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- // 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/component_updater/installer_policies/origin_trials_component_installer.h"
- #include <iterator>
- #include <utility>
- #include <vector>
- #include "base/bind.h"
- #include "base/callback.h"
- #include "base/command_line.h"
- #include "base/files/file_path.h"
- #include "base/memory/ref_counted.h"
- #include "base/path_service.h"
- #include "base/values.h"
- #include "components/component_updater/component_updater_paths.h"
- // The client-side configuration for the origin trial framework can be
- // overridden by an installed component named 'OriginTrials' (extension id
- // llkgjffcdpffmhiakmfcdcblohccpfmo. This component currently consists of just a
- // manifest.json file, which can contain a custom key named 'origin-trials'. The
- // value of this key is a dictionary:
- //
- // {
- // "public-key": "<base64-encoding of replacement public key>",
- // "disabled-features": [<list of features to disable>],
- // "disabled-tokens":
- // {
- // "signatures": [<list of token signatures to disable, base64-encoded>]
- // }
- // }
- //
- // If the component is not present in the user data directory, the default
- // configuration will be used.
- namespace component_updater {
- namespace {
- static const char kManifestOriginTrialsKey[] = "origin-trials";
- // Extension id is llkgjffcdpffmhiakmfcdcblohccpfmo
- const uint8_t kOriginTrialSha2Hash[] = {
- 0xbb, 0xa6, 0x95, 0x52, 0x3f, 0x55, 0xc7, 0x80, 0xac, 0x52, 0x32,
- 0x1b, 0xe7, 0x22, 0xf5, 0xce, 0x6a, 0xfd, 0x9c, 0x9e, 0xa9, 0x2a,
- 0x0b, 0x50, 0x60, 0x2b, 0x7f, 0x6c, 0x64, 0x80, 0x09, 0x04};
- } // namespace
- // static
- void OriginTrialsComponentInstallerPolicy::GetComponentHash(
- std::vector<uint8_t>* hash) {
- if (!hash)
- return;
- hash->assign(std::begin(kOriginTrialSha2Hash),
- std::end(kOriginTrialSha2Hash));
- }
- void OriginTrialsComponentInstallerPolicy::GetHash(
- std::vector<uint8_t>* hash) const {
- GetComponentHash(hash);
- }
- bool OriginTrialsComponentInstallerPolicy::VerifyInstallation(
- const base::Value& manifest,
- const base::FilePath& install_dir) const {
- // Test if the "origin-trials" key is present in the manifest.
- return !!manifest.FindKey(kManifestOriginTrialsKey);
- }
- bool OriginTrialsComponentInstallerPolicy::
- SupportsGroupPolicyEnabledComponentUpdates() const {
- return true;
- }
- bool OriginTrialsComponentInstallerPolicy::RequiresNetworkEncryption() const {
- return false;
- }
- update_client::CrxInstaller::Result
- OriginTrialsComponentInstallerPolicy::OnCustomInstall(
- const base::Value& manifest,
- const base::FilePath& install_dir) {
- return update_client::CrxInstaller::Result(0);
- }
- void OriginTrialsComponentInstallerPolicy::OnCustomUninstall() {}
- void OriginTrialsComponentInstallerPolicy::ComponentReady(
- const base::Version& version,
- const base::FilePath& install_dir,
- base::Value manifest) {}
- base::FilePath OriginTrialsComponentInstallerPolicy::GetRelativeInstallDir()
- const {
- return base::FilePath(FILE_PATH_LITERAL("OriginTrials"));
- }
- std::string OriginTrialsComponentInstallerPolicy::GetName() const {
- return "Origin Trials";
- }
- update_client::InstallerAttributes
- OriginTrialsComponentInstallerPolicy::GetInstallerAttributes() const {
- return update_client::InstallerAttributes();
- }
- } // namespace component_updater
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