Mercurial > libervia-backend
view sat/plugins/plugin_xep_0352.py @ 3813:1a10b8b4f169
core (memory/sqla): `session_add` must have a default value in `delete`
author | Goffi <goffi@goffi.org> |
---|---|
date | Wed, 29 Jun 2022 10:16:03 +0200 |
parents | be6d91572633 |
children | 524856bd7b19 |
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#!/usr/bin/env python3 # SAT plugin for Explicit Message Encryption # 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 twisted.words.xish import domish from sat.core.i18n import _, D_ from sat.core.constants import Const as C from sat.core.log import getLogger log = getLogger(__name__) PLUGIN_INFO = { C.PI_NAME: "Client State Indication", C.PI_IMPORT_NAME: "XEP-0352", C.PI_TYPE: C.PLUG_TYPE_XEP, C.PI_PROTOCOLS: ["XEP-0352"], C.PI_DEPENDENCIES: [], C.PI_MAIN: "XEP_0352", C.PI_HANDLER: "no", C.PI_DESCRIPTION: D_("Notify server when frontend is not actively used, to limit " "traffic and save bandwidth and battery life"), } NS_CSI = "urn:xmpp:csi:0" class XEP_0352(object): def __init__(self, host): log.info(_("Client State Indication plugin initialization")) self.host = host host.registerNamespace("csi", NS_CSI) def isActive(self, client): try: if not client._xep_0352_enabled: return True return client._xep_0352_active except AttributeError: # _xep_0352_active can not be set if isActive is called before # profileConnected has been called log.debug("isActive called when XEP-0352 plugin has not yet set the " "attributes") return True def profileConnected(self, client): if (NS_CSI, 'csi') in client.xmlstream.features: log.info(_("Client State Indication is available on this server")) client._xep_0352_enabled = True client._xep_0352_active = True else: log.warning(_("Client State Indication is not available on this server, some" " bandwidth optimisations can't be used.")) client._xep_0352_enabled = False def setInactive(self, client): if self.isActive(client): inactive_elt = domish.Element((NS_CSI, 'inactive')) client.send(inactive_elt) client._xep_0352_active = False log.info("inactive state set") def setActive(self, client): if not self.isActive(client): active_elt = domish.Element((NS_CSI, 'active')) client.send(active_elt) client._xep_0352_active = True log.info("active state set")