mozilla
/
gecko-dev
зеркало из https://github.com/mozilla/gecko-dev.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность
gecko-dev/dom/indexedDB/IDBObjectStore.cpp

2719 строки
76 KiB
C++
Исходник Ответственный История

/* -*- 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 "IDBObjectStore.h"
#include "FileInfo.h"
#include "IDBCursor.h"
#include "IDBDatabase.h"
#include "IDBEvents.h"
#include "IDBFactory.h"
#include "IDBIndex.h"
#include "IDBKeyRange.h"
#include "IDBMutableFile.h"
#include "IDBRequest.h"
#include "IDBTransaction.h"
#include "IndexedDatabase.h"
#include "IndexedDatabaseInlines.h"
#include "IndexedDatabaseManager.h"
#include "js/Class.h"
#include "js/Date.h"
#include "js/StructuredClone.h"
#include "KeyPath.h"
#include "mozilla/EndianUtils.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/Move.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/DOMStringList.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/IDBMutableFileBinding.h"
#include "mozilla/dom/BlobBinding.h"
#include "mozilla/dom/IDBObjectStoreBinding.h"
#include "mozilla/dom/MemoryBlobImpl.h"
#include "mozilla/dom/StreamBlobImpl.h"
#include "mozilla/dom/StructuredCloneHolder.h"
#include "mozilla/dom/StructuredCloneTags.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBSharedTypes.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
#include "nsCOMPtr.h"
#include "nsQueryObject.h"
#include "nsStreamUtils.h"
#include "nsStringStream.h"
#include "ProfilerHelpers.h"
#include "ReportInternalError.h"
#include "WorkerPrivate.h"
#include "WorkerScope.h"
// Include this last to avoid path problems on Windows.
#include "ActorsChild.h"
namespace mozilla {
namespace dom {
using namespace mozilla::dom::indexedDB;
using namespace mozilla::dom::quota;
using namespace mozilla::dom::workers;
using namespace mozilla::ipc;
struct IDBObjectStore::StructuredCloneWriteInfo
{
JSAutoStructuredCloneBuffer mCloneBuffer;
nsTArray<StructuredCloneFile> mFiles;
IDBDatabase* mDatabase;
uint64_t mOffsetToKeyProp;
explicit StructuredCloneWriteInfo(IDBDatabase* aDatabase)
: mCloneBuffer(JS::StructuredCloneScope::SameProcessSameThread, nullptr,
nullptr)
, mDatabase(aDatabase)
, mOffsetToKeyProp(0)
{
MOZ_ASSERT(aDatabase);
MOZ_COUNT_CTOR(StructuredCloneWriteInfo);
}
StructuredCloneWriteInfo(StructuredCloneWriteInfo&& aCloneWriteInfo)
: mCloneBuffer(Move(aCloneWriteInfo.mCloneBuffer))
, mDatabase(aCloneWriteInfo.mDatabase)
, mOffsetToKeyProp(aCloneWriteInfo.mOffsetToKeyProp)
{
MOZ_ASSERT(mDatabase);
MOZ_COUNT_CTOR(StructuredCloneWriteInfo);
mFiles.SwapElements(aCloneWriteInfo.mFiles);
aCloneWriteInfo.mOffsetToKeyProp = 0;
}
~StructuredCloneWriteInfo()
{
MOZ_COUNT_DTOR(StructuredCloneWriteInfo);
}
};
namespace {
struct MOZ_STACK_CLASS MutableFileData final
{
nsString type;
nsString name;
MutableFileData()
{
MOZ_COUNT_CTOR(MutableFileData);
}
~MutableFileData()
{
MOZ_COUNT_DTOR(MutableFileData);
}
};
struct MOZ_STACK_CLASS BlobOrFileData final
{
uint32_t tag;
uint64_t size;
nsString type;
nsString name;
int64_t lastModifiedDate;
BlobOrFileData()
: tag(0)
, size(0)
, lastModifiedDate(INT64_MAX)
{
MOZ_COUNT_CTOR(BlobOrFileData);
}
~BlobOrFileData()
{
MOZ_COUNT_DTOR(BlobOrFileData);
}
};
struct MOZ_STACK_CLASS WasmModuleData final
{
uint32_t bytecodeIndex;
uint32_t compiledIndex;
uint32_t flags;
explicit WasmModuleData(uint32_t aFlags)
: bytecodeIndex(0)
, compiledIndex(0)
, flags(aFlags)
{
MOZ_COUNT_CTOR(WasmModuleData);
}
~WasmModuleData()
{
MOZ_COUNT_DTOR(WasmModuleData);
}
};
struct MOZ_STACK_CLASS GetAddInfoClosure final
{
IDBObjectStore::StructuredCloneWriteInfo& mCloneWriteInfo;
JS::Handle<JS::Value> mValue;
GetAddInfoClosure(IDBObjectStore::StructuredCloneWriteInfo& aCloneWriteInfo,
JS::Handle<JS::Value> aValue)
: mCloneWriteInfo(aCloneWriteInfo)
, mValue(aValue)
{
MOZ_COUNT_CTOR(GetAddInfoClosure);
}
~GetAddInfoClosure()
{
MOZ_COUNT_DTOR(GetAddInfoClosure);
}
};
already_AddRefed<IDBRequest>
GenerateRequest(JSContext* aCx, IDBObjectStore* aObjectStore)
{
MOZ_ASSERT(aObjectStore);
aObjectStore->AssertIsOnOwningThread();
IDBTransaction* transaction = aObjectStore->Transaction();
RefPtr<IDBRequest> request =
IDBRequest::Create(aCx, aObjectStore, transaction->Database(), transaction);
MOZ_ASSERT(request);
return request.forget();
}
// Blob internal code clones this stream before it's passed to IPC, so we
// serialize module's optimized code only when AsyncWait() is called.
class WasmCompiledModuleStream final
: public nsIAsyncInputStream
, public nsICloneableInputStream
, private JS::WasmModuleListener
{
nsCOMPtr<nsISerialEventTarget> mOwningThread;
// Initially and while waiting for compilation to complete, the mModule field
// is non-null, keeping alive the module whose code needs to be serialized.
RefPtr<JS::WasmModule> mModule;
// A module stream can have up to one input stream callback.
nsCOMPtr<nsIInputStreamCallback> mCallback;
// When a module's optimized code is ready to be serialized, it will be
// serialized into mStream and the mModule will be released. At this point,
// stream reads will succeed.
nsCOMPtr<nsIInputStream> mStream;
// When the stream is finished reading or closed, mStatus will be changed from
// NS_OK to NS_BASE_STREAM_CLOSED or whatever status was passed to
// CloseWithStatus.
nsresult mStatus;
public:
explicit WasmCompiledModuleStream(JS::WasmModule* aModule)
: mOwningThread(GetCurrentThreadSerialEventTarget())
, mModule(aModule)
, mStatus(NS_OK)
{
AssertIsOnOwningThread();
MOZ_ASSERT(aModule);
}
bool
IsOnOwningThread() const
{
MOZ_ASSERT(mOwningThread);
bool current;
return NS_SUCCEEDED(mOwningThread->IsOnCurrentThread(&current)) && current;
}
void
AssertIsOnOwningThread() const
{
MOZ_ASSERT(IsOnOwningThread());
}
private:
// Copy constructor for cloning.
