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

124 lines
4.0 KiB
Python
Executable File

#!/usr/bin/env python3
# -*- 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 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():
dmg_url = "https://dist.torproject.org/torbrowser/11.0.4/TorBrowser-11.0.4-osx64_en-US.dmg"
dmg_filename = "TorBrowser-11.0.4-osx64_en-US.dmg"
expected_dmg_sha256 = (
"309a67c8a82ae266756d7cf5ea00e94d9242e59d55eaff97dcd6201da3c8449c"
)
# 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")
dmg_tor_path = os.path.join(
"/Volumes", "Tor Browser", "Tor Browser.app", "Contents"
)
dmg_path = os.path.join(working_path, dmg_filename)
dist_path = os.path.join(root_path, "onionshare", "resources", "tor")
if not os.path.exists(dist_path):
os.makedirs(dist_path, exist_ok=True)
# Make sure the working folder exists
if not os.path.exists(working_path):
os.makedirs(working_path)
# Make sure the zip is downloaded
if not os.path.exists(dmg_path):
print("Downloading {}".format(dmg_url))
r = requests.get(dmg_url)
open(dmg_path, "wb").write(r.content)
dmg_sha256 = hashlib.sha256(r.content).hexdigest()
else:
dmg_data = open(dmg_path, "rb").read()
dmg_sha256 = hashlib.sha256(dmg_data).hexdigest()
# Compare the hash
if dmg_sha256 != expected_dmg_sha256:
print("ERROR! The sha256 doesn't match:")
print("expected: {}".format(expected_dmg_sha256))
print(" actual: {}".format(dmg_sha256))
sys.exit(-1)
# Mount the dmg, copy data to the working path
subprocess.call(["hdiutil", "attach", dmg_path])
# Copy into dist
shutil.copyfile(
os.path.join(dmg_tor_path, "Resources", "TorBrowser", "Tor", "geoip"),
os.path.join(dist_path, "geoip"),
)
shutil.copyfile(
os.path.join(dmg_tor_path, "Resources", "TorBrowser", "Tor", "geoip6"),
os.path.join(dist_path, "geoip6"),
)
shutil.copyfile(
os.path.join(dmg_tor_path, "MacOS", "Tor", "tor.real"),
os.path.join(dist_path, "tor"),
)
os.chmod(os.path.join(dist_path, "tor"), 0o755)
shutil.copyfile(
os.path.join(dmg_tor_path, "MacOS", "Tor", "libevent-2.1.7.dylib"),
os.path.join(dist_path, "libevent-2.1.7.dylib"),
)
# obfs4proxy binary
shutil.copyfile(
os.path.join(dmg_tor_path, "MacOS", "Tor", "PluggableTransports", "obfs4proxy"),
os.path.join(dist_path, "obfs4proxy"),
)
os.chmod(os.path.join(dist_path, "obfs4proxy"), 0o755)
# snowflake-client binary
shutil.copyfile(
os.path.join(
dmg_tor_path, "MacOS", "Tor", "PluggableTransports", "snowflake-client"
),
os.path.join(dist_path, "snowflake-client"),
)
os.chmod(os.path.join(dist_path, "snowflake-client"), 0o755)
# Eject dmg
subprocess.call(["diskutil", "eject", "/Volumes/Tor Browser"])
# Fetch the built-in bridges
UpdateTorBridges(root_path)
if __name__ == "__main__":
main()