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// Copyright 2019 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/get_request_blob_task.h"
#include "base/functional/bind.h"
#include "base/trace_event/trace_event.h"
#include "content/browser/background_fetch/background_fetch_request_match_params.h"
#include "content/browser/background_fetch/storage/database_helpers.h"
#include "content/common/background_fetch/background_fetch_types.h"
#include "third_party/blink/public/common/cache_storage/cache_storage_utils.h"
namespace content {
namespace background_fetch {
GetRequestBlobTask::GetRequestBlobTask(
DatabaseTaskHost* host,
const BackgroundFetchRegistrationId& registration_id,
const scoped_refptr<BackgroundFetchRequestInfo>& request_info,
GetRequestBlobCallback callback)
: DatabaseTask(host),
registration_id_(registration_id),
request_info_(request_info),
callback_(std::move(callback)) {}
GetRequestBlobTask::~GetRequestBlobTask() = default;
void GetRequestBlobTask::Start() {
int64_t trace_id = blink::cache_storage::CreateTraceId();
TRACE_EVENT_WITH_FLOW0("CacheStorage", "GetRequestBlobTask::Start",
TRACE_ID_GLOBAL(trace_id), TRACE_EVENT_FLAG_FLOW_OUT);
OpenCache(registration_id_, trace_id,
base::BindOnce(&GetRequestBlobTask::DidOpenCache,
weak_factory_.GetWeakPtr(), trace_id));
}
void GetRequestBlobTask::DidOpenCache(int64_t trace_id,
blink::mojom::CacheStorageError error) {
TRACE_EVENT_WITH_FLOW0("CacheStorage", "GetRequestBlobTask::DidOpenCache",
TRACE_ID_GLOBAL(trace_id),
TRACE_EVENT_FLAG_FLOW_IN | TRACE_EVENT_FLAG_FLOW_OUT);
if (error != blink::mojom::CacheStorageError::kSuccess) {
SetStorageErrorAndFinish(BackgroundFetchStorageError::kCacheStorageError);
return;
}
auto request =
BackgroundFetchSettledFetch::CloneRequest(request_info_->fetch_request());
request->url = MakeCacheUrlUnique(request->url, registration_id_.unique_id(),
request_info_->request_index());
auto match_options = blink::mojom::CacheQueryOptions::New();
cache_storage_cache_remote()->Keys(
std::move(request), std::move(match_options), trace_id,
base::BindOnce(&GetRequestBlobTask::DidMatchRequest,
weak_factory_.GetWeakPtr(), trace_id));
}
void GetRequestBlobTask::DidMatchRequest(
int64_t trace_id,
blink::mojom::CacheKeysResultPtr result) {
TRACE_EVENT_WITH_FLOW0("CacheStorage", "GetRequestBlobTask::DidMatchRequest",
TRACE_ID_GLOBAL(trace_id), TRACE_EVENT_FLAG_FLOW_IN);
if (result->is_status() || result->get_keys().size() == 0) {
SetStorageErrorAndFinish(BackgroundFetchStorageError::kCacheStorageError);
return;
}
auto& keys = result->get_keys();
DCHECK_EQ(keys.size(), 1u);
DCHECK(keys[0]->blob);
blob_ = std::move(keys[0]->blob);
FinishWithError(blink::mojom::BackgroundFetchError::NONE);
}
void GetRequestBlobTask::FinishWithError(
blink::mojom::BackgroundFetchError error) {
std::move(callback_).Run(error, std::move(blob_));
Finished();
}
} // namespace background_fetch
} // namespace content
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