explicit WasmCompiledModuleStream(const WasmCompiledModuleStream& aOther)
: mOwningThread(aOther.mOwningThread)
, mModule(aOther.mModule)
, mStatus(aOther.mStatus)
{
AssertIsOnOwningThread();
if (aOther.mStream) {
nsCOMPtr<nsICloneableInputStream> cloneableStream =
do_QueryInterface(aOther.mStream);
MOZ_ASSERT(cloneableStream);
MOZ_ALWAYS_SUCCEEDS(cloneableStream->Clone(getter_AddRefs(mStream)));
}
}
~WasmCompiledModuleStream() override
{
AssertIsOnOwningThread();
MOZ_ALWAYS_SUCCEEDS(Close());
}
void
CallCallback()
{
AssertIsOnOwningThread();
MOZ_ASSERT(mCallback);
nsCOMPtr<nsIInputStreamCallback> callback;
callback.swap(mCallback);
callback->OnInputStreamReady(this);
}
NS_DECL_THREADSAFE_ISUPPORTS
// nsIInputStream:
NS_IMETHOD
Close() override
{
AssertIsOnOwningThread();
return CloseWithStatus(NS_BASE_STREAM_CLOSED);
}
NS_IMETHOD
Available(uint64_t* _retval) override
{
AssertIsOnOwningThread();
if (NS_FAILED(mStatus)) {
return mStatus;
}
if (!mStream) {
*_retval = 0;
return NS_OK;
}
return mStream->Available(_retval);
}
NS_IMETHOD
Read(char* aBuf, uint32_t aCount, uint32_t* _retval) override
{
AssertIsOnOwningThread();
return ReadSegments(NS_CopySegmentToBuffer, aBuf, aCount, _retval);
}
NS_IMETHOD
ReadSegments(nsWriteSegmentFun aWriter,
void* aClosure,
uint32_t aCount,
uint32_t* _retval) override
{
AssertIsOnOwningThread();
if (NS_FAILED(mStatus)) {
*_retval = 0;
return NS_OK;
}
if (!mStream) {
return NS_BASE_STREAM_WOULD_BLOCK;
}
return mStream->ReadSegments(aWriter, aClosure, aCount, _retval);
}
NS_IMETHOD
IsNonBlocking(bool* _retval) override
{
AssertIsOnOwningThread();
*_retval = true;
return NS_OK;
}
// nsIAsyncInputStream:
NS_IMETHOD
CloseWithStatus(nsresult aStatus) override
{
AssertIsOnOwningThread();
if (NS_FAILED(mStatus)) {
return NS_OK;
}
mModule = nullptr;
if (mStream) {
MOZ_ALWAYS_SUCCEEDS(mStream->Close());
mStream = nullptr;
}
mStatus = NS_FAILED(aStatus) ? aStatus : NS_BASE_STREAM_CLOSED;
if (mCallback) {
CallCallback();
}
return NS_OK;
}
NS_IMETHOD
AsyncWait(nsIInputStreamCallback* aCallback,
uint32_t aFlags,
uint32_t aRequestedCount,
nsIEventTarget* aEventTarget) override
{
AssertIsOnOwningThread();
MOZ_ASSERT_IF(mCallback, !aCallback);
if (aFlags) {
return NS_ERROR_NOT_IMPLEMENTED;
}
if (!aCallback) {
mCallback = nullptr;
return NS_OK;
}
if (aEventTarget) {
mCallback =
NS_NewInputStreamReadyEvent("WasmCompiledModuleStream::AsyncWait",
aCallback,
aEventTarget);
} else {
mCallback = aCallback;
}
if (NS_FAILED(mStatus) || mStream) {
CallCallback();
return NS_OK;
}
MOZ_ASSERT(mModule);
mModule->notifyWhenCompilationComplete(this);
return NS_OK;
}
// nsICloneableInputStream:
NS_IMETHOD
GetCloneable(bool* aCloneable) override
{
AssertIsOnOwningThread();
*aCloneable = true;
return NS_OK;
}
NS_IMETHOD
Clone(nsIInputStream** _retval) override
{
AssertIsOnOwningThread();
nsCOMPtr<nsIInputStream> clone = new WasmCompiledModuleStream(*this);
clone.forget(_retval);
return NS_OK;
}
// JS::WasmModuleListener:
void
onCompilationComplete() override
{
if (!IsOnOwningThread()) {
MOZ_ALWAYS_SUCCEEDS(mOwningThread->Dispatch(NewCancelableRunnableMethod(
"WasmCompiledModuleStream::onCompilationComplete",
this,
&WasmCompiledModuleStream::onCompilationComplete)));
return;
}
if (NS_FAILED(mStatus) || !mCallback) {
return;
}
MOZ_ASSERT(mModule);
size_t compiledSize = mModule->compiledSerializedSize();
nsCString compiled;
compiled.SetLength(compiledSize);
mModule->compiledSerialize(
reinterpret_cast<uint8_t*>(compiled.BeginWriting()), compiledSize);
MOZ_ALWAYS_SUCCEEDS(NS_NewCStringInputStream(getter_AddRefs(mStream),
compiled));
mModule = nullptr;
CallCallback();
}
};
NS_IMPL_ISUPPORTS(WasmCompiledModuleStream,
nsIInputStream,
nsIAsyncInputStream,
nsICloneableInputStream)
bool
StructuredCloneWriteCallback(JSContext* aCx,
JSStructuredCloneWriter* aWriter,
JS::Handle<JSObject*> aObj,
void* aClosure)
{
MOZ_ASSERT(aCx);
MOZ_ASSERT(aWriter);
MOZ_ASSERT(aClosure);
auto* cloneWriteInfo =
static_cast<IDBObjectStore::StructuredCloneWriteInfo*>(aClosure);
if (JS_GetClass(aObj) == IDBObjectStore::DummyPropClass()) {
MOZ_ASSERT(!cloneWriteInfo->mOffsetToKeyProp);
cloneWriteInfo->mOffsetToKeyProp = js::GetSCOffset(aWriter);
uint64_t value = 0;
// Omit endian swap
return JS_WriteBytes(aWriter, &value, sizeof(value));
}
// UNWRAP_OBJECT calls might mutate this.
JS::Rooted<JSObject*> obj(aCx, aObj);
IDBMutableFile* mutableFile;
if (NS_SUCCEEDED(UNWRAP_OBJECT(IDBMutableFile, &obj, mutableFile))) {
if (cloneWriteInfo->mDatabase->IsFileHandleDisabled()) {
return false;
}
IDBDatabase* database = mutableFile->Database();
MOZ_ASSERT(database);
// Throw when trying to store IDBMutableFile objects that live in a
// different database.
if (database != cloneWriteInfo->mDatabase) {
MOZ_ASSERT(!SameCOMIdentity(database, cloneWriteInfo->mDatabase));
if (database->Name() != cloneWriteInfo->mDatabase->Name()) {
return false;
}
nsCString fileOrigin, databaseOrigin;
PersistenceType filePersistenceType, databasePersistenceType;
if (NS_WARN_IF(NS_FAILED(database->GetQuotaInfo(fileOrigin,
&filePersistenceType)))) {
return false;
}
if (NS_WARN_IF(NS_FAILED(cloneWriteInfo->mDatabase->GetQuotaInfo(
databaseOrigin,
&databasePersistenceType)))) {
return false;
}
if (filePersistenceType != databasePersistenceType ||
fileOrigin != databaseOrigin) {
return false;
}
}
if (cloneWriteInfo->mFiles.Length() > size_t(UINT32_MAX)) {
MOZ_ASSERT(false, "Fix the structured clone data to use a bigger type!");
return false;
}
const uint32_t index = cloneWriteInfo->mFiles.Length();
NS_ConvertUTF16toUTF8 convType(mutableFile->Type());
uint32_t convTypeLength =
NativeEndian::swapToLittleEndian(convType.Length());
NS_ConvertUTF16toUTF8 convName(mutableFile->Name());
uint32_t convNameLength =
NativeEndian::swapToLittleEndian(convName.Length());
if (!JS_WriteUint32Pair(aWriter, SCTAG_DOM_MUTABLEFILE, uint32_t(index)) ||
!JS_WriteBytes(aWriter, &convTypeLength, sizeof(uint32_t)) ||
!JS_WriteBytes(aWriter, convType.get(), convType.Length()) ||
!JS_WriteBytes(aWriter, &convNameLength, sizeof(uint32_t)) ||
!JS_WriteBytes(aWriter, convName.get(), convName.Length())) {
return false;
}
