76 lines
2.0 KiB
Python
76 lines
2.0 KiB
Python
# Copyright (C) 2019 Philipp Hörist <philipp AT hoerist.com>
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#
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# This file is part of the OpenPGP Gajim Plugin.
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#
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# OpenPGP Gajim Plugin is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published
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# by the Free Software Foundation; version 3 only.
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#
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# OpenPGP Gajim Plugin is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with OpenPGP Gajim Plugin. If not, see <http://www.gnu.org/licenses/>.
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from enum import IntEnum
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from collections import namedtuple
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from nbxmpp.namespaces import Namespace
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ENCRYPTION_NAME = 'OpenPGP'
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NOT_ENCRYPTED_TAGS = [
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('no-store', Namespace.HINTS),
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('store', Namespace.HINTS),
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('no-copy', Namespace.HINTS),
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('no-permanent-store', Namespace.HINTS),
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('origin-id', Namespace.SID),
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('thread', None)
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]
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Key = namedtuple('Key', 'fingerprint date')
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class Trust(IntEnum):
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NOT_TRUSTED = 0
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UNKNOWN = 1
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BLIND = 2
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VERIFIED = 3
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def prepare_stanza(stanza, payload):
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delete_nodes(stanza, 'openpgp', Namespace.OPENPGP)
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delete_nodes(stanza, 'body')
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nodes = [(node.getName(), node.getNamespace()) for node in payload]
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for name, namespace in nodes:
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delete_nodes(stanza, name, namespace)
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for node in payload:
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stanza.addChild(node=node)
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def delete_nodes(stanza, name, namespace=None):
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attrs = None
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if namespace is not None:
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attrs = {'xmlns': Namespace.OPENPGP}
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nodes = stanza.getTags(name, attrs)
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for node in nodes:
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stanza.delChild(node)
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def add_additional_data(data, fingerprint):
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data['encrypted'] = {'name': ENCRYPTION_NAME,
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'fingerprint': fingerprint}
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class VerifyFailed(Exception):
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pass
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class DecryptionFailed(Exception):
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pass
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