\xc7\x03:\xb6}\xd2\x88\x93E\x88\x00\xed\xda&\x8f\xd0\x1ae\xe1\xa3\x1b=\xd6\xadBB~M\x86\xda\xd57\x8e\xb5', '_from_name': 'TheTelephone', '_to_pub': b'UEC2\x00\x00\x00-W\xbe\xc4\xa2\x02Sm\xe0\xfc\xde\x1c\xbb\xa2E\x8fy \xc7~+\xff\xd7p\xc6s\xab\xe5\xb29M/\xf24\x92\x91n0', '_to_name': 'TheOperator', '_msg': b' \'\x04&h\x00\x00\x00\x00\x01\x01@\x0c\x00\x00\x00\x10\x00\x00\x004\x00\x00\x00\x90\x1a\x88\x89\x93-\x10\xfb\x14\x10\x08M\xc0\xf2_i\x842\xa8k\xcc\xff"c\x0e"x\\"\xaf\x9c\x91>\x87\x9f|~PP\xb5\x02\x91q\\X\xd2\xbdQu\xcc\xd0A\x0b7zL)\x80\x94[\xe7+I\xf1m\x0f\xb4\x80\xc7;\x8fO7\x99\x90d_\xb2y\xc4'}
self.to_name=TheOperator
self.to_pubkey=b'UEC2\x00\x00\x00-W\xbe\xc4\xa2\x02Sm\xe0\xfc\xde\x1c\xbb\xa2E\x8fy \xc7~+\xff\xd7p\xc6s\xab\xe5\xb29M/\xf24\x92\x91n0'
self.from_name=TheTelephone
self.from_pubkey=b'UEC2\x00\x00\x00-\x10\xdcu\xc7\x03:\xb6}\xd2\x88\x93E\x88\x00\xed\xda&\x8f\xd0\x1ae\xe1\xa3\x1b=\xd6\xadBB~M\x86\xda\xd57\x8e\xb5'
self.msg=b' \'\x04&h\x00\x00\x00\x00\x01\x01@\x0c\x00\x00\x00\x10\x00\x00\x004\x00\x00\x00\x90\x1a\x88\x89\x93-\x10\xfb\x14\x10\x08M\xc0\xf2_i\x842\xa8k\xcc\xff"c\x0e"x\\"\xaf\x9c\x91>\x87\x9f|~PP\xb5\x02\x91q\\X\xd2\xbdQu\xcc\xd0A\x0b7zL)\x80\x94[\xe7+I\xf1m\x0f\xb4\x80\xc7;\x8fO7\x99\x90d_\xb2y\xc4'
self._route=None
self.caller=
self.callee=
self.messenger=None
self._route=None
self.caller=
self.callee=
self.messenger=None
"""
if self.is_encrypted: return
self.log(f'attempting to encrypt msg {self.msg} from {self.caller} to {self.callee}')
self.log(f'I now look like v1: {self}')
if not self.has_embedded_msg:
msg_to_encrypt = self.msg
elif recursive:
# first encrypt that message
self.msg.encrypt()
# then encrypt *that* msg's entire msg_d
msg_to_encrypt = self.msg.msg_d
# in both cases, overwrite msg
encr_msg = self.encrypt_to_send(
self.msg,
self.caller.privkey,
self.callee.pubkey
)
self.log('created an encrypted msg:',encr_msg)
self.msg_decr = self.msg
self.msg = encr_msg
self.msg_d['_msg'] = encr_msg
self.log(f'I now look like v2: {self}')
self.is_encrypted = False
## creating/encrypting/rolling up messages
def encrypt_to_send(self,msg_json,from_privkey,to_pubkey):
self.log('msg_json',msg_json)
self.log('from_privkey',from_privkey)
self.log('to_pubkey',to_pubkey)
if not msg_json or not from_privkey or not to_pubkey:
self.log('not enough info!',msg_json,from_privkey,to_pubkey)
whattttttt
return b''
self.log('packing for transmission: msg_json',type(msg_json),msg_json)
msg_b = package_for_transmission(msg_json)
self.log('packing for transmission: msg_b',type(msg_b),msg_b)
# try:
self.log('from privkey =',from_privkey)
self.log('to pubkey =',to_pubkey)
msg_encr = SMessage(
from_privkey,
to_pubkey,
).wrap(msg_b)
self.log('msg_encr',msg_encr)
# stop
return msg_encr
# except ThemisError as e:
# self.log('unable to encrypt to send!',e)
# return b''
def decrypt_from_send(self,msg_encr,from_pubkey,to_privkey):
if not msg_encr or not from_pubkey or not to_privkey:
self.log('not enough info!',msg_encr,from_pubkey,to_privkey)
return {}
try:
# decrypt
msg_b = SMessage(
to_privkey,
from_pubkey,
).unwrap(msg_encr)
# decode
self.log('msg_b??',msg_b)
msg_json = unpackage_from_transmission(msg_b)
self.log('msg_json??',msg_json)
# return
return msg_json
except ThemisError as e:
self.log('unable to decrypt from send!',e)
return {}
def package_msg_to(self,msg,another):
# otherwise send msg
msg_encr = self.encrypt_to_send(msg, self.privkey, another.pubkey)
msg_d = {
'_from_pub':self.pubkey,
'_from_name':self.name,
'_to_pub':another.pubkey,
'_to_name':another.name,
'_msg':msg_encr,
}
self.log(f'I am a {type(self)} packaging a message to {another}')
return msg_d
def unpackage_msg_from(self,msg_encr_b,another):
return self.decrypt_from_send(
msg_encr_b,
from_pubkey=another.pubkey,
to_privkey=self.privkey
)
## msg properties
@property
def has_embedded_msg(self):
return type(self.msg) == Message
@property
def messages(self):
# move through msgs recursively
msgs = [self] if not self.has_embedded_msg else [self] + self.embedded_msg.messages
return msgs
@property
def route(self):
for msg in self.messages:
if msg._route: return msg._route
def test_msg():
phone = TheTelephone()
op = TheOperator()
pprint(op.pubkey)
print('?keychains?')
pprint(phone.pubkey)
msg={'_please':'hello_world'}
resp_msp_obj = phone.ring_ring(msg)
print(resp_msp_obj)
if __name__ == '__main__':
test_msg()