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// Copyright 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 "components/update_client/action_runner.h"
#include <iterator>
#include <utility>
#include "base/bind.h"
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/task_scheduler/post_task.h"
#include "build/build_config.h"
#include "components/update_client/component.h"
#include "components/update_client/configurator.h"
#include "components/update_client/task_traits.h"
#include "components/update_client/update_client.h"
#include "components/update_client/update_engine.h"
namespace update_client {
ActionRunner::ActionRunner(const Component& component)
: component_(component),
main_task_runner_(base::ThreadTaskRunnerHandle::Get()) {}
ActionRunner::~ActionRunner() {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
}
void ActionRunner::Run(Callback run_complete) {
DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
run_complete_ = std::move(run_complete);
base::CreateSequencedTaskRunnerWithTraits(kTaskTraits)
->PostTask(
FROM_HERE,
base::BindOnce(&ActionRunner::Unpack, base::Unretained(this),
component_.config()->CreateServiceManagerConnector()));
}
void ActionRunner::Unpack(
std::unique_ptr<service_manager::Connector> connector) {
const auto& installer = component_.crx_component().installer;
base::FilePath file_path;
installer->GetInstalledFile(component_.action_run(), &file_path);
// Contains the key hash of the CRX this object is allowed to run.
const auto key_hash = component_.config()->GetRunActionKeyHash();
auto unpacker = base::MakeRefCounted<ComponentUnpacker>(
key_hash, file_path, installer, std::move(connector));
unpacker->Unpack(
base::BindOnce(&ActionRunner::UnpackComplete, base::Unretained(this)));
}
void ActionRunner::UnpackComplete(const ComponentUnpacker::Result& result) {
if (result.error != UnpackerError::kNone) {
DCHECK(!base::DirectoryExists(result.unpack_path));
main_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(std::move(run_complete_), false,
static_cast<int>(result.error), result.extended_error));
return;
}
unpack_path_ = result.unpack_path;
base::SequencedTaskRunnerHandle::Get()->PostTask(
FROM_HERE,
base::BindOnce(&ActionRunner::RunCommand, base::Unretained(this),
MakeCommandLine(result.unpack_path)));
}
#if !defined(OS_WIN)
void ActionRunner::RunCommand(const base::CommandLine& cmdline) {
base::DeleteFile(unpack_path_, true);
main_task_runner_->PostTask(
FROM_HERE, base::BindOnce(std::move(run_complete_), false, -1, 0));
}
base::CommandLine ActionRunner::MakeCommandLine(
const base::FilePath& unpack_path) const {
return base::CommandLine(base::CommandLine::NO_PROGRAM);
}
#endif // OS_WIN
} // namespace update_client
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