| /* |
| * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
| * Copyright (C) 2009, 2011 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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/worker_global_scope_file_system.h" |
| |
| #include <memory> |
| |
| #include "third_party/blink/public/mojom/filesystem/file_system.mojom-blink.h" |
| #include "third_party/blink/renderer/core/fileapi/file_error.h" |
| #include "third_party/blink/renderer/core/workers/worker_global_scope.h" |
| #include "third_party/blink/renderer/modules/filesystem/async_callback_helper.h" |
| #include "third_party/blink/renderer/modules/filesystem/directory_entry_sync.h" |
| #include "third_party/blink/renderer/modules/filesystem/dom_file_system.h" |
| #include "third_party/blink/renderer/modules/filesystem/entry.h" |
| #include "third_party/blink/renderer/modules/filesystem/file_entry_sync.h" |
| #include "third_party/blink/renderer/modules/filesystem/file_system_callbacks.h" |
| #include "third_party/blink/renderer/modules/filesystem/local_file_system.h" |
| #include "third_party/blink/renderer/modules/filesystem/sync_callback_helper.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| #include "third_party/blink/renderer/platform/instrumentation/use_counter.h" |
| #include "third_party/blink/renderer/platform/weborigin/security_origin.h" |
| |
| namespace blink { |
| |
| void WorkerGlobalScopeFileSystem::webkitRequestFileSystem( |
| WorkerGlobalScope& worker, |
| int type, |
| int64_t size, |
| V8FileSystemCallback* success_callback, |
| V8ErrorCallback* error_callback) { |
| ExecutionContext* secure_context = worker.GetExecutionContext(); |
| auto error_callback_wrapper = |
| AsyncCallbackHelper::ErrorCallback(error_callback); |
| |
| if (!secure_context->GetSecurityOrigin()->CanAccessFileSystem()) { |
| DOMFileSystem::ReportError(&worker, std::move(error_callback_wrapper), |
| base::File::FILE_ERROR_SECURITY); |
| return; |
| } else if (secure_context->GetSecurityOrigin()->IsLocal()) { |
| UseCounter::Count(secure_context, WebFeature::kFileAccessedFileSystem); |
| } |
| |
| mojom::blink::FileSystemType file_system_type = |
| static_cast<mojom::blink::FileSystemType>(type); |
| if (!DOMFileSystemBase::IsValidType(file_system_type)) { |
| DOMFileSystem::ReportError(&worker, std::move(error_callback_wrapper), |
| base::File::FILE_ERROR_INVALID_OPERATION); |
| return; |
| } |
| |
| auto success_callback_wrapper = |
| AsyncCallbackHelper::SuccessCallback<DOMFileSystem>(success_callback); |
| |
| LocalFileSystem::From(worker)->RequestFileSystem( |
| &worker, file_system_type, size, |
| std::make_unique<FileSystemCallbacks>(std::move(success_callback_wrapper), |
| std::move(error_callback_wrapper), |
| &worker, file_system_type), |
| LocalFileSystem::kAsynchronous); |
| } |
| |
| DOMFileSystemSync* WorkerGlobalScopeFileSystem::webkitRequestFileSystemSync( |
| WorkerGlobalScope& worker, |
| int type, |
| int64_t size, |
| ExceptionState& exception_state) { |
| ExecutionContext* secure_context = worker.GetExecutionContext(); |
| if (!secure_context->GetSecurityOrigin()->CanAccessFileSystem()) { |
| exception_state.ThrowSecurityError(file_error::kSecurityErrorMessage); |
| return nullptr; |
| } else if (secure_context->GetSecurityOrigin()->IsLocal()) { |
| UseCounter::Count(secure_context, WebFeature::kFileAccessedFileSystem); |
| } |
| |
| mojom::blink::FileSystemType file_system_type = |
| static_cast<mojom::blink::FileSystemType>(type); |
| if (!DOMFileSystemBase::IsValidType(file_system_type)) { |
| exception_state.ThrowDOMException( |
| DOMExceptionCode::kInvalidModificationError, |
| "the type must be kTemporary or kPersistent."); |
| return nullptr; |
| } |
| |
| auto* sync_helper = MakeGarbageCollected<FileSystemCallbacksSyncHelper>(); |
| |
| auto success_callback_wrapper = |
| WTF::Bind(&FileSystemCallbacksSyncHelper::OnSuccess, |
| WrapPersistentIfNeeded(sync_helper)); |
| auto error_callback_wrapper = |
| WTF::Bind(&FileSystemCallbacksSyncHelper::OnError, |
| WrapPersistentIfNeeded(sync_helper)); |
