forked from jan/debianmemberportfolio
110 lines
3.1 KiB
Python
110 lines
3.1 KiB
Python
# -*- python -*-
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# -*- coding: utf-8 -*-
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#
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# DDPortfolio service key finder module
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# Copyright (c) 2009, 2010, 2011, 2012 Jan Dittberner <jan@dittberner.info>
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#
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# This file is part of DDPortfolio service.
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#
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# DDPortfolio service is free software: you can redistribute it and/or
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# modify it under the terms of the GNU Affero General Public License
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# as published by the Free Software Foundation, either version 3 of
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# the License, or (at your option) any later version.
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#
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# DDPortfolio service is distributed in the hope that it will be
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# useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public
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# License along with this program. If not, see
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# <http://www.gnu.org/licenses/>.
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#
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"""
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This module provides tools for finding PGP key information from a
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given keyring.
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"""
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import logging
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import time
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import sys
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db = None
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cachetimestamp = 0
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def _get_keyring_cache():
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global db, cachetimestamp
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if db is None or (time.time() - cachetimestamp) > 86300:
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import anydbm
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import pkg_resources
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import os.path
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filename = pkg_resources.resource_filename(__name__,
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'keyringcache')
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logging.debug('reading cache data from %s', filename)
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assert os.path.exists(filename) and os.path.isfile(filename)
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db = anydbm.open(filename, 'r')
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cachetimestamp = time.time()
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return db
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def _get_cached(cachekey):
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cache = _get_keyring_cache()
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logging.debug('cache lookup for %s', cachekey)
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if cachekey in cache:
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logging.debug('found entry %s', cache[cachekey])
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return cache[cachekey]
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return None
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def getFingerprintByEmail(email):
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"""
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Gets the fingerprints associated with the given email address if
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available.
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"""
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return _get_cached('fpr:email:%s' % email)
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def getRealnameByEmail(email):
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"""
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Gets the real names associated with the given email address if
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available.
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"""
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return _get_cached('name:email:%s' % email)
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def getLoginByEmail(email):
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"""
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Gets the logins associated with the given email address if
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available.
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"""
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return _get_cached('login:email:%s' % email)
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def getLoginByFingerprint(fpr):
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"""
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Gets the login associated with the given fingerprint if available.
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"""
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return _get_cached('login:fpr:%s' % fpr)
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def _dump_cache():
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cache = _get_keyring_cache()
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fprs = []
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for key in cache.keys():
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if key.startswith('email:fpr:'):
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fpr = key.replace('email:fpr:', '')
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if not fpr in fprs:
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fprs.append(fpr)
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for fpr in fprs:
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login = getLoginByFingerprint(fpr)
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email = _get_cached('email:fpr:%s' % fpr)
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name = _get_cached('name:fpr:%s' % fpr)
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print fpr, login, ':'
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print ' ', name, email
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if __name__ == '__main__':
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logging.basicConfig(stream=sys.stderr, level=logging.WARNING)
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_dump_cache()
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