#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ OnionShare | https://onionshare.org/ Copyright (C) 2014-2021 Micah Lee, et al. 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 . """ """ This script downloads a pre-built tor binary to bundle with OnionShare. In order to avoid a Mac gnupg dependency, I manually verify the signature and hard-code the sha256 hash. """ import inspect import os import sys import hashlib import shutil import subprocess import requests def main(): tarball_url = "https://dist.torproject.org/torbrowser/11.0a10/tor-browser-linux64-11.0a10_en-US.tar.xz" tarball_filename = "tor-browser-linux64-11.0a10_en-US.tar.xz" expected_tarball_sha256 = ( "5d3e2ebc4fb6a10f44624359bc2a5a151a57e8402cbd8563d15f9b2524374f1f" ) # Build paths root_path = os.path.dirname( os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))) ) working_path = os.path.join(root_path, "build", "tor") tarball_path = os.path.join(working_path, tarball_filename) dist_path = os.path.join(root_path, "src", "onionshare", "resources", "tor") # Make sure dirs exist if not os.path.exists(working_path): os.makedirs(working_path, exist_ok=True) if not os.path.exists(dist_path): os.makedirs(dist_path, exist_ok=True) # Make sure the tarball is downloaded if not os.path.exists(tarball_path): print("Downloading {}".format(tarball_url)) r = requests.get(tarball_url) open(tarball_path, "wb").write(r.content) tarball_sha256 = hashlib.sha256(r.content).hexdigest() else: tarball_data = open(tarball_path, "rb").read() tarball_sha256 = hashlib.sha256(tarball_data).hexdigest() # Compare the hash if tarball_sha256 != expected_tarball_sha256: print("ERROR! The sha256 doesn't match:") print("expected: {}".format(expected_tarball_sha256)) print(" actual: {}".format(tarball_sha256)) sys.exit(-1) # Delete extracted tarball, if it's there shutil.rmtree(os.path.join(working_path, "tor-browser_en-US"), ignore_errors=True) # Extract the tarball subprocess.call(["tar", "-xvf", tarball_path], cwd=working_path) tarball_tor_path = os.path.join( working_path, "tor-browser_en-US", "Browser", "TorBrowser" ) # Copy into dist shutil.copyfile( os.path.join(tarball_tor_path, "Data", "Tor", "geoip"), os.path.join(dist_path, "geoip"), ) shutil.copyfile( os.path.join(tarball_tor_path, "Data", "Tor", "geoip6"), os.path.join(dist_path, "geoip6"), ) shutil.copyfile( os.path.join(tarball_tor_path, "Tor", "tor"), os.path.join(dist_path, "tor"), ) os.chmod(os.path.join(dist_path, "tor"), 0o755) shutil.copyfile( os.path.join(tarball_tor_path, "Tor", "libcrypto.so.1.1"), os.path.join(dist_path, "libcrypto.so.1.1"), ) shutil.copyfile( os.path.join(tarball_tor_path, "Tor", "libevent-2.1.so.7"), os.path.join(dist_path, "libevent-2.1.so.7"), ) shutil.copyfile( os.path.join(tarball_tor_path, "Tor", "libssl.so.1.1"), os.path.join(dist_path, "libssl.so.1.1"), ) shutil.copyfile( os.path.join(tarball_tor_path, "Tor", "libstdc++", "libstdc++.so.6"), os.path.join(dist_path, "libstdc++.so.6"), ) shutil.copyfile( os.path.join(tarball_tor_path, "Tor", "PluggableTransports", "obfs4proxy"), os.path.join(dist_path, "obfs4proxy"), ) os.chmod(os.path.join(dist_path, "obfs4proxy"), 0o755) shutil.copyfile( os.path.join( tarball_tor_path, "Tor", "PluggableTransports", "snowflake-client" ), os.path.join(dist_path, "snowflake-client"), ) os.chmod(os.path.join(dist_path, "snowflake-client"), 0o755) print(f"Tor binaries extracted to: {dist_path}") if __name__ == "__main__": main()