From b0eb44f82f5e17413a51865abbf29dbd79b4c9cd Mon Sep 17 00:00:00 2001
From: Micah Lee <micah@micahflee.com>
Date: Sat, 8 Apr 2017 17:29:00 -0700
Subject: [PATCH] Wrote script to download pre-built tor binary for Windows

---
 install/build_exe.bat      |  6 ++-
 install/get-tor-windows.py | 78 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 82 insertions(+), 2 deletions(-)
 create mode 100644 install/get-tor-windows.py

diff --git a/install/build_exe.bat b/install/build_exe.bat
index 0763560a..c1b357fa 100644
--- a/install/build_exe.bat
+++ b/install/build_exe.bat
@@ -1,10 +1,12 @@
-REM delete old build files
-rmdir /s /q build
+REM delete old dist files
 rmdir /s /q dist
 
 REM build onionshare-gui.exe
 pyinstaller install\pyinstaller.spec -y
 
+REM download tor
+python install\get-tor-windows.py
+
 REM sign onionshare-gui.exe
 signtool.exe sign /v /d "OnionShare" /a /tr http://timestamp.globalsign.com/scripts/timstamp.dll /fd sha256 dist\onionshare\onionshare-gui.exe
 
diff --git a/install/get-tor-windows.py b/install/get-tor-windows.py
new file mode 100644
index 00000000..2c069d4f
--- /dev/null
+++ b/install/get-tor-windows.py
@@ -0,0 +1,78 @@
+# -*- 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()