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authorLance Stout <lancestout@gmail.com>2012-06-15 16:03:38 -0700
committerLance Stout <lancestout@gmail.com>2012-06-19 00:02:36 -0700
commit95a0e51b41c1989b4785bd7cb502090a32fd6a63 (patch)
tree37c5f2a0fcf7341a6924540feef8480894bf6c2d /examples
parent110e45e1872f38526aa0db8a6b3f36a7ba04c603 (diff)
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Add example for dealing with GTalk custom domain certificates.
Diffstat (limited to 'examples')
-rwxr-xr-xexamples/gtalk_custom_domain.py165
1 files changed, 165 insertions, 0 deletions
diff --git a/examples/gtalk_custom_domain.py b/examples/gtalk_custom_domain.py
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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+ SleekXMPP: The Sleek XMPP Library
+ Copyright (C) 2010 Nathanael C. Fritz
+ This file is part of SleekXMPP.
+
+ See the file LICENSE for copying permission.
+"""
+
+import sys
+import logging
+import getpass
+from optparse import OptionParser
+
+import sleekxmpp
+
+import ssl
+from sleekxmpp.xmlstream import cert
+
+
+# Python versions before 3.0 do not use UTF-8 encoding
+# by default. To ensure that Unicode is handled properly
+# throughout SleekXMPP, we will set the default encoding
+# ourselves to UTF-8.
+if sys.version_info < (3, 0):
+ reload(sys)
+ sys.setdefaultencoding('utf8')
+else:
+ raw_input = input
+
+
+class GTalkBot(sleekxmpp.ClientXMPP):
+
+ """
+ A demonstration of using SleekXMPP with accounts from a Google Apps
+ account with a custom domain, because it requires custom certificate
+ validation.
+ """
+
+ def __init__(self, jid, password):
+ sleekxmpp.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:
+ log.error(err.message)
+ self.disconnect(send_close=False)
+
+ 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()
+ 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.
+ optp = OptionParser()
+
+ # Output verbosity options.
+ optp.add_option('-q', '--quiet', help='set logging to ERROR',
+ action='store_const', dest='loglevel',
+ const=logging.ERROR, default=logging.INFO)
+ optp.add_option('-d', '--debug', help='set logging to DEBUG',
+ action='store_const', dest='loglevel',
+ const=logging.DEBUG, default=logging.INFO)
+ optp.add_option('-v', '--verbose', help='set logging to COMM',
+ action='store_const', dest='loglevel',
+ const=5, default=logging.INFO)
+
+ # JID and password options.
+ optp.add_option("-j", "--jid", dest="jid",
+ help="JID to use")
+ optp.add_option("-p", "--password", dest="password",
+ help="password to use")
+
+ opts, args = optp.parse_args()
+
+ # Setup logging.
+ logging.basicConfig(level=opts.loglevel,
+ format='%(levelname)-8s %(message)s')
+
+ if opts.jid is None:
+ opts.jid = raw_input("Username: ")
+ if opts.password is None:
+ opts.password = getpass.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(opts.jid, opts.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
+
+ # If you are working with an OpenFire server, you may need
+ # to adjust the SSL version used:
+ # xmpp.ssl_version = ssl.PROTOCOL_SSLv3
+
+ # If you want to verify the SSL certificates offered by a server:
+ # xmpp.ca_certs = "path/to/ca/cert"
+
+ # Connect to the XMPP server and start processing XMPP stanzas.
+ if xmpp.connect():
+ # If you do not have the dnspython library installed, you will need
+ # to manually specify the name of the server if it does not match
+ # the one in the JID. For example, to use Google Talk you would
+ # need to use:
+ #
+ # if xmpp.connect(('talk.google.com', 5222)):
+ # ...
+ xmpp.process(block=True)
+ print("Done")
+ else:
+ print("Unable to connect.")