118 lines
3.7 KiB
Python
118 lines
3.7 KiB
Python
"""Onionr - Private P2P Communication.
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Torgossip client
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Create streams to random peers
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"""
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import sys
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from base64 import b32encode
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from os import path
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from time import sleep
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from typing import TYPE_CHECKING
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from random import SystemRandom
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import socks as socket
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from netcontroller.torcontrol.onionserviceonline import service_online_recently
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from netcontroller.torcontrol import torcontroller
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import logger
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if TYPE_CHECKING:
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from .peerdb import TorGossipPeers
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from stem.control import Controller
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sys.path.insert(0, path.dirname(path.realpath(__file__)))
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from commands import GossipCommands
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from clientfuncs import download_blocks
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"""
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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"""
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def client_funcs(shared_state, socket_pool):
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controller = torcontroller.get_controller()
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def _client_pool(shared_state, socket_pool: dict):
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peer_db: 'TorGossipPeers' = shared_state.get_by_string('TorGossipPeers')
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socks_port = shared_state.get_by_string('NetController').socksPort
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peers = peer_db.get_highest_score_peers(20)
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SystemRandom().shuffle(peers)
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for peer in peers:
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if peer in socket_pool:
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continue
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if not service_online_recently(controller, peer):
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continue
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s = socket.socksocket()
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s.set_proxy(
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socket.SOCKS5, '127.0.0.1', socks_port, rdns=True)
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try:
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socket_pool[peer] = s.connect(
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(b32encode(peer).decode().lower() + ".onion", 2021))
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except socket.GeneralProxyError:
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s.close()
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def client_loop(shared_state, socket_pool):
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sleep_t = 60
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block_db = shared_state.get_by_string('SafeDB')
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peer_db = shared_state.get_by_string('TorGossipPeers')
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while True:
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if not socket_pool:
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_client_pool(shared_state, socket_pool)
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peers = list(socket_pool)
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SystemRandom().shuffle(peers)
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try:
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peer = peers[0]
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except IndexError:
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logger.error(
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"There are no known TorGossip peers." +
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f"Sleeping for {sleep_t}s",
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terminal=True)
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sleep(sleep_t)
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continue
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download_blocks(socket_pool[peer], 0, 'txt')
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_client_pool(shared_state, socket_pool)
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client_loop(shared_state, socket_pool)
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def _add_bootstrap_peers(peer_db: 'TorGossipPeers'):
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if len(peer_db.db.db_conn.keys()):
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return
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bootstap_peers = path.dirname(path.realpath(__file__)) + "/bootstrap.txt"
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with open(bootstap_peers, 'r') as bs_peers:
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peers = bs_peers.read().split(',')
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for peer in peers:
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try:
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peer_db.db.get(peer)
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except KeyError:
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pass
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else:
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continue
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if peer:
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peer_db.add_peer(peer)
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def start_client(shared_state):
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# add boot strap peers to db if we need peers
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_add_bootstrap_peers(shared_state.get_by_string('TorGossipPeers'))
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# create and fill pool of sockets to peers (over tor socks)
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socket_pool = {}
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client_funcs(shared_state, socket_pool)
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