Synnefo

import time

import urllib

            send_invitation(inv)

def login(request):

    if not request.method == 'GET':

        method_not_allowed(request)

    key = request.GET['key']

    if key is None:

        return HttpResponse("Required key is missing")

    PADDING = '{'

    DecodeAES = lambda c, e: c.decrypt(base64.b64decode(e)).rstrip(PADDING)

    cipher = AES.new(settings.INVITATION_ENCR_KEY)

    decoded = DecodeAES(cipher, key)

    users = SynnefoUser.objects.filter(auth_token = decoded)

    if users.count() is 0:

        return HttpResponse("Invalid key")

    user = users[0]

    invitations = Invitations.objects.filter(target = user)

    if invitations.count() is 0:

        return HttpResponse("Non-existent invitation")

    inv = invitations[0]

    valid = timedelta(days = settings.INVITATION_VALID_DAYS)

    valid_until = inv.created + valid

    if (time.time() -

        time.mktime(inv.created.timetuple()) -

        settings.INVITATION_VALID_DAYS * 3600) > 0:

        return HttpResponse("Invitation expired (was valid until %s)"%

                            valid_until.strftime('%A, %d %B %Y'))

    inv.accepted = True

    inv.save()

    response = HttpResponse()

    response.set_cookie('X-Auth-Token', value=user.auth_token,

                        expires = valid_until.strftime('%a, %d-%b-%Y %H:%M:%S %Z'),

                        path='/')

    response['X-Auth-Token'] = user.auth_token

    response['Location'] = settings.APP_INSTALL_URL

    response.status_code = 302

    return response

def send_invitation(invitation):

    url_safe = urllib.urlencode({'key': encoded})

    email['url'] = settings.APP_INSTALL_URL + "/invitations/login?" + url_safe

    print data