StructuredCloneFile* newFile = cloneWriteInfo->mFiles.AppendElement();
newFile->mMutableFile = mutableFile;
newFile->mType = StructuredCloneFile::eMutableFile;
return true;
}
{
Blob* blob = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(Blob, &obj, blob))) {
ErrorResult rv;
uint64_t size = blob->GetSize(rv);
MOZ_ASSERT(!rv.Failed());
size = NativeEndian::swapToLittleEndian(size);
nsString type;
blob->GetType(type);
NS_ConvertUTF16toUTF8 convType(type);
uint32_t convTypeLength =
NativeEndian::swapToLittleEndian(convType.Length());
if (cloneWriteInfo->mFiles.Length() > size_t(UINT32_MAX)) {
MOZ_ASSERT(false,
"Fix the structured clone data to use a bigger type!");
return false;
}
const uint32_t index = cloneWriteInfo->mFiles.Length();
if (!JS_WriteUint32Pair(aWriter,
blob->IsFile() ? SCTAG_DOM_FILE : SCTAG_DOM_BLOB,
index) ||
!JS_WriteBytes(aWriter, &size, sizeof(size)) ||
!JS_WriteBytes(aWriter, &convTypeLength, sizeof(convTypeLength)) ||
!JS_WriteBytes(aWriter, convType.get(), convType.Length())) {
return false;
}
RefPtr<File> file = blob->ToFile();
if (file) {
ErrorResult rv;
int64_t lastModifiedDate = file->GetLastModified(rv);
MOZ_ALWAYS_TRUE(!rv.Failed());
lastModifiedDate = NativeEndian::swapToLittleEndian(lastModifiedDate);
nsString name;
file->GetName(name);
NS_ConvertUTF16toUTF8 convName(name);
uint32_t convNameLength =
NativeEndian::swapToLittleEndian(convName.Length());
if (!JS_WriteBytes(aWriter, &lastModifiedDate, sizeof(lastModifiedDate)) ||
!JS_WriteBytes(aWriter, &convNameLength, sizeof(convNameLength)) ||
!JS_WriteBytes(aWriter, convName.get(), convName.Length())) {
return false;
}
}
StructuredCloneFile* newFile = cloneWriteInfo->mFiles.AppendElement();
newFile->mBlob = blob;
newFile->mType = StructuredCloneFile::eBlob;
return true;
}
}
if (JS::IsWasmModuleObject(aObj)) {
RefPtr<JS::WasmModule> module = JS::GetWasmModule(aObj);
MOZ_ASSERT(module);
size_t bytecodeSize = module->bytecodeSerializedSize();
UniquePtr<uint8_t[]> bytecode(new uint8_t[bytecodeSize]);
module->bytecodeSerialize(bytecode.get(), bytecodeSize);
RefPtr<BlobImpl> blobImpl =
new MemoryBlobImpl(bytecode.release(), bytecodeSize, EmptyString());
RefPtr<Blob> bytecodeBlob = Blob::Create(nullptr, blobImpl);
if (module->compilationComplete()) {
size_t compiledSize = module->compiledSerializedSize();
UniquePtr<uint8_t[]> compiled(new uint8_t[compiledSize]);
module->compiledSerialize(compiled.get(), compiledSize);
blobImpl =
new MemoryBlobImpl(compiled.release(), compiledSize, EmptyString());
} else {
nsCOMPtr<nsIInputStream> stream(new WasmCompiledModuleStream(module));
blobImpl = StreamBlobImpl::Create(stream, EmptyString(), UINT64_MAX);
}
RefPtr<Blob> compiledBlob = Blob::Create(nullptr, blobImpl);
if (cloneWriteInfo->mFiles.Length() + 1 > size_t(UINT32_MAX)) {
MOZ_ASSERT(false, "Fix the structured clone data to use a bigger type!");
return false;
}
const uint32_t index = cloneWriteInfo->mFiles.Length();
// The ordering of the bytecode and compiled file is significant and must
// never be changed. These two files must always form a pair
// [eWasmBytecode, eWasmCompiled]. Everything else depends on it!
if (!JS_WriteUint32Pair(aWriter, SCTAG_DOM_WASM, /* flags */ 0) ||
!JS_WriteUint32Pair(aWriter, index, index + 1)) {
return false;
}
StructuredCloneFile* newFile = cloneWriteInfo->mFiles.AppendElement();
newFile->mBlob = bytecodeBlob;
newFile->mType = StructuredCloneFile::eWasmBytecode;
newFile = cloneWriteInfo->mFiles.AppendElement();
newFile->mBlob = compiledBlob;
newFile->mType = StructuredCloneFile::eWasmCompiled;
return true;
}
return StructuredCloneHolder::WriteFullySerializableObjects(aCx, aWriter, aObj);
}
nsresult
GetAddInfoCallback(JSContext* aCx, void* aClosure)
{
static const JSStructuredCloneCallbacks kStructuredCloneCallbacks = {
nullptr /* read */,
StructuredCloneWriteCallback /* write */,
nullptr /* reportError */,
nullptr /* readTransfer */,
nullptr /* writeTransfer */,
nullptr /* freeTransfer */
};
MOZ_ASSERT(aCx);
auto* data = static_cast<GetAddInfoClosure*>(aClosure);
MOZ_ASSERT(data);
data->mCloneWriteInfo.mOffsetToKeyProp = 0;
if (!data->mCloneWriteInfo.mCloneBuffer.write(aCx,
data->mValue,
&kStructuredCloneCallbacks,
&data->mCloneWriteInfo)) {
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
return NS_OK;
}
bool
ResolveMysteryMutableFile(IDBMutableFile* aMutableFile,
const nsString& aName,
const nsString& aType)
{
MOZ_ASSERT(aMutableFile);
aMutableFile->SetLazyData(aName, aType);
return true;
}
bool
StructuredCloneReadString(JSStructuredCloneReader* aReader,
nsCString& aString)
{
uint32_t length;
if (!JS_ReadBytes(aReader, &length, sizeof(uint32_t))) {
NS_WARNING("Failed to read length!");
return false;
}
length = NativeEndian::swapFromLittleEndian(length);
if (!aString.SetLength(length, fallible)) {
NS_WARNING("Out of memory?");
return false;
}
char* buffer = aString.BeginWriting();
if (!JS_ReadBytes(aReader, buffer, length)) {
NS_WARNING("Failed to read type!");
return false;
}
return true;
}
bool
ReadFileHandle(JSStructuredCloneReader* aReader,
MutableFileData* aRetval)
{
static_assert(SCTAG_DOM_MUTABLEFILE == 0xFFFF8004, "Update me!");
MOZ_ASSERT(aReader && aRetval);
nsCString type;
if (!StructuredCloneReadString(aReader, type)) {
return false;
}
CopyUTF8toUTF16(type, aRetval->type);
nsCString name;
if (!StructuredCloneReadString(aReader, name)) {
return false;
}
CopyUTF8toUTF16(name, aRetval->name);
return true;
}
bool
ReadBlobOrFile(JSStructuredCloneReader* aReader,
uint32_t aTag,
BlobOrFileData* aRetval)
{
static_assert(SCTAG_DOM_BLOB == 0xffff8001 &&
SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE == 0xffff8002 &&
SCTAG_DOM_FILE == 0xffff8005,
"Update me!");
MOZ_ASSERT(aReader);
MOZ_ASSERT(aTag == SCTAG_DOM_FILE ||
aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aTag == SCTAG_DOM_BLOB);
MOZ_ASSERT(aRetval);
aRetval->tag = aTag;
uint64_t size;
if (NS_WARN_IF(!JS_ReadBytes(aReader, &size, sizeof(uint64_t)))) {
return false;
}
aRetval->size = NativeEndian::swapFromLittleEndian(size);
nsCString type;
if (NS_WARN_IF(!StructuredCloneReadString(aReader, type))) {
return false;
}
CopyUTF8toUTF16(type, aRetval->type);
// Blobs are done.
