3 # Copyright 2014 The Chromium Authors. All rights reserved.
4 # Use of this source code is governed by a BSD-style license that can be
5 # found in the LICENSE file.
7 """Generates the obfuscated jar and test jar for an apk.
9 If proguard is not enabled or 'Release' is not in the configuration name,
10 obfuscation will be a no-op.
19 from util import build_utils
22 parser = optparse.OptionParser()
23 parser.add_option('--android-sdk', help='path to the Android SDK folder')
24 parser.add_option('--android-sdk-tools',
25 help='path to the Android SDK build tools folder')
26 parser.add_option('--android-sdk-jar',
27 help='path to Android SDK\'s android.jar')
28 parser.add_option('--proguard-jar-path',
29 help='Path to proguard.jar in the sdk')
30 parser.add_option('--input-jars-paths',
31 help='Path to jars to include in obfuscated jar')
33 parser.add_option('--proguard-configs',
34 help='Paths to proguard config files')
36 parser.add_option('--configuration-name',
37 help='Gyp configuration name (i.e. Debug, Release)')
38 parser.add_option('--proguard-enabled', action='store_true',
39 help='Set if proguard is enabled for this target.')
41 parser.add_option('--obfuscated-jar-path',
42 help='Output path for obfuscated jar.')
44 parser.add_option('--testapp', action='store_true',
45 help='Set this if building an instrumentation test apk')
46 parser.add_option('--tested-apk-obfuscated-jar-path',
47 help='Path to obfusctated jar of the tested apk')
48 parser.add_option('--test-jar-path',
49 help='Output path for jar containing all the test apk\'s '
52 parser.add_option('--stamp', help='File to touch on success')
54 (options, args) = parser.parse_args(argv)
57 parser.error('No positional arguments should be given. ' + str(args))
59 # Check that required options have been provided.
67 'obfuscated_jar_path',
75 build_utils.CheckOptions(options, parser, required=required_options)
81 options, _ = ParseArgs(argv)
83 library_classpath = [options.android_sdk_jar]
84 input_jars = build_utils.ParseGypList(options.input_jars_paths)
86 dependency_class_filters = [
87 '*R.class', '*R$*.class', '*Manifest.class', '*BuildConfig.class']
89 def DependencyClassFilter(name):
90 for name_filter in dependency_class_filters:
91 if fnmatch.fnmatch(name, name_filter):
96 with zipfile.ZipFile(options.test_jar_path, 'w') as test_jar:
97 for jar in input_jars:
98 with zipfile.ZipFile(jar, 'r') as jar_zip:
99 for name in filter(DependencyClassFilter, jar_zip.namelist()):
100 with jar_zip.open(name) as zip_entry:
101 test_jar.writestr(name, zip_entry.read())
103 if options.configuration_name == 'Release' and options.proguard_enabled:
105 'java', '-jar', options.proguard_jar_path,
107 '-libraryjars', ':'.join(library_classpath),
108 '-dump', options.obfuscated_jar_path + '.dump',
109 '-printseeds', options.obfuscated_jar_path + '.seeds',
110 '-printusage', options.obfuscated_jar_path + '.usage',
111 '-printmapping', options.obfuscated_jar_path + '.mapping',
115 configs = build_utils.ParseGypList(options.proguard_configs)
116 if (options.tested_apk_obfuscated_jar_path and
117 options.tested_apk_obfuscated_jar_path != '/'):
118 # configs should only contain the process_resources.py generated config.
119 assert len(configs) == 1, (
120 'test apks should not have custom proguard configs: ' + str(configs))
121 tested_jar_info = build_utils.ReadJson(
122 options.tested_apk_obfuscated_jar_path + '.info')
123 exclude_paths = tested_jar_info['inputs']
124 configs = tested_jar_info['configs']
128 '-dontskipnonpubliclibraryclassmembers',
129 '-libraryjars', options.tested_apk_obfuscated_jar_path,
130 '-applymapping', options.tested_apk_obfuscated_jar_path + '.mapping',
133 proguard_injars = [p for p in input_jars if p not in exclude_paths]
134 proguard_cmd += ['-injars', ':'.join(proguard_injars)]
136 for config_file in configs:
137 proguard_cmd += ['-include', config_file]
139 # The output jar must be specified after inputs.
140 proguard_cmd += ['-outjars', options.obfuscated_jar_path]
142 build_utils.CheckOutput(proguard_cmd)
145 'inputs': proguard_injars,
149 build_utils.WriteJson(
150 this_info, options.obfuscated_jar_path + '.info')
153 options.obfuscated_jar_path,
154 options.obfuscated_jar_path + '.info',
155 options.obfuscated_jar_path + '.dump',
156 options.obfuscated_jar_path + '.seeds',
157 options.obfuscated_jar_path + '.usage',
158 options.obfuscated_jar_path + '.mapping']
159 for f in output_files:
160 if os.path.exists(f):
165 build_utils.Touch(options.stamp)
167 if __name__ == '__main__':
168 sys.exit(main(sys.argv[1:]))