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"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2010 Nathanael C. Fritz
This file is part of SleekXMPP.
See the file LICENSE for copying permission.
"""
from __future__ import with_statement
from xml.etree import cElementTree as ET
import logging
import hashlib
from . import base
class xep_0078(base.base_plugin):
"""
XEP-0078 NON-SASL Authentication
"""
def plugin_init(self):
self.description = "Non-SASL Authentication (broken)"
self.xep = "0078"
self.xmpp.add_event_handler("session_start", self.check_stream)
#disabling until I fix conflict with PLAIN
#self.xmpp.registerFeature("<auth xmlns='http://jabber.org/features/iq-auth'/>", self.auth)
self.streamid = ''
def check_stream(self, xml):
self.streamid = xml.attrib['id']
if xml.get('version', '0') != '1.0':
self.auth()
def auth(self, xml=None):
logging.debug("Starting jabber:iq:auth Authentication")
auth_request = self.xmpp.makeIqGet()
auth_request_query = ET.Element('{jabber:iq:auth}query')
auth_request.attrib['to'] = self.xmpp.server
username = ET.Element('username')
username.text = self.xmpp.username
auth_request_query.append(username)
auth_request.append(auth_request_query)
result = auth_request.send()
rquery = result.find('{jabber:iq:auth}query')
attempt = self.xmpp.makeIqSet()
query = ET.Element('{jabber:iq:auth}query')
resource = ET.Element('resource')
resource.text = self.xmpp.resource
query.append(username)
query.append(resource)
if rquery.find('{jabber:iq:auth}digest') is None:
logging.warning("Authenticating via jabber:iq:auth Plain.")
password = ET.Element('password')
password.text = self.xmpp.password
query.append(password)
else:
logging.debug("Authenticating via jabber:iq:auth Digest")
digest = ET.Element('digest')
digest.text = hashlib.sha1(b"%s%s" % (self.streamid, self.xmpp.password)).hexdigest()
query.append(digest)
attempt.append(query)
result = attempt.send()
if result.attrib['type'] == 'result':
with self.xmpp.lock:
self.xmpp.authenticated = True
self.xmpp.sessionstarted = True
self.xmpp.event("session_start")
else:
logging.info("Authentication failed")
self.xmpp.disconnect()
self.xmpp.event("failed_auth")
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