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gecko-dev/dom/indexedDB/IDBObjectStore.cpp
Andrea Marchesini 8f8ec51372 Bug 1047483 - patch 3 - Renaming DOMFile to File, r=ehsan 
--HG--
rename : content/base/public/nsDOMFile.h => content/base/public/File.h
rename : content/base/src/nsDOMFile.cpp => content/base/src/File.cpp
2014-10-08 17:15:23 +01:00

2087 lines
58 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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/StructuredClone.h"
#include "KeyPath.h"
#include "mozilla/Endian.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/StructuredCloneTags.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBSharedTypes.h"
#include "mozilla/dom/ipc/BlobChild.h"
#include "mozilla/dom/ipc/BlobParent.h"
#include "mozilla/dom/ipc/nsIRemoteBlob.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
#include "nsCOMPtr.h"
#include "ProfilerHelpers.h"
#include "ReportInternalError.h"
// Include this last to avoid path problems on Windows.
#include "ActorsChild.h"
namespace mozilla {
namespace dom {
namespace indexedDB {
using namespace mozilla::dom::quota;
using namespace mozilla::ipc;
struct IDBObjectStore::StructuredCloneWriteInfo
{
struct BlobOrFileInfo
{
nsRefPtr<File> mBlob;
nsRefPtr<FileInfo> mFileInfo;
bool
operator==(const BlobOrFileInfo& aOther) const
{
return this->mBlob == aOther.mBlob && this->mFileInfo == aOther.mFileInfo;
}
};
JSAutoStructuredCloneBuffer mCloneBuffer;
nsTArray<BlobOrFileInfo> mBlobOrFileInfos;
IDBDatabase* mDatabase;
uint64_t mOffsetToKeyProp;
explicit StructuredCloneWriteInfo(IDBDatabase* aDatabase)
: 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);
mBlobOrFileInfos.SwapElements(aCloneWriteInfo.mBlobOrFileInfos);
aCloneWriteInfo.mOffsetToKeyProp = 0;
}
~StructuredCloneWriteInfo()
{
MOZ_COUNT_DTOR(StructuredCloneWriteInfo);
}
bool
operator==(const StructuredCloneWriteInfo& aOther) const
{
return this->mCloneBuffer.nbytes() == aOther.mCloneBuffer.nbytes() &&
this->mCloneBuffer.data() == aOther.mCloneBuffer.data() &&
this->mBlobOrFileInfos == aOther.mBlobOrFileInfos &&
this->mDatabase == aOther.mDatabase &&
this->mOffsetToKeyProp == aOther.mOffsetToKeyProp;
}
bool
SetFromSerialized(const SerializedStructuredCloneWriteInfo& aOther)
{
if (aOther.data().IsEmpty()) {
mCloneBuffer.clear();
} else {
auto* aOtherBuffer =
reinterpret_cast<uint64_t*>(
const_cast<uint8_t*>(aOther.data().Elements()));
if (!mCloneBuffer.copy(aOtherBuffer, aOther.data().Length())) {
return false;
}
}
mBlobOrFileInfos.Clear();
mOffsetToKeyProp = aOther.offsetToKeyProp();
return true;
}
};
namespace {
struct MOZ_STACK_CLASS MutableFileData MOZ_FINAL
{
nsString type;
nsString name;
MutableFileData()
{
MOZ_COUNT_CTOR(MutableFileData);
}
~MutableFileData()
{
MOZ_COUNT_DTOR(MutableFileData);
}
};
struct MOZ_STACK_CLASS BlobOrFileData MOZ_FINAL
{
uint32_t tag;
uint64_t size;
nsString type;
nsString name;
uint64_t lastModifiedDate;
BlobOrFileData()
: tag(0)
, size(0)
, lastModifiedDate(UINT64_MAX)
{
MOZ_COUNT_CTOR(BlobOrFileData);
}
~BlobOrFileData()
{
MOZ_COUNT_DTOR(BlobOrFileData);
}
};
struct MOZ_STACK_CLASS GetAddInfoClosure MOZ_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(IDBObjectStore* aObjectStore)
{
MOZ_ASSERT(aObjectStore);
aObjectStore->AssertIsOnOwningThread();
IDBTransaction* transaction = aObjectStore->Transaction();
nsRefPtr<IDBRequest> request =
IDBRequest::Create(aObjectStore, transaction->Database(), transaction);
MOZ_ASSERT(request);
return request.forget();
}
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));
}
IDBMutableFile* mutableFile;
if (NS_SUCCEEDED(UNWRAP_OBJECT(IDBMutableFile, aObj, mutableFile))) {
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;
