naiveproxy/build/android/gyp/finalize_apk.py
2018-01-28 13:32:06 -05:00

124 lines
3.6 KiB
Python
Executable File

#!/usr/bin/env python
#
# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Signs and zipaligns APK.
"""
import optparse
import os
import shutil
import sys
import tempfile
import zipfile
# resource_sizes modifies zipfile for zip64 compatibility. See
# https://bugs.python.org/issue14315.
sys.path.append(os.path.join(os.path.dirname(__file__), os.pardir))
import resource_sizes # pylint: disable=unused-import
from util import build_utils
def JarSigner(key_path, key_name, key_passwd, unsigned_path, signed_path):
shutil.copy(unsigned_path, signed_path)
sign_cmd = [
'jarsigner',
'-sigalg', 'MD5withRSA',
'-digestalg', 'SHA1',
'-keystore', key_path,
'-storepass', key_passwd,
signed_path,
key_name,
]
build_utils.CheckOutput(sign_cmd)
def AlignApk(zipalign_path, unaligned_path, final_path):
# Note -p will page align native libraries (files ending with .so), but
# only those that are stored uncompressed.
align_cmd = [
zipalign_path,
'-p',
'-f',
]
align_cmd += [
'4', # 4 bytes
unaligned_path,
final_path,
]
build_utils.CheckOutput(align_cmd)
def main(args):
args = build_utils.ExpandFileArgs(args)
parser = optparse.OptionParser()
build_utils.AddDepfileOption(parser)
parser.add_option('--zipalign-path', help='Path to the zipalign tool.')
parser.add_option('--unsigned-apk-path', help='Path to input unsigned APK.')
parser.add_option('--final-apk-path',
help='Path to output signed and aligned APK.')
parser.add_option('--key-path', help='Path to keystore for signing.')
parser.add_option('--key-passwd', help='Keystore password')
parser.add_option('--key-name', help='Keystore name')
options, _ = parser.parse_args()
input_paths = [
options.unsigned_apk_path,
options.key_path,
]
input_strings = [
options.key_name,
options.key_passwd,
]
build_utils.CallAndWriteDepfileIfStale(
lambda: FinalizeApk(options),
options,
record_path=options.unsigned_apk_path + '.finalize.md5.stamp',
input_paths=input_paths,
input_strings=input_strings,
output_paths=[options.final_apk_path])
def _NormalizeZip(path):
with tempfile.NamedTemporaryFile(suffix='.zip') as hermetic_signed_apk:
with zipfile.ZipFile(path, 'r') as zi:
with zipfile.ZipFile(hermetic_signed_apk, 'w') as zo:
for info in zi.infolist():
# Ignore 'extended local file headers'. Python doesn't write them
# properly (see https://bugs.python.org/issue1742205) which causes
# zipalign to miscalculate alignment. Since we don't use them except
# for alignment anyway, we write a stripped file here and let
# zipalign add them properly later. eLFHs are controlled by 'general
# purpose bit flag 03' (0x08) so we mask that out.
info.flag_bits = info.flag_bits & 0xF7
info.date_time = build_utils.HERMETIC_TIMESTAMP
zo.writestr(info, zi.read(info.filename))
shutil.copy(hermetic_signed_apk.name, path)
def FinalizeApk(options):
with tempfile.NamedTemporaryFile() as signed_apk_path_tmp:
signed_apk_path = signed_apk_path_tmp.name
JarSigner(options.key_path, options.key_name, options.key_passwd,
options.unsigned_apk_path, signed_apk_path)
# Make the newly added signing files hermetic.
_NormalizeZip(signed_apk_path)
AlignApk(options.zipalign_path, signed_apk_path, options.final_apk_path)
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))