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# 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.
from __future__ import annotations
import abc
import datetime
import hashlib
import ipaddress
import typing
from cryptography import utils
from cryptography.hazmat.bindings._rust import asn1
from cryptography.hazmat.bindings._rust import x509 as rust_x509
from cryptography.hazmat.primitives import constant_time, serialization
from cryptography.hazmat.primitives.asymmetric.ec import EllipticCurvePublicKey
from cryptography.hazmat.primitives.asymmetric.rsa import RSAPublicKey
from cryptography.hazmat.primitives.asymmetric.types import (
CertificateIssuerPublicKeyTypes,
CertificatePublicKeyTypes,
)
from cryptography.x509.certificate_transparency import (
SignedCertificateTimestamp,
)
from cryptography.x509.general_name import (
DirectoryName,
DNSName,
GeneralName,
IPAddress,
OtherName,
RegisteredID,
RFC822Name,
UniformResourceIdentifier,
_IPAddressTypes,
)
from cryptography.x509.name import Name, RelativeDistinguishedName
from cryptography.x509.oid import (
CRLEntryExtensionOID,
ExtensionOID,
ObjectIdentifier,
OCSPExtensionOID,
)
ExtensionTypeVar = typing.TypeVar(
"ExtensionTypeVar", bound="ExtensionType", covariant=True
)
def _key_identifier_from_public_key(
public_key: CertificatePublicKeyTypes,
) -> bytes:
if isinstance(public_key, RSAPublicKey):
data = public_key.public_bytes(
serialization.Encoding.DER,
serialization.PublicFormat.PKCS1,
)
elif isinstance(public_key, EllipticCurvePublicKey):
data = public_key.public_bytes(
serialization.Encoding.X962,
serialization.PublicFormat.UncompressedPoint,
)
else:
# This is a very slow way to do this.
serialized = public_key.public_bytes(
serialization.Encoding.DER,
serialization.PublicFormat.SubjectPublicKeyInfo,
)
data = asn1.parse_spki_for_data(serialized)
return hashlib.sha1(data).digest()
def _make_sequence_methods(field_name: str):
def len_method(self) -> int:
return len(getattr(self, field_name))
def iter_method(self):
return iter(getattr(self, field_name))
def getitem_method(self, idx):
return getattr(self, field_name)[idx]
return len_method, iter_method, getitem_method
class DuplicateExtension(Exception):
def __init__(self, msg: str, oid: ObjectIdentifier) -> None:
super().__init__(msg)
self.oid = oid
class ExtensionNotFound(Exception):
def __init__(self, msg: str, oid: ObjectIdentifier) -> None:
super().__init__(msg)
self.oid = oid
class ExtensionType(metaclass=abc.ABCMeta):
oid: typing.ClassVar[ObjectIdentifier]
def public_bytes(self) -> bytes:
"""
Serializes the extension type to DER.
"""
raise NotImplementedError(
"public_bytes is not implemented for extension type {!r}".format(
self
)
)
class Extensions:
def __init__(
self, extensions: typing.Iterable[Extension[ExtensionType]]
) -> None:
self._extensions = list(extensions)
def get_extension_for_oid(
self, oid: ObjectIdentifier
) -> Extension[ExtensionType]:
for ext in self:
if ext.oid == oid:
return ext
raise ExtensionNotFound(f"No {oid} extension was found", oid)
def get_extension_for_class(
self, extclass: typing.Type[ExtensionTypeVar]
) -> Extension[ExtensionTypeVar]:
if extclass is UnrecognizedExtension:
raise TypeError(
"UnrecognizedExtension can't be used with "
"get_extension_for_class because more than one instance of the"
" class may be present."
)
for ext in self:
if isinstance(ext.value, extclass):
return ext
raise ExtensionNotFound(
f"No {extclass} extension was found", extclass.oid
)
__len__, __iter__, __getitem__ = _make_sequence_methods("_extensions")
def __repr__(self) -> str:
return f"<Extensions({self._extensions})>"
class CRLNumber(ExtensionType):
oid = ExtensionOID.CRL_NUMBER
def __init__(self, crl_number: int) -> None:
if not isinstance(crl_number, int):
raise TypeError("crl_number must be an integer")
self._crl_number = crl_number
def __eq__(self, other: object) -> bool:
if not isinstance(other, CRLNumber):
return NotImplemented
return self.crl_number == other.crl_number
def __hash__(self) -> int:
return hash(self.crl_number)
def __repr__(self) -> str:
return f"<CRLNumber({self.crl_number})>"
@property
def crl_number(self) -> int:
return self._crl_number
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class AuthorityKeyIdentifier(ExtensionType):
oid = ExtensionOID.AUTHORITY_KEY_IDENTIFIER
def __init__(
self,
key_identifier: typing.Optional[bytes],
authority_cert_issuer: typing.Optional[typing.Iterable[GeneralName]],
authority_cert_serial_number: typing.Optional[int],
) -> None:
if (authority_cert_issuer is None) != (
authority_cert_serial_number is None
):
raise ValueError(
"authority_cert_issuer and authority_cert_serial_number "
"must both be present or both None"
)
if authority_cert_issuer is not None:
authority_cert_issuer = list(authority_cert_issuer)
if not all(
isinstance(x, GeneralName) for x in authority_cert_issuer
):
raise TypeError(
"authority_cert_issuer must be a list of GeneralName "
"objects"
)
if authority_cert_serial_number is not None and not isinstance(
authority_cert_serial_number, int
):
raise TypeError("authority_cert_serial_number must be an integer")
