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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_COMPONENT_UPDATER_INSTALLER_POLICIES_FIRST_PARTY_SETS_COMPONENT_INSTALLER_POLICY_H_
#define COMPONENTS_COMPONENT_UPDATER_INSTALLER_POLICIES_FIRST_PARTY_SETS_COMPONENT_INSTALLER_POLICY_H_
#include <stdint.h>
#include <memory>
#include <string>
#include <string_view>
#include <vector>
#include "base/files/file.h"
#include "base/functional/callback.h"
#include "base/gtest_prod_util.h"
#include "base/values.h"
#include "base/version.h"
#include "components/component_updater/component_installer.h"
namespace base {
class FilePath;
} // namespace base
namespace component_updater {
inline constexpr base::FilePath::CharType kFpsMetadataComponentFileName[] =
FILE_PATH_LITERAL("sets.json");
class FirstPartySetsComponentInstallerPolicy : public ComponentInstallerPolicy {
public:
using SetsReadyOnceCallback =
base::OnceCallback<void(base::Version, base::File)>;
// `on_sets_ready` will be called on the UI thread when the sets are ready. It
// is exposed here for testing.
explicit FirstPartySetsComponentInstallerPolicy(
SetsReadyOnceCallback on_sets_ready,
base::TaskPriority priority);
~FirstPartySetsComponentInstallerPolicy() override;
FirstPartySetsComponentInstallerPolicy(
const FirstPartySetsComponentInstallerPolicy&) = delete;
FirstPartySetsComponentInstallerPolicy operator=(
const FirstPartySetsComponentInstallerPolicy&) = delete;
void OnRegistrationComplete();
// Resets static state. Should only be used to clear state during testing.
static void ResetForTesting();
// Seeds a component at `install_dir` with the given `contents`. Only to be
// used in testing.
static void WriteComponentForTesting(base::Version version,
const base::FilePath& install_dir,
std::string_view contents);
static base::FilePath GetInstalledPathForTesting(const base::FilePath& base) {
return GetInstalledPath(base);
}
void ComponentReadyForTesting(const base::Version& version,
const base::FilePath& install_dir,
base::Value::Dict manifest) {
ComponentReady(version, install_dir, std::move(manifest));
}
update_client::InstallerAttributes GetInstallerAttributesForTesting() const {
return GetInstallerAttributes();
}
// Returns the component's SHA2 hash as raw bytes.
static void GetPublicKeyHash(std::vector<uint8_t>* hash);
private:
// The following methods override ComponentInstallerPolicy.
bool SupportsGroupPolicyEnabledComponentUpdates() const override;
bool RequiresNetworkEncryption() const override;
update_client::CrxInstaller::Result OnCustomInstall(
const base::Value::Dict& manifest,
const base::FilePath& install_dir) override;
void OnCustomUninstall() override;
bool VerifyInstallation(const base::Value::Dict& manifest,
const base::FilePath& install_dir) const override;
// After the first call, ComponentReady will be no-op for new versions
// delivered from Component Updater, i.e. new components will be installed
// (kept on-disk) but not propagated to the NetworkService until next
// browser startup.
void ComponentReady(const base::Version& version,
const base::FilePath& install_dir,
base::Value::Dict manifest) override;
base::FilePath GetRelativeInstallDir() const override;
void GetHash(std::vector<uint8_t>* hash) const override;
std::string GetName() const override;
update_client::InstallerAttributes GetInstallerAttributes() const override;
static base::FilePath GetInstalledPath(const base::FilePath& base);
// We use a OnceCallback to ensure we only pass along the sets file once
// during Chromium's lifetime.
SetsReadyOnceCallback on_sets_ready_;
base::TaskPriority priority_;
};
} // namespace component_updater
#endif // COMPONENTS_COMPONENT_UPDATER_INSTALLER_POLICIES_FIRST_PARTY_SETS_COMPONENT_INSTALLER_POLICY_H_
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