| // Copyright (c) 2018 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 CONTENT_BROWSER_FILEAPI_FILE_SYSTEM_MANAGER_IMPL_H_ |
| #define CONTENT_BROWSER_FILEAPI_FILE_SYSTEM_MANAGER_IMPL_H_ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <map> |
| #include <memory> |
| #include <set> |
| #include <string> |
| #include <unordered_map> |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/shared_memory.h" |
| #include "components/services/filesystem/public/interfaces/types.mojom.h" |
| #include "content/browser/streams/stream.h" |
| #include "content/browser/streams/stream_context.h" |
| #include "content/common/content_export.h" |
| #include "content/public/browser/browser_message_filter.h" |
| #include "mojo/public/cpp/bindings/binding_set.h" |
| #include "mojo/public/cpp/bindings/interface_ptr_set.h" |
| #include "mojo/public/cpp/bindings/strong_binding_set.h" |
| #include "storage/browser/fileapi/file_system_context.h" |
| #include "storage/browser/fileapi/file_system_operation_runner.h" |
| #include "storage/common/fileapi/file_system_types.h" |
| #include "third_party/blink/public/mojom/filesystem/file_system.mojom.h" |
| |
| class GURL; |
| |
| namespace base { |
| class FilePath; |
| class Time; |
| } // namespace base |
| |
| namespace storage { |
| class FileSystemURL; |
| class FileSystemOperationRunner; |
| struct FileSystemInfo; |
| class ShareableFileReference; |
| } // namespace storage |
| |
| namespace content { |
| class ChildProcessSecurityPolicyImpl; |
| class ChromeBlobStorageContext; |
| |
| // All methods for this class are expected to be called on the IO thread, |
| // except for the constructor. The destructor must also be called on the IO |
| // thread as weak refs are created on that thread. A single instance of this |
| // class is owned by RenderProcessHostImpl. |
| class CONTENT_EXPORT FileSystemManagerImpl |
| : public blink::mojom::FileSystemManager { |
| public: |
| // Constructed and held by the render frame host and render process host on |
| // the UI thread. Used by render frames (via the render frame host), workers |
| // and pepper (via the render process host). |
| FileSystemManagerImpl( |
| int process_id, |
| int frame_id, |
| storage::FileSystemContext* file_system_context, |
| scoped_refptr<ChromeBlobStorageContext> blob_storage_context); |
| ~FileSystemManagerImpl() override; |
| base::WeakPtr<FileSystemManagerImpl> GetWeakPtr(); |
| |
| void BindRequest(blink::mojom::FileSystemManagerRequest request); |
| |
| // blink::mojom::FileSystem |
| void Open(const url::Origin& origin, |
| blink::mojom::FileSystemType file_system_type, |
| OpenCallback callback) override; |
| void ResolveURL(const GURL& filesystem_url, |
| ResolveURLCallback callback) override; |
| void Move(const GURL& src_path, |
| const GURL& dest_path, |
| MoveCallback callback) override; |
| void Copy(const GURL& src_path, |
| const GURL& dest_path, |
| CopyCallback callback) override; |
| void Remove(const GURL& path, |
| bool recursive, |
| RemoveCallback callback) override; |
| void ReadMetadata(const GURL& path, ReadMetadataCallback callback) override; |
| void Create(const GURL& path, |
| bool exclusive, |
| bool is_directory, |
| bool recursive, |
| CreateCallback callback) override; |
| void Exists(const GURL& path, |
| bool is_directory, |
| ExistsCallback callback) override; |
| void ReadDirectory( |
| const GURL& path, |
| blink::mojom::FileSystemOperationListenerPtr listener) override; |
| void ReadDirectorySync(const GURL& path, |
| ReadDirectorySyncCallback callback) override; |
| void Write(const GURL& file_path, |
| const std::string& blob_uuid, |
| int64_t position, |
| blink::mojom::FileSystemCancellableOperationRequest op_request, |
| blink::mojom::FileSystemOperationListenerPtr listener) override; |
| void WriteSync(const GURL& file_path, |
| const std::string& blob_uuid, |
| int64_t position, |
| WriteSyncCallback callback) override; |
| void Truncate(const GURL& file_path, |
| int64_t length, |
| blink::mojom::FileSystemCancellableOperationRequest op_request, |
| TruncateCallback callback) override; |
| void TruncateSync(const GURL& file_path, |
| int64_t length, |
| TruncateSyncCallback callback) override; |
| void TouchFile(const GURL& path, |
| base::Time last_access_time, |
| base::Time last_modified_time, |
| TouchFileCallback callback) override; |
| void CreateSnapshotFile(const GURL& file_path, |
| CreateSnapshotFileCallback callback) override; |
| void GetPlatformPath(const GURL& file_path, |
| GetPlatformPathCallback callback) override; |
