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# Copyright 2015 Open Platform for NFV Project, Inc. and its contributors
# This software is distributed under the terms and conditions of the 'Apache-2.0'
# license which can be found in the file 'LICENSE' in this package distribution
# or at 'http://www.apache.org/licenses/LICENSE-2.0'.
from flask import Flask
from flask_restful import Resource, Api
import logging
from moon_authz import __version__
from moon_authz.api.authorization import Authz
from python_moonutilities.cache import Cache
from python_moonutilities import exceptions
logger = logging.getLogger("moon.authz.http_server")
CACHE = Cache()
CACHE.update()
class Server:
"""Base class for HTTP server"""
def __init__(self, host="localhost", port=80, api=None, **kwargs):
"""Run a server
:param host: hostname of the server
:param port: port for the running server
:param kwargs: optional parameters
:return: a running server
"""
self._host = host
self._port = port
self._api = api
self._extra = kwargs
@property
def host(self):
return self._host
@host.setter
def host(self, name):
self._host = name
@host.deleter
def host(self):
self._host = ""
@property
def port(self):
return self._port
@port.setter
def port(self, number):
self._port = number
@port.deleter
def port(self):
self._port = 80
def run(self):
raise NotImplementedError()
__API__ = (
Authz,
)
class Root(Resource):
"""
The root of the web service
"""
__urls__ = ("/", )
__methods = ("get", "post", "put", "delete", "options")
def get(self):
tree = {"/": {"methods": ("get",),
"description": "List all methods for that service."}}
for item in __API__:
tree[item.__name__] = {"urls": item.__urls__}
_methods = []
for _method in self.__methods:
if _method in dir(item):
_methods.append(_method)
tree[item.__name__]["methods"] = _methods
tree[item.__name__]["description"] = item.__doc__.strip()
return {
"version": __version__,
"tree": tree
}
def head(self):
return "", 201
class HTTPServer(Server):
def __init__(self, host="localhost", port=38001, **kwargs):
super(HTTPServer, self).__init__(host=host, port=port, **kwargs)
self.component_data = kwargs.get("component_data", {})
logger.info("HTTPServer port={} {}".format(port, kwargs))
self.app = Flask(__name__)
self._port = port
self._host = host
self.component_id = kwargs.get("component_id")
self.keystone_project_id = kwargs.get("keystone_project_id")
self.container_chaining = kwargs.get("container_chaining")
self.api = Api(self.app)
self.__set_route()
# self.__hook_errors()
@self.app.errorhandler(exceptions.AuthException)
def _auth_exception(error):
return {"error": "Unauthorized"}, 401
def __hook_errors(self):
# FIXME (dthom): it doesn't work
def get_404_json(e):
return {"error": "Error", "code": 404, "description": e}
self.app.register_error_handler(404, get_404_json)
def get_400_json(e):
return {"error": "Error", "code": 400, "description": e}
self.app.register_error_handler(400, lambda e: get_400_json)
self.app.register_error_handler(403, exceptions.AuthException)
def __set_route(self):
self.api.add_resource(Root, '/')
for api in __API__:
self.api.add_resource(api, *api.__urls__,
resource_class_kwargs={
"component_data": self.component_data,
"cache": CACHE
}
)
def run(self):
self.app.run(host=self._host, port=self._port, threaded=True) # nosec
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