gajim3/gajim/common/modules/entity_time.py

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# 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-0202: Entity Time
import time
import nbxmpp
from nbxmpp.namespaces import Namespace
from nbxmpp.structs import StanzaHandler
from nbxmpp.modules.date_and_time import parse_datetime
from nbxmpp.modules.date_and_time import create_tzinfo
from gajim.common import app
from gajim.common.nec import NetworkEvent
from gajim.common.modules.base import BaseModule
class EntityTime(BaseModule):
def __init__(self, con):
BaseModule.__init__(self, con)
self.handlers = [
StanzaHandler(name='iq',
callback=self._answer_request,
typ='get',
ns=Namespace.TIME_REVISED),
]
def request_entity_time(self, jid, resource):
if not app.account_is_available(self._account):
return
if resource:
jid += '/' + resource
iq = nbxmpp.Iq(to=jid, typ='get')
iq.addChild('time', namespace=Namespace.TIME_REVISED)
self._log.info('Requested: %s', jid)
self._con.connection.SendAndCallForResponse(iq, self._result_received)
def _result_received(self, _nbxmpp_client, stanza):
time_info = None
if not nbxmpp.isResultNode(stanza):
self._log.info('Error: %s', stanza.getError())
else:
time_info = self._extract_info(stanza)
self._log.info('Received: %s %s', stanza.getFrom(), time_info)
app.nec.push_incoming_event(NetworkEvent('time-result-received',
conn=self._con,
jid=stanza.getFrom(),
time_info=time_info))
def _extract_info(self, stanza):
time_ = stanza.getTag('time')
if not time_:
self._log.warning('No time node: %s', stanza)
return None
tzo = time_.getTag('tzo').getData()
if not tzo:
self._log.warning('Wrong tzo node: %s', stanza)
return None
remote_tz = create_tzinfo(tz_string=tzo)
if remote_tz is None:
self._log.warning('Wrong tzo node: %s', stanza)
return None
utc_time = time_.getTag('utc').getData()
date_time = parse_datetime(utc_time, check_utc=True)
if date_time is None:
self._log.warning('Wrong timezone definition: %s %s',
utc_time, stanza.getFrom())
return None
date_time = date_time.astimezone(remote_tz)
return date_time.strftime('%c %Z')
def _answer_request(self, _con, stanza, _properties):
self._log.info('%s asked for the time', stanza.getFrom())
if app.settings.get_account_setting(self._account, 'send_time_info'):
iq = stanza.buildReply('result')
time_ = iq.setTag('time', namespace=Namespace.TIME_REVISED)
formated_time = time.strftime('%Y-%m-%dT%H:%M:%SZ', time.gmtime())
time_.setTagData('utc', formated_time)
isdst = time.localtime().tm_isdst
zone = -(time.timezone, time.altzone)[isdst] / 60.0
tzo = (zone / 60, abs(zone % 60))
time_.setTagData('tzo', '%+03d:%02d' % (tzo))
self._log.info('Answer: %s %s', formated_time, '%+03d:%02d' % (tzo))
else:
iq = stanza.buildReply('error')
err = nbxmpp.ErrorNode(nbxmpp.ERR_SERVICE_UNAVAILABLE)
iq.addChild(node=err)
self._log.info('Send service-unavailable')
self._con.connection.send(iq)
raise nbxmpp.NodeProcessed
def get_instance(*args, **kwargs):
return EntityTime(*args, **kwargs), 'EntityTime'