1 # Copyright 2011-2012 GRNET S.A. All rights reserved.
3 # Redistribution and use in source and binary forms, with or
4 # without modification, are permitted provided that the following
7 # 1. Redistributions of source code must retain the above
8 # copyright notice, this list of conditions and the following
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.
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.
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.
34 from django.http import HttpResponseBadRequest
35 from django.shortcuts import render_to_response
36 from django.template import RequestContext
37 from django.contrib.auth import authenticate
38 from django.contrib import messages
39 from django.utils.translation import ugettext as _
40 from django.views.decorators.csrf import csrf_exempt
41 from django.views.decorators.http import require_http_methods
42 from django.core.urlresolvers import reverse
44 from astakos.im.util import prepare_response, get_query
45 from astakos.im.views import requires_anonymous
46 from astakos.im.models import AstakosUser, PendingThirdPartyUser
47 from astakos.im.forms import LoginForm
48 from astakos.im.settings import RATELIMIT_RETRIES_ALLOWED
49 from astakos.im.settings import ENABLE_LOCAL_ACCOUNT_MIGRATION
51 from ratelimit.decorators import ratelimit
53 retries = RATELIMIT_RETRIES_ALLOWED-1
54 rate = str(retries)+'/m'
56 @require_http_methods(["GET", "POST"])
59 @ratelimit(field='username', method='POST', rate=rate)
60 def login(request, on_failure='im/login.html'):
62 on_failure: the template name to render on login failure
64 was_limited = getattr(request, 'limited', False)
65 form = LoginForm(data=request.POST, was_limited=was_limited, request=request)
66 next = get_query(request).get('next', '')
67 username = get_query(request).get('key')
69 if not form.is_valid():
70 return render_to_response(
75 context_instance=RequestContext(request)
77 # get the user from the cash
78 user = form.user_cache
82 message = _('Cannot authenticate account')
83 elif not user.is_active:
84 if user.sent_activation:
85 message = _('Your request is pending activation')
87 message = _('You have not followed the activation link')
89 messages.add_message(request, messages.ERROR, message)
90 return render_to_response(on_failure,
92 context_instance=RequestContext(request))
94 # hook for switching account to use third party authentication
95 if ENABLE_LOCAL_ACCOUNT_MIGRATION and username:
97 new = PendingThirdPartyUser.objects.get(
102 _('Account failed to switch to %(provider)s' % locals())
104 return render_to_response(
108 context_instance=RequestContext(request)
111 user.provider = new.provider
112 user.third_party_identifier = new.third_party_identifier
117 _('Account successfully switched to %(provider)s' % user.__dict__)
119 return prepare_response(request, user, next)