mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-11-27 01:08:12 +01:00
78 lines
2.4 KiB
Python
78 lines
2.4 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.
|
||
|
|
|
||
|
|
from __future__ import absolute_import, division, print_function
|
||
|
|
|
||
|
|
from cryptography import utils
|
||
|
|
|
||
|
|
|
||
|
|
class ObjectIdentifier(object):
|
||
|
|
def __init__(self, dotted_string):
|
||
|
|
self._dotted_string = dotted_string
|
||
|
|
|
||
|
|
nodes = self._dotted_string.split(".")
|
||
|
|
intnodes = []
|
||
|
|
|
||
|
|
# There must be at least 2 nodes, the first node must be 0..2, and
|
||
|
|
# if less than 2, the second node cannot have a value outside the
|
||
|
|
# range 0..39. All nodes must be integers.
|
||
|
|
for node in nodes:
|
||
|
|
try:
|
||
|
|
node_value = int(node, 10)
|
||
|
|
except ValueError:
|
||
|
|
raise ValueError(
|
||
|
|
"Malformed OID: %s (non-integer nodes)"
|
||
|
|
% (self._dotted_string)
|
||
|
|
)
|
||
|
|
if node_value < 0:
|
||
|
|
raise ValueError(
|
||
|
|
"Malformed OID: %s (negative-integer nodes)"
|
||
|
|
% (self._dotted_string)
|
||
|
|
)
|
||
|
|
intnodes.append(node_value)
|
||
|
|
|
||
|
|
if len(nodes) < 2:
|
||
|
|
raise ValueError(
|
||
|
|
"Malformed OID: %s (insufficient number of nodes)"
|
||
|
|
% (self._dotted_string)
|
||
|
|
)
|
||
|
|
|
||
|
|
if intnodes[0] > 2:
|
||
|
|
raise ValueError(
|
||
|
|
"Malformed OID: %s (first node outside valid range)"
|
||
|
|
% (self._dotted_string)
|
||
|
|
)
|
||
|
|
|
||
|
|
if intnodes[0] < 2 and intnodes[1] >= 40:
|
||
|
|
raise ValueError(
|
||
|
|
"Malformed OID: %s (second node outside valid range)"
|
||
|
|
% (self._dotted_string)
|
||
|
|
)
|
||
|
|
|
||
|
|
def __eq__(self, other):
|
||
|
|
if not isinstance(other, ObjectIdentifier):
|
||
|
|
return NotImplemented
|
||
|
|
|
||
|
|
return self.dotted_string == other.dotted_string
|
||
|
|
|
||
|
|
def __ne__(self, other):
|
||
|
|
return not self == other
|
||
|
|
|
||
|
|
def __repr__(self):
|
||
|
|
return "<ObjectIdentifier(oid={}, name={})>".format(
|
||
|
|
self.dotted_string, self._name
|
||
|
|
)
|
||
|
|
|
||
|
|
def __hash__(self):
|
||
|
|
return hash(self.dotted_string)
|
||
|
|
|
||
|
|
@property
|
||
|
|
def _name(self):
|
||
|
|
# Lazy import to avoid an import cycle
|
||
|
|
from cryptography.x509.oid import _OID_NAMES
|
||
|
|
|
||
|
|
return _OID_NAMES.get(self, "Unknown OID")
|
||
|
|
|
||
|
|
dotted_string = utils.read_only_property("_dotted_string")
|