}
}
nsRefPtr<FileInfo> fileInfo = mutableFile->GetFileInfo();
MOZ_ASSERT(fileInfo);
if (cloneWriteInfo->mBlobOrFileInfos.Length() > size_t(UINT32_MAX)) {
MOZ_ASSERT(false, "Fix the structured clone data to use a bigger type!");
return false;
}
const uint32_t index = uint32_t(cloneWriteInfo->mBlobOrFileInfos.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;
}
IDBObjectStore::StructuredCloneWriteInfo::BlobOrFileInfo*
newBlobOrFileInfo =
cloneWriteInfo->mBlobOrFileInfos.AppendElement();
newBlobOrFileInfo->mFileInfo.swap(fileInfo);
return true;
}
MOZ_ASSERT(NS_IsMainThread(), "This can't work off the main thread!");
{
File* blob = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(Blob, aObj, blob))) {
uint64_t size;
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(blob->GetSize(&size)));
size = NativeEndian::swapToLittleEndian(size);
nsString type;
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(blob->GetType(type)));
NS_ConvertUTF16toUTF8 convType(type);
uint32_t convTypeLength =
NativeEndian::swapToLittleEndian(convType.Length());
if (cloneWriteInfo->mBlobOrFileInfos.Length() > size_t(UINT32_MAX)) {
MOZ_ASSERT(false,
"Fix the structured clone data to use a bigger type!");
return false;
}
const uint32_t index =
uint32_t(cloneWriteInfo->mBlobOrFileInfos.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;
}
if (blob->IsFile()) {
uint64_t lastModifiedDate;
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(
blob->GetMozLastModifiedDate(&lastModifiedDate)));
lastModifiedDate = NativeEndian::swapToLittleEndian(lastModifiedDate);
nsString name;
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(blob->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;
}
}
IDBObjectStore::StructuredCloneWriteInfo::BlobOrFileInfo*
newBlobOrFileInfo =
cloneWriteInfo->mBlobOrFileInfos.AppendElement();
newBlobOrFileInfo->mBlob = blob;
return true;
}
}
// Try using the runtime callbacks
const JSStructuredCloneCallbacks* runtimeCallbacks =
js::GetContextStructuredCloneCallbacks(aCx);
if (runtimeCallbacks) {
return runtimeCallbacks->write(aCx, aWriter, aObj, nullptr);
}
return false;
}
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;
}
BlobChild*
ActorFromRemoteBlob(File* aBlob)
{
MOZ_ASSERT(aBlob);
nsCOMPtr<nsIRemoteBlob> remoteBlob = do_QueryInterface(aBlob->Impl());
if (remoteBlob) {
BlobChild* actor = remoteBlob->GetBlobChild();
MOZ_ASSERT(actor);
if (actor->GetContentManager()) {
return nullptr;
}
MOZ_ASSERT(actor->GetBackgroundManager());
MOZ_ASSERT(BackgroundChild::GetForCurrentThread());
MOZ_ASSERT(actor->GetBackgroundManager() ==
BackgroundChild::GetForCurrentThread(),
"Blob actor is not bound to this thread!");
return actor;
}
return nullptr;
}
bool
ResolveMysteryFile(File* aBlob,
const nsString& aName,
const nsString& aContentType,
uint64_t aSize,
uint64_t aLastModifiedDate)
{
BlobChild* actor = ActorFromRemoteBlob(aBlob);
if (actor) {
return actor->SetMysteryBlobInfo(aName, aContentType,
aSize, aLastModifiedDate);
}
return true;
}
bool
ResolveMysteryBlob(File* aBlob,
const nsString& aContentType,
uint64_t aSize)
{
BlobChild* actor = ActorFromRemoteBlob(aBlob);
if (actor) {
return actor->SetMysteryBlobInfo(aContentType, aSize);
}
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_t())) {
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);
uint64_t lastModifiedDate;
if (aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE) {
lastModifiedDate = UINT64_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;
}
class ValueDeserializationHelper
{
public:
static bool
CreateAndWrapMutableFile(JSContext* aCx,
IDBDatabase* aDatabase,
StructuredCloneFile& aFile,
const MutableFileData& aData,