if (aTag == SCTAG_DOM_BLOB) {
return true;
}
MOZ_ASSERT(aTag == SCTAG_DOM_FILE ||
aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE);
int64_t lastModifiedDate;
if (aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE) {
lastModifiedDate = INT64_MAX;
} else {
if (NS_WARN_IF(!JS_ReadBytes(aReader, &lastModifiedDate,
sizeof(lastModifiedDate)))) {
return false;
}
lastModifiedDate = NativeEndian::swapFromLittleEndian(lastModifiedDate);
}
aRetval->lastModifiedDate = lastModifiedDate;
nsCString name;
if (NS_WARN_IF(!StructuredCloneReadString(aReader, name))) {
return false;
}
CopyUTF8toUTF16(name, aRetval->name);
return true;
}
bool
ReadWasmModule(JSStructuredCloneReader* aReader,
WasmModuleData* aRetval)
{
static_assert(SCTAG_DOM_WASM == 0xFFFF8006, "Update me!");
MOZ_ASSERT(aReader && aRetval);
uint32_t bytecodeIndex;
uint32_t compiledIndex;
if (NS_WARN_IF(!JS_ReadUint32Pair(aReader,
&bytecodeIndex,
&compiledIndex))) {
return false;
}
aRetval->bytecodeIndex = bytecodeIndex;
aRetval->compiledIndex = compiledIndex;
return true;
}
class ValueDeserializationHelper
{
public:
static bool
CreateAndWrapMutableFile(JSContext* aCx,
StructuredCloneFile& aFile,
const MutableFileData& aData,
JS::MutableHandle<JSObject*> aResult)
{
MOZ_ASSERT(aCx);
MOZ_ASSERT(aFile.mType == StructuredCloneFile::eMutableFile);
if (!aFile.mMutableFile || !NS_IsMainThread()) {
return false;
}
if (NS_WARN_IF(!ResolveMysteryMutableFile(aFile.mMutableFile,
aData.name,
aData.type))) {
return false;
}
JS::Rooted<JS::Value> wrappedMutableFile(aCx);
if (!ToJSValue(aCx, aFile.mMutableFile, &wrappedMutableFile)) {
return false;
}
aResult.set(&wrappedMutableFile.toObject());
return true;
}
static bool
CreateAndWrapBlobOrFile(JSContext* aCx,
IDBDatabase* aDatabase,
StructuredCloneFile& aFile,
const BlobOrFileData& aData,
JS::MutableHandle<JSObject*> aResult)
{
MOZ_ASSERT(aCx);
MOZ_ASSERT(aData.tag == SCTAG_DOM_FILE ||
aData.tag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aData.tag == SCTAG_DOM_BLOB);
MOZ_ASSERT(aFile.mType == StructuredCloneFile::eBlob);
MOZ_ASSERT(aFile.mBlob);
// It can happen that this IDB is chrome code, so there is no parent, but
// still we want to set a correct parent for the new File object.
nsCOMPtr<nsISupports> parent;
if (NS_IsMainThread()) {
if (aDatabase && aDatabase->GetParentObject()) {
parent = aDatabase->GetParentObject();
} else {
parent = xpc::NativeGlobal(JS::CurrentGlobalOrNull(aCx));
}
} else {
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
WorkerGlobalScope* globalScope = workerPrivate->GlobalScope();
MOZ_ASSERT(globalScope);
parent = do_QueryObject(globalScope);
}
MOZ_ASSERT(parent);
if (aData.tag == SCTAG_DOM_BLOB) {
aFile.mBlob->Impl()->SetLazyData(
VoidString(), aData.type, aData.size, INT64_MAX);
MOZ_ASSERT(!aFile.mBlob->IsFile());
// ActorsParent sends here a kind of half blob and half file wrapped into
// a DOM File object. DOM File and DOM Blob are a WebIDL wrapper around a
// BlobImpl object. SetLazyData() has just changed the BlobImpl to be a
// Blob (see the previous assert), but 'aFile.mBlob' still has the WebIDL
// DOM File wrapping.
// Before exposing it to content, we must recreate a DOM Blob object.
RefPtr<Blob> blob =
Blob::Create(aFile.mBlob->GetParentObject(), aFile.mBlob->Impl());
MOZ_ASSERT(blob);
JS::Rooted<JS::Value> wrappedBlob(aCx);
if (!ToJSValue(aCx, blob, &wrappedBlob)) {
return false;
}
aResult.set(&wrappedBlob.toObject());
return true;
}
aFile.mBlob->Impl()->SetLazyData(
aData.name, aData.type, aData.size,
aData.lastModifiedDate * PR_USEC_PER_MSEC);
MOZ_ASSERT(aFile.mBlob->IsFile());
RefPtr<File> file = aFile.mBlob->ToFile();
MOZ_ASSERT(file);
JS::Rooted<JS::Value> wrappedFile(aCx);
if (!ToJSValue(aCx, file, &wrappedFile)) {
return false;
}
aResult.set(&wrappedFile.toObject());
return true;
}
static bool
CreateAndWrapWasmModule(JSContext* aCx,
StructuredCloneFile& aFile,
const WasmModuleData& aData,
JS::MutableHandle<JSObject*> aResult)
{
MOZ_ASSERT(aCx);
MOZ_ASSERT(aFile.mType == StructuredCloneFile::eWasmCompiled);
MOZ_ASSERT(!aFile.mBlob);
MOZ_ASSERT(aFile.mWasmModule);
JS::Rooted<JSObject*> moduleObj(aCx, aFile.mWasmModule->createObject(aCx));
if (NS_WARN_IF(!moduleObj)) {
return false;
}
aResult.set(moduleObj);
return true;
}
};
class IndexDeserializationHelper
{
public:
static bool
CreateAndWrapMutableFile(JSContext* aCx,
StructuredCloneFile& aFile,
const MutableFileData& aData,
JS::MutableHandle<JSObject*> aResult)
{
// MutableFile can't be used in index creation, so just make a dummy object.
JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
if (NS_WARN_IF(!obj)) {
return false;
}
aResult.set(obj);
return true;
}
static bool
CreateAndWrapBlobOrFile(JSContext* aCx,
IDBDatabase* aDatabase,
StructuredCloneFile& aFile,
const BlobOrFileData& aData,
JS::MutableHandle<JSObject*> aResult)
{
MOZ_ASSERT(aData.tag == SCTAG_DOM_FILE ||
aData.tag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aData.tag == SCTAG_DOM_BLOB);
// The following properties are available for use in index creation
// Blob.size
// Blob.type
// File.name
// File.lastModifiedDate
JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
if (NS_WARN_IF(!obj)) {
return false;
}
// Technically these props go on the proto, but this detail won't change
// the results of index creation.
JS::Rooted<JSString*> type(aCx,
JS_NewUCStringCopyN(aCx, aData.type.get(), aData.type.Length()));
if (NS_WARN_IF(!type)) {
return false;
}
if (NS_WARN_IF(!JS_DefineProperty(aCx,
obj,
"size",
double(aData.size),
0))) {
return false;
}
if (NS_WARN_IF(!JS_DefineProperty(aCx, obj, "type", type, 0))) {
return false;
}
if (aData.tag == SCTAG_DOM_BLOB) {
aResult.set(obj);
return true;
}
JS::Rooted<JSString*> name(aCx,
JS_NewUCStringCopyN(aCx, aData.name.get(), aData.name.Length()));
if (NS_WARN_IF(!name)) {
return false;
}
JS::ClippedTime time = JS::TimeClip(aData.lastModifiedDate);
JS::Rooted<JSObject*> date(aCx, JS::NewDateObject(aCx, time));
if (NS_WARN_IF(!date)) {
return false;
}
if (NS_WARN_IF(!JS_DefineProperty(aCx, obj, "name", name, 0))) {
return false;
}
if (NS_WARN_IF(!JS_DefineProperty(aCx, obj, "lastModifiedDate", date, 0))) {
return false;
}
aResult.set(obj);
return true;
}
static bool
CreateAndWrapWasmModule(JSContext* aCx,
StructuredCloneFile& aFile,
const WasmModuleData& aData,
JS::MutableHandle<JSObject*> aResult)
{
// Wasm module can't be used in index creation, so just make a dummy object.
JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
if (NS_WARN_IF(!obj)) {
return false;
}
aResult.set(obj);
return true;
}
};
// We don't need to upgrade database on B2G. See the comment in ActorsParent.cpp,
// UpgradeSchemaFrom18_0To19_0()
class UpgradeDeserializationHelper
{
public:
static bool
CreateAndWrapMutableFile(JSContext* aCx,
StructuredCloneFile& aFile,
const MutableFileData& aData,
JS::MutableHandle<JSObject*> aResult)
{
MOZ_ASSERT(aCx);
MOZ_ASSERT(aFile.mType == StructuredCloneFile::eBlob);
aFile.mType = StructuredCloneFile::eMutableFile;
// Just make a dummy object. The file_ids upgrade function is only
// interested in the |mType| flag.
JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
if (NS_WARN_IF(!obj)) {
return false;
}
aResult.set(obj);
return true;
}
static bool
CreateAndWrapBlobOrFile(JSContext* aCx,
IDBDatabase* aDatabase,
StructuredCloneFile& aFile,
const BlobOrFileData& aData,
JS::MutableHandle<JSObject*> aResult)
{
MOZ_ASSERT(aCx);
MOZ_ASSERT(aFile.mType == StructuredCloneFile::eBlob);
MOZ_ASSERT(aData.tag == SCTAG_DOM_FILE ||
aData.tag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aData.tag == SCTAG_DOM_BLOB);
// Just make a dummy object. The file_ids upgrade function is only interested
// in the |mType| flag.
JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
if (NS_WARN_IF(!obj)) {
return false;
}
aResult.set(obj);
return true;
}
static bool
CreateAndWrapWasmModule(JSContext* aCx,
StructuredCloneFile& aFile,
const WasmModuleData& aData,
JS::MutableHandle<JSObject*> aResult)
{
MOZ_ASSERT(aCx);
MOZ_ASSERT(aFile.mType == StructuredCloneFile::eBlob);
MOZ_ASSERT(false, "This should never be possible!");
return false;
}
};
template <class Traits>
JSObject*
CommonStructuredCloneReadCallback(JSContext* aCx,
JSStructuredCloneReader* aReader,
uint32_t aTag,
uint32_t aData,
void* aClosure)
{
// We need to statically assert that our tag values are what we expect
// so that if people accidentally change them they notice.
static_assert(SCTAG_DOM_BLOB == 0xffff8001 &&
SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE == 0xffff8002 &&
SCTAG_DOM_MUTABLEFILE == 0xffff8004 &&
SCTAG_DOM_FILE == 0xffff8005 &&
SCTAG_DOM_WASM == 0xffff8006,
"You changed our structured clone tag values and just ate "
"everyone's IndexedDB data. I hope you are happy.");
if (aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aTag == SCTAG_DOM_BLOB ||
aTag == SCTAG_DOM_FILE ||
aTag == SCTAG_DOM_MUTABLEFILE ||
aTag == SCTAG_DOM_WASM) {
auto* cloneReadInfo = static_cast<StructuredCloneReadInfo*>(aClosure);
JS::Rooted<JSObject*> result(aCx);
if (aTag == SCTAG_DOM_WASM) {
WasmModuleData data(aData);
if (NS_WARN_IF(!ReadWasmModule(aReader, &data))) {
return nullptr;
}
MOZ_ASSERT(data.compiledIndex == data.bytecodeIndex + 1);
MOZ_ASSERT(!data.flags);
if (data.bytecodeIndex >= cloneReadInfo->mFiles.Length() ||
data.compiledIndex >= cloneReadInfo->mFiles.Length()) {
MOZ_ASSERT(false, "Bad index value!");
return nullptr;
}
StructuredCloneFile& file = cloneReadInfo->mFiles[data.compiledIndex];
if (NS_WARN_IF(!Traits::CreateAndWrapWasmModule(aCx,
file,
data,
&result))) {
return nullptr;
}
return result;
}
if (aData >= cloneReadInfo->mFiles.Length()) {
MOZ_ASSERT(false, "Bad index value!");
return nullptr;
}
StructuredCloneFile& file = cloneReadInfo->mFiles[aData];
if (aTag == SCTAG_DOM_MUTABLEFILE) {
MutableFileData data;
if (NS_WARN_IF(!ReadFileHandle(aReader, &data))) {
return nullptr;
}
if (NS_WARN_IF(!Traits::CreateAndWrapMutableFile(aCx,
file,
data,
&result))) {
return nullptr;
}
return result;
}
BlobOrFileData data;
if (NS_WARN_IF(!ReadBlobOrFile(aReader, aTag, &data))) {
return nullptr;
}
if (NS_WARN_IF(!Traits::CreateAndWrapBlobOrFile(aCx,
cloneReadInfo->mDatabase,
file,
data,
&result))) {
return nullptr;
}
return result;
}
return StructuredCloneHolder::ReadFullySerializableObjects(aCx, aReader,
aTag);
}
} // namespace
const JSClass IDBObjectStore::sDummyPropJSClass = {
"IDBObjectStore Dummy",
0 /* flags */
};
IDBObjectStore::IDBObjectStore(IDBTransaction* aTransaction,
const ObjectStoreSpec* aSpec)
: mTransaction(aTransaction)
, mCachedKeyPath(JS::UndefinedValue())
, mSpec(aSpec)
, mId(aSpec->metadata().id())
, mRooted(false)
{
MOZ_ASSERT(aTransaction);
aTransaction->AssertIsOnOwningThread();
MOZ_ASSERT(aSpec);
}
IDBObjectStore::~IDBObjectStore()
{
AssertIsOnOwningThread();
if (mRooted) {
mCachedKeyPath.setUndefined();
mozilla::DropJSObjects(this);
}
}
// static
already_AddRefed<IDBObjectStore>
IDBObjectStore::Create(IDBTransaction* aTransaction,
const ObjectStoreSpec& aSpec)
{
MOZ_ASSERT(aTransaction);
aTransaction->AssertIsOnOwningThread();
RefPtr<IDBObjectStore> objectStore =
new IDBObjectStore(aTransaction, &aSpec);
return objectStore.forget();
}
// static
nsresult
IDBObjectStore::AppendIndexUpdateInfo(
int64_t aIndexID,
const KeyPath& aKeyPath,
bool aUnique,
bool aMultiEntry,
const nsCString& aLocale,
JSContext* aCx,
JS::Handle<JS::Value> aVal,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray)
{
nsresult rv;
const bool localeAware = !aLocale.IsEmpty();
if (!aMultiEntry) {
Key key;
rv = aKeyPath.ExtractKey(aCx, aVal, key);
// If an index's keyPath doesn't match an object, we ignore that object.
if (rv == NS_ERROR_DOM_INDEXEDDB_DATA_ERR || key.IsUnset()) {
return NS_OK;
}
if (NS_FAILED(rv)) {
return rv;
}
IndexUpdateInfo* updateInfo = aUpdateInfoArray.AppendElement();
updateInfo->indexId() = aIndexID;
updateInfo->value() = key;
if (localeAware) {
rv = key.ToLocaleBasedKey(updateInfo->localizedValue(), aLocale);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
}
return NS_OK;
}
JS::Rooted<JS::Value> val(aCx);
if (NS_FAILED(aKeyPath.ExtractKeyAsJSVal(aCx, aVal, val.address()))) {
return NS_OK;
}
bool isArray;
if (!JS_IsArrayObject(aCx, val, &isArray)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (isArray) {
JS::Rooted<JSObject*> array(aCx, &val.toObject());
uint32_t arrayLength;
if (NS_WARN_IF(!JS_GetArrayLength(aCx, array, &arrayLength))) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
for (uint32_t arrayIndex = 0; arrayIndex < arrayLength; arrayIndex++) {
JS::Rooted<JS::Value> arrayItem(aCx);
if (NS_WARN_IF(!JS_GetElement(aCx, array, arrayIndex, &arrayItem))) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
Key value;
if (NS_FAILED(value.SetFromJSVal(aCx, arrayItem)) ||
value.IsUnset()) {
// Not a value we can do anything with, ignore it.
continue;
}
IndexUpdateInfo* updateInfo = aUpdateInfoArray.AppendElement();
updateInfo->indexId() = aIndexID;
updateInfo->value() = value;
if (localeAware) {
rv = value.ToLocaleBasedKey(updateInfo->localizedValue(), aLocale);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
}
}
}
else {
Key value;
if (NS_FAILED(value.SetFromJSVal(aCx, val)) ||
value.IsUnset()) {
// Not a value we can do anything with, ignore it.
return NS_OK;
}
IndexUpdateInfo* updateInfo = aUpdateInfoArray.AppendElement();
updateInfo->indexId() = aIndexID;
updateInfo->value() = value;
if (localeAware) {
rv = value.ToLocaleBasedKey(updateInfo->localizedValue(), aLocale);
if (NS_WARN_IF(NS_FAILED(rv))) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
}
}
return NS_OK;
}
// static
void
IDBObjectStore::ClearCloneReadInfo(StructuredCloneReadInfo& aReadInfo)
{
// This is kind of tricky, we only want to release stuff on the main thread,
// but we can end up being called on other threads if we have already been
// cleared on the main thread.
if (!aReadInfo.mFiles.Length()) {
return;
}
aReadInfo.mFiles.Clear();
}
// static
bool
IDBObjectStore::DeserializeValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
JS::MutableHandle<JS::Value> aValue)
{
MOZ_ASSERT(aCx);
if (!aCloneReadInfo.mData.Size()) {
aValue.setUndefined();
return true;
}
MOZ_ASSERT(!(aCloneReadInfo.mData.Size() % sizeof(uint64_t)));
JSAutoRequest ar(aCx);
static const JSStructuredCloneCallbacks callbacks = {
CommonStructuredCloneReadCallback<ValueDeserializationHelper>,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr
};
// FIXME: Consider to use StructuredCloneHolder here and in other
// deserializing methods.
