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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/background_fetch/storage/delete_registration_task.h"
#include <utility>
#include "base/barrier_closure.h"
#include "base/functional/bind.h"
#include "base/trace_event/trace_event.h"
#include "content/browser/background_fetch/background_fetch.pb.h"
#include "content/browser/background_fetch/background_fetch_data_manager.h"
#include "content/browser/background_fetch/storage/database_helpers.h"
#include "content/browser/service_worker/service_worker_context_wrapper.h"
#include "third_party/blink/public/common/cache_storage/cache_storage_utils.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
namespace content {
namespace background_fetch {
namespace {
#if DCHECK_IS_ON()
// Checks that the |ActiveRegistrationUniqueIdKey| either does not exist, or is
// associated with a different |unique_id| than the given one which should have
// been already marked for deletion.
void DCheckRegistrationNotActive(const std::string& unique_id,
const std::vector<std::string>& data,
blink::ServiceWorkerStatusCode status) {
switch (ToDatabaseStatus(status)) {
case DatabaseStatus::kOk:
DCHECK_EQ(1u, data.size());
DCHECK_NE(unique_id, data[0])
<< "Must call MarkRegistrationForDeletion before DeleteRegistration";
return;
case DatabaseStatus::kFailed:
case DatabaseStatus::kNotFound:
return;
}
}
#endif // DCHECK_IS_ON()
} // namespace
DeleteRegistrationTask::DeleteRegistrationTask(
DatabaseTaskHost* host,
int64_t service_worker_registration_id,
const blink::StorageKey& storage_key,
const std::string& unique_id,
HandleBackgroundFetchErrorCallback callback)
: DatabaseTask(host),
service_worker_registration_id_(service_worker_registration_id),
storage_key_(storage_key),
unique_id_(unique_id),
callback_(std::move(callback)) {}
DeleteRegistrationTask::~DeleteRegistrationTask() = default;
void DeleteRegistrationTask::Start() {
int64_t trace_id = blink::cache_storage::CreateTraceId();
TRACE_EVENT_WITH_FLOW0("CacheStorage", "DeleteRegistrationTask::Start",
TRACE_ID_GLOBAL(trace_id), TRACE_EVENT_FLAG_FLOW_OUT);
base::RepeatingClosure barrier_closure = base::BarrierClosure(
2u, base::BindOnce(&DeleteRegistrationTask::FinishWithError,
weak_factory_.GetWeakPtr(),
blink::mojom::BackgroundFetchError::NONE));
#if DCHECK_IS_ON()
// Get the registration |developer_id| to check it was deactivated.
service_worker_context()->GetRegistrationUserData(
service_worker_registration_id_, {RegistrationKey(unique_id_)},
base::BindOnce(&DeleteRegistrationTask::DidGetRegistration,
weak_factory_.GetWeakPtr(), barrier_closure));
#else
DidGetRegistration(barrier_closure, {}, blink::ServiceWorkerStatusCode::kOk);
#endif // DCHECK_IS_ON()
DeleteCache(storage_key_, unique_id_, trace_id,
base::BindOnce(&DeleteRegistrationTask::DidDeleteCache,
weak_factory_.GetWeakPtr(),
std::move(barrier_closure), trace_id));
}
void DeleteRegistrationTask::DidGetRegistration(
base::OnceClosure done_closure,
const std::vector<std::string>& data,
blink::ServiceWorkerStatusCode status) {
#if DCHECK_IS_ON()
if (ToDatabaseStatus(status) == DatabaseStatus::kOk) {
DCHECK_EQ(1u, data.size());
proto::BackgroundFetchMetadata metadata_proto;
if (metadata_proto.ParseFromString(data[0]) &&
metadata_proto.registration().has_developer_id()) {
service_worker_context()->GetRegistrationUserData(
service_worker_registration_id_,
{ActiveRegistrationUniqueIdKey(
metadata_proto.registration().developer_id())},
base::BindOnce(&DCheckRegistrationNotActive, unique_id_));
} else {
// Service worker database has been corrupted. Abandon all fetches.
SetStorageError(BackgroundFetchStorageError::kServiceWorkerStorageError);
AbandonFetches(service_worker_registration_id_);
std::move(done_closure).Run();
return;
}
}
#endif // DCHECK_IS_ON()
std::vector<std::string> deletion_key_prefixes{
RegistrationKey(unique_id_), UIOptionsKey(unique_id_),
PendingRequestKeyPrefix(unique_id_), ActiveRequestKeyPrefix(unique_id_),
CompletedRequestKeyPrefix(unique_id_), StorageVersionKey(unique_id_)};
service_worker_context()->ClearRegistrationUserDataByKeyPrefixes(
service_worker_registration_id_, std::move(deletion_key_prefixes),
base::BindOnce(&DeleteRegistrationTask::DidDeleteRegistration,
weak_factory_.GetWeakPtr(), std::move(done_closure)));
}
void DeleteRegistrationTask::DidDeleteRegistration(
base::OnceClosure done_closure,
blink::ServiceWorkerStatusCode status) {
switch (ToDatabaseStatus(status)) {
case DatabaseStatus::kOk:
case DatabaseStatus::kNotFound:
break;
case DatabaseStatus::kFailed:
SetStorageError(BackgroundFetchStorageError::kServiceWorkerStorageError);
break;
}
std::move(done_closure).Run();
}
void DeleteRegistrationTask::DidDeleteCache(
base::OnceClosure done_closure,
int64_t trace_id,
blink::mojom::CacheStorageError error) {
TRACE_EVENT_WITH_FLOW0("CacheStorage",
"DeleteRegistrationTask::DidDeleteCache",
TRACE_ID_GLOBAL(trace_id), TRACE_EVENT_FLAG_FLOW_IN);
if (error != blink::mojom::CacheStorageError::kSuccess &&
error != blink::mojom::CacheStorageError::kErrorNotFound) {
SetStorageError(BackgroundFetchStorageError::kCacheStorageError);
}
std::move(done_closure).Run();
}
void DeleteRegistrationTask::FinishWithError(
blink::mojom::BackgroundFetchError error) {
if (HasStorageError())
error = blink::mojom::BackgroundFetchError::STORAGE_ERROR;
std::move(callback_).Run(error);
Finished(); // Destroys |this|.
}
} // namespace background_fetch
} // namespace content
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