JS::MutableHandle<JSObject*> aResult)
{
MOZ_ASSERT(IndexedDatabaseManager::IsMainProcess());
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aDatabase);
MOZ_ASSERT(aFile.mFileInfo);
nsRefPtr<IDBMutableFile> mutableFile =
IDBMutableFile::Create(aDatabase,
aData.name,
aData.type,
aFile.mFileInfo.forget());
MOZ_ASSERT(mutableFile);
JS::Rooted<JSObject*> result(aCx, mutableFile->WrapObject(aCx));
if (NS_WARN_IF(!result)) {
return false;
}
aResult.set(result);
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);
MOZ_ASSERT(aFile.mFile);
MOZ_ASSERT(NS_IsMainThread(),
"This wrapping currently only works on the main thread!");
// 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 (aDatabase && aDatabase->GetParentObject()) {
parent = aDatabase->GetParentObject();
} else {
parent = xpc::NativeGlobal(JS::CurrentGlobalOrNull(aCx));
}
MOZ_ASSERT(parent);
nsRefPtr<File> file = new File(parent, aFile.mFile->Impl());
if (aData.tag == SCTAG_DOM_BLOB) {
if (NS_WARN_IF(!ResolveMysteryBlob(aFile.mFile,
aData.type,
aData.size))) {
return false;
}
JS::Rooted<JS::Value> wrappedBlob(aCx);
if (!WrapNewBindingObject(aCx, aFile.mFile, &wrappedBlob)) {
return false;
}
aResult.set(&wrappedBlob.toObject());
return true;
}
MOZ_ASSERT(aFile.mFile->IsFile());
if (NS_WARN_IF(!ResolveMysteryFile(aFile.mFile,
aData.name,
aData.type,
aData.size,
aData.lastModifiedDate))) {
return false;
}
JS::Rooted<JS::Value> wrappedFile(aCx);
if (!WrapNewBindingObject(aCx, aFile.mFile, &wrappedFile)) {
return false;
}
aResult.set(&wrappedFile.toObject());
return true;
}
};
class IndexDeserializationHelper
{
public:
static bool
CreateAndWrapMutableFile(JSContext* aCx,
IDBDatabase* aDatabase,
StructuredCloneFile& aFile,
const MutableFileData& aData,
JS::MutableHandle<JSObject*> aResult)
{
MOZ_ASSERT(!aDatabase);
// MutableFile can't be used in index creation, so just make a dummy object.
JS::Rooted<JSObject*> obj(aCx,
JS_NewObject(aCx, nullptr, JS::NullPtr(), JS::NullPtr()));
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_NewObject(aCx, nullptr, JS::NullPtr(), JS::NullPtr()));
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::Rooted<JSObject*> date(aCx,
JS_NewDateObjectMsec(aCx, aData.lastModifiedDate));
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;
}
};
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,
"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) {
auto* cloneReadInfo = static_cast<StructuredCloneReadInfo*>(aClosure);
if (aData >= cloneReadInfo->mFiles.Length()) {
MOZ_ASSERT(false, "Bad index value!");
return nullptr;
}
StructuredCloneFile& file = cloneReadInfo->mFiles[aData];
JS::Rooted<JSObject*> result(aCx);
if (aTag == SCTAG_DOM_MUTABLEFILE) {
MutableFileData data;
if (NS_WARN_IF(!ReadFileHandle(aReader, &data))) {
return nullptr;
}
if (NS_WARN_IF(!Traits::CreateAndWrapMutableFile(aCx,
cloneReadInfo->mDatabase,
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;
}
const JSStructuredCloneCallbacks* runtimeCallbacks =
js::GetContextStructuredCloneCallbacks(aCx);
if (runtimeCallbacks) {
return runtimeCallbacks->read(aCx, aReader, aTag, aData, nullptr);
}
return nullptr;
}
// static
void
ClearStructuredCloneBuffer(JSAutoStructuredCloneBuffer& aBuffer)
{
if (aBuffer.data()) {
aBuffer.clear();
}
}
} // anonymous namespace
const JSClass IDBObjectStore::sDummyPropJSClass = {
"IDBObjectStore Dummy",
0 /* flags */,
JS_PropertyStub /* addProperty */,
JS_DeletePropertyStub /* delProperty */,
JS_PropertyStub /* getProperty */,
JS_StrictPropertyStub /* setProperty */,
JS_EnumerateStub /* enumerate */,
JS_ResolveStub /* resolve */,
JS_ConvertStub /* convert */,
JSCLASS_NO_OPTIONAL_MEMBERS
};
IDBObjectStore::IDBObjectStore(IDBTransaction* aTransaction,
