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gecko-dev/dom/indexedDB/IDBObjectStore.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "IDBObjectStore.h"
#include "FileInfo.h"
#include "IDBCursor.h"
#include "IDBDatabase.h"
#include "IDBEvents.h"
#include "IDBFactory.h"
#include "IDBIndex.h"
#include "IDBKeyRange.h"
#include "IDBMutableFile.h"
#include "IDBRequest.h"
#include "IDBTransaction.h"
#include "IndexedDatabase.h"
#include "IndexedDatabaseInlines.h"
#include "IndexedDatabaseManager.h"
#include "js/Class.h"
#include "js/Date.h"
#include "js/StructuredClone.h"
#include "KeyPath.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/EndianUtils.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/JSObjectHolder.h"
#include "mozilla/Move.h"
#include "mozilla/NullPrincipal.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMStringList.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/FileBlobImpl.h"
#include "mozilla/dom/IDBMutableFileBinding.h"
#include "mozilla/dom/BlobBinding.h"
#include "mozilla/dom/IDBObjectStoreBinding.h"
#include "mozilla/dom/MemoryBlobImpl.h"
#include "mozilla/dom/StreamBlobImpl.h"
#include "mozilla/dom/StructuredCloneHolder.h"
#include "mozilla/dom/StructuredCloneTags.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBSharedTypes.h"
#include "mozilla/dom/WorkerPrivate.h"
#include "mozilla/dom/WorkerScope.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
#include "mozilla/SystemGroup.h"
#include "nsCOMPtr.h"
#include "nsQueryObject.h"
#include "nsStreamUtils.h"
#include "nsStringStream.h"
#include "ProfilerHelpers.h"
#include "ReportInternalError.h"
// Include this last to avoid path problems on Windows.
#include "ActorsChild.h"
namespace mozilla {
namespace dom {
using namespace mozilla::dom::indexedDB;
using namespace mozilla::dom::quota;
using namespace mozilla::ipc;
namespace {
IndexUpdateInfo MakeIndexUpdateInfo(const int64_t aIndexID, const Key& aKey,
const nsCString& aLocale,
ErrorResult* const aRv) {
IndexUpdateInfo indexUpdateInfo;
indexUpdateInfo.indexId() = aIndexID;
indexUpdateInfo.value() = aKey;
if (!aLocale.IsEmpty()) {
const auto result =
aKey.ToLocaleAwareKey(indexUpdateInfo.localizedValue(), aLocale, *aRv);
if (result.Is(Invalid, *aRv)) {
aRv->Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
}
return indexUpdateInfo;
}
} // namespace
struct IDBObjectStore::StructuredCloneWriteInfo {
JSAutoStructuredCloneBuffer mCloneBuffer;
nsTArray<StructuredCloneFile> mFiles;
IDBDatabase* mDatabase;
uint64_t mOffsetToKeyProp;
explicit StructuredCloneWriteInfo(IDBDatabase* aDatabase)
: mCloneBuffer(JS::StructuredCloneScope::DifferentProcessForIndexedDB,
nullptr, nullptr),
mDatabase(aDatabase),
mOffsetToKeyProp(0) {
MOZ_ASSERT(aDatabase);
MOZ_COUNT_CTOR(StructuredCloneWriteInfo);
}
StructuredCloneWriteInfo(StructuredCloneWriteInfo&& aCloneWriteInfo)
: mCloneBuffer(std::move(aCloneWriteInfo.mCloneBuffer)),
mDatabase(aCloneWriteInfo.mDatabase),
mOffsetToKeyProp(aCloneWriteInfo.mOffsetToKeyProp) {
MOZ_ASSERT(mDatabase);
MOZ_COUNT_CTOR(StructuredCloneWriteInfo);
mFiles.SwapElements(aCloneWriteInfo.mFiles);
aCloneWriteInfo.mOffsetToKeyProp = 0;
}
~StructuredCloneWriteInfo() { MOZ_COUNT_DTOR(StructuredCloneWriteInfo); }
};
// Used by ValueWrapper::Clone to hold strong references to any blob-like
// objects through the clone process. This is necessary because:
// - The structured clone process may trigger content code via getters/other
// which can potentially cause existing strong references to be dropped,
// necessitating the clone to hold its own strong references.
