622 lines
18 KiB
Python
622 lines
18 KiB
Python
|
# This file is dual licensed under the terms of the Apache License, Version
|
||
|
|
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
|
||
|
|
# for complete details.
|
||
|
|
|
||
|
|
|
||
|
|
import abc
|
||
|
|
import datetime
|
||
|
|
import typing
|
||
|
|
|
||
|
|
from cryptography import utils, x509
|
||
|
|
from cryptography.hazmat.bindings._rust import ocsp
|
||
|
|
from cryptography.hazmat.primitives import hashes, serialization
|
||
|
|
from cryptography.hazmat.primitives.asymmetric.types import (
|
||
|
|
CERTIFICATE_PRIVATE_KEY_TYPES,
|
||
|
|
)
|
||
|
|
from cryptography.x509.base import (
|
||
|
|
_EARLIEST_UTC_TIME,
|
||
|
|
_convert_to_naive_utc_time,
|
||
|
|
_reject_duplicate_extension,
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class OCSPResponderEncoding(utils.Enum):
|
||
|
|
HASH = "By Hash"
|
||
|
|
NAME = "By Name"
|
||
|
|
|
||
|
|
|
||
|
|
class OCSPResponseStatus(utils.Enum):
|
||
|
|
SUCCESSFUL = 0
|
||
|
|
MALFORMED_REQUEST = 1
|
||
|
|
INTERNAL_ERROR = 2
|
||
|
|
TRY_LATER = 3
|
||
|
|
SIG_REQUIRED = 5
|
||
|
|
UNAUTHORIZED = 6
|
||
|
|
|
||
|
|
|
||
|
|
_ALLOWED_HASHES = (
|
||
|
|
hashes.SHA1,
|
||
|
|
hashes.SHA224,
|
||
|
|
hashes.SHA256,
|
||
|
|
hashes.SHA384,
|
||
|
|
hashes.SHA512,
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def _verify_algorithm(algorithm: hashes.HashAlgorithm) -> None:
|
||
|
|
if not isinstance(algorithm, _ALLOWED_HASHES):
|
||
|
|
raise ValueError(
|
||
|
|
"Algorithm must be SHA1, SHA224, SHA256, SHA384, or SHA512"
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class OCSPCertStatus(utils.Enum):
|
||
|
|
GOOD = 0
|
||
|
|
REVOKED = 1
|
||
|
|
UNKNOWN = 2
|
||
|
|
|
||
|
|
|
||
|
|
class _SingleResponse:
|
||
|
|
def __init__(
|
||
|
|
self,
|
||
|
|
cert: x509.Certificate,
|
||
|
|
issuer: x509.Certificate,
|
||
|
|
algorithm: hashes.HashAlgorithm,
|
||
|
|
cert_status: OCSPCertStatus,
|
||
|
|
this_update: datetime.datetime,
|
||
|
|
next_update: typing.Optional[datetime.datetime],
|
||
|
|
revocation_time: typing.Optional[datetime.datetime],
|
||
|
|
revocation_reason: typing.Optional[x509.ReasonFlags],
|
||
|
|
):
|
||
|
|
if not isinstance(cert, x509.Certificate) or not isinstance(
|
||
|
|
issuer, x509.Certificate
|
||
|
|
):
|
||
|
|
raise TypeError("cert and issuer must be a Certificate")
|
||
|
|
|
||
|
|
_verify_algorithm(algorithm)
|
||
|
|
if not isinstance(this_update, datetime.datetime):
|
||
|
|
raise TypeError("this_update must be a datetime object")
|
||
|
|
if next_update is not None and not isinstance(
|
||
|
|
next_update, datetime.datetime
|
||
|
|
):
|
||
|
|
raise TypeError("next_update must be a datetime object or None")
|
||
|
|
|
||
|
|
self._cert = cert
|
||
|
|
self._issuer = issuer
|
||
|
|
self._algorithm = algorithm
|
||
|
|
self._this_update = this_update
|
||
|
|
self._next_update = next_update
|
||
|
|
|
||
|
|
if not isinstance(cert_status, OCSPCertStatus):
|
||
|
|
raise TypeError(
|
||
|
|
