Onionr/onionr/netcontroller/netcontrol.py
2019-07-22 16:59:48 -07:00

182 lines
6.3 KiB
Python

'''
Onionr - Private P2P Communication
Netcontroller library, used to control/work with Tor/I2P and send requests through them
'''
'''
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/>.
'''
import os, sys, base64, subprocess, signal
import config, logger
from . import getopenport
from utils import identifyhome
config.reload()
class NetController:
'''
This class handles hidden service setup on Tor and I2P
'''
def __init__(self, hsPort, apiServerIP='127.0.0.1'):
# set data dir
self.dataDir = identifyhome.identify_home()
self.torConfigLocation = self.dataDir + 'torrc'
self.readyState = False
self.socksPort = getopenport.get_open_port()
self.hsPort = hsPort
self._torInstnace = ''
self.myID = ''
self.apiServerIP = apiServerIP
if os.path.exists('./tor'):
self.torBinary = './tor'
elif os.path.exists('/usr/bin/tor'):
self.torBinary = '/usr/bin/tor'
else:
self.torBinary = 'tor'
def generateTorrc(self):
'''
Generate a torrc file for our tor instance
'''
hsVer = '# v2 onions'
if config.get('tor.v3onions'):
hsVer = 'HiddenServiceVersion 3'
if os.path.exists(self.torConfigLocation):
os.remove(self.torConfigLocation)
# Set the Tor control password. Meant to make it harder to manipulate our Tor instance
plaintext = base64.b64encode(os.urandom(50)).decode()
config.set('tor.controlpassword', plaintext, savefile=True)
config.set('tor.socksport', self.socksPort, savefile=True)
controlPort = getopenport.get_open_port()
config.set('tor.controlPort', controlPort, savefile=True)
hashedPassword = subprocess.Popen([self.torBinary, '--hash-password', plaintext], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
for line in iter(hashedPassword.stdout.readline, b''):
password = line.decode()
if 'warn' not in password:
break
torrcData = '''SocksPort ''' + str(self.socksPort) + ''' OnionTrafficOnly
DataDirectory ''' + self.dataDir + '''tordata/
CookieAuthentication 1
ControlPort ''' + str(controlPort) + '''
HashedControlPassword ''' + str(password) + '''
'''
if config.get('general.security_level', 1) == 0:
torrcData += '''\nHiddenServiceDir ''' + self.dataDir + '''hs/
\n''' + hsVer + '''\n
HiddenServicePort 80 ''' + self.apiServerIP + ''':''' + str(self.hsPort)
torrc = open(self.torConfigLocation, 'w')
torrc.write(torrcData)
torrc.close()
return
def startTor(self):
'''
Start Tor with onion service on port 80 & socks proxy on random port
'''
self.generateTorrc()
if os.path.exists('./tor'):
self.torBinary = './tor'
elif os.path.exists('/usr/bin/tor'):
self.torBinary = '/usr/bin/tor'
else:
self.torBinary = 'tor'
try:
tor = subprocess.Popen([self.torBinary, '-f', self.torConfigLocation], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
except FileNotFoundError:
logger.fatal("Tor was not found in your path or the Onionr directory. Please install Tor and try again.", terminal=True)
sys.exit(1)
else:
# Test Tor Version
torVersion = subprocess.Popen([self.torBinary, '--version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
for line in iter(torVersion.stdout.readline, b''):
if 'Tor 0.2.' in line.decode():
logger.fatal('Tor 0.3+ required', terminal=True)
sys.exit(1)
break
torVersion.kill()
# wait for tor to get to 100% bootstrap
try:
for line in iter(tor.stdout.readline, b''):
if 'bootstrapped 100' in line.decode().lower():
logger.info(line.decode())
break
elif 'opening socks listener' in line.decode().lower():
logger.debug(line.decode().replace('\n', ''))
else:
logger.fatal('Failed to start Tor. Maybe a stray instance of Tor used by Onionr is still running? This can also be a result of file permissions being too open', terminal=True)
return False
except KeyboardInterrupt:
logger.fatal('Got keyboard interrupt. Onionr will exit soon.', timestamp = False, level = logger.LEVEL_IMPORTANT, terminal=True)
return False
logger.info('Finished starting Tor.', terminal=True)
self.readyState = True
try:
myID = open(self.dataDir + 'hs/hostname', 'r')
self.myID = myID.read().replace('\n', '')
myID.close()
except FileNotFoundError:
self.myID = ""
torPidFile = open(self.dataDir + 'torPid.txt', 'w')
torPidFile.write(str(tor.pid))
torPidFile.close()
return True
def killTor(self):
'''
Properly kill tor based on pid saved to file
'''
try:
pid = open(self.dataDir + 'torPid.txt', 'r')
pidN = pid.read()
pid.close()
except FileNotFoundError:
return
try:
int(pidN)
except:
return
try:
try:
os.kill(int(pidN), signal.SIGTERM)
except PermissionError:
# seems to happen on win 10
pass
os.remove(self.dataDir + 'torPid.txt')
except ProcessLookupError:
pass
except FileNotFoundError:
pass
return