const ObjectStoreSpec* aSpec)
: mTransaction(aTransaction)
, mCachedKeyPath(JSVAL_VOID)
, mSpec(aSpec)
, mId(aSpec->metadata().id())
, mRooted(false)
{
MOZ_ASSERT(aTransaction);
aTransaction->AssertIsOnOwningThread();
MOZ_ASSERT(aSpec);
}
IDBObjectStore::~IDBObjectStore()
{
AssertIsOnOwningThread();
if (mRooted) {
mCachedKeyPath = JSVAL_VOID;
mozilla::DropJSObjects(this);
}
}
// static
already_AddRefed<IDBObjectStore>
IDBObjectStore::Create(IDBTransaction* aTransaction,
const ObjectStoreSpec& aSpec)
{
MOZ_ASSERT(aTransaction);
aTransaction->AssertIsOnOwningThread();
nsRefPtr<IDBObjectStore> objectStore =
new IDBObjectStore(aTransaction, &aSpec);
return objectStore.forget();
}
// static
nsresult
IDBObjectStore::AppendIndexUpdateInfo(
int64_t aIndexID,
const KeyPath& aKeyPath,
bool aUnique,
bool aMultiEntry,
JSContext* aCx,
JS::Handle<JS::Value> aVal,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray)
{
nsresult rv;
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;
return NS_OK;
}
JS::Rooted<JS::Value> val(aCx);
if (NS_FAILED(aKeyPath.ExtractKeyAsJSVal(aCx, aVal, val.address()))) {
return NS_OK;
}
if (JS_IsArrayObject(aCx, val)) {
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;
}
}
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;
}
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.mCloneBuffer.data() && !aReadInfo.mFiles.Length()) {
return;
}
// If there's something to clear, we should be on the main thread.
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
ClearStructuredCloneBuffer(aReadInfo.mCloneBuffer);
aReadInfo.mFiles.Clear();
}
// static
bool
IDBObjectStore::DeserializeValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
JS::MutableHandle<JS::Value> aValue)
{
MOZ_ASSERT(aCx);
if (aCloneReadInfo.mData.IsEmpty()) {
aValue.setUndefined();
return true;
}
auto* data = reinterpret_cast<uint64_t*>(aCloneReadInfo.mData.Elements());
size_t dataLen = aCloneReadInfo.mData.Length();
MOZ_ASSERT(!(dataLen % sizeof(*data)));
JSAutoRequest ar(aCx);
static JSStructuredCloneCallbacks callbacks = {
CommonStructuredCloneReadCallback<ValueDeserializationHelper>,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr
};
if (!JS_ReadStructuredClone(aCx, data, dataLen, JS_STRUCTURED_CLONE_VERSION,
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.IsEmpty()) {
aValue.setUndefined();
return true;
}
size_t dataLen = aCloneReadInfo.mData.Length();
uint64_t* data =
const_cast<uint64_t*>(reinterpret_cast<uint64_t*>(
aCloneReadInfo.mData.Elements()));
MOZ_ASSERT(!(dataLen % sizeof(*data)));
JSAutoRequest ar(aCx);
static JSStructuredCloneCallbacks callbacks = {
CommonStructuredCloneReadCallback<IndexDeserializationHelper>,
nullptr,
nullptr
};
if (!JS_ReadStructuredClone(aCx, data, dataLen, JS_STRUCTURED_CLONE_VERSION,
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(), 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,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
MOZ_ASSERT(aCx);
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;
}
FallibleTArray<uint8_t> cloneData;
if (NS_WARN_IF(!cloneData.SetLength(cloneWriteInfo.mCloneBuffer.nbytes()))) {
aRv = NS_ERROR_OUT_OF_MEMORY;
return nullptr;
}
// XXX Remove this
memcpy(cloneData.Elements(), cloneWriteInfo.mCloneBuffer.data(),
cloneWriteInfo.mCloneBuffer.nbytes());
cloneWriteInfo.mCloneBuffer.clear();
ObjectStoreAddPutParams commonParams;
commonParams.objectStoreId() = Id();
commonParams.cloneInfo().data().SwapElements(cloneData);
commonParams.cloneInfo().offsetToKeyProp() = cloneWriteInfo.mOffsetToKeyProp;
commonParams.key() = key;
commonParams.indexUpdateInfos().SwapElements(updateInfo);
// Convert any blobs or fileIds into DatabaseFileOrMutableFileId.
