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#!/usr/bin/python2.6
"""
SleekXMPP: The Sleek XMPP Library
Copyright (C) 2010 Nathanael C. Fritz
This file is part of SleekXMPP.
See the file license.txt for copying permission.
"""
from __future__ import absolute_import
from . basexmpp import basexmpp
from xml.etree import cElementTree as ET
from . xmlstream.xmlstream import XMLStream
from . xmlstream.matcher.xpath import MatchXPath
from . xmlstream.handler.callback import Callback
from . xmlstream import xmlstream as xmlstreammod
import logging
import sys
import hashlib
srvsupport = True
try:
import dns.resolver
except ImportError:
srvsupport = False
class ComponentXMPP(basexmpp, XMLStream):
"""SleekXMPP's client class. Use only for good, not evil."""
def __init__(self, jid, secret, host, port, plugin_config = {}, plugin_whitelist=[], use_jc_ns=False):
XMLStream.__init__(self)
if use_jc_ns:
self.default_ns = 'jabber:client'
else:
self.default_ns = 'jabber:component:accept'
basexmpp.__init__(self)
self.auto_authorize = None
self.stream_header = "<stream:stream xmlns='jabber:component:accept' xmlns:stream='http://etherx.jabber.org/streams' to='%s'>" % jid
self.stream_footer = "</stream:stream>"
self.server_host = host
self.server_port = port
self.set_jid(jid)
self.secret = secret
self.registerHandler(Callback('Handshake', MatchXPath('{jabber:component:accept}handshake'), self._handleHandshake))
def __getitem__(self, key):
if key in self.plugin:
return self.plugin[key]
else:
logging.warning("Plugin '%s' is not loaded.", key)
return False
def get(self, key, default):
return self.plugin.get(key, default)
def incoming_filter(self, xmlobj):
if xmlobj.tag.startswith('{jabber:client}'):
xmlobj.tag = xmlobj.tag.replace('jabber:client', self.default_ns)
for sub in xmlobj:
self.incoming_filter(sub)
return xmlobj
def start_stream_handler(self, xml):
sid = xml.get('id', '')
handshake = ET.Element('{jabber:component:accept}handshake')
if sys.version_info < (3,0):
handshake.text = hashlib.sha1("%s%s" % (sid, self.secret)).hexdigest().lower()
else:
handshake.text = hashlib.sha1(bytes("%s%s" % (sid, self.secret), 'utf-8')).hexdigest().lower()
self.sendXML(handshake)
def _handleHandshake(self, xml):
self.event("session_start")
def connect(self):
logging.debug("Connecting to %s:%s" % (self.server_host, self.server_port))
return xmlstreammod.XMLStream.connect(self, self.server_host, self.server_port)
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