148 lines
5.5 KiB
Python
148 lines
5.5 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from django.core.urlresolvers import reverse
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from django.core.urlresolvers import reverse_lazy
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from django.http import HttpResponse
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from django.utils.translation import ugettext_lazy as _
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from cryptography.hazmat import backends
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from cryptography.hazmat.primitives import serialization
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from castellan.common.objects import public_key
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from castellan_ui.api import client
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from castellan_ui.content.public_keys import forms as public_key_forms
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from castellan_ui.content.public_keys import tables
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from castellan_ui.content import shared_forms
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from datetime import datetime
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from horizon import exceptions
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from horizon import forms
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from horizon.tables import views as tables_views
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from horizon.utils import memoized
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from horizon import views
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def download_key(request, object_id):
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try:
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obj = client.get(request, object_id)
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data = obj.get_encoded()
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key_obj = serialization.load_der_public_key(
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data, backend=backends.default_backend())
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key_pem = key_obj.public_bytes(
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encoding=serialization.Encoding.PEM,
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format=serialization.PublicFormat.SubjectPublicKeyInfo)
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response = HttpResponse()
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response.write(key_pem)
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response['Content-Disposition'] = ('attachment; '
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'filename="%s.key"' % object_id)
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response['Content-Length'] = str(len(response.content))
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return response
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except Exception:
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redirect = reverse('horizon:project:public_keys:index')
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msg = _('Unable to download public_key "%s".')\
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% (object_id)
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exceptions.handle(request, msg, redirect=redirect)
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class IndexView(tables_views.MultiTableView):
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table_classes = [
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tables.PublicKeyTable
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]
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template_name = 'public_keys.html'
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def get_public_key_data(self):
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try:
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return client.list(
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self.request, object_type=public_key.PublicKey)
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except Exception as e:
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msg = _('Unable to list private keys: "%s".') % (e.message)
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exceptions.handle(self.request, msg)
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return []
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class GenerateView(forms.ModalFormView):
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form_class = shared_forms.GenerateKeyPair
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template_name = 'public_key_generate.html'
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submit_url = reverse_lazy(
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"horizon:project:public_keys:generate")
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success_url = reverse_lazy('horizon:project:public_keys:index')
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submit_label = page_title = _("Generate Key Pair")
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class ImportView(forms.ModalFormView):
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form_class = public_key_forms.ImportPublicKey
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template_name = 'public_key_import.html'
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submit_url = reverse_lazy(
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"horizon:project:public_keys:import")
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success_url = reverse_lazy('horizon:project:public_keys:index')
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submit_label = page_title = _("Import Public Key")
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def get_object_id(self, key_uuid):
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return key_uuid
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class DetailView(views.HorizonTemplateView):
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template_name = 'public_key_detail.html'
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page_title = _("Public Key Details")
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@memoized.memoized_method
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def _get_data(self):
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try:
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obj = client.get(self.request, self.kwargs['object_id'])
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except Exception:
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redirect = reverse('horizon:project:public_keys:index')
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msg = _('Unable to retrieve details for public_key "%s".')\
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% (self.kwargs['object_id'])
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exceptions.handle(self.request, msg,
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redirect=redirect)
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return obj
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@memoized.memoized_method
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def _get_data_created_date(self, obj):
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try:
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created_date = datetime.utcfromtimestamp(obj.created).isoformat()
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except Exception:
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redirect = reverse('horizon:project:public_keys:index')
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msg = _('Unable to retrieve details for public_key "%s".')\
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% (self.kwargs['object_id'])
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exceptions.handle(self.request, msg,
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redirect=redirect)
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return created_date
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@memoized.memoized_method
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def _get_data_bytes(self, obj):
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try:
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key = serialization.load_der_public_key(
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obj.get_encoded(),
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backend=backends.default_backend())
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data_bytes = key.public_bytes(
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encoding=serialization.Encoding.PEM,
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format=serialization.PublicFormat.SubjectPublicKeyInfo)
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except Exception:
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redirect = reverse('horizon:project:public_keys:index')
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msg = _('Unable to retrieve details for public_key "%s".')\
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% (self.kwargs['object_id'])
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exceptions.handle(self.request, msg,
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redirect=redirect)
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return data_bytes
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def get_context_data(self, **kwargs):
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"""Gets the context data for key."""
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context = super(DetailView, self).get_context_data(**kwargs)
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obj = self._get_data()
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context['object'] = obj
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context['object_created_date'] = self._get_data_created_date(obj)
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context['object_bytes'] = self._get_data_bytes(obj)
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return context
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