// - The structured clone can abort partway through, so it's necessary to track
// what strong references have been acquired so that they can be freed even
// if a de-serialization does not occur.
struct IDBObjectStore::StructuredCloneInfo {
nsTArray<StructuredCloneFile> mFiles;
};
namespace {
struct MOZ_STACK_CLASS MutableFileData final {
nsString type;
nsString name;
MutableFileData() { MOZ_COUNT_CTOR(MutableFileData); }
~MutableFileData() { MOZ_COUNT_DTOR(MutableFileData); }
};
struct MOZ_STACK_CLASS BlobOrFileData final {
uint32_t tag;
uint64_t size;
nsString type;
nsString name;
int64_t lastModifiedDate;
BlobOrFileData() : tag(0), size(0), lastModifiedDate(INT64_MAX) {
MOZ_COUNT_CTOR(BlobOrFileData);
}
~BlobOrFileData() { MOZ_COUNT_DTOR(BlobOrFileData); }
};
struct MOZ_STACK_CLASS WasmModuleData final {
uint32_t bytecodeIndex;
uint32_t compiledIndex;
uint32_t flags;
explicit WasmModuleData(uint32_t aFlags)
: bytecodeIndex(0), compiledIndex(0), flags(aFlags) {
MOZ_COUNT_CTOR(WasmModuleData);
}
~WasmModuleData() { MOZ_COUNT_DTOR(WasmModuleData); }
};
struct MOZ_STACK_CLASS GetAddInfoClosure final {
IDBObjectStore::StructuredCloneWriteInfo& mCloneWriteInfo;
JS::Handle<JS::Value> mValue;
GetAddInfoClosure(IDBObjectStore::StructuredCloneWriteInfo& aCloneWriteInfo,
JS::Handle<JS::Value> aValue)
: mCloneWriteInfo(aCloneWriteInfo), mValue(aValue) {
MOZ_COUNT_CTOR(GetAddInfoClosure);
}
~GetAddInfoClosure() { MOZ_COUNT_DTOR(GetAddInfoClosure); }
};
already_AddRefed<IDBRequest> GenerateRequest(JSContext* aCx,
IDBObjectStore* aObjectStore) {
MOZ_ASSERT(aObjectStore);
aObjectStore->AssertIsOnOwningThread();
IDBTransaction* const transaction = aObjectStore->Transaction();
RefPtr<IDBRequest> request = IDBRequest::Create(
aCx, 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* const cloneWriteInfo =
static_cast<IDBObjectStore::StructuredCloneWriteInfo*>(aClosure);
if (JS_GetClass(aObj) == IDBObjectStore::DummyPropClass()) {
MOZ_ASSERT(!cloneWriteInfo->mOffsetToKeyProp);
cloneWriteInfo->mOffsetToKeyProp = js::GetSCOffset(aWriter);
uint64_t value = 0;
// Omit endian swap
return JS_WriteBytes(aWriter, &value, sizeof(value));
}
// UNWRAP_OBJECT calls might mutate this.
JS::Rooted<JSObject*> obj(aCx, aObj);
IDBMutableFile* mutableFile;
if (NS_SUCCEEDED(UNWRAP_OBJECT(IDBMutableFile, &obj, mutableFile))) {
if (cloneWriteInfo->mDatabase->IsFileHandleDisabled()) {
return false;
}
IDBDatabase* const database = mutableFile->Database();
MOZ_ASSERT(database);
// Throw when trying to store IDBMutableFile objects that live in a
// different database.
