forked from jan/debianmemberportfolio
Jan Dittberner
421f2c5273
- update copyright years - replace "DDPortfolio service" in file headers with "Debian Member Portfolio Service"
109 lines
3.1 KiB
Python
109 lines
3.1 KiB
Python
# -*- python -*-
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# -*- coding: utf-8 -*-
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#
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# Debian Member Portfolio Service key finder module
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# Copyright (c) 2009-2014 Jan Dittberner <jan@dittberner.info>
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#
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# This file is part of Debian Member Portfolio Service.
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#
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# Debian Member Portfolio Service is free software: you can redistribute it
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# and/or modify it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the License,
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# or (at your option) any later version.
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#
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# Debian Member Portfolio Service is distributed in the hope that it will be
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# useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero
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# 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 <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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