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# -*- coding: utf-8 -*- | ||
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import os | ||
import logging | ||
import random # noseq | ||
import tempfile | ||
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import stem | ||
import stem.control | ||
import stem.process | ||
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class DebugLogger(object): | ||
"""Safe logger wrapper for tor and plugin's logs""" | ||
# pylint: disable=too-few-public-methods | ||
def __init__(self): | ||
self._logger = logging.getLogger(__name__.split('.', 1)[0]) | ||
self._levels = { | ||
'err': 40, | ||
'warn': 30, | ||
'notice': 20 | ||
} | ||
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def __call__(self, line): | ||
try: | ||
level, line = line.split('[', 1)[1].split(']') | ||
except IndexError: | ||
# Plugin's debug or unexpected log line from tor | ||
self._logger.debug(line) | ||
else: | ||
self._logger.log(self._levels.get(level, 10), '(tor)' + line) | ||
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def connect_plugin(config): | ||
"""Run stem proxy configurator""" | ||
logwrite = DebugLogger() | ||
if config.safeGet('bitmessagesettings', 'sockshostname') not in ( | ||
'localhost', '127.0.0.1', '' | ||
): | ||
# remote proxy is choosen for outbound connections, | ||
# nothing to do here, but need to set socksproxytype to SOCKS5! | ||
logwrite( | ||
'sockshostname is set to remote address,' | ||
' aborting stem proxy configuration') | ||
return | ||
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datadir = tempfile.mkdtemp() | ||
control_socket = os.path.join(datadir, 'control') | ||
tor_config = { | ||
'SocksPort': '9050', | ||
# 'DataDirectory': datadir, # had an exception with control socket | ||
'ControlSocket': control_socket | ||
} | ||
port = config.safeGet('bitmessagesettings', 'socksport', '9050') | ||
for attempt in range(50): | ||
if attempt > 0: | ||
port = random.randint(32767, 65535) | ||
tor_config['SocksPort'] = str(port) | ||
# It's recommended to use separate tor instance for hidden services. | ||
# So if there is a system wide tor, use it for outbound connections. | ||
try: | ||
stem.process.launch_tor_with_config( | ||
tor_config, take_ownership=True, init_msg_handler=logwrite) | ||
except OSError: | ||
continue | ||
else: | ||
logwrite('Started tor on port %s' % port) | ||
break | ||
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if config.safeGetBoolean('bitmessagesettings', 'sockslisten'): | ||
# need a hidden service for inbound connections | ||
try: | ||
controller = stem.control.Controller.from_socket_file( | ||
control_socket) | ||
controller.authenticate() | ||
except stem.SocketError: | ||
# something goes wrong way | ||
logwrite('Failed to instantiate or authenticate on controller') | ||
return | ||
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onionhostname = config.safeGet('bitmessagesettings', 'onionhostname') | ||
onionkey = config.safeGet(onionhostname, 'privsigningkey') | ||
if onionhostname and not onionkey: | ||
logwrite('The hidden service found in config ): %s' % onionhostname) | ||
onionkeytype = config.safeGet(onionhostname, 'keytype') | ||
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response = controller.create_ephemeral_hidden_service( | ||
config.safeGetInt('bitmessagesettings', 'onionport', 8444), | ||
key_type=(onionkeytype or 'NEW'), | ||
key_content=(onionkey or 'BEST') | ||
) | ||
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if not response.is_ok(): | ||
logwrite('Bad response from controller ):') | ||
return | ||
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if not onionkey: | ||
if not onionhostname: | ||
onionhostname = response.service_id + '.onion' | ||
config.set( | ||
'bitmessagesettings', 'onionhostname', onionhostname) | ||
else: | ||
onionhostname = response.service_id + '.onion' | ||
logwrite('Started hidden service %s' % onionhostname) | ||
config.add_section(onionhostname) | ||
config.set( | ||
onionhostname, 'privsigningkey', response.private_key) | ||
config.set( | ||
onionhostname, 'keytype', response.private_key_type) | ||
config.save() | ||
config.set('bitmessagesettings', 'socksproxytype', 'SOCKS5') |