self._key_identifier = key_identifier
self._authority_cert_issuer = authority_cert_issuer
self._authority_cert_serial_number = authority_cert_serial_number
# This takes a subset of CertificatePublicKeyTypes because an issuer
# cannot have an X25519/X448 key. This introduces some unfortunate
# asymmetry that requires typing users to explicitly
# narrow their type, but we should make this accurate and not just
# convenient.
@classmethod
def from_issuer_public_key(
cls, public_key: CertificateIssuerPublicKeyTypes
) -> AuthorityKeyIdentifier:
digest = _key_identifier_from_public_key(public_key)
return cls(
key_identifier=digest,
authority_cert_issuer=None,
authority_cert_serial_number=None,
)
@classmethod
def from_issuer_subject_key_identifier(
cls, ski: SubjectKeyIdentifier
) -> AuthorityKeyIdentifier:
return cls(
key_identifier=ski.digest,
authority_cert_issuer=None,
authority_cert_serial_number=None,
)
def __repr__(self) -> str:
return (
"<AuthorityKeyIdentifier(key_identifier={0.key_identifier!r}, "
"authority_cert_issuer={0.authority_cert_issuer}, "
"authority_cert_serial_number={0.authority_cert_serial_number}"
")>".format(self)
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, AuthorityKeyIdentifier):
return NotImplemented
return (
self.key_identifier == other.key_identifier
and self.authority_cert_issuer == other.authority_cert_issuer
and self.authority_cert_serial_number
== other.authority_cert_serial_number
)
def __hash__(self) -> int:
if self.authority_cert_issuer is None:
aci = None
else:
aci = tuple(self.authority_cert_issuer)
return hash(
(self.key_identifier, aci, self.authority_cert_serial_number)
)
@property
def key_identifier(self) -> typing.Optional[bytes]:
return self._key_identifier
@property
def authority_cert_issuer(
self,
) -> typing.Optional[typing.List[GeneralName]]:
return self._authority_cert_issuer
@property
def authority_cert_serial_number(self) -> typing.Optional[int]:
return self._authority_cert_serial_number
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class SubjectKeyIdentifier(ExtensionType):
oid = ExtensionOID.SUBJECT_KEY_IDENTIFIER
def __init__(self, digest: bytes) -> None:
self._digest = digest
@classmethod
def from_public_key(
cls, public_key: CertificatePublicKeyTypes
) -> SubjectKeyIdentifier:
return cls(_key_identifier_from_public_key(public_key))
@property
def digest(self) -> bytes:
return self._digest
@property
def key_identifier(self) -> bytes:
return self._digest
def __repr__(self) -> str:
return f"<SubjectKeyIdentifier(digest={self.digest!r})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, SubjectKeyIdentifier):
return NotImplemented
return constant_time.bytes_eq(self.digest, other.digest)
def __hash__(self) -> int:
return hash(self.digest)
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class AuthorityInformationAccess(ExtensionType):
oid = ExtensionOID.AUTHORITY_INFORMATION_ACCESS
def __init__(
self, descriptions: typing.Iterable[AccessDescription]
) -> None:
descriptions = list(descriptions)
if not all(isinstance(x, AccessDescription) for x in descriptions):
raise TypeError(
"Every item in the descriptions list must be an "
"AccessDescription"
)
self._descriptions = descriptions
__len__, __iter__, __getitem__ = _make_sequence_methods("_descriptions")
def __repr__(self) -> str:
return f"<AuthorityInformationAccess({self._descriptions})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, AuthorityInformationAccess):
return NotImplemented
return self._descriptions == other._descriptions
def __hash__(self) -> int:
return hash(tuple(self._descriptions))
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class SubjectInformationAccess(ExtensionType):
oid = ExtensionOID.SUBJECT_INFORMATION_ACCESS
def __init__(
self, descriptions: typing.Iterable[AccessDescription]
) -> None:
descriptions = list(descriptions)
if not all(isinstance(x, AccessDescription) for x in descriptions):
raise TypeError(
"Every item in the descriptions list must be an "
"AccessDescription"
)
self._descriptions = descriptions
__len__, __iter__, __getitem__ = _make_sequence_methods("_descriptions")
def __repr__(self) -> str:
return f"<SubjectInformationAccess({self._descriptions})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, SubjectInformationAccess):
return NotImplemented
return self._descriptions == other._descriptions
def __hash__(self) -> int:
return hash(tuple(self._descriptions))
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class AccessDescription:
def __init__(
self, access_method: ObjectIdentifier, access_location: GeneralName
) -> None:
if not isinstance(access_method, ObjectIdentifier):
raise TypeError("access_method must be an ObjectIdentifier")
if not isinstance(access_location, GeneralName):
raise TypeError("access_location must be a GeneralName")
self._access_method = access_method
self._access_location = access_location
def __repr__(self) -> str:
return (
"<AccessDescription(access_method={0.access_method}, access_locati"
"on={0.access_location})>".format(self)
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, AccessDescription):
return NotImplemented
return (
self.access_method == other.access_method
and self.access_location == other.access_location
)
def __hash__(self) -> int:
return hash((self.access_method, self.access_location))
@property
def access_method(self) -> ObjectIdentifier:
return self._access_method
@property
def access_location(self) -> GeneralName:
return self._access_location
class BasicConstraints(ExtensionType):
oid = ExtensionOID.BASIC_CONSTRAINTS
def __init__(self, ca: bool, path_length: typing.Optional[int]) -> None:
if not isinstance(ca, bool):
raise TypeError("ca must be a boolean value")
if path_length is not None and not ca:
raise ValueError("path_length must be None when ca is False")
if path_length is not None and (
not isinstance(path_length, int) or path_length < 0
):
raise TypeError(
"path_length must be a non-negative integer or None"
)
self._ca = ca
self._path_length = path_length
@property
def ca(self) -> bool:
return self._ca
@property
def path_length(self) -> typing.Optional[int]:
return self._path_length
def __repr__(self) -> str:
return (
"<BasicConstraints(ca={0.ca}, " "path_length={0.path_length})>"
).format(self)
def __eq__(self, other: object) -> bool:
if not isinstance(other, BasicConstraints):
return NotImplemented
return self.ca == other.ca and self.path_length == other.path_length
def __hash__(self) -> int:
return hash((self.ca, self.path_length))
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class DeltaCRLIndicator(ExtensionType):
oid = ExtensionOID.DELTA_CRL_INDICATOR
def __init__(self, crl_number: int) -> None:
if not isinstance(crl_number, int):
raise TypeError("crl_number must be an integer")
self._crl_number = crl_number
@property
def crl_number(self) -> int:
return self._crl_number
def __eq__(self, other: object) -> bool:
if not isinstance(other, DeltaCRLIndicator):
return NotImplemented
return self.crl_number == other.crl_number
def __hash__(self) -> int:
return hash(self.crl_number)
def __repr__(self) -> str:
return f"<DeltaCRLIndicator(crl_number={self.crl_number})>"
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class CRLDistributionPoints(ExtensionType):
oid = ExtensionOID.CRL_DISTRIBUTION_POINTS
def __init__(
self, distribution_points: typing.Iterable[DistributionPoint]
) -> None:
distribution_points = list(distribution_points)
if not all(
isinstance(x, DistributionPoint) for x in distribution_points
):
raise TypeError(
"distribution_points must be a list of DistributionPoint "
"objects"
)
self._distribution_points = distribution_points
__len__, __iter__, __getitem__ = _make_sequence_methods(
"_distribution_points"
)
def __repr__(self) -> str:
return f"<CRLDistributionPoints({self._distribution_points})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, CRLDistributionPoints):
return NotImplemented
return self._distribution_points == other._distribution_points
def __hash__(self) -> int:
return hash(tuple(self._distribution_points))
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class FreshestCRL(ExtensionType):
oid = ExtensionOID.FRESHEST_CRL
def __init__(
self, distribution_points: typing.Iterable[DistributionPoint]
) -> None:
distribution_points = list(distribution_points)
if not all(
isinstance(x, DistributionPoint) for x in distribution_points
):
raise TypeError(
"distribution_points must be a list of DistributionPoint "
"objects"
)
self._distribution_points = distribution_points
__len__, __iter__, __getitem__ = _make_sequence_methods(
"_distribution_points"
)
def __repr__(self) -> str:
return f"<FreshestCRL({self._distribution_points})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, FreshestCRL):
return NotImplemented
return self._distribution_points == other._distribution_points
def __hash__(self) -> int:
return hash(tuple(self._distribution_points))
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class DistributionPoint:
def __init__(
self,
full_name: typing.Optional[typing.Iterable[GeneralName]],
relative_name: typing.Optional[RelativeDistinguishedName],
reasons: typing.Optional[typing.FrozenSet[ReasonFlags]],
crl_issuer: typing.Optional[typing.Iterable[GeneralName]],
) -> None:
if full_name and relative_name:
raise ValueError(
"You cannot provide both full_name and relative_name, at "
"least one must be None."