if (!JS_ReadStructuredClone(aCx, aCloneReadInfo.mData, JS_STRUCTURED_CLONE_VERSION,
JS::StructuredCloneScope::SameProcessSameThread,
aValue, &callbacks, &aCloneReadInfo)) {
return false;
}
return true;
}
// static
bool
IDBObjectStore::DeserializeIndexValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
JS::MutableHandle<JS::Value> aValue)
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(aCx);
if (!aCloneReadInfo.mData.Size()) {
aValue.setUndefined();
return true;
}
MOZ_ASSERT(!(aCloneReadInfo.mData.Size() % sizeof(uint64_t)));
JSAutoRequest ar(aCx);
static const JSStructuredCloneCallbacks callbacks = {
CommonStructuredCloneReadCallback<IndexDeserializationHelper>,
nullptr,
nullptr
};
if (!JS_ReadStructuredClone(aCx, aCloneReadInfo.mData, JS_STRUCTURED_CLONE_VERSION,
JS::StructuredCloneScope::SameProcessSameThread,
aValue, &callbacks, &aCloneReadInfo)) {
return false;
}
return true;
}
// static
bool
IDBObjectStore::DeserializeUpgradeValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
JS::MutableHandle<JS::Value> aValue)
{
MOZ_ASSERT(!NS_IsMainThread());
MOZ_ASSERT(aCx);
if (!aCloneReadInfo.mData.Size()) {
aValue.setUndefined();
return true;
}
MOZ_ASSERT(!(aCloneReadInfo.mData.Size() % sizeof(uint64_t)));
JSAutoRequest ar(aCx);
static JSStructuredCloneCallbacks callbacks = {
CommonStructuredCloneReadCallback<UpgradeDeserializationHelper>,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr
};
if (!JS_ReadStructuredClone(aCx, aCloneReadInfo.mData, JS_STRUCTURED_CLONE_VERSION,
JS::StructuredCloneScope::SameProcessSameThread,
aValue, &callbacks, &aCloneReadInfo)) {
return false;
}
return true;
}
#ifdef DEBUG
void
IDBObjectStore::AssertIsOnOwningThread() const
{
MOZ_ASSERT(mTransaction);
mTransaction->AssertIsOnOwningThread();
}
#endif // DEBUG
nsresult
IDBObjectStore::GetAddInfo(JSContext* aCx,
JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKeyVal,
StructuredCloneWriteInfo& aCloneWriteInfo,
Key& aKey,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray)
{
// Return DATA_ERR if a key was passed in and this objectStore uses inline
// keys.
if (!aKeyVal.isUndefined() && HasValidKeyPath()) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
bool isAutoIncrement = AutoIncrement();
nsresult rv;
if (!HasValidKeyPath()) {
// Out-of-line keys must be passed in.
rv = aKey.SetFromJSVal(aCx, aKeyVal);
if (NS_FAILED(rv)) {
return rv;
}
} else if (!isAutoIncrement) {
rv = GetKeyPath().ExtractKey(aCx, aValue, aKey);
if (NS_FAILED(rv)) {
return rv;
}
}
// Return DATA_ERR if no key was specified this isn't an autoIncrement
// objectStore.
if (aKey.IsUnset() && !isAutoIncrement) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
// Figure out indexes and the index values to update here.
const nsTArray<IndexMetadata>& indexes = mSpec->indexes();
const uint32_t idxCount = indexes.Length();
aUpdateInfoArray.SetCapacity(idxCount); // Pretty good estimate
for (uint32_t idxIndex = 0; idxIndex < idxCount; idxIndex++) {
const IndexMetadata& metadata = indexes[idxIndex];
rv = AppendIndexUpdateInfo(metadata.id(), metadata.keyPath(),
metadata.unique(), metadata.multiEntry(),
metadata.locale(), aCx, aValue,
aUpdateInfoArray);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
GetAddInfoClosure data(aCloneWriteInfo, aValue);
if (isAutoIncrement && HasValidKeyPath()) {
MOZ_ASSERT(aKey.IsUnset());
rv = GetKeyPath().ExtractOrCreateKey(aCx,
aValue,
aKey,
&GetAddInfoCallback,
&data);
} else {
rv = GetAddInfoCallback(aCx, &data);
}
return rv;
}
already_AddRefed<IDBRequest>
IDBObjectStore::AddOrPut(JSContext* aCx,
JS::Handle<JS::Value> aValue,
JS::Handle<JS::Value> aKey,
bool aOverwrite,
bool aFromCursor,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
MOZ_ASSERT(aCx);
MOZ_ASSERT_IF(aFromCursor, aOverwrite);
if (mTransaction->GetMode() == IDBTransaction::CLEANUP ||
mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
if (!mTransaction->IsWriteAllowed()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR);
return nullptr;
}
JS::Rooted<JS::Value> value(aCx, aValue);
Key key;
StructuredCloneWriteInfo cloneWriteInfo(mTransaction->Database());
nsTArray<IndexUpdateInfo> updateInfo;
aRv = GetAddInfo(aCx, value, aKey, cloneWriteInfo, key, updateInfo);
if (aRv.Failed()) {
return nullptr;
}
// Check the size limit of the serialized message which mainly consists of
// a StructuredCloneBuffer, an encoded object key, and the encoded index keys.
// kMaxIDBMsgOverhead covers the minor stuff not included in this calculation
// because the precise calculation would slow down this AddOrPut operation.
static const size_t kMaxIDBMsgOverhead = 1024 * 1024; // 1MB
const uint32_t maximalSizeFromPref =
IndexedDatabaseManager::MaxSerializedMsgSize();
MOZ_ASSERT(maximalSizeFromPref > kMaxIDBMsgOverhead);
const size_t kMaxMessageSize = maximalSizeFromPref - kMaxIDBMsgOverhead;
size_t indexUpdateInfoSize = 0;
for (size_t i = 0; i < updateInfo.Length(); i++) {
indexUpdateInfoSize += updateInfo[i].value().GetBuffer().Length();
indexUpdateInfoSize += updateInfo[i].localizedValue().GetBuffer().Length();
}
size_t messageSize = cloneWriteInfo.mCloneBuffer.data().Size() +
key.GetBuffer().Length() + indexUpdateInfoSize;
if (messageSize > kMaxMessageSize) {
IDB_REPORT_INTERNAL_ERR();
aRv.ThrowDOMException(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR,
nsPrintfCString("The serialized value is too large"
" (size=%zu bytes, max=%zu bytes).",
messageSize, kMaxMessageSize));
return nullptr;
}
ObjectStoreAddPutParams commonParams;
commonParams.objectStoreId() = Id();
commonParams.cloneInfo().data().data = Move(cloneWriteInfo.mCloneBuffer.data());
commonParams.cloneInfo().offsetToKeyProp() = cloneWriteInfo.mOffsetToKeyProp;
commonParams.key() = key;
commonParams.indexUpdateInfos().SwapElements(updateInfo);
// Convert any blobs or mutable files into FileAddInfo.
