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path: root/sleekxmpp/plugins/xep_0077/register.py
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"""
    SleekXMPP: The Sleek XMPP Library
    Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
    This file is part of SleekXMPP.

    See the file LICENSE for copying permission.
"""

import logging
import ssl

from sleekxmpp.stanza import StreamFeatures, Iq
from sleekxmpp.xmlstream import register_stanza_plugin, JID
from sleekxmpp.plugins import BasePlugin
from sleekxmpp.plugins.xep_0077 import stanza, Register, RegisterFeature


log = logging.getLogger(__name__)


class XEP_0077(BasePlugin):

    """
    XEP-0077: In-Band Registration
    """

    name = 'xep_0077'
    description = 'XEP-0077: In-Band Registration'
    dependencies = set(['xep_0004', 'xep_0066'])
    stanza = stanza
    default_config = {
        'create_account': True,
        'force_registration': False,
        'order': 50
    }

    def plugin_init(self):
        register_stanza_plugin(StreamFeatures, RegisterFeature)
        register_stanza_plugin(Iq, Register)

        if not self.xmpp.is_component:
            self.xmpp.register_feature('register',
                self._handle_register_feature,
                restart=False,
                order=self.order)

        register_stanza_plugin(Register, self.xmpp['xep_0004'].stanza.Form)
        register_stanza_plugin(Register, self.xmpp['xep_0066'].stanza.OOB)

        self.xmpp.add_event_handler('connected', self._force_registration)

    def plugin_end(self):
        if not self.xmpp.is_component:
            self.xmpp.unregister_feature('register', self.order)

    def _force_registration(self, event):
        if self.force_registration:
            self.xmpp.add_filter('in', self._force_stream_feature)

    def _force_stream_feature(self, stanza):
        if isinstance(stanza, StreamFeatures):
            if self.xmpp.use_tls or self.xmpp.use_ssl:
                if 'starttls' not in self.xmpp.features:
                    return stanza
                elif not isinstance(self.xmpp.socket, ssl.SSLSocket):
                    return stanza
            if 'mechanisms' not in self.xmpp.features:
                log.debug('Forced adding in-band registration stream feature')
                stanza.enable('register')
                self.xmpp.del_filter('in', self._force_stream_feature)
        return stanza

    def _handle_register_feature(self, features):
        if 'mechanisms' in self.xmpp.features:
            # We have already logged in with an account
            return False

        if self.create_account and self.xmpp.event_handled('register'):
            form = self.get_registration()
            self.xmpp.event('register', form, direct=True)
            return True
        return False

    def get_registration(self, jid=None, ifrom=None, block=True,
                         timeout=None, callback=None):
        iq = self.xmpp.Iq()
        iq['type'] = 'get'
        iq['to'] = jid
        iq['from'] = ifrom
        iq.enable('register')
        return iq.send(block=block, timeout=timeout,
                       callback=callback, now=True)

    def cancel_registration(self, jid=None, ifrom=None, block=True,
                            timeout=None, callback=None):
        iq = self.xmpp.Iq()
        iq['type'] = 'set'
        iq['to'] = jid
        iq['from'] = ifrom
        iq['register']['remove'] = True
        return iq.send(block=block, timeout=timeout, callback=callback)

    def change_password(self, password, jid=None, ifrom=None, block=True,
                        timeout=None, callback=None):
        iq = self.xmpp.Iq()
        iq['type'] = 'set'
        iq['to'] = jid
        iq['from'] = ifrom
        if self.xmpp.is_component:
            ifrom = JID(ifrom)
            iq['register']['username'] = ifrom.user
        else:
            iq['register']['username'] = self.xmpp.boundjid.user
        iq['register']['password'] = password
        return iq.send(block=block, timeout=timeout, callback=callback)