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# Copyright 2010-2011 Florent Le Coz <louiz@louiz.org>
#
# This file is part of Poezio.
#
# Poezio is free software: you can redistribute it and/or modify
# it under the terms of the zlib license. See the COPYING file.
"""
Defines the Connection class
"""
import logging
log = logging.getLogger(__name__)
import getpass
import subprocess
import sys
import slixmpp
from slixmpp.plugins.xep_0184 import XEP_0184
import common
import fixes
from common import safeJID
from config import config, options
class Connection(slixmpp.ClientXMPP):
"""
Receives everything from Jabber and emits the
appropriate signals
"""
__init = False
def __init__(self):
resource = config.get('resource')
keyfile = config.get('keyfile')
certfile = config.get('certfile')
if config.get('jid'):
# Field used to know if we are anonymous or not.
# many features will be handled differently
# depending on this setting
self.anon = False
jid = '%s' % config.get('jid')
if resource:
jid = '%s/%s'% (jid, resource)
password = config.get('password')
eval_password = config.get('eval_password')
if not password and not eval_password and not (keyfile and certfile):
password = getpass.getpass()
elif not password and not (keyfile and certfile):
sys.stderr.write("No password or certificates provided, using the eval_password command.\n")
process = subprocess.Popen(['sh', '-c', eval_password], stdin=subprocess.PIPE,
stdout=subprocess.PIPE, close_fds=True)
code = process.wait()
if code != 0:
sys.stderr.write('The eval_password command (%s) returned a '
'nonzero status code: %s.\n' % (eval_password, code))
sys.stderr.write('Poezio will now exit\n')
sys.exit(code)
password = process.stdout.readline().decode('utf-8').strip('\n')
else: # anonymous auth
self.anon = True
jid = config.get('server')
if resource:
jid = '%s/%s' % (jid, resource)
password = None
jid = safeJID(jid)
# TODO: use the system language
slixmpp.ClientXMPP.__init__(self, jid, password,
lang=config.get('lang'))
force_encryption = config.get('force_encryption')
if force_encryption:
self['feature_mechanisms'].unencrypted_plain = False
self['feature_mechanisms'].unencrypted_digest = False
self['feature_mechanisms'].unencrypted_cram = False
self['feature_mechanisms'].unencrypted_scram = False
self.keyfile = config.get('keyfile')
self.certfile = config.get('certfile')
if keyfile and not certfile:
log.error('keyfile is present in configuration file without certfile')
elif certfile and not keyfile:
log.error('certfile is present in configuration file without keyfile')
self.core = None
self.auto_reconnect = config.get('auto_reconnect')
self.reconnect_max_attempts = 0
self.auto_authorize = None
# prosody defaults, lowest is AES128-SHA, it should be a minimum
# for anything that came out after 2002
self.ciphers = config.get('ciphers',
'HIGH+kEDH:HIGH+kEECDH:HIGH:!PSK'
':!SRP:!3DES:!aNULL')
self.ca_certs = config.get('ca_cert_path') or None
interval = config.get('whitespace_interval')
if int(interval) > 0:
self.whitespace_keepalive_interval = int(interval)
else:
self.whitespace_keepalive = False
self.register_plugin('xep_0004')
self.register_plugin('xep_0012')
self.register_plugin('xep_0030')
self.register_plugin('xep_0045')
self.register_plugin('xep_0048')
self.register_plugin('xep_0050')
self.register_plugin('xep_0054')
self.register_plugin('xep_0060')
self.register_plugin('xep_0066')
self.register_plugin('xep_0071')
self.register_plugin('xep_0077')
self.plugin['xep_0077'].create_account = False
self.register_plugin('xep_0085')
self.register_plugin('xep_0115')
# monkey-patch xep_0184 to avoid requesting receipts for messages
# without a body
XEP_0184._filter_add_receipt_request = fixes._filter_add_receipt_request
self.register_plugin('xep_0184')
self.plugin['xep_0184'].auto_ack = config.get('ack_message_receipts')
self.plugin['xep_0184'].auto_request = config.get('request_message_receipts')
self.register_plugin('xep_0191')
self.register_plugin('xep_0198')
self.register_plugin('xep_0199')
if config.get('enable_user_tune'):
self.register_plugin('xep_0118')
if config.get('enable_user_nick'):
self.register_plugin('xep_0172')
if config.get('enable_user_mood'):
self.register_plugin('xep_0107')
if config.get('enable_user_activity'):
self.register_plugin('xep_0108')
if config.get('enable_user_gaming'):
self.register_plugin('xep_0196')
if config.get('send_poezio_info'):
info = {'name':'poezio',
'version': options.version}
if config.get('send_os_info'):
info['os'] = common.get_os_info()
self.plugin['xep_0030'].set_identities(
identities=set([('client', 'pc', None, 'Poezio')]))
else:
info = {'name': '', 'version': ''}
self.plugin['xep_0030'].set_identities(
identities=set([('client', 'pc', None, '')]))
self.register_plugin('xep_0092', pconfig=info)
if config.get('send_time'):
self.register_plugin('xep_0202')
self.register_plugin('xep_0224')
self.register_plugin('xep_0231')
self.register_plugin('xep_0249')
self.register_plugin('xep_0257')
self.register_plugin('xep_0280')
self.register_plugin('xep_0297')
self.register_plugin('xep_0308')
self.register_plugin('xep_0334')
self.register_plugin('xep_0352')
self.init_plugins()
def set_keepalive_values(self, option=None, value=None):
"""
Called after the XMPP session has been started, or triggered when one of
"connection_timeout_delay" and "connection_check_interval" options
is changed. Unload and reload the ping plugin, with the new values.
"""
if not self.is_connected():
# Happens when we change the value with /set while we are not
# connected. Do nothing in that case
return
ping_interval = config.get('connection_check_interval')
timeout_delay = config.get('connection_timeout_delay')
if timeout_delay <= 0:
# We help the stupid user (with a delay of 0, poezio will try to
# reconnect immediately because the timeout is immediately
# passed)
# 1 second is short, but, well
timeout_delay = 1
self.plugin['xep_0199'].disable_keepalive()
# If the ping_interval is 0 or less, we just disable the keepalive
if ping_interval > 0:
self.plugin['xep_0199'].enable_keepalive(ping_interval,
timeout_delay)
def start(self):
"""
Connect and process events.
"""
custom_host = config.get('custom_host')
custom_port = config.get('custom_port', 5222)
if custom_port == -1:
custom_port = 5222
if custom_host:
self.connect((custom_host, custom_port))
elif custom_port != 5222 and custom_port != -1:
self.connect((self.boundjid.host, custom_port))
else:
self.connect()
def send_raw(self, data):
"""
Overrides XMLStream.send_raw, with an event added
"""
if self.core:
self.core.outgoing_stanza(data)
slixmpp.ClientXMPP.send_raw(self, data)
class MatchAll(slixmpp.xmlstream.matcher.base.MatcherBase):
"""
Callback to retrieve all the stanzas for the XML tab
"""
def match(self, xml):
"match everything"
return True
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