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url_pipe_loader.h
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88 lines (72 loc) · 3.3 KB
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// Copyright (c) 2019 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ELECTRON_SHELL_BROWSER_NET_URL_PIPE_LOADER_H_
#define ELECTRON_SHELL_BROWSER_NET_URL_PIPE_LOADER_H_
#include <memory>
#include <string>
#include <vector>
#include "base/values.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/system/data_pipe_producer.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/cpp/simple_url_loader.h"
#include "services/network/public/cpp/simple_url_loader_stream_consumer.h"
#include "services/network/public/mojom/url_loader.mojom.h"
namespace network {
class SharedURLLoaderFactory;
}
namespace electron {
// Read data from URL and pipe it to NetworkService.
//
// Different from creating a new loader for the URL directly, protocol handlers
// using this loader can work around CORS restrictions.
//
// This class manages its own lifetime and should delete itself when the
// connection is lost or finished.
class URLPipeLoader : public network::mojom::URLLoader,
public network::SimpleURLLoaderStreamConsumer {
public:
URLPipeLoader(scoped_refptr<network::SharedURLLoaderFactory> factory,
std::unique_ptr<network::ResourceRequest> request,
mojo::PendingReceiver<network::mojom::URLLoader> loader,
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
const net::NetworkTrafficAnnotationTag& annotation,
base::DictionaryValue upload_data);
// disable copy
URLPipeLoader(const URLPipeLoader&) = delete;
URLPipeLoader& operator=(const URLPipeLoader&) = delete;
private:
~URLPipeLoader() override;
void Start(scoped_refptr<network::SharedURLLoaderFactory> factory,
std::unique_ptr<network::ResourceRequest> request,
const net::NetworkTrafficAnnotationTag& annotation,
base::DictionaryValue upload_data);
void NotifyComplete(int result);
void OnResponseStarted(const GURL& final_url,
const network::mojom::URLResponseHead& response_head);
void OnWrite(base::OnceClosure resume, MojoResult result);
// SimpleURLLoaderStreamConsumer:
void OnDataReceived(base::StringPiece string_piece,
base::OnceClosure resume) override;
void OnComplete(bool success) override;
void OnRetry(base::OnceClosure start_retry) override;
// URLLoader:
void FollowRedirect(
const std::vector<std::string>& removed_headers,
const net::HttpRequestHeaders& modified_headers,
const net::HttpRequestHeaders& modified_cors_exempt_headers,
const absl::optional<GURL>& new_url) override {}
void SetPriority(net::RequestPriority priority,
int32_t intra_priority_value) override {}
void PauseReadingBodyFromNet() override {}
void ResumeReadingBodyFromNet() override {}
mojo::Receiver<network::mojom::URLLoader> url_loader_;
mojo::Remote<network::mojom::URLLoaderClient> client_;
std::unique_ptr<mojo::DataPipeProducer> producer_;
std::unique_ptr<network::SimpleURLLoader> loader_;
base::WeakPtrFactory<URLPipeLoader> weak_factory_{this};
};
} // namespace electron
#endif // ELECTRON_SHELL_BROWSER_NET_URL_PIPE_LOADER_H_