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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/updater/update_service_internal_impl_qualifying.h"
#include <string>
#include <utility>
#include <vector>
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/functional/callback_helpers.h"
#include "base/logging.h"
#include "base/memory/scoped_refptr.h"
#include "base/sequence_checker.h"
#include "base/strings/string_util.h"
#include "base/task/thread_pool.h"
#include "base/version.h"
#include "chrome/updater/branded_constants.h"
#include "chrome/updater/check_for_updates_task.h"
#include "chrome/updater/configurator.h"
#include "chrome/updater/persisted_data.h"
#include "chrome/updater/prefs.h"
#include "chrome/updater/registration_data.h"
#include "chrome/updater/update_service_impl.h"
#include "chrome/updater/update_service_internal.h"
#include "components/prefs/pref_service.h"
#include "components/update_client/crx_cache.h"
namespace updater {
namespace {
constexpr char kQualificationInitialVersion[] = "0.1";
constexpr char kQualificationUpdatesSuppressedVersion[] = "0.2";
class UpdateServiceInternalQualifyingImpl : public UpdateServiceInternal {
public:
UpdateServiceInternalQualifyingImpl(scoped_refptr<Configurator> config,
scoped_refptr<LocalPrefs> local_prefs)
: config_(config), local_prefs_(local_prefs) {}
// Overrides for updater::UpdateServiceInternal.
void Run(base::OnceClosure callback) override {
VLOG(1) << __func__ << " (Qualifying)";
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
Qualify(std::move(callback));
}
void Hello(base::OnceClosure callback) override {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
VLOG(1) << __func__ << " (Qualifying)";
std::move(callback).Run();
}
private:
~UpdateServiceInternalQualifyingImpl() override {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
}
void Qualify(base::OnceClosure callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (attempted_qualification_) {
std::move(callback).Run();
return;
}
attempted_qualification_ = true;
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE, {base::MayBlock(), base::WithBaseSyncPrimitives()},
base::BindOnce(&DoPlatformSpecificHealthChecks, GetUpdaterScope()),
base::BindOnce(
&UpdateServiceInternalQualifyingImpl::
PlatformSpecificHealthChecksDone,
this,
base::BindOnce(
&UpdateServiceInternalQualifyingImpl::QualificationDone, this,
std::move(callback))));
}
void PlatformSpecificHealthChecksDone(base::OnceCallback<void(bool)> callback,
bool success) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!success) {
VLOG(1) << "Platfom-specific qualification checks failed.";
std::move(callback).Run(false);
return;
}
RegisterQualificationApp(std::move(callback));
}
void RegisterQualificationApp(base::OnceCallback<void(bool)> callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
RegistrationRequest registration;
registration.app_id = kQualificationAppId;
// If the update check period is set to zero, the updater is pre-qualified
// by registering a higher version of the qualification app. This is because
// the qualification app update will not happen if the update check period
// is set to zero.
registration.version =
base::Version(config_->NextCheckDelay().is_zero()
? kQualificationUpdatesSuppressedVersion
: kQualificationInitialVersion);
base::MakeRefCounted<UpdateServiceImpl>(GetUpdaterScope(), config_)
->RegisterApp(registration,
base::BindOnce(&UpdateServiceInternalQualifyingImpl::
RegisterQualificationAppDone,
this, std::move(callback)));
}
void RegisterQualificationAppDone(base::OnceCallback<void(bool)> callback,
int result) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (result != kRegistrationSuccess) {
VLOG(1) << "Registration failed: " << result;
std::move(callback).Run(false);
return;
}
UpdateCheck(std::move(callback));
}
void UpdateCheck(base::OnceCallback<void(bool)> callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
// Create a `CheckForUpdatesTask` with the local prefs' config and perform
// an `Update` task for `kQualificationAppId`.
base::MakeRefCounted<CheckForUpdatesTask>(
config_, GetUpdaterScope(),
/*task_name=*/"Update(kQualificationAppId)",
base::BindOnce(
&UpdateServiceImpl::Update,
base::MakeRefCounted<UpdateServiceImpl>(GetUpdaterScope(), config_),
base::ToLowerASCII(kQualificationAppId), "",
UpdateService::Priority::kBackground,
UpdateService::PolicySameVersionUpdate::kNotAllowed,
/*language=*/"", base::DoNothing()))
->Run(base::BindOnce(
&UpdateServiceInternalQualifyingImpl::UpdateCheckDone, this,
std::move(callback)));
}
void UpdateCheckDone(base::OnceCallback<void(bool)> callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
const base::Version qualification_app_version =
config_->GetPersistedData()->GetProductVersion(kQualificationAppId);
VLOG(2) << "qualification_app_version: " << qualification_app_version;
std::move(callback).Run(qualification_app_version.CompareTo(base::Version(
kQualificationInitialVersion)) == 1);
}
void QualificationDone(base::OnceClosure callback, bool qualified) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
VLOG(1) << "Qualification complete, qualified = " << qualified;
local_prefs_->SetQualified(qualified);
local_prefs_->GetPrefService()->CommitPendingWrite();
if (qualified) {
config_->GetCrxCache()->RemoveAll(kQualificationAppId,
std::move(callback));
return;
}
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, std::move(callback));
}
scoped_refptr<Configurator> config_;
scoped_refptr<LocalPrefs> local_prefs_;
bool attempted_qualification_ = false;
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace
scoped_refptr<UpdateServiceInternal> MakeQualifyingUpdateServiceInternal(
scoped_refptr<Configurator> config,
scoped_refptr<LocalPrefs> local_prefs) {
return base::MakeRefCounted<UpdateServiceInternalQualifyingImpl>(config,
local_prefs);
}
} // namespace updater
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