"cert_status must be an item from the OCSPCertStatus enum"
|
||
|
|
)
|
||
|
|
if cert_status is not OCSPCertStatus.REVOKED:
|
||
|
|
if revocation_time is not None:
|
||
|
|
raise ValueError(
|
||
|
|
"revocation_time can only be provided if the certificate "
|
||
|
|
"is revoked"
|
||
|
|
)
|
||
|
|
if revocation_reason is not None:
|
||
|
|
raise ValueError(
|
||
|
|
"revocation_reason can only be provided if the certificate"
|
||
|
|
" is revoked"
|
||
|
|
)
|
||
|
|
else:
|
||
|
|
if not isinstance(revocation_time, datetime.datetime):
|
||
|
|
raise TypeError("revocation_time must be a datetime object")
|
||
|
|
|
||
|
|
revocation_time = _convert_to_naive_utc_time(revocation_time)
|
||
|
|
if revocation_time < _EARLIEST_UTC_TIME:
|
||
|
|
raise ValueError(
|
||
|
|
"The revocation_time must be on or after"
|
||
|
|
" 1950 January 1."
|
||
|
|
)
|
||
|
|
|
||
|
|
if revocation_reason is not None and not isinstance(
|
||
|
|
revocation_reason, x509.ReasonFlags
|
||
|
|
):
|
||
|
|
raise TypeError(
|
||
|
|
"revocation_reason must be an item from the ReasonFlags "
|
||
|
|
"enum or None"
|
||
|
|
)
|
||
|
|
|
||
|
|
self._cert_status = cert_status
|
||
|
|
self._revocation_time = revocation_time
|
||
|
|
self._revocation_reason = revocation_reason
|
||
|
|
|
||
|
|
|
||
|
|
class OCSPRequest(metaclass=abc.ABCMeta):
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def issuer_key_hash(self) -> bytes:
|
||
|
|
"""
|
||
|
|
The hash of the issuer public key
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def issuer_name_hash(self) -> bytes:
|
||
|
|
"""
|
||
|
|
The hash of the issuer name
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def hash_algorithm(self) -> hashes.HashAlgorithm:
|
||
|
|
"""
|
||
|
|
The hash algorithm used in the issuer name and key hashes
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def serial_number(self) -> int:
|
||
|
|
"""
|
||
|
|
The serial number of the cert whose status is being checked
|
||
|
|
"""
|
||
|
|
|
||
|
|
@abc.abstractmethod
|
||
|
|
def public_bytes(self, encoding: serialization.Encoding) -> bytes:
|
||
|
|
"""
|
||
|
|
Serializes the request to DER
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def extensions(self) -> x509.Extensions:
|
||
|
|
"""
|
||
|
|
The list of request extensions. Not single request extensions.
|
||
|
|
"""
|
||
|
|
|
||
|
|
|
||
|
|
class OCSPSingleResponse(metaclass=abc.ABCMeta):
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def certificate_status(self) -> OCSPCertStatus:
|
||
|
|
"""
|
||
|
|
The status of the certificate (an element from the OCSPCertStatus enum)
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def revocation_time(self) -> typing.Optional[datetime.datetime]:
|
||
|
|
"""
|
||
|
|
The date of when the certificate was revoked or None if not
|
||
|
|
revoked.
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def revocation_reason(self) -> typing.Optional[x509.ReasonFlags]:
|
||
|
|
"""
|
||
|
|
The reason the certificate was revoked or None if not specified or
|
||
|
|
not revoked.
