async def start_pairing(self) -> None:
"""Start the pairing process.
This method will show the expected PIN on screen.
"""
resp = await self.http.post("/pair-pin-start",
headers=_AIRPLAY_HEADERS)
if resp.code != 200:
raise AuthenticationError("pair start failed")
async def start_authentication(self):
"""Start the authentication process.
This method will show the expected PIN on screen.
"""
_, code = await self.http.post_data("pair-pin-start",
headers=_AIRPLAY_HEADERS)
if code != 200:
raise AuthenticationError("pair start failed")
async def _send(self, data, step):
headers = copy(_AIRPLAY_HEADERS)
headers["Content-Type"] = "application/octet-stream"
resp, code = await self.http.post_data("pair-verify",
data=data,
headers=headers)
if code != 200:
raise AuthenticationError("{0} failed with code {1}".format(
step, code))
return resp
async def _send_plist(self, step, **kwargs):
plist = dict((str(k), v) for k, v in kwargs.items())
headers = copy(_AIRPLAY_HEADERS)
headers["Content-Type"] = "application/x-apple-binary-plist"
# TODO: For some reason pylint does not find FMT_BINARY, why?
# pylint: disable=no-member
resp, code = await self.http.post_data("pair-setup-pin",
data=plistlib.dumps(
plist,
fmt=plistlib.FMT_BINARY))
if code != 200:
raise AuthenticationError("{0} failed with code {1}".format(
step, code))
return resp
def step2(self, pub_key, salt):
"""Second authentication step."""
pk_str = binascii.hexlify(pub_key).decode()
salt = binascii.hexlify(salt).decode()
client_session_key, _, _ = self.session.process(pk_str, salt)
_LOGGER.debug("Client session key: %s", client_session_key)
# Generate client public and session key proof.
client_public = self.session.public
client_session_key_proof = self.session.key_proof
_LOGGER.debug("Client public: %s, proof: %s", client_public,
client_session_key_proof)
if not self.session.verify_proof(self.session.key_proof_hash):
raise AuthenticationError("proofs do not match (mitm?)")
return client_public, client_session_key_proof