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#!/usr/bin/python
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright (C) 2014 Red Hat, Inc.
# All rights reserved.
#
# Author:
# Ade Lee <alee@redhat.com>
from __future__ import absolute_import
from __future__ import print_function
from six import iteritems
import pki
import pki.client as client
import pki.encoder as encoder
class Feature(object):
"""Class containing data about Features advertised by the CS server
"""
json_attribute_names = {
'id': 'feature_id',
'description': 'description',
'enabled': 'enabled',
'version': 'version'
}
def __init__(self, feature_id=None, version=None, description=None,
enabled="False"):
self.feature_id = feature_id
self.version = version
self.description = description
self.enabled = (enabled.lower() == "true")
def __repr__(self):
attributes = {
"Feature": {
"feature_id": self.feature_id,
"description": self.description,
"version": self.version,
"enabled": self.enabled
}
}
return str(attributes)
@classmethod
def from_json(cls, attr_list):
""" Return Feature object from JSON dict """
feature = cls()
for k, v in iteritems(attr_list):
if k in Feature.json_attribute_names:
setattr(feature, Feature.json_attribute_names[k], v)
else:
setattr(feature, k, v)
return feature
class FeatureCollection(object):
"""
Class containing list of Feature objects.
This data is returned when listing features.
"""
def __init__(self):
""" Constructor """
self.feature_list = []
self.links = []
def __iter__(self):
return iter(self.feature_list)
@classmethod
def from_json(cls, json_value):
""" Populate object from JSON input """
ret = cls()
features = json_value
if not isinstance(features, list):
ret.feature_list.append(Feature.from_json(features))
else:
for feature in features:
ret.feature_list.append(
Feature.from_json(feature))
return ret
class FeatureClient(object):
"""
Class encapsulating and mirroring the functionality in the
AuthorityResource Java interface class defining the REST API for
subordinate CA (authority) resources.
"""
def __init__(self, connection):
""" Constructor """
self.connection = connection
self.headers = {'Content-type': 'application/json',
'Accept': 'application/json'}
self.feature_url = '/rest/config/features'
@pki.handle_exceptions()
def get_feature(self, feature_id):
""" Return a Feature object. """
if feature_id is None:
raise ValueError("Feature ID must be specified")
url = self.feature_url + '/' + str(feature_id)
r = self.connection.get(url, self.headers)
return Feature.from_json(r.json())
@pki.handle_exceptions()
def list_features(self):
""" Return a FeatureCollection object of all available features
"""
response = self.connection.get(
path=self.feature_url,
headers=self.headers)
return FeatureCollection.from_json(response.json())
encoder.NOTYPES['Feature'] = Feature
def main():
# Create a PKIConnection object that stores the details of the CA.
connection = client.PKIConnection('https', 'localhost', '8453', 'ca')
# Instantiate the FeatureClient
feature_client = FeatureClient(connection)
# List all features
print("Listing all features")
print("-----------------------")
features = feature_client.list_features()
for feature in features.feature_list:
print(str(feature))
# Get authority feature
print("Getting authority feature")
print("-------------------------")
feature = feature_client.get_feature("authority")
print(str(feature))
# Get non-existent feature
print("Get non-existent feature")
print("------------------------")
try:
feature_client.get_feature("foobar")
except pki.ResourceNotFoundException as e:
print(e.message)
if __name__ == "__main__":
main()
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