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def this_update(self) -> datetime.datetime:
|
||
|
|
"""
|
||
|
|
The most recent time at which the status being indicated is known by
|
||
|
|
the responder to have been correct
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def next_update(self) -> typing.Optional[datetime.datetime]:
|
||
|
|
"""
|
||
|
|
The time when newer information will be available
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def issuer_key_hash(self) -> bytes:
|
||
|
|
"""
|
||
|
|
The hash of the issuer public key
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def issuer_name_hash(self) -> bytes:
|
||
|
|
"""
|
||
|
|
The hash of the issuer name
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def hash_algorithm(self) -> hashes.HashAlgorithm:
|
||
|
|
"""
|
||
|
|
The hash algorithm used in the issuer name and key hashes
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def serial_number(self) -> int:
|
||
|
|
"""
|
||
|
|
The serial number of the cert whose status is being checked
|
||
|
|
"""
|
||
|
|
|
||
|
|
|
||
|
|
class OCSPResponse(metaclass=abc.ABCMeta):
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def responses(self) -> typing.Iterator[OCSPSingleResponse]:
|
||
|
|
"""
|
||
|
|
An iterator over the individual SINGLERESP structures in the
|
||
|
|
response
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def response_status(self) -> OCSPResponseStatus:
|
||
|
|
"""
|
||
|
|
The status of the response. This is a value from the OCSPResponseStatus
|
||
|
|
enumeration
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def signature_algorithm_oid(self) -> x509.ObjectIdentifier:
|
||
|
|
"""
|
||
|
|
The ObjectIdentifier of the signature algorithm
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def signature_hash_algorithm(
|
||
|
|
self,
|
||
|
|
) -> typing.Optional[hashes.HashAlgorithm]:
|
||
|
|
"""
|
||
|
|
Returns a HashAlgorithm corresponding to the type of the digest signed
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def signature(self) -> bytes:
|
||
|
|
"""
|
||
|
|
The signature bytes
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def tbs_response_bytes(self) -> bytes:
|
||
|
|
"""
|
||
|
|
The tbsResponseData bytes
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def certificates(self) -> typing.List[x509.Certificate]:
|
||
|
|
"""
|
||
|
|
A list of certificates used to help build a chain to verify the OCSP
|
||
|
|
response. This situation occurs when the OCSP responder uses a delegate
|
||
|
|
certificate.
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def responder_key_hash(self) -> typing.Optional[bytes]:
|
||
|
|
"""
|
||
|
|
The responder's key hash or None
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def responder_name(self) -> typing.Optional[x509.Name]:
|
||
|
|
"""
|
||
|
|
The responder's Name or None
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def produced_at(self) -> datetime.datetime:
|
||
|
|
"""
|
||
|
|
The time the response was produced
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def certificate_status(self) -> OCSPCertStatus:
|
||
|
|
"""
|
||
|
|
The status of the certificate (an element from the OCSPCertStatus enum)
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def revocation_time(self) -> typing.Optional[datetime.datetime]:
|
||
|
|
"""
|
||
|
|
The date of when the certificate was revoked or None if not
|
||
|
|
revoked.
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def revocation_reason(self) -> typing.Optional[x509.ReasonFlags]:
|
||
|
|
"""
|
||
|
|
The reason the certificate was revoked or None if not specified or
|
||
|
|
not revoked.
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def this_update(self) -> datetime.datetime:
|
||
|
|
"""
|
||
|
|
The most recent time at which the status being indicated is known by
|
||
|
|
the responder to have been correct
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def next_update(self) -> typing.Optional[datetime.datetime]:
|
||
|
|
"""
|
||
|
|
The time when newer information will be available
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def issuer_key_hash(self) -> bytes:
|
||
|
|
"""
|
||
|
|
The hash of the issuer public key
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def issuer_name_hash(self) -> bytes:
|
||
|
|
"""
|
||
|
|
The hash of the issuer name
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def hash_algorithm(self) -> hashes.HashAlgorithm:
|
||
|
|
"""
|
||
|
|
The hash algorithm used in the issuer name and key hashes
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def serial_number(self) -> int:
|
||
|
|
"""
|
||
|
|
The serial number of the cert whose status is being checked
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def extensions(self) -> x509.Extensions:
|
||
|
|
"""
|
||
|
|
The list of response extensions. Not single response extensions.
