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opt
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imh-python
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lib
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python3.9
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site-packages
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cryptography
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x509
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Filename :
general_name.py
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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. import abc import ipaddress import typing from email.utils import parseaddr from cryptography.x509.name import Name from cryptography.x509.oid import ObjectIdentifier _IPADDRESS_TYPES = typing.Union[ ipaddress.IPv4Address, ipaddress.IPv6Address, ipaddress.IPv4Network, ipaddress.IPv6Network, ] class UnsupportedGeneralNameType(Exception): pass class GeneralName(metaclass=abc.ABCMeta): @abc.abstractproperty def value(self) -> typing.Any: """ Return the value of the object """ class RFC822Name(GeneralName): def __init__(self, value: str) -> None: if isinstance(value, str): try: value.encode("ascii") except UnicodeEncodeError: raise ValueError( "RFC822Name values should be passed as an A-label string. " "This means unicode characters should be encoded via " "a library like idna." ) else: raise TypeError("value must be string") name, address = parseaddr(value) if name or not address: # parseaddr has found a name (e.g. Name <email>) or the entire # value is an empty string. raise ValueError("Invalid rfc822name value") self._value = value @property def value(self) -> str: return self._value @classmethod def _init_without_validation(cls, value: str) -> "RFC822Name": instance = cls.__new__(cls) instance._value = value return instance def __repr__(self) -> str: return "<RFC822Name(value={0!r})>".format(self.value) def __eq__(self, other: object) -> bool: if not isinstance(other, RFC822Name): return NotImplemented return self.value == other.value def __ne__(self, other: object) -> bool: return not self == other def __hash__(self) -> int: return hash(self.value) class DNSName(GeneralName): def __init__(self, value: str) -> None: if isinstance(value, str): try: value.encode("ascii") except UnicodeEncodeError: raise ValueError( "DNSName values should be passed as an A-label string. " "This means unicode characters should be encoded via " "a library like idna." ) else: raise TypeError("value must be string") self._value = value @property def value(self) -> str: return self._value @classmethod def _init_without_validation(cls, value: str) -> "DNSName": instance = cls.__new__(cls) instance._value = value return instance def __repr__(self) -> str: return "<DNSName(value={0!r})>".format(self.value) def __eq__(self, other: object) -> bool: if not isinstance(other, DNSName): return NotImplemented return self.value == other.value def __ne__(self, other: object) -> bool: return not self == other def __hash__(self) -> int: return hash(self.value) class UniformResourceIdentifier(GeneralName): def __init__(self, value: str) -> None: if isinstance(value, str): try: value.encode("ascii") except UnicodeEncodeError: raise ValueError( "URI values should be passed as an A-label string. " "This means unicode characters should be encoded via " "a library like idna." ) else: raise TypeError("value must be string") self._value = value @property def value(self) -> str: return self._value @classmethod def _init_without_validation( cls, value: str ) -> "UniformResourceIdentifier": instance = cls.__new__(cls) instance._value = value return instance def __repr__(self) -> str: return "<UniformResourceIdentifier(value={0!r})>".format(self.value) def __eq__(self, other: object) -> bool: if not isinstance(other, UniformResourceIdentifier): return NotImplemented return self.value == other.value def __ne__(self, other: object) -> bool: return not self == other def __hash__(self) -> int: return hash(self.value) class DirectoryName(GeneralName): def __init__(self, value: Name) -> None: if not isinstance(value, Name): raise TypeError("value must be a Name") self._value = value @property def value(self) -> Name: return self._value def __repr__(self) -> str: return "<DirectoryName(value={})>".format(self.value) def __eq__(self, other: object) -> bool: if not isinstance(other, DirectoryName): return NotImplemented return self.value == other.value def __ne__(self, other: object) -> bool: return not self == other def __hash__(self) -> int: return hash(self.value) class RegisteredID(GeneralName): def __init__(self, value: ObjectIdentifier) -> None: if not isinstance(value, ObjectIdentifier): raise TypeError("value must be an ObjectIdentifier") self._value = value @property def value(self) -> ObjectIdentifier: return self._value def __repr__(self) -> str: return "<RegisteredID(value={})>".format(self.value) def __eq__(self, other: object) -> bool: if not isinstance(other, RegisteredID): return NotImplemented return self.value == other.value def __ne__(self, other: object) -> bool: return not self == other def __hash__(self) -> int: return hash(self.value) class IPAddress(GeneralName): def __init__(self, value: _IPADDRESS_TYPES) -> None: if not isinstance( value, ( ipaddress.IPv4Address, ipaddress.IPv6Address, ipaddress.IPv4Network, ipaddress.IPv6Network, ), ): raise TypeError( "value must be an instance of ipaddress.IPv4Address, " "ipaddress.IPv6Address, ipaddress.IPv4Network, or " "ipaddress.IPv6Network" ) self._value = value @property def value(self) -> _IPADDRESS_TYPES: return self._value def _packed(self) -> bytes: if isinstance( self.value, (ipaddress.IPv4Address, ipaddress.IPv6Address) ): return self.value.packed else: return ( self.value.network_address.packed + self.value.netmask.packed ) def __repr__(self) -> str: return "<IPAddress(value={})>".format(self.value) def __eq__(self, other: object) -> bool: if not isinstance(other, IPAddress): return NotImplemented return self.value == other.value def __ne__(self, other: object) -> bool: return not self == other def __hash__(self) -> int: return hash(self.value) class OtherName(GeneralName): def __init__(self, type_id: ObjectIdentifier, value: bytes) -> None: if not isinstance(type_id, ObjectIdentifier): raise TypeError("type_id must be an ObjectIdentifier") if not isinstance(value, bytes): raise TypeError("value must be a binary string") self._type_id = type_id self._value = value @property def type_id(self) -> ObjectIdentifier: return self._type_id @property def value(self) -> bytes: return self._value def __repr__(self) -> str: return "<OtherName(type_id={}, value={!r})>".format( self.type_id, self.value ) def __eq__(self, other: object) -> bool: if not isinstance(other, OtherName): return NotImplemented return self.type_id == other.type_id and self.value == other.value def __ne__(self, other: object) -> bool: return not self == other def __hash__(self) -> int: return hash((self.type_id, self.value))