)
if not full_name and not relative_name and not crl_issuer:
raise ValueError(
"Either full_name, relative_name or crl_issuer must be "
"provided."
)
if full_name is not None:
full_name = list(full_name)
if not all(isinstance(x, GeneralName) for x in full_name):
raise TypeError(
"full_name must be a list of GeneralName objects"
)
if relative_name:
if not isinstance(relative_name, RelativeDistinguishedName):
raise TypeError(
"relative_name must be a RelativeDistinguishedName"
)
if crl_issuer is not None:
crl_issuer = list(crl_issuer)
if not all(isinstance(x, GeneralName) for x in crl_issuer):
raise TypeError(
"crl_issuer must be None or a list of general names"
)
if reasons and (
not isinstance(reasons, frozenset)
or not all(isinstance(x, ReasonFlags) for x in reasons)
):
raise TypeError("reasons must be None or frozenset of ReasonFlags")
if reasons and (
ReasonFlags.unspecified in reasons
or ReasonFlags.remove_from_crl in reasons
):
raise ValueError(
"unspecified and remove_from_crl are not valid reasons in a "
"DistributionPoint"
)
self._full_name = full_name
self._relative_name = relative_name
self._reasons = reasons
self._crl_issuer = crl_issuer
def __repr__(self) -> str:
return (
"<DistributionPoint(full_name={0.full_name}, relative_name={0.rela"
"tive_name}, reasons={0.reasons}, "
"crl_issuer={0.crl_issuer})>".format(self)
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, DistributionPoint):
return NotImplemented
return (
self.full_name == other.full_name
and self.relative_name == other.relative_name
and self.reasons == other.reasons
and self.crl_issuer == other.crl_issuer
)
def __hash__(self) -> int:
if self.full_name is not None:
fn: typing.Optional[typing.Tuple[GeneralName, ...]] = tuple(
self.full_name
)
else:
fn = None
if self.crl_issuer is not None:
crl_issuer: typing.Optional[
typing.Tuple[GeneralName, ...]
] = tuple(self.crl_issuer)
else:
crl_issuer = None
return hash((fn, self.relative_name, self.reasons, crl_issuer))
@property
def full_name(self) -> typing.Optional[typing.List[GeneralName]]:
return self._full_name
@property
def relative_name(self) -> typing.Optional[RelativeDistinguishedName]:
return self._relative_name
@property
def reasons(self) -> typing.Optional[typing.FrozenSet[ReasonFlags]]:
return self._reasons
@property
def crl_issuer(self) -> typing.Optional[typing.List[GeneralName]]:
return self._crl_issuer
class ReasonFlags(utils.Enum):
unspecified = "unspecified"
key_compromise = "keyCompromise"
ca_compromise = "cACompromise"
affiliation_changed = "affiliationChanged"
superseded = "superseded"
cessation_of_operation = "cessationOfOperation"
certificate_hold = "certificateHold"
privilege_withdrawn = "privilegeWithdrawn"
aa_compromise = "aACompromise"
remove_from_crl = "removeFromCRL"
# These are distribution point bit string mappings. Not to be confused with
# CRLReason reason flags bit string mappings.
# ReasonFlags ::= BIT STRING {
# unused (0),
# keyCompromise (1),
# cACompromise (2),
# affiliationChanged (3),
# superseded (4),
# cessationOfOperation (5),
# certificateHold (6),
# privilegeWithdrawn (7),
# aACompromise (8) }
_REASON_BIT_MAPPING = {
1: ReasonFlags.key_compromise,
2: ReasonFlags.ca_compromise,
3: ReasonFlags.affiliation_changed,
4: ReasonFlags.superseded,
5: ReasonFlags.cessation_of_operation,
6: ReasonFlags.certificate_hold,
7: ReasonFlags.privilege_withdrawn,
8: ReasonFlags.aa_compromise,
}
_CRLREASONFLAGS = {
ReasonFlags.key_compromise: 1,
ReasonFlags.ca_compromise: 2,
ReasonFlags.affiliation_changed: 3,
ReasonFlags.superseded: 4,
ReasonFlags.cessation_of_operation: 5,
ReasonFlags.certificate_hold: 6,
ReasonFlags.privilege_withdrawn: 7,
ReasonFlags.aa_compromise: 8,
}
class PolicyConstraints(ExtensionType):
oid = ExtensionOID.POLICY_CONSTRAINTS
def __init__(
self,
require_explicit_policy: typing.Optional[int],
inhibit_policy_mapping: typing.Optional[int],
) -> None:
if require_explicit_policy is not None and not isinstance(
require_explicit_policy, int
):
raise TypeError(
"require_explicit_policy must be a non-negative integer or "
"None"
)
if inhibit_policy_mapping is not None and not isinstance(
inhibit_policy_mapping, int
):
raise TypeError(
"inhibit_policy_mapping must be a non-negative integer or None"
)
if inhibit_policy_mapping is None and require_explicit_policy is None:
raise ValueError(
"At least one of require_explicit_policy and "
"inhibit_policy_mapping must not be None"
)
self._require_explicit_policy = require_explicit_policy
self._inhibit_policy_mapping = inhibit_policy_mapping
def __repr__(self) -> str:
return (
"<PolicyConstraints(require_explicit_policy={0.require_explicit"
"_policy}, inhibit_policy_mapping={0.inhibit_policy_"
"mapping})>".format(self)
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, PolicyConstraints):
return NotImplemented
return (
self.require_explicit_policy == other.require_explicit_policy
and self.inhibit_policy_mapping == other.inhibit_policy_mapping
)
def __hash__(self) -> int:
return hash(
(self.require_explicit_policy, self.inhibit_policy_mapping)
)
@property
def require_explicit_policy(self) -> typing.Optional[int]:
return self._require_explicit_policy
@property
def inhibit_policy_mapping(self) -> typing.Optional[int]:
return self._inhibit_policy_mapping
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class CertificatePolicies(ExtensionType):
oid = ExtensionOID.CERTIFICATE_POLICIES
def __init__(self, policies: typing.Iterable[PolicyInformation]) -> None:
policies = list(policies)
if not all(isinstance(x, PolicyInformation) for x in policies):
raise TypeError(
"Every item in the policies list must be a "
"PolicyInformation"
)
self._policies = policies
__len__, __iter__, __getitem__ = _make_sequence_methods("_policies")
def __repr__(self) -> str:
return f"<CertificatePolicies({self._policies})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, CertificatePolicies):
return NotImplemented
return self._policies == other._policies
def __hash__(self) -> int:
return hash(tuple(self._policies))
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class PolicyInformation:
def __init__(
self,
policy_identifier: ObjectIdentifier,
policy_qualifiers: typing.Optional[
typing.Iterable[typing.Union[str, UserNotice]]
],
) -> None:
if not isinstance(policy_identifier, ObjectIdentifier):
raise TypeError("policy_identifier must be an ObjectIdentifier")
self._policy_identifier = policy_identifier
if policy_qualifiers is not None:
policy_qualifiers = list(policy_qualifiers)
if not all(
isinstance(x, (str, UserNotice)) for x in policy_qualifiers
):
raise TypeError(
"policy_qualifiers must be a list of strings and/or "
"UserNotice objects or None"
)
self._policy_qualifiers = policy_qualifiers
def __repr__(self) -> str:
return (
"<PolicyInformation(policy_identifier={0.policy_identifier}, polic"
"y_qualifiers={0.policy_qualifiers})>".format(self)
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, PolicyInformation):
return NotImplemented
return (
self.policy_identifier == other.policy_identifier
and self.policy_qualifiers == other.policy_qualifiers
)
def __hash__(self) -> int:
if self.policy_qualifiers is not None:
pq: typing.Optional[
typing.Tuple[typing.Union[str, UserNotice], ...]