|
||
|
|
"""
|
||
|
|
|
||
|
|
@property
|
||
|
|
@abc.abstractmethod
|
||
|
|
def single_extensions(self) -> x509.Extensions:
|
||
|
|
"""
|
||
|
|
The list of single response extensions. Not response extensions.
|
||
|
|
"""
|
||
|
|
|
||
|
|
@abc.abstractmethod
|
||
|
|
def public_bytes(self, encoding: serialization.Encoding) -> bytes:
|
||
|
|
"""
|
||
|
|
Serializes the response to DER
|
||
|
|
"""
|
||
|
|
|
||
|
|
|
||
|
|
class OCSPRequestBuilder:
|
||
|
|
def __init__(
|
||
|
|
self,
|
||
|
|
request: typing.Optional[
|
||
|
|
typing.Tuple[
|
||
|
|
x509.Certificate, x509.Certificate, hashes.HashAlgorithm
|
||
|
|
]
|
||
|
|
] = None,
|
||
|
|
request_hash: typing.Optional[
|
||
|
|
typing.Tuple[bytes, bytes, int, hashes.HashAlgorithm]
|
||
|
|
] = None,
|
||
|
|
extensions: typing.List[x509.Extension[x509.ExtensionType]] = [],
|
||
|
|
) -> None:
|
||
|
|
self._request = request
|
||
|
|
self._request_hash = request_hash
|
||
|
|
self._extensions = extensions
|
||
|
|
|
||
|
|
def add_certificate(
|
||
|
|
self,
|
||
|
|
cert: x509.Certificate,
|
||
|
|
issuer: x509.Certificate,
|
||
|
|
algorithm: hashes.HashAlgorithm,
|
||
|
|
) -> "OCSPRequestBuilder":
|
||
|
|
if self._request is not None or self._request_hash is not None:
|
||
|
|
raise ValueError("Only one certificate can be added to a request")
|
||
|
|
|
||
|
|
_verify_algorithm(algorithm)
|
||
|
|
if not isinstance(cert, x509.Certificate) or not isinstance(
|
||
|
|
issuer, x509.Certificate
|
||
|
|
):
|
||
|
|
raise TypeError("cert and issuer must be a Certificate")
|
||
|
|
|
||
|
|
return OCSPRequestBuilder(
|
||
|
|
(cert, issuer, algorithm), self._request_hash, self._extensions
|
||
|
|
)
|
||
|
|
|
||
|
|
def add_certificate_by_hash(
|
||
|
|
self,
|
||
|
|
issuer_name_hash: bytes,
|
||
|
|
issuer_key_hash: bytes,
|
||
|
|
serial_number: int,
|
||
|
|
algorithm: hashes.HashAlgorithm,
|
||
|
|
) -> "OCSPRequestBuilder":
|
||
|
|
if self._request is not None or self._request_hash is not None:
|
||
|
|
raise ValueError("Only one certificate can be added to a request")
|
||
|
|
|
||
|
|
if not isinstance(serial_number, int):
|
||
|
|
raise TypeError("serial_number must be an integer")
|
||
|
|
|
||
|
|
_verify_algorithm(algorithm)
|
||
|
|
utils._check_bytes("issuer_name_hash", issuer_name_hash)
|
||
|
|
utils._check_bytes("issuer_key_hash", issuer_key_hash)
|
