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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/browser/ash/file_system_provider/service_worker_lifetime_manager.h"
#include <tuple>
#include <utility>
#include "components/keyed_service/content/browser_context_dependency_manager.h"
#include "extensions/browser/process_manager.h"
#include "extensions/browser/process_manager_factory.h"
#include "third_party/blink/public/mojom/service_worker/service_worker_database.mojom.h"
namespace ash::file_system_provider {
bool RequestKey::operator<(const RequestKey& other) const {
return std::tie(extension_id, file_system_id, request_id) <
std::tie(other.extension_id, other.file_system_id, other.request_id);
}
ServiceWorkerLifetimeManager::ServiceWorkerLifetimeManager(
content::BrowserContext* context)
// Context can be null in tests.
: process_manager_(context ? extensions::ProcessManager::Get(context)
: nullptr) {}
ServiceWorkerLifetimeManager::~ServiceWorkerLifetimeManager() = default;
ServiceWorkerLifetimeManager* ServiceWorkerLifetimeManager::Get(
content::BrowserContext* context) {
return ServiceWorkerLifetimeManagerFactory::GetForBrowserContext(context);
}
void ServiceWorkerLifetimeManager::StartRequest(const RequestKey& key) {
DCHECK(!base::Contains(requests_, key));
requests_[key] = {};
}
void ServiceWorkerLifetimeManager::FinishRequest(
const RequestKey& request_key) {
auto it = requests_.find(request_key);
if (it == requests_.end()) {
return;
}
std::set<KeepaliveKey> keepalive_keys = std::move(it->second);
requests_.erase(it);
for (const KeepaliveKey& keepalive_key : keepalive_keys) {
DecrementKeepalive(keepalive_key);
}
}
void ServiceWorkerLifetimeManager::RequestDispatched(
const RequestKey& key,
const extensions::EventTarget& target) {
if (target.service_worker_version_id ==
blink::mojom::kInvalidServiceWorkerVersionId) {
return;
}
auto it = requests_.find(key);
if (it == requests_.end()) {
return;
}
std::set<KeepaliveKey>& keepalive_keys = it->second;
extensions::WorkerId worker_id{
target.extension_id,
target.render_process_id,
target.service_worker_version_id,
target.worker_thread_id,
};
std::string uuid = IncrementKeepalive(worker_id);
keepalive_keys.insert(KeepaliveKey{worker_id, uuid});
}
void ServiceWorkerLifetimeManager::Shutdown() {
for (const auto& [_, keys] : requests_) {
for (const KeepaliveKey& key : keys) {
DecrementKeepalive(key);
}
}
}
extensions::Event::DidDispatchCallback
ServiceWorkerLifetimeManager::CreateDispatchCallbackForRequest(
const RequestKey& request_key) {
return base::BindRepeating(&ServiceWorkerLifetimeManager::RequestDispatched,
weak_ptr_factory_.GetWeakPtr(), request_key);
}
bool ServiceWorkerLifetimeManager::KeepaliveKey::operator<(
const KeepaliveKey& other) const {
return std::tie(worker_id, request_uuid) <
std::tie(other.worker_id, other.request_uuid);
}
std::string ServiceWorkerLifetimeManager::IncrementKeepalive(
const extensions::WorkerId& worker_id) {
return process_manager_
->IncrementServiceWorkerKeepaliveCount(
worker_id,
content::ServiceWorkerExternalRequestTimeoutType::kDoesNotTimeout,
extensions::Activity::Type::EVENT, /*extra_data=*/"")
.AsLowercaseString();
}
void ServiceWorkerLifetimeManager::DecrementKeepalive(const KeepaliveKey& key) {
base::Uuid uuid = base::Uuid::ParseLowercase(key.request_uuid);
process_manager_->DecrementServiceWorkerKeepaliveCount(
key.worker_id, uuid, extensions::Activity::Type::EVENT,
/*extra_data=*/"");
}
// static
ServiceWorkerLifetimeManager*
ServiceWorkerLifetimeManagerFactory::GetForBrowserContext(
content::BrowserContext* context) {
return static_cast<ServiceWorkerLifetimeManager*>(
GetInstance()->GetServiceForBrowserContext(context, true));
}
// static
ServiceWorkerLifetimeManagerFactory*
ServiceWorkerLifetimeManagerFactory::GetInstance() {
return base::Singleton<ServiceWorkerLifetimeManagerFactory>::get();
}
ServiceWorkerLifetimeManagerFactory::ServiceWorkerLifetimeManagerFactory()
: ProfileKeyedServiceFactory(
"ServiceWorkerLifetimeManagerFactory",
ProfileSelections::Builder()
.WithRegular(ProfileSelection::kOriginalOnly)
.WithGuest(ProfileSelection::kOriginalOnly)
// TODO(crbug.com/41488885): Check if this service is needed for
// Ash Internals.
.WithAshInternals(ProfileSelection::kOriginalOnly)
.Build()) {
DependsOn(extensions::ProcessManagerFactory::GetInstance());
}
ServiceWorkerLifetimeManagerFactory::~ServiceWorkerLifetimeManagerFactory() =
default;
std::unique_ptr<KeyedService>
ServiceWorkerLifetimeManagerFactory::BuildServiceInstanceForBrowserContext(
content::BrowserContext* context) const {
return std::make_unique<ServiceWorkerLifetimeManager>(context);
}
} // namespace ash::file_system_provider
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