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

165 lines
5.0 KiB
Python

# 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 logging
import datetime
import time
import nbxmpp
from gajim.common import app
from gajim.common.nec import NetworkIncomingEvent
log = logging.getLogger('gajim.c.m.entity_time')
ZERO = datetime.timedelta(0)
class EntityTime:
def __init__(self, con):
self._con = con
self._account = con.name
self.handlers = [
('iq', self._answer_request, 'get', nbxmpp.NS_TIME_REVISED),
]
def request_entity_time(self, jid, resource):
if not app.account_is_connected(self._account):
return
# If we are invisible, do not request
if self._con.connected == app.SHOW_LIST.index('invisible'):
return
if resource:
jid += '/' + resource
iq = nbxmpp.Iq(to=jid, typ='get')
iq.addChild('time', namespace=nbxmpp.NS_TIME_REVISED)
log.info('Requested: %s', jid)
self._con.connection.SendAndCallForResponse(iq, self._result_received)
def _result_received(self, stanza):
time_info = None
if not nbxmpp.isResultNode(stanza):
log.info('Error: %s', stanza.getError())
else:
time_info = self._extract_info(stanza)
log.info('Received: %s %s',
stanza.getFrom(), time_info)
app.nec.push_incoming_event(
TimeResultReceivedEvent(None, conn=self._con,
jid=stanza.getFrom(),
time_info=time_info))
def _extract_info(self, stanza):
time_ = stanza.getTag('time')
if not time_:
log.warning('No time node: %s', stanza)
return
tzo = time_.getTag('tzo').getData()
if tzo.lower() == 'z':
tzo = '0:0'
try:
tzoh, tzom = tzo.split(':')
except Exception as e:
log.warning('Wrong tzo node: %s', stanza)
return
utc_time = time_.getTag('utc').getData()
if utc_time[-1:] == 'Z':
# Remove the trailing 'Z'
utc_time = utc_time[:-1]
elif utc_time[-6:] == "+00:00":
# Remove the trailing "+00:00"
utc_time = utc_time[:-6]
else:
log.warning('Wrong timezone defintion: %s', utc_time)
return
try:
t = datetime.datetime.strptime(utc_time, '%Y-%m-%dT%H:%M:%S')
except ValueError:
try:
t = datetime.datetime.strptime(utc_time,
'%Y-%m-%dT%H:%M:%S.%f')
except ValueError as e:
log.warning('Wrong time format: %s', e)
return
t = t.replace(tzinfo=UTC())
return t.astimezone(contact_tz(tzoh, tzom)).strftime('%c')
def _answer_request(self, con, stanza):
log.info('%s asked for the time', stanza.getFrom())
if app.config.get_per('accounts', self._account, 'send_time_info'):
iq = stanza.buildReply('result')
time_ = iq.setTag('time', namespace=nbxmpp.NS_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))
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)
log.info('Send service-unavailable')
self._con.connection.send(iq)
raise nbxmpp.NodeProcessed
class TimeResultReceivedEvent(NetworkIncomingEvent):
name = 'time-result-received'
base_network_events = []
def generate(self):
return True
class UTC(datetime.tzinfo):
def utcoffset(self, dt):
return ZERO
def tzname(self, dt):
return "UTC"
def dst(self, dt):
return ZERO
class contact_tz(datetime.tzinfo):
def __init__(self, tzoh, tzom):
self._tzoh = tzoh
self._tzom = tzom
def utcoffset(self, dt):
return datetime.timedelta(hours=int(self._tzoh),
minutes=int(self._tzom))
def tzname(self, dt):
return "remote timezone"
def dst(self, dt):
return ZERO