def accept(self) -> bool:
self.update_state(CallState.EXCHANGING_KEYS)
if not self.call:
self.call_failed()
raise RuntimeError('call is not set')
self.get_dhc()
self.b = randint(2, self.dhc.p-1)
self.g_b = pow(self.dhc.g, self.b, self.dhc.p)
self.g_a_hash = self.call.g_a_hash
try:
self.call = self.client.send(functions.phone.AcceptCall(
peer=types.InputPhoneCall(id=self.call_id, access_hash=self.call_access_hash),
g_b=i2b(self.g_b),
protocol=self.get_protocol()
)).phone_call
except errors.Error as e:
if e.ID == 'CALL_ALREADY_ACCEPTED':
self.stop()
return True
elif e.ID == 'CALL_ALREADY_DECLINED':
self.call_discarded()
return False
raise e
if isinstance(self.call, types.PhoneCallDiscarded):
print('Call is already discarded')
self.call_discarded()
return False
return True
def accept(self) -> bool:
self.update_state(CallState.EXCHANGING_KEYS)
if not self.call:
self.call_failed()
raise RuntimeError('call is not set')
self.b = randint(2, self.dhc.p-1)
self.g_b = pow(self.dhc.g, self.b, self.dhc.p)
self.check_g(self.g_b, self.dhc.p)
self.g_a_hash = self.call.g_a_hash
try:
self.call = self.client.send(functions.phone.AcceptCall(
peer=types.InputPhoneCall(self.call_id, self.call.access_hash),
g_b=i2b(self.g_b),
protocol=self.get_protocol()
)).phone_call
except errors.CallAlreadyAccepted:
self.stop()
return True
except errors.CallAlreadyDeclined:
self.call_discarded()
return False
if isinstance(self.call, types.PhoneCallDiscarded):
print('Call is already discarded')
self.call_discarded()
return False
return True
def call_accepted(self) -> None:
self.update_state(CallState.EXCHANGING_KEYS)
self.g_b = b2i(self.call.g_b)
self.check_g(self.g_b, self.dhc.p)
self.auth_key = pow(self.g_b, self.a, self.dhc.p)
self.key_fingerprint = calc_fingerprint(self.auth_key_bytes)
self.call = self.client.send(
functions.phone.ConfirmCall(
key_fingerprint=self.key_fingerprint,
peer=types.InputPhoneCall(self.call.id, self.call.access_hash),
g_a=i2b(self.g_a),
protocol=self.get_protocol(),
)).phone_call
self._initiate_encrypted_call()
def discard_call(self, reason=None):
# TODO: rating
if not reason:
reason = types.PhoneCallDiscardReasonDisconnect()
try:
self.client.send(
functions.phone.DiscardCall(
peer=types.InputPhoneCall(
id=self.call_id, access_hash=self.call_access_hash),
duration=self.ctrl.call_duration,
connection_id=self.ctrl.get_preferred_relay_id(),
reason=reason))
except (errors.CallAlreadyDeclined, errors.CallAlreadyAccepted):
pass
self.call_ended()
def discard_call(self, reason=None):
# TODO: rating
if not reason:
reason = types.PhoneCallDiscardReasonDisconnect()
try:
self.client.send(
functions.phone.DiscardCall(
peer=types.InputPhoneCall(
id=self.call_id, access_hash=self.call_access_hash),
duration=self.ctrl.call_duration,
connection_id=self.ctrl.get_preferred_relay_id(),
reason=reason))
except errors.Error as e:
if e.ID not in ('CALL_ALREADY_DECLINED', 'CALL_ALREADY_ACCEPTED'):
raise e
self.call_ended()