#!/usr/bin/env python # This is a demonstration script for Facebook Chat # using the X- FACEBOOK- PLATFORM SASL mechanism. # It requires pyfacebook and pyxmpp to be installed. # This client only works for desktop applications (configured in the # developer app), and uses the old- style auth.getSession mechanism to get a # Facebook session. For newer-style or web apps, only the # `get_facebook_ client` function should have to change. import sys import os def get_facebook_ client(): import facebook # Replace these with your app's credentials api_key = 'YOUR_ API_KEY' secret_key = 'YOUR_API_SECRET' client = facebook.Facebook (api_key, secret_key) try: # Try to read cached credentials from the session- key file. # If authorization fails, you should delete this file and start of. handle = open ('session-key', 'r') client.uid, client.session_key, client.secret = [ line.strip() for line in handle ] handle.close() except IOError: client.auth.createTok en() client.login() print 'Log in to the app in your browser, then press enter.' raw_input() client.auth.getSessio n() handle = open ('session-key', 'w') print >> handle, client.uid print >> handle, client.session_key print >> handle, client.secret handle.close() if not int (client.users.hasAppP ermission('xmpp_ login')): import webbrowser webbrowser.open (client.get_url ('authorize', ext_perm = 'xmpp_login', api_key = client.api_key, v = '1.0')) print 'Grant the extended permission to the app in your browser, then press enter.' raw_input() return client from pyxmpp.sasl.core import ClientAuthenticator from pyxmpp.sasl.core import Response, Failure, Success class XFacebookPlatformC lientAuthenticator (ClientAuthenticator): def __init__(self, password_manager, fb_client=None): ClientAuthenticator._ _init__(self, password_manager) if fb_client is None: global global_ fb_client fb_client = global_fb_client self._fb_client = fb_client def start(self, ignored_username, ignored_authzid): return Response () def challenge(self, challenge): in_params = dict ([part.split('=') for part in challenge.split ('&')]) out_params = {'nonce': in_params ['nonce']} out_params = self._fb_client._add_ session_args(out_ params) out_params = self._fb_client._build_ post_args(in_params ['method'], out_ params) import urllib return Response (urllib.urlencode(out_ params)) def finish (self,data): return Success (None) from pyxmpp.all import JID, Presence, Message from pyxmpp.client import Client class FacebookChatClient (Client): def __init__(self, to_uid, message, **kwargs): Client.__init__ (self, **kwargs) self.to_uid = to_ uid self.message = message self.sent = False def session_ started(self): self.get_stream ().set_message_ handler(`chat`, self.got_message) self.get_stream ().send(Presence()) def idle(self): print 'Idle...' Client.idle(self) if self.session_ established and not self.sent: self.sent = True target = JID('-' + self.to_uid, self.jid.domain) self.get_ stream().send (Message(to_ jid=target, body=unicode (self.message))) def got_message (self, stanza): print stanza.get_ from().node, `:`, stanza.get_body() if __name__ == '__ main__': # Uncomment these lines to get more verbose logging. #import logging #logger = logging.getLogger() # logger.addHandler (logging.StreamHandl er()) #logger.setLevel (logging.DEBUG) # Sneak our authenticator into the map. import pyxmpp.sasl pyxmpp.sasl.all_ mechanisms_dict['X- FACEBOOK- PLATFORM'] = \ (XFacebookPlatform ClientAuthenticator, None) print 'Preparing Facebook client...' global_fb_client = get_facebook_client () try: my_uid = str (global_fb_client.uid) to_uid = sys.argv [1] message = unicode(sys.argv[2]) my_jid = '-' + my_uid + '@ chat.facebook.com/ TestClient' except IndexError: sys.exit('usage: %s {to_uid} {message}' % sys.argv[0]) print 'Creating stream...' xmpp_client = FacebookChatClient( to_uid = to_uid, message = message, jid = JID(my_ jid), password = u'ignored', auth_methods = ['sasl:X-FACEBOOK- PLATFORM'], #server = 'localhost' ) print 'Connecting...' xmpp_ client.connect() print 'Processing...' try: xmpp_client.loop (1) finally: xmpp_ client.disconnect()
