onionshare/desktop/scripts/get-tor-windows.py
2022-01-16 16:15:49 -08:00

109 lines
3.3 KiB
Python

# -*- coding: utf-8 -*-
"""
OnionShare | https://onionshare.org/
Copyright (C) 2014-2022 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 Windows 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():
exe_url = "https://dist.torproject.org/torbrowser/11.0.4/torbrowser-install-11.0.4_en-US.exe"
exe_filename = "torbrowser-install-11.0.4_en-US.exe"
expected_exe_sha256 = (
"c7073f58f49a225bcf7668a5630e94f5f5e96fb7bed095feebf3bf8417bd3d07"
)
# 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")
exe_path = os.path.join(working_path, exe_filename)
dist_path = os.path.join(root_path, "onionshare", "resources", "tor")
# Make sure the working folder exists
if not os.path.exists(working_path):
os.makedirs(working_path)
# Make sure Tor Browser is downloaded
if not os.path.exists(exe_path):
print("Downloading {}".format(exe_url))
r = requests.get(exe_url)
open(exe_path, "wb").write(r.content)
exe_sha256 = hashlib.sha256(r.content).hexdigest()
else:
exe_data = open(exe_path, "rb").read()
exe_sha256 = hashlib.sha256(exe_data).hexdigest()
# Compare the hash
if exe_sha256 != expected_exe_sha256:
print("ERROR! The sha256 doesn't match:")
print("expected: {}".format(expected_exe_sha256))
print(" actual: {}".format(exe_sha256))
sys.exit(-1)
# Extract the bits we need from the exe
subprocess.Popen(
[
"7z",
"e",
"-y",
exe_path,
"Browser\\TorBrowser\\Tor",
"-o%s" % os.path.join(working_path, "Tor"),
]
).wait()
subprocess.Popen(
[
"7z",
"e",
"-y",
exe_path,
"Browser\\TorBrowser\\Data\\Tor\\geoip*",
"-o%s" % os.path.join(working_path, "Data"),
]
).wait()
# Copy into the onionshare resources
if os.path.exists(dist_path):
shutil.rmtree(dist_path)
os.makedirs(dist_path)
shutil.copytree(os.path.join(working_path, "Tor"), os.path.join(dist_path, "Tor"))
shutil.copytree(
os.path.join(working_path, "Data"), os.path.join(dist_path, "Data", "Tor")
)
# Fetch the built-in bridges
UpdateTorBridges(root_path)
if __name__ == "__main__":
main()