149 lines
4.9 KiB
Python
149 lines
4.9 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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import os
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import tornado
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from tornado.web import Application
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from tornado.httpserver import HTTPServer
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from tornado.ioloop import PeriodicCallback
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import settings
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import directory
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import state
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import user
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import json
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from utils import valid, get_public_ipv6
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import nodeapi
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import cert
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import logging
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logger = logging.getLogger('oml.node.server')
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class NodeHandler(tornado.web.RequestHandler):
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def initialize(self, app):
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self.app = app
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def post(self):
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request = self.request
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if request.method == 'POST':
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'''
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API
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pullChanges [userid] from [to]
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pushChanges [index, change]
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requestPeering username message
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acceptPeering username message
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rejectPeering message
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removePeering message
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ping responds public ip
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'''
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key = str(request.headers['X-Ed25519-Key'])
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sig = str(request.headers['X-Ed25519-Signature'])
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data = request.body
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content = {}
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if valid(key, data, sig):
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action, args = json.loads(data)
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logger.debug('NODE action %s %s (%s)', action, args, key)
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if action == 'ping':
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content = {
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'ip': request.remote_addr
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}
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else:
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with self.app.app_context():
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u = user.models.User.get(key)
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if action in (
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'requestPeering', 'acceptPeering', 'rejectPeering', 'removePeering'
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) or (u and u.peered):
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content = getattr(nodeapi, 'api_' + action)(self.app, key, *args)
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else:
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if u and u.pending:
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logger.debug('ignore request from pending peer[%s] %s (%s)', key, action, args)
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content = {}
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else:
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logger.debug('PEER %s IS UNKNOWN SEND 403', key)
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self.set_status(403)
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content = {
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'status': 'not peered'
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}
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content = json.dumps(content)
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sig = settings.sk.sign(content, encoding='base64')
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self.set_header('X-Ed25519-Signature', sig)
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self.write(content)
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self.finish()
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def get(self):
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self.write('Open Media Library')
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self.finish()
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class ShareHandler(tornado.web.RequestHandler):
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def initialize(self, app):
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self.app = app
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def get(self, id):
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with self.app.app_context():
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import item.models
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i = item.models.Item.get(id)
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if not i:
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self.set_status(404)
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self.finish()
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path = i.get_path()
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mimetype = {
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'epub': 'application/epub+zip',
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'pdf': 'application/pdf',
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'txt': 'text/plain',
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}.get(path.split('.')[-1], None)
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self.set_header('Content-Type', mimetype)
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logger.debug('GET file %s', id)
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with open(path, 'rb') as f:
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while 1:
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data = f.read(16384)
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if not data:
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break
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self.write(data)
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self.finish()
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def publish_node(app):
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host = get_public_ipv6()
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state.online = directory.put(settings.sk, {
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'host': host,
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'port': settings.server['node_port'],
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'cert': settings.server['cert']
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})
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if state.online:
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with app.app_context():
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for u in user.models.User.query.filter_by(queued=True):
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logger.debug('adding queued node... %s', u.id)
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state.nodes.queue('add', u.id)
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state.check_nodes = PeriodicCallback(lambda: check_nodes(app), 60000)
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state.check_nodes.start()
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def check_nodes(app):
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if state.online:
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with app.app_context():
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for u in user.models.User.query.filter_by(queued=True):
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if not state.nodes.check_online(u.id):
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logger.debug('queued peering message for %s trying to connect...', u.id)
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state.nodes.queue('add', u.id)
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def start(app):
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application = Application([
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(r"/get/(.*)", ShareHandler, dict(app=app)),
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(r".*", NodeHandler, dict(app=app)),
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])
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if not os.path.exists(settings.ssl_cert_path):
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settings.server['cert'] = cert.generate_ssl()
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http_server = HTTPServer(application, ssl_options={
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"certfile": settings.ssl_cert_path,
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"keyfile": settings.ssl_key_path
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})
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http_server.listen(settings.server['node_port'], settings.server['node_address'])
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state.main.add_callback(publish_node, app)
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return http_server
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