nsTArray<StructuredCloneWriteInfo::BlobOrFileInfo>& blobOrFileInfos =
cloneWriteInfo.mBlobOrFileInfos;
FallibleTArray<nsRefPtr<FileInfo>> fileInfosToKeepAlive;
if (!blobOrFileInfos.IsEmpty()) {
const uint32_t count = blobOrFileInfos.Length();
FallibleTArray<DatabaseFileOrMutableFileId> fileActorOrMutableFileIds;
if (NS_WARN_IF(!fileActorOrMutableFileIds.SetCapacity(count))) {
aRv = NS_ERROR_OUT_OF_MEMORY;
return nullptr;
}
IDBDatabase* database = mTransaction->Database();
for (uint32_t index = 0; index < count; index++) {
StructuredCloneWriteInfo::BlobOrFileInfo& blobOrFileInfo =
blobOrFileInfos[index];
MOZ_ASSERT((blobOrFileInfo.mBlob && !blobOrFileInfo.mFileInfo) ||
(!blobOrFileInfo.mBlob && blobOrFileInfo.mFileInfo));
if (blobOrFileInfo.mBlob) {
PBackgroundIDBDatabaseFileChild* fileActor =
database->GetOrCreateFileActorForBlob(blobOrFileInfo.mBlob);
if (NS_WARN_IF(!fileActor)) {
IDB_REPORT_INTERNAL_ERR();
aRv = NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
return nullptr;
}
MOZ_ALWAYS_TRUE(fileActorOrMutableFileIds.AppendElement(fileActor));
} else {
const int64_t fileId = blobOrFileInfo.mFileInfo->Id();
MOZ_ASSERT(fileId > 0);
MOZ_ALWAYS_TRUE(fileActorOrMutableFileIds.AppendElement(fileId));
nsRefPtr<FileInfo>* newFileInfo = fileInfosToKeepAlive.AppendElement();
if (NS_WARN_IF(!newFileInfo)) {
aRv = NS_ERROR_OUT_OF_MEMORY;
return nullptr;
}
newFileInfo->swap(blobOrFileInfo.mFileInfo);
}
}
commonParams.files().SwapElements(fileActorOrMutableFileIds);
}
RequestParams params;
if (aOverwrite) {
params = ObjectStorePutParams(commonParams);
} else {
params = ObjectStoreAddParams(commonParams);
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
MOZ_ASSERT(request);
BackgroundRequestChild* actor = new BackgroundRequestChild(request);
mTransaction->StartRequest(actor, params);
if (!fileInfosToKeepAlive.IsEmpty()) {
nsTArray<nsRefPtr<FileInfo>> fileInfos;
fileInfosToKeepAlive.SwapElements(fileInfos);
actor->HoldFileInfosUntilComplete(fileInfos);
MOZ_ASSERT(fileInfos.IsEmpty());
}
#ifdef IDB_PROFILER_USE_MARKS
if (aOverwrite) {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).%s(%s)",
"IDBRequest[%llu] MT IDBObjectStore.put()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this),
key.IsUnset() ? "" : IDB_PROFILER_STRING(key));
} else {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).add(%s)",
"IDBRequest[%llu] MT IDBObjectStore.add()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this),
key.IsUnset() ? "" : IDB_PROFILER_STRING(key));
}
#endif
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 (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<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);
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
MOZ_ASSERT(request);
BackgroundRequestChild* actor = new BackgroundRequestChild(request);
mTransaction->StartRequest(actor, params);
#ifdef IDB_PROFILER_USE_MARKS
if (aKeysOnly) {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s)."
"getAllKeys(%s, %lu)",
"IDBRequest[%llu] MT IDBObjectStore.getAllKeys()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this),
IDB_PROFILER_STRING(aKeyRange),
aLimit);
} else {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s)."
