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