nsTArray<StructuredCloneFile>& files = cloneWriteInfo.mFiles;
if (!files.IsEmpty()) {
const uint32_t count = files.Length();
FallibleTArray<FileAddInfo> fileAddInfos;
if (NS_WARN_IF(!fileAddInfos.SetCapacity(count, fallible))) {
aRv = NS_ERROR_OUT_OF_MEMORY;
return nullptr;
}
IDBDatabase* database = mTransaction->Database();
for (uint32_t index = 0; index < count; index++) {
StructuredCloneFile& file = files[index];
FileAddInfo* fileAddInfo = fileAddInfos.AppendElement(fallible);
MOZ_ASSERT(fileAddInfo);
switch (file.mType) {
case StructuredCloneFile::eBlob: {
MOZ_ASSERT(file.mBlob);
MOZ_ASSERT(!file.mMutableFile);
PBackgroundIDBDatabaseFileChild* fileActor =
database->GetOrCreateFileActorForBlob(file.mBlob);
if (NS_WARN_IF(!fileActor)) {
IDB_REPORT_INTERNAL_ERR();
aRv = NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
return nullptr;
}
fileAddInfo->file() = fileActor;
fileAddInfo->type() = StructuredCloneFile::eBlob;
break;
}
case StructuredCloneFile::eMutableFile: {
MOZ_ASSERT(file.mMutableFile);
MOZ_ASSERT(!file.mBlob);
PBackgroundMutableFileChild* mutableFileActor =
file.mMutableFile->GetBackgroundActor();
if (NS_WARN_IF(!mutableFileActor)) {
IDB_REPORT_INTERNAL_ERR();
aRv = NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
return nullptr;
}
fileAddInfo->file() = mutableFileActor;
fileAddInfo->type() = StructuredCloneFile::eMutableFile;
break;
}
case StructuredCloneFile::eWasmBytecode:
case StructuredCloneFile::eWasmCompiled: {
MOZ_ASSERT(file.mBlob);
MOZ_ASSERT(!file.mMutableFile);
PBackgroundIDBDatabaseFileChild* fileActor =
database->GetOrCreateFileActorForBlob(file.mBlob);
if (NS_WARN_IF(!fileActor)) {
IDB_REPORT_INTERNAL_ERR();
aRv = NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
return nullptr;
}
fileAddInfo->file() = fileActor;
fileAddInfo->type() = file.mType;
break;
}
default:
MOZ_CRASH("Should never get here!");
}
}
commonParams.fileAddInfos().SwapElements(fileAddInfos);
}
RequestParams params;
if (aOverwrite) {
params = ObjectStorePutParams(commonParams);
} else {
params = ObjectStoreAddParams(commonParams);
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (!aFromCursor) {
if (aOverwrite) {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).put(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.put()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(key));
} else {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).add(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.add()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(key));
}
}
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::GetAllInternal(bool aKeysOnly,
JSContext* aCx,
JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
const int64_t id = Id();
OptionalKeyRange optionalKeyRange;
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
optionalKeyRange = serializedKeyRange;
} else {
optionalKeyRange = void_t();
}
const uint32_t limit = aLimit.WasPassed() ? aLimit.Value() : 0;
RequestParams params;
if (aKeysOnly) {
params = ObjectStoreGetAllKeysParams(id, optionalKeyRange, limit);
} else {
params = ObjectStoreGetAllParams(id, optionalKeyRange, limit);
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (aKeysOnly) {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s)."
"getAllKeys(%s, %s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.getAllKeys()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(aLimit));
} else {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s)."
"getAll(%s, %s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.getAll()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(aLimit));
}
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::Clear(JSContext* aCx, ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
if (!mTransaction->IsWriteAllowed()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR);
return nullptr;
}
ObjectStoreClearParams params;
params.objectStoreId() = Id();
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).clear()",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.clear()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this));
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBIndex>
IDBObjectStore::Index(const nsAString& aName, ErrorResult &aRv)
{
AssertIsOnOwningThread();
if (mTransaction->IsCommittingOrDone() || mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
const nsTArray<IndexMetadata>& indexes = mSpec->indexes();
const IndexMetadata* metadata = nullptr;
for (uint32_t idxCount = indexes.Length(), idxIndex = 0;
idxIndex < idxCount;
idxIndex++) {
const IndexMetadata& index = indexes[idxIndex];
if (index.name() == aName) {
metadata = &index;
break;
}
}
if (!metadata) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR);
return nullptr;
}
const int64_t desiredId = metadata->id();
RefPtr<IDBIndex> index;
for (uint32_t idxCount = mIndexes.Length(), idxIndex = 0;
idxIndex < idxCount;
idxIndex++) {
RefPtr<IDBIndex>& existingIndex = mIndexes[idxIndex];
if (existingIndex->Id() == desiredId) {
index = existingIndex;
break;
}
}
if (!index) {
index = IDBIndex::Create(this, *metadata);
MOZ_ASSERT(index);
mIndexes.AppendElement(index);
}
return index.forget();
}
NS_IMPL_CYCLE_COLLECTION_CLASS(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mCachedKeyPath)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTransaction)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mIndexes)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDeletedIndexes)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
// Don't unlink mTransaction!
NS_IMPL_CYCLE_COLLECTION_UNLINK(mIndexes)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mDeletedIndexes)
tmp->mCachedKeyPath.setUndefined();
if (tmp->mRooted) {
mozilla::DropJSObjects(tmp);
tmp->mRooted = false;
}
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IDBObjectStore)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTING_RELEASE(IDBObjectStore)
JSObject*
IDBObjectStore::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return IDBObjectStoreBinding::Wrap(aCx, this, aGivenProto);
}
nsPIDOMWindowInner*
IDBObjectStore::GetParentObject() const
{
return mTransaction->GetParentObject();
}
void
IDBObjectStore::GetKeyPath(JSContext* aCx,
JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv)
{
if (!mCachedKeyPath.isUndefined()) {
aResult.set(mCachedKeyPath);
return;
}
aRv = GetKeyPath().ToJSVal(aCx, mCachedKeyPath);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
if (mCachedKeyPath.isGCThing()) {
mozilla::HoldJSObjects(this);
mRooted = true;
}
aResult.set(mCachedKeyPath);
}
already_AddRefed<DOMStringList>
IDBObjectStore::IndexNames()
{
AssertIsOnOwningThread();
const nsTArray<IndexMetadata>& indexes = mSpec->indexes();
RefPtr<DOMStringList> list = new DOMStringList();
if (!indexes.IsEmpty()) {
nsTArray<nsString>& listNames = list->StringArray();
listNames.SetCapacity(indexes.Length());
for (uint32_t index = 0; index < indexes.Length(); index++) {
listNames.InsertElementSorted(indexes[index].name());
}
}
return list.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::GetInternal(bool aKeyOnly,
JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
if (aRv.Failed()) {
return nullptr;
}
if (!keyRange) {
// Must specify a key or keyRange for get().
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
return nullptr;
}
const int64_t id = Id();
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
RequestParams params;
if (aKeyOnly) {
params = ObjectStoreGetKeyParams(id, serializedKeyRange);
} else {
params = ObjectStoreGetParams(id, serializedKeyRange);
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).get(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.get()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange));
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::DeleteInternal(JSContext* aCx,
JS::Handle<JS::Value> aKey,
bool aFromCursor,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
if (!mTransaction->IsWriteAllowed()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
if (NS_WARN_IF((aRv.Failed()))) {
return nullptr;
}
if (!keyRange) {
// Must specify a key or keyRange for delete().
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
return nullptr;
}
ObjectStoreDeleteParams params;
params.objectStoreId() = Id();
keyRange->ToSerialized(params.keyRange());
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (!aFromCursor) {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).delete(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.delete()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange));
}
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBIndex>
IDBObjectStore::CreateIndex(const nsAString& aName,
const StringOrStringSequence& aKeyPath,
const IDBIndexParameters& aOptionalParameters,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mTransaction->GetMode() != IDBTransaction::VERSION_CHANGE ||
mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
IDBTransaction* transaction = IDBTransaction::GetCurrent();
if (!transaction || transaction != mTransaction || !transaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
auto& indexes = const_cast<nsTArray<IndexMetadata>&>(mSpec->indexes());
for (uint32_t count = indexes.Length(), index = 0;
index < count;
index++) {
if (aName == indexes[index].name()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR);
return nullptr;
}
}
KeyPath keyPath(0);
if (aKeyPath.IsString()) {
if (NS_FAILED(KeyPath::Parse(aKeyPath.GetAsString(), &keyPath)) ||
!keyPath.IsValid()) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
} else {
MOZ_ASSERT(aKeyPath.IsStringSequence());
if (aKeyPath.GetAsStringSequence().IsEmpty() ||
NS_FAILED(KeyPath::Parse(aKeyPath.GetAsStringSequence(), &keyPath)) ||
!keyPath.IsValid()) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
}
if (aOptionalParameters.mMultiEntry && keyPath.IsArray()) {
aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
return nullptr;
}
#ifdef DEBUG
for (uint32_t count = mIndexes.Length(), index = 0;
index < count;
index++) {
MOZ_ASSERT(mIndexes[index]->Name() != aName);
}
#endif
const IndexMetadata* oldMetadataElements =
indexes.IsEmpty() ? nullptr : indexes.Elements();
// With this setup we only validate the passed in locale name by the time we
// get to encoding Keys. Maybe we should do it here right away and error out.
// Valid locale names are always ASCII as per BCP-47.
nsCString locale = NS_LossyConvertUTF16toASCII(aOptionalParameters.mLocale);
bool autoLocale = locale.EqualsASCII("auto");
if (autoLocale) {
locale = IndexedDatabaseManager::GetLocale();
}
IndexMetadata* metadata = indexes.AppendElement(
IndexMetadata(transaction->NextIndexId(), nsString(aName), keyPath,
locale,
aOptionalParameters.mUnique,
aOptionalParameters.mMultiEntry,
autoLocale));
if (oldMetadataElements &&
oldMetadataElements != indexes.Elements()) {
MOZ_ASSERT(indexes.Length() > 1);
// Array got moved, update the spec pointers for all live indexes.
