mirror of
https://github.com/onionshare/onionshare.git
synced 2024-12-11 16:54:45 -05:00
350 lines
11 KiB
Python
350 lines
11 KiB
Python
#!/usr/bin/env python3
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import inspect
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import os
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from re import M
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import sys
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import hashlib
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import shutil
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import subprocess
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import requests
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import click
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import tempfile
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import gnupg
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torbrowser_latest_url = (
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"https://aus1.torproject.org/torbrowser/update_3/release/downloads.json"
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)
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tor_dev_fingerprint = "EF6E286DDA85EA2A4BA7DE684E2C6E8793298290"
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# Common paths
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root_path = os.path.dirname(
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os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
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)
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working_path = os.path.join(root_path, "build", "tor")
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def get_latest_tor_version_urls(platform):
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r = requests.get(torbrowser_latest_url)
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if r.status_code != 200 or platform not in r.json()["downloads"]:
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print("Tor browser latest version url not working")
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sys.exit(-1)
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platform_url = r.json()["downloads"][platform]["ALL"]["binary"]
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platform_sig_url = r.json()["downloads"][platform]["ALL"]["sig"]
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platform_filename = platform_url.split("/")[-1]
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return platform_url, platform_filename, platform_sig_url
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def get_tor_windows(gpg, torkey, win_url, win_filename, expected_win_sig):
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bin_filenames = ["tor.exe"]
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# Build paths
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win_path = os.path.join(working_path, win_filename)
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win_sig_path = os.path.join(working_path, f"{win_filename}.asc")
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dist_path = os.path.join(root_path, "onionshare", "resources", "tor")
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# Make sure the working folder exists
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if not os.path.exists(working_path):
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os.makedirs(working_path)
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# Make sure Tor Browser is downloaded
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if not os.path.exists(win_path):
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print("Downloading {}".format(win_url))
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r = requests.get(win_url)
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open(win_path, "wb").write(r.content)
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# Make sure Tor Browser signature is downloaded
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if not os.path.exists(win_sig_path):
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print("Downloading {}".format(expected_win_sig))
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r = requests.get(expected_win_sig)
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open(win_sig_path, "wb").write(r.content)
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# Verify the signature
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sig_stream = open(win_sig_path, "rb")
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verified = gpg.verify_file(sig_stream, win_path)
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if not verified.valid or verified.pubkey_fingerprint != tor_dev_fingerprint:
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print("ERROR! The tarball verification with the signature failed!")
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sys.exit(-1)
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print("Tor Browser verification successful!")
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# Extract the bits we need from the exe
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subprocess.Popen(
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[
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"7z",
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"e",
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"-y",
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win_path,
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"Browser\\TorBrowser\\Tor",
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"-o%s" % os.path.join(working_path, "Tor"),
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]
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).wait()
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subprocess.Popen(
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[
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"7z",
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"e",
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"-y",
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win_path,
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"Browser\\TorBrowser\\Data\\Tor\\geoip*",
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"-o%s" % os.path.join(working_path, "Data"),
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]
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).wait()
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# Copy into the onionshare resources
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if os.path.exists(dist_path):
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shutil.rmtree(dist_path)
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os.makedirs(dist_path)
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for filename in bin_filenames:
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shutil.copyfile(
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os.path.join(working_path, "Tor", filename),
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os.path.join(dist_path, filename),
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)
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for filename in ["geoip", "geoip6"]:
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shutil.copyfile(
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os.path.join(working_path, "Data", filename),
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os.path.join(dist_path, filename),
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)
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# Fetch the built-in bridges
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update_tor_bridges()
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def get_tor_macos(gpg, torkey, macos_url, macos_filename, expected_macos_sig):
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# Build paths
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dmg_tor_path = os.path.join(
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"/Volumes", "Tor Browser", "Tor Browser.app", "Contents"
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)
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dmg_path = os.path.join(working_path, macos_filename)
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dmg_sig_path = os.path.join(working_path, f"{macos_filename}.asc")
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dist_path = os.path.join(root_path, "onionshare", "resources", "tor")
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if not os.path.exists(dist_path):
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os.makedirs(dist_path, exist_ok=True)
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# Make sure the working folder exists
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if not os.path.exists(working_path):
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os.makedirs(working_path)
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# Make sure the zip is downloaded
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if not os.path.exists(dmg_path):
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print("Downloading {}".format(macos_url))
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r = requests.get(macos_url)
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open(dmg_path, "wb").write(r.content)
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# Make sure the signature is downloaded
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if not os.path.exists(dmg_sig_path):
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print("Downloading {}".format(expected_macos_sig))
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r = requests.get(expected_macos_sig)
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open(dmg_sig_path, "wb").write(r.content)
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# Verify the signature
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sig_stream = open(dmg_sig_path, "rb")
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verified = gpg.verify_file(sig_stream, dmg_path)
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if not verified.valid or verified.pubkey_fingerprint != tor_dev_fingerprint:
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print("ERROR! The tarball verification with the signature failed!")
