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path: root/slixmpp/features/feature_bind/bind.py
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"""
    Slixmpp: The Slick XMPP Library
    Copyright (C) 2011  Nathanael C. Fritz
    This file is part of Slixmpp.

    See the file LICENSE for copying permission.
"""

import logging

from slixmpp.jid import JID
from slixmpp.stanza import Iq, StreamFeatures
from slixmpp.features.feature_bind import stanza
from slixmpp.xmlstream import register_stanza_plugin
from slixmpp.plugins import BasePlugin


log = logging.getLogger(__name__)


class FeatureBind(BasePlugin):

    name = 'feature_bind'
    description = 'RFC 6120: Stream Feature: Resource Binding'
    dependencies = set()
    stanza = stanza

    def plugin_init(self):
        self.xmpp.register_feature('bind',
                self._handle_bind_resource,
                restart=False,
                order=10000)

        register_stanza_plugin(Iq, stanza.Bind)
        register_stanza_plugin(StreamFeatures, stanza.Bind)

    def _handle_bind_resource(self, features):
        """
        Handle requesting a specific resource.

        Arguments:
            features -- The stream features stanza.
        """
        log.debug("Requesting resource: %s", self.xmpp.requested_jid.resource)
        self.features = features
        iq = self.xmpp.Iq()
        iq['type'] = 'set'
        iq.enable('bind')
        if self.xmpp.requested_jid.resource:
            iq['bind']['resource'] = self.xmpp.requested_jid.resource

        iq.send(block=False, callback=self._on_bind_response)

    def _on_bind_response(self, response):
        self.xmpp.boundjid = JID(response['bind']['jid'], cache_lock=True)
        self.xmpp.bound = True
        self.xmpp.event('session_bind', self.xmpp.boundjid)
        self.xmpp.session_bind_event.set()

        self.xmpp.features.add('bind')

        log.info("JID set to: %s", self.xmpp.boundjid.full)

        if 'session' not in self.features['features']:
            log.debug("Established Session")
            self.xmpp.sessionstarted = True
            self.xmpp.event('session_start')