] = tuple(self.policy_qualifiers)
else:
pq = None
return hash((self.policy_identifier, pq))
@property
def policy_identifier(self) -> ObjectIdentifier:
return self._policy_identifier
@property
def policy_qualifiers(
self,
) -> typing.Optional[typing.List[typing.Union[str, UserNotice]]]:
return self._policy_qualifiers
class UserNotice:
def __init__(
self,
notice_reference: typing.Optional[NoticeReference],
explicit_text: typing.Optional[str],
) -> None:
if notice_reference and not isinstance(
notice_reference, NoticeReference
):
raise TypeError(
"notice_reference must be None or a NoticeReference"
)
self._notice_reference = notice_reference
self._explicit_text = explicit_text
def __repr__(self) -> str:
return (
"<UserNotice(notice_reference={0.notice_reference}, explicit_text="
"{0.explicit_text!r})>".format(self)
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, UserNotice):
return NotImplemented
return (
self.notice_reference == other.notice_reference
and self.explicit_text == other.explicit_text
)
def __hash__(self) -> int:
return hash((self.notice_reference, self.explicit_text))
@property
def notice_reference(self) -> typing.Optional[NoticeReference]:
return self._notice_reference
@property
def explicit_text(self) -> typing.Optional[str]:
return self._explicit_text
class NoticeReference:
def __init__(
self,
organization: typing.Optional[str],
notice_numbers: typing.Iterable[int],
) -> None:
self._organization = organization
notice_numbers = list(notice_numbers)
if not all(isinstance(x, int) for x in notice_numbers):
raise TypeError("notice_numbers must be a list of integers")
self._notice_numbers = notice_numbers
def __repr__(self) -> str:
return (
"<NoticeReference(organization={0.organization!r}, notice_numbers="
"{0.notice_numbers})>".format(self)
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, NoticeReference):
return NotImplemented
return (
self.organization == other.organization
and self.notice_numbers == other.notice_numbers
)
def __hash__(self) -> int:
return hash((self.organization, tuple(self.notice_numbers)))
@property
def organization(self) -> typing.Optional[str]:
return self._organization
@property
def notice_numbers(self) -> typing.List[int]:
return self._notice_numbers
class ExtendedKeyUsage(ExtensionType):
oid = ExtensionOID.EXTENDED_KEY_USAGE
def __init__(self, usages: typing.Iterable[ObjectIdentifier]) -> None:
usages = list(usages)
if not all(isinstance(x, ObjectIdentifier) for x in usages):
raise TypeError(
"Every item in the usages list must be an ObjectIdentifier"
)
self._usages = usages
__len__, __iter__, __getitem__ = _make_sequence_methods("_usages")
def __repr__(self) -> str:
return f"<ExtendedKeyUsage({self._usages})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, ExtendedKeyUsage):
return NotImplemented
return self._usages == other._usages
def __hash__(self) -> int:
return hash(tuple(self._usages))
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class OCSPNoCheck(ExtensionType):
oid = ExtensionOID.OCSP_NO_CHECK
def __eq__(self, other: object) -> bool:
if not isinstance(other, OCSPNoCheck):
return NotImplemented
return True
def __hash__(self) -> int:
return hash(OCSPNoCheck)
def __repr__(self) -> str:
return "<OCSPNoCheck()>"
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class PrecertPoison(ExtensionType):
oid = ExtensionOID.PRECERT_POISON
def __eq__(self, other: object) -> bool:
if not isinstance(other, PrecertPoison):
return NotImplemented
return True
def __hash__(self) -> int:
return hash(PrecertPoison)
def __repr__(self) -> str:
return "<PrecertPoison()>"
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class TLSFeature(ExtensionType):
oid = ExtensionOID.TLS_FEATURE
def __init__(self, features: typing.Iterable[TLSFeatureType]) -> None:
features = list(features)
if (
not all(isinstance(x, TLSFeatureType) for x in features)
or len(features) == 0
):
raise TypeError(
"features must be a list of elements from the TLSFeatureType "
"enum"
)
self._features = features
__len__, __iter__, __getitem__ = _make_sequence_methods("_features")
def __repr__(self) -> str:
return f"<TLSFeature(features={self._features})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, TLSFeature):
return NotImplemented
return self._features == other._features
def __hash__(self) -> int:
return hash(tuple(self._features))
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class TLSFeatureType(utils.Enum):
