99 lines
		
	
	
	
		
			4.4 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			99 lines
		
	
	
	
		
			4.4 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright (c) 2018 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef SHELL_BROWSER_NET_SYSTEM_NETWORK_CONTEXT_MANAGER_H_
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#define SHELL_BROWSER_NET_SYSTEM_NETWORK_CONTEXT_MANAGER_H_
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#include "base/macros.h"
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#include "base/memory/ref_counted.h"
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#include "chrome/browser/net/proxy_config_monitor.h"
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#include "mojo/public/cpp/bindings/remote.h"
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#include "services/network/public/cpp/shared_url_loader_factory.h"
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#include "services/network/public/mojom/network_context.mojom.h"
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#include "services/network/public/mojom/network_service.mojom.h"
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#include "services/network/public/mojom/url_loader.mojom.h"
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#include "services/network/public/mojom/url_loader_factory.mojom.h"
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#include "third_party/abseil-cpp/absl/types/optional.h"
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namespace electron {
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network::mojom::HttpAuthDynamicParamsPtr CreateHttpAuthDynamicParams();
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}
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// Responsible for creating and managing access to the system NetworkContext.
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// Lives on the UI thread. The NetworkContext this owns is intended for requests
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// not associated with a session. It stores no data on disk, and has no HTTP
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// cache, but it does have ephemeral cookie and channel ID stores.
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//
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// This class is also responsible for configuring global NetworkService state.
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//
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// The "system" NetworkContext will either share a URLRequestContext with
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// IOThread's SystemURLRequestContext and be part of IOThread's NetworkService
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// (If the network service is disabled) or be an independent NetworkContext
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// using the actual network service.
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class SystemNetworkContextManager {
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 public:
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  ~SystemNetworkContextManager();
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  // Creates the global instance of SystemNetworkContextManager. If an
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  // instance already exists, this will cause a DCHECK failure.
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  static SystemNetworkContextManager* CreateInstance(PrefService* pref_service);
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  // Gets the global SystemNetworkContextManager instance.
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  static SystemNetworkContextManager* GetInstance();
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  // Destroys the global SystemNetworkContextManager instance.
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  static void DeleteInstance();
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  // Configures default set of parameters for configuring the network context.
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  void ConfigureDefaultNetworkContextParams(
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      network::mojom::NetworkContextParams* network_context_params);
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  // Same as ConfigureDefaultNetworkContextParams() but returns a newly
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  // allocated network::mojom::NetworkContextParams with the
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  // CertVerifierCreationParams already placed into the NetworkContextParams.
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  network::mojom::NetworkContextParamsPtr CreateDefaultNetworkContextParams();
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  // Returns the System NetworkContext. May only be called after SetUp(). Does
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  // any initialization of the NetworkService that may be needed when first
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  // called.
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  network::mojom::NetworkContext* GetContext();
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  // Returns a URLLoaderFactory owned by the SystemNetworkContextManager that is
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  // backed by the SystemNetworkContext. Allows sharing of the URLLoaderFactory.
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  // Prefer this to creating a new one.  Call Clone() on the value returned by
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  // this method to get a URLLoaderFactory that can be used on other threads.
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  network::mojom::URLLoaderFactory* GetURLLoaderFactory();
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  // Returns a SharedURLLoaderFactory owned by the SystemNetworkContextManager
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  // that is backed by the SystemNetworkContext.
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  scoped_refptr<network::SharedURLLoaderFactory> GetSharedURLLoaderFactory();
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  // Called when content creates a NetworkService. Creates the
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  // SystemNetworkContext, if the network service is enabled.
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  void OnNetworkServiceCreated(network::mojom::NetworkService* network_service);
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 private:
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  class URLLoaderFactoryForSystem;
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  explicit SystemNetworkContextManager(PrefService* pref_service);
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  // Creates parameters for the NetworkContext. May only be called once, since
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  // it initializes some class members.
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  network::mojom::NetworkContextParamsPtr CreateNetworkContextParams();
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  ProxyConfigMonitor proxy_config_monitor_;
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  // NetworkContext using the network service, if the network service is
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  // enabled. nullptr, otherwise.
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  mojo::Remote<network::mojom::NetworkContext> network_context_;
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  // URLLoaderFactory backed by the NetworkContext returned by GetContext(), so
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  // consumers don't all need to create their own factory.
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  scoped_refptr<URLLoaderFactoryForSystem> shared_url_loader_factory_;
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  mojo::Remote<network::mojom::URLLoaderFactory> url_loader_factory_;
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  DISALLOW_COPY_AND_ASSIGN(SystemNetworkContextManager);
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};
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#endif  // SHELL_BROWSER_NET_SYSTEM_NETWORK_CONTEXT_MANAGER_H_
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