Onionr/onionr/netcontroller.py

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'''
Onionr - P2P Microblogging Platform & Social network
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/>.
'''
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import subprocess, os, random, sys, logger, time, signal, config, base64
from stem.control import Controller
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from onionrblockapi import Block
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from dependencies import secrets
class NetController:
'''
This class handles hidden service setup on Tor and I2P
'''
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def __init__(self, hsPort):
self.torConfigLocation = 'data/torrc'
self.readyState = False
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self.socksPort = random.randint(1024, 65535)
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self.hsPort = hsPort
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self._torInstnace = ''
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self.myID = ''
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if os.path.exists('./tor'):
self.torBinary = './tor'
elif os.path.exists('/usr/bin/tor'):
self.torBinary = '/usr/bin/tor'
else:
self.torBinary = 'tor'
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config.reload()
'''
if os.path.exists(self.torConfigLocation):
torrc = open(self.torConfigLocation, 'r')
if not str(self.hsPort) in torrc.read():
os.remove(self.torConfigLocation)
torrc.close()
'''
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return
def generateTorrc(self):
'''
Generate a torrc file for our tor instance
'''
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hsVer = '# v2 onions'
if config.get('tor.v3onions'):
hsVer = 'HiddenServiceVersion 3'
logger.info('Using v3 onions :)')
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if os.path.exists(self.torConfigLocation):
os.remove(self.torConfigLocation)
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# 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)
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controlPort = random.randint(1025, 65535)
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config.set('tor.controlPort', controlPort, savefile=True)
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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()
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if 'warn' not in password:
break
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torrcData = '''SocksPort ''' + str(self.socksPort) + '''
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HiddenServiceDir data/hs/
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\n''' + hsVer + '''\n
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HiddenServicePort 80 127.0.0.1:''' + str(self.hsPort) + '''
DataDirectory data/tordata/
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CookieAuthentication 1
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ControlPort ''' + str(controlPort) + '''
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HashedControlPassword ''' + str(password) + '''
'''
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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
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'''
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self.generateTorrc()
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if os.path.exists('./tor'):
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self.torBinary = './tor'
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elif os.path.exists('/usr/bin/tor'):
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self.torBinary = '/usr/bin/tor'
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else:
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self.torBinary = 'tor'
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try:
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tor = subprocess.Popen([self.torBinary, '-f', self.torConfigLocation], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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except FileNotFoundError:
logger.fatal("Tor was not found in your path or the Onionr directory. Please install Tor and try again.")
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sys.exit(1)
else:
# Test Tor Version
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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.warn("Running 0.2.x Tor series, no support for v3 onion peers")
break
torVersion.kill()
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# wait for tor to get to 100% bootstrap
try:
for line in iter(tor.stdout.readline, b''):
if 'Bootstrapped 100%: Done' in line.decode():
break
elif 'Opening Socks listener' in line.decode():
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?')
return False
except KeyboardInterrupt:
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logger.fatal("Got keyboard interrupt.")
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return False
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logger.debug('Finished starting Tor.', timestamp=True)
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self.readyState = True
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myID = open('data/hs/hostname', 'r')
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self.myID = myID.read().replace('\n', '')
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myID.close()
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torPidFile = open('data/torPid.txt', 'w')
torPidFile.write(str(tor.pid))
torPidFile.close()
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return True
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def killTor(self):
'''
Properly kill tor based on pid saved to file
'''
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try:
pid = open('data/torPid.txt', 'r')
pidN = pid.read()
pid.close()
except FileNotFoundError:
return
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try:
int(pidN)
except:
return
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try:
os.kill(int(pidN), signal.SIGTERM)
os.remove('data/torPid.txt')
except ProcessLookupError:
pass
except FileNotFoundError:
pass
return