# status_request is defined in RFC 6066 and is used for what is commonly
# called OCSP Must-Staple when present in the TLS Feature extension in an
# X.509 certificate.
status_request = 5
# status_request_v2 is defined in RFC 6961 and allows multiple OCSP
# responses to be provided. It is not currently in use by clients or
# servers.
status_request_v2 = 17
_TLS_FEATURE_TYPE_TO_ENUM = {x.value: x for x in TLSFeatureType}
class InhibitAnyPolicy(ExtensionType):
oid = ExtensionOID.INHIBIT_ANY_POLICY
def __init__(self, skip_certs: int) -> None:
if not isinstance(skip_certs, int):
raise TypeError("skip_certs must be an integer")
if skip_certs < 0:
raise ValueError("skip_certs must be a non-negative integer")
self._skip_certs = skip_certs
def __repr__(self) -> str:
return f"<InhibitAnyPolicy(skip_certs={self.skip_certs})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, InhibitAnyPolicy):
return NotImplemented
return self.skip_certs == other.skip_certs
def __hash__(self) -> int:
return hash(self.skip_certs)
@property
def skip_certs(self) -> int:
return self._skip_certs
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class KeyUsage(ExtensionType):
oid = ExtensionOID.KEY_USAGE
def __init__(
self,
digital_signature: bool,
content_commitment: bool,
key_encipherment: bool,
data_encipherment: bool,
key_agreement: bool,
key_cert_sign: bool,
crl_sign: bool,
encipher_only: bool,
decipher_only: bool,
) -> None:
if not key_agreement and (encipher_only or decipher_only):
raise ValueError(
"encipher_only and decipher_only can only be true when "
"key_agreement is true"
)
self._digital_signature = digital_signature
self._content_commitment = content_commitment
self._key_encipherment = key_encipherment
self._data_encipherment = data_encipherment
self._key_agreement = key_agreement
self._key_cert_sign = key_cert_sign
self._crl_sign = crl_sign
self._encipher_only = encipher_only
self._decipher_only = decipher_only
@property
def digital_signature(self) -> bool:
return self._digital_signature
@property
def content_commitment(self) -> bool:
return self._content_commitment
@property
def key_encipherment(self) -> bool:
return self._key_encipherment
@property
def data_encipherment(self) -> bool:
return self._data_encipherment
@property
def key_agreement(self) -> bool:
return self._key_agreement
@property
def key_cert_sign(self) -> bool:
return self._key_cert_sign
@property
def crl_sign(self) -> bool:
return self._crl_sign
@property
def encipher_only(self) -> bool:
if not self.key_agreement:
raise ValueError(
"encipher_only is undefined unless key_agreement is true"
)
else:
return self._encipher_only
@property
def decipher_only(self) -> bool:
if not self.key_agreement:
raise ValueError(
"decipher_only is undefined unless key_agreement is true"
)
else:
return self._decipher_only
def __repr__(self) -> str:
try:
encipher_only = self.encipher_only
decipher_only = self.decipher_only
except ValueError:
# Users found None confusing because even though encipher/decipher
# have no meaning unless key_agreement is true, to construct an
# instance of the class you still need to pass False.
encipher_only = False
decipher_only = False
return (
"<KeyUsage(digital_signature={0.digital_signature}, "
"content_commitment={0.content_commitment}, "
"key_encipherment={0.key_encipherment}, "
"data_encipherment={0.data_encipherment}, "
"key_agreement={0.key_agreement}, "
"key_cert_sign={0.key_cert_sign}, crl_sign={0.crl_sign}, "
"encipher_only={1}, decipher_only={2})>"
).format(self, encipher_only, decipher_only)
def __eq__(self, other: object) -> bool:
if not isinstance(other, KeyUsage):
return NotImplemented
return (
self.digital_signature == other.digital_signature
and self.content_commitment == other.content_commitment
and self.key_encipherment == other.key_encipherment
and self.data_encipherment == other.data_encipherment
and self.key_agreement == other.key_agreement
and self.key_cert_sign == other.key_cert_sign
and self.crl_sign == other.crl_sign
and self._encipher_only == other._encipher_only
and self._decipher_only == other._decipher_only
)
def __hash__(self) -> int:
return hash(
(
self.digital_signature,
self.content_commitment,
self.key_encipherment,
self.data_encipherment,
self.key_agreement,
self.key_cert_sign,
self.crl_sign,
self._encipher_only,
self._decipher_only,
)
)
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class NameConstraints(ExtensionType):
oid = ExtensionOID.NAME_CONSTRAINTS
def __init__(
self,
permitted_subtrees: typing.Optional[typing.Iterable[GeneralName]],
excluded_subtrees: typing.Optional[typing.Iterable[GeneralName]],
) -> None:
if permitted_subtrees is not None:
permitted_subtrees = list(permitted_subtrees)
if not permitted_subtrees:
raise ValueError(
"permitted_subtrees must be a non-empty list or None"
)
if not all(isinstance(x, GeneralName) for x in permitted_subtrees):
raise TypeError(
"permitted_subtrees must be a list of GeneralName objects "
"or None"
)
self._validate_tree(permitted_subtrees)
if excluded_subtrees is not None:
excluded_subtrees = list(excluded_subtrees)
if not excluded_subtrees:
raise ValueError(
"excluded_subtrees must be a non-empty list or None"
)
if not all(isinstance(x, GeneralName) for x in excluded_subtrees):
raise TypeError(
"excluded_subtrees must be a list of GeneralName objects "
"or None"
)
self._validate_tree(excluded_subtrees)
if permitted_subtrees is None and excluded_subtrees is None:
raise ValueError(
"At least one of permitted_subtrees and excluded_subtrees "
"must not be None"
)
self._permitted_subtrees = permitted_subtrees
self._excluded_subtrees = excluded_subtrees
def __eq__(self, other: object) -> bool:
if not isinstance(other, NameConstraints):
return NotImplemented
return (
self.excluded_subtrees == other.excluded_subtrees
and self.permitted_subtrees == other.permitted_subtrees
)
def _validate_tree(self, tree: typing.Iterable[GeneralName]) -> None:
self._validate_ip_name(tree)
self._validate_dns_name(tree)
def _validate_ip_name(self, tree: typing.Iterable[GeneralName]) -> None:
if any(
isinstance(name, IPAddress)
and not isinstance(
name.value, (ipaddress.IPv4Network, ipaddress.IPv6Network)
)
for name in tree
):
raise TypeError(
"IPAddress name constraints must be an IPv4Network or"
" IPv6Network object"
)
def _validate_dns_name(self, tree: typing.Iterable[GeneralName]) -> None:
if any(
isinstance(name, DNSName) and "*" in name.value for name in tree
):
raise ValueError(
"DNSName name constraints must not contain the '*' wildcard"
" character"
)
def __repr__(self) -> str:
return (
"<NameConstraints(permitted_subtrees={0.permitted_subtrees}, "
"excluded_subtrees={0.excluded_subtrees})>".format(self)
)
def __hash__(self) -> int:
if self.permitted_subtrees is not None:
ps: typing.Optional[typing.Tuple[GeneralName, ...]] = tuple(
self.permitted_subtrees
)
else:
ps = None
if self.excluded_subtrees is not None:
es: typing.Optional[typing.Tuple[GeneralName, ...]] = tuple(
self.excluded_subtrees
)
else:
es = None
return hash((ps, es))
@property
def permitted_subtrees(
self,
) -> typing.Optional[typing.List[GeneralName]]:
return self._permitted_subtrees
@property
def excluded_subtrees(
self,
) -> typing.Optional[typing.List[GeneralName]]:
return self._excluded_subtrees
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class Extension(typing.Generic[ExtensionTypeVar]):
def __init__(
self, oid: ObjectIdentifier, critical: bool, value: ExtensionTypeVar
) -> None:
if not isinstance(oid, ObjectIdentifier):
raise TypeError(
"oid argument must be an ObjectIdentifier instance."
