gajim-plural/gajim/common/modules/pubsub.py

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# Copyright (C) 2006 Tomasz Melcer <liori AT exroot.org>
# Copyright (C) 2006-2014 Yann Leboulanger <asterix AT lagaule.org>
# Copyright (C) 2007 Jean-Marie Traissard <jim AT lapin.org>
# Copyright (C) 2008 Stephan Erb <steve-e AT h3c.de>
# Copyright (C) 2018 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of Gajim.
#
# Gajim is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published
# by the Free Software Foundation; version 3 only.
#
# Gajim 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
# XEP-0060: Publish-Subscribe
import nbxmpp
from gajim.common import app
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from gajim.common.modules import dataforms
from gajim.common.nec import NetworkIncomingEvent
from gajim.common.modules.base import BaseModule
class PubSub(BaseModule):
def __init__(self, con):
BaseModule.__init__(self, con)
self.publish_options = False
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def pass_disco(self, from_, _identities, features, _data, _node):
if nbxmpp.NS_PUBSUB_PUBLISH_OPTIONS not in features:
# Remove stored bookmarks accessible to everyone.
self._con.get_module('Bookmarks').purge_pubsub_bookmarks()
return
self._log.info('Discovered Pubsub publish options: %s', from_)
self.publish_options = True
def send_pb_subscription_query(self, jid, cb, **kwargs):
if not app.account_is_connected(self._account):
return
query = nbxmpp.Iq('get', to=jid)
pb = query.addChild('pubsub', namespace=nbxmpp.NS_PUBSUB)
pb.addChild('subscriptions')
self._con.connection.SendAndCallForResponse(query, cb, kwargs)
def send_pb_subscribe(self, jid, node, cb, **kwargs):
if not app.account_is_connected(self._account):
return
our_jid = app.get_jid_from_account(self._account)
query = nbxmpp.Iq('set', to=jid)
pb = query.addChild('pubsub', namespace=nbxmpp.NS_PUBSUB)
pb.addChild('subscribe', {'node': node, 'jid': our_jid})
self._con.connection.SendAndCallForResponse(query, cb, kwargs)
def send_pb_unsubscribe(self, jid, node, cb, **kwargs):
if not app.account_is_connected(self._account):
return
our_jid = app.get_jid_from_account(self._account)
query = nbxmpp.Iq('set', to=jid)
pb = query.addChild('pubsub', namespace=nbxmpp.NS_PUBSUB)
pb.addChild('unsubscribe', {'node': node, 'jid': our_jid})
self._con.connection.SendAndCallForResponse(query, cb, kwargs)
def send_pb_publish(self, jid, node, item,
id_=None, options=None, cb=None, **kwargs):
if not app.account_is_connected(self._account):
return
if cb is None:
cb = self._default_callback
query = nbxmpp.Iq('set', to=jid)
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pubsub = query.addChild('pubsub', namespace=nbxmpp.NS_PUBSUB)
publish = pubsub.addChild('publish', {'node': node})
attrs = {}
if id_:
attrs = {'id': id_}
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publish.addChild('item', attrs, [item])
if options:
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publish = pubsub.addChild('publish-options')
publish.addChild(node=options)
self._con.connection.SendAndCallForResponse(query, cb, kwargs)
@staticmethod
def get_pb_retrieve_iq(jid, node, item_id=None):
"""
Get IQ to query items from a node
"""
query = nbxmpp.Iq('get', to=jid)
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pubsub = query.addChild('pubsub', namespace=nbxmpp.NS_PUBSUB)
items = pubsub.addChild('items', {'node': node})
if item_id is not None:
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items.addChild('item', {'id': item_id})
return query
def send_pb_retrieve(self, jid, node, item_id=None, cb=None, **kwargs):
"""
Get items from a node
"""
if not app.account_is_connected(self._account):
return
if cb is None:
cb = self._default_callback
query = self.get_pb_retrieve_iq(jid, node, item_id)
self._con.connection.SendAndCallForResponse(query, cb, kwargs)
def send_pb_retract(self, jid, node, id_, cb=None, **kwargs):
"""
Delete item from a node
"""
if not app.account_is_connected(self._account):
return
if cb is None:
cb = self._default_callback
query = nbxmpp.Iq('set', to=jid)
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pubsub = query.addChild('pubsub', namespace=nbxmpp.NS_PUBSUB)
