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# Copyright (C) 2018 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of nbxmpp.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; If not, see <http://www.gnu.org/licenses/>.
import logging
from nbxmpp.protocol import NS_X_OOB
from nbxmpp.protocol import NS_DATA
from nbxmpp.protocol import NS_REGISTER
from nbxmpp.protocol import Iq
from nbxmpp.protocol import isResultNode
from nbxmpp.structs import CommonResult
from nbxmpp.structs import RegisterData
from nbxmpp.structs import ChangePasswordResult
from nbxmpp.util import call_on_response
from nbxmpp.util import callback
from nbxmpp.util import raise_error
from nbxmpp.util import get_form
from nbxmpp.const import REGISTER_FIELDS
from nbxmpp.modules.bits_of_binary import parse_bob_data
from nbxmpp.modules.dataforms import extend_form
from nbxmpp.modules.dataforms import create_field
from nbxmpp.modules.dataforms import SimpleDataForm
log = logging.getLogger('nbxmpp.m.register')
class Register:
def __init__(self, client):
self._client = client
self.handlers = []
@call_on_response('_default_response')
def unregister(self):
domain = self._client.get_bound_jid().getDomain()
iq = Iq('set', to=domain)
query = iq.setQuery()
query.setNamespace(NS_REGISTER)
query.addChild('remove')
return iq
@call_on_response('_on_register_form')
def request_register_form(self, jid=None):
if jid is None:
jid = self._client.domain
return Iq('get', NS_REGISTER, to=jid)
@callback
def _on_register_form(self, stanza):
query = stanza.getQuery()
instructions = query.getTagData('instructions') or None
return RegisterData(instructions=instructions,
form=self._parse_form(stanza),
fields_form=self._parse_fields_form(query),
oob_url=self._parse_oob_url(query),
bob_data=parse_bob_data(query))
@callback
def _default_response(self, stanza):
if not isResultNode(stanza):
return raise_error(log.info, stanza)
return CommonResult(jid=stanza.getFrom())
@staticmethod
def _parse_oob_url(query):
oob = query.getTag('x', namespace=NS_X_OOB)
if oob is not None:
return oob.getTagData('url') or None
return None
@staticmethod
def _parse_form(stanza):
form = stanza.getQuery().getTag('x', namespace=NS_DATA)
if form is None:
return None
form = extend_form(node=form)
field = form.vars.get('FORM_TYPE')
if field is None:
log.warning('No FORM_TYPE found')
log.warning(stanza)
return None
# Invalid urn:xmpp:captcha used by ejabberd
# See https://github.com/processone/ejabberd/issues/3093
if field.value in ('jabber:iq:register', 'urn:xmpp:captcha'):
return form
return None
@staticmethod
def _parse_fields_form(query):
fields = []
for field in query.getChildren():
field_name = field.getName()
if field_name not in REGISTER_FIELDS:
continue
required = field_name in ('username', 'password')
typ = 'text-single' if field_name != 'password' else 'text-private'
fields.append(create_field(typ=typ,
var=field_name,
required=required))
if not fields:
return None
fields.append(create_field(typ='hidden', var='fakeform'))
return SimpleDataForm(type_='form', fields=fields)
@call_on_response('_on_password_change')
def change_password(self, password):
domain = self._client.get_bound_jid().getDomain()
username = self._client.get_bound_jid().getNode()
iq = Iq('set', NS_REGISTER, to=domain)
query = iq.getQuery()
query.setTagData('username', username)
query.setTagData('password', password)
return iq
@callback
def _on_password_change(self, stanza):
if isResultNode(stanza):
return ChangePasswordResult(successful=True)
if stanza.getQuery() is None:
return raise_error(log.info, stanza)
form = get_form(stanza.getQuery(),
'jabber:iq:register:changepassword')
if form is None:
return raise_error(log.info, stanza)
return ChangePasswordResult(successful=False, form=form)
@call_on_response('_default_response')
def change_password_with_form(self, form):
domain = self._client.get_bound_jid().getDomain()
iq = Iq('set', NS_REGISTER, to=domain)
iq.setQueryPayload(form)
return iq
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