diff options
| -rwxr-xr-x | globalist/Globalist.py | 31 | ||||
| -rw-r--r-- | globalist/ISSUES.md | 4 | ||||
| -rw-r--r-- | globalist/LICENSE | 674 | ||||
| -rw-r--r-- | globalist/README.md | 64 | ||||
| -rwxr-xr-x | globalist/globalist/__init__.py | 468 | ||||
| -rwxr-xr-x | globalist/setup.py | 17 |
6 files changed, 1258 insertions, 0 deletions
diff --git a/globalist/Globalist.py b/globalist/Globalist.py new file mode 100755 index 00000000..fc21b685 --- /dev/null +++ b/globalist/Globalist.py @@ -0,0 +1,31 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- + +# Globalist: manage a global repo via decentral git instances +# you may peer with any number of other Globalist onions + +# Think onionshare, but with permanent onion addresses, P2P and DVCS + +# Python2/3. Dependencies: +# - stem (torsocks pip install stem / via distro) +# a recent version (>= 1.5.0) is needed for auth +# - git must be installed +# - torsocks must be installed +# - tor must be up and running and the ControlPort open + +# Use scenario: +# a) Run Tor. +# b) Run the server in the background and schedule a job for pulling from peers. +# it is a git server that listens on <your-identifier>.onion:9418 +# it's to be expected that peers uptime will intersect with yours +# only a fraction of the time. +# c) Globalist.py creates a git, which you may use to push and pull your own changes. + +# Bugs: +# FIXME: clean up hidservauth entries on stop + +import globalist +import sys + +if __name__=='__main__': + globalist.main(args=sys.argv[1:]) diff --git a/globalist/ISSUES.md b/globalist/ISSUES.md new file mode 100644 index 00000000..80e85673 --- /dev/null +++ b/globalist/ISSUES.md @@ -0,0 +1,4 @@ +version 0.0.6.2 +- HidServAuth entries are never cleaned up +- ux: -X does not disable authentication + diff --git a/globalist/LICENSE b/globalist/LICENSE new file mode 100644 index 00000000..9cecc1d4 --- /dev/null +++ b/globalist/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + {one line to give the program's name and a brief idea of what it does.} + Copyright (C) {year} {name of author} + + 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 <http://www.gnu.org/licenses/>. + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + {project} Copyright (C) {year} {fullname} + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +<http://www.gnu.org/licenses/>. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +<http://www.gnu.org/philosophy/why-not-lgpl.html>. diff --git a/globalist/README.md b/globalist/README.md new file mode 100644 index 00000000..8b07a23b --- /dev/null +++ b/globalist/README.md @@ -0,0 +1,64 @@ +# Globalist +Globalist provides distributed sharing of repositories without the need of central instances (like GitHub). + +This is an attempt to ease the distribution of git repos, to overcome the risk of a central points of failure. + +Globalist stands for "Global List" and aims at replacing any EtherPads of more than transient value. + +It is also meant to evolve into an experimental distributed asynchronous wiki facility. + +Nodes can come and go, and network topology only depends on the peers entries in the nodes' config files. Changes that are merged by one's peers propagate by diffusion. + +The official repository can be found at https://notabug.org/themusicgod1/cloudflare-tor + +## Usage + +To use Globalist.py python3 is needed. Either run with `python3 Globalist.py` or install it as described below. + +Per default an open tor ControlPort at 9151 without authentication is expected. You can choose another port with `-C`. +For a list of options see `--help`. + +### Create repository + +Make a new directory and put this in the file ./repo.cfg (when creating a new repository instead of cloning from a peer, the list or indeed the repo.cfg file can remain empty) + +``` +[network] +peers = <comma-separated list of onion domain names, with or without the suffix .onion> +``` + +For a public repository, no authentication is needed (option -X). In case authentication is used, prepend the secret as follows: somebody:secret@peeroniondomainname.onion + +For each shared repo, Globalist will create one .onion service. Note that it is possible to use either bare repos or not-bare repos. + +### Clone a repository + +To clone a bare repo: + +``` +Globalist.py -bc ... +``` + +To pull once from a bare repo: + +``` +Globalist.py -bp +``` + +## To install locally + +``` +./setup.py install --user +``` + +or + +``` +torsocks pip3 install -v -e . +``` + +## To do + +set default commit messages +support signed commits +push? diff --git a/globalist/globalist/__init__.py b/globalist/globalist/__init__.py new file mode 100755 index 00000000..95bc0707 --- /dev/null +++ b/globalist/globalist/__init__.py @@ -0,0 +1,468 @@ +#!/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", 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("-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) + controller = Controller.from_port(port = options.a_controlport) + controller.authenticate() + STATUS['socksport'] = controller.get_conf('SocksPort').split(" ",1)[0] + 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 diff --git a/globalist/setup.py b/globalist/setup.py new file mode 100755 index 00000000..24542977 --- /dev/null +++ b/globalist/setup.py @@ -0,0 +1,17 @@ +#!/usr/bin/env python3 + +from distutils.core import setup + +setup( + name='Globalist', + version='0.0.6.2', + description='Globalist distributed git onions', + author='fnordomat', +# author_email='', + url='https://github.com/fnordomat/Globalist', + packages=['globalist'], + scripts=['Globalist.py'], + install_requires=['stem>=1.5.0'], + license='GPLv3' +) + |