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// Copyright 2022 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/remove_uninstalled_apps_task.h"
#include <optional>
#include <string>
#include <vector>
#include "base/barrier_closure.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/functional/callback.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/configurator.h"
#include "chrome/updater/persisted_data.h"
#include "chrome/updater/prefs.h"
#include "chrome/updater/update_service_impl.h"
#include "chrome/updater/util/util.h"
#include "components/prefs/pref_service.h"
#include "components/update_client/protocol_definition.h"
#include "components/update_client/update_client.h"
namespace updater {
namespace {
struct AppInfo {
AppInfo(const std::string& app_id,
const base::Version& app_version,
const base::FilePath& ecp)
: app_id_(app_id), app_version_(app_version), ecp_(ecp) {}
std::string app_id_;
base::Version app_version_;
base::FilePath ecp_;
};
struct PingInfo {
PingInfo(const std::string& app_id,
const base::Version& app_version,
int ping_reason)
: app_id_(app_id), app_version_(app_version), ping_reason_(ping_reason) {}
std::string app_id_;
base::Version app_version_;
int ping_reason_;
};
std::vector<AppInfo> GetRegisteredApps(
scoped_refptr<updater::PersistedData> persisted_data) {
std::vector<AppInfo> apps;
for (const std::string& app_id : persisted_data->GetAppIds()) {
if (!base::EqualsCaseInsensitiveASCII(app_id, kUpdaterAppId)) {
apps.emplace_back(app_id, persisted_data->GetProductVersion(app_id),
persisted_data->GetExistenceCheckerPath(app_id));
}
}
return apps;
}
std::vector<PingInfo> GetAppIDsToRemove(
const std::vector<AppInfo>& apps,
base::RepeatingCallback<std::optional<int>(const std::string&,
const base::FilePath&)>
predicate) {
std::vector<PingInfo> app_ids_to_remove;
for (const auto& app : apps) {
std::optional<int> remove_reason = predicate.Run(app.app_id_, app.ecp_);
if (remove_reason) {
app_ids_to_remove.emplace_back(app.app_id_, app.app_version_,
*remove_reason);
}
}
return app_ids_to_remove;
}
void UninstallPingSent(base::RepeatingClosure callback,
update_client::Error error) {
if (error != update_client::Error::NONE) {
VLOG(0) << __func__ << ": Error: " << error;
}
callback.Run();
}
void RemoveAppIDsAndSendUninstallPings(
base::OnceClosure callback,
scoped_refptr<PersistedData> persisted_data,
scoped_refptr<update_client::UpdateClient> update_client,
const std::vector<PingInfo>& app_ids_to_remove) {
if (app_ids_to_remove.empty()) {
std::move(callback).Run();
return;
}
// If the terms of service have not been accepted, don't ping.
if (persisted_data->GetEulaRequired()) {
for (const PingInfo& app_id_to_remove : app_ids_to_remove) {
const std::string& app_id = app_id_to_remove.app_id_;
if (!persisted_data->RemoveApp(app_id)) {
VLOG(0) << "Could not remove registration of app " << app_id;
}
}
std::move(callback).Run();
return;
}
const auto barrier_closure =
base::BarrierClosure(app_ids_to_remove.size(), std::move(callback));
for (const PingInfo& app_id_to_remove : app_ids_to_remove) {
const std::string& app_id = app_id_to_remove.app_id_;
const int ping_reason = app_id_to_remove.ping_reason_;
const base::Version& app_version = app_id_to_remove.app_version_;
const std::string& brand = persisted_data->GetBrandCode(app_id);
const std::string& ap = persisted_data->GetAP(app_id);
if (persisted_data->RemoveApp(app_id)) {
VLOG(1) << "Uninstall ping for app id: " << app_id
<< ". Ping reason: " << ping_reason;
update_client::CrxComponent crx_component;
crx_component.ap = ap;
crx_component.app_id = app_id;
crx_component.brand = brand;
crx_component.version = app_version;
crx_component.requires_network_encryption = false;
update_client->SendPing(
crx_component,
{.event_type = update_client::protocol_request::kEventUninstall,
.result = update_client::protocol_request::kEventResultSuccess,
.error_code = 0,
.extra_code1 = ping_reason},
base::BindOnce(&UninstallPingSent, barrier_closure));
} else {
VLOG(0) << "Could not remove registration of app " << app_id;
}
}
}
} // namespace
RemoveUninstalledAppsTask::RemoveUninstalledAppsTask(
scoped_refptr<Configurator> config,
UpdaterScope scope)
: config_(config),
update_client_(update_client::UpdateClientFactory(config_)),
scope_(scope) {}
RemoveUninstalledAppsTask::~RemoveUninstalledAppsTask() = default;
void RemoveUninstalledAppsTask::Run(base::OnceClosure callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE, {base::MayBlock()},
base::BindOnce(
GetAppIDsToRemove,
GetRegisteredApps(config_->GetUpdaterPersistedData()),
base::BindRepeating(&RemoveUninstalledAppsTask::GetUnregisterReason,
this)),
base::BindOnce(&RemoveAppIDsAndSendUninstallPings, std::move(callback),
config_->GetUpdaterPersistedData(), update_client_));
}
} // namespace updater
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