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"""
Slixmpp: The Slick XMPP Library
Copyright (C) 2020 Mathieu Pasquet <mathieui@mathieui.net>
This file is part of Slixmpp.
See the file LICENSE for copying permission.
"""
from typing import (
Optional,
Set,
)
from slixmpp import JID, Iq
from slixmpp.exceptions import IqError, IqTimeout
from slixmpp.plugins import BasePlugin
from slixmpp.plugins.xep_0405 import stanza
from slixmpp.plugins.xep_0369 import stanza as mix_stanza
BASE_NODES = [
'urn:xmpp:mix:nodes:messages',
'urn:xmpp:mix:nodes:participants',
'urn:xmpp:mix:nodes:info',
]
class XEP_0405(BasePlugin):
'''XEP-0405: MIX-PAM'''
name = 'xep_0405'
description = 'MIX-PAM'
dependencies = {'xep_0369'}
stanza = stanza
namespace = stanza.NS
def plugin_init(self) -> None:
stanza.register_plugins()
async def check_server_capability(self) -> bool:
"""Check if the server is MIX-PAM capable"""
result = await self.xmpp.plugin['xep_0030'].get_info(jid=self.xmpp.boundjid.bare)
features = result['disco_info']['features']
return stanza.NS in features
async def join_channel(self, room: JID, nick: str, subscribe: Optional[Set[str]] = None, *,
ito: Optional[JID] = None,
ifrom: Optional[JID] = None,
**iqkwargs) -> Set[str]:
"""
Join a MIX channel.
:param JID room: JID of the MIX channel
:param str nick: Desired nickname on that channel
:param Set[str] subscribe: Set of nodes to subscribe to when joining.
If empty, all nodes will be subscribed by default.
:rtype: Set[str]
:return: The nodes that failed to subscribe, if any
"""
if subscribe is None:
subscribe = set(BASE_NODES)
if ito is None:
ito = self.xmpp.boundjid.bare
iq = self.xmpp.make_iq_set(ito=ito, ifrom=ifrom)
iq['client_join']['channel'] = room
iq['client_join']['mix_join']['nick'] = nick
for node in subscribe:
sub = mix_stanza.Subscribe()
sub['node'] = node
iq['client_join']['mix_join'].append(sub)
result = await iq.send(**iqkwargs)
result_nodes = {sub['node'] for sub in result['client_join']['mix_join']}
return result_nodes.difference(subscribe)
async def leave_channel(self, room: JID, *,
ito: Optional[JID] = None,
ifrom: Optional[JID] = None,
**iqkwargs) -> Iq:
""""
Leave a MIX channel
:param JID room: JID of the channel to leave
"""
if ito is None:
ito = self.xmpp.boundjid.bare
iq = self.xmpp.make_iq_set(ito=ito, ifrom=ifrom)
iq['client_leave']['channel'] = room
iq['client_leave'].enable('mix_leave')
return await iq.send(**iqkwargs)
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