def _add_nonce(self, response):
"""
Store a nonce from a response we received.
:param twisted.web.iweb.IResponse response: The HTTP response.
:return: The response, unmodified.
"""
nonce = response.headers.getRawHeaders(REPLAY_NONCE_HEADER, [None])[0]
with LOG_JWS_ADD_NONCE(raw_nonce=nonce) as action:
if nonce is None:
return _fail_and_consume(
response,
errors.ClientError(str(errors.MissingNonce(response))),
)
else:
try:
decoded_nonce = Header._fields['nonce'].decode(
nonce.decode('ascii'))
action.add_success_fields(nonce=decoded_nonce)
except DeserializationError as error:
return _fail_and_consume(response,
errors.BadNonce(nonce, error))
self._nonces.add(decoded_nonce)
return response
def _add_nonce(self, response):
if self.REPLAY_NONCE_HEADER in response.headers:
nonce = response.headers[self.REPLAY_NONCE_HEADER]
try:
decoded_nonce = jws.Header._fields['nonce'].decode(nonce)
except jose.DeserializationError as error:
raise errors.BadNonce(nonce, error)
logger.debug('Storing nonce: %s', nonce)
self._nonces.add(decoded_nonce)
else:
raise errors.MissingNonce(response)
def _add_nonce(self, response):
if self.REPLAY_NONCE_HEADER in response.headers:
nonce = response.headers[self.REPLAY_NONCE_HEADER]
error = jws.Header.validate_nonce(nonce)
if error is None:
logger.debug('Storing nonce: %r', nonce)
self._nonces.add(nonce)
else:
raise errors.BadNonce(nonce, error)
else:
raise errors.MissingNonce(response)
