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104 lines
3.0 KiB
Python
104 lines
3.0 KiB
Python
"""Client annotated ACME challenges.
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Please use names such as ``achall`` to distiguish from variables "of type"
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:class:`acme.challenges.Challenge` (denoted by ``chall``)
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and :class:`.ChallengeBody` (denoted by ``challb``)::
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from acme import challenges
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from acme import messages
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from letsencrypt import achallenges
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chall = challenges.DNS(token='foo')
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challb = messages.ChallengeBody(chall=chall)
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achall = achallenges.DNS(chall=challb, domain='example.com')
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Note, that all annotated challenges act as a proxy objects::
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achall.token == challb.token
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"""
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import logging
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from acme import challenges
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from acme import jose
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logger = logging.getLogger(__name__)
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# pylint: disable=too-few-public-methods
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class AnnotatedChallenge(jose.ImmutableMap):
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"""Client annotated challenge.
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Wraps around server provided challenge and annotates with data
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useful for the client.
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:ivar challb: Wrapped `~.ChallengeBody`.
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"""
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__slots__ = ('challb',)
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acme_type = NotImplemented
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def __getattr__(self, name):
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return getattr(self.challb, name)
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class KeyAuthorizationAnnotatedChallenge(AnnotatedChallenge):
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"""Client annotated `KeyAuthorizationChallenge` challenge."""
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__slots__ = ('challb', 'domain', 'account_key')
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def response_and_validation(self):
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"""Generate response and validation."""
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return self.challb.chall.response_and_validation(self.account_key)
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class DVSNI(AnnotatedChallenge):
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"""Client annotated "dvsni" ACME challenge.
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:ivar .JWK account_key: Authorized Account Key
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"""
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__slots__ = ('challb', 'domain', 'account_key')
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acme_type = challenges.DVSNI
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def gen_cert_and_response(self, key=None, bits=2048, alg=jose.RS256):
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"""Generate a DVSNI cert and response.
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:param OpenSSL.crypto.PKey key: Private key used for
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certificate generation. If none provided, a fresh key will
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be generated.
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:param int bits: Number of bits for fresh key generation.
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:param .JWAAlgorithm alg:
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:returns: ``(response, cert_pem, key_pem)`` tuple, where
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``response`` is an instance of
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`acme.challenges.DVSNIResponse`, ``cert`` is a certificate
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(`OpenSSL.crypto.X509`) and ``key`` is a private key
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(`OpenSSL.crypto.PKey`).
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:rtype: tuple
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"""
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response = self.challb.chall.gen_response(self.account_key, alg=alg)
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cert, key = response.gen_cert(key=key, bits=bits)
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return response, cert, key
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class DNS(AnnotatedChallenge):
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"""Client annotated "dns" ACME challenge."""
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__slots__ = ('challb', 'domain')
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acme_type = challenges.DNS
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class RecoveryContact(AnnotatedChallenge):
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"""Client annotated "recoveryContact" ACME challenge."""
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__slots__ = ('challb', 'domain')
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acme_type = challenges.RecoveryContact
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class ProofOfPossession(AnnotatedChallenge):
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"""Client annotated "proofOfPossession" ACME challenge."""
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__slots__ = ('challb', 'domain')
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acme_type = challenges.ProofOfPossession
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