#!/usr/bin/env python
# Created by Matteo Rattotti on 13/03/06.
# Copyright (c) 2006 Matteo Rattotti. All rights reserved.
# Contact matteo.rattotti@gmail.com for any problem

# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.


"""
Get the HTTP proxy for the current location 
or None if no proxy is define.


Old Author: Matteo Merli <matteo.merli@gmail.com>
This file is used within Old Author approvation
"""

import sys

try:
	from Foundation import NSObject
	from SystemConfiguration import UNSystemConfigurationDynamicStore
	_not_present = False
	# print 'Import ok'
except:
	# print 'PyObjC not present'
	_not_present = True

KEY = ur'Setup:/Network/Service/%s/Proxies'

def getProxy():

	if _not_present: return None

	store = UNSystemConfigurationDynamicStore.alloc().initWithName_( u'AllKeys' )
	
	# get the current service ID 
	try:
		serviceId = store.valueForKey_( u'State:/Network/Global/IPv4' )[ 'PrimaryService' ]
	except:
		# print 'No Primary Service defined'
		return None
	
	try:
		d =  store.valueForKey_( KEY % serviceId )
		enabled = d['HTTPEnable']
		if not enabled:
			# print 'Proxy is not enabled'
			return None
	except:
		return None

	proxy = 'http://%s:%u/' % (d['HTTPProxy'], d['HTTPPort'])
	return proxy

if __name__=='__main__':
	proxy = getProxy()
	print 'Proxy:', proxy