Onionr/src/onionrcommands/daemonlaunch/__init__.py

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"""Onionr - Private P2P Communication.
launch the api servers and communicator
"""
import os
import sys
import platform
import signal
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from threading import Thread
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from stem.connection import IncorrectPassword
import stem
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import toomanyobjs
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import filenuke
from deadsimplekv import DeadSimpleKV
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import psutil
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import config
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import apiservers
import logger
from onionrplugins import onionrevents as events
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from onionrutils import localcommand
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from utils import identifyhome
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import filepaths
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from etc import onionrvalues, cleanup
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from onionrcrypto import getourkeypair
from utils import hastor
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import runtests
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from httpapi import daemoneventsapi
from .. import version
from .getapihost import get_api_host_until_available
from utils.bettersleep import better_sleep
from .killdaemon import kill_daemon # noqa
from .showlogo import show_logo
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from setupkvvars import setup_kv
"""
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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/>.
"""
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def _proper_shutdown():
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localcommand.local_command('shutdown')
sys.exit(1)
def _show_info_messages():
version.version(verbosity=5, function=logger.info)
logger.debug('Python version %s' % platform.python_version())
if onionrvalues.DEVELOPMENT_MODE:
logger.warn('Development mode enabled', timestamp=False, terminal=True)
logger.info('Using public key: %s' %
(logger.colors.underline +
getourkeypair.get_keypair()[0][:52]))
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def daemon():
"""Start Onionr's primary threads for communicator, API server, node, and LAN."""
def _handle_sig_term(signum, frame):
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pid = str(os.getpid())
main_pid = localcommand.local_command('/getpid')
#logger.info(main_pid, terminal=True)
if main_pid and main_pid == pid:
logger.info(
f"Received sigterm, shutting down gracefully. PID: {pid}", terminal=True)
localcommand.local_command('/shutdownclean')
else:
logger.info(
f"Recieved sigterm in child process or fork, exiting. PID: {pid}")
sys.exit(0)
signal.signal(signal.SIGTERM, _handle_sig_term)
# Determine if Onionr is in offline mode.
# When offline, Onionr can only use LAN and disk transport
offline_mode = config.get('general.offline_mode', False)
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if not hastor.has_tor():
offline_mode = True
logger.error("Tor is not present in system path or Onionr directory",
terminal=True)
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# Create shared objects
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shared_state = toomanyobjs.TooMany()
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# Add DeadSimpleKV for quasi-global variables (ephemeral key-value)
shared_state.get(DeadSimpleKV)
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# Initialize the quasi-global variables
setup_kv(shared_state.get(DeadSimpleKV))
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shared_state.get(daemoneventsapi.DaemonEventsBP)
Thread(target=shared_state.get(apiservers.ClientAPI).start,
daemon=True, name='client HTTP API').start()
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# Init run time tester
# (ensures Onionr is running right, for testing purposes)
# Run time tests are not normally run
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shared_state.get(runtests.OnionrRunTestManager)
shared_state.share_object() # share the parent object to the threads
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show_logo()
# since we randomize loopback API server hostname to protect against attacks,
# we have to wait for it to become set
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apiHost = ''
if not offline_mode:
apiHost = get_api_host_until_available()
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security_level = config.get('general.security_level', 1)
use_existing_tor = config.get('tor.use_existing_tor', False)
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_show_info_messages()
logger.info(
"Onionr daemon is running under " + str(os.getpid()), terminal=True)
events.event('init', threaded=False)
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events.event('daemon_start')
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better_sleep(5)
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cleanup.delete_run_files()
if security_level >= 2:
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filenuke.nuke.clean_tree(identifyhome.identify_home())
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def start(override: bool = False):
"""If no lock file, make one and start onionr.
Error exit if there is and its not overridden
"""
if os.path.exists(filepaths.lock_file) and not override:
if os.path.exists(filepaths.restarting_indicator):
try:
os.remove(filepaths.restarting_indicator)
except FileNotFoundError:
pass
else:
return
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with open(filepaths.lock_file, 'r') as lock_file:
try:
proc = psutil.Process(int(lock_file.read())).name()
except psutil.NoSuchProcess:
proc = ""
if not proc.startswith("python"):
logger.info(
f"Detected stale run file, deleting {filepaths.lock_file}", terminal=True)
try:
os.remove(filepaths.lock_file)
except FileNotFoundError:
pass
start(override=True)
return
logger.fatal('Cannot start. Daemon is already running,'
+ ' or it did not exit cleanly.\n'
+ ' (if you are sure that there is not a daemon running,'
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+ f' delete {filepaths.lock_file} & try again).',
terminal=True)
else:
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if not onionrvalues.DEVELOPMENT_MODE:
lock_file = open(filepaths.lock_file, 'w')
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lock_file.write(str(os.getpid()))
lock_file.close()
# Start Onionr daemon
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daemon()
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try:
os.remove(filepaths.lock_file)
except FileNotFoundError:
pass
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start.onionr_help = "Start Onionr node " # type: ignore
start.onionr_help += "(public and clients API servers)" # type: ignore