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#
# Copyright 2019 aiohomekit team
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import uuid
from aiohomekit.controller.abstract import FinishPairing
from aiohomekit.exceptions import AlreadyPairedError
from aiohomekit.protocol import perform_pair_setup_part1, perform_pair_setup_part2
from aiohomekit.protocol.statuscodes import to_status_code
from aiohomekit.utils import check_pin_format, pair_with_auth
from aiohomekit.zeroconf import HomeKitService, ZeroconfDiscovery
from .connection import HomeKitConnection
from .pairing import IpPairing
class IpDiscovery(ZeroconfDiscovery):
"""
A discovered IP HAP device that is unpaired.
"""
def __init__(self, controller, description: HomeKitService):
super().__init__(description)
self.controller = controller
self.connection = HomeKitConnection(
None, description.addresses, description.port
)
def __repr__(self):
return f"IPDiscovery(host={self.description.address}, port={self.description.port})"
async def _ensure_connected(self):
await self.connection.ensure_connection()
async def close(self):
"""
Close the pairing's communications. This closes the session.
"""
await self.connection.close()
async def async_start_pairing(self, alias: str) -> FinishPairing:
await self._ensure_connected()
state_machine = perform_pair_setup_part1(
pair_with_auth(self.description.feature_flags)
)
request, expected = state_machine.send(None)
while True:
try:
response = await self.connection.post_tlv(
"/pair-setup",
body=request,
expected=expected,
)
request, expected = state_machine.send(response)
except StopIteration as result:
# If the state machine raises a StopIteration then we have XXX
salt, pub_key = result.value
break
async def finish_pairing(pin: str) -> IpPairing:
check_pin_format(pin)
state_machine = perform_pair_setup_part2(
pin, str(uuid.uuid4()), salt, pub_key
)
request, expected = state_machine.send(None)
while True:
try:
response = await self.connection.post_tlv(
"/pair-setup",
body=request,
expected=expected,
)
request, expected = state_machine.send(response)
except StopIteration as result:
# If the state machine raises a StopIteration then we have XXX
pairing = result.value
break
pairing["AccessoryIP"] = self.description.address
pairing["AccessoryIPs"] = self.description.addresses
pairing["AccessoryPort"] = self.description.port
pairing["Connection"] = "IP"
obj = self.controller.pairings[alias] = IpPairing(self.controller, pairing)
await self.connection.close()
return obj
return finish_pairing
async def async_identify(self) -> None:
await self._ensure_connected()
response = await self.connection.post_json("/identify", {})
if not response:
return True
code = to_status_code(response["code"])
raise AlreadyPairedError(
"Identify failed because: {reason} ({code}).".format(
reason=code.description,
code=code.value,
)
)
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