Synnefo » Pithos

# Copyright 2011-2012 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 GRNET S.A. ``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 GRNET S.A 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.

import logging

from urlparse import urlparse

from django.http import HttpResponseNotFound, HttpResponseRedirect

from django.utils.http import urlencode

from pithos.api.settings import AUTHENTICATION_URL, AUTHENTICATION_USERS

logger = logging.getLogger(__name__)

def redirect_to_login_service(request):

    url = AUTHENTICATION_URL

    users = AUTHENTICATION_USERS

    if users or not url:

        return HttpResponseNotFound()

    p = urlparse(url)

    if request.is_secure():

        proto = 'https://'

    else:

        proto = 'http://'

    next = request.GET.get('next', '')

    params = {'next': next}

    renew = 'renew' in request.GET

    if renew:

        params['renew'] = True

    uri = proto + p.netloc + '/login?' + urlencode(params)

    return HttpResponseRedirect(uri)