)
if not isinstance(critical, bool):
raise TypeError("critical must be a boolean value")
self._oid = oid
self._critical = critical
self._value = value
@property
def oid(self) -> ObjectIdentifier:
return self._oid
@property
def critical(self) -> bool:
return self._critical
@property
def value(self) -> ExtensionTypeVar:
return self._value
def __repr__(self) -> str:
return (
"<Extension(oid={0.oid}, critical={0.critical}, "
"value={0.value})>"
).format(self)
def __eq__(self, other: object) -> bool:
if not isinstance(other, Extension):
return NotImplemented
return (
self.oid == other.oid
and self.critical == other.critical
and self.value == other.value
)
def __hash__(self) -> int:
return hash((self.oid, self.critical, self.value))
class GeneralNames:
def __init__(self, general_names: typing.Iterable[GeneralName]) -> None:
general_names = list(general_names)
if not all(isinstance(x, GeneralName) for x in general_names):
raise TypeError(
"Every item in the general_names list must be an "
"object conforming to the GeneralName interface"
)
self._general_names = general_names
__len__, __iter__, __getitem__ = _make_sequence_methods("_general_names")
@typing.overload
def get_values_for_type(
self,
type: typing.Union[
typing.Type[DNSName],
typing.Type[UniformResourceIdentifier],
typing.Type[RFC822Name],
],
) -> typing.List[str]:
...
@typing.overload
def get_values_for_type(
self,
type: typing.Type[DirectoryName],
) -> typing.List[Name]:
...
@typing.overload
def get_values_for_type(
self,
type: typing.Type[RegisteredID],
) -> typing.List[ObjectIdentifier]:
...
@typing.overload
def get_values_for_type(
self, type: typing.Type[IPAddress]
) -> typing.List[_IPAddressTypes]:
...
@typing.overload
def get_values_for_type(
self, type: typing.Type[OtherName]
) -> typing.List[OtherName]:
...
def get_values_for_type(
self,
type: typing.Union[
typing.Type[DNSName],
typing.Type[DirectoryName],
typing.Type[IPAddress],
typing.Type[OtherName],
typing.Type[RFC822Name],
typing.Type[RegisteredID],
typing.Type[UniformResourceIdentifier],
],
) -> typing.Union[
typing.List[_IPAddressTypes],
typing.List[str],
typing.List[OtherName],
typing.List[Name],
typing.List[ObjectIdentifier],
]:
# Return the value of each GeneralName, except for OtherName instances
# which we return directly because it has two important properties not
# just one value.
objs = (i for i in self if isinstance(i, type))
if type != OtherName:
return [i.value for i in objs]
return list(objs)
def __repr__(self) -> str:
return f"<GeneralNames({self._general_names})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, GeneralNames):
return NotImplemented
return self._general_names == other._general_names
def __hash__(self) -> int:
return hash(tuple(self._general_names))
class SubjectAlternativeName(ExtensionType):
oid = ExtensionOID.SUBJECT_ALTERNATIVE_NAME
def __init__(self, general_names: typing.Iterable[GeneralName]) -> None:
self._general_names = GeneralNames(general_names)
__len__, __iter__, __getitem__ = _make_sequence_methods("_general_names")
@typing.overload
def get_values_for_type(
self,
type: typing.Union[
typing.Type[DNSName],
typing.Type[UniformResourceIdentifier],
typing.Type[RFC822Name],
],
) -> typing.List[str]:
...
@typing.overload
def get_values_for_type(
self,
type: typing.Type[DirectoryName],
) -> typing.List[Name]:
...
@typing.overload
def get_values_for_type(
self,
type: typing.Type[RegisteredID],
) -> typing.List[ObjectIdentifier]:
...
@typing.overload
def get_values_for_type(
self, type: typing.Type[IPAddress]
) -> typing.List[_IPAddressTypes]:
...
@typing.overload
def get_values_for_type(
self, type: typing.Type[OtherName]
) -> typing.List[OtherName]:
...
def get_values_for_type(
self,
type: typing.Union[
typing.Type[DNSName],
typing.Type[DirectoryName],
typing.Type[IPAddress],
typing.Type[OtherName],
typing.Type[RFC822Name],
typing.Type[RegisteredID],
typing.Type[UniformResourceIdentifier],
],
) -> typing.Union[
typing.List[_IPAddressTypes],
typing.List[str],
typing.List[OtherName],
typing.List[Name],
typing.List[ObjectIdentifier],
]:
return self._general_names.get_values_for_type(type)
def __repr__(self) -> str:
return f"<SubjectAlternativeName({self._general_names})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, SubjectAlternativeName):
return NotImplemented
return self._general_names == other._general_names
def __hash__(self) -> int:
return hash(self._general_names)
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class IssuerAlternativeName(ExtensionType):
oid = ExtensionOID.ISSUER_ALTERNATIVE_NAME
def __init__(self, general_names: typing.Iterable[GeneralName]) -> None:
self._general_names = GeneralNames(general_names)
__len__, __iter__, __getitem__ = _make_sequence_methods("_general_names")
@typing.overload
def get_values_for_type(
self,
type: typing.Union[
typing.Type[DNSName],
typing.Type[UniformResourceIdentifier],
typing.Type[RFC822Name],
],
) -> typing.List[str]:
...
@typing.overload
def get_values_for_type(
self,
type: typing.Type[DirectoryName],
) -> typing.List[Name]:
...
@typing.overload
def get_values_for_type(
self,
type: typing.Type[RegisteredID],
) -> typing.List[ObjectIdentifier]:
...
@typing.overload
def get_values_for_type(
self, type: typing.Type[IPAddress]
) -> typing.List[_IPAddressTypes]:
...
@typing.overload
def get_values_for_type(
self, type: typing.Type[OtherName]
) -> typing.List[OtherName]:
...
def get_values_for_type(
self,
type: typing.Union[
typing.Type[DNSName],
typing.Type[DirectoryName],
typing.Type[IPAddress],
typing.Type[OtherName],
typing.Type[RFC822Name],
typing.Type[RegisteredID],
typing.Type[UniformResourceIdentifier],
],
) -> typing.Union[
typing.List[_IPAddressTypes],
typing.List[str],
typing.List[OtherName],
typing.List[Name],
typing.List[ObjectIdentifier],
]:
return self._general_names.get_values_for_type(type)
def __repr__(self) -> str:
return f"<IssuerAlternativeName({self._general_names})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, IssuerAlternativeName):
return NotImplemented
return self._general_names == other._general_names
def __hash__(self) -> int:
return hash(self._general_names)
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class CertificateIssuer(ExtensionType):
oid = CRLEntryExtensionOID.CERTIFICATE_ISSUER
def __init__(self, general_names: typing.Iterable[GeneralName]) -> None:
self._general_names = GeneralNames(general_names)
__len__, __iter__, __getitem__ = _make_sequence_methods("_general_names")
@typing.overload
def get_values_for_type(
self,
type: typing.Union[
typing.Type[DNSName],
typing.Type[UniformResourceIdentifier],
typing.Type[RFC822Name],
],
) -> typing.List[str]:
...
