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cloudflare-tor/globalist/globalist/__init__.py
x0zfs 5dafe2814b Initial commit
2020-03-18 10:28:19 +00:00

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
__version__ = "0.0.6.2"
try:
import ConfigParser as cp
except:
import configparser as cp # python3
import optparse as op
import re
import os
import sys
import json
import subprocess
import stem
from stem.control import Controller
# Usage:
#
# Make a directory.
#
# Put a configuration file repo.cfg listing some peers. Done.
#
# Initialize:
# Either a) (git init repo/) ->
# $ python Globalist.py -i
# or b) (torsocks git clone git://example7abcdefgh.onion) ->
# $ python Globalist.py -c
#
# Have fun:
# Run server
# $ python Globalist.py
# Pull from peers once
# $ python Globalist.py -p
# Periodically pull, don't serve
# $ python Globalist.py -pP 1800
# Periodically pull and also serve
# $ python Globalist.py -P 1800
#
# That's it.
# One can simply check in a list of onions for open peering
# as PEERS.txt ...
# A word of CAUTION: anyone can commit anything
# and there's no mechanism for permanently blacklisting
# malicious peers (although one can simply remove them
# as they crop up and roll back their changes).
#
# A future version of Globalist.py should introduce
# signed commits + reputation system, when the need arises.
# [network]
# peers = example7abcdefgh.onion, example8abcdefgh.onion
# (possibly prefixed with somebody:authkey@ ...)
# when using -b (bare), merge remote changes locally after
# git pull origin remote/origin/master.
DEFAULT_CONTROLPORT = 9151
STATUS = {'peers': None, 'socksport': None}
OPTIONS = None
def git(command):
# print (command)
p = subprocess.Popen(["git"] + command)
return p
def make_exportable(path):
subprocess.Popen(["touch", os.path.abspath(os.path.join(path, "git-daemon-export-ok")) ]).wait()
def run_server(config, localport = 9418):
print ("Running git server on %s.onion" % config.get('onion', 'hostname'))
try:
authkey = config.get('onion', 'clientauth')
if authkey:
print ("Client auth is %s" % authkey)
except (KeyError, cp.NoOptionError) as e:
print ("No client auth")
print ("Git server local port is %d" % localport)
print ("You can now hand out this onion to prospective peers.")
print ("It will be re-used anytime Globalist starts in this directory.")
what = "repo"
if OPTIONS.o_bare:
make_exportable("repo.git")
what += ".git"
else:
make_exportable(os.path.join("repo",".git"))
gitdaemon = git(["daemon", "--base-path=%s" % os.path.abspath("."),
"--reuseaddr", "--verbose",
# there could be a global setting enabling write access??
"--disable=receive-pack",
"--listen=127.0.0.1", "--port=%d" % localport,
os.path.abspath(what)])
output = gitdaemon.communicate()[0]
print (output)
# then background this process
def makeonion(controller, config, options):
# stem docs say: provide the password here if you set one:
controller.authenticate()
# todo catch UnreadableCookieFile(
onion = None
extra_kwargs = {}
if config.has_section('onion'):
print ("Attempting to use saved onion identity")
(keytype,key) = config.get('onion', 'key').split(':',1)
if options.o_auth:
try:
print ("Attempting to use saved clientauth")
extra_kwargs['basic_auth'] =\
dict([config.get('onion', 'clientauth').split(':',1)])
except (KeyError, cp.NoOptionError) as e:
print ("No client auth present, generating one")
extra_kwargs['basic_auth'] = {'somebody': None}
else:
print ("Not using clientauth.")
onion = controller.create_ephemeral_hidden_service(**extra_kwargs, ports={9418: options.a_localport}, discard_key=True, await_publication=options.o_ap, key_type=keytype, key_content=key)
else:
print ("I'm afraid we don't have an identity yet, creating one")
if options.o_auth:
extra_kwargs['basic_auth'] = {'somebody': None}
onion = controller.create_ephemeral_hidden_service(**extra_kwargs, ports={9418: options.a_localport}, discard_key=False, await_publication=options.o_ap)
# print (onion)
print ("Tor controller says Onion OK")
if not onion.is_ok():
raise Exception('Failed to publish onion.')
