| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "third_party/blink/renderer/modules/filesystem/local_file_system.h" |
| |
| #include <memory> |
| #include "base/feature_list.h" |
| #include "third_party/blink/public/common/features.h" |
| #include "third_party/blink/public/platform/platform.h" |
| #include "third_party/blink/public/platform/task_type.h" |
| #include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h" |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/dom/dom_exception.h" |
| #include "third_party/blink/renderer/core/execution_context/execution_context.h" |
| #include "third_party/blink/renderer/core/fileapi/file_error.h" |
| #include "third_party/blink/renderer/core/frame/local_frame.h" |
| #include "third_party/blink/renderer/core/frame/local_frame_client.h" |
| #include "third_party/blink/renderer/core/workers/worker_global_scope.h" |
| #include "third_party/blink/renderer/modules/filesystem/dom_file_system.h" |
| #include "third_party/blink/renderer/modules/filesystem/file_system_client.h" |
| #include "third_party/blink/renderer/modules/filesystem/file_system_dispatcher.h" |
| #include "third_party/blink/renderer/platform/async_file_system_callbacks.h" |
| #include "third_party/blink/renderer/platform/content_setting_callbacks.h" |
| #include "third_party/blink/renderer/platform/wtf/functional.h" |
| #include "third_party/blink/renderer/platform/wtf/std_lib_extras.h" |
| |
| namespace blink { |
| |
| namespace { |
| |
| void ReportFailure(std::unique_ptr<AsyncFileSystemCallbacks> callbacks, |
| base::File::Error error) { |
| callbacks->DidFail(error); |
| } |
| |
| } // namespace |
| |
| class CallbackWrapper final |
| : public GarbageCollectedFinalized<CallbackWrapper> { |
| public: |
| CallbackWrapper(std::unique_ptr<AsyncFileSystemCallbacks> c) |
| : callbacks_(std::move(c)) {} |
| virtual ~CallbackWrapper() = default; |
| std::unique_ptr<AsyncFileSystemCallbacks> Release() { |
| return std::move(callbacks_); |
| } |
| |
| void Trace(blink::Visitor* visitor) {} |
| |
| private: |
| std::unique_ptr<AsyncFileSystemCallbacks> callbacks_; |
| }; |
| |
| LocalFileSystem::~LocalFileSystem() = default; |
| |
| void LocalFileSystem::ResolveURL( |
| ExecutionContext* context, |
| const KURL& file_system_url, |
| std::unique_ptr<AsyncFileSystemCallbacks> callbacks, |
| SynchronousType type) { |
| CallbackWrapper* wrapper = |
| MakeGarbageCollected<CallbackWrapper>(std::move(callbacks)); |
| RequestFileSystemAccessInternal( |
| context, |
| WTF::Bind(&LocalFileSystem::ResolveURLInternal, |
| WrapCrossThreadPersistent(this), WrapPersistent(context), |
| file_system_url, WrapPersistent(wrapper), type), |
| WTF::Bind(&LocalFileSystem::FileSystemNotAllowedInternal, |
| WrapCrossThreadPersistent(this), WrapPersistent(context), |
| WrapPersistent(wrapper))); |
| } |
| |
| void LocalFileSystem::RequestFileSystem( |
| ExecutionContext* context, |
| mojom::blink::FileSystemType type, |
| long long size, |
| std::unique_ptr<AsyncFileSystemCallbacks> callbacks, |
| SynchronousType sync_type) { |
| CallbackWrapper* wrapper = |
| MakeGarbageCollected<CallbackWrapper>(std::move(callbacks)); |
| RequestFileSystemAccessInternal( |
| context, |
| WTF::Bind(&LocalFileSystem::FileSystemAllowedInternal, |
| WrapCrossThreadPersistent(this), WrapPersistent(context), type, |
| WrapPersistent(wrapper), sync_type), |
| WTF::Bind(&LocalFileSystem::FileSystemNotAllowedInternal, |
| WrapCrossThreadPersistent(this), WrapPersistent(context), |
| WrapPersistent(wrapper))); |
| } |
| |
| void LocalFileSystem::RequestFileSystemAccessInternal( |
| ExecutionContext* context, |
| base::OnceClosure allowed, |
| base::OnceClosure denied) { |
| if (!context->IsDocument()) { |
| if (!Client().RequestFileSystemAccessSync(context)) { |
