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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef STORAGE_BROWSER_BLOB_BLOB_URL_LOADER_FACTORY_H_
#define STORAGE_BROWSER_BLOB_BLOB_URL_LOADER_FACTORY_H_
#include "base/component_export.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"
#include "third_party/blink/public/mojom/blob/blob.mojom.h"
#include "third_party/blink/public/mojom/blob/blob_url_store.mojom.h"
namespace storage {
class BlobUrlRegistry;
// URLLoaderFactory that can create loaders for exactly one url, loading the
// blob that was passed to its constructor. This factory keeps the blob alive.
// Self destroys when no more bindings exist.
class COMPONENT_EXPORT(STORAGE_BROWSER) BlobURLLoaderFactory
: public network::mojom::URLLoaderFactory {
public:
static void Create(
mojo::PendingRemote<blink::mojom::Blob> blob,
const GURL& blob_url,
mojo::PendingReceiver<network::mojom::URLLoaderFactory> receiver);
// Creates a factory for a BlobURLToken. The token is used to look up the blob
// and blob URL in the (browser side) BlobStorageRegistry, to ensure you can't
// use a blob URL to load the contents of an unrelated blob.
static void Create(
mojo::PendingRemote<blink::mojom::BlobURLToken> token,
base::WeakPtr<BlobUrlRegistry> url_registry,
mojo::PendingReceiver<network::mojom::URLLoaderFactory> receiver);
BlobURLLoaderFactory(const BlobURLLoaderFactory&) = delete;
BlobURLLoaderFactory& operator=(const BlobURLLoaderFactory&) = delete;
// URLLoaderFactory:
void CreateLoaderAndStart(
mojo::PendingReceiver<network::mojom::URLLoader> loader,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& request,
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
const net::MutableNetworkTrafficAnnotationTag& traffic_annotation)
override;
void Clone(mojo::PendingReceiver<network::mojom::URLLoaderFactory> receiver)
override;
private:
BlobURLLoaderFactory(
mojo::PendingRemote<blink::mojom::Blob> blob,
const GURL& blob_url,
mojo::PendingReceiver<network::mojom::URLLoaderFactory> receiver);
~BlobURLLoaderFactory() override;
void OnConnectionError();
mojo::Remote<blink::mojom::Blob> blob_;
GURL url_;
mojo::ReceiverSet<network::mojom::URLLoaderFactory> receivers_;
};
} // namespace storage
#endif // STORAGE_BROWSER_BLOB_BLOB_URL_LOADER_FACTORY_H_
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