Synnefo

        # Check the request's IP address

        allowed = settings.HELPDESK_ALLOWED_IPS

        if not check_ip(request.META['REMOTE_ADDR'], allowed):

            try:

                proxy_ip = request.META['HTTP_X_FORWARDED_FOR']

            except Exception:

                return HttpResponse(status=403, content="IP Address not allowed")

            if not check_ip(proxy_ip, allowed):

                return HttpResponse(status=403, content="IP Address not allowed")

            return HttpResponse(status=403, content="Temporary token expired")

def check_ip(ip, allowed):

    for addr in allowed:

        # Check exact match

        if ip == addr:

            return True;

        # Check range match

        if addr.endswith('.0'):

            iprange = ip[0:ip.rfind(".")]

            if addr.startswith(iprange):

                return True

        else:

            continue

        return False

# vim: set fileencoding=utf-8 :

# Copyright 2011 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

#

#   1. Redistributions of source code must retain the above copyright

#      notice, this list of conditions and the following disclaimer.

#

#  2. Redistributions in binary form must reproduce the above copyright

#     notice, this list of conditions and the following disclaimer in the

#     documentation and/or other materials provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

# SUCH DAMAGE.

#

# The views and conclusions contained in the software and documentation are

# those of the authors and should not be interpreted as representing official

# policies, either expressed or implied, of GRNET S.A.

from django.test import TestCase

from django.test.client import Client

from synnefo.helpdesk.middleware import check_ip

class HelpdeskTestCase(TestCase):

    apibase = '/api/v1.1'

    def setUp(self):

        self.client = Client()

    def test_check_ip(self):

        range = ('127.0.0.1', '195.251.249.0')

        ip = '127.0.0.1'

        self.assertTrue(check_ip(ip, range))

        ip = '195.251.249.212'

        self.assertTrue(check_ip(ip, range))

        ip = '195.234.249.2'

        self.assertFalse(check_ip(ip, range))

# Duration for temporary auth tokens, created for impersonating a registered

# user by helpdesk staff.

HELPDESK_ALLOWED_IPS = ("127.0.0.1",)