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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
from getpass import getpass
from argparse import ArgumentParser
import slixmpp
from slixmpp.exceptions import XMPPError
from slixmpp import asyncio
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 = asyncio.Event()
self.roster_received = asyncio.Event()
def roster_received_cb(self, event):
self.roster_received.set()
self.presences_received.clear()
@asyncio.coroutine
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(callback=self.roster_received_cb)
print('Waiting for presence updates...\n')
yield from self.roster_received.wait()
print('Roster received')
yield from self.presences_received.wait()
self.disconnect()
@asyncio.coroutine
def on_vcard_avatar(self, pres):
print("Received vCard avatar update from %s" % pres['from'].bare)
try:
result = yield from self['xep_0054'].get_vcard(pres['from'].bare, cached=True,
timeout=5)
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, 'wb+') as img:
img.write(avatar['BINVAL'])
@asyncio.coroutine
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 = yield from self['xep_0084'].retrieve_avatar(msg['from'].bare, info['id'],
timeout=5)
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, 'wb+') 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)
print((len(self.received), len(self.client_roster.keys())))
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.
parser = ArgumentParser()
parser.add_argument("-q","--quiet", help="set logging to ERROR",
action="store_const",
dest="loglevel",
const=logging.ERROR,
default=logging.ERROR)
parser.add_argument("-d","--debug", help="set logging to DEBUG",
action="store_const",
dest="loglevel",
const=logging.DEBUG,
default=logging.ERROR)
# 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: ")
xmpp = AvatarDownloader(args.jid, args.password)
xmpp.register_plugin('xep_0054')
xmpp.register_plugin('xep_0153')
xmpp.register_plugin('xep_0084')
# Connect to the XMPP server and start processing XMPP stanzas.
xmpp.connect()
xmpp.process()
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