Mercurial > libervia-backend
view libervia/backend/plugins/plugin_xep_0428.py @ 4189:04cd749de818
docker (backend-dev-demo): command renaming + add a bookmark to avoid empty chat
author | Goffi <goffi@goffi.org> |
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date | Mon, 11 Dec 2023 00:54:01 +0100 |
parents | a1f7040b5a15 |
children | 0d7bb4df2343 |
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#!/usr/bin/env python3 # Copyright (C) 2009-2022 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero 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 Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. from typing import Optional from twisted.words.protocols.jabber import xmlstream from twisted.words.xish import domish from wokkel import disco from zope.interface import implementer from libervia.backend.core.constants import Const as C from libervia.backend.core.i18n import _ from libervia.backend.core.log import getLogger log = getLogger(__name__) PLUGIN_INFO = { C.PI_NAME: "Fallback Indication", C.PI_IMPORT_NAME: "XEP-0428", C.PI_TYPE: "XEP", C.PI_MODES: C.PLUG_MODE_BOTH, C.PI_PROTOCOLS: ["XEP-0428"], C.PI_MAIN: "XEP_0428", C.PI_HANDLER: "yes", C.PI_DESCRIPTION: _("""Implementation of XEP-0428 (Fallback Indication)"""), } NS_FALLBACK = "urn:xmpp:fallback:0" class XEP_0428(object): def __init__(self, host): log.info(_("XEP-0428 (Fallback Indication) plugin initialization")) host.register_namespace("fallback", NS_FALLBACK) def add_fallback_elt( self, message_elt: domish.Element, msg: Optional[str] = None ) -> None: """Add the fallback indication element @param message_elt: <message> element where the indication must be set @param msg: message to show as fallback Will be added as <body> """ message_elt.addElement((NS_FALLBACK, "fallback")) if msg is not None: message_elt.addElement("body", content=msg) def has_fallback(self, message_elt: domish.Element) -> bool: """Tell if a message has a fallback indication""" try: next(message_elt.elements(NS_FALLBACK, "fallback")) except StopIteration: return False else: return True def get_handler(self, __): return XEP_0428_handler() @implementer(disco.IDisco) class XEP_0428_handler(xmlstream.XMPPHandler): def getDiscoInfo(self, __, target, nodeIdentifier=""): return [disco.DiscoFeature(NS_FALLBACK)] def getDiscoItems(self, requestor, target, nodeIdentifier=""): return []