############################################################################
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
############################################################################
from collections import defaultdict
from . import dnskey
import os
import glob
########################################################################
# Class keydict
########################################################################
class keydict:
""" A dictionary of keys, indexed by name, algorithm, and key id """
_keydict = defaultdict(lambda: defaultdict(dict))
_defttl = None
_missing = []
def __init__(self, dp=None, **kwargs):
self._defttl = kwargs.get('keyttl', None)
zones = kwargs.get('zones', None)
if not zones:
path = kwargs.get('path',None) or '.'
self.readall(path)
else:
for zone in zones:
if 'path' in kwargs and kwargs['path'] is not None:
path = kwargs['path']
else:
path = dp and dp.policy(zone).directory or '.'
if not self.readone(path, zone):
self._missing.append(zone)
def readall(self, path):
files = glob.glob(os.path.join(path, '*.private'))
for infile in files:
key = dnskey(infile, path, self._defttl)
self._keydict[key.name][key.alg][key.keyid] = key
def readone(self, path, zone):
if not zone.endswith('.'):
zone += '.'
match='K' + zone + '+*.private'
files = glob.glob(os.path.join(path, match))
found = False
for infile in files:
key = dnskey(infile, path, self._defttl)
if key.fullname != zone: # shouldn't ever happen
continue
keyname=key.name if zone != '.' else '.'
self._keydict[keyname][key.alg][key.keyid] = key
found = True
return found
def __iter__(self):
for zone, algorithms in self._keydict.items():
for alg, keys in algorithms.items():
for key in keys.values():
yield key
def __getitem__(self, name):
return self._keydict[name]
def zones(self):
return (self._keydict.keys())
def algorithms(self, zone):
return (self._keydict[zone].keys())
def keys(self, zone, alg):
return (self._keydict[zone][alg].keys())
def missing(self):
return (self._missing)
