257 lines
9.7 KiB
Python
257 lines
9.7 KiB
Python
# -*- coding: utf-8 -*-
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import argparse
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import base64
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import csv
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import logging
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import multiprocessing
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import os
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import pickle
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import signal
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import socket
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from advertiser import Advertiser
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from manager import Manager
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from listener import Listener
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import i2p.controller
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import i2p.listener
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import shared
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def handler(s, f):
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logging.info('Gracefully shutting down MiNode')
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shared.shutting_down = True
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def parse_arguments():
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parser = argparse.ArgumentParser()
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parser.add_argument('-p', '--port', help='Port to listen on', type=int)
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parser.add_argument('--host', help='Listening host')
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parser.add_argument('--debug', help='Enable debug logging', action='store_true')
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parser.add_argument('--data-dir', help='Path to data directory')
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parser.add_argument('--no-incoming', help='Do not listen for incoming connections', action='store_true')
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parser.add_argument('--no-outgoing', help='Do not send outgoing connections', action='store_true')
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parser.add_argument('--no-ip', help='Do not use IP network', action='store_true')
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parser.add_argument('--trusted-peer', help='Specify a trusted peer we should connect to')
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parser.add_argument('--connection-limit', help='Maximum number of connections', type=int)
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parser.add_argument('--i2p', help='Enable I2P support (uses SAMv3)', action='store_true')
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parser.add_argument('--i2p-tunnel-length', help='Length of I2P tunnels', type=int)
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parser.add_argument('--i2p-sam-host', help='Host of I2P SAMv3 bridge')
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parser.add_argument('--i2p-sam-port', help='Port of I2P SAMv3 bridge', type=int)
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parser.add_argument('--i2p-transient', help='Generate new I2P destination on start', action='store_true')
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args = parser.parse_args()
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if args.port:
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shared.listening_port = args.port
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if args.host:
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shared.listening_host = args.host
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if args.debug:
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shared.log_level = logging.DEBUG
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if args.data_dir:
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dir_path = args.data_dir
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if not dir_path.endswith('/'):
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dir_path += '/'
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shared.data_directory = dir_path
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if args.no_incoming:
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shared.listen_for_connections = False
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if args.no_outgoing:
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shared.send_outgoing_connections = False
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if args.no_ip:
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shared.ip_enabled = False
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if args.trusted_peer:
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if len(args.trusted_peer) > 50:
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# I2P
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shared.trusted_peer = (args.trusted_peer.encode(), 'i2p')
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else:
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colon_count = args.trusted_peer.count(':')
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if colon_count == 0:
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shared.trusted_peer = (args.trusted_peer, 8444)
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if colon_count == 1:
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addr = args.trusted_peer.split(':')
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shared.trusted_peer = (addr[0], int(addr[1]))
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if colon_count >= 2:
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# IPv6 <3
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addr = args.trusted_peer.split(']:')
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addr[0] = addr[0][1:]
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shared.trusted_peer = (addr[0], int(addr[1]))
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if args.connection_limit:
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shared.connection_limit = args.connection_limit
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if args.i2p:
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shared.i2p_enabled = True
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if args.i2p_tunnel_length:
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shared.i2p_tunnel_length = args.i2p_tunnel_length
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if args.i2p_sam_host:
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shared.i2p_sam_host = args.i2p_sam_host
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if args.i2p_sam_port:
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shared.i2p_sam_port = args.i2p_sam_port
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if args.i2p_transient:
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shared.i2p_transient = True
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def load_data():
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try:
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with open(shared.data_directory + 'objects.pickle', mode='br') as file:
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shared.objects = pickle.load(file)
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except Exception as e:
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logging.warning('Error while loading objects from disk.')
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logging.warning(e)
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try:
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with open(shared.data_directory + 'nodes.pickle', mode='br') as file:
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shared.node_pool = pickle.load(file)
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except Exception as e:
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logging.warning('Error while loading nodes from disk.')
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logging.warning(e)
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try:
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with open(shared.data_directory + 'i2p_nodes.pickle', mode='br') as file:
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shared.i2p_node_pool = pickle.load(file)
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except Exception as e:
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logging.warning('Error while loading nodes from disk.')