RefreshSpec(/* aMayDelete */ false);
}
transaction->CreateIndex(this, *metadata);
RefPtr<IDBIndex> index = IDBIndex::Create(this, *metadata);
MOZ_ASSERT(index);
mIndexes.AppendElement(index);
// Don't do this in the macro because we always need to increment the serial
// number to keep in sync with the parent.
const uint64_t requestSerialNumber = IDBRequest::NextSerialNumber();
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).createIndex(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.createIndex()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
requestSerialNumber,
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(index));
return index.forget();
}
void
IDBObjectStore::DeleteIndex(const nsAString& aName, ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mTransaction->GetMode() != IDBTransaction::VERSION_CHANGE ||
mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return;
}
IDBTransaction* transaction = IDBTransaction::GetCurrent();
if (!transaction || transaction != mTransaction || !transaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return;
}
auto& metadataArray = const_cast<nsTArray<IndexMetadata>&>(mSpec->indexes());
int64_t foundId = 0;
for (uint32_t metadataCount = metadataArray.Length(), metadataIndex = 0;
metadataIndex < metadataCount;
metadataIndex++) {
const IndexMetadata& metadata = metadataArray[metadataIndex];
MOZ_ASSERT(metadata.id());
if (aName == metadata.name()) {
foundId = metadata.id();
// Must do this before altering the metadata array!
for (uint32_t indexCount = mIndexes.Length(), indexIndex = 0;
indexIndex < indexCount;
indexIndex++) {
RefPtr<IDBIndex>& index = mIndexes[indexIndex];
if (index->Id() == foundId) {
index->NoteDeletion();
RefPtr<IDBIndex>* deletedIndex =
mDeletedIndexes.AppendElement();
deletedIndex->swap(mIndexes[indexIndex]);
mIndexes.RemoveElementAt(indexIndex);
break;
}
}
metadataArray.RemoveElementAt(metadataIndex);
RefreshSpec(/* aMayDelete */ false);
break;
}
}
if (!foundId) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR);
return;
}
// Don't do this in the macro because we always need to increment the serial
// number to keep in sync with the parent.
const uint64_t requestSerialNumber = IDBRequest::NextSerialNumber();
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s)."
"deleteIndex(\"%s\")",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.deleteIndex()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
requestSerialNumber,
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this),
NS_ConvertUTF16toUTF8(aName).get());
transaction->DeleteIndex(this, foundId);
}
already_AddRefed<IDBRequest>
IDBObjectStore::Count(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange));
if (aRv.Failed()) {
return nullptr;
}
ObjectStoreCountParams params;
params.objectStoreId() = Id();
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
params.optionalKeyRange() = serializedKeyRange;
} else {
params.optionalKeyRange() = void_t();
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).count(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.count()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange));
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::OpenCursorInternal(bool aKeysOnly,
JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
MOZ_ASSERT(aCx);
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
aRv = IDBKeyRange::FromJSVal(aCx, aRange, getter_AddRefs(keyRange));
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
int64_t objectStoreId = Id();
OptionalKeyRange optionalKeyRange;
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
optionalKeyRange = Move(serializedKeyRange);
} else {
optionalKeyRange = void_t();
}
IDBCursor::Direction direction = IDBCursor::ConvertDirection(aDirection);
OpenCursorParams params;
if (aKeysOnly) {
ObjectStoreOpenKeyCursorParams openParams;
openParams.objectStoreId() = objectStoreId;
openParams.optionalKeyRange() = Move(optionalKeyRange);
openParams.direction() = direction;
params = Move(openParams);
} else {
ObjectStoreOpenCursorParams openParams;
openParams.objectStoreId() = objectStoreId;
openParams.optionalKeyRange() = Move(optionalKeyRange);
openParams.direction() = direction;
params = Move(openParams);
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (aKeysOnly) {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s)."
"openKeyCursor(%s, %s)",
"IndexedDB %s: C T[%lld] R[%llu]: "
"IDBObjectStore.openKeyCursor()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(direction));
} else {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s)."
"openCursor(%s, %s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.openCursor()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange),
IDB_LOG_STRINGIFY(direction));
}
BackgroundCursorChild* actor =
new BackgroundCursorChild(request, this, direction);
mTransaction->OpenCursor(actor, params);
return request.forget();
}
void
IDBObjectStore::RefreshSpec(bool aMayDelete)
{
AssertIsOnOwningThread();
MOZ_ASSERT_IF(mDeletedSpec, mSpec == mDeletedSpec);
const DatabaseSpec* dbSpec = mTransaction->Database()->Spec();
MOZ_ASSERT(dbSpec);
const nsTArray<ObjectStoreSpec>& objectStores = dbSpec->objectStores();
bool found = false;
for (uint32_t objCount = objectStores.Length(), objIndex = 0;
objIndex < objCount;
objIndex++) {
const ObjectStoreSpec& objSpec = objectStores[objIndex];
if (objSpec.metadata().id() == Id()) {
mSpec = &objSpec;
for (uint32_t idxCount = mIndexes.Length(), idxIndex = 0;
idxIndex < idxCount;
idxIndex++) {
mIndexes[idxIndex]->RefreshMetadata(aMayDelete);
}
for (uint32_t idxCount = mDeletedIndexes.Length(), idxIndex = 0;
idxIndex < idxCount;
idxIndex++) {
mDeletedIndexes[idxIndex]->RefreshMetadata(false);
}
found = true;
break;
}
}
MOZ_ASSERT_IF(!aMayDelete && !mDeletedSpec, found);
if (found) {
MOZ_ASSERT(mSpec != mDeletedSpec);
mDeletedSpec = nullptr;
} else {
NoteDeletion();
}
}
const ObjectStoreSpec&
IDBObjectStore::Spec() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return *mSpec;
}
void
IDBObjectStore::NoteDeletion()
{
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
MOZ_ASSERT(Id() == mSpec->metadata().id());
if (mDeletedSpec) {
MOZ_ASSERT(mDeletedSpec == mSpec);
return;
}
// Copy the spec here.
mDeletedSpec = new ObjectStoreSpec(*mSpec);
mDeletedSpec->indexes().Clear();
mSpec = mDeletedSpec;
if (!mIndexes.IsEmpty()) {
for (uint32_t count = mIndexes.Length(), index = 0;
index < count;
index++) {
mIndexes[index]->NoteDeletion();
}
}
}
const nsString&
IDBObjectStore::Name() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return mSpec->metadata().name();
}
void
IDBObjectStore::SetName(const nsAString& aName, ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (mTransaction->GetMode() != IDBTransaction::VERSION_CHANGE ||
mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return;
}
IDBTransaction* transaction = IDBTransaction::GetCurrent();
if (!transaction || transaction != mTransaction || !transaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return;
}
if (aName == mSpec->metadata().name()) {
return;
}
// Cache logging string of this object store before renaming.
const LoggingString loggingOldObjectStore(this);
nsresult rv =
transaction->Database()->RenameObjectStore(mSpec->metadata().id(),
aName);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
// Don't do this in the macro because we always need to increment the serial
// number to keep in sync with the parent.
const uint64_t requestSerialNumber = IDBRequest::NextSerialNumber();
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"database(%s).transaction(%s).objectStore(%s).rename(%s)",
"IndexedDB %s: C T[%lld] R[%llu]: IDBObjectStore.rename()",
IDB_LOG_ID_STRING(),
mTransaction->LoggingSerialNumber(),
requestSerialNumber,
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction),
loggingOldObjectStore.get(),
IDB_LOG_STRINGIFY(this));
transaction->RenameObjectStore(mSpec->metadata().id(), aName);
}
bool
IDBObjectStore::AutoIncrement() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return mSpec->metadata().autoIncrement();
}
const indexedDB::KeyPath&
IDBObjectStore::GetKeyPath() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return mSpec->metadata().keyPath();
}
bool
IDBObjectStore::HasValidKeyPath() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return GetKeyPath().IsValid();
}
} // namespace dom
} // namespace mozilla
Ссылка в новой задаче Показать git blame Копировать постоянную ссылку