code.grnet.gr Git - astakos/blob - snf-astakos-app/astakos/im/target/local.py

   1 # Copyright 2011-2012 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 django.http import HttpResponseRedirect
  35 from django.shortcuts import render_to_response
  36 from django.template import RequestContext
  37 from django.contrib import messages
  38 from django.utils.translation import ugettext as _
  39 from django.views.decorators.csrf import csrf_exempt
  40 from django.views.decorators.http import require_http_methods
  41 from django.core.urlresolvers import reverse
  42 from django.contrib.auth.decorators import login_required
  43
  44 from astakos.im.util import prepare_response, get_query
  45 from astakos.im.views import requires_anonymous, signed_terms_required
  46 from astakos.im.models import PendingThirdPartyUser
  47 from astakos.im.forms import LoginForm, ExtendedPasswordChangeForm, \
  48                              ExtendedSetPasswordForm
  49 from astakos.im.settings import (RATELIMIT_RETRIES_ALLOWED,
  50                                 ENABLE_LOCAL_ACCOUNT_MIGRATION)
  51 import astakos.im.messages as astakos_messages
  52 from astakos.im.views import requires_auth_provider
  53 from astakos.im import settings
  54
  55 from ratelimit.decorators import ratelimit
  56
  57 retries = RATELIMIT_RETRIES_ALLOWED - 1
  58 rate = str(retries) + '/m'
  59
  60
  61 @requires_auth_provider('local', login=True)
  62 @require_http_methods(["GET", "POST"])
  63 @csrf_exempt
  64 @requires_anonymous
  65 @ratelimit(field='username', method='POST', rate=rate)
  66 def login(request, on_failure='im/login.html'):
  67     """
  68     on_failure: the template name to render on login failure
  69     """
  70     was_limited = getattr(request, 'limited', False)
  71     form = LoginForm(data=request.POST,
  72                      was_limited=was_limited,
  73                      request=request)
  74     next = get_query(request).get('next', '')
  75     third_party_token = get_query(request).get('key', False)
  76
  77     if not form.is_valid():
  78         return render_to_response(
  79             on_failure,
  80             {'login_form':form,
  81              'next':next,
  82              'key': third_party_token},
  83             context_instance=RequestContext(request))
  84
  85     # get the user from the cache
  86     user = form.user_cache
  87
  88     message = None
  89     if not user:
  90         message = _(astakos_messages.ACCOUNT_AUTHENTICATION_FAILED)
  91     elif not user.is_active:
  92         message = user.get_inactive_message()
  93
  94     elif not user.can_login_with_auth_provider('local'):
  95         # valid user logged in with no auth providers set, add local provider
  96         # and let him log in
  97         if user.auth_providers.count() == 0:
  98             user.add_auth_provider('local')
  99         else:
 100             message = _(astakos_messages.NO_LOCAL_AUTH)
 101
 102     if message:
 103         messages.error(request, message)
 104         return render_to_response(on_failure,
 105                                   {'login_form': form},
 106                                   context_instance=RequestContext(request))
 107
 108     response = prepare_response(request, user, next)
 109     if third_party_token:
 110         # use requests to assign the account he just authenticated with with
 111         # a third party provider account
 112         try:
 113             request.user.add_pending_auth_provider(third_party_token)
 114             messages.success(request, _(astakos_messages.AUTH_PROVIDER_ADDED))
 115         except PendingThirdPartyUser.DoesNotExist:
 116             messages.error(request, _(astakos_messages.AUTH_PROVIDER_ADD_FAILED))
 117
 118     messages.success(request, _(astakos_messages.LOGIN_SUCCESS))
 119     return response
 120
 121
 122 @require_http_methods(["GET"])
 123 def password_reset_done(request, *args, **kwargs):
 124     messages.success(request, _(astakos_messages.PASSWORD_RESET_DONE))
 125     return HttpResponseRedirect(reverse('index'))
 126
 127
 128 @require_http_methods(["GET"])
 129 def password_reset_confirm_done(request, *args, **kwargs):
 130     messages.success(request, _(astakos_messages.PASSWORD_RESET_CONFIRM_DONE))
 131     return HttpResponseRedirect(reverse('index'))
 132
 133
 134 @require_http_methods(["GET", "POST"])
 135 @signed_terms_required
 136 @login_required
 137 @requires_auth_provider('local', login=True)
 138 def password_change(request, template_name='registration/password_change_form.html',
 139                     post_change_redirect=None, password_change_form=ExtendedPasswordChangeForm):
 140
 141     create_password = False
 142
 143     # no local backend user wants to create a password
 144     if not request.user.has_auth_provider('local'):
 145         create_password = True
 146         password_change_form = ExtendedSetPasswordForm
 147
 148     if post_change_redirect is None:
 149         post_change_redirect = reverse('edit_profile')
 150
 151     if request.method == "POST":
 152         form_kwargs = dict(
 153             user=request.user,
 154             data=request.POST,
 155         )
 156         if not create_password:
 157             form_kwargs['session_key'] = session_key=request.session.session_key
 158
 159         form = password_change_form(**form_kwargs)
 160         if form.is_valid():
 161             form.save()
 162             return HttpResponseRedirect(post_change_redirect)
 163     else:
 164         form = password_change_form(user=request.user)
 165     return render_to_response(template_name, {
 166         'form': form,
 167     }, context_instance=RequestContext(request))
 168