if (database != cloneWriteInfo->mDatabase) {
MOZ_ASSERT(!SameCOMIdentity(database, cloneWriteInfo->mDatabase));
if (database->Name() != cloneWriteInfo->mDatabase->Name()) {
return false;
}
nsCString fileOrigin, databaseOrigin;
PersistenceType filePersistenceType, databasePersistenceType;
if (NS_WARN_IF(NS_FAILED(
database->GetQuotaInfo(fileOrigin, &filePersistenceType)))) {
return false;
}
if (NS_WARN_IF(NS_FAILED(cloneWriteInfo->mDatabase->GetQuotaInfo(
databaseOrigin, &databasePersistenceType)))) {
return false;
}
if (filePersistenceType != databasePersistenceType ||
fileOrigin != databaseOrigin) {
return false;
}
}
if (cloneWriteInfo->mFiles.Length() > size_t(UINT32_MAX)) {
MOZ_ASSERT(false, "Fix the structured clone data to use a bigger type!");
return false;
}
const uint32_t index = cloneWriteInfo->mFiles.Length();
const NS_ConvertUTF16toUTF8 convType(mutableFile->Type());
const uint32_t convTypeLength =
NativeEndian::swapToLittleEndian(convType.Length());
const NS_ConvertUTF16toUTF8 convName(mutableFile->Name());
const uint32_t convNameLength =
NativeEndian::swapToLittleEndian(convName.Length());
if (!JS_WriteUint32Pair(aWriter, SCTAG_DOM_MUTABLEFILE, uint32_t(index)) ||
!JS_WriteBytes(aWriter, &convTypeLength, sizeof(uint32_t)) ||
!JS_WriteBytes(aWriter, convType.get(), convType.Length()) ||
!JS_WriteBytes(aWriter, &convNameLength, sizeof(uint32_t)) ||
!JS_WriteBytes(aWriter, convName.get(), convName.Length())) {
return false;
}
StructuredCloneFile* const newFile = cloneWriteInfo->mFiles.AppendElement();
newFile->mMutableFile = mutableFile;
newFile->mType = StructuredCloneFile::eMutableFile;
return true;
}
{
Blob* blob = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(Blob, &obj, blob))) {
ErrorResult rv;
const uint64_t nativeEndianSize = blob->GetSize(rv);
MOZ_ASSERT(!rv.Failed());
const uint64_t size = NativeEndian::swapToLittleEndian(nativeEndianSize);
nsString type;
blob->GetType(type);
const NS_ConvertUTF16toUTF8 convType(type);
const uint32_t convTypeLength =
NativeEndian::swapToLittleEndian(convType.Length());
if (cloneWriteInfo->mFiles.Length() > size_t(UINT32_MAX)) {
MOZ_ASSERT(false,
"Fix the structured clone data to use a bigger type!");
return false;
}
const uint32_t index = cloneWriteInfo->mFiles.Length();
if (!JS_WriteUint32Pair(aWriter,
blob->IsFile() ? SCTAG_DOM_FILE : SCTAG_DOM_BLOB,
index) ||
!JS_WriteBytes(aWriter, &size, sizeof(size)) ||
!JS_WriteBytes(aWriter, &convTypeLength, sizeof(convTypeLength)) ||
!JS_WriteBytes(aWriter, convType.get(), convType.Length())) {
return false;
}
const RefPtr<File> file = blob->ToFile();
if (file) {
ErrorResult rv;
const int64_t nativeEndianLastModifiedDate = file->GetLastModified(rv);
MOZ_ALWAYS_TRUE(!rv.Failed());
const int64_t lastModifiedDate =
NativeEndian::swapToLittleEndian(nativeEndianLastModifiedDate);
nsString name;
file->GetName(name);
const NS_ConvertUTF16toUTF8 convName(name);
const uint32_t convNameLength =
NativeEndian::swapToLittleEndian(convName.Length());
if (!JS_WriteBytes(aWriter, &lastModifiedDate,
sizeof(lastModifiedDate)) ||
!JS_WriteBytes(aWriter, &convNameLength, sizeof(convNameLength)) ||
!JS_WriteBytes(aWriter, convName.get(), convName.Length())) {
return false;
}
}
StructuredCloneFile* const newFile =
cloneWriteInfo->mFiles.AppendElement();
newFile->mBlob = blob;
newFile->mType = StructuredCloneFile::eBlob;
return true;
}
}
return StructuredCloneHolder::WriteFullySerializableObjects(aCx, aWriter,
aObj);
}
bool CopyingStructuredCloneWriteCallback(JSContext* aCx,
JSStructuredCloneWriter* aWriter,
JS::Handle<JSObject*> aObj,
void* aClosure) {
MOZ_ASSERT(aCx);
MOZ_ASSERT(aWriter);
MOZ_ASSERT(aClosure);
auto* const cloneInfo =
static_cast<IDBObjectStore::StructuredCloneInfo*>(aClosure);
// UNWRAP_OBJECT calls might mutate this.