else:
# perhaps avoid overwriting when already present?
for line in onion:
if line != "OK":
k, v = line.split('=', 1)
# we only request the key if the service is new
if k == "PrivateKey":
try:
config.add_section('onion')
except cp.DuplicateSectionError as e:
pass
config.set('onion', 'key', v)
if k == "ServiceID":
try:
config.add_section('onion')
except cp.DuplicateSectionError as e:
pass
config.set('onion', 'hostname', v)
if k == "ClientAuth":
try:
config.add_section('onion')
except cp.DuplicateSectionError as e:
pass
config.set('onion', 'clientauth', v)
config.write(open('repo.cfg', 'w'))
def set_client_authentications(ls):
global OPTIONS
options = OPTIONS
controller = Controller.from_port(port = options.a_controlport)
controller.authenticate()
# is there no sane way to _append_ a multi-config option in Tor????
# control protocol badly misdesigned, nobody thought of concurrent access???!?
controller.set_caching(False)
# except it doesn't work, the 650 message never arrives. why?
# controller.add_event_listener(my_confchanged_listener, EventType.CONF_CHANGED)
# SETEVENTS conf_changed
hsa = controller.get_conf_map('hidservauth')
for authpair in ls:
if authpair['auth'] and len(authpair['auth']):
hsa['hidservauth'].append('%s.onion %s' % (authpair['onion'], authpair['auth']))
hsa['hidservauth'] = list(set(hsa['hidservauth']))
controller.set_conf('hidservauth', hsa['hidservauth'])
controller.close()
def getpeers(config):
if STATUS['peers']:
return STATUS['peers']
if config.has_section('network'):
peerslist = config.get('network', 'peers').split(',')
peers = []
authpairs = []
for peerentry in peerslist:
# extract what looks like an onion identifier
try:
authpair = re.findall('(?:(somebody:[A-Za-z0-9+/]{22})@)?([a-z2-8]{16})', peerentry)[0]
userpass = authpair[0].split(":",1)
if not userpass or not len(userpass)==2:
userpass = (None, None)
authpairs += [{'auth':userpass[1],
'user':userpass[0], # somebody
'onion':authpair[1]}]
peers += [authpair[1]]
except Exception as e:
print (e)
set_client_authentications(authpairs)
STATUS['peers'] = peers
return peers
else:
STATUS['peers'] = []
return []
def clone(config):
peers = getpeers(config)
# FIXME: when the first fails, we should move on to the next..
what = "git://%s.onion/repo" % peers[0]
where = "repo"
how = []
if OPTIONS.o_bare:
what += ".git"
where += ".git"
how = ["--bare", "--mirror"]
cloneproc = subprocess.Popen(["torsocks", "-P", str(STATUS['socksport']), "git", "clone"] + how + [what, where])
if cloneproc.wait() != 0:
print ("Error cloning, exiting.")
return -1
else:
make_exportable(where)
# Make a local editable repo
try:
git(["clone", "repo", "repo.git"]).wait()
except:
print ("Failed to export repository, try to remove 'repo.git'.")
processes = []
for peer in peers[1:]:
processes.append([peer, subprocess.Popen(["torsocks", "-P", STATUS['socksport'], "git", "-C", os.path.abspath("repo"), "pull", "git://%s.onion/repo" % peer])])
for (peer,proc) in processes:
if proc.wait() != 0:
print ("Error with %s" % peer)
def pull(config):
peers = getpeers(config)
print ("Pulling from %s" % peers)
processes = []
for peer in peers:
processes.append([peer, subprocess.Popen(["torsocks", "-P", STATUS['socksport'], "git", "-C", os.path.abspath("repo"), "pull", "git://%s.onion/repo" % peer])])
for (peer,proc) in processes:
if proc.wait() != 0:
print ("Error with %s" % peer)
def fetch(config):
peers = getpeers(config)
print ("Fetching from %s" % peers)
processes = []
for peer in peers:
processes.append([peer, subprocess.Popen(["torsocks", "-P", STATUS['socksport'], "git", "-C", os.path.abspath("repo.git"), "fetch", "git://%s.onion/repo.git" % peer, '+refs/heads/*:refs/remotes/origin/*'])])
for (peer,proc) in processes:
if proc.wait() != 0:
print ("Error with %s" % peer)
def init(config):
global OPTIONS # not needed for read access btw
options = OPTIONS
print ("Initializing ...")
