| // Copyright 2017 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. |
| |
| #include "content/browser/renderer_interface_binders.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/command_line.h" |
| #include "base/no_destructor.h" |
| #include "base/task/post_task.h" |
| #include "content/browser/child_process_security_policy_impl.h" |
| #include "content/browser/native_file_system/native_file_system_manager_impl.h" |
| #include "content/browser/notifications/platform_notification_context_impl.h" |
| #include "content/browser/permissions/permission_service_context.h" |
| #include "content/browser/quota_dispatcher_host.h" |
| #include "content/browser/renderer_host/render_process_host_impl.h" |
| #include "content/browser/storage_partition_impl.h" |
| #include "content/browser/websockets/websocket_connector_impl.h" |
| #include "content/public/browser/browser_context.h" |
| #include "content/public/browser/browser_task_traits.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/content_browser_client.h" |
| #include "content/public/browser/render_frame_host.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "content/public/common/content_features.h" |
| #include "content/public/common/content_switches.h" |
| #include "mojo/public/cpp/bindings/pending_receiver.h" |
| #include "mojo/public/cpp/bindings/remote.h" |
| #include "mojo/public/cpp/bindings/self_owned_receiver.h" |
| #include "services/service_manager/public/cpp/binder_registry.h" |
| #include "third_party/blink/public/common/features.h" |
| #include "third_party/blink/public/mojom/cache_storage/cache_storage.mojom.h" |
| #include "third_party/blink/public/mojom/native_file_system/native_file_system_manager.mojom.h" |
| #include "third_party/blink/public/mojom/notifications/notification_service.mojom.h" |
| #include "url/origin.h" |
| |
| namespace content { |
| namespace { |
| |
| // A holder for a parameterized BinderRegistry for content-layer interfaces |
| // exposed to web workers. |
| class RendererInterfaceBinders { |
| public: |
| RendererInterfaceBinders() { InitializeParameterizedBinderRegistry(); } |
| |
| // Bind an interface request |interface_pipe| for |interface_name| received |
| // from a web worker with origin |origin| hosted in the renderer |host|. |
| void BindInterface(const std::string& interface_name, |
| mojo::ScopedMessagePipeHandle interface_pipe, |
| RenderProcessHost* host, |
| const url::Origin& origin) { |
| if (parameterized_binder_registry_.TryBindInterface( |
| interface_name, &interface_pipe, host, origin)) { |
| return; |
| } |
| |
| GetContentClient()->browser()->BindInterfaceRequestFromWorker( |
| host, origin, interface_name, std::move(interface_pipe)); |
| } |
| |
| // Try binding an interface request |interface_pipe| for |interface_name| |
| // received from |frame|. |
| bool TryBindInterface(const std::string& interface_name, |
| mojo::ScopedMessagePipeHandle* interface_pipe, |
| RenderFrameHost* frame) { |
| return parameterized_binder_registry_.TryBindInterface( |
| interface_name, interface_pipe, frame->GetProcess(), |
| frame->GetLastCommittedOrigin()); |
| } |
| |
| private: |
| void InitializeParameterizedBinderRegistry(); |
| |
| static void CreateWebSocketConnector( |
| mojo::PendingReceiver<blink::mojom::WebSocketConnector> receiver, |
| RenderProcessHost* host, |
| const url::Origin& origin); |
| |
| service_manager::BinderRegistryWithArgs<RenderProcessHost*, |
| const url::Origin&> |
| parameterized_binder_registry_; |
| }; |
| |
| // Register renderer-exposed interfaces. Each registered interface binder is |
| // exposed to all renderer-hosted execution context types (document/frame, |
| // dedicated worker, shared worker and service worker) where the appropriate |
| // capability spec in the content_browser manifest includes the interface. For |