@typing.overload
def get_values_for_type(
self,
type: typing.Type[DirectoryName],
) -> typing.List[Name]:
...
@typing.overload
def get_values_for_type(
self,
type: typing.Type[RegisteredID],
) -> typing.List[ObjectIdentifier]:
...
@typing.overload
def get_values_for_type(
self, type: typing.Type[IPAddress]
) -> typing.List[_IPAddressTypes]:
...
@typing.overload
def get_values_for_type(
self, type: typing.Type[OtherName]
) -> typing.List[OtherName]:
...
def get_values_for_type(
self,
type: typing.Union[
typing.Type[DNSName],
typing.Type[DirectoryName],
typing.Type[IPAddress],
typing.Type[OtherName],
typing.Type[RFC822Name],
typing.Type[RegisteredID],
typing.Type[UniformResourceIdentifier],
],
) -> typing.Union[
typing.List[_IPAddressTypes],
typing.List[str],
typing.List[OtherName],
typing.List[Name],
typing.List[ObjectIdentifier],
]:
return self._general_names.get_values_for_type(type)
def __repr__(self) -> str:
return f"<CertificateIssuer({self._general_names})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, CertificateIssuer):
return NotImplemented
return self._general_names == other._general_names
def __hash__(self) -> int:
return hash(self._general_names)
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class CRLReason(ExtensionType):
oid = CRLEntryExtensionOID.CRL_REASON
def __init__(self, reason: ReasonFlags) -> None:
if not isinstance(reason, ReasonFlags):
raise TypeError("reason must be an element from ReasonFlags")
self._reason = reason
def __repr__(self) -> str:
return f"<CRLReason(reason={self._reason})>"
def __eq__(self, other: object) -> bool:
if not isinstance(other, CRLReason):
return NotImplemented
return self.reason == other.reason
def __hash__(self) -> int:
return hash(self.reason)
@property
def reason(self) -> ReasonFlags:
return self._reason
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class InvalidityDate(ExtensionType):
oid = CRLEntryExtensionOID.INVALIDITY_DATE
def __init__(self, invalidity_date: datetime.datetime) -> None:
if not isinstance(invalidity_date, datetime.datetime):
raise TypeError("invalidity_date must be a datetime.datetime")
self._invalidity_date = invalidity_date
def __repr__(self) -> str:
return "<InvalidityDate(invalidity_date={})>".format(
self._invalidity_date
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, InvalidityDate):
return NotImplemented
return self.invalidity_date == other.invalidity_date
def __hash__(self) -> int:
return hash(self.invalidity_date)
@property
def invalidity_date(self) -> datetime.datetime:
return self._invalidity_date
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class PrecertificateSignedCertificateTimestamps(ExtensionType):
oid = ExtensionOID.PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS
def __init__(
self,
signed_certificate_timestamps: typing.Iterable[
SignedCertificateTimestamp
],
) -> None:
signed_certificate_timestamps = list(signed_certificate_timestamps)
if not all(
isinstance(sct, SignedCertificateTimestamp)
for sct in signed_certificate_timestamps
):
raise TypeError(
"Every item in the signed_certificate_timestamps list must be "
"a SignedCertificateTimestamp"
)
self._signed_certificate_timestamps = signed_certificate_timestamps
__len__, __iter__, __getitem__ = _make_sequence_methods(
"_signed_certificate_timestamps"
)
def __repr__(self) -> str:
return "<PrecertificateSignedCertificateTimestamps({})>".format(
list(self)
)
def __hash__(self) -> int:
return hash(tuple(self._signed_certificate_timestamps))
def __eq__(self, other: object) -> bool:
if not isinstance(other, PrecertificateSignedCertificateTimestamps):
return NotImplemented
return (
self._signed_certificate_timestamps
== other._signed_certificate_timestamps
)
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class SignedCertificateTimestamps(ExtensionType):
oid = ExtensionOID.SIGNED_CERTIFICATE_TIMESTAMPS
def __init__(
self,
signed_certificate_timestamps: typing.Iterable[
SignedCertificateTimestamp
],
) -> None:
signed_certificate_timestamps = list(signed_certificate_timestamps)
if not all(
isinstance(sct, SignedCertificateTimestamp)
for sct in signed_certificate_timestamps
):
raise TypeError(
"Every item in the signed_certificate_timestamps list must be "
"a SignedCertificateTimestamp"
)
self._signed_certificate_timestamps = signed_certificate_timestamps
__len__, __iter__, __getitem__ = _make_sequence_methods(
"_signed_certificate_timestamps"
)
def __repr__(self) -> str:
return f"<SignedCertificateTimestamps({list(self)})>"
def __hash__(self) -> int:
return hash(tuple(self._signed_certificate_timestamps))
def __eq__(self, other: object) -> bool:
if not isinstance(other, SignedCertificateTimestamps):
return NotImplemented
return (
self._signed_certificate_timestamps
== other._signed_certificate_timestamps
)
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class OCSPNonce(ExtensionType):
oid = OCSPExtensionOID.NONCE
def __init__(self, nonce: bytes) -> None:
if not isinstance(nonce, bytes):
raise TypeError("nonce must be bytes")
self._nonce = nonce
def __eq__(self, other: object) -> bool:
if not isinstance(other, OCSPNonce):
return NotImplemented
return self.nonce == other.nonce
def __hash__(self) -> int:
return hash(self.nonce)
def __repr__(self) -> str:
return f"<OCSPNonce(nonce={self.nonce!r})>"
@property
def nonce(self) -> bytes:
return self._nonce
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class OCSPAcceptableResponses(ExtensionType):
oid = OCSPExtensionOID.ACCEPTABLE_RESPONSES
def __init__(self, responses: typing.Iterable[ObjectIdentifier]) -> None:
responses = list(responses)
if any(not isinstance(r, ObjectIdentifier) for r in responses):
raise TypeError("All responses must be ObjectIdentifiers")
self._responses = responses
def __eq__(self, other: object) -> bool:
if not isinstance(other, OCSPAcceptableResponses):
return NotImplemented
return self._responses == other._responses
def __hash__(self) -> int:
return hash(tuple(self._responses))
def __repr__(self) -> str:
return f"<OCSPAcceptableResponses(responses={self._responses})>"
def __iter__(self) -> typing.Iterator[ObjectIdentifier]:
return iter(self._responses)
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class IssuingDistributionPoint(ExtensionType):
oid = ExtensionOID.ISSUING_DISTRIBUTION_POINT
def __init__(
self,
full_name: typing.Optional[typing.Iterable[GeneralName]],
relative_name: typing.Optional[RelativeDistinguishedName],
only_contains_user_certs: bool,
only_contains_ca_certs: bool,
only_some_reasons: typing.Optional[typing.FrozenSet[ReasonFlags]],
indirect_crl: bool,
only_contains_attribute_certs: bool,
) -> None:
if full_name is not None:
full_name = list(full_name)
if only_some_reasons and (
not isinstance(only_some_reasons, frozenset)
or not all(isinstance(x, ReasonFlags) for x in only_some_reasons)
):
raise TypeError(
"only_some_reasons must be None or frozenset of ReasonFlags"
)
if only_some_reasons and (
ReasonFlags.unspecified in only_some_reasons
or ReasonFlags.remove_from_crl in only_some_reasons
):
raise ValueError(
"unspecified and remove_from_crl are not valid reasons in an "
"IssuingDistributionPoint"
)
if not (
isinstance(only_contains_user_certs, bool)
and isinstance(only_contains_ca_certs, bool)
and isinstance(indirect_crl, bool)
and isinstance(only_contains_attribute_certs, bool)
):
raise TypeError(
"only_contains_user_certs, only_contains_ca_certs, "
"indirect_crl and only_contains_attribute_certs "
"must all be boolean."
