141 lines
3.8 KiB
Python
141 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division, print_function
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import json
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import os
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import signal
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import sys
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from tornado.httpserver import HTTPServer
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from tornado.ioloop import IOLoop
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from tornado.web import Application
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import tornado
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from proxy import ProxyHandler
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import nodes
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import nodeserver
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import settings
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import state
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import logging
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logger = logging.getLogger('server')
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def render_json(handler, response):
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response = json.dumps(response, indent=2)
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handler.set_header('Content-Type', 'application/json')
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handler.set_header('Content-Length', str(len(response)))
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handler.write(response)
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handler.finish()
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class ServiceHandler(tornado.web.RequestHandler):
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def handle(self, action):
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response = {}
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if self.request.body:
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data = json.loads(self.request.body)
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else:
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data = {}
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if action == 'add':
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settings.services[data['name']] = data['url']
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response = {'status': 200}
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elif action == 'remove':
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if data['name'] in settings.services:
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del settings.services[data['name']]
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response = {'status': 200}
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elif action == 'info':
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response['id'] = settings.USER_ID
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response['online'] = state.online
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response.update(state.nodes.info())
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else:
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self.set_status(500)
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response = {'error': 'unknown action'}
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return render_json(self, response)
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def get(self, action):
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return self.handle(action)
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def post(self, action):
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return self.handle(action)
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class RequestHandler(ProxyHandler):
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def sign(self):
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if self.request.body:
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sig = settings.sk.sign(self.request.body, encoding=settings.ENCODING)
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self.request.headers['X-Ed25519-Key'] = settings.USER_ID
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self.request.headers['X-Ed25519-Signature'] = sig
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def remote_url(self):
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try:
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user_id, uri = self.request.uri[1:].split('/', 1)
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except:
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return None
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node = state.nodes.get(user_id)
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if node:
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self.sign()
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url = node['url'] + '/' + uri
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return url, node['cert']
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else:
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if state.online:
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self.set_status(404)
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render_json(self, {'status': 'unknown peer'})
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else:
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self.set_status(500)
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render_json(self, {'status': 'offline'})
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return None
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def run(root_dir=None):
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if not root_dir:
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root_dir = os.path.normpath(os.path.join(os.path.abspath(os.path.dirname(__file__)), '..'))
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os.chdir(root_dir)
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PID = sys.argv[1] if len(sys.argv) > 1 else None
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if not PID:
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logging.basicConfig(level=logging.DEBUG)
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options = {
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'debug': False,
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}
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handlers = [
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(r'/(add|remove|info)', ServiceHandler),
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(r".*", RequestHandler),
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]
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http_server = HTTPServer(Application(handlers, **options))
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http_server.listen(settings.server['port'], settings.server['address'])
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if PID:
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with open(PID, 'w') as pid:
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pid.write('%s' % os.getpid())
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state.main = IOLoop.instance()
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state.node = nodeserver.start()
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def start_node():
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state.nodes = nodes.Nodes()
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state.main.add_callback(start_node)
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if ':' in settings.server['address']:
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host = '[%s]' % settings.server['address']
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elif not settings.server['address']:
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host = '[::1]'
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else:
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host = settings.server['address']
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url = 'http://%s:%s/' % (host, settings.server['port'])
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print('peerlink runnig at %s' % url)
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def shutdown():
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state.nodes.join()
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state.node.stop()
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http_server.stop()
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signal.signal(signal.SIGTERM, shutdown)
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try:
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state.main.start()
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except:
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print('shutting down...')
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shutdown()
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