||
|
|
if algorithm.digest_size != len(
|
||
|
|
issuer_name_hash
|
||
|
|
) or algorithm.digest_size != len(issuer_key_hash):
|
||
|
|
raise ValueError(
|
||
|
|
"issuer_name_hash and issuer_key_hash must be the same length "
|
||
|
|
"as the digest size of the algorithm"
|
||
|
|
)
|
||
|
|
|
||
|
|
return OCSPRequestBuilder(
|
||
|
|
self._request,
|
||
|
|
(issuer_name_hash, issuer_key_hash, serial_number, algorithm),
|
||
|
|
self._extensions,
|
||
|
|
)
|
||
|
|
|
||
|
|
def add_extension(
|
||
|
|
self, extval: x509.ExtensionType, critical: bool
|
||
|
|
) -> "OCSPRequestBuilder":
|
||
|
|
if not isinstance(extval, x509.ExtensionType):
|
||
|
|
raise TypeError("extension must be an ExtensionType")
|
||
|
|
|
||
|
|
extension = x509.Extension(extval.oid, critical, extval)
|
||
|
|
_reject_duplicate_extension(extension, self._extensions)
|
||
|
|
|
||
|
|
return OCSPRequestBuilder(
|
||
|
|
self._request, self._request_hash, self._extensions + [extension]
|
||
|
|
)
|
||
|
|
|
||
|
|
def build(self) -> OCSPRequest:
|
||
|
|
if self._request is None and self._request_hash is None:
|
||
|
|
raise ValueError("You must add a certificate before building")
|
||
|
|
|
||
|
|
return ocsp.create_ocsp_request(self)
|
||
|
|
|
||
|
|
|
||
|
|
class OCSPResponseBuilder:
|
||
|
|
def __init__(
|
||
|
|
self,
|
||
|
|
response: typing.Optional[_SingleResponse] = None,
|
||
|
|
responder_id: typing.Optional[
|
||
|
|
typing.Tuple[x509.Certificate, OCSPResponderEncoding]
|
||
|
|
] = None,
|
||
|
|
certs: typing.Optional[typing.List[x509.Certificate]] = None,
|
||
|
|
extensions: typing.List[x509.Extension[x509.ExtensionType]] = [],
|
||
|
|
):
|
||
|
|
self._response = response
|
||
|
|
self._responder_id = responder_id
|
||
|
|
self._certs = certs
|
||
|
|
self._extensions = extensions
|
||
|
|
|
||
|
|
def add_response(
|
||
|
|
self,
|
||
|
|
cert: x509.Certificate,
|
||
|
|
issuer: x509.Certificate,
|
||
|
|
algorithm: hashes.HashAlgorithm,
|
||
|
|
cert_status: OCSPCertStatus,
|
||
|
|
this_update: datetime.datetime,
|
||
|
|
next_update: typing.Optional[datetime.datetime],
|
||
|
|
revocation_time: typing.Optional[datetime.datetime],
|
||
|
|
revocation_reason: typing.Optional[x509.ReasonFlags],
|
||
|
|
) -> "OCSPResponseBuilder":
|
||
|
|
if self._response is not None:
|
||
|
|
raise ValueError("Only one response per OCSPResponse.")
