def registrationRequested(self, iq):
'''A registration request was received. If an invalid username is
choosen, the whole registration fails. Also, although it's normally
impossible, we're being paranoid and forbid registrations from JIDs
that don't contain a dot, since they might conflict with usernames.
'''
frm = iq.getFrom()
info("Registration request from %s" % frm)
if -1 == frm.getStripped().find('.'):
reply = iq.buildReply(typ='error')
reply.addChild(node=ErrorNode('not-acceptable', 500, 'cancel', _(REGISTRATION, 'error_invalid_jid')))
self.send(reply)
warning("Possible hacking attempt: JID '%s' (no dot!) tried to register to the gateway." % frm.getStripped())
return
isUpdate = False
user = UserAccount(frm)
requestedUsername = ''
for child in iq.getQueryChildren():
if 'username' == child.getName():
requestedUsername = child.getData()
break
try:
user.username = requestedUsername
info("%s changed username to '%s'" % (user, user.username))
except UsernameNotAvailableError:
if 0 == len(requestedUsername):
msg = 'error_missing_username'
else:
msg = 'error_invalid_username'
reply = iq.buildReply(typ='error')
reply.addChild(node=ErrorNode('not-acceptable', 406, 'modify', _(REGISTRATION, msg)))
self.send(reply)
return
try:
user.register()
new_address = user.createAddress()
self.addAddressToRoster(new_address, user)
except AlreadyRegisteredError:
info("(actually just an update)")
isUpdate = True
self.send(Iq(typ='result', to=frm, frm=self.jid, attrs={'id': iq.getID()}))
if not isUpdate:
self.send(Presence(typ='subscribe', to=frm.getStripped(), frm=self.jid))
