def _TableFromFlatBytes(data):
# https://cs.android.com/android/platform/superproject/+/master:frameworks/base/tools/aapt2/format/Container.cpp
size_idx = len(_FLAT_ARSC_HEADER)
proto_idx = size_idx + 8
if data[:size_idx] != _FLAT_ARSC_HEADER:
raise Exception('Error parsing {} in {}'.format(info.filename, zip_path))
# Size is stored as uint64.
size = struct.unpack('<Q', data[size_idx:proto_idx])[0]
table = Resources_pb2.ResourceTable()
proto_bytes = data[proto_idx:proto_idx + size]
table.ParseFromString(proto_bytes)
return table
def process_func(filename, data):
if filename == 'resources.pb':
table = Resources_pb2.ResourceTable()
table.ParseFromString(data)
_HardcodeInTable(table, is_bundle_module, shared_resources_allowlist)
data = table.SerializeToString()
elif filename.endswith('.xml') and not filename.startswith('res/raw'):
xml_node = Resources_pb2.XmlNode()
xml_node.ParseFromString(data)
_ProcessProtoXmlNode(xml_node)
data = xml_node.SerializeToString()
return data
def _HardcodeSharedLibraryDynamicAttributes(zip_path):
"""Hardcodes the package IDs of dynamic attributes to 0x02.
This is a workaround for b/147674078, which affects Android versions pre-N.
Args:
zip_path: Path to proto APK file.
"""
with build_utils.TempDir() as tmp_dir:
build_utils.ExtractAll(zip_path, path=tmp_dir)
# First process the resources file.
table = Resources_pb2.ResourceTable()
with open(os.path.join(tmp_dir, 'resources.pb')) as f:
table.ParseFromString(f.read())
for package in table.package:
for _type in package.type:
for entry in _type.entry:
for config_value in entry.config_value:
_ProcessProtoValue(config_value.value)
with open(os.path.join(tmp_dir, 'resources.pb'), 'w') as f:
f.write(table.SerializeToString())
# Next process all the XML files.
xml_files = build_utils.FindInDirectory(tmp_dir, '*.xml')
for xml_file in xml_files:
xml_node = Resources_pb2.XmlNode()
with open(xml_file) as f:
xml_node.ParseFromString(f.read())
_ProcessProtoXmlNode(xml_node)
with open(xml_file, 'w') as f:
f.write(xml_node.SerializeToString())
# Overwrite the original zip file.
build_utils.ZipDir(zip_path, tmp_dir)