| void CreateWriter(const GURL& file_path, |
| CreateWriterCallback callback) override; |
| void ChooseEntry( |
| blink::mojom::ChooseFileSystemEntryType type, |
| std::vector<blink::mojom::ChooseFileSystemEntryAcceptsOptionPtr> accepts, |
| bool include_accepts_all, |
| ChooseEntryCallback callback) override; |
| |
| private: |
| class FileSystemCancellableOperationImpl; |
| class ReceivedSnapshotListenerImpl; |
| using OperationID = storage::FileSystemOperationRunner::OperationID; |
| using OperationListenerID = int; |
| struct WriteSyncCallbackEntry; |
| struct ReadDirectorySyncCallbackEntry; |
| |
| void Cancel( |
| OperationID op_id, |
| blink::mojom::FileSystemCancellableOperation::CancelCallback callback); |
| void DidReceiveSnapshotFile(int snapshot_id); |
| void OnConnectionError(); |
| |
| // Callback functions to be used when each file operation is finished. |
| void DidFinish(base::OnceCallback<void(base::File::Error)> callback, |
| base::File::Error error_code); |
| void DidGetMetadata(ReadMetadataCallback callback, |
| base::File::Error result, |
| const base::File::Info& info); |
| void DidGetMetadataForStreaming(CreateSnapshotFileCallback callback, |
| base::File::Error result, |
| const base::File::Info& info); |
| void DidReadDirectory(OperationListenerID listener_id, |
| base::File::Error result, |
| std::vector<filesystem::mojom::DirectoryEntry> entries, |
| bool has_more); |
| void DidReadDirectorySync( |
| ReadDirectorySyncCallbackEntry* callback_entry, |
| base::File::Error result, |
| std::vector<filesystem::mojom::DirectoryEntry> entries, |
| bool has_more); |
| void DidWrite(OperationListenerID listener_id, |
| base::File::Error result, |
| int64_t bytes, |
| bool complete); |
| void DidWriteSync(WriteSyncCallbackEntry* entry, |
| base::File::Error result, |
| int64_t bytes, |
| bool complete); |
| void DidOpenFileSystem(OpenCallback callback, |
| const GURL& root, |
| const std::string& filesystem_name, |
| base::File::Error result); |
| void DidResolveURL(ResolveURLCallback callback, |
| base::File::Error result, |
| const storage::FileSystemInfo& info, |
| const base::FilePath& file_path, |
| storage::FileSystemContext::ResolvedEntryType type); |
| void DidCreateSnapshot( |
| CreateSnapshotFileCallback callback, |
| const storage::FileSystemURL& url, |
| base::File::Error result, |
| const base::File::Info& info, |
| const base::FilePath& platform_path, |
| scoped_refptr<storage::ShareableFileReference> file_ref); |
| void DidGetPlatformPath(GetPlatformPathCallback callback, |
| base::FilePath platform_path); |
| |
| static void GetPlatformPathOnFileThread( |
| const GURL& path, |
| int process_id, |
| storage::FileSystemContext* context, |
| base::WeakPtr<FileSystemManagerImpl> file_system_manager, |
| GetPlatformPathCallback callback); |
| // Returns an error if |url| is invalid. |
| base::Optional<base::File::Error> ValidateFileSystemURL( |
| const storage::FileSystemURL& url); |
| |
| storage::FileSystemOperationRunner* operation_runner() { |
| return operation_runner_.get(); |
| } |
| |
| OperationListenerID AddOpListener( |
| blink::mojom::FileSystemOperationListenerPtr listener); |
| void RemoveOpListener(OperationListenerID listener_id); |
| blink::mojom::FileSystemOperationListener* GetOpListener( |
| OperationListenerID listener_id); |
| void OnConnectionErrorForOpListeners(OperationListenerID listener_id); |
| |
| const int process_id_; |
| const int frame_id_; |
| storage::FileSystemContext* const context_; |
| ChildProcessSecurityPolicyImpl* const security_policy_; |
| const scoped_refptr<ChromeBlobStorageContext> blob_storage_context_; |
| std::unique_ptr<storage::FileSystemOperationRunner> operation_runner_; |
| |
| mojo::BindingSet<blink::mojom::FileSystemManager> bindings_; |
| mojo::StrongBindingSet<blink::mojom::FileSystemCancellableOperation> |
| cancellable_operations_; |
| mojo::StrongBindingSet<blink::mojom::ReceivedSnapshotListener> |
| snapshot_listeners_; |
| |
| std::unordered_map<OperationListenerID, |
| blink::mojom::FileSystemOperationListenerPtr> |
| op_listeners_; |
| OperationListenerID next_operation_listener_id_ = 1; |
| |
| // Used to keep snapshot files alive while a DidCreateSnapshot |
| // is being sent to the renderer. |
| base::IDMap<scoped_refptr<storage::ShareableFileReference>> |
| in_transit_snapshot_files_; |
| |
| base::WeakPtrFactory<FileSystemManagerImpl> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FileSystemManagerImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_FILEAPI_FILE_SYSTEM_MANAGER_IMPL_H_ |