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// Copyright 2016 The Chromium Authors
// 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/command_line.h"
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/functional/callback.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::Dict& manifest,
const base::FilePath& install_dir) const {
// Test if the "origin-trials" key is present in the manifest.
return manifest.contains(kManifestOriginTrialsKey);
}
bool OriginTrialsComponentInstallerPolicy::
SupportsGroupPolicyEnabledComponentUpdates() const {
return true;
}
bool OriginTrialsComponentInstallerPolicy::RequiresNetworkEncryption() const {
return false;
}
update_client::CrxInstaller::Result
OriginTrialsComponentInstallerPolicy::OnCustomInstall(
const base::Value::Dict& 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::Dict 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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