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, HttpResponseRedirect
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
43 from django.contrib.auth.decorators import login_required
45 from astakos.im.util import prepare_response, get_query
46 from astakos.im.views import requires_anonymous, signed_terms_required, \
47 requires_auth_provider
48 from astakos.im.models import AstakosUser, PendingThirdPartyUser
49 from astakos.im.forms import LoginForm, ExtendedPasswordChangeForm, \
50 ExtendedSetPasswordForm
51 from astakos.im.settings import (RATELIMIT_RETRIES_ALLOWED,
52 ENABLE_LOCAL_ACCOUNT_MIGRATION)
53 from astakos.im import settings
55 from ratelimit.decorators import ratelimit
57 retries = RATELIMIT_RETRIES_ALLOWED-1
58 rate = str(retries)+'/m'
60 @requires_auth_provider('local', login=True)
61 @require_http_methods(["GET", "POST"])
64 @ratelimit(field='username', method='POST', rate=rate)
65 def login(request, on_failure='im/login.html'):
67 on_failure: the template name to render on login failure
69 was_limited = getattr(request, 'limited', False)
70 form = LoginForm(data=request.POST, was_limited=was_limited, request=request)
71 next = get_query(request).get('next', '')
72 third_party_token = get_query(request).get('key', False)
74 if not form.is_valid():
75 return render_to_response(
79 'key': third_party_token},
80 context_instance=RequestContext(request)
82 # get the user from the cash
83 user = form.user_cache
87 message = _('Cannot authenticate account')
88 elif not user.is_active:
89 if not user.activation_sent:
90 message = _('Your request is pending activation')
92 url = reverse('send_activation', kwargs={'user_id':user.id})
93 msg = _('You have not followed the activation link.')
94 if settings.MODERATION_ENABLED:
95 msg_extra = ' ' + _('Please contact support.')
97 msg_extra = _('<a href="%s">Resend activation email?</a>') % url
99 message = msg + msg_extra
100 elif not user.can_login_with_auth_provider('local'):
102 'Local login is not the current authentication method for this account.'
106 messages.error(request, message)
107 return render_to_response(on_failure,
108 {'login_form': form},
109 context_instance=RequestContext(request))
111 response = prepare_response(request, user, next)
112 if third_party_token:
113 # use requests to assign the account he just authenticated with with
114 # a third party provider account
116 request.user.add_pending_auth_provider(third_party_token)
117 messages.success(request, _('Your new login method has been added'))
118 except PendingThirdPartyUser.DoesNotExist:
119 messages.error(request, _('Account method assignment failed'))
123 @require_http_methods(["GET", "POST"])
124 @signed_terms_required
126 @requires_auth_provider('local', login=True)
127 def password_change(request, template_name='registration/password_change_form.html',
128 post_change_redirect=None, password_change_form=ExtendedPasswordChangeForm):
130 create_password = False
132 # no local backend user wants to create a password
133 if not request.user.has_auth_provider('local'):
134 create_password = True
135 password_change_form = ExtendedSetPasswordForm
137 if post_change_redirect is None:
138 post_change_redirect = reverse('edit_profile')
140 if request.method == "POST":
145 if not create_password:
146 form_kwargs['session_key'] = session_key=request.session.session_key
148 form = password_change_form(**form_kwargs)
151 return HttpResponseRedirect(post_change_redirect)
153 form = password_change_form(user=request.user)
154 return render_to_response(template_name, {
156 }, context_instance=RequestContext(request))