mirror of
https://github.com/GNS3/gns3-server
synced 2024-11-28 11:18:11 +00:00
113 lines
3.9 KiB
Python
113 lines
3.9 KiB
Python
# -*- coding: utf-8 -*-
|
|
#
|
|
# Copyright (C) 2015 GNS3 Technologies Inc.
|
|
#
|
|
# 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, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# 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, see <http://www.gnu.org/licenses/>.
|
|
|
|
import json
|
|
import jsonschema
|
|
import asyncio
|
|
import aiohttp.web
|
|
import asyncio
|
|
import logging
|
|
import sys
|
|
import jinja2
|
|
|
|
from ..utils.get_resource import get_resource
|
|
from ..version import __version__
|
|
|
|
log = logging.getLogger(__name__)
|
|
renderer = jinja2.Environment(loader=jinja2.FileSystemLoader(get_resource('templates')))
|
|
|
|
|
|
class Response(aiohttp.web.Response):
|
|
|
|
def __init__(self, request=None, route=None, output_schema=None, headers={}, **kwargs):
|
|
self._route = route
|
|
self._output_schema = output_schema
|
|
self._request = request
|
|
headers['X-Route'] = self._route
|
|
headers['Server'] = "Python/{0[0]}.{0[1]} GNS3/{1}".format(sys.version_info, __version__)
|
|
super().__init__(headers=headers, **kwargs)
|
|
|
|
@asyncio.coroutine
|
|
def prepare(self, request):
|
|
if log.getEffectiveLevel() == logging.DEBUG:
|
|
log.info("%s %s", request.method, request.path_qs)
|
|
log.debug("%s", dict(request.headers))
|
|
if isinstance(request.json, dict):
|
|
log.debug("%s", request.json)
|
|
log.info("Response: %d %s", self.status, self.reason)
|
|
log.debug(dict(self.headers))
|
|
if hasattr(self, 'body') and self.body is not None and self.headers["CONTENT-TYPE"] == "application/json":
|
|
log.debug(json.loads(self.body.decode('utf-8')))
|
|
return (yield from super().prepare(request))
|
|
|
|
def html(self, answer):
|
|
"""
|
|
Set the response content type to text/html and serialize
|
|
the content.
|
|
|
|
:param anwser The response as a Python object
|
|
"""
|
|
|
|
self.content_type = "text/html"
|
|
self.body = answer.encode('utf-8')
|
|
|
|
def template(self, template_filename, **kwargs):
|
|
"""
|
|
Render a template
|
|
|
|
:params template: Template name
|
|
:params kwargs: Template parameters
|
|
"""
|
|
template = renderer.get_template(template_filename)
|
|
kwargs["gns3_version"] = __version__
|
|
kwargs["gns3_host"] = self._request.host
|
|
self.html(template.render(**kwargs))
|
|
|
|
def json(self, answer):
|
|
"""
|
|
Set the response content type to application/json and serialize
|
|
the content.
|
|
|
|
:param anwser The response as a Python object
|
|
"""
|
|
|
|
self.content_type = "application/json"
|
|
if hasattr(answer, '__json__'):
|
|
answer = answer.__json__()
|
|
elif isinstance(answer, list):
|
|
newanswer = []
|
|
for elem in answer:
|
|
if hasattr(elem, '__json__'):
|
|
elem = elem.__json__()
|
|
newanswer.append(elem)
|
|
answer = newanswer
|
|
if self._output_schema is not None:
|
|
try:
|
|
jsonschema.validate(answer, self._output_schema)
|
|
except jsonschema.ValidationError as e:
|
|
log.error("Invalid output query. JSON schema error: {}".format(e.message))
|
|
raise aiohttp.web.HTTPBadRequest(text="{}".format(e))
|
|
self.body = json.dumps(answer, indent=4, sort_keys=True).encode('utf-8')
|
|
|
|
def redirect(self, url):
|
|
"""
|
|
Redirect to url
|
|
|
|
:params url: Redirection URL
|
|
"""
|
|
raise aiohttp.web.HTTPFound(url)
|