view sat/plugins/plugin_xep_0049.py @ 3101:ab7e8ade848a

plugin XEP-0045: added room statuses to metadata: room statuses are now sent with other metadata on bridge signals, and saved in Room instance. They give useful data on the room, for instance they can be used to know if a full jid is used in this room.
author Goffi <goffi@goffi.org>
date Mon, 30 Dec 2019 20:44:02 +0100
parents ab2696e34d29
children 9d0df638c8b4
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# SAT plugin for managing xep-0049
# Copyright (C) 2009-2019 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 sat.core.i18n import _
from sat.core.constants import Const as C
from sat.core.log import getLogger

log = getLogger(__name__)
from wokkel import compat
from twisted.words.xish import domish


PLUGIN_INFO = {
    C.PI_NAME: "XEP-0049 Plugin",
    C.PI_IMPORT_NAME: "XEP-0049",
    C.PI_TYPE: "XEP",
    C.PI_PROTOCOLS: ["XEP-0049"],
    C.PI_DEPENDENCIES: [],
    C.PI_MAIN: "XEP_0049",
    C.PI_HANDLER: "no",
    C.PI_DESCRIPTION: _("""Implementation of private XML storage"""),
}


class XEP_0049(object):
    NS_PRIVATE = "jabber:iq:private"

    def __init__(self, host):
        log.info(_("Plugin XEP-0049 initialization"))
        self.host = host

    def privateXMLStore(self, element, profile_key):
        """Store private data
        @param element: domish.Element to store (must have a namespace)
        @param profile_key: %(doc_profile_key)s

        """
        assert isinstance(element, domish.Element)
        client = self.host.getClient(profile_key)
        # XXX: feature announcement in disco#info is not mandatory in XEP-0049, so we have to try to use private XML, and react according to the answer
        iq_elt = compat.IQ(client.xmlstream)
        query_elt = iq_elt.addElement("query", XEP_0049.NS_PRIVATE)
        query_elt.addChild(element)
        return iq_elt.send()

    def privateXMLGet(self, node_name, namespace, profile_key):
        """Store private data
        @param node_name: name of the node to get
        @param namespace: namespace of the node to get
        @param profile_key: %(doc_profile_key)s
        @return (domish.Element): a deferred which fire the stored data

        """
        client = self.host.getClient(profile_key)
        # XXX: see privateXMLStore note about feature checking
        iq_elt = compat.IQ(client.xmlstream, "get")
        query_elt = iq_elt.addElement("query", XEP_0049.NS_PRIVATE)
        query_elt.addElement(node_name, namespace)

        def getCb(answer_iq_elt):
            answer_query_elt = next(answer_iq_elt.elements(XEP_0049.NS_PRIVATE, "query"))
            return answer_query_elt.firstChildElement()

        d = iq_elt.send()
        d.addCallback(getCb)
        return d