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#!/usr/bin/env python3
# Slixmpp: The Slick XMPP Library
# Copyright (C) 2010 Nathanael C. Fritz
# This file is part of Slixmpp.
# See the file LICENSE for copying permission.
import logging
from getpass import getpass
from argparse import ArgumentParser
import slixmpp
import ssl
from slixmpp.xmlstream import cert
class GTalkBot(slixmpp.ClientXMPP):
"""
A demonstration of using Slixmpp with accounts from a Google Apps
account with a custom domain, because it requires custom certificate
validation.
"""
def __init__(self, jid, password):
slixmpp.ClientXMPP.__init__(self, jid, password)
# The session_start event will be triggered when
# the bot establishes its connection with the server
# and the XML streams are ready for use. We want to
# listen for this event so that we we can initialize
# our roster.
self.add_event_handler("session_start", self.start)
# The message event is triggered whenever a message
# stanza is received. Be aware that that includes
# MUC messages and error messages.
self.add_event_handler("message", self.message)
# Using a Google Apps custom domain, the certificate
# does not contain the custom domain, just the GTalk
# server name. So we will need to process invalid
# certifcates ourselves and check that it really
# is from Google.
self.add_event_handler("ssl_invalid_cert", self.invalid_cert)
def invalid_cert(self, pem_cert):
der_cert = ssl.PEM_cert_to_DER_cert(pem_cert)
try:
cert.verify('talk.google.com', der_cert)
logging.debug("CERT: Found GTalk certificate")
except cert.CertificateError as err:
logging.error(err.message)
self.disconnect()
async def start(self, event):
"""
Process the session_start event.
Typical actions for the session_start event are
requesting the roster and broadcasting an initial
presence stanza.
Arguments:
event -- An empty dictionary. The session_start
event does not provide any additional
data.
"""
self.send_presence()
await self.get_roster()
def message(self, msg):
"""
Process incoming message stanzas. Be aware that this also
includes MUC messages and error messages. It is usually
a good idea to check the messages's type before processing
or sending replies.
Arguments:
msg -- The received message stanza. See the documentation
for stanza objects and the Message stanza to see
how it may be used.
"""
if msg['type'] in ('chat', 'normal'):
msg.reply("Thanks for sending\n%(body)s" % msg).send()
if __name__ == '__main__':
# Setup the command line arguments.
parser = ArgumentParser()
# Output verbosity options.
parser.add_argument("-q", "--quiet", help="set logging to ERROR",
action="store_const", dest="loglevel",
const=logging.ERROR, default=logging.INFO)
parser.add_argument("-d", "--debug", help="set logging to DEBUG",
action="store_const", dest="loglevel",
const=logging.DEBUG, default=logging.INFO)
# JID and password options.
parser.add_argument("-j", "--jid", dest="jid",
help="JID to use")
parser.add_argument("-p", "--password", dest="password",
help="password to use")
args = parser.parse_args()
# Setup logging.
logging.basicConfig(level=args.loglevel,
format='%(levelname)-8s %(message)s')
if args.jid is None:
args.jid = input("Username: ")
if args.password is None:
args.password = getpass("Password: ")
# Setup the GTalkBot and register plugins. Note that while plugins may
# have interdependencies, the order in which you register them does
# not matter.
xmpp = GTalkBot(args.jid, args.password)
xmpp.register_plugin('xep_0030') # Service Discovery
xmpp.register_plugin('xep_0004') # Data Forms
xmpp.register_plugin('xep_0060') # PubSub
xmpp.register_plugin('xep_0199') # XMPP Ping
# Connect to the XMPP server and start processing XMPP stanzas.
xmpp.connect()
xmpp.process()
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