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#
#-*- coding:utf-8 -*-
"""
Gentoo-keys - config.py
Holds configuration keys and values
@copyright: 2012 by Brian Dolbec <dol-sen@gentoo.org>
@license: GNU GNU GPL2, see COPYING for details.
"""
import os
import sys
# py3.2
if sys.hexversion >= 0x30200f0:
import configparser as ConfigParser
else:
import ConfigParser
from collections import namedtuple
from pyGPG.config import GPGConfig
from gkeys import log
from gkeys.utils import path
logger = log.logger
# establish the eprefix, initially set so eprefixify can
# set it on install
EPREFIX = "@GENTOO_PORTAGE_EPREFIX@"
# check and set it if it wasn't
if "GENTOO_PORTAGE_EPREFIX" in EPREFIX:
EPREFIX = ''
GKEY_STRING = ''' ----------
Name.........: %(name)s
Nick.........: %(nick)s
Keydir.......: %(keydir)s
'''
GKEY_FINGERPRINTS = \
''' Keyid........: %(keyid)s
Fingerprint: %(fingerprint)s
'''
MAPSEEDS = { 'dev' : 'developers.seeds', 'rel': 'release.seeds' }
class GKeysConfig(GPGConfig):
""" Configuration superclass which holds our gentoo-keys
config settings for pygpg """
def __init__(self, config=None, root=None, read_configfile=False):
""" Class initialiser """
GPGConfig.__init__(self)
self.root = root or ''
if config:
self.defaults['config'] = config
self.defaults['configdir'] = os.path.dirname(config)
else:
homedir = os.path.expanduser('~')
self.defaults['configdir'] = homedir
self.defaults['config']= os.path.join(homedir, '.gkeys.conf')
if not os.path.exists(self.defaults['config']):
self.defaults['configdir'] = path([self.root, EPREFIX, '/etc/gkeys'])
self.defaults['config'] = '%(configdir)s/gkeys.conf'
self.configparser = None
self._add_gkey_defaults()
if read_configfile:
self.read_config()
def _add_gkey_defaults(self):
self.defaults['gkeysdir'] = path([self.root, EPREFIX, '/var/lib/gentoo/gkeys'])
self.defaults['dev-keydir'] = '%(gkeysdir)s/devs'
self.defaults['rel-keydir'] = '%(gkeysdir)s/release'
self.defaults['keyring'] = '%(gkeysdir)s/keyring'
self.defaults['overlays-keydir'] = '%(gkeysdir)s/overlays'
self.defaults['sign-keydir'] = '%(gkeysdir)s/sign',
self.defaults['logdir'] = '/var/log/gkeys'
# local directory to scan for seed files installed via ebuild, layman
# or manual install.
self.defaults['seedsdir'] = '%(gkeysdir)s/seeds'
self.defaults['seeds'] = {
'gentoo': '%(seedsdir)s/gentoo.seeds',
'gentoodevs': '%(seedsdir)s/gentoodevs.seeds',
}
self.defaults['keyserver'] = 'pool.sks-keyservers.net'
# NOTE: files is umask mode in octal, directories is chmod mode in octal
self.defaults['permissions'] = {'files': '0o002', 'directories': '0o775',}
self.defaults['seedurls'] = {
'gentoo.seeds': 'https://api.gentoo.org/gentoo-keys/seeds/gentoo.seeds',
'gentoodevs.seeds': 'https://api.gentoo.org/gentoo-keys/seeds/gentoodevs.seeds',
'gkey': 'gkeys',
}
self.defaults['sign'] = {
'key': 'fingerprint',
'keydir': '~/.gkeys',
'keyring': None,
'type': 'clearsign',
}
def read_config(self):
'''Reads the config file into memory
'''
if "%(configdir)s" in self.defaults['config']:
# fix the config path
self.defaults['config'] = self.defaults['config'] \
% {'configdir': self.defaults['configdir']}
defaults = self.get_defaults()
# remove some defaults from being entered into the configparser
for key in ['gpg_defaults', 'only_usable', 'refetch', 'tasks']:
defaults.pop(key)
self.configparser = ConfigParser.ConfigParser(defaults)
self.configparser.read(defaults['config'])
def get_key(self, key, subkey=None):
return self._get_(key, subkey)
def _get_(self, key, subkey=None):
if subkey:
if self.configparser and self.configparser.has_option(key, subkey):
if logger:
logger.debug("Found %s in configparser... %s"
% (key, str(self.configparser.get(key, subkey))))
return self._sub_(self.configparser.get(key, subkey))
#print("CONFIG: key, subkey", key, subkey)
if key in self.options and subkey in self.options[key]:
return self._sub_(self.options[key][subkey])
elif key in self.defaults and subkey in self.defaults[key]:
return self._sub_(self.defaults[key][subkey])
else:
return super(GKeysConfig, self)._get_(key, subkey)
elif self.configparser and self.configparser.has_option('DEFAULT', key):
if logger:
logger.debug("Found %s in configparser... %s"
% (key, str(self.configparser.get('DEFAULT', key))))
#logger.debug("type(key)= %s"
# % str(type(self.configparser.get('DEFAULT', key))))
return self.configparser.get('DEFAULT', key)
else:
return super(GKeysConfig, self)._get_(key, subkey)
class GKEY(namedtuple('GKEY', ['nick', 'name', 'keydir', 'fingerprint'])):
'''Class to hold the relavent info about a key'''
field_types = {'nick': str, 'name': str, 'keydir': str, 'fingerprint': list}
__slots__ = ()
@property
def keyid(self):
'''Keyid is a substring value of the fingerprint'''
return ['0x' + x[-16:] for x in self.fingerprint]
@property
def pretty_print(self):
'''Pretty printing a GKEY'''
gkey = {'name': self.name, 'nick': self.nick, 'keydir': self.keydir}
output = GKEY_STRING % gkey
for f in self.fingerprint:
fingerprint = {'fingerprint': f, 'keyid': '0x' + f[-16:]}
output += GKEY_FINGERPRINTS % fingerprint
return output
class GKEY_CHECK(namedtuple('GKEY_CHECK', ['keyid', 'revoked', 'expired', 'invalid', 'sign'])):
__slots__ = ()
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