| // Copyright 2016 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 "components/os_crypt/key_storage_linux.h" |
| |
| #include "base/environment.h" |
| #include "base/lazy_instance.h" |
| #include "base/logging.h" |
| #include "base/nix/xdg_util.h" |
| #include "components/os_crypt/key_storage_util_linux.h" |
| |
| #if defined(USE_LIBSECRET) |
| #include "components/os_crypt/key_storage_libsecret.h" |
| #endif |
| |
| #if defined(USE_KWALLET) |
| #include "components/os_crypt/key_storage_kwallet.h" |
| #endif |
| |
| #if defined(OFFICIAL_BUILD) |
| const char KeyStorageLinux::kFolderName[] = "Chrome Keys"; |
| const char KeyStorageLinux::kKey[] = "Chrome Safe Storage"; |
| #else |
| const char KeyStorageLinux::kFolderName[] = "Chromium Keys"; |
| const char KeyStorageLinux::kKey[] = "Chromium Safe Storage"; |
| #endif |
| |
| namespace { |
| |
| // Parameters to OSCrypt, which are set before the first call to OSCrypt, are |
| // stored here. |
| struct Configuration { |
| std::string store; |
| std::string product_name; |
| scoped_refptr<base::SingleThreadTaskRunner> main_thread_runner; |
| }; |
| |
| base::LazyInstance<Configuration> g_config = LAZY_INSTANCE_INITIALIZER; |
| |
| } // namespace |
| |
| // static |
| void KeyStorageLinux::SetStore(const std::string& store_type) { |
| g_config.Get().store = store_type; |
| VLOG(1) << "OSCrypt store set to " << store_type; |
| } |
| |
| // static |
| void KeyStorageLinux::SetProductName(const std::string& product_name) { |
| g_config.Get().product_name = product_name; |
| } |
| |
| // static |
| void KeyStorageLinux::SetMainThreadRunner( |
| scoped_refptr<base::SingleThreadTaskRunner> main_thread_runner) { |
| g_config.Get().main_thread_runner = main_thread_runner; |
| } |
| |
| // static |
| std::unique_ptr<KeyStorageLinux> KeyStorageLinux::CreateService() { |
| // Select a backend. |
| std::unique_ptr<base::Environment> env(base::Environment::Create()); |
| base::nix::DesktopEnvironment desktop_env = |
| base::nix::GetDesktopEnvironment(env.get()); |
| os_crypt::SelectedLinuxBackend selected_backend = |
| os_crypt::SelectBackend(g_config.Get().store, desktop_env); |
| |
| // Try initializing the selected backend. |
| std::unique_ptr<KeyStorageLinux> key_storage; |
| if (selected_backend == os_crypt::SelectedLinuxBackend::GNOME_ANY || |
| selected_backend == os_crypt::SelectedLinuxBackend::GNOME_LIBSECRET) { |
| #if defined(USE_LIBSECRET) |
| key_storage.reset(new KeyStorageLibsecret()); |
| if (key_storage->Init()) { |
| VLOG(1) << "OSCrypt using Libsecret as backend."; |
| return key_storage; |
| } |
| #endif |
| } else if (selected_backend == os_crypt::SelectedLinuxBackend::KWALLET || |
| selected_backend == os_crypt::SelectedLinuxBackend::KWALLET5) { |
| #if defined(USE_KWALLET) |
| DCHECK(!g_config.Get().product_name.empty()); |
| base::nix::DesktopEnvironment used_desktop_env = |
| selected_backend == os_crypt::SelectedLinuxBackend::KWALLET |
| ? base::nix::DESKTOP_ENVIRONMENT_KDE4 |
| : base::nix::DESKTOP_ENVIRONMENT_KDE5; |
| key_storage.reset( |
| new KeyStorageKWallet(used_desktop_env, g_config.Get().product_name)); |
| if (key_storage->Init()) { |
| VLOG(1) << "OSCrypt using KWallet as backend."; |
| return key_storage; |
| } |
| #endif |
| } |
| |
| // The appropriate store was not available. |
| VLOG(1) << "OSCrypt could not initialize a backend."; |
| return nullptr; |
| } |