blob: 9744b0157ae11c110cd8c289e527cbfa02c10e91 [file] [log] [blame]
/*
* Copyright (C) 2008 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.
*/
#include "config.h"
#include "File.h"
#include "BlobURL.h"
#include "MIMETypeRegistry.h"
#include "ThreadableBlobRegistry.h"
#include <wtf/DateMath.h>
#include <wtf/FileSystem.h>
#include <wtf/IsoMallocInlines.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(File);
Ref<File> File::createWithRelativePath(ScriptExecutionContext* context, const String& path, const String& relativePath)
{
auto file = File::create(context, path);
file->setRelativePath(relativePath);
return file;
}
Ref<File> File::create(ScriptExecutionContext* context, const String& path, const String& replacementPath, const String& nameOverride)
{
String name;
String type;
String effectivePath = !replacementPath.isNull() ? replacementPath : path;
computeNameAndContentType(effectivePath, nameOverride, name, type);
auto internalURL = BlobURL::createInternalURL();
ThreadableBlobRegistry::registerFileBlobURL(internalURL, path, replacementPath, type);
auto file = adoptRef(*new File(context, WTFMove(internalURL), WTFMove(type), WTFMove(effectivePath), WTFMove(name)));
file->suspendIfNeeded();
return file;
}
File::File(ScriptExecutionContext* context, URL&& url, String&& type, String&& path, String&& name)
: Blob(uninitializedContructor, context, WTFMove(url), WTFMove(type))
, m_path(WTFMove(path))
, m_name(WTFMove(name))
{
}
File::File(DeserializationContructor, ScriptExecutionContext* context, const String& path, const URL& url, const String& type, const String& name, const std::optional<int64_t>& lastModified)
: Blob(deserializationContructor, context, url, type, { }, path)
, m_path(path)
, m_name(name)
, m_lastModifiedDateOverride(lastModified)
{
}
File::File(ScriptExecutionContext& context, Vector<BlobPartVariant>&& blobPartVariants, const String& filename, const PropertyBag& propertyBag)
: Blob(context, WTFMove(blobPartVariants), propertyBag)
, m_name(filename)
, m_lastModifiedDateOverride(propertyBag.lastModified.value_or(WallTime::now().secondsSinceEpoch().milliseconds()))
{
}
File::File(ScriptExecutionContext* context, const Blob& blob, const String& name)
: Blob(referencingExistingBlobConstructor, context, blob)
, m_name(name)
{
ASSERT(!blob.isFile());
}
File::File(ScriptExecutionContext* context, const File& file, const String& name)
: Blob(referencingExistingBlobConstructor, context, file)
, m_path(file.path())
, m_relativePath(file.relativePath())
, m_name(!name.isNull() ? name : file.name())
, m_lastModifiedDateOverride(file.m_lastModifiedDateOverride)
, m_isDirectory(file.isDirectory())
{
}
int64_t File::lastModified() const
{
if (m_lastModifiedDateOverride)
return m_lastModifiedDateOverride.value();
int64_t result;
// FIXME: This does sync-i/o on the main thread and also recalculates every time the method is called.
// The i/o should be performed on a background thread,
// and the result should be cached along with an asynchronous monitor for changes to the file.
auto modificationTime = FileSystem::fileModificationTime(m_path);
if (modificationTime)
result = modificationTime->secondsSinceEpoch().millisecondsAs<int64_t>();
else
result = WallTime::now().secondsSinceEpoch().millisecondsAs<int64_t>();
return timeClip(result);
}
void File::computeNameAndContentType(const String& path, const String& nameOverride, String& effectiveName, String& effectiveContentType)
{
#if ENABLE(FILE_REPLACEMENT)
if (shouldReplaceFile(path)) {
computeNameAndContentTypeForReplacedFile(path, nameOverride, effectiveName, effectiveContentType);
return;
}
#endif
effectiveName = nameOverride.isEmpty() ? FileSystem::pathFileName(path) : nameOverride;
size_t index = effectiveName.reverseFind('.');
if (index != notFound) {
callOnMainThreadAndWait([&effectiveContentType, &effectiveName, index] {
effectiveContentType = MIMETypeRegistry::mimeTypeForExtension(effectiveName.substring(index + 1)).isolatedCopy();
});
}
}
String File::contentTypeForFile(const String& path)
{
String name;
String type;
computeNameAndContentType(path, String(), name, type);
return type;
}
bool File::isDirectory() const
{
if (!m_isDirectory)
m_isDirectory = FileSystem::fileTypeFollowingSymlinks(m_path) == FileSystem::FileType::Directory;
return *m_isDirectory;
}
const char* File::activeDOMObjectName() const
{
return "File";
}
} // namespace WebCore