Onionr/onionr/onionrservices/connectionserver.py
2019-06-29 13:18:31 -05:00

89 lines
3.9 KiB
Python
Executable File

'''
Onionr - Private P2P Communication
This module does the second part of the bootstrap block handshake and creates the API server
'''
'''
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 <https://www.gnu.org/licenses/>.
'''
from gevent.pywsgi import WSGIServer
from stem.control import Controller
from flask import Flask
import core, logger, httpapi
import onionrexceptions
from netcontroller import getOpenPort
import api
from onionrutils import stringvalidators, basicrequests, bytesconverter
from . import httpheaders
class ConnectionServer:
def __init__(self, peer, address, core_inst=None):
if core_inst is None:
self.core_inst = core.Core()
else:
self.core_inst = core_inst
if not stringvalidators.validate_pub_key(peer):
raise ValueError('Peer must be valid base32 ed25519 public key')
socks = core_inst.config.get('tor.socksport') # Load config for Tor socks port for proxy
service_app = Flask(__name__) # Setup Flask app for server.
service_port = getOpenPort()
service_ip = api.setBindIP()
http_server = WSGIServer(('127.0.0.1', service_port), service_app, log=None)
core_inst.onionrInst.communicatorInst.service_greenlets.append(http_server)
# TODO define basic endpoints useful for direct connections like stats
httpapi.load_plugin_blueprints(service_app, blueprint='direct_blueprint')
@service_app.route('/ping')
def get_ping():
return "pong!"
@service_app.route('/close')
def shutdown_server():
core_inst.onionrInst.communicatorInst.service_greenlets.remove(http_server)
http_server.stop()
return Response('goodbye')
@service_app.after_request
def afterReq(resp):
# Security headers
resp = httpheaders.set_default_onionr_http_headers(resp)
return resp
with Controller.from_port(port=core_inst.config.get('tor.controlPort')) as controller:
# Connect to the Tor process for Onionr
controller.authenticate(core_inst.config.get('tor.controlpassword'))
# Create the v3 onion service for the peer to connect to
response = controller.create_ephemeral_hidden_service({80: service_port}, await_publication = True, key_type='NEW', key_content = 'ED25519-V3')
try:
for x in range(3):
attempt = basicrequests.do_post_request(self.core_inst, 'http://' + address + '/bs/' + response.service_id, port=socks)
if attempt == 'success':
break
else:
raise ConnectionError
except ConnectionError:
# Re-raise
raise ConnectionError('Could not reach %s bootstrap address %s' % (peer, address))
else:
# If no connection error, create the service and save it to local global key store
self.core_inst.keyStore.put('dc-' + response.service_id, bytesconverter.bytes_to_str(peer))
logger.info('hosting on %s with %s' % (response.service_id, peer))
http_server.serve_forever()
http_server.stop()
self.core_inst.keyStore.delete('dc-' + response.service_id)