view sat/plugins/plugin_xep_0203.py @ 3124:b86060901278

plugin android: added a `profileAutoconnectGet` method: this method will be called by frontend to know which profile to connect automatically (when the frontend has been closed and is reopened, this will avoid to have to go through the profileManager again).
author Goffi <goffi@goffi.org>
date Sat, 25 Jan 2020 21:08:41 +0100
parents ab2696e34d29
children 9d0df638c8b4
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-

# SAT plugin for Delayed Delivery (XEP-0203)
# Copyright (C) 2009-2019 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 sat.core.i18n import _
from sat.core.constants import Const as C
from sat.core.log import getLogger

log = getLogger(__name__)

from wokkel import disco, iwokkel, delay

try:
    from twisted.words.protocols.xmlstream import XMPPHandler
except ImportError:
    from wokkel.subprotocols import XMPPHandler
from zope.interface import implementer


NS_DD = "urn:xmpp:delay"

PLUGIN_INFO = {
    C.PI_NAME: "Delayed Delivery",
    C.PI_IMPORT_NAME: "XEP-0203",
    C.PI_TYPE: "XEP",
    C.PI_PROTOCOLS: ["XEP-0203"],
    C.PI_MAIN: "XEP_0203",
    C.PI_HANDLER: "yes",
    C.PI_DESCRIPTION: _("""Implementation of Delayed Delivery"""),
}


class XEP_0203(object):
    def __init__(self, host):
        log.info(_("Delayed Delivery plugin initialization"))
        self.host = host

    def getHandler(self, client):
        return XEP_0203_handler(self, client.profile)

    def delay(self, stamp, sender=None, desc="", parent=None):
        """Build a delay element, eventually append it to the given parent element.

        @param stamp (datetime): offset-aware timestamp of the original sending.
        @param sender (JID): entity that originally sent or delayed the message.
        @param desc (unicode): optional natural language description.
        @param parent (domish.Element): add the delay element to this element.
        @return: the delay element (domish.Element)
        """
        elt = delay.Delay(stamp, sender).toElement()
        if desc:
            elt.addContent(desc)
        if parent:
            parent.addChild(elt)
        return elt


@implementer(iwokkel.IDisco)
class XEP_0203_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(NS_DD)]

    def getDiscoItems(self, requestor, target, nodeIdentifier=""):
        return []