| |
| auto callbacks = std::make_unique<FileSystemCallbacks>( |
| std::move(success_callback_wrapper), std::move(error_callback_wrapper), |
| &worker, file_system_type); |
| |
| LocalFileSystem::From(worker)->RequestFileSystem( |
| &worker, file_system_type, size, std::move(callbacks), |
| LocalFileSystem::kSynchronous); |
| DOMFileSystem* file_system = sync_helper->GetResultOrThrow(exception_state); |
| return file_system ? MakeGarbageCollected<DOMFileSystemSync>(file_system) |
| : nullptr; |
| } |
| |
| void WorkerGlobalScopeFileSystem::webkitResolveLocalFileSystemURL( |
| WorkerGlobalScope& worker, |
| const String& url, |
| V8EntryCallback* success_callback, |
| V8ErrorCallback* error_callback) { |
| KURL completed_url = worker.CompleteURL(url); |
| ExecutionContext* secure_context = worker.GetExecutionContext(); |
| auto error_callback_wrapper = |
| AsyncCallbackHelper::ErrorCallback(error_callback); |
| |
| if (!secure_context->GetSecurityOrigin()->CanAccessFileSystem() || |
| !secure_context->GetSecurityOrigin()->CanRequest(completed_url)) { |
| DOMFileSystem::ReportError(&worker, std::move(error_callback_wrapper), |
| base::File::FILE_ERROR_SECURITY); |
| return; |
| } else if (secure_context->GetSecurityOrigin()->IsLocal()) { |
| UseCounter::Count(secure_context, WebFeature::kFileAccessedFileSystem); |
| } |
| |
| if (!completed_url.IsValid()) { |
| DOMFileSystem::ReportError(&worker, std::move(error_callback_wrapper), |
| base::File::FILE_ERROR_INVALID_URL); |
| return; |
| } |
| |
| auto success_callback_wrapper = |
| AsyncCallbackHelper::SuccessCallback<Entry>(success_callback); |
| |
| LocalFileSystem::From(worker)->ResolveURL( |
| &worker, completed_url, |
| std::make_unique<ResolveURICallbacks>(std::move(success_callback_wrapper), |
| std::move(error_callback_wrapper), |
| &worker), |
| LocalFileSystem::kAsynchronous); |
| } |
| |
| EntrySync* WorkerGlobalScopeFileSystem::webkitResolveLocalFileSystemSyncURL( |
| WorkerGlobalScope& worker, |
| const String& url, |
| ExceptionState& exception_state) { |
| KURL completed_url = worker.CompleteURL(url); |
| ExecutionContext* secure_context = worker.GetExecutionContext(); |
| if (!secure_context->GetSecurityOrigin()->CanAccessFileSystem() || |
| !secure_context->GetSecurityOrigin()->CanRequest(completed_url)) { |
| exception_state.ThrowSecurityError(file_error::kSecurityErrorMessage); |
| return nullptr; |
| } else if (secure_context->GetSecurityOrigin()->IsLocal()) { |
| UseCounter::Count(secure_context, WebFeature::kFileAccessedFileSystem); |
| } |
| |
| if (!completed_url.IsValid()) { |
| exception_state.ThrowDOMException(DOMExceptionCode::kEncodingError, |
| "the URL '" + url + "' is invalid."); |
| return nullptr; |
| } |
| |
| auto* sync_helper = MakeGarbageCollected<EntryCallbacksSyncHelper>(); |
| |
| auto success_callback_wrapper = |
| WTF::Bind(&EntryCallbacksSyncHelper::OnSuccess, |
| WrapPersistentIfNeeded(sync_helper)); |
| auto error_callback_wrapper = WTF::Bind(&EntryCallbacksSyncHelper::OnError, |
| WrapPersistentIfNeeded(sync_helper)); |
| |
| std::unique_ptr<ResolveURICallbacks> callbacks = |
| std::make_unique<ResolveURICallbacks>(std::move(success_callback_wrapper), |
| std::move(error_callback_wrapper), |
| &worker); |
| |
| LocalFileSystem::From(worker)->ResolveURL(&worker, completed_url, |
| std::move(callbacks), |
| LocalFileSystem::kSynchronous); |
| |
| Entry* entry = sync_helper->GetResultOrThrow(exception_state); |
| return entry ? EntrySync::Create(entry) : nullptr; |
| } |
| |
| static_assert(static_cast<int>(WorkerGlobalScopeFileSystem::kTemporary) == |
| static_cast<int>(mojom::blink::FileSystemType::kTemporary), |
| "WorkerGlobalScopeFileSystem::kTemporary should match " |
| "FileSystemTypeTemporary"); |
| static_assert(static_cast<int>(WorkerGlobalScopeFileSystem::kPersistent) == |
| static_cast<int>(mojom::blink::FileSystemType::kPersistent), |
| "WorkerGlobalScopeFileSystem::kPersistent should match " |
| "FileSystemTypePersistent"); |
| |
| } // namespace blink |
