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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
OnionShare | https://onionshare.org/
Copyright (C) 2014-2021 Micah Lee, et al. <micah@micahflee.com>
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/>.
"""
"""
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
from bridges import UpdateTorBridges
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, "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}")
# Fetch the built-in bridges
UpdateTorBridges(root_path)
if __name__ == "__main__":
main()
|
