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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack LLC
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from keystone.common import logging
from keystone.common import wsgi
from keystone import config
from keystone import exception
LOG = logging.getLogger(__name__)
CONF = config.CONF
MEDIA_TYPE_JSON = 'application/vnd.openstack.identity-%s+json'
MEDIA_TYPE_XML = 'application/vnd.openstack.identity-%s+xml'
_VERSIONS = []
class Extensions(wsgi.Application):
"""Base extensions controller to be extended by public and admin API's."""
def __init__(self, extensions=None):
super(Extensions, self).__init__()
self.extensions = extensions or {}
def get_extensions_info(self, context):
return {'extensions': {'values': self.extensions.values()}}
def get_extension_info(self, context, extension_alias):
try:
return {'extension': self.extensions[extension_alias]}
except KeyError:
raise exception.NotFound(target=extension_alias)
class AdminExtensions(Extensions):
def __init__(self, *args, **kwargs):
super(AdminExtensions, self).__init__(*args, **kwargs)
# TODO(dolph): Extensions should obviously provide this information
# themselves, but hardcoding it here allows us to match
# the API spec in the short term with minimal complexity.
self.extensions['OS-KSADM'] = {
'name': 'Openstack Keystone Admin',
'namespace': 'http://docs.openstack.org/identity/api/ext/'
'OS-KSADM/v1.0',
'alias': 'OS-KSADM',
'updated': '2011-08-19T13:25:27-06:00',
'description': 'Openstack extensions to Keystone v2.0 API '
'enabling Admin Operations.',
'links': [
{
'rel': 'describedby',
# TODO(dolph): link needs to be revised after
# bug 928059 merges
'type': 'text/html',
'href': 'https://github.com/openstack/identity-api',
}
]
}
class PublicExtensions(Extensions):
pass
def register_version(version):
_VERSIONS.append(version)
class Version(wsgi.Application):
def __init__(self, version_type):
self.endpoint_url_type = version_type
super(Version, self).__init__()
def _get_identity_url(self, version='v2.0'):
"""Returns a URL to keystone's own endpoint."""
url = CONF['%s_endpoint' % self.endpoint_url_type] % CONF
if url[-1] != '/':
url += '/'
return '%s%s/' % (url, version)
def _get_versions_list(self, context):
"""The list of versions is dependent on the context."""
versions = {}
if 'v2.0' in _VERSIONS:
versions['v2.0'] = {
'id': 'v2.0',
'status': 'stable',
'updated': '2013-03-06T00:00:00Z',
'links': [
{
'rel': 'self',
'href': self._get_identity_url(version='v2.0'),
}, {
'rel': 'describedby',
'type': 'text/html',
'href': 'http://docs.openstack.org/api/openstack-'
'identity-service/2.0/content/'
}, {
'rel': 'describedby',
'type': 'application/pdf',
'href': 'http://docs.openstack.org/api/openstack-'
'identity-service/2.0/identity-dev-guide-'
'2.0.pdf'
}
],
'media-types': [
{
'base': 'application/json',
'type': MEDIA_TYPE_JSON % 'v2.0'
}, {
'base': 'application/xml',
'type': MEDIA_TYPE_XML % 'v2.0'
}
]
}
if 'v3' in _VERSIONS:
versions['v3'] = {
'id': 'v3.0',
'status': 'stable',
'updated': '2013-03-06T00:00:00Z',
'links': [
{
'rel': 'self',
'href': self._get_identity_url(version='v3'),
}
],
'media-types': [
{
'base': 'application/json',
'type': MEDIA_TYPE_JSON % 'v3'
}, {
'base': 'application/xml',
'type': MEDIA_TYPE_XML % 'v3'
}
]
}
return versions
def get_versions(self, context):
versions = self._get_versions_list(context)
return wsgi.render_response(status=(300, 'Multiple Choices'), body={
'versions': {
'values': versions.values()
}
})
def get_version_v2(self, context):
versions = self._get_versions_list(context)
if 'v2.0' in _VERSIONS:
return wsgi.render_response(body={
'version': versions['v2.0']
})
else:
raise exception.VersionNotFound(version='v2.0')
def get_version_v3(self, context):
versions = self._get_versions_list(context)
if 'v3' in _VERSIONS:
return wsgi.render_response(body={
'version': versions['v3']
})
else:
raise exception.VersionNotFound(version='v3')
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