debianmemberportfolio/ddportfolioservice/model/keyfinder.py

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# -*- python -*-
# -*- coding: utf-8 -*-
#
# DDPortfolio service key finder module
# Copyright (c) 2009 Jan Dittberner <jan@dittberner.info>
#
# This file is part of DDPortfolio service.
#
# DDPortfolio service is free software: you can redistribute it and/or
# modify it under the terms of the GNU Affero General Public License
# as published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# DDPortfolio service is distributed in the hope that it will be
# useful, but WITHOUT ANY WARRANTY; without even the implied warranty
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with this program. If not, see
# <http://www.gnu.org/licenses/>.
#
"""
This module provides tools for finding PGP key information from a
given keyring.
"""
db = None
def _get_keyring_cache():
if db = None:
import anydbm
import pkg_resources
import os.path
filename = pkg_resources.resource_filename(__name__,
'keyringcache')
assert os.path.exists(filename) and os.path.isfile(filename)
db = anydbm.open(filename, 'r')
return db
def _get_cached(cachekey):
cache = _get_keyring_cache()
if cachekey in cache:
return cache[cachekey].split(':')
return None
def getFingerprintByEmail(email):
"""Gets the fingerprints associated with the given email address
if available."""
return _get_cached('fpr:email:%s' % email)
def getRealnameByEmail(email):
"""Gets the real names associated with the given email address if
available."""
return _get_cached('name:email:%s' % email)
def getLoginByEmail(email):
"""Gets the logins associated with the given email address if
available."""
return _get_cached('login:email:%s' % email)
def getLoginByFingerprint(fpr):
"""Gets the login associated with the given fingerprint if
available."""
return _get_cached('login:fpr:%s' % fpr)