mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 14:26:09 +03:00
125 lines
3.9 KiB
Python
Executable File
125 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# Copyright 2017 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.
|
|
|
|
"""A tool for interacting with .pak files.
|
|
|
|
For details on the pak file format, see:
|
|
https://dev.chromium.org/developers/design-documents/linuxresourcesandlocalizedstrings
|
|
"""
|
|
|
|
import argparse
|
|
import hashlib
|
|
import os
|
|
import sys
|
|
|
|
from grit.format import data_pack
|
|
|
|
|
|
def _RepackMain(args):
|
|
data_pack.RePack(args.output_pak_file, args.input_pak_files, args.whitelist,
|
|
args.suppress_removed_key_output)
|
|
|
|
|
|
def _ExtractMain(args):
|
|
pak = data_pack.ReadDataPack(args.pak_file)
|
|
|
|
for resource_id, payload in pak.resources.iteritems():
|
|
path = os.path.join(args.output_dir, str(resource_id))
|
|
with open(path, 'w') as f:
|
|
f.write(payload)
|
|
|
|
|
|
def _PrintMain(args):
|
|
pak = data_pack.ReadDataPack(args.pak_file)
|
|
id_map = {id(v): k for k, v in sorted(pak.resources.items(), reverse=True)}
|
|
encoding = 'binary'
|
|
if pak.encoding == 1:
|
|
encoding = 'utf-8'
|
|
elif pak.encoding == 2:
|
|
encoding = 'utf-16'
|
|
else:
|
|
encoding = '?' + str(pak.encoding)
|
|
print 'Encoding:', encoding
|
|
|
|
try_decode = encoding.startswith('utf')
|
|
# Print IDs in ascending order, since that's the order in which they appear in
|
|
# the file (order is lost by Python dict).
|
|
for resource_id in sorted(pak.resources):
|
|
data = pak.resources[resource_id]
|
|
desc = '<binary>'
|
|
if try_decode:
|
|
try:
|
|
desc = unicode(data, encoding)
|
|
if len(desc) > 60:
|
|
desc = desc[:60] + u'...'
|
|
desc = desc.replace('\n', '\\n')
|
|
except UnicodeDecodeError:
|
|
pass
|
|
sha1 = hashlib.sha1(data).hexdigest()[:10]
|
|
canonical_id = id_map[id(data)]
|
|
if resource_id == canonical_id:
|
|
line = u'Entry(id={}, len={}, sha1={}): {}'.format(
|
|
resource_id, len(data), sha1, desc)
|
|
else:
|
|
line = u'Entry(id={}, alias_of={}): {}'.format(
|
|
resource_id, canonical_id, desc)
|
|
print line.encode('utf-8')
|
|
|
|
|
|
def _ListMain(args):
|
|
resources, _ = data_pack.ReadDataPack(args.pak_file)
|
|
for resource_id in sorted(resources.keys()):
|
|
args.output.write('%d\n' % resource_id)
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(
|
|
description=__doc__, formatter_class=argparse.RawTextHelpFormatter)
|
|
sub_parsers = parser.add_subparsers()
|
|
|
|
sub_parser = sub_parsers.add_parser('repack',
|
|
help='Combines several .pak files into one.')
|
|
sub_parser.add_argument('output_pak_file', help='File to create.')
|
|
sub_parser.add_argument('input_pak_files', nargs='+',
|
|
help='Input .pak files.')
|
|
sub_parser.add_argument('--whitelist',
|
|
help='Path to a whitelist used to filter output pak file resource IDs.')
|
|
sub_parser.add_argument('--suppress-removed-key-output', action='store_true',
|
|
help='Do not log which keys were removed by the whitelist.')
|
|
sub_parser.set_defaults(func=_RepackMain)
|
|
|
|
sub_parser = sub_parsers.add_parser('extract', help='Extracts pak file')
|
|
sub_parser.add_argument('pak_file')
|
|
sub_parser.add_argument('-o', '--output-dir', default='.',
|
|
help='Directory to extract to.')
|
|
sub_parser.set_defaults(func=_ExtractMain)
|
|
|
|
sub_parser = sub_parsers.add_parser('print',
|
|
help='Prints all pak IDs and contents. Useful for diffing.')
|
|
sub_parser.add_argument('pak_file')
|
|
sub_parser.set_defaults(func=_PrintMain)
|
|
|
|
sub_parser = sub_parsers.add_parser('list-id',
|
|
help='Outputs all resource IDs to a file.')
|
|
sub_parser.add_argument('pak_file')
|
|
sub_parser.add_argument('--output', type=argparse.FileType('w'),
|
|
default=sys.stdout,
|
|
help='The resource list path to write (default stdout)')
|
|
sub_parser.set_defaults(func=_ListMain)
|
|
|
|
if len(sys.argv) == 1:
|
|
parser.print_help()
|
|
sys.exit(1)
|
|
elif len(sys.argv) == 2 and sys.argv[1] in actions:
|
|
parser.parse_args(sys.argv[1:] + ['-h'])
|
|
sys.exit(1)
|
|
|
|
args = parser.parse_args()
|
|
args.func(args)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|