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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Slixmpp: The Slick XMPP Library
Copyright (C) 2012 Nathanael C. Fritz
This file is part of Slixmpp.
See the file LICENSE for copying permission.
"""
import logging
import getpass
import threading
from optparse import OptionParser
import slixmpp
from slixmpp.exceptions import XMPPError
FILE_TYPES = {
'image/png': 'png',
'image/gif': 'gif',
'image/jpeg': 'jpg'
}
class AvatarDownloader(slixmpp.ClientXMPP):
"""
A basic script for downloading the avatars for a user's contacts.
"""
def __init__(self, jid, password):
slixmpp.ClientXMPP.__init__(self, jid, password)
self.add_event_handler("session_start", self.start)
self.add_event_handler("changed_status", self.wait_for_presences)
self.add_event_handler('vcard_avatar_update', self.on_vcard_avatar)
self.add_event_handler('avatar_metadata_publish', self.on_avatar)
self.received = set()
self.presences_received = threading.Event()
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()
print('Waiting for presence updates...\n')
self.presences_received.wait(15)
self.disconnect(wait=True)
def on_vcard_avatar(self, pres):
print("Received vCard avatar update from %s" % pres['from'].bare)
try:
result = self['xep_0054'].get_vcard(pres['from'], cached=True)
except XMPPError:
print("Error retrieving avatar for %s" % pres['from'])
return
avatar = result['vcard_temp']['PHOTO']
filetype = FILE_TYPES.get(avatar['TYPE'], 'png')
filename = 'vcard_avatar_%s_%s.%s' % (
pres['from'].bare,
pres['vcard_temp_update']['photo'],
filetype)
with open(filename, 'w+') as img:
img.write(avatar['BINVAL'])
def on_avatar(self, msg):
print("Received avatar update from %s" % msg['from'])
metadata = msg['pubsub_event']['items']['item']['avatar_metadata']
for info in metadata['items']:
if not info['url']:
try:
result = self['xep_0084'].retrieve_avatar(msg['from'], info['id'])
except XMPPError:
print("Error retrieving avatar for %s" % msg['from'])
return
avatar = result['pubsub']['items']['item']['avatar_data']
filetype = FILE_TYPES.get(metadata['type'], 'png')
filename = 'avatar_%s_%s.%s' % (msg['from'].bare, info['id'], filetype)
with open(filename, 'w+') as img:
img.write(avatar['value'])
else:
# We could retrieve the avatar via HTTP, etc here instead.
pass
def wait_for_presences(self, pres):
"""
Wait to receive updates from all roster contacts.
"""
self.received.add(pres['from'].bare)
if len(self.received) >= len(self.client_roster.keys()):
self.presences_received.set()
else:
self.presences_received.clear()
if __name__ == '__main__':
# Setup the command line arguments.
optp = OptionParser()
optp.add_option('-q','--quiet', help='set logging to ERROR',
action='store_const',
dest='loglevel',
const=logging.ERROR,
default=logging.ERROR)
optp.add_option('-d','--debug', help='set logging to DEBUG',
action='store_const',
dest='loglevel',
const=logging.DEBUG,
default=logging.ERROR)
optp.add_option('-v','--verbose', help='set logging to COMM',
action='store_const',
dest='loglevel',
const=5,
default=logging.ERROR)
# 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 = input("Username: ")
if opts.password is None:
opts.password = getpass.getpass("Password: ")
xmpp = AvatarDownloader(opts.jid, opts.password)
xmpp.register_plugin('xep_0054')
xmpp.register_plugin('xep_0153')
xmpp.register_plugin('xep_0084')
# 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.
xmpp.connect()
xmpp.process()
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