Mercurial > libervia-backend
view libervia/backend/plugins/plugin_xep_0261.py @ 4242:8acf46ed7f36
frontends: remote control implementation:
This is the frontends common part of remote control implementation. It handle the creation
of WebRTC session, and management of inputs. For now the reception use freedesktop.org
Desktop portal, and works mostly with Wayland based Desktop Environments.
rel 436
author | Goffi <goffi@goffi.org> |
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date | Sat, 11 May 2024 13:52:43 +0200 |
parents | e11b13418ba6 |
children | 0d7bb4df2343 |
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#!/usr/bin/env python3 # SAT plugin for Jingle (XEP-0261) # Copyright (C) 2009-2021 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 libervia.backend.core.i18n import _ from libervia.backend.core.constants import Const as C from libervia.backend.core.log import getLogger from libervia.backend.plugins.plugin_xep_0166.models import BaseTransportHandler log = getLogger(__name__) from wokkel import disco, iwokkel from zope.interface import implementer from twisted.words.xish import domish import uuid try: from twisted.words.protocols.xmlstream import XMPPHandler except ImportError: from wokkel.subprotocols import XMPPHandler NS_JINGLE_IBB = "urn:xmpp:jingle:transports:ibb:1" PLUGIN_INFO = { C.PI_NAME: "Jingle In-Band Bytestreams", C.PI_IMPORT_NAME: "XEP-0261", C.PI_TYPE: "XEP", C.PI_MODES: C.PLUG_MODE_BOTH, C.PI_PROTOCOLS: ["XEP-0261"], C.PI_DEPENDENCIES: ["XEP-0166", "XEP-0047"], C.PI_MAIN: "XEP_0261", C.PI_HANDLER: "yes", C.PI_DESCRIPTION: _("""Implementation of Jingle In-Band Bytestreams"""), } class XEP_0261(BaseTransportHandler): NAMESPACE = NS_JINGLE_IBB # used by XEP-0260 plugin for transport-replace def __init__(self, host): log.info(_("plugin Jingle In-Band Bytestreams")) self.host = host self._j = host.plugins["XEP-0166"] # shortcut to access jingle self._ibb = host.plugins["XEP-0047"] # and in-band bytestream self._j.register_transport( NS_JINGLE_IBB, self._j.TRANSPORT_STREAMING, self, -10000 ) # must be the lowest priority def get_handler(self, client): return XEP_0261_handler() def jingle_session_init(self, client, session, content_name): transport_elt = domish.Element((NS_JINGLE_IBB, "transport")) content_data = session["contents"][content_name] transport_data = content_data["transport_data"] transport_data["block_size"] = self._ibb.BLOCK_SIZE transport_elt["block-size"] = str(transport_data["block_size"]) transport_elt["sid"] = transport_data["sid"] = str(uuid.uuid4()) return transport_elt def jingle_handler(self, client, action, session, content_name, transport_elt): content_data = session["contents"][content_name] transport_data = content_data["transport_data"] if action in ( self._j.A_SESSION_ACCEPT, self._j.A_ACCEPTED_ACK, self._j.A_TRANSPORT_ACCEPT, ): pass elif action in (self._j.A_SESSION_INITIATE, self._j.A_TRANSPORT_REPLACE): transport_data["sid"] = transport_elt["sid"] elif action in (self._j.A_START, self._j.A_PREPARE_RESPONDER): local_jid = session["local_jid"] peer_jid = session["peer_jid"] sid = transport_data["sid"] stream_object = content_data["stream_object"] if action == self._j.A_START: block_size = transport_data["block_size"] d = self._ibb.start_stream( client, stream_object, local_jid, peer_jid, sid, block_size ) d.chainDeferred(content_data["finished_d"]) else: d = self._ibb.create_session( client, stream_object, local_jid, peer_jid, sid) d.chainDeferred(content_data["finished_d"]) else: log.warning("FIXME: unmanaged action {}".format(action)) return transport_elt @implementer(iwokkel.IDisco) class XEP_0261_handler(XMPPHandler): def getDiscoInfo(self, requestor, target, nodeIdentifier=""): return [disco.DiscoFeature(NS_JINGLE_IBB)] def getDiscoItems(self, requestor, target, nodeIdentifier=""): return []