retract = pubsub.addChild('retract', {'node': node, 'notify': '1'})
retract.addChild('item', {'id': id_})
self._con.connection.SendAndCallForResponse(query, cb, kwargs)
def send_pb_purge(self, jid, node, cb=None, **kwargs):
"""
Purge node: Remove all items
"""
if not app.account_is_connected(self._account):
return
if cb is None:
cb = self._default_callback
query = nbxmpp.Iq('set', to=jid)
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pubsub = query.addChild('pubsub', namespace=nbxmpp.NS_PUBSUB_OWNER)
pubsub.addChild('purge', {'node': node})
self._con.connection.SendAndCallForResponse(query, cb, kwargs)
def send_pb_delete(self, jid, node, on_ok=None, on_fail=None):
"""
Delete node
"""
if not app.account_is_connected(self._account):
return
query = nbxmpp.Iq('set', to=jid)
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pubsub = query.addChild('pubsub', namespace=nbxmpp.NS_PUBSUB_OWNER)
pubsub.addChild('delete', {'node': node})
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def response(_con, resp, jid, node):
if resp.getType() == 'result' and on_ok:
on_ok(jid, node)
elif on_fail:
msg = resp.getErrorMsg()
on_fail(jid, node, msg)
self._con.connection.SendAndCallForResponse(
query, response, {'jid': jid, 'node': node})
def send_pb_create(self, jid, node, cb,
configure=False, configure_form=None):
"""
Create a new node
"""
if not app.account_is_connected(self._account):
return
query = nbxmpp.Iq('set', to=jid)
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pubsub = query.addChild('pubsub', namespace=nbxmpp.NS_PUBSUB)
create = pubsub.addChild('create', {'node': node})
if configure:
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conf = create.addChild('configure')
if configure_form is not None:
conf.addChild(node=configure_form)
self._con.connection.SendAndCallForResponse(query, cb)
def send_pb_configure(self, jid, node, form, cb=None, **kwargs):
if not app.account_is_connected(self._account):
return
if cb is None:
cb = self._default_callback
query = nbxmpp.Iq('set', to=jid)
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pubsub = query.addChild('pubsub', namespace=nbxmpp.NS_PUBSUB_OWNER)
configure = pubsub.addChild('configure', {'node': node})
configure.addChild(node=form)
self._log.info('Send node config for %s', node)
self._con.connection.SendAndCallForResponse(query, cb, kwargs)
def request_pb_configuration(self, jid, node):
if not app.account_is_connected(self._account):
return
query = nbxmpp.Iq('get', to=jid)
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pubsub = query.addChild('pubsub', namespace=nbxmpp.NS_PUBSUB_OWNER)
pubsub.addChild('configure', {'node': node})
self._log.info('Request node config for %s', node)
self._con.connection.SendAndCallForResponse(
query, self._received_pb_configuration, {'node': node})
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def _received_pb_configuration(self, _con, stanza, node):
if not nbxmpp.isResultNode(stanza):
self._log.warning('Error: %s', stanza.getError())
return
pubsub = stanza.getTag('pubsub', namespace=nbxmpp.NS_PUBSUB_OWNER)
if pubsub is None:
self._log.warning('Malformed PubSub configure '
'stanza (no pubsub node): %s', stanza)
return
configure = pubsub.getTag('configure')
if configure is None:
self._log.warning('Malformed PubSub configure '
'stanza (no configure node): %s', stanza)
return
if configure.getAttr('node') != node:
self._log.warning('Malformed PubSub configure '
'stanza (wrong node): %s', stanza)
return
form = configure.getTag('x', namespace=nbxmpp.NS_DATA)
if form is None:
self._log.warning('Malformed PubSub configure '
'stanza (no form): %s', stanza)
return
app.nec.push_incoming_event(PubSubConfigReceivedEvent(
None, conn=self._con, node=node,
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form=dataforms.extend_form(node=form)))
def _default_callback(self, _con, stanza, *args, **kwargs):
if not nbxmpp.isResultNode(stanza):
self._log.warning('Error: %s', stanza.getError())
class PubSubConfigReceivedEvent(NetworkIncomingEvent):
name = 'pubsub-config-received'
def get_instance(*args, **kwargs):
return PubSub(*args, **kwargs), 'PubSub'