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/*
* Copyright (C) 2012, 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 INC. AND ITS 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 APPLE INC. OR ITS 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/dom_window_file_system.h"
#include "third_party/blink/public/mojom/filesystem/file_system.mojom-blink.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/fileapi/file_error.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/web_feature.h"
#include "third_party/blink/renderer/modules/filesystem/async_callback_helper.h"
#include "third_party/blink/renderer/modules/filesystem/directory_entry.h"
#include "third_party/blink/renderer/modules/filesystem/dom_file_system.h"
#include "third_party/blink/renderer/modules/filesystem/file_system_callbacks.h"
#include "third_party/blink/renderer/modules/filesystem/file_system_dispatcher.h"
#include "third_party/blink/renderer/modules/filesystem/local_file_system.h"
#include "third_party/blink/renderer/platform/instrumentation/use_counter.h"
#include "third_party/blink/renderer/platform/weborigin/scheme_registry.h"
#include "third_party/blink/renderer/platform/weborigin/security_origin.h"
namespace blink {
void DOMWindowFileSystem::webkitRequestFileSystem(
LocalDOMWindow& window,
int type,
int64_t size,
V8FileSystemCallback* success_callback,
V8ErrorCallback* error_callback) {
if (!window.IsCurrentlyDisplayedInFrame())
return;
auto error_callback_wrapper =
AsyncCallbackHelper::ErrorCallback(error_callback);
if (SchemeRegistry::SchemeShouldBypassContentSecurityPolicy(
window.GetSecurityOrigin()->Protocol()))
UseCounter::Count(window, WebFeature::kRequestFileSystemNonWebbyOrigin);
if (!window.GetSecurityOrigin()->CanAccessFileSystem()) {
DOMFileSystem::ReportError(&window, std::move(error_callback_wrapper),
base::File::FILE_ERROR_SECURITY);
return;
} else if (window.GetSecurityOrigin()->IsLocal()) {
UseCounter::Count(window, WebFeature::kFileAccessedFileSystem);
}
mojom::blink::FileSystemType file_system_type =
static_cast<mojom::blink::FileSystemType>(type);
if (!DOMFileSystemBase::IsValidType(file_system_type)) {
DOMFileSystem::ReportError(&window, std::move(error_callback_wrapper),
base::File::FILE_ERROR_INVALID_OPERATION);
return;
}
if (file_system_type == mojom::blink::FileSystemType::kTemporary) {
UseCounter::Count(window, WebFeature::kRequestedFileSystemTemporary);
} else if (file_system_type == mojom::blink::FileSystemType::kPersistent) {
UseCounter::Count(window, WebFeature::kRequestedFileSystemPersistent);
}
auto success_callback_wrapper =
AsyncCallbackHelper::SuccessCallback<DOMFileSystem>(success_callback);
LocalFileSystem::From(window)->RequestFileSystem(
file_system_type, size,
std::make_unique<FileSystemCallbacks>(std::move(success_callback_wrapper),
std::move(error_callback_wrapper),
&window, file_system_type),
LocalFileSystem::kAsynchronous);
}
void DOMWindowFileSystem::webkitResolveLocalFileSystemURL(
LocalDOMWindow& window,
const String& url,
V8EntryCallback* success_callback,
V8ErrorCallback* error_callback) {
if (!window.IsCurrentlyDisplayedInFrame())
return;
auto error_callback_wrapper =
AsyncCallbackHelper::ErrorCallback(error_callback);
const SecurityOrigin* security_origin = window.GetSecurityOrigin();
KURL completed_url = window.CompleteURL(url);
if (!security_origin->CanAccessFileSystem() ||
!security_origin->CanRequest(completed_url)) {
DOMFileSystem::ReportError(&window, std::move(error_callback_wrapper),
base::File::FILE_ERROR_SECURITY);
return;
} else if (window.GetSecurityOrigin()->IsLocal()) {
UseCounter::Count(window, WebFeature::kFileAccessedFileSystem);
}
if (!completed_url.IsValid()) {
DOMFileSystem::ReportError(&window, std::move(error_callback_wrapper),
base::File::FILE_ERROR_INVALID_URL);
return;
}
auto success_callback_wrapper =
AsyncCallbackHelper::SuccessCallback<Entry>(success_callback);
LocalFileSystem::From(window)->ResolveURL(
completed_url,
std::make_unique<ResolveURICallbacks>(std::move(success_callback_wrapper),
std::move(error_callback_wrapper),
&window),
LocalFileSystem::kAsynchronous);
}
static_assert(
static_cast<int>(DOMWindowFileSystem::kTemporary) ==
static_cast<int>(mojom::blink::FileSystemType::kTemporary),
"DOMWindowFileSystem::kTemporary should match FileSystemTypeTemporary");
static_assert(
static_cast<int>(DOMWindowFileSystem::kPersistent) ==
static_cast<int>(mojom::blink::FileSystemType::kPersistent),
"DOMWindowFileSystem::kPersistent should match FileSystemTypePersistent");
} // namespace blink
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