|
||
|
|
|
||
|
|
singleresp = _SingleResponse(
|
||
|
|
cert,
|
||
|
|
issuer,
|
||
|
|
algorithm,
|
||
|
|
cert_status,
|
||
|
|
this_update,
|
||
|
|
next_update,
|
||
|
|
revocation_time,
|
||
|
|
revocation_reason,
|
||
|
|
)
|
||
|
|
return OCSPResponseBuilder(
|
||
|
|
singleresp,
|
||
|
|
self._responder_id,
|
||
|
|
self._certs,
|
||
|
|
self._extensions,
|
||
|
|
)
|
||
|
|
|
||
|
|
def responder_id(
|
||
|
|
self, encoding: OCSPResponderEncoding, responder_cert: x509.Certificate
|
||
|
|
) -> "OCSPResponseBuilder":
|
||
|
|
if self._responder_id is not None:
|
||
|
|
raise ValueError("responder_id can only be set once")
|
||
|
|
if not isinstance(responder_cert, x509.Certificate):
|
||
|
|
raise TypeError("responder_cert must be a Certificate")
|
||
|
|
if not isinstance(encoding, OCSPResponderEncoding):
|
||
|
|
raise TypeError(
|
||
|
|
"encoding must be an element from OCSPResponderEncoding"
|
||
|
|
)
|
||
|
|
|
||
|
|
return OCSPResponseBuilder(
|
||
|
|
self._response,
|
||
|
|
(responder_cert, encoding),
|
||
|
|
self._certs,
|
||
|
|
self._extensions,
|
||
|
|
)
|
||
|
|
|
||
|
|
def certificates(
|
||
|
|
self, certs: typing.Iterable[x509.Certificate]
|
||
|
|
) -> "OCSPResponseBuilder":
|
||
|
|
if self._certs is not None:
|
||
|
|
raise ValueError("certificates may only be set once")
|
||
|
|
certs = list(certs)
|
||
|
|
if len(certs) == 0:
|
||
|
|
raise ValueError("certs must not be an empty list")
|
||
|
|
if not all(isinstance(x, x509.Certificate) for x in certs):
|
||
|
|
raise TypeError("certs must be a list of Certificates")
|
||
|
|
return OCSPResponseBuilder(
|
||
|
|
self._response,
|
||
|
|
self._responder_id,
|
||
|
|
certs,
|
||
|
|
self._extensions,
|
||
|
|
)
|
||
|
|
|
||
|
|
def add_extension(
|
||
|
|
self, extval: x509.ExtensionType, critical: bool
|
||
|
|
) -> "OCSPResponseBuilder":
|
||
|
|
if not isinstance(extval, x509.ExtensionType):
|
||
|
|
raise TypeError("extension must be an ExtensionType")
|
||
|
|
|
||
|
|
extension = x509.Extension(extval.oid, critical, extval)
|
||
|
|
_reject_duplicate_extension(extension, self._extensions)
|
||
|
|
|
||
|
|
return OCSPResponseBuilder(
|
||
|
|
self._response,
|
||
|
|
self._responder_id,
|
||
|
|
self._certs,
|
||
|
|
self._extensions + [extension],
|
||
|
|
)
|
||
|
|
|
||
|
|
def sign(
|
||
|
|
self,
|
||
|
|
private_key: CERTIFICATE_PRIVATE_KEY_TYPES,
|
||
|
|
algorithm: typing.Optional[hashes.HashAlgorithm],
|
||
|
|
) -> OCSPResponse:
|
||
|
|
if self._response is None:
|
||
|
|
raise ValueError("You must add a response before signing")
|
||
|
|
if self._responder_id is None:
|
||
|
|
raise ValueError("You must add a responder_id before signing")
|
||
|
|
|
||
|
|
return ocsp.create_ocsp_response(
|
||
|
|
OCSPResponseStatus.SUCCESSFUL, self, private_key, algorithm
|
||
|
|
)
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def build_unsuccessful(
|
||
|
|
cls, response_status: OCSPResponseStatus
|
||
|
|
) -> OCSPResponse:
|
||
|
|
if not isinstance(response_status, OCSPResponseStatus):
|
||
|
|
raise TypeError(
|
||
|
|
"response_status must be an item from OCSPResponseStatus"
|
||
|
|
)
|
||
|
|
if response_status is OCSPResponseStatus.SUCCESSFUL:
|
||
|
|
raise ValueError("response_status cannot be SUCCESSFUL")
|
||
|
|
|
||
|
|
return ocsp.create_ocsp_response(response_status, None, None, None)
|
||
|
|
|
||
|
|
|
||
|
|
def load_der_ocsp_request(data: bytes) -> OCSPRequest:
|
||
|
|
return ocsp.load_der_ocsp_request(data)
|
||
|
|
|
||
|
|
|
||
|
|
def load_der_ocsp_response(data: bytes) -> OCSPResponse:
|
||
|
|
return ocsp.load_der_ocsp_response(data)
|