109 lines
5 KiB
C++
109 lines
5 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 ELECTRON_SHELL_BROWSER_NET_SYSTEM_NETWORK_CONTEXT_MANAGER_H_
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#define ELECTRON_SHELL_BROWSER_NET_SYSTEM_NETWORK_CONTEXT_MANAGER_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 "sandbox/policy/features.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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// disable copy
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SystemNetworkContextManager(const SystemNetworkContextManager&) = delete;
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SystemNetworkContextManager& operator=(const SystemNetworkContextManager&) =
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delete;
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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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// c.f.
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// https://source.chromium.org/chromium/chromium/src/+/main:chrome/browser/net/system_network_context_manager.cc;l=730-740;drc=15a616c8043551a7cb22c4f73a88e83afb94631c;bpv=1;bpt=1
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// Returns whether the network sandbox is enabled. This depends on policy but
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// also feature status from sandbox. Called before there is an instance of
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// SystemNetworkContextManager.
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static bool IsNetworkSandboxEnabled();
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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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};
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#endif // ELECTRON_SHELL_BROWSER_NET_SYSTEM_NETWORK_CONTEXT_MANAGER_H_
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