"getAll(%s, %lu)",
"IDBRequest[%llu] MT IDBObjectStore.getAll()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this),
IDB_PROFILER_STRING(aKeyRange),
aLimit);
}
#endif
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::Clear(ErrorResult& aRv)
{
AssertIsOnOwningThread();
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();
nsRefPtr<IDBRequest> request = GenerateRequest(this);
MOZ_ASSERT(request);
BackgroundRequestChild* actor = new BackgroundRequestChild(request);
mTransaction->StartRequest(actor, params);
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).clear()",
"IDBRequest[%llu] MT IDBObjectStore.clear()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this));
return request.forget();
}
already_AddRefed<IDBIndex>
IDBObjectStore::Index(const nsAString& aName, ErrorResult &aRv)
{
AssertIsOnOwningThread();
if (mTransaction->IsFinished()) {
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();
nsRefPtr<IDBIndex> index;
for (uint32_t idxCount = mIndexes.Length(), idxIndex = 0;
idxIndex < idxCount;
idxIndex++) {
nsRefPtr<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_JSVAL_MEMBER_CALLBACK(mCachedKeyPath)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_SCRIPT_OBJECTS
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTransaction)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mIndexes);
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);
tmp->mCachedKeyPath = JSVAL_VOID;
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)
{
return IDBObjectStoreBinding::Wrap(aCx, this);
}
nsPIDOMWindow*
IDBObjectStore::GetParentObject() const
{
return mTransaction->GetParentObject();
}
void
IDBObjectStore::GetKeyPath(JSContext* aCx,
JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mCachedKeyPath.isUndefined()) {
JS::ExposeValueToActiveJS(mCachedKeyPath);
aResult.set(mCachedKeyPath);
return;
}
aRv = GetKeyPath().ToJSVal(aCx, mCachedKeyPath);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
if (mCachedKeyPath.isGCThing()) {
mozilla::HoldJSObjects(this);
mRooted = true;
}
JS::ExposeValueToActiveJS(mCachedKeyPath);
aResult.set(mCachedKeyPath);
}
already_AddRefed<DOMStringList>
IDBObjectStore::IndexNames()
{
AssertIsOnOwningThread();
const nsTArray<IndexMetadata>& indexes = mSpec->indexes();
nsRefPtr<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::Get(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<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;
}
ObjectStoreGetParams params;
params.objectStoreId() = Id();
keyRange->ToSerialized(params.keyRange());
nsRefPtr<IDBRequest> request = GenerateRequest(this);
MOZ_ASSERT(request);
BackgroundRequestChild* actor = new BackgroundRequestChild(request);
mTransaction->StartRequest(actor, params);
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).get(%s)",
"IDBRequest[%llu] MT IDBObjectStore.get()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange));
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::Delete(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
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;
}
nsRefPtr<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());
nsRefPtr<IDBRequest> request = GenerateRequest(this);
MOZ_ASSERT(request);
BackgroundRequestChild* actor = new BackgroundRequestChild(request);
mTransaction->StartRequest(actor, params);
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).delete(%s)",
"IDBRequest[%llu] MT IDBObjectStore.delete()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange));
return request.forget();
}
already_AddRefed<IDBIndex>
IDBObjectStore::CreateIndex(JSContext* aCx,
const nsAString& aName,
const nsAString& aKeyPath,
const IDBIndexParameters& aOptionalParameters,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
KeyPath keyPath(0);
if (NS_FAILED(KeyPath::Parse(aCx, aKeyPath, &keyPath)) ||
!keyPath.IsValid()) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
return CreateIndexInternal(aCx, aName, keyPath, aOptionalParameters, aRv);
}
already_AddRefed<IDBIndex>
IDBObjectStore::CreateIndex(JSContext* aCx,
const nsAString& aName,
const Sequence<nsString >& aKeyPath,
const IDBIndexParameters& aOptionalParameters,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
KeyPath keyPath(0);
if (aKeyPath.IsEmpty() ||
NS_FAILED(KeyPath::Parse(aCx, aKeyPath, &keyPath)) ||
!keyPath.IsValid()) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
return CreateIndexInternal(aCx, aName, keyPath, aOptionalParameters, aRv);
}
already_AddRefed<IDBIndex>
IDBObjectStore::CreateIndexInternal(
JSContext* aCx,
const nsAString& aName,
const KeyPath& aKeyPath,
const IDBIndexParameters& aOptionalParameters,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
IDBTransaction* transaction = IDBTransaction::GetCurrent();
if (!transaction ||
transaction != mTransaction ||
mTransaction->GetMode() != IDBTransaction::VERSION_CHANGE) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
MOZ_ASSERT(transaction->IsOpen());
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;
}
}
if (aOptionalParameters.mMultiEntry && aKeyPath.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();
IndexMetadata* metadata = indexes.AppendElement(
IndexMetadata(transaction->NextIndexId(), nsString(aName), aKeyPath,
aOptionalParameters.mUnique,
aOptionalParameters.mMultiEntry));
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);
nsRefPtr<IDBIndex> index = IDBIndex::Create(this, *metadata);
MOZ_ASSERT(index);
mIndexes.AppendElement(index);
IDB_PROFILER_MARK("IndexedDB Pseudo-request: "
"database(%s).transaction(%s).objectStore(%s)."
