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117 lines
4.0 KiB
Python
117 lines
4.0 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.operators import *
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# external imports
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from flask import Flask, request, jsonify
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from flask_classful import FlaskView
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### ACTUAL PHONE CONNECTIONS
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class TheTelephone(Logger):
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"""
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API client class for Caller to interact with The Operator.
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"""
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def __init__(self, caller):
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self.caller = caller
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@property
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def sess(self):
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"""
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Get connection to Tor
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"""
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if not hasattr(self,'_sess'):
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self._sess = get_tor_proxy_session()
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return self._sess
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def req(self,json_coming_from_phone={},json_coming_from_caller={}):
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# Two parts of every request:
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# 1) only overall encryption layer E2EE Telephone -> Operator:
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req_data = []
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if json_coming_from_phone:
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json_coming_from_phone_s = json.dumps(json_coming_from_phone)
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json_coming_from_phone_b = json_coming_from_phone_s.encode()
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#json_coming_from_phone_b_encr = SMessage(TELEPHONE_PRIVKEY,OPERATOR_PUBKEY).wrap(json_coming_from_phone_b)
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else:
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json_coming_from_phone_b=b''
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# 2) (optional) extra E2EE encrypted layer Caller -> Operator
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if json_coming_from_caller:
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json_coming_from_caller_s = json.dumps(json_coming_from_caller)
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json_coming_from_caller_b = json_coming_from_caller_s.encode()
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json_coming_from_caller_b_encr = SMessage(self.caller.privkey_,OPERATOR_PUBKEY).wrap(json_coming_from_caller_b)
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else:
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json_coming_from_caller_b_encr = b''
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# encrypt whole package E2EE, Telephone to Operator
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req_data = json_coming_from_phone_b + BSEP + json_coming_from_caller_b_encr
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req_data_encr = SMessage(TELEPHONE_PRIVKEY, OPERATOR_PUBKEY).wrap(req_data)
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req_data_encr_b64 = b64encode(req_data_encr)
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self.log('req_data_encr_b64 <--',req_data_encr_b64)
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# send!
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req_data_encr_b64_str = req_data_encr_b64.decode('utf-8')
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res = self.sess.post(OPERATOR_API_URL + req_data_encr_b64)
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self.log('result from operator?',res)
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return res
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def forge_new_keys(self, name, pubkey_is_public=False):
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req_json = {'name':name, 'pubkey_is_public':pubkey_is_public}
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req_json_s = jsonify(req_json)
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req_json_s_encr = SMessage()
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return self.sess.post(json=req_json)
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OPERATOR = None
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class TheSwitchboard(FlaskView, Logger):
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#default_methods = ['POST']
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#def get(self):
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# return "We're sorry; we are unable to complete your call as dialed. Please check the number and dial again, or call your operator to help you."
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def get(self,encr_b64_str):
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# first try to get from string to bytes
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self.log('incoming <--',encr_b64_str)
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try:
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encr_b64_b = encr_b64_str.decode('utf-8')
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self.log('encr_b64_b',encr_b64_b)
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encr_b = b64decode(encr_b64_b)
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self.log('encr_b',encr_b)
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except UnicodeDecodeError:
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return OPERATOR_INTERCEPT_MESSAGE
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if not encr_b64_str: return OPERATOR_INTERCEPT_MESSAGE
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data = request.data
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self.log('incoming_data! <--',data)
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# step 1: decode
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data = b64decode(data)
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self.log('decoded data:',data)
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# step 2: decrypt from phone
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data = SMessage(OPERATOR.privkey_, TELEPHONE_PUBKEY).unwrap(data)
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self.log('decrypted data:',data)
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# step 3: give to The Operator
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res = OPERATOR.route(data)
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# return response to caller
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return res
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def run_forever(port='8080'):
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global OPERATOR
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OPERATOR = TheOperator()
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app = Flask(__name__)
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TheSwitchboard.register(app, route_base='/op/', route_prefix=None)
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app.run(debug=True, port=port, host='0.0.0.0') |