Statistics
| Branch: | Tag: | Revision:

root / snf-astakos-app / astakos / im / middleware.py @ 4573cae0

History | View | Annotate | Download (2.5 kB)

1
# Copyright 2011 GRNET S.A. All rights reserved.
2
#
3
# Redistribution and use in source and binary forms, with or
4
# without modification, are permitted provided that the following
5
# conditions are met:
6
#
7
#   1. Redistributions of source code must retain the above
8
#      copyright notice, this list of conditions and the following
9
#      disclaimer.
10
#
11
#   2. Redistributions in binary form must reproduce the above
12
#      copyright notice, this list of conditions and the following
13
#      disclaimer in the documentation and/or other materials
14
#      provided with the distribution.
15
#
16
# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
17
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
20
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
26
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27
# POSSIBILITY OF SUCH DAMAGE.
28
#
29
# The views and conclusions contained in the software and
30
# documentation are those of the authors and should not be
31
# interpreted as representing official policies, either expressed
32
# or implied, of GRNET S.A.
33

    
34
from urllib import unquote
35
from urlparse import urlunsplit, urlsplit
36

    
37
from django.http import HttpResponse
38
from django.utils.http import urlencode
39

    
40
from astakos.im.cookie import Cookie
41
from astakos.im.settings import COOKIE_NAME
42
from astakos.im.util import get_query
43

    
44
class CookieAuthenticationMiddleware(object):
45
    def process_request(self, request):
46
        if request.user.is_authenticated():
47
            return
48
        
49
        cookie = unquote(request.COOKIES.get(COOKIE_NAME, ''))
50
        if not cookie:
51
            return
52
        
53
        response = HttpResponse(status=302)
54
        
55
        parts = list(urlsplit(request.path))
56
        params = get_query(request)
57
        parts[3] = urlencode(params)
58
        url = urlunsplit(parts)
59
        
60
        response['Location'] = url
61
        Cookie(request, response).fix()
62
        return response
63
    
64
    def process_response(self, request, response):
65
        Cookie(request, response).fix()
66
        return response