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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/component_updater/installer_policies/optimization_hints_component_installer.h"
#include <utility>
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/functional/callback.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/values.h"
#include "base/version.h"
#include "components/component_updater/component_updater_paths.h"
#include "components/optimization_guide/core/filters/optimization_hints_component_update_listener.h"
#include "components/optimization_guide/core/optimization_guide_constants.h"
#include "components/optimization_guide/core/optimization_guide_features.h"
namespace component_updater {
namespace {
const char kDisableInstallerUpdate[] = "optimization-guide-disable-installer";
// The extension id is: lmelglejhemejginpboagddgdfbepgmp
const uint8_t kOptimizationHintsPublicKeySHA256[32] = {
0xbc, 0x4b, 0x6b, 0x49, 0x74, 0xc4, 0x96, 0x8d, 0xf1, 0xe0, 0x63,
0x36, 0x35, 0x14, 0xf6, 0xcf, 0x86, 0x92, 0xe6, 0x06, 0x03, 0x76,
0x70, 0xaf, 0x8b, 0xd4, 0x47, 0x2c, 0x42, 0x59, 0x38, 0xef};
const char kOptimizationHintsSetFetcherManifestName[] = "Optimization Hints";
} // namespace
// static
const char
OptimizationHintsComponentInstallerPolicy::kManifestRulesetFormatKey[] =
"ruleset_format";
OptimizationHintsComponentInstallerPolicy::
OptimizationHintsComponentInstallerPolicy()
: ruleset_format_version_(
base::Version(optimization_guide::kRulesetFormatVersionString)) {
DCHECK(ruleset_format_version_.IsValid());
}
OptimizationHintsComponentInstallerPolicy::
~OptimizationHintsComponentInstallerPolicy() = default;
bool OptimizationHintsComponentInstallerPolicy::
SupportsGroupPolicyEnabledComponentUpdates() const {
return true;
}
bool OptimizationHintsComponentInstallerPolicy::RequiresNetworkEncryption()
const {
return false;
}
update_client::CrxInstaller::Result
OptimizationHintsComponentInstallerPolicy::OnCustomInstall(
const base::Value::Dict& manifest,
const base::FilePath& install_dir) {
return update_client::CrxInstaller::Result(0); // Nothing custom here.
}
void OptimizationHintsComponentInstallerPolicy::OnCustomUninstall() {}
void OptimizationHintsComponentInstallerPolicy::ComponentReady(
const base::Version& version,
const base::FilePath& install_dir,
base::Value::Dict manifest) {
DCHECK(!install_dir.empty());
DVLOG(1) << "Optimization Hints Version Ready: " << version.GetString();
optimization_guide::OptimizationHintsComponentUpdateListener*
update_listener = optimization_guide::
OptimizationHintsComponentUpdateListener::GetInstance();
if (update_listener && !base::CommandLine::ForCurrentProcess()->HasSwitch(
kDisableInstallerUpdate)) {
optimization_guide::HintsComponentInfo info(
version,
install_dir.Append(optimization_guide::kUnindexedHintsFileName));
update_listener->MaybeUpdateHintsComponent(info);
}
}
// Called during startup and installation before ComponentReady().
bool OptimizationHintsComponentInstallerPolicy::VerifyInstallation(
const base::Value::Dict& manifest,
const base::FilePath& install_dir) const {
return base::PathExists(install_dir);
}
base::FilePath
OptimizationHintsComponentInstallerPolicy::GetRelativeInstallDir() const {
return base::FilePath(FILE_PATH_LITERAL("OptimizationHints"));
}
void OptimizationHintsComponentInstallerPolicy::GetHash(
std::vector<uint8_t>* hash) const {
if (!hash) {
return;
}
hash->assign(std::begin(kOptimizationHintsPublicKeySHA256),
std::end(kOptimizationHintsPublicKeySHA256));
}
std::string OptimizationHintsComponentInstallerPolicy::GetName() const {
return kOptimizationHintsSetFetcherManifestName;
}
update_client::InstallerAttributes
OptimizationHintsComponentInstallerPolicy::GetInstallerAttributes() const {
return update_client::InstallerAttributes();
}
void RegisterOptimizationHintsComponent(ComponentUpdateService* cus) {
if (!optimization_guide::features::IsOptimizationHintsEnabled()) {
return;
}
auto installer = base::MakeRefCounted<ComponentInstaller>(
std::make_unique<OptimizationHintsComponentInstallerPolicy>());
installer->Register(cus, base::OnceClosure());
}
} // namespace component_updater
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