| // Copyright (c) 2017 The Chromium Authors. All rights reserved. |
| // 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/recovery_improved_component_installer.h" |
| |
| #include <iterator> |
| #include <utility> |
| |
| #include "base/callback.h" |
| #include "base/memory/ref_counted.h" |
| #include "build/build_config.h" |
| #include "chrome/browser/component_updater/component_updater_utils.h" |
| |
| // This component is behind a Finch experiment. To enable the registration of |
| // the component, run Chrome with --enable-features=ImprovedRecoveryComponent. |
| namespace component_updater { |
| |
| // The SHA256 of the SubjectPublicKeyInfo used to sign the component CRX. |
| // The component id is: ihnlcenocehgdaegdmhbidjhnhdchfmm |
| constexpr uint8_t kRecoveryImprovedPublicKeySHA256[32] = { |
| 0x87, 0xdb, 0x24, 0xde, 0x24, 0x76, 0x30, 0x46, 0x3c, 0x71, 0x83, |
| 0x97, 0xd7, 0x32, 0x75, 0xcc, 0xd5, 0x7f, 0xec, 0x09, 0x60, 0x6d, |
| 0x20, 0xc3, 0x81, 0xd7, 0xce, 0x7b, 0x10, 0x15, 0x44, 0xd1}; |
| |
| RecoveryImprovedInstallerPolicy::RecoveryImprovedInstallerPolicy( |
| PrefService* prefs) |
| : prefs_(prefs) {} |
| |
| RecoveryImprovedInstallerPolicy::~RecoveryImprovedInstallerPolicy() {} |
| |
| bool RecoveryImprovedInstallerPolicy:: |
| SupportsGroupPolicyEnabledComponentUpdates() const { |
| return true; |
| } |
| |
| bool RecoveryImprovedInstallerPolicy::RequiresNetworkEncryption() const { |
| return false; |
| } |
| |
| update_client::CrxInstaller::Result |
| RecoveryImprovedInstallerPolicy::OnCustomInstall( |
| const base::DictionaryValue& manifest, |
| const base::FilePath& install_dir) { |
| return update_client::CrxInstaller::Result(0); |
| } |
| |
| void RecoveryImprovedInstallerPolicy::OnCustomUninstall() {} |
| |
| void RecoveryImprovedInstallerPolicy::ComponentReady( |
| const base::Version& version, |
| const base::FilePath& install_dir, |
| std::unique_ptr<base::DictionaryValue> manifest) { |
| DVLOG(1) << "RecoveryImproved component is ready."; |
| } |
| |
| // Called during startup and installation before ComponentReady(). |
| bool RecoveryImprovedInstallerPolicy::VerifyInstallation( |
| const base::DictionaryValue& manifest, |
| const base::FilePath& install_dir) const { |
| return true; |
| } |
| |
| base::FilePath RecoveryImprovedInstallerPolicy::GetRelativeInstallDir() const { |
| return base::FilePath(FILE_PATH_LITERAL("RecoveryImproved")); |
| } |
| |
| void RecoveryImprovedInstallerPolicy::GetHash( |
| std::vector<uint8_t>* hash) const { |
| hash->assign(std::begin(kRecoveryImprovedPublicKeySHA256), |
| std::end(kRecoveryImprovedPublicKeySHA256)); |
| } |
| |
| std::string RecoveryImprovedInstallerPolicy::GetName() const { |
| return "Chrome Improved Recovery"; |
| } |
| |
| update_client::InstallerAttributes |
| RecoveryImprovedInstallerPolicy::GetInstallerAttributes() const { |
| return update_client::InstallerAttributes(); |
| } |
| |
| std::vector<std::string> RecoveryImprovedInstallerPolicy::GetMimeTypes() const { |
| return std::vector<std::string>(); |
| } |
| |
| void RegisterRecoveryImprovedComponent(ComponentUpdateService* cus, |
| PrefService* prefs) { |
| #if defined(GOOGLE_CHROME_BUILD) |
| #if defined(OS_WIN) || defined(OS_MACOSX) |
| // The improved recovery components requires elevation in the case where |
| // Chrome is installed per-machine. The elevation mechanism is not implemented |
| // yet; therefore, the component is not registered in this case. |
| if (!IsPerUserInstall()) |
| return; |
| |
| DVLOG(1) << "Registering RecoveryImproved component."; |
| |
| // |cus| takes ownership of |installer| through the CrxComponent instance. |
| auto installer = base::MakeRefCounted<ComponentInstaller>( |
| std::make_unique<RecoveryImprovedInstallerPolicy>(prefs)); |
| installer->Register(cus, base::OnceClosure()); |
| #endif |
| #endif |
| } |
| |
| void RegisterPrefsForRecoveryImprovedComponent(PrefRegistrySimple* registry) {} |
| |
| } // namespace component_updater |