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# Copyright (C) 2018 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import annotations
from typing import TYPE_CHECKING
from nbxmpp.modules.base import BaseModule
from nbxmpp.namespaces import Namespace
from nbxmpp.protocol import Message
from nbxmpp.structs import EMEData
from nbxmpp.structs import MessageProperties
from nbxmpp.structs import StanzaHandler
if TYPE_CHECKING:
from nbxmpp.client import Client
class EME(BaseModule):
def __init__(self, client: Client) -> None:
BaseModule.__init__(self, client)
self._client = client
self.handlers = [
StanzaHandler(
name="message",
callback=self._process_eme,
ns=Namespace.EME,
priority=40,
)
]
def _process_eme(
self, _client: Client, stanza: Message, properties: MessageProperties
) -> None:
encryption = stanza.getTag("encryption", namespace=Namespace.EME)
if encryption is None:
return
name = encryption.getAttr("name")
namespace = encryption.getAttr("namespace")
if namespace is None:
self._log.warning("No namespace on message")
return
properties.eme = EMEData(name=name, namespace=namespace)
self._log.info("Found data: %s", properties.eme)
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