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sys.exit(-1)
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print("Tor Browser verification successful!")
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# Mount the dmg, copy data to the working path
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subprocess.call(["hdiutil", "attach", dmg_path])
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# Copy into dist
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shutil.copyfile(
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os.path.join(dmg_tor_path, "Resources", "TorBrowser", "Tor", "geoip"),
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os.path.join(dist_path, "geoip"),
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)
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shutil.copyfile(
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os.path.join(dmg_tor_path, "Resources", "TorBrowser", "Tor", "geoip6"),
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os.path.join(dist_path, "geoip6"),
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)
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shutil.copyfile(
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os.path.join(dmg_tor_path, "MacOS", "Tor", "tor"),
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os.path.join(dist_path, "tor"),
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)
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os.chmod(os.path.join(dist_path, "tor"), 0o755)
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shutil.copyfile(
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os.path.join(dmg_tor_path, "MacOS", "Tor", "libevent-2.1.7.dylib"),
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os.path.join(dist_path, "libevent-2.1.7.dylib"),
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)
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# Eject dmg
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subprocess.call(["diskutil", "eject", "/Volumes/Tor Browser"])
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# Fetch the built-in bridges
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update_tor_bridges()
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def get_tor_linux64(gpg, torkey, linux64_url, linux64_filename, expected_linux64_sig):
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# Build paths
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tarball_path = os.path.join(working_path, linux64_filename)
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tarball_sig_path = os.path.join(working_path, f"{linux64_filename}.asc")
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dist_path = os.path.join(root_path, "onionshare", "resources", "tor")
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# Make sure dirs exist
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if not os.path.exists(working_path):
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os.makedirs(working_path, exist_ok=True)
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if not os.path.exists(dist_path):
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os.makedirs(dist_path, exist_ok=True)
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# Make sure the tarball is downloaded
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if not os.path.exists(tarball_path):
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print("Downloading {}".format(linux64_url))
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r = requests.get(linux64_url)
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open(tarball_path, "wb").write(r.content)
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# Make sure the signature file is downloaded
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if not os.path.exists(tarball_sig_path):
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print("Downloading {}".format(expected_linux64_sig))
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r = requests.get(expected_linux64_sig)
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open(tarball_sig_path, "wb").write(r.content)
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# Verify signature
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sig_stream = open(tarball_sig_path, "rb")
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verified = gpg.verify_file(sig_stream, tarball_path)
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if not verified.valid or verified.pubkey_fingerprint != tor_dev_fingerprint:
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print("ERROR! The tarball verification with the signature failed!")
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sys.exit(-1)
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print("Tor Browser verification successful!")