JS::Rooted<JSObject*> obj(aCx, aObj);
{
Blob* blob = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(Blob, &obj, blob))) {
if (cloneInfo->mFiles.Length() > size_t(UINT32_MAX)) {
MOZ_ASSERT(false,
"Fix the structured clone data to use a bigger type!");
return false;
}
const uint32_t index = cloneInfo->mFiles.Length();
if (!JS_WriteUint32Pair(aWriter,
blob->IsFile() ? SCTAG_DOM_FILE : SCTAG_DOM_BLOB,
index)) {
return false;
}
StructuredCloneFile* const newFile = cloneInfo->mFiles.AppendElement();
newFile->mBlob = blob;
newFile->mType = StructuredCloneFile::eBlob;
return true;
}
}
{
IDBMutableFile* mutableFile;
if (NS_SUCCEEDED(UNWRAP_OBJECT(IDBMutableFile, &obj, mutableFile))) {
if (cloneInfo->mFiles.Length() > size_t(UINT32_MAX)) {
MOZ_ASSERT(false,
"Fix the structured clone data to use a bigger type!");
return false;
}
const uint32_t index = cloneInfo->mFiles.Length();
if (!JS_WriteUint32Pair(aWriter, SCTAG_DOM_MUTABLEFILE, index)) {
return false;
}
StructuredCloneFile* const newFile = cloneInfo->mFiles.AppendElement();
newFile->mMutableFile = mutableFile;
newFile->mType = StructuredCloneFile::eMutableFile;
return true;
}
}
return StructuredCloneHolder::WriteFullySerializableObjects(aCx, aWriter,
aObj);
}
nsresult GetAddInfoCallback(JSContext* aCx, void* aClosure) {
static const JSStructuredCloneCallbacks kStructuredCloneCallbacks = {
nullptr /* read */,
StructuredCloneWriteCallback /* write */,
nullptr /* reportError */,
nullptr /* readTransfer */,
nullptr /* writeTransfer */,
nullptr /* freeTransfer */,
nullptr /* canTransfer */
};
MOZ_ASSERT(aCx);
auto* const data = static_cast<GetAddInfoClosure*>(aClosure);
MOZ_ASSERT(data);
data->mCloneWriteInfo.mOffsetToKeyProp = 0;
if (!data->mCloneWriteInfo.mCloneBuffer.write(aCx, data->mValue,
&kStructuredCloneCallbacks,
&data->mCloneWriteInfo)) {
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
return NS_OK;
}
bool ResolveMysteryMutableFile(IDBMutableFile* aMutableFile,
const nsString& aName, const nsString& aType) {
MOZ_ASSERT(aMutableFile);
aMutableFile->SetLazyData(aName, aType);
return true;
}
bool StructuredCloneReadString(JSStructuredCloneReader* aReader,
nsCString& aString) {
uint32_t length;
if (!JS_ReadBytes(aReader, &length, sizeof(uint32_t))) {
NS_WARNING("Failed to read length!");
return false;
}
length = NativeEndian::swapFromLittleEndian(length);
if (!aString.SetLength(length, fallible)) {
NS_WARNING("Out of memory?");
return false;
}
char* const buffer = aString.BeginWriting();
if (!JS_ReadBytes(aReader, buffer, length)) {
NS_WARNING("Failed to read type!");
return false;
}
return true;
}
bool ReadFileHandle(JSStructuredCloneReader* aReader,
