Mercurial > libervia-backend
view libervia/backend/plugins/plugin_xep_0297.py @ 4294:a0ed5c976bf8 default tip @
component conferences, plugin XEP-0167, XEP-0298: add stream user metadata:
A/V conference now adds user metadata about the stream it is forwarding through XEP-0298.
This is parsed and added to metadata during confirmation on client side.
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author | Goffi <goffi@goffi.org> |
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date | Tue, 06 Aug 2024 23:43:11 +0200 |
parents | 4b842c1fb686 |
children |
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#!/usr/bin/env python3 # SAT plugin for Stanza Forwarding (XEP-0297) # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org) # Copyright (C) 2013-2016 Adrien Cossa (souliane@mailoo.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.constants import Const as C from libervia.backend.core.i18n import _, D_ from libervia.backend.core.log import getLogger from twisted.internet import defer log = getLogger(__name__) from wokkel import disco, iwokkel try: from twisted.words.protocols.xmlstream import XMPPHandler except ImportError: from wokkel.subprotocols import XMPPHandler from zope.interface import implementer from twisted.words.xish import domish PLUGIN_INFO = { C.PI_NAME: "Stanza Forwarding", C.PI_IMPORT_NAME: "XEP-0297", C.PI_TYPE: "XEP", C.PI_PROTOCOLS: ["XEP-0297"], C.PI_MAIN: "XEP_0297", C.PI_HANDLER: "yes", C.PI_DESCRIPTION: D_("""Implementation of Stanza Forwarding"""), } class XEP_0297(object): # FIXME: check this implementation which doesn't seems to be used def __init__(self, host): log.info(_("Stanza Forwarding plugin initialization")) self.host = host def get_handler(self, client): return XEP_0297_handler(self, client.profile) @classmethod def update_uri(cls, element, uri): """Update recursively the element URI. @param element (domish.Element): element to update @param uri (unicode): new URI """ # XXX: we need this because changing the URI of an existing element # containing children doesn't update the children's blank URI. element.uri = uri element.defaultUri = uri for child in element.children: if isinstance(child, domish.Element) and not child.uri: XEP_0297.update_uri(child, uri) def forward(self, stanza, to_jid, stamp, body="", profile_key=C.PROF_KEY_NONE): """Forward a message to the given JID. @param stanza (domish.Element): original stanza to be forwarded. @param to_jid (JID): recipient JID. @param stamp (datetime): offset-aware timestamp of the original reception. @param body (unicode): optional description. @param profile_key (unicode): %(doc_profile_key)s @return: a Deferred when the message has been sent """ # FIXME: this method is not used and doesn't use mess_data which should be used for client.send_message_data # should it be deprecated? A method constructing the element without sending it seems more natural log.warning( "THIS METHOD IS DEPRECATED" ) # FIXME: we use this warning until we check the method msg = domish.Element((None, "message")) msg["to"] = to_jid.full() msg["type"] = stanza["type"] body_elt = domish.Element((None, "body")) if body: body_elt.addContent(body) forwarded_elt = domish.Element((C.NS_FORWARD, "forwarded")) delay_elt = self.host.plugins["XEP-0203"].delay(stamp) forwarded_elt.addChild(delay_elt) if not stanza.uri: # None or '' XEP_0297.update_uri(stanza, "jabber:client") forwarded_elt.addChild(stanza) msg.addChild(body_elt) msg.addChild(forwarded_elt) client = self.host.get_client(profile_key) return defer.ensureDeferred(client.send_message_data({"xml": msg})) @implementer(iwokkel.IDisco) class XEP_0297_handler(XMPPHandler): def __init__(self, plugin_parent, profile): self.plugin_parent = plugin_parent self.host = plugin_parent.host self.profile = profile def getDiscoInfo(self, requestor, target, nodeIdentifier=""): return [disco.DiscoFeature(C.NS_FORWARD)] def getDiscoItems(self, requestor, target, nodeIdentifier=""): return []