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# Delete extracted tarball, if it's there
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shutil.rmtree(os.path.join(working_path, "tor-browser"), ignore_errors=True)
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# Extract the tarball
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subprocess.call(["tar", "-xvf", tarball_path], cwd=working_path)
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tarball_tor_path = os.path.join(
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working_path, "tor-browser", "Browser", "TorBrowser"
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)
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# Copy into dist
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shutil.copyfile(
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os.path.join(tarball_tor_path, "Data", "Tor", "geoip"),
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os.path.join(dist_path, "geoip"),
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)
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shutil.copyfile(
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os.path.join(tarball_tor_path, "Data", "Tor", "geoip6"),
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os.path.join(dist_path, "geoip6"),
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)
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shutil.copyfile(
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os.path.join(tarball_tor_path, "Tor", "tor"),
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os.path.join(dist_path, "tor"),
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)
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os.chmod(os.path.join(dist_path, "tor"), 0o755)
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shutil.copyfile(
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os.path.join(tarball_tor_path, "Tor", "libcrypto.so.3"),
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os.path.join(dist_path, "libcrypto.so.3"),
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)
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shutil.copyfile(
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os.path.join(tarball_tor_path, "Tor", "libevent-2.1.so.7"),
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os.path.join(dist_path, "libevent-2.1.so.7"),
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)
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shutil.copyfile(
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os.path.join(tarball_tor_path, "Tor", "libssl.so.3"),
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os.path.join(dist_path, "libssl.so.3"),
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)
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shutil.copyfile(
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os.path.join(tarball_tor_path, "Tor", "libstdc++", "libstdc++.so.6"),
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os.path.join(dist_path, "libstdc++.so.6"),
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)
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print(f"Tor binaries extracted to: {dist_path}")
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# Fetch the built-in bridges
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update_tor_bridges()
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def update_tor_bridges():
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"""
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Update the built-in Tor Bridges in OnionShare's torrc templates.
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"""
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torrc_template_dir = os.path.join(
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root_path, os.pardir, "cli/onionshare_cli/resources"
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)
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endpoint = "https://bridges.torproject.org/moat/circumvention/builtin"
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r = requests.post(
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endpoint,
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headers={"Content-Type": "application/vnd.api+json"},
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)
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if r.status_code != 200:
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print(
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f"There was a problem fetching the latest built-in bridges: status_code={r.status_code}"
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)
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sys.exit(1)
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result = r.json()
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print(f"Built-in bridges: {result}")
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if "errors" in result:
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print(
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f"There was a problem fetching the latest built-in bridges: errors={result['errors']}"
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)
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sys.exit(1)
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for bridge_type in ["meek-azure", "obfs4", "snowflake"]:
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if bridge_type in result and result[bridge_type]:
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if bridge_type == "meek-azure":
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torrc_template_extension = "meek_lite_azure"
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else:
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torrc_template_extension = bridge_type
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torrc_template = os.path.join(
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root_path,
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torrc_template_dir,
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f"torrc_template-{torrc_template_extension}",
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)
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with open(torrc_template, "w") as f:
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f.write(f"# Enable built-in {bridge_type} bridge\n")
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bridges = result[bridge_type]
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# Sorts the bridges numerically by IP, since they come back in
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# random order from the API each time, and create noisy git diff.
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bridges.sort(key=lambda s: s.split()[1])
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for item in bridges:
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f.write(f"Bridge {item}\n")
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@click.command()
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@click.argument("platform")
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def main(platform):
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"""
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Download Tor Browser and extract tor binaries
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"""
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valid_platforms = ["win64", "macos", "linux-x86_64"]
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if platform not in valid_platforms:
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click.echo(f"platform must be one of: {valid_platforms}")
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return
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(
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platform_url,
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platform_filename,
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expected_platform_sig,
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) = get_latest_tor_version_urls(platform)
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tmpdir = tempfile.TemporaryDirectory()
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gpg = gnupg.GPG(gnupghome=tmpdir.name)
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torkey = gpg.import_keys_file(
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os.path.join(root_path, "scripts", "tor-browser-devs.gpg")
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)
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print(f"Imported Tor GPG key: {torkey.fingerprints}")
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if platform == "win64":
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get_tor_windows(
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gpg, torkey, platform_url, platform_filename, expected_platform_sig
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)
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elif platform == "macos":
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get_tor_macos(
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gpg, torkey, platform_url, platform_filename, expected_platform_sig
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)
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elif platform == "linux-x86_64":
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get_tor_linux64(
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gpg, torkey, platform_url, platform_filename, expected_platform_sig
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)
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else:
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click.echo("invalid platform")
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tmpdir.cleanup()
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if __name__ == "__main__":
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main()
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