"createIndex(%s)",
"MT IDBObjectStore.createIndex()",
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(index));
return index.forget();
}
void
IDBObjectStore::DeleteIndex(const nsAString& aName, ErrorResult& aRv)
{
AssertIsOnOwningThread();
IDBTransaction* transaction = IDBTransaction::GetCurrent();
if (!transaction ||
transaction != mTransaction ||
mTransaction->GetMode() != IDBTransaction::VERSION_CHANGE) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return;
}
MOZ_ASSERT(transaction->IsOpen());
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++) {
nsRefPtr<IDBIndex>& index = mIndexes[indexIndex];
if (index->Id() == foundId) {
index->NoteDeletion();
mIndexes.RemoveElementAt(indexIndex);
break;
}
}
metadataArray.RemoveElementAt(metadataIndex);
RefreshSpec(/* aMayDelete */ false);
break;
}
}
if (!foundId) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR);
return;
}
transaction->DeleteIndex(this, foundId);
IDB_PROFILER_MARK("IndexedDB Pseudo-request: "
"database(%s).transaction(%s).objectStore(%s)."
"deleteIndex(\"%s\")",
"MT IDBObjectStore.deleteIndex()",
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this),
NS_ConvertUTF16toUTF8(aName).get());
}
already_AddRefed<IDBRequest>
IDBObjectStore::Count(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv)
{
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<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();
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
MOZ_ASSERT(request);
BackgroundRequestChild* actor = new BackgroundRequestChild(request);
mTransaction->StartRequest(actor, params);
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s).count(%s)",
"IDBRequest[%llu] MT IDBObjectStore.count()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange));
return request.forget();
}
already_AddRefed<IDBRequest>
IDBObjectStore::OpenCursorInternal(bool aKeysOnly,
JSContext* aCx,
JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection,
ErrorResult& aRv)
{
AssertIsOnOwningThread();
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
nsRefPtr<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);
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
MOZ_ASSERT(request);
BackgroundCursorChild* actor =
new BackgroundCursorChild(request, this, direction);
mTransaction->OpenCursor(actor, params);
#ifdef IDB_PROFILER_USE_MARKS
if (aKeysOnly) {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s)."
"openKeyCursor(%s, %s)",
"IDBRequest[%llu] MT IDBObjectStore.openKeyCursor()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange),
IDB_PROFILER_STRING(direction));
} else {
IDB_PROFILER_MARK("IndexedDB Request %llu: "
"database(%s).transaction(%s).objectStore(%s)."
"openCursor(%s, %s)",
"IDBRequest[%llu] MT IDBObjectStore.openKeyCursor()",
request->GetSerialNumber(),
IDB_PROFILER_STRING(Transaction()->Database()),
IDB_PROFILER_STRING(Transaction()),
IDB_PROFILER_STRING(this), IDB_PROFILER_STRING(aKeyRange),
IDB_PROFILER_STRING(direction));
}
#endif
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);
}
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();
}
bool
IDBObjectStore::AutoIncrement() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return mSpec->metadata().autoIncrement();
}
const KeyPath&
IDBObjectStore::GetKeyPath() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return mSpec->metadata().keyPath();
}
bool
IDBObjectStore::HasValidKeyPath() const
{
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return GetKeyPath().IsValid();
}
} // namespace indexedDB
} // namespace dom
} // namespace mozilla
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