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logging.warning(e)
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with open(os.path.join(shared.source_directory, 'core_nodes.csv'), mode='r', newline='') as f:
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reader = csv.reader(f)
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shared.core_nodes = {tuple(row) for row in reader}
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shared.node_pool.update(shared.core_nodes)
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with open(os.path.join(shared.source_directory, 'i2p_core_nodes.csv'), mode='r', newline='') as f:
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reader = csv.reader(f)
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shared.i2p_core_nodes = {(row[0].encode(), 'i2p') for row in reader}
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shared.i2p_node_pool.update(shared.i2p_core_nodes)
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def bootstrap_from_dns():
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try:
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for item in socket.getaddrinfo('bootstrap8080.bitmessage.org', 80):
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shared.unchecked_node_pool.add((item[4][0], 8080))
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logging.debug('Adding ' + item[4][0] + ' to unchecked_node_pool based on DNS bootstrap method')
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for item in socket.getaddrinfo('bootstrap8444.bitmessage.org', 80):
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shared.unchecked_node_pool.add((item[4][0], 8444))
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logging.debug('Adding ' + item[4][0] + ' to unchecked_node_pool based on DNS bootstrap method')
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except Exception as e:
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logging.error('Error during DNS bootstrap')
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logging.error(e)
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def start_ip_listener():
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listener_ipv4 = None
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listener_ipv6 = None
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if socket.has_ipv6:
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try:
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listener_ipv6 = Listener(shared.listening_host, shared.listening_port, family=socket.AF_INET6)
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listener_ipv6.start()
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except Exception as e:
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logging.warning('Error while starting IPv6 listener on port {}'.format(shared.listening_port))
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logging.warning(e)
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try:
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listener_ipv4 = Listener(shared.listening_host, shared.listening_port)
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listener_ipv4.start()
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except Exception as e:
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if listener_ipv6:
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logging.warning('Error while starting IPv4 listener on port {}. '.format(shared.listening_port) +
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'However the IPv6 one seems to be working and will probably accept IPv4 connections.')
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else:
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logging.error('Error while starting IPv4 listener on port {}. '.format(shared.listening_port) +
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'You will not receive incoming connections. Please check your port configuration')
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logging.error(e)
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def start_i2p_listener():
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# Grab I2P destinations from old object file
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for obj in shared.objects.values():
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if obj.object_type == shared.i2p_dest_obj_type:
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shared.i2p_unchecked_node_pool.add((base64.b64encode(obj.object_payload, altchars=b'-~'), 'i2p'))
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dest_priv = b''
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if not shared.i2p_transient:
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try:
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with open(shared.data_directory + 'i2p_dest_priv.key', mode='br') as file:
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dest_priv = file.read()
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logging.debug('Loaded I2P destination private key.')
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except Exception as e:
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logging.warning('Error while loading I2P destination private key.')
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logging.warning(e)
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logging.info('Starting I2P Controller and creating tunnels. This may take a while.')
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i2p_controller = i2p.controller.I2PController(shared.i2p_sam_host, shared.i2p_sam_port, dest_priv)
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i2p_controller.start()
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shared.i2p_dest_pub = i2p_controller.dest_pub
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shared.i2p_session_nick = i2p_controller.nick
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logging.info('Local I2P destination: {}'.format(shared.i2p_dest_pub.decode()))
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logging.info('I2P session nick: {}'.format(shared.i2p_session_nick.decode()))
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logging.info('Starting I2P Listener')
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i2p_listener = i2p.listener.I2PListener(i2p_controller.nick)
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i2p_listener.start()
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if not shared.i2p_transient:
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try:
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with open(shared.data_directory + 'i2p_dest_priv.key', mode='bw') as file:
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file.write(i2p_controller.dest_priv)
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logging.debug('Saved I2P destination private key.')
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except Exception as e:
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logging.warning('Error while saving I2P destination private key.')
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logging.warning(e)
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try:
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with open(shared.data_directory + 'i2p_dest.pub', mode='bw') as file:
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file.write(shared.i2p_dest_pub)
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logging.debug('Saved I2P destination public key.')
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except Exception as e:
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logging.warning('Error while saving I2P destination public key.')
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logging.warning(e)
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def main():
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signal.signal(signal.SIGINT, handler)
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signal.signal(signal.SIGTERM, handler)
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parse_arguments()
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logging.basicConfig(level=shared.log_level, format='[%(asctime)s] [%(levelname)s] %(message)s')
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logging.info('Starting MiNode')
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logging.info('Data directory: {}'.format(shared.data_directory))
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if not os.path.exists(shared.data_directory):
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try:
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os.makedirs(shared.data_directory)
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except Exception as e:
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logging.warning('Error while creating data directory in: {}'.format(shared.data_directory))
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logging.warning(e)
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load_data()
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if shared.ip_enabled and not shared.trusted_peer:
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bootstrap_from_dns()
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if shared.i2p_enabled:
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# We are starting it before cleaning expired objects so we can collect I2P destination objects
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start_i2p_listener()
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for vector in set(shared.objects):
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if not shared.objects[vector].is_valid():
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if shared.objects[vector].is_expired():
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logging.debug('Deleted expired object: {}'.format(base64.b16encode(vector).decode()))
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else:
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logging.warning('Deleted invalid object: {}'.format(base64.b16encode(vector).decode()))
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del shared.objects[vector]
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manager = Manager()
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manager.start()
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advertiser = Advertiser()
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advertiser.start()
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if shared.listen_for_connections:
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start_ip_listener()
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if __name__ == '__main__':
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multiprocessing.set_start_method('spawn')
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main()
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