Add examples for using IBB.

1 files changed, 149 insertions, 0 deletions

diff --git a/examples/ibb_transfer/ibb_receiver.py b/examples/ibb_transfer/ibb_receiver.py
new file mode 100755
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+++ b/examples/ibb_transfer/ibb_receiver.py
@@ -0,0 +1,149 @@
+#!/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
+
+# 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 IBBReceiver(sleekxmpp.ClientXMPP):
+
+    """
+    A basic example of creating and using an in-band bytestream.
+    """
+
+    def __init__(self, jid, password):
+        sleekxmpp.ClientXMPP.__init__(self, jid, password)
+
+        self.register_plugin('xep_0030') # Service Discovery
+        self.register_plugin('xep_0047', {
+            'accept_stream': self.accept_stream
+        }) # In-band Bytestreams
+
+        # 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)
+
+        self.add_event_handler("ibb_stream_start", self.stream_opened)
+        self.add_event_handler("ibb_stream_data", self.stream_data)
+
+    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 accept_stream(self, iq):
+        """
+        Check that it is ok to accept a stream request. 
+
+        Controlling stream acceptance can be done via either:
+            - setting 'auto_accept' to False in the plugin
+              configuration. The default is True.
+            - setting 'accept_stream' to a function which accepts
+              an Iq stanza as its argument, like this one.
+
+        The accept_stream function will be used if it exists, and the
+        auto_accept value will be used otherwise.
+        """
+        return True
+
+    def stream_opened(self, stream):
+        # NOTE: IBB streams are bi-directional, so the original sender is
+        # now the opened stream's receiver.
+        print('Stream opened: %s from ' % (stream.sid, stream.receiver))
+
+        # You could run a loop reading from the stream using stream.recv(),
+        # or use the ibb_stream_data event.
+
+    def stream_data(self, event):
+        print(event['data'])
+
+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: ")
+
+    xmpp = IBBReceiver(opts.jid, opts.password)
+
+    # 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.")