This repository has been archived on 2024-12-21. You can view files and clone it, but cannot push or open issues or pull requests.
PyBitmessage-2024-12-21/src/helper_bootstrap.py
Peter Surda ab79ee2a04
Proxy error handling
- UI will now display notifications in the status bar if the connection
  to the proxy itself is broken. This should give better feedback to
  people who are unfamiliar with tor and misconfigured it
- The proxy error handling in the background was slightly improved as
  well
2016-10-20 01:49:40 +02:00

95 lines
5.0 KiB
Python

import shared
import socket
import defaultKnownNodes
import pickle
import time
from debug import logger
import socks
def knownNodes():
try:
# We shouldn't have to use the shared.knownNodesLock because this had
# better be the only thread accessing knownNodes right now.
pickleFile = open(shared.appdata + 'knownnodes.dat', 'rb')
loadedKnownNodes = pickle.load(pickleFile)
pickleFile.close()
# The old format of storing knownNodes was as a 'host: (port, time)'
# mapping. The new format is as 'Peer: time' pairs. If we loaded
# data in the old format, transform it to the new style.
for stream, nodes in loadedKnownNodes.items():
shared.knownNodes[stream] = {}
for node_tuple in nodes.items():
try:
host, (port, lastseen) = node_tuple
peer = shared.Peer(host, port)
except:
peer, lastseen = node_tuple
shared.knownNodes[stream][peer] = lastseen
except:
shared.knownNodes = defaultKnownNodes.createDefaultKnownNodes(shared.appdata)
# your own onion address, if setup
if shared.config.has_option('bitmessagesettings', 'onionhostname') and ".onion" in shared.config.get('bitmessagesettings', 'onionhostname'):
shared.knownNodes[1][shared.Peer(shared.config.get('bitmessagesettings', 'onionhostname'), shared.config.getint('bitmessagesettings', 'onionport'))] = int(time.time())
if shared.config.getint('bitmessagesettings', 'settingsversion') > 10:
logger.error('Bitmessage cannot read future versions of the keys file (keys.dat). Run the newer version of Bitmessage.')
raise SystemExit
def dns():
# DNS bootstrap. This could be programmed to use the SOCKS proxy to do the
# DNS lookup some day but for now we will just rely on the entries in
# defaultKnownNodes.py. Hopefully either they are up to date or the user
# has run Bitmessage recently without SOCKS turned on and received good
# bootstrap nodes using that method.
if shared.config.get('bitmessagesettings', 'socksproxytype') == 'none':
try:
for item in socket.getaddrinfo('bootstrap8080.bitmessage.org', 80):
logger.info('Adding ' + item[4][0] + ' to knownNodes based on DNS bootstrap method')
shared.knownNodes[1][shared.Peer(item[4][0], 8080)] = int(time.time())
except:
logger.error('bootstrap8080.bitmessage.org DNS bootstrapping failed.')
try:
for item in socket.getaddrinfo('bootstrap8444.bitmessage.org', 80):
logger.info ('Adding ' + item[4][0] + ' to knownNodes based on DNS bootstrap method')
shared.knownNodes[1][shared.Peer(item[4][0], 8444)] = int(time.time())
except:
logger.error('bootstrap8444.bitmessage.org DNS bootstrapping failed.')
elif shared.config.get('bitmessagesettings', 'socksproxytype') == 'SOCKS5':
shared.knownNodes[1][shared.Peer('quzwelsuziwqgpt2.onion', 8444)] = int(time.time())
logger.debug("Adding quzwelsuziwqgpt2.onion:8444 to knownNodes.")
for port in [8080, 8444]:
logger.debug("Resolving %i through SOCKS...", port)
address_family = socket.AF_INET
sock = socks.socksocket(address_family, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.settimeout(20)
proxytype = socks.PROXY_TYPE_SOCKS5
sockshostname = shared.config.get(
'bitmessagesettings', 'sockshostname')
socksport = shared.config.getint(
'bitmessagesettings', 'socksport')
rdns = True # Do domain name lookups through the proxy; though this setting doesn't really matter since we won't be doing any domain name lookups anyway.
if shared.config.getboolean('bitmessagesettings', 'socksauthentication'):
socksusername = shared.config.get(
'bitmessagesettings', 'socksusername')
sockspassword = shared.config.get(
'bitmessagesettings', 'sockspassword')
sock.setproxy(
proxytype, sockshostname, socksport, rdns, socksusername, sockspassword)
else:
sock.setproxy(
proxytype, sockshostname, socksport, rdns)
try:
ip = sock.resolve("bootstrap" + str(port) + ".bitmessage.org")
sock.shutdown(socket.SHUT_RDWR)
sock.close()
except:
logger.error("SOCKS DNS resolving failed", exc_info=True)
else:
if ip is not None:
logger.info ('Adding ' + ip + ' to knownNodes based on SOCKS DNS bootstrap method')
shared.knownNodes[1][shared.Peer(ip, port)] = time.time()
else:
logger.info('DNS bootstrap skipped because the proxy type does not support DNS resolution.')