Current File : //usr/lib64/python3.6/site-packages/cryptography/x509/general_name.py
# 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 absolute_import, division, print_function
import abc
import ipaddress
from email.utils import parseaddr
import six
from cryptography import utils
from cryptography.x509.name import Name
from cryptography.x509.oid import ObjectIdentifier
_GENERAL_NAMES = {
0: "otherName",
1: "rfc822Name",
2: "dNSName",
3: "x400Address",
4: "directoryName",
5: "ediPartyName",
6: "uniformResourceIdentifier",
7: "iPAddress",
8: "registeredID",
}
class UnsupportedGeneralNameType(Exception):
def __init__(self, msg, type):
super(UnsupportedGeneralNameType, self).__init__(msg)
self.type = type
@six.add_metaclass(abc.ABCMeta)
class GeneralName(object):
@abc.abstractproperty
def value(self):
"""
Return the value of the object
"""
@utils.register_interface(GeneralName)
class RFC822Name(object):
def __init__(self, value):
if isinstance(value, six.text_type):
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
value = utils.read_only_property("_value")
@classmethod
def _init_without_validation(cls, value):
instance = cls.__new__(cls)
instance._value = value
return instance
def __repr__(self):
return "<RFC822Name(value={0!r})>".format(self.value)
def __eq__(self, other):
if not isinstance(other, RFC822Name):
return NotImplemented
return self.value == other.value
def __ne__(self, other):
return not self == other
def __hash__(self):
return hash(self.value)
@utils.register_interface(GeneralName)
class DNSName(object):
def __init__(self, value):
if isinstance(value, six.text_type):
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
value = utils.read_only_property("_value")
@classmethod
def _init_without_validation(cls, value):
instance = cls.__new__(cls)
instance._value = value
return instance
def __repr__(self):
return "<DNSName(value={0!r})>".format(self.value)
def __eq__(self, other):
if not isinstance(other, DNSName):
return NotImplemented
return self.value == other.value
def __ne__(self, other):
return not self == other
def __hash__(self):
return hash(self.value)
@utils.register_interface(GeneralName)
class UniformResourceIdentifier(object):
def __init__(self, value):
if isinstance(value, six.text_type):
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
value = utils.read_only_property("_value")
@classmethod
def _init_without_validation(cls, value):
instance = cls.__new__(cls)
instance._value = value
return instance
def __repr__(self):
return "<UniformResourceIdentifier(value={0!r})>".format(self.value)
def __eq__(self, other):
if not isinstance(other, UniformResourceIdentifier):
return NotImplemented
return self.value == other.value
def __ne__(self, other):
return not self == other
def __hash__(self):
return hash(self.value)
@utils.register_interface(GeneralName)
class DirectoryName(object):
def __init__(self, value):
if not isinstance(value, Name):
raise TypeError("value must be a Name")
self._value = value
value = utils.read_only_property("_value")
def __repr__(self):
return "<DirectoryName(value={})>".format(self.value)
def __eq__(self, other):
if not isinstance(other, DirectoryName):
return NotImplemented
return self.value == other.value
def __ne__(self, other):
return not self == other
def __hash__(self):
return hash(self.value)
@utils.register_interface(GeneralName)
class RegisteredID(object):
def __init__(self, value):
if not isinstance(value, ObjectIdentifier):
raise TypeError("value must be an ObjectIdentifier")
self._value = value
value = utils.read_only_property("_value")
def __repr__(self):
return "<RegisteredID(value={})>".format(self.value)
def __eq__(self, other):
if not isinstance(other, RegisteredID):
return NotImplemented
return self.value == other.value
def __ne__(self, other):
return not self == other
def __hash__(self):
return hash(self.value)
@utils.register_interface(GeneralName)
class IPAddress(object):
def __init__(self, value):
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
value = utils.read_only_property("_value")
def __repr__(self):
return "<IPAddress(value={})>".format(self.value)
def __eq__(self, other):
if not isinstance(other, IPAddress):
return NotImplemented
return self.value == other.value
def __ne__(self, other):
return not self == other
def __hash__(self):
return hash(self.value)
@utils.register_interface(GeneralName)
class OtherName(object):
def __init__(self, type_id, value):
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
type_id = utils.read_only_property("_type_id")
value = utils.read_only_property("_value")
def __repr__(self):
return "<OtherName(type_id={}, value={!r})>".format(
self.type_id, self.value
)
def __eq__(self, other):
if not isinstance(other, OtherName):
return NotImplemented
return self.type_id == other.type_id and self.value == other.value
def __ne__(self, other):
return not self == other
def __hash__(self):
return hash((self.type_id, self.value))
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