gn/package_ios.py

#!/usr/bin/env python2.7
#
# Copyright 2017 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import os
import re
import shutil
import subprocess
import sys
import tempfile

# Arguments to the script:
#  app              path to binary to package, e.g. out/Debug/dm
#  identity         code signing identity, a long hex string
#                   (run security find-identity -v -p codesigning | grep Google)
#  mobileprovision  path to Google_Development.mobileprovision
app, identity, mobileprovision = sys.argv[1:]

out, app = os.path.split(app)

pkg = os.path.join(out, app + '.app')
if not os.path.exists(pkg):
  os.mkdir(pkg)

# The binary and .mobileprovision just get copied into the package.
shutil.copy(os.path.join(out, app), pkg)
shutil.copy(mobileprovision,
            os.path.join(pkg, 'embedded.mobileprovision'))

# Write a minimal Info.plist to name the package and point at the binary.
with open(os.path.join(pkg, 'Info.plist'), 'w') as f:
  f.write('''
<plist version="1.0">
  <dict>
    <key>CFBundleExecutable</key> <string>{app}</string>
    <key>CFBundleIdentifier</key> <string>com.google.{app}</string>
  </dict>
</plist>
'''.format(app=app))

# Extract the appliciation identitifer prefix from the .mobileprovision.
m = re.search(r'''<key>ApplicationIdentifierPrefix</key>
\t<array>
\t<string>(.*)</string>''', open(mobileprovision).read(), re.MULTILINE)
prefix = m.group(1)

# Write a minimal entitlements file, then codesign.
with tempfile.NamedTemporaryFile() as f:
  f.write('''
<plist version="1.0">
  <dict>
    <key>application-identifier</key> <string>{prefix}.com.google.{app}</string>
    <key>get-task-allow</key>         <true/>
  </dict>
</plist>
'''.format(prefix=prefix, app=app))
  f.flush()

  subprocess.check_call(['codesign',
                         '--force',
                         '--sign', identity,
                         '--entitlements', f.name,
                         '--timestamp=none',
                         pkg])