| // interface requests from frames, binders registered on the frame itself |
| // override binders registered here. |
| void RendererInterfaceBinders::InitializeParameterizedBinderRegistry() { |
| // Used for shared workers and service workers to create a websocket. |
| // In other cases, RenderFrameHostImpl for documents or DedicatedWorkerHost |
| // for dedicated workers handles interface requests in order to associate |
| // websockets with a frame. Shared workers and service workers don't have to |
| // do it because they don't have a frame. |
| // TODO(nhiroki): Consider moving this into SharedWorkerHost and |
| // ServiceWorkerProviderHost. |
| parameterized_binder_registry_.AddInterface( |
| base::BindRepeating(CreateWebSocketConnector)); |
| |
| parameterized_binder_registry_.AddInterface(base::BindRepeating( |
| [](mojo::PendingReceiver<blink::mojom::CacheStorage> receiver, |
| RenderProcessHost* host, const url::Origin& origin) { |
| static_cast<RenderProcessHostImpl*>(host)->BindCacheStorage( |
| std::move(receiver), origin); |
| })); |
| if (base::FeatureList::IsEnabled(blink::features::kNativeFileSystemAPI)) { |
| parameterized_binder_registry_.AddInterface(base::BindRepeating( |
| [](mojo::PendingReceiver<blink::mojom::NativeFileSystemManager> |
| receiver, |
| RenderProcessHost* host, const url::Origin& origin) { |
| // This code path is only for workers, hence always pass in |
| // MSG_ROUTING_NONE as frame ID. Frames themselves go through |
| // RenderFrameHostImpl instead. |
| NativeFileSystemManagerImpl::BindReceiverFromUIThread( |
| static_cast<StoragePartitionImpl*>(host->GetStoragePartition()), |
| NativeFileSystemManagerImpl::BindingContext( |
| origin, |
| // TODO(https://crbug.com/989323): Obtain and use a better URL |
| // for workers instead of the origin as source url. This URL |
| // will be used for SafeBrowsing checks and for the Quarantine |
| // Service. |
| origin.GetURL(), host->GetID(), MSG_ROUTING_NONE), |
| std::move(receiver)); |
| })); |
| } |
| |
| parameterized_binder_registry_.AddInterface(base::BindRepeating( |
| [](blink::mojom::NotificationServiceRequest request, |
| RenderProcessHost* host, const url::Origin& origin) { |
| static_cast<StoragePartitionImpl*>(host->GetStoragePartition()) |
| ->GetPlatformNotificationContext() |
| ->CreateService(origin, std::move(request)); |
| })); |
| parameterized_binder_registry_.AddInterface( |
| base::BindRepeating(&QuotaDispatcherHost::CreateForWorker)); |
| } |
| |
| RendererInterfaceBinders& GetRendererInterfaceBinders() { |
| static base::NoDestructor<RendererInterfaceBinders> binders; |
| return *binders; |
| } |
| |
| void RendererInterfaceBinders::CreateWebSocketConnector( |
| mojo::PendingReceiver<blink::mojom::WebSocketConnector> receiver, |
| RenderProcessHost* host, |
| const url::Origin& origin) { |
| // TODO(jam): is it ok to not send extraHeaders for sockets created from |
| // shared and service workers? |
| mojo::MakeSelfOwnedReceiver(std::make_unique<WebSocketConnectorImpl>( |
| host->GetID(), MSG_ROUTING_NONE, origin), |
| std::move(receiver)); |
| } |
| |
| } // namespace |
| |
| void BindWorkerInterface(const std::string& interface_name, |
| mojo::ScopedMessagePipeHandle interface_pipe, |
| RenderProcessHost* host, |
| const url::Origin& origin) { |
| DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| |
| GetRendererInterfaceBinders().BindInterface( |
| interface_name, std::move(interface_pipe), host, origin); |
| } |
| |
| bool TryBindFrameInterface(const std::string& interface_name, |
| mojo::ScopedMessagePipeHandle* interface_pipe, |
| RenderFrameHost* frame) { |
| DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| |
| return GetRendererInterfaceBinders().TryBindInterface(interface_name, |
| interface_pipe, frame); |
| } |
| |
| } // namespace content |