165 lines
5.0 KiB
Python
165 lines
5.0 KiB
Python
# This file is part of Gajim.
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#
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# Gajim is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published
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# by the Free Software Foundation; version 3 only.
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#
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# Gajim is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
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# XEP-0202: Entity Time
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import logging
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import datetime
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import time
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import nbxmpp
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from gajim.common import app
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from gajim.common.nec import NetworkIncomingEvent
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log = logging.getLogger('gajim.c.m.entity_time')
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ZERO = datetime.timedelta(0)
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class EntityTime:
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def __init__(self, con):
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self._con = con
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self._account = con.name
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self.handlers = [
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('iq', self._answer_request, 'get', nbxmpp.NS_TIME_REVISED),
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]
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def request_entity_time(self, jid, resource):
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if not app.account_is_connected(self._account):
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return
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# If we are invisible, do not request
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if self._con.connected == app.SHOW_LIST.index('invisible'):
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return
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if resource:
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jid += '/' + resource
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iq = nbxmpp.Iq(to=jid, typ='get')
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iq.addChild('time', namespace=nbxmpp.NS_TIME_REVISED)
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log.info('Requested: %s', jid)
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self._con.connection.SendAndCallForResponse(iq, self._result_received)
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def _result_received(self, stanza):
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time_info = None
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if not nbxmpp.isResultNode(stanza):
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log.info('Error: %s', stanza.getError())
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else:
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time_info = self._extract_info(stanza)
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log.info('Received: %s %s',
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stanza.getFrom(), time_info)
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app.nec.push_incoming_event(
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TimeResultReceivedEvent(None, conn=self._con,
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jid=stanza.getFrom(),
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time_info=time_info))
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def _extract_info(self, stanza):
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time_ = stanza.getTag('time')
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if not time_:
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log.warning('No time node: %s', stanza)
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return
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tzo = time_.getTag('tzo').getData()
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if tzo.lower() == 'z':
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tzo = '0:0'
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try:
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tzoh, tzom = tzo.split(':')
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except Exception as e:
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log.warning('Wrong tzo node: %s', stanza)
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return
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utc_time = time_.getTag('utc').getData()
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if utc_time[-1:] == 'Z':
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# Remove the trailing 'Z'
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utc_time = utc_time[:-1]
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elif utc_time[-6:] == "+00:00":
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# Remove the trailing "+00:00"
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utc_time = utc_time[:-6]
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else:
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log.warning('Wrong timezone defintion: %s', utc_time)
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return
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try:
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t = datetime.datetime.strptime(utc_time, '%Y-%m-%dT%H:%M:%S')
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except ValueError:
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try:
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t = datetime.datetime.strptime(utc_time,
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'%Y-%m-%dT%H:%M:%S.%f')
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except ValueError as e:
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log.warning('Wrong time format: %s', e)
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return
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t = t.replace(tzinfo=UTC())
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return t.astimezone(contact_tz(tzoh, tzom)).strftime('%c')
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def _answer_request(self, con, stanza):
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log.info('%s asked for the time', stanza.getFrom())
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if app.config.get_per('accounts', self._account, 'send_time_info'):
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iq = stanza.buildReply('result')
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time_ = iq.setTag('time', namespace=nbxmpp.NS_TIME_REVISED)
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formated_time = time.strftime('%Y-%m-%dT%H:%M:%SZ', time.gmtime())
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time_.setTagData('utc', formated_time)
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isdst = time.localtime().tm_isdst
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zone = -(time.timezone, time.altzone)[isdst] / 60.0
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tzo = (zone / 60, abs(zone % 60))
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time_.setTagData('tzo', '%+03d:%02d' % (tzo))
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log.info('Answer: %s %s', formated_time, '%+03d:%02d' % (tzo))
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else:
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iq = stanza.buildReply('error')
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err = nbxmpp.ErrorNode(nbxmpp.ERR_SERVICE_UNAVAILABLE)
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iq.addChild(node=err)
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log.info('Send service-unavailable')
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self._con.connection.send(iq)
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raise nbxmpp.NodeProcessed
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class TimeResultReceivedEvent(NetworkIncomingEvent):
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name = 'time-result-received'
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base_network_events = []
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def generate(self):
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return True
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class UTC(datetime.tzinfo):
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def utcoffset(self, dt):
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return ZERO
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def tzname(self, dt):
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return "UTC"
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def dst(self, dt):
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return ZERO
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class contact_tz(datetime.tzinfo):
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def __init__(self, tzoh, tzom):
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self._tzoh = tzoh
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self._tzom = tzom
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def utcoffset(self, dt):
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return datetime.timedelta(hours=int(self._tzoh),
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minutes=int(self._tzom))
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def tzname(self, dt):
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return "remote timezone"
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def dst(self, dt):
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return ZERO
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