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# Copyright (C) 2018 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# This program 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; 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; If not, see <http://www.gnu.org/licenses/>.
from nbxmpp.protocol import Error as ErrorStanza
from nbxmpp.protocol import ERR_BAD_REQUEST
from nbxmpp.protocol import NodeProcessed
from nbxmpp.structs import StanzaHandler
from nbxmpp.util import error_factory
from nbxmpp.const import PresenceType
from nbxmpp.const import PresenceShow
from nbxmpp.modules.base import BaseModule
class BasePresence(BaseModule):
def __init__(self, client):
BaseModule.__init__(self, client)
self._client = client
self.handlers = [
StanzaHandler(name='presence',
callback=self._process_presence_base,
priority=10),
]
def _process_presence_base(self, _client, stanza, properties):
properties.type = self._parse_type(stanza)
properties.priority = self._parse_priority(stanza)
properties.show = self._parse_show(stanza)
properties.jid = stanza.getFrom()
properties.id = stanza.getID()
properties.status = stanza.getStatus()
if properties.type.is_error:
properties.error = error_factory(stanza)
own_jid = self._client.get_bound_jid()
properties.self_presence = own_jid == properties.jid
properties.self_bare = properties.jid.bare_match(own_jid)
def _parse_priority(self, stanza):
priority = stanza.getPriority()
if priority is None:
return 0
try:
priority = int(priority)
except Exception:
self._log.warning('Invalid priority value: %s', priority)
self._log.warning(stanza)
return 0
if priority not in range(-129, 128):
self._log.warning('Invalid priority value: %s', priority)
self._log.warning(stanza)
return 0
return priority
def _parse_type(self, stanza):
type_ = stanza.getType()
try:
return PresenceType(type_)
except ValueError:
self._log.warning('Presence with invalid type received')
self._log.warning(stanza)
self._client.send_stanza(ErrorStanza(stanza, ERR_BAD_REQUEST))
raise NodeProcessed
def _parse_show(self, stanza):
show = stanza.getShow()
if show is None:
return PresenceShow.ONLINE
try:
return PresenceShow(stanza.getShow())
except ValueError:
self._log.warning('Presence with invalid show')
self._log.warning(stanza)
return PresenceShow.ONLINE
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