| std::move(denied).Run(); |
| return; |
| } |
| std::move(allowed).Run(); |
| return; |
| } |
| Client().RequestFileSystemAccessAsync( |
| context, |
| ContentSettingCallbacks::Create(std::move(allowed), std::move(denied))); |
| } |
| |
| void LocalFileSystem::FileSystemNotAvailable(ExecutionContext* context, |
| CallbackWrapper* callbacks) { |
| context->GetTaskRunner(TaskType::kFileReading) |
| ->PostTask(FROM_HERE, |
| WTF::Bind(&ReportFailure, WTF::Passed(callbacks->Release()), |
| base::File::FILE_ERROR_ABORT)); |
| } |
| |
| void LocalFileSystem::FileSystemNotAllowedInternal(ExecutionContext* context, |
| CallbackWrapper* callbacks) { |
| context->GetTaskRunner(TaskType::kFileReading) |
| ->PostTask(FROM_HERE, |
| WTF::Bind(&ReportFailure, WTF::Passed(callbacks->Release()), |
| base::File::FILE_ERROR_ABORT)); |
| } |
| |
| void LocalFileSystem::FileSystemAllowedInternal( |
| ExecutionContext* context, |
| mojom::blink::FileSystemType type, |
| CallbackWrapper* callbacks, |
| SynchronousType sync_type) { |
| KURL storage_partition = |
| KURL(NullURL(), context->GetSecurityOrigin()->ToString()); |
| std::unique_ptr<AsyncFileSystemCallbacks> async_callbacks = |
| callbacks->Release(); |
| FileSystemDispatcher& dispatcher = FileSystemDispatcher::From(context); |
| if (sync_type == kSynchronous) { |
| dispatcher.OpenFileSystemSync(storage_partition, type, |
| std::move(async_callbacks)); |
| } else { |
| dispatcher.OpenFileSystem(storage_partition, type, |
| std::move(async_callbacks)); |
| } |
| } |
| |
| void LocalFileSystem::ResolveURLInternal(ExecutionContext* context, |
| const KURL& file_system_url, |
| CallbackWrapper* callbacks, |
| SynchronousType sync_type) { |
| FileSystemDispatcher& dispatcher = FileSystemDispatcher::From(context); |
| std::unique_ptr<AsyncFileSystemCallbacks> async_callbacks = |
| callbacks->Release(); |
| if (sync_type == kSynchronous) { |
| dispatcher.ResolveURLSync(file_system_url, std::move(async_callbacks)); |
| } else { |
| dispatcher.ResolveURL(file_system_url, std::move(async_callbacks)); |
| } |
| } |
| |
| LocalFileSystem::LocalFileSystem(LocalFrame& frame, |
| std::unique_ptr<FileSystemClient> client) |
| : Supplement<LocalFrame>(frame), client_(std::move(client)) { |
| DCHECK(client_); |
| } |
| |
| LocalFileSystem::LocalFileSystem(WorkerClients& worker_clients, |
| std::unique_ptr<FileSystemClient> client) |
| : Supplement<WorkerClients>(worker_clients), client_(std::move(client)) { |
| DCHECK(client_); |
| } |
| |
| void LocalFileSystem::Trace(blink::Visitor* visitor) { |
| Supplement<LocalFrame>::Trace(visitor); |
| Supplement<WorkerClients>::Trace(visitor); |
| } |
| |
| const char LocalFileSystem::kSupplementName[] = "LocalFileSystem"; |
| |
| LocalFileSystem* LocalFileSystem::From(ExecutionContext& context) { |
| if (auto* document = DynamicTo<Document>(context)) { |
| LocalFileSystem* file_system = |
| Supplement<LocalFrame>::From<LocalFileSystem>(document->GetFrame()); |
| DCHECK(file_system); |
| return file_system; |
| } |
| |
| WorkerClients* clients = To<WorkerGlobalScope>(context).Clients(); |
| DCHECK(clients); |
| LocalFileSystem* file_system = |
| Supplement<WorkerClients>::From<LocalFileSystem>(clients); |
| DCHECK(file_system); |
| return file_system; |
| } |
| |
| void ProvideLocalFileSystemTo(LocalFrame& frame, |
| std::unique_ptr<FileSystemClient> client) { |
| frame.ProvideSupplement( |
| MakeGarbageCollected<LocalFileSystem>(frame, std::move(client))); |
| } |
| |
| void ProvideLocalFileSystemToWorker(WorkerClients* worker_clients, |
| std::unique_ptr<FileSystemClient> client) { |
| Supplement<WorkerClients>::ProvideTo(*worker_clients, |
| MakeGarbageCollected<LocalFileSystem>( |
| *worker_clients, std::move(client))); |
| } |
| |
| } // namespace blink |