MutableFileData* aRetval) {
static_assert(SCTAG_DOM_MUTABLEFILE == 0xFFFF8004, "Update me!");
MOZ_ASSERT(aReader && aRetval);
nsCString type;
if (!StructuredCloneReadString(aReader, type)) {
return false;
}
CopyUTF8toUTF16(type, aRetval->type);
nsCString name;
if (!StructuredCloneReadString(aReader, name)) {
return false;
}
CopyUTF8toUTF16(name, aRetval->name);
return true;
}
bool ReadBlobOrFile(JSStructuredCloneReader* aReader, uint32_t aTag,
BlobOrFileData* aRetval) {
static_assert(SCTAG_DOM_BLOB == 0xffff8001 &&
SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE == 0xffff8002 &&
SCTAG_DOM_FILE == 0xffff8005,
"Update me!");
MOZ_ASSERT(aReader);
MOZ_ASSERT(aTag == SCTAG_DOM_FILE ||
aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aTag == SCTAG_DOM_BLOB);
MOZ_ASSERT(aRetval);
aRetval->tag = aTag;
uint64_t size;
if (NS_WARN_IF(!JS_ReadBytes(aReader, &size, sizeof(uint64_t)))) {
return false;
}
aRetval->size = NativeEndian::swapFromLittleEndian(size);
nsCString type;
if (NS_WARN_IF(!StructuredCloneReadString(aReader, type))) {
return false;
}
CopyUTF8toUTF16(type, aRetval->type);
// Blobs are done.
if (aTag == SCTAG_DOM_BLOB) {
return true;
}
MOZ_ASSERT(aTag == SCTAG_DOM_FILE ||
aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE);
int64_t lastModifiedDate;
if (aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE) {
lastModifiedDate = INT64_MAX;
} else {
if (NS_WARN_IF(!JS_ReadBytes(aReader, &lastModifiedDate,
sizeof(lastModifiedDate)))) {
return false;
}
lastModifiedDate = NativeEndian::swapFromLittleEndian(lastModifiedDate);
}
aRetval->lastModifiedDate = lastModifiedDate;
nsCString name;
if (NS_WARN_IF(!StructuredCloneReadString(aReader, name))) {
return false;
}
CopyUTF8toUTF16(name, aRetval->name);
return true;
}
bool ReadWasmModule(JSStructuredCloneReader* aReader, WasmModuleData* aRetval) {
static_assert(SCTAG_DOM_WASM == 0xFFFF8006, "Update me!");
MOZ_ASSERT(aReader && aRetval);
uint32_t bytecodeIndex;
uint32_t compiledIndex;
if (NS_WARN_IF(!JS_ReadUint32Pair(aReader, &bytecodeIndex, &compiledIndex))) {
return false;
}
aRetval->bytecodeIndex = bytecodeIndex;
aRetval->compiledIndex = compiledIndex;
return true;
}
class ValueDeserializationHelper {
public:
static bool CreateAndWrapMutableFile(JSContext* aCx,
StructuredCloneFile& aFile,
const MutableFileData& aData,
JS::MutableHandle<JSObject*> aResult) {
MOZ_ASSERT(aCx);
// If we have eBlob, we are in an IDB SQLite schema upgrade where we don't
// care about a real 'MutableFile', but we just care of having a propert
// |mType| flag.
if (aFile.mType == StructuredCloneFile::eBlob) {
aFile.mType = StructuredCloneFile::eMutableFile;
// Just make a dummy object.
JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
if (NS_WARN_IF(!obj)) {
return false;
}
aResult.set(obj);
return true;
}
MOZ_ASSERT(aFile.mType == StructuredCloneFile::eMutableFile);
if (!aFile.mMutableFile || !NS_IsMainThread()) {
return false;
}
if (NS_WARN_IF(!ResolveMysteryMutableFile(aFile.mMutableFile, aData.name,
aData.type))) {
return false;
}
JS::Rooted<JS::Value> wrappedMutableFile(aCx);
if (!ToJSValue(aCx, aFile.mMutableFile, &wrappedMutableFile)) {
return false;
}
aResult.set(&wrappedMutableFile.toObject());
return true;
}
static bool CreateAndWrapBlobOrFile(JSContext* aCx, IDBDatabase* aDatabase,
StructuredCloneFile& aFile,
const BlobOrFileData& aData,
JS::MutableHandle<JSObject*> aResult) {
MOZ_ASSERT(aCx);
MOZ_ASSERT(aData.tag == SCTAG_DOM_FILE ||
aData.tag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aData.tag == SCTAG_DOM_BLOB);
MOZ_ASSERT(aFile.mType == StructuredCloneFile::eBlob);
RefPtr<Blob> blob = aFile.mBlob;
// It can happen that this IDB is chrome code, so there is no parent, but
// still we want to set a correct parent for the new File object.
nsCOMPtr<nsIGlobalObject> global;
if (NS_IsMainThread()) {
if (aDatabase && aDatabase->GetParentObject()) {
global = aDatabase->GetParentObject();
} else {
global = xpc::CurrentNativeGlobal(aCx);
}
} else {
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
WorkerGlobalScope* globalScope = workerPrivate->GlobalScope();
MOZ_ASSERT(globalScope);
global = do_QueryObject(globalScope);
}
MOZ_ASSERT(global);
/* If we are creating an index, we do not have an mBlob but do have an
* mInfo. Unlike other index or upgrade cases, we do need a real-looking
* Blob/File instance because the index's key path can reference their
* properties. Rather than create a fake-looking object, create a real
* Blob. */
if (!blob) {
MOZ_ASSERT(aFile.mFileInfo);
const nsCOMPtr<nsIFile> file =
FileInfo::GetFileForFileInfo(aFile.mFileInfo);
if (!file) {
return false;
}
const RefPtr<FileBlobImpl> impl = new FileBlobImpl(file);
impl->SetFileId(aFile.mFileInfo->Id());
blob = File::Create(global, impl);
if (NS_WARN_IF(!blob)) {
return false;
}
}
if (aData.tag == SCTAG_DOM_BLOB) {
blob->Impl()->SetLazyData(VoidString(), aData.type, aData.size,
INT64_MAX);
MOZ_ASSERT(!blob->IsFile());
// ActorsParent sends here a kind of half blob and half file wrapped into
// a DOM File object. DOM File and DOM Blob are a WebIDL wrapper around a
// BlobImpl object. SetLazyData() has just changed the BlobImpl to be a
// Blob (see the previous assert), but 'blob' still has the WebIDL DOM
// File wrapping.
// Before exposing it to content, we must recreate a DOM Blob object.
