from xmpp import Client
from xmpp.protocol import JID

from django.contrib.auth.models import User

def xmpp_login(jid, password): #supose that jid already checked for email format
    jid = JID(jid)
    jid_str = "%s" % jid
    client = Client(jid.getDomain(),debug=[])

    con = client.connect()
    if not con:
        raise Exception('Cannot connect to jabber server')

    auth=client.auth(jid.getNode(), password, resource=jid.getResource()) # resource =)
    if not auth:
        raise Exception('Cannot auth at jabber server')

    try:
        user = User.objects.get(username=jid)
    except User.DoesNotExist:
        user = User.objects.create_user(jid_str, jid_str, password) # user already is_authenticated()
        user.save()
        return user

    from django.contrib.auth import authenticate
    user = authenticate(username=jid_str, password=password)
    if user is not None:
g        if user.is_active:
            return user
        else:
            raise Exception('Your account has been disabled!')
    else:
        raise Exception('Your username and password were incorrect.')