109 lines
4.1 KiB
Python
109 lines
4.1 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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import base64
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import binascii
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from django.utils.translation import ugettext_lazy as _
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from castellan.common.objects import opaque_data
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from horizon import exceptions
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from horizon import forms
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from horizon import messages
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from castellan_ui.api import client
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from castellan_ui.content import shared_forms
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class ImportOpaqueData(forms.SelfHandlingForm):
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name = forms.RegexField(required=False,
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max_length=255,
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label=_("Data Name"),
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regex=shared_forms.NAME_REGEX,
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error_messages=shared_forms.ERROR_MESSAGES)
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source_type = forms.ChoiceField(
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label=_('Source'),
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required=False,
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choices=[('file', _('File')),
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('raw', _('Direct Input'))],
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widget=forms.ThemableSelectWidget(
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attrs={'class': 'switchable', 'data-slug': 'source'}))
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object_file = forms.FileField(
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label=_("Choose file"),
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help_text=_("A local file to upload."),
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widget=forms.FileInput(
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attrs={'class': 'switched', 'data-switch-on': 'source',
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'data-source-file': _('File')}),
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required=False)
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direct_input = forms.CharField(
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label=_('Object Bytes'),
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help_text=_('The bytes of the object, represented in hex.'),
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widget=forms.widgets.Textarea(
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attrs={'class': 'switched', 'data-switch-on': 'source',
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'data-source-raw': _('Bytes')}),
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required=False)
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def __init__(self, request, *args, **kwargs):
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super(ImportOpaqueData, self).__init__(request, *args, **kwargs)
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def clean(self):
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data = super(ImportOpaqueData, self).clean()
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# The data can be missing based on particular upload
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# conditions. Code defensively for it here...
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data_file = data.get('object_file', None)
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data_raw = data.get('direct_input', None)
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if data_raw and data_file:
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raise forms.ValidationError(
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_("Cannot specify both file and direct input."))
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if not data_raw and not data_file:
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raise forms.ValidationError(
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_("No input was provided for the object value."))
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try:
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if data_file:
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data_bytes = self.files['object_file'].read()
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else:
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data_str = data['direct_input']
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data_bytes = binascii.unhexlify(data_str)
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data['object_bytes'] = base64.b64encode(data_bytes)
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except Exception as e:
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msg = _('There was a problem loading the object: %s. '
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'Is the object valid and in the correct format?') % e
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raise forms.ValidationError(msg)
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return data
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def handle(self, request, data):
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try:
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data_bytes = data.get('object_bytes')
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data_uuid = client.import_object(
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request,
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data=data_bytes,
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name=data['name'],
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object_type=opaque_data.OpaqueData)
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if data['name']:
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data_identifier = data['name']
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else:
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data_identifier = data_uuid
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messages.success(request,
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_('Successfully imported object: %s')
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% data_identifier)
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return data_uuid
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except Exception as e:
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msg = _('Unable to import object: %s')
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messages.error(msg % e)
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exceptions.handle(request, ignore=True)
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self.api_error(_('Unable to import object.'))
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return False
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