translate_kit_component_installer.cc

// 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.

#include "chrome/browser/component_updater/translate_kit_component_installer.h"

#include <memory>
#include <string>
#include <utility>

#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/logging.h"
#include "base/values.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/services/on_device_translation/public/cpp/features.h"
#include "components/component_updater/component_updater_service.h"
#include "components/crx_file/id_util.h"
#include "components/update_client/update_client_errors.h"
#include "content/public/browser/browser_thread.h"
#include "crypto/sha2.h"

namespace component_updater {

namespace {

// The SHA256 of the SubjectPublicKeyInfo used to sign the component.
// The component id is: lbimbicckdokpoicboneldipejkhjgdg
constexpr uint8_t kTranslateKitPublicKeySHA256[32] = …;

static_assert …;

// The installation location of the entire TranslateKit component relative to
// the User Data directory.
constexpr base::FilePath::CharType
    kTranslateKitComponentInstallationRelativePath[] = …);

// The location of the libtranslatekit binary within the installation directory.
#if BUILDFLAG(IS_WIN)
constexpr base::FilePath::CharType kTranslateKitBinaryRelativePath[] =
    FILE_PATH_LITERAL("TranslateKitFiles/libtranslatekit.dll");
#else
constexpr base::FilePath::CharType kTranslateKitBinaryRelativePath[] = …);
#endif

// The manifest name of the TranslateKit component.
// This matches:
// - the manifest name in Automation.java from
//   go/newchromecomponent#server-side-setup.
// - the display name at http://omaharelease/2134318/settings.
constexpr char kTranslateKitManifestName[] = …;

// Returns the full path where the libtranslatekit binary will be installed.
//
// The installation path is under
//    <User Data
//    Dir>/TranslateKit/<version>/TranslateKitFiles/libtranslatekit.xx
// where <User Data Dir> can be determined by following the guide:
// https://chromium.googlesource.com/chromium/src.git/+/HEAD/docs/user_data_dir.md#current-location
base::FilePath GetInstalledPath(const base::FilePath& base) { … }

}  // namespace

TranslateKitComponentInstallerPolicy::TranslateKitComponentInstallerPolicy() =
    default;

TranslateKitComponentInstallerPolicy::~TranslateKitComponentInstallerPolicy() =
    default;

bool TranslateKitComponentInstallerPolicy::VerifyInstallation(
    const base::Value::Dict& manifest,
    const base::FilePath& install_dir) const { … }

bool TranslateKitComponentInstallerPolicy::
    SupportsGroupPolicyEnabledComponentUpdates() const { … }

bool TranslateKitComponentInstallerPolicy::RequiresNetworkEncryption() const { … }

update_client::CrxInstaller::Result
TranslateKitComponentInstallerPolicy::OnCustomInstall(
    const base::Value::Dict& manifest,
    const base::FilePath& install_dir) { … }

void TranslateKitComponentInstallerPolicy::OnCustomUninstall() { … }

void TranslateKitComponentInstallerPolicy::ComponentReady(
    const base::Version& version,
    const base::FilePath& install_dir,
    base::Value::Dict manifest) { … }

base::FilePath TranslateKitComponentInstallerPolicy::GetRelativeInstallDir()
    const { … }

void TranslateKitComponentInstallerPolicy::GetHash(
    std::vector<uint8_t>* hash) const { … }

std::string TranslateKitComponentInstallerPolicy::GetName() const { … }

update_client::InstallerAttributes
TranslateKitComponentInstallerPolicy::GetInstallerAttributes() const { … }

void RegisterTranslateKitComponent(ComponentUpdateService* cus) { … }

}  // namespace component_updater
chromium/chrome/browser/component_updater/translate_kit_component_installer.cc
