2013-04-10 02:22:15 +04:00
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#!/usr/bin/env python
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#
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# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Signs and zipaligns APK.
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"""
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import optparse
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import shutil
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import sys
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2013-06-25 22:42:07 +04:00
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import tempfile
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2013-04-10 02:22:15 +04:00
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2014-02-11 05:47:41 +04:00
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from util import build_utils
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2013-04-10 02:22:15 +04:00
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2014-10-02 22:20:18 +04:00
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def RenameInflateAndAddPageAlignment(
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rezip_apk_jar_path, in_zip_file, out_zip_file):
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2014-09-30 21:15:32 +04:00
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rezip_apk_cmd = [
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'java',
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'-classpath',
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rezip_apk_jar_path,
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'RezipApk',
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'renamealign',
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2014-06-27 20:59:46 +04:00
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in_zip_file,
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out_zip_file,
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]
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2014-09-30 21:15:32 +04:00
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build_utils.CheckOutput(rezip_apk_cmd)
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def ReorderAndAlignApk(rezip_apk_jar_path, in_zip_file, out_zip_file):
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rezip_apk_cmd = [
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'java',
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'-classpath',
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rezip_apk_jar_path,
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'RezipApk',
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'reorder',
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in_zip_file,
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out_zip_file,
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]
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build_utils.CheckOutput(rezip_apk_cmd)
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def JarSigner(key_path, key_name, key_passwd, unsigned_path, signed_path):
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shutil.copy(unsigned_path, signed_path)
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sign_cmd = [
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'jarsigner',
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'-sigalg', 'MD5withRSA',
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'-digestalg', 'SHA1',
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'-keystore', key_path,
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'-storepass', key_passwd,
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signed_path,
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key_name,
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]
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2013-12-07 03:24:37 +04:00
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build_utils.CheckOutput(sign_cmd)
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2013-04-10 02:22:15 +04:00
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2014-04-19 00:22:43 +04:00
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def AlignApk(zipalign_path, unaligned_path, final_path):
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align_cmd = [
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zipalign_path,
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'-f', '4', # 4 bytes
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unaligned_path,
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final_path,
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]
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build_utils.CheckOutput(align_cmd)
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2014-03-21 03:09:28 +04:00
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def main():
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parser = optparse.OptionParser()
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build_utils.AddDepfileOption(parser)
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parser.add_option('--rezip-apk-jar-path',
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help='Path to the RezipApk jar file.')
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parser.add_option('--zipalign-path', help='Path to the zipalign tool.')
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parser.add_option('--unsigned-apk-path', help='Path to input unsigned APK.')
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parser.add_option('--final-apk-path',
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help='Path to output signed and aligned APK.')
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parser.add_option('--key-path', help='Path to keystore for signing.')
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parser.add_option('--key-passwd', help='Keystore password')
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parser.add_option('--key-name', help='Keystore name')
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parser.add_option('--stamp', help='Path to touch on success.')
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parser.add_option('--load-library-from-zip', type='int',
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help='If non-zero, build the APK such that the library can be loaded ' +
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'directly from the zip file using the crazy linker. The library ' +
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'will be renamed, uncompressed and page aligned.')
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options, _ = parser.parse_args()
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2015-05-23 00:32:09 +03:00
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FinalizeApk(options)
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if options.depfile:
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build_utils.WriteDepfile(
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options.depfile, build_utils.GetPythonDependencies())
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if options.stamp:
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build_utils.Touch(options.stamp)
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def FinalizeApk(options):
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with tempfile.NamedTemporaryFile() as signed_apk_path_tmp, \
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tempfile.NamedTemporaryFile() as apk_to_sign_tmp:
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2015-05-21 07:38:34 +03:00
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if options.load_library_from_zip:
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# We alter the name of the library so that the Android Package Manager
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# does not extract it into a separate file. This must be done before
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# signing, as the filename is part of the signed manifest. At the same
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# time we uncompress the library, which is necessary so that it can be
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# loaded directly from the APK.
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# Move the library to a page boundary by adding a page alignment file.
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apk_to_sign = apk_to_sign_tmp.name
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RenameInflateAndAddPageAlignment(
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options.rezip_apk_jar_path, options.unsigned_apk_path, apk_to_sign)
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else:
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apk_to_sign = options.unsigned_apk_path
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signed_apk_path = signed_apk_path_tmp.name
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JarSigner(options.key_path, options.key_name, options.key_passwd,
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apk_to_sign, signed_apk_path)
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2014-06-27 20:59:46 +04:00
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2015-05-21 07:38:34 +03:00
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if options.load_library_from_zip:
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# Reorder the contents of the APK. This re-establishes the canonical
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# order which means the library will be back at its page aligned location.
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# This step also aligns uncompressed items to 4 bytes.
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ReorderAndAlignApk(
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options.rezip_apk_jar_path, signed_apk_path, options.final_apk_path)
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else:
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# Align uncompressed items to 4 bytes
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AlignApk(options.zipalign_path, signed_apk_path, options.final_apk_path)
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if __name__ == '__main__':
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sys.exit(main())
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