const RefPtr<Blob> exposedBlob =
Blob::Create(blob->GetParentObject(), blob->Impl());
if (NS_WARN_IF(!exposedBlob)) {
return false;
}
MOZ_ASSERT(exposedBlob);
JS::Rooted<JS::Value> wrappedBlob(aCx);
if (!ToJSValue(aCx, exposedBlob, &wrappedBlob)) {
return false;
}
aResult.set(&wrappedBlob.toObject());
return true;
}
blob->Impl()->SetLazyData(aData.name, aData.type, aData.size,
aData.lastModifiedDate * PR_USEC_PER_MSEC);
MOZ_ASSERT(blob->IsFile());
const RefPtr<File> file = blob->ToFile();
MOZ_ASSERT(file);
JS::Rooted<JS::Value> wrappedFile(aCx);
if (!ToJSValue(aCx, file, &wrappedFile)) {
return false;
}
aResult.set(&wrappedFile.toObject());
return true;
}
static bool CreateAndWrapWasmModule(JSContext* aCx,
StructuredCloneFile& aFile,
const WasmModuleData& aData,
JS::MutableHandle<JSObject*> aResult) {
MOZ_ASSERT(aCx);
MOZ_ASSERT(aFile.mType == StructuredCloneFile::eWasmBytecode);
MOZ_ASSERT(!aFile.mBlob);
// Just create a plain object here, support for de-serialization of
// WebAssembly.Modules has been removed in bug 1561876. Full removal is
// tracked in bug 1487479.
JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
if (NS_WARN_IF(!obj)) {
return false;
}
aResult.set(obj);
return true;
}
};
JSObject* CommonStructuredCloneReadCallback(JSContext* aCx,
JSStructuredCloneReader* aReader,
uint32_t aTag, uint32_t aData,
void* aClosure) {
// We need to statically assert that our tag values are what we expect
// so that if people accidentally change them they notice.
static_assert(SCTAG_DOM_BLOB == 0xffff8001 &&
SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE == 0xffff8002 &&
SCTAG_DOM_MUTABLEFILE == 0xffff8004 &&
SCTAG_DOM_FILE == 0xffff8005 &&
SCTAG_DOM_WASM == 0xffff8006,
"You changed our structured clone tag values and just ate "
"everyone's IndexedDB data. I hope you are happy.");
if (aTag == SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE ||
aTag == SCTAG_DOM_BLOB || aTag == SCTAG_DOM_FILE ||
aTag == SCTAG_DOM_MUTABLEFILE || aTag == SCTAG_DOM_WASM) {
auto* const cloneReadInfo = static_cast<StructuredCloneReadInfo*>(aClosure);
JS::Rooted<JSObject*> result(aCx);
if (aTag == SCTAG_DOM_WASM) {
WasmModuleData data(aData);
if (NS_WARN_IF(!ReadWasmModule(aReader, &data))) {
return nullptr;
}
MOZ_ASSERT(data.compiledIndex == data.bytecodeIndex + 1);
MOZ_ASSERT(!data.flags);
if (data.bytecodeIndex >= cloneReadInfo->mFiles.Length() ||
data.compiledIndex >= cloneReadInfo->mFiles.Length()) {
MOZ_ASSERT(false, "Bad index value!");
return nullptr;
}
StructuredCloneFile& file = cloneReadInfo->mFiles[data.bytecodeIndex];
if (NS_WARN_IF(!ValueDeserializationHelper::CreateAndWrapWasmModule(
aCx, file, data, &result))) {
return nullptr;
}
return result;
}
if (aData >= cloneReadInfo->mFiles.Length()) {
MOZ_ASSERT(false, "Bad index value!");
return nullptr;
}
StructuredCloneFile& file = cloneReadInfo->mFiles[aData];
if (aTag == SCTAG_DOM_MUTABLEFILE) {
MutableFileData data;
if (NS_WARN_IF(!ReadFileHandle(aReader, &data))) {
return nullptr;
}
if (NS_WARN_IF(!ValueDeserializationHelper::CreateAndWrapMutableFile(
aCx, file, data, &result))) {
return nullptr;
}
