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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "File.h"
#include "FileBlobImpl.h"
#include "MemoryBlobImpl.h"
#include "MultipartBlobImpl.h"
#include "mozilla/dom/BlobBinding.h"
#include "mozilla/dom/FileBinding.h"
#include "mozilla/dom/FileCreatorHelper.h"
#include "mozilla/dom/FileSystemUtils.h"
#include "mozilla/dom/Promise.h"
#include "nsIFile.h"
#include "nsContentUtils.h"
#include "nsXULAppAPI.h"
namespace mozilla::dom {
File::File(nsIGlobalObject* aGlobal, BlobImpl* aImpl) : Blob(aGlobal, aImpl) {
MOZ_ASSERT(aImpl->IsFile());
}
File::~File() = default;
/* static */
File* File::Create(nsIGlobalObject* aGlobal, BlobImpl* aImpl) {
MOZ_ASSERT(aImpl);
MOZ_ASSERT(aImpl->IsFile());
MOZ_ASSERT(aGlobal);
if (NS_WARN_IF(!aGlobal)) {
return nullptr;
}
return new File(aGlobal, aImpl);
}
/* static */
already_AddRefed<File> File::CreateMemoryFileWithCustomLastModified(
nsIGlobalObject* aGlobal, void* aMemoryBuffer, uint64_t aLength,
const nsAString& aName, const nsAString& aContentType,
int64_t aLastModifiedDate) {
RefPtr<MemoryBlobImpl> blobImpl =
MemoryBlobImpl::CreateWithCustomLastModified(
aMemoryBuffer, aLength, aName, aContentType, aLastModifiedDate);
MOZ_ASSERT(blobImpl);
RefPtr<File> file = File::Create(aGlobal, blobImpl);
return file.forget();
}
/* static */
already_AddRefed<File> File::CreateMemoryFileWithLastModifiedNow(
nsIGlobalObject* aGlobal, void* aMemoryBuffer, uint64_t aLength,
const nsAString& aName, const nsAString& aContentType) {
MOZ_ASSERT(aGlobal);
RefPtr<MemoryBlobImpl> blobImpl = MemoryBlobImpl::CreateWithLastModifiedNow(
aMemoryBuffer, aLength, aName, aContentType, aGlobal->GetRTPCallerType());
MOZ_ASSERT(blobImpl);
RefPtr<File> file = File::Create(aGlobal, blobImpl);
return file.forget();
}
/* static */
already_AddRefed<File> File::CreateFromFile(nsIGlobalObject* aGlobal,
nsIFile* aFile) {
MOZ_DIAGNOSTIC_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(aGlobal);
if (NS_WARN_IF(!aGlobal)) {
return nullptr;
}
RefPtr<File> file = new File(aGlobal, new FileBlobImpl(aFile));
return file.forget();
}
/* static */
already_AddRefed<File> File::CreateFromFile(nsIGlobalObject* aGlobal,
nsIFile* aFile,
const nsAString& aName,
const nsAString& aContentType) {
MOZ_DIAGNOSTIC_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(aGlobal);
if (NS_WARN_IF(!aGlobal)) {
return nullptr;
}
RefPtr<File> file =
new File(aGlobal, new FileBlobImpl(aFile, aName, aContentType));
return file.forget();
}
JSObject* File::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return File_Binding::Wrap(aCx, this, aGivenProto);
}
void File::GetName(nsAString& aFileName) const { mImpl->GetName(aFileName); }
void File::GetRelativePath(nsAString& aPath) const {
aPath.Truncate();
nsAutoString path;
mImpl->GetDOMPath(path);
// WebkitRelativePath doesn't start with '/'
if (!path.IsEmpty()) {
MOZ_ASSERT(path[0] == FILESYSTEM_DOM_PATH_SEPARATOR_CHAR);
aPath.Assign(Substring(path, 1));
}
}
int64_t File::GetLastModified(ErrorResult& aRv) {
return mImpl->GetLastModified(aRv);
}
void File::GetMozFullPath(nsAString& aFilename,
SystemCallerGuarantee aGuarantee, ErrorResult& aRv) {
mImpl->GetMozFullPath(aFilename, aGuarantee, aRv);
}
void File::GetMozFullPathInternal(nsAString& aFileName, ErrorResult& aRv) {
mImpl->GetMozFullPathInternal(aFileName, aRv);
}
/* static */
already_AddRefed<File> File::Constructor(const GlobalObject& aGlobal,
const Sequence<BlobPart>& aData,
const nsAString& aName,
const FilePropertyBag& aBag,
ErrorResult& aRv) {
RefPtr<MultipartBlobImpl> impl = new MultipartBlobImpl(aName);
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
MOZ_ASSERT(global);
nsAutoString type(aBag.mType);
MakeValidBlobType(type);
impl->InitializeBlob(aData, type, aBag.mEndings == EndingType::Native,
global->GetRTPCallerType(), aRv);
if (aRv.Failed()) {
return nullptr;
}
MOZ_ASSERT(impl->IsFile());
if (aBag.mLastModified.WasPassed()) {
impl->SetLastModified(aBag.mLastModified.Value());
}
RefPtr<File> file = new File(global, impl);
return file.forget();
}
/* static */
already_AddRefed<Promise> File::CreateFromNsIFile(
const GlobalObject& aGlobal, nsIFile* aData,
const ChromeFilePropertyBag& aBag, SystemCallerGuarantee aGuarantee,
ErrorResult& aRv) {
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
MOZ_ASSERT(global);
if (NS_WARN_IF(!global)) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<Promise> promise =
FileCreatorHelper::CreateFile(global, aData, aBag, true, aRv);
return promise.forget();
}
/* static */
already_AddRefed<Promise> File::CreateFromFileName(
const GlobalObject& aGlobal, const nsAString& aPath,
const ChromeFilePropertyBag& aBag, SystemCallerGuarantee aGuarantee,
ErrorResult& aRv) {
nsCOMPtr<nsIFile> file;
aRv = NS_NewLocalFile(aPath, false, getter_AddRefs(file));
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
MOZ_ASSERT(global);
if (NS_WARN_IF(!global)) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<Promise> promise =
FileCreatorHelper::CreateFile(global, file, aBag, false, aRv);
return promise.forget();
}
} // namespace mozilla::dom
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