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# -*- coding:utf-8 -*-
#
# Copyright 2010 Le Coz Florent <louizatakk@fedoraproject.org>
#
# This file is part of Poezio.
#
# Poezio 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 of the License.
#
# Poezio 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 Poezio. If not, see <http://www.gnu.org/licenses/>.
"""
Defines the Connection class
"""
from gettext import (bindtextdomain, textdomain, bind_textdomain_codeset,
gettext as _)
import sys
import threading
import xmpp
from config import config
from logging import logger
from handler import Handler
from common import jid_get_node, jid_get_domain, is_jid_the_same
class Connection(threading.Thread):
"""
Receives everything from Jabber and emits the
appropriate signals
"""
def __init__(self, server, resource):
threading.Thread.__init__(self)
self.handler = Handler()
self.daemon = True # exit the program when this thread exits
if config.get('jid', '') == '':
self.server = server
else:
self.server = jid_get_domain(config.get('jid', ''))
self.resource = resource
self.online = 0 # 1:connected, 2:auth confirmed
self.jid = '' # we don't know our jid yet (anon account)
self.port = config.get('port', 5222)
self.client = xmpp.Client(self.server, debug=[])
def run(self):
"""
run in a thread
connect to server
"""
if not self.connect_to_server(self.server, self.port):
self.handler.emit('error', msg='Could not connect to server')
sys.exit(-1)
if not self.authenticate(config.get('jid', '') == ''):
self.handler.emit('error', msg='Could not authenticate to server')
sys.exit(-1)
# TODO, become invisible before sendInitPresence
self.client.sendInitPresence(requestRoster=0)
self.register_handlers()
self.online = 1 # 2 when confirmation of our auth is received
while 1:
self.process()
def connect_to_server(self, server, port):
"""
Connect to the server
"""
if config.get('use_proxy','false') == 'true':
return self.client.connect((server, port),
{'host': config.get("proxy_server", ""),
'port': config.get("proxy_port", 1080),
'user': config.get("proxy_user", ""),
'password': config.get("proxy_password",
"")
})
else:
return self.client.connect((server, port))
def authenticate(self, anon=True):
"""
Authenticate to the server
"""
if anon:
try:
self.client.auth(None, "", self.resource)
return True
except TypeError:
self.handler.emit('error', msg=_('Error: Could not authenticate. Please make sure the server you chose (%s) supports anonymous authentication' % (config.get('server', ''))))
return False
else:
password = config.get('password', '')
jid = config.get('jid', '')
auth = self.client.auth(jid_get_node(jid), password, "salut")
return True
def register_handlers(self):
"""
registers handlers from xmpppy signals
"""
self.client.RegisterHandler('iq', self.on_get_time, typ='get',
ns="urn:xmpp:time")
self.client.RegisterHandler('iq', self.on_get_vcard)
self.client.RegisterHandler('iq', self.on_get_version, typ='get',
ns=xmpp.NS_VERSION)
self.client.RegisterHandler('presence', self.handler_presence)
self.client.RegisterHandler('message', self.handler_message)
def error_message(self, stanza):
"""
handles the error messages
"""
from_ = stanza.getFrom()
if not from_:
room_name = ''
else:
room_name = from_.getStripped()
self.handler.emit('error-message', room=room_name,
error=stanza.getTag('error'),
msg=stanza.getError())
raise xmpp.protocol.NodeProcessed
def handler_presence(self, connection, presence):
"""
check if it's a normal or a muc presence
"""
is_muc = False
tags = presence.getTags('x')
for tag in tags:
if tag.getAttr('xmlns') == 'http://jabber.org/protocol/muc#user':
is_muc = True
if is_muc:
self.handler_muc_presence(connection, presence)
else:
self.handler_normal_presence(connection, presence)
def handler_normal_presence(self, connection, presence):
"""
handles the non-MUC presences
"""
fro = presence.getFrom()
toj = presence.getAttr('to')
if presence.getType() == 'error':
self.error_message(presence)
return
if not toj or fro == toj: # own presence
self.online = 2
self.jid = toj
self.handler.emit('on-connected', jid=fro)
def handler_muc_presence(self, connection, presence):
"""
handles the presence messages
"""
if not connection:
return
self.handler.emit('room-presence', stanza=presence)
raise xmpp.protocol.NodeProcessed
def handler_delayed_message(self, connection, message):
"""
handles the delayed messages
These are received when we join a muc and we are sent the
recent history
"""
if not connection:
return
self.handler.emit('room-delayed-message', stanza=message)
raise xmpp.protocol.NodeProcessed
def handler_message(self, connection, message):
"""
handles the common messages
"""
if not connection:
return
if message.getType() == 'error':
self.error_message(message)
return
if message.getType() == 'groupchat':
self.handler.emit('room-message', stanza=message)
else:
self.handler.emit('private-message', stanza=message)
raise xmpp.protocol.NodeProcessed
def process(self, timeout=10):
"""
Main connection loop
It just waits for something to process (something is received
or something has to be sent)
"""
if self.online:
self.client.Process(timeout)
else:
logger.warning('disconnecting...')
sys.exit()
def on_get_version(self, connection, iq):
"""
Handles the iq requesting our software version
"""
if not connection:
return
self.handler.emit('send-version', iq_obj=iq)
def on_get_time(self, connection, iq):
"""
handles the iq requesting our time
"""
if not connection:
return
self.handler.emit('send-time', iq_obj=iq)
def on_get_vcard(self, connection, iq):
"""
we received a vcard
"""
from common import debug
debug('\n====\n%s\n\n' % iq)
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