if options.o_bare:
git(["init", "repo.git", "--bare"]).wait()
# Make a local editable repo
git(["clone", "repo.git", "repo"]).wait()
else:
git(["init", "repo"]).wait()
print ("Initialized")
def main(args=[]):
# OptionParser is capable of printing a helpscreen
opt = op.OptionParser()
opt.add_option("-V", "--version", dest="o_version", action="store_true",
default=False, help="print version number")
opt.add_option("-i", "--init", dest="o_init", action="store_true",
default=False, help="make new empty repo")
opt.add_option("-b", "--bare", dest="o_bare", action="store_true",
default=False, help="use bare repos and fetch, not pull")
opt.add_option("-c", "--clone", dest="o_clone", action="store_true",
default=False, help="clone repo from 1st peer")
opt.add_option("-p", "--pull", dest="o_pull", action="store_true",
default=False, help="pull / fetch from peers and don't serve")
opt.add_option("-P", "--periodically-pull", dest="a_pull", action="store",
type="int", default=None, metavar="PERIOD",
help="pull / fetch from peers every n seconds")
opt.add_option("-L", "--local", dest="a_localport", action="store", type="int",
default=9418, metavar="PORT", help="local port for git daemon")
opt.add_option("-C", "--control-port", dest="a_controlport", action="store", type="int",
default=9151, metavar="PORT", help="Tor controlport")
# opt.add_option("-CP", "--control-password", dest="a_controlpassword", action="store", type="int",
# default="", help="Tor Control Password")
# opt.add_option("-CC", "--control-cookie", dest="a_controlcookie", action="store", type="int",
# default="", help="Tor Control Cookie")
opt.add_option("-a", "--await", dest="o_ap", action="store_true",
default=False, help="await publication of .onion in DHT before proceeding")
opt.add_option("-x", "--auth", action="store_true", default=True,
dest="o_auth", help="enable authentication (private)")
opt.add_option("-X", "--no-auth", action="store_false", default=True,
dest="o_auth", help="disable authentication (not private)")
(options, args) = opt.parse_args(args)
global OPTIONS
OPTIONS = options
if options.o_version:
print (__version__)
return 0
if options.o_auth and stem.__version__ < '1.5.0':
sys.stderr.write ("stem version >=1.5.0 required for auth\n")
return 1
if not options.a_controlport:
options.a_controlport = DEFAULT_CONTROLPORT
# Extract socksport via c.get_conf and use this (-P in torsocks)
# TODO implement authentication token / cookie
controller = Controller.from_port(port = options.a_controlport)
controller.authenticate()
if controller.get_conf('SocksPort'):
STATUS['socksport'] = controller.get_conf('SocksPort').split(" ",1)[0]
else:
STATUS['socksport'] = 9050
controller.close()
config = cp.ConfigParser()
cfgfile = None
try:
cfgfile = open('repo.cfg')
except FileNotFoundError as e:
print("Trying to make file repo.cfg")
try:
os.mknod("repo.cfg")
os.chmod("repo.cfg", 0o600)
cfgfile = open('repo.cfg')
except Exception as e:
print (e)
return 1
config.readfp(cfgfile)
try:
os.stat("repo.git")
if not options.o_bare:
print ("repo.git exists, setting -b implicitly")
# TODO -B to override
options.o_bare = True
except FileNotFoundError as e:
if not options.o_init and not options.o_clone and options.o_bare:
print ("./repo.git/ does not exist, try -ib or -cb")
return 1
try:
os.stat("repo")
except FileNotFoundError as e:
if not options.o_init and not options.o_clone and not options.o_bare:
print("./repo/ does not exist, try -i or -c")
return 1
except Exception as e:
print (e)
return 1
if options.o_init:
init(config)
peers = getpeers(config)
if options.o_clone:
if not len(peers):
print ("No peers, can't clone. Please enter a peer in repo.cfg")
clone(config)
return 1
threads = []
if options.a_pull:
if not len(peers):
print ("No peers, not starting pulling task.")
else:
import threading
from datetime import timedelta as td
from datetime import datetime
class T:
def __init__(self):
self.last = datetime.now()
def run(self):
if options.o_bare:
fetch(config)
else:
pull(config)
threading.Timer(options.a_pull, T.run, args=(self,)).start()
task = T()
t = threading.Thread(target=T.run, args=(task,))
t . setDaemon(True)
threads.append(t)
t.start()
# It's either pull(once) or serve. It's no problem running pull from
# another console while the server is up. It's no problem specifying
# periodic pull with either.
if options.o_pull and not options.a_pull:
if options.o_bare:
fetch(config)
else:
pull(config)
elif not options.o_pull:
controller = Controller.from_port(port = options.a_controlport)
makeonion(controller, config, options)
run_server(config, localport = options.a_localport)
controller.close()
for t in threads:
t.join()
# TODO: should only generate a clientauth on a previously unauthenticated repo if requested by command line option
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