onionshare/install/get-tor-windows.py

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# -*- coding: utf-8 -*-
"""
OnionShare | https://onionshare.org/
Copyright (C) 2017 Micah Lee <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, os, sys, hashlib, zipfile, io, shutil
import urllib.request
def main():
zip_url = 'https://www.torproject.org/dist/torbrowser/6.5.1/tor-win32-0.2.9.10.zip'
zip_filename = 'tor-win32-0.2.9.10.zip'
expected_zip_sha256 = '56e639cd73c48f383fd638568e01ca07750211fca79c87e668cf8baccbf9d38a'
# Build paths
root_path = os.path.dirname(os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))))
working_path = os.path.join(os.path.join(root_path, 'build'), 'tor')
zip_path = os.path.join(working_path, zip_filename)
dist_path = os.path.join(os.path.join(os.path.join(root_path, 'dist'), 'onionshare'), 'tor')
# 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(zip_path):
print("Downloading {}".format(zip_url))
response = urllib.request.urlopen(zip_url)
zip_data = response.read()
open(zip_path, 'wb').write(zip_data)
zip_sha256 = hashlib.sha256(zip_data).hexdigest()
else:
zip_data = open(zip_path, 'rb').read()
zip_sha256 = hashlib.sha256(zip_data).hexdigest()
# Compare the hash
if zip_sha256 != expected_zip_sha256:
print("ERROR! The sha256 doesn't match:")
print("expected: {}".format(expected_zip_sha256))
print(" actual: {}".format(zip_sha256))
sys.exit(-1)
# Extract the zip
z = zipfile.ZipFile(io.BytesIO(zip_data))
z.extractall(working_path)
# Delete un-used files
os.remove(os.path.join(os.path.join(working_path, 'Tor'), 'tor-gencert.exe'))
# Copy into dist
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') )
if __name__ == '__main__':
main()