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/*
* Copyright (C) 2008-2019 Apple 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. ``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
* 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.
*/
#pragma once
#include "Blob.h"
#include <wtf/FileSystem.h>
#include <wtf/IsoMalloc.h>
#include <wtf/Ref.h>
#include <wtf/TypeCasts.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class File final : public Blob {
WTF_MAKE_ISO_ALLOCATED_EXPORT(File, WEBCORE_EXPORT);
public:
struct PropertyBag : BlobPropertyBag {
std::optional<int64_t> lastModified;
};
// Create a file with an optional name exposed to the author (via File.name and associated DOM properties) that differs from the one provided in the path.
WEBCORE_EXPORT static Ref<File> create(ScriptExecutionContext*, const String& path, const String& replacementPath = { }, const String& nameOverride = { }, const std::optional<FileSystem::PlatformFileID>& fileID = { });
// Create a File using the 'new File' constructor.
static Ref<File> create(ScriptExecutionContext& context, Vector<BlobPartVariant>&& blobPartVariants, const String& filename, const PropertyBag& propertyBag)
{
auto file = adoptRef(*new File(context, WTFMove(blobPartVariants), filename, propertyBag));
file->suspendIfNeeded();
return file;
}
static Ref<File> deserialize(ScriptExecutionContext* context, const String& path, const URL& srcURL, const String& type, const String& name, const std::optional<int64_t>& lastModified = std::nullopt)
{
auto file = adoptRef(*new File(deserializationContructor, context, path, srcURL, type, name, lastModified));
file->suspendIfNeeded();
return file;
}
static Ref<File> create(ScriptExecutionContext* context, const Blob& blob, const String& name)
{
auto file = adoptRef(*new File(context, blob, name));
file->suspendIfNeeded();
return file;
}
static Ref<File> create(ScriptExecutionContext* context, const File& existingFile, const String& name)
{
auto file = adoptRef(*new File(context, existingFile, name));
file->suspendIfNeeded();
return file;
}
static Ref<File> createWithRelativePath(ScriptExecutionContext*, const String& path, const String& relativePath);
bool isFile() const override { return true; }
const String& path() const { return m_path; }
const String& relativePath() const { return m_relativePath; }
void setRelativePath(const String& relativePath) { m_relativePath = relativePath; }
const String& name() const { return m_name; }
WEBCORE_EXPORT int64_t lastModified() const; // Number of milliseconds since Epoch.
const std::optional<int64_t>& lastModifiedOverride() const { return m_lastModifiedDateOverride; } // Number of milliseconds since Epoch.
const std::optional<FileSystem::PlatformFileID> fileID() const { return m_fileID; }
WEBCORE_EXPORT static String contentTypeForFile(const String& path);
#if ENABLE(FILE_REPLACEMENT)
static bool shouldReplaceFile(const String& path);
#endif
bool isDirectory() const;
private:
WEBCORE_EXPORT explicit File(ScriptExecutionContext*, const String& path);
File(ScriptExecutionContext*, URL&&, String&& type, String&& path, String&& name);
File(ScriptExecutionContext&, Vector<BlobPartVariant>&& blobPartVariants, const String& filename, const PropertyBag&);
File(ScriptExecutionContext*, URL&&, String&& type, String&& path, String&& name, const std::optional<FileSystem::PlatformFileID>&);
File(ScriptExecutionContext*, const Blob&, const String& name);
File(ScriptExecutionContext*, const File&, const String& name);
File(DeserializationContructor, ScriptExecutionContext*, const String& path, const URL& srcURL, const String& type, const String& name, const std::optional<int64_t>& lastModified);
static void computeNameAndContentType(const String& path, const String& nameOverride, String& effectiveName, String& effectiveContentType);
#if ENABLE(FILE_REPLACEMENT)
static void computeNameAndContentTypeForReplacedFile(const String& path, const String& nameOverride, String& effectiveName, String& effectiveContentType);
#endif
// ActiveDOMObject.
const char* activeDOMObjectName() const final;
String m_path;
String m_relativePath;
String m_name;
std::optional<int64_t> m_lastModifiedDateOverride;
std::optional<FileSystem::PlatformFileID> m_fileID;
mutable std::optional<bool> m_isDirectory;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::File)
static bool isType(const WebCore::Blob& blob) { return blob.isFile(); }
SPECIALIZE_TYPE_TRAITS_END()
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