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#!/usr/bin/python3
# Copyright (C) 2018 Lars Wirzenius
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import copy
import json
import logging
import os
import sys
import uuid
import bottle
import requests
class MuckError(Exception):
pass
class MuckAPI:
_copy_headers = [
'Authorization',
'Muck-Id',
'Muck-Revision',
'Muck-Owner',
]
def __init__(self, url):
self._url = url
def _get_headers(self):
h = {}
for name in self._copy_headers:
value = bottle.request.get_header(name)
if value is not None:
h[name] = value
logging.debug('Copy header from request: %s: %s', name, value)
return h
def url(self, path):
return '{}{}'.format(self._url, path)
def status(self):
url = self.url('/status')
r = requests.get(url)
return r.json()
def show(self, rid):
url = self.url('/res')
headers = self._get_headers()
r = requests.get(url, headers=headers)
logging.info('Show result: %s %s', r.status_code, r.text)
if not r.ok:
raise MuckError('{} {}'.format(r.status_code, r.text))
return r.json()
def create(self, member):
url = self.url('/res')
headers = self._get_headers()
headers['Content-Type'] = 'application/json'
r = requests.post(url, headers=headers, data=json.dumps(member))
logging.info('Show result: %s %s', r.status_code, r.text)
if not r.ok:
raise MuckError('{} {}'.format(r.status_code, r.text))
return r.json()
def search(self, cond):
url = self.url('/search')
headers = self._get_headers()
headers['Content-Type'] = 'application/json'
r = requests.get(url, data=json.dumps(cond), headers=headers)
logging.info('Search result: %s %s', r.status_code, r.text)
if not r.ok:
raise MuckError('{} {}'.format(r.status_code, r.text))
return r.json()
class API:
def __init__(self, bottleapp, config):
self._add_routes(bottleapp)
self._muck = MuckAPI(config['muck-url'])
def _add_routes(self, bottleapp):
routes = [
{
'method': 'GET',
'path': '/status',
'callback': self._call(self._show_status),
},
{
'method': 'GET',
'path': '/mem',
'callback': self._call(self._show_member),
},
{
'method': 'GET',
'path': '/search',
'callback': self._call(self._search),
},
{
'method': 'POST',
'path': '/mem',
'callback': self._call(self._create),
},
]
for route in routes:
bottleapp.route(**route)
def _call(self, callback):
def helper():
r = bottle.request
logging.info('Request: path=%s', r.path)
logging.info('Request: content type: %s', r.content_type)
for h in r.headers:
logging.info('Request: headers: %s: %s', h, r.get_header(h))
logging.info('Request: body: %r', r.body.read())
return callback()
return helper
def _get_token(self):
r = bottle.request
authz = r.get_header('Authorization')
if not authz:
return None
w = authz.split()
if len(w) != 2:
return None
if w[0].lower() != 'bearer':
return None
return w[1]
def _show_status(self):
status = self._muck.status()
return response(200, status)
def _show_member(self):
rid = bottle.request.get_header('Muck-Id')
if rid is None:
return response(400)
try:
res = self._muck.show(rid)
return response(200, res)
except MuckError as e:
return response(404, str(e))
def _search(self):
cond = bottle.request.json
result = self._muck.search(cond)
return response(200, result)
def _create(self):
r = bottle.request
if r.content_type != 'application/json':
return response(400)
obj = bottle.request.json
logging.info('CREATE %r', repr(obj))
newobj = self._muck.create(obj)
return response(201, newobj)
def response(status, body):
headers = {}
if isinstance(body, dict):
headers['Content-Type'] = 'application/json'
return bottle.HTTPResponse(
status=status, body=json.dumps(body), headers=headers)
with open(sys.argv[1]) as f:
config = json.load(f)
logging.basicConfig(
filename=config['log'], level=logging.DEBUG,
format='%(asctime)s %(levelname)s %(message)s')
logging.info('Effi API starts')
if config.get('pid'):
pid = os.getpid()
with open(config['pid'], 'w') as f:
f.write(str(pid))
app = bottle.default_app()
api = API(app, config)
app.run(host='127.0.0.1', port=8080)
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