)
crl_constraints = [
only_contains_user_certs,
only_contains_ca_certs,
indirect_crl,
only_contains_attribute_certs,
]
if len([x for x in crl_constraints if x]) > 1:
raise ValueError(
"Only one of the following can be set to True: "
"only_contains_user_certs, only_contains_ca_certs, "
"indirect_crl, only_contains_attribute_certs"
)
if not any(
[
only_contains_user_certs,
only_contains_ca_certs,
indirect_crl,
only_contains_attribute_certs,
full_name,
relative_name,
only_some_reasons,
]
):
raise ValueError(
"Cannot create empty extension: "
"if only_contains_user_certs, only_contains_ca_certs, "
"indirect_crl, and only_contains_attribute_certs are all False"
", then either full_name, relative_name, or only_some_reasons "
"must have a value."
)
self._only_contains_user_certs = only_contains_user_certs
self._only_contains_ca_certs = only_contains_ca_certs
self._indirect_crl = indirect_crl
self._only_contains_attribute_certs = only_contains_attribute_certs
self._only_some_reasons = only_some_reasons
self._full_name = full_name
self._relative_name = relative_name
def __repr__(self) -> str:
return (
"<IssuingDistributionPoint(full_name={0.full_name}, "
"relative_name={0.relative_name}, "
"only_contains_user_certs={0.only_contains_user_certs}, "
"only_contains_ca_certs={0.only_contains_ca_certs}, "
"only_some_reasons={0.only_some_reasons}, "
"indirect_crl={0.indirect_crl}, "
"only_contains_attribute_certs="
"{0.only_contains_attribute_certs})>".format(self)
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, IssuingDistributionPoint):
return NotImplemented
return (
self.full_name == other.full_name
and self.relative_name == other.relative_name
and self.only_contains_user_certs == other.only_contains_user_certs
and self.only_contains_ca_certs == other.only_contains_ca_certs
and self.only_some_reasons == other.only_some_reasons
and self.indirect_crl == other.indirect_crl
and self.only_contains_attribute_certs
== other.only_contains_attribute_certs
)
def __hash__(self) -> int:
return hash(
(
self.full_name,
self.relative_name,
self.only_contains_user_certs,
self.only_contains_ca_certs,
self.only_some_reasons,
self.indirect_crl,
self.only_contains_attribute_certs,
)
)
@property
def full_name(self) -> typing.Optional[typing.List[GeneralName]]:
return self._full_name
@property
def relative_name(self) -> typing.Optional[RelativeDistinguishedName]:
return self._relative_name
@property
def only_contains_user_certs(self) -> bool:
return self._only_contains_user_certs
@property
def only_contains_ca_certs(self) -> bool:
return self._only_contains_ca_certs
@property
def only_some_reasons(
self,
) -> typing.Optional[typing.FrozenSet[ReasonFlags]]:
return self._only_some_reasons
@property
def indirect_crl(self) -> bool:
return self._indirect_crl
@property
def only_contains_attribute_certs(self) -> bool:
return self._only_contains_attribute_certs
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class MSCertificateTemplate(ExtensionType):
oid = ExtensionOID.MS_CERTIFICATE_TEMPLATE
def __init__(
self,
template_id: ObjectIdentifier,
major_version: typing.Optional[int],
minor_version: typing.Optional[int],
) -> None:
if not isinstance(template_id, ObjectIdentifier):
raise TypeError("oid must be an ObjectIdentifier")
self._template_id = template_id
if (
major_version is not None and not isinstance(major_version, int)
) or (
minor_version is not None and not isinstance(minor_version, int)
):
raise TypeError(
"major_version and minor_version must be integers or None"
)
self._major_version = major_version
self._minor_version = minor_version
@property
def template_id(self) -> ObjectIdentifier:
return self._template_id
@property
def major_version(self) -> typing.Optional[int]:
return self._major_version
@property
def minor_version(self) -> typing.Optional[int]:
return self._minor_version
def __repr__(self) -> str:
return (
f"<MSCertificateTemplate(template_id={self.template_id}, "
f"major_version={self.major_version}, "
f"minor_version={self.minor_version})>"
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, MSCertificateTemplate):
return NotImplemented
return (
self.template_id == other.template_id
and self.major_version == other.major_version
and self.minor_version == other.minor_version
)
def __hash__(self) -> int:
return hash((self.template_id, self.major_version, self.minor_version))
def public_bytes(self) -> bytes:
return rust_x509.encode_extension_value(self)
class UnrecognizedExtension(ExtensionType):
def __init__(self, oid: ObjectIdentifier, value: bytes) -> None:
if not isinstance(oid, ObjectIdentifier):
raise TypeError("oid must be an ObjectIdentifier")
self._oid = oid
self._value = value
@property
def oid(self) -> ObjectIdentifier: # type: ignore[override]
return self._oid
@property
def value(self) -> bytes:
return self._value
def __repr__(self) -> str:
return (
"<UnrecognizedExtension(oid={0.oid}, "
"value={0.value!r})>".format(self)
)
def __eq__(self, other: object) -> bool:
if not isinstance(other, UnrecognizedExtension):
return NotImplemented
return self.oid == other.oid and self.value == other.value
def __hash__(self) -> int:
return hash((self.oid, self.value))
def public_bytes(self) -> bytes:
return self.value
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