onionshare/desktop/scripts/get-tor.py

338 lines
11 KiB
Python

#!/usr/bin/env python3
import inspect
import os
from re import M
import sys
import hashlib
import shutil
import subprocess
import requests
import click
torbrowser_version = "12.0"
expected_win32_sha256 = (
"a9cc0f0af2ce8ca0d7a27d65c7efa37f6419cfc793fa80371e7db73d44b4cc02"
)
expected_win64_sha256 = (
"f496cc0219c8b73f1f100124d6514bad55f503ff76202747f23620a6677e83c2"
)
expected_macos_sha256 = (
"11c8360187356e6c0837612a320f1a117303fc449602c9fd73f4faf9f9bbcfc9"
)
expected_linux64_sha256 = (
"850ce601d815bac63e4f5937646d2b497173be28b27b30a7526ebb946a459874"
)
win32_filename = f"torbrowser-install-{torbrowser_version}_ALL.exe"
win32_url = f"https://dist.torproject.org/torbrowser/{torbrowser_version}/{win32_filename}"
win64_filename = f"torbrowser-install-win64-{torbrowser_version}_ALL.exe"
win64_url = f"https://dist.torproject.org/torbrowser/{torbrowser_version}/{win64_filename}"
macos_filename = f"TorBrowser-{torbrowser_version}-macos_ALL.dmg"
macos_url = f"https://dist.torproject.org/torbrowser/{torbrowser_version}/{macos_filename}"
linux64_filename = f"tor-browser-linux64-{torbrowser_version}_ALL.tar.xz"
linux64_url = f"https://dist.torproject.org/torbrowser/{torbrowser_version}/{linux64_filename}"
# Common 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")
def get_tor_windows(platform):
if platform == "win32":
win_url = win32_url
win_filename = win32_filename
expected_win_sha256 = expected_win32_sha256
bin_filenames = [
"tor.exe"
]
elif platform == "win64":
win_url = win64_url
win_filename = win64_filename
expected_win_sha256 = expected_win64_sha256
bin_filenames = [
"tor.exe"
]
else:
click.echo("invalid platform")
return
# Build paths
win_path = os.path.join(working_path, win_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(win_path):
print("Downloading {}".format(win_url))
r = requests.get(win_url)
open(win_path, "wb").write(r.content)
win_sha256 = hashlib.sha256(r.content).hexdigest()
else:
print("Already downloaded: {}".format(win_path))
win_data = open(win_path, "rb").read()
win_sha256 = hashlib.sha256(win_data).hexdigest()
# Compare the hash
if win_sha256 != expected_win_sha256:
print("ERROR! The sha256 doesn't match:")
print("expected: {}".format(expected_win32_sha256))
print(" actual: {}".format(win_sha256))
sys.exit(-1)
# Extract the bits we need from the exe
subprocess.Popen(
[
"7z",
"e",
"-y",
win_path,
"Browser\\TorBrowser\\Tor",
"-o%s" % os.path.join(working_path, "Tor"),
]
).wait()
subprocess.Popen(
[
"7z",
"e",
"-y",
win_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)
for filename in bin_filenames:
shutil.copyfile(
os.path.join(working_path, "Tor", filename),
os.path.join(dist_path, filename),
)
for filename in ["geoip", "geoip6"]:
shutil.copyfile(
os.path.join(working_path, "Data", filename),
os.path.join(dist_path, filename),
)
# Fetch the built-in bridges
update_tor_bridges()
def get_tor_macos():
# Build paths
dmg_tor_path = os.path.join(
"/Volumes", "Tor Browser", "Tor Browser.app", "Contents"
)
dmg_path = os.path.join(working_path, macos_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(macos_url))
r = requests.get(macos_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_macos_sha256:
print("ERROR! The sha256 doesn't match:")
print("expected: {}".format(expected_macos_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"),
)
# Eject dmg
subprocess.call(["diskutil", "eject", "/Volumes/Tor Browser"])
# Fetch the built-in bridges
update_tor_bridges()
def get_tor_linux64():
# Build paths
tarball_path = os.path.join(working_path, linux64_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(linux64_url))
r = requests.get(linux64_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_linux64_sha256:
print("ERROR! The sha256 doesn't match:")
print("expected: {}".format(expected_linux64_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"),
)
print(f"Tor binaries extracted to: {dist_path}")
# Fetch the built-in bridges
update_tor_bridges()
def update_tor_bridges():
"""
Update the built-in Tor Bridges in OnionShare's torrc templates.
"""
torrc_template_dir = os.path.join(
root_path, os.pardir, "cli/onionshare_cli/resources"
)
endpoint = "https://bridges.torproject.org/moat/circumvention/builtin"
r = requests.post(
endpoint,
headers={"Content-Type": "application/vnd.api+json"},
)
if r.status_code != 200:
print(
f"There was a problem fetching the latest built-in bridges: status_code={r.status_code}"
)
sys.exit(1)
result = r.json()
print(f"Built-in bridges: {result}")
if "errors" in result:
print(
f"There was a problem fetching the latest built-in bridges: errors={result['errors']}"
)
sys.exit(1)
for bridge_type in ["meek-azure", "obfs4", "snowflake"]:
if bridge_type in result and result[bridge_type]:
if bridge_type == "meek-azure":
torrc_template_extension = "meek_lite_azure"
else:
torrc_template_extension = bridge_type
torrc_template = os.path.join(
root_path,
torrc_template_dir,
f"torrc_template-{torrc_template_extension}",
)
with open(torrc_template, "w") as f:
f.write(f"# Enable built-in {bridge_type} bridge\n")
bridges = result[bridge_type]
# Sorts the bridges numerically by IP, since they come back in
# random order from the API each time, and create noisy git diff.
bridges.sort(key=lambda s: s.split()[1])
for item in bridges:
f.write(f"Bridge {item}\n")
@click.command()
@click.argument("platform")
def main(platform):
"""
Download Tor Browser and extract tor binaries
"""
valid_platforms = ["win32", "win64", "macos", "linux64"]
if platform not in valid_platforms:
click.echo(f"platform must be one of: {valid_platforms}")
return
if platform == "win32":
get_tor_windows(platform)
elif platform == "win64":
get_tor_windows(platform)
elif platform == "macos":
get_tor_macos()
elif platform == "linux64":
get_tor_linux64()
else:
click.echo("invalid platform")
if __name__ == "__main__":
main()