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Diffstat (limited to 'src/leap/mx/tcp_map.py')
-rw-r--r-- | src/leap/mx/tcp_map.py | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/leap/mx/tcp_map.py b/src/leap/mx/tcp_map.py new file mode 100644 index 0000000..b7066ff --- /dev/null +++ b/src/leap/mx/tcp_map.py @@ -0,0 +1,76 @@ +#!/usr/bin/env python +# -*- encoding: utf-8 -*- +# tcpmap.py +# Copyright (C) 2015 LEAP +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program 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 General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + + +from twisted.python import log +from twisted.internet import defer +from twisted.internet.protocol import ServerFactory + + +# For info on codes, see: http://www.postfix.org/tcp_table.5.html +TCP_MAP_CODE_SUCCESS = 200 +TCP_MAP_CODE_TEMPORARY_FAILURE = 400 +TCP_MAP_CODE_PERMANENT_FAILURE = 500 + + +class LEAPPostfixTCPMapServerFactory(ServerFactory): + """ + A factory for postfix tcp map servers. + """ + + def __init__(self, couchdb): + """ + Initialize the factory. + + :param couchdb: A CouchDB client. + :type couchdb: leap.mx.couchdbhelper.ConnectedCouchDB + """ + self._cdb = couchdb + + def _getPubKey(self, uuid): + """ + Look up PGP public key based on user uid. + + :param uuid: The user uid. + :type uuid: str + + :return: A deferred that is fired with the uuid and the public key, if + available. + :rtype: DeferredList + """ + if uuid is None: + return defer.succeed([None, None]) + return defer.gatherResults([ + defer.succeed(uuid), + self._cdb.getPubKey(uuid), + ]) + + def get(self, key): + """ + Look up uuid based on key, only up to the username id of the key. + + At some point we will have to consider the domain part too. + + :param key: The lookup key. + :type key: str + """ + log.msg("Query key: %s" % (key,)) + d = self._cdb.queryByAddress(key) + d.addCallback(self._getPubKey) + d.addErrback(log.err) + return d |