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 _HardcodeInTable(table, is_bundle_module, shared_resources_allowlist):
translations_package = None
if is_bundle_module:
# A separate top level package will be added to the resources, which
# contains only locale specific resources. The package ID of the locale
# resources is hardcoded to SHARED_LIBRARY_HARDCODED_ID. This causes
# resources in locale splits to all get assigned
# SHARED_LIBRARY_HARDCODED_ID as their package ID, which prevents a bug
# in shared library bundles where each split APK gets a separate dynamic
# ID, and cannot be accessed by the main APK.
translations_package = Resources_pb2.Package()
translations_package.package_id.id = SHARED_LIBRARY_HARDCODED_ID
translations_package.package_name = (table.package[0].package_name +
'_translations')
# These resources are allowed in the base resources, since they are needed
# by WebView.
allowed_resource_names = set()
if shared_resources_allowlist:
allowed_resource_names = set(
resource_utils.GetRTxtStringResourceNames(shared_resources_allowlist))
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)
if translations_package is not None:
locale_type = _SplitLocaleResourceType(_type, allowed_resource_names)
if locale_type:
translations_package.type.add().CopyFrom(locale_type)
if translations_package is not None:
table.package.add().CopyFrom(translations_package)
def _SplitLocaleResourceType(_type, allowed_resource_names):
"""Splits locale specific resources out of |_type| and returns them.
Any locale specific resources will be removed from |_type|, and a new
Resources_pb2.Type value will be returned which contains those resources.
Args:
_type: A Resources_pb2.Type value
allowed_resource_names: Names of locale resources that should be kept in the
main type.
"""
locale_entries = []
for entry in _type.entry:
if entry.name in allowed_resource_names:
continue
# First collect all resources values with a locale set.
config_values_with_locale = []
for config_value in entry.config_value:
if config_value.config.locale:
config_values_with_locale.append(config_value)
if config_values_with_locale:
# Remove the locale resources from the original entry
for value in config_values_with_locale:
entry.config_value.remove(value)
# Add locale resources to a new Entry, and save for later.
locale_entry = Resources_pb2.Entry()
locale_entry.CopyFrom(entry)
del locale_entry.config_value[:]
locale_entry.config_value.extend(config_values_with_locale)
locale_entries.append(locale_entry)
if not locale_entries:
return None
# Copy the original type and replace the entries with |locale_entries|.
locale_type = Resources_pb2.Type()
locale_type.CopyFrom(_type)
del locale_type.entry[:]
locale_type.entry.extend(locale_entries)
return locale_type
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 _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)
