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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SERVICES_NETWORK_DHCP_PAC_FILE_FETCHER_MOJO_H_
#define SERVICES_NETWORK_DHCP_PAC_FILE_FETCHER_MOJO_H_
#include <memory>
#include "base/component_export.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "net/base/completion_once_callback.h"
#include "net/proxy_resolution/dhcp_pac_file_fetcher.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "services/network/public/mojom/dhcp_wpad_url_client.mojom.h"
#include "url/gurl.h"
namespace net {
class URLRequestContext;
class NetLogWithSource;
class PacFileFetcher;
} // namespace net
namespace network {
// Implementation of DhcpPacFileFetcher that gets the URL of the PAC file from
// the default network over a mojo pipe. The default network points to a single
// PAC file URL, provided by Shill, as reported over DHCP.
// Currently only used on ChromeOS.
class COMPONENT_EXPORT(NETWORK_SERVICE) DhcpPacFileFetcherMojo
: public net::DhcpPacFileFetcher {
public:
DhcpPacFileFetcherMojo(net::URLRequestContext* url_request_context,
mojo::PendingRemote<network::mojom::DhcpWpadUrlClient>
dhcp_wpad_url_client);
DhcpPacFileFetcherMojo(const DhcpPacFileFetcherMojo&) = delete;
DhcpPacFileFetcherMojo& operator=(const DhcpPacFileFetcherMojo&) = delete;
~DhcpPacFileFetcherMojo() override;
// DhcpPacFileFetcher implementation
int Fetch(std::u16string* utf16_text,
net::CompletionOnceCallback callback,
const net::NetLogWithSource& net_log,
const net::NetworkTrafficAnnotationTag traffic_annotation) override;
void Cancel() override;
void OnShutdown() override;
const GURL& GetPacURL() const override;
std::string GetFetcherName() const override;
void SetPacFileFetcherForTesting(
std::unique_ptr<net::PacFileFetcher> pac_file_fetcher);
private:
void ContinueFetch(std::u16string* utf16_text,
const net::NetworkTrafficAnnotationTag traffic_annotation,
std::string pac_url);
void OnFetchCompleted(int result);
void OnPacUrlReceived(const std::string& url);
net::CompletionOnceCallback callback_;
std::u16string* utf16_text_;
GURL pac_url_;
net::MutableNetworkTrafficAnnotationTag traffic_annotation_;
std::unique_ptr<net::PacFileFetcher> pac_file_fetcher_;
mojo::Remote<network::mojom::DhcpWpadUrlClient> dhcp_wpad_url_client_;
base::WeakPtrFactory<DhcpPacFileFetcherMojo> weak_ptr_factory_{this};
};
} // namespace network
#endif // SERVICES_NETWORK_DHCP_PAC_FILE_FETCHER_MOJO_H_
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