def outputs(self, upstream_affordances=None, downstream_affordances=None):
upstream_affordances, downstream_affordances = \
self._normalized_affordances(upstream_affordances,
downstream_affordances)
outputs = _frozenusetset(self._outputs(upstream_affordances=
upstream_affordances,
downstream_affordances=
downstream_affordances))
if self.tokens_passthrough(upstream_affordances=
upstream_affordances,
downstream_affordances=
downstream_affordances):
outputs = upstream_affordances.outputs.union_product(outputs)
if self.opaque_passthrough(upstream_affordances=
upstream_affordances,
downstream_affordances=
downstream_affordances):
outputs = outputs.union_product((('__',),))
if outputs.isfinite:
return _frozenusetset(output for output in outputs
if downstream_affordances.inputs
.any_lte(output))
else:
return outputs
def inputs(self, upstream_affordances=None, downstream_affordances=None):
upstream_affordances, downstream_affordances = \
self._normalized_affordances(upstream_affordances,
downstream_affordances)
inputs = _frozenusetset(self._inputs(upstream_affordances=
upstream_affordances,
downstream_affordances=
downstream_affordances))
if inputs.isfinite:
return _frozenusetset(input_ for input_ in inputs
if upstream_affordances.outputs
.any_gte(input_))
else:
return upstream_affordances.outputs
from ... import digest as _digest
from .. import _std as _std_http
_DIGEST_USER_OPTIONAL_TOKENS = ('qop', 'digest_algorithm', 'client_nonce',
'opaque', 'server_nonce_use_count')
_DIGEST_USER_REQUIRED_TOKENS = ('user', 'realm', 'server_nonce', 'digest_uri',
'digest')
_DIGEST_USER_TOKENSETS = \
_frozenusetset(_chain(_DIGEST_USER_REQUIRED_TOKENS, optional_tokens)
for optional_tokens
in _chain((),
*(_combinations(_DIGEST_USER_OPTIONAL_TOKENS,
n + 1)
for n
in range(len(_DIGEST_USER_OPTIONAL_TOKENS)))))
class HttpDigestClerk(_std_http.HttpStandardClerk):
"""An authentication clerk for HTTP Digest authentication"""
__metaclass__ = _abc.ABCMeta
_DIGEST_USER_OPTIONAL_TOKENS = _DIGEST_USER_OPTIONAL_TOKENS
_DIGEST_USER_REQUIRED_TOKENS = _DIGEST_USER_REQUIRED_TOKENS
