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ac4e3f2f9954bd9dd586a03a9ad5127d7093bc08
tubestation/dom/indexedDB/IDBObjectStore.cpp
Ryan VanderMeulen ac4e3f2f99 Backed out 7 changesets (bug 1047483, bug 1079301, bug 1079335) for webplatform test failures. 
Backed out changeset 7d06b68c44d0 (bug 1079335)
Backed out changeset 92030169528e (bug 1079301)
Backed out changeset c09d7f95554a (bug 1047483)
Backed out changeset c199f1057d7e (bug 1047483)
Backed out changeset 18830d07884c (bug 1047483)
Backed out changeset e087289ccfbb (bug 1047483)
Backed out changeset 6238ff5d3ed0 (bug 1047483)

CLOSED TREE
2014-10-07 13:16:11 -04:00

2092 lines
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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/IDBMutableFileBinding.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 "nsDOMFile.h"
#include "nsIDOMFile.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
{
nsCOMPtr<nsIDOMBlob> 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!");
nsCOMPtr<nsIXPConnectWrappedNative> wrappedNative;
nsContentUtils::XPConnect()->
GetWrappedNativeOfJSObject(aCx, aObj, getter_AddRefs(wrappedNative));
if (wrappedNative) {
nsISupports* supports = wrappedNative->Native();
nsCOMPtr<nsIDOMBlob> blob = do_QueryInterface(supports);
if (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());
nsCOMPtr<nsIDOMFile> file = do_QueryInterface(blob);
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,
file ? 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 (file) {
uint64_t lastModifiedDate;
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(
file->GetMozLastModifiedDate(&lastModifiedDate)));
lastModifiedDate = NativeEndian::swapToLittleEndian(lastModifiedDate);
nsString name;
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(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;
}
}
IDBObjectStore::StructuredCloneWriteInfo::BlobOrFileInfo*
newBlobOrFileInfo =
cloneWriteInfo->mBlobOrFileInfos.AppendElement();
newBlobOrFileInfo->mBlob.swap(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(nsIDOMBlob* aBlob)
{
MOZ_ASSERT(aBlob);
nsRefPtr<DOMFile> blob = static_cast<DOMFile*>(aBlob);
nsCOMPtr<nsIRemoteBlob> remoteBlob = do_QueryInterface(blob->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(nsIDOMBlob* 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(nsIDOMBlob* 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,
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!");
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);
nsresult rv =
nsContentUtils::WrapNative(aCx,
aFile.mFile,
&NS_GET_IID(nsIDOMBlob),
&wrappedBlob);
if (NS_WARN_IF(NS_FAILED(rv))) {
return false;
}
aResult.set(&wrappedBlob.toObject());
return true;
}
nsCOMPtr<nsIDOMFile> domFile = do_QueryInterface(aFile.mFile);
MOZ_ASSERT(domFile);
if (NS_WARN_IF(!ResolveMysteryFile(domFile,
aData.name,
aData.type,
aData.size,
aData.lastModifiedDate))) {
return false;
}
JS::Rooted<JS::Value> wrappedFile(aCx);
nsresult rv =
nsContentUtils::WrapNative(aCx,
aFile.mFile,
&NS_GET_IID(nsIDOMFile),
&wrappedFile);
if (NS_WARN_IF(NS_FAILED(rv))) {
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,
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,
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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