return result;
}
BlobOrFileData data;
if (NS_WARN_IF(!ReadBlobOrFile(aReader, aTag, &data))) {
return nullptr;
}
if (NS_WARN_IF(!ValueDeserializationHelper::CreateAndWrapBlobOrFile(
aCx, cloneReadInfo->mDatabase, file, data, &result))) {
return nullptr;
}
return result;
}
return StructuredCloneHolder::ReadFullySerializableObjects(aCx, aReader,
aTag);
}
JSObject* CopyingStructuredCloneReadCallback(JSContext* aCx,
JSStructuredCloneReader* aReader,
uint32_t aTag, uint32_t aData,
void* aClosure) {
MOZ_ASSERT(aTag != SCTAG_DOM_FILE_WITHOUT_LASTMODIFIEDDATE);
if (aTag == SCTAG_DOM_BLOB || aTag == SCTAG_DOM_FILE ||
aTag == SCTAG_DOM_MUTABLEFILE) {
auto* const cloneInfo =
static_cast<IDBObjectStore::StructuredCloneInfo*>(aClosure);
JS::Rooted<JSObject*> result(aCx);
if (aData >= cloneInfo->mFiles.Length()) {
MOZ_ASSERT(false, "Bad index value!");
return nullptr;
}
StructuredCloneFile& file = cloneInfo->mFiles[aData];
if (aTag == SCTAG_DOM_BLOB) {
MOZ_ASSERT(file.mType == StructuredCloneFile::eBlob);
MOZ_ASSERT(!file.mBlob->IsFile());
JS::Rooted<JS::Value> wrappedBlob(aCx);
if (NS_WARN_IF(!ToJSValue(aCx, file.mBlob, &wrappedBlob))) {
return nullptr;
}
result.set(&wrappedBlob.toObject());
return result;
}
if (aTag == SCTAG_DOM_FILE) {
MOZ_ASSERT(file.mType == StructuredCloneFile::eBlob);
{
// Create a scope so ~RefPtr fires before returning an unwrapped
// JS::Value.
const RefPtr<Blob> blob = file.mBlob;
MOZ_ASSERT(blob->IsFile());
const RefPtr<File> file = blob->ToFile();
MOZ_ASSERT(file);
JS::Rooted<JS::Value> wrappedFile(aCx);
if (NS_WARN_IF(!ToJSValue(aCx, file, &wrappedFile))) {
return nullptr;
}
result.set(&wrappedFile.toObject());
}
return result;
}
MOZ_ASSERT(file.mType == StructuredCloneFile::eMutableFile);
JS::Rooted<JS::Value> wrappedMutableFile(aCx);
if (NS_WARN_IF(!ToJSValue(aCx, file.mMutableFile, &wrappedMutableFile))) {
return nullptr;
}
result.set(&wrappedMutableFile.toObject());
return result;
}
return StructuredCloneHolder::ReadFullySerializableObjects(aCx, aReader,
aTag);
}
} // namespace
const JSClass IDBObjectStore::sDummyPropJSClass = {
"IDBObjectStore Dummy", 0 /* flags */
};
IDBObjectStore::IDBObjectStore(IDBTransaction* aTransaction,
const ObjectStoreSpec* aSpec)
: mTransaction(aTransaction),
mCachedKeyPath(JS::UndefinedValue()),
mSpec(aSpec),
mId(aSpec->metadata().id()),
mRooted(false) {
MOZ_ASSERT(aTransaction);
aTransaction->AssertIsOnOwningThread();
MOZ_ASSERT(aSpec);
}
IDBObjectStore::~IDBObjectStore() {
AssertIsOnOwningThread();
if (mRooted) {
mCachedKeyPath.setUndefined();
mozilla::DropJSObjects(this);
}
}
// static
already_AddRefed<IDBObjectStore> IDBObjectStore::Create(
IDBTransaction* aTransaction, const ObjectStoreSpec& aSpec) {
MOZ_ASSERT(aTransaction);
aTransaction->AssertIsOnOwningThread();
RefPtr<IDBObjectStore> objectStore = new IDBObjectStore(aTransaction, &aSpec);
return objectStore.forget();
}
// static
void IDBObjectStore::AppendIndexUpdateInfo(
const int64_t aIndexID, const KeyPath& aKeyPath, const bool aMultiEntry,
const nsCString& aLocale, JSContext* const aCx, JS::Handle<JS::Value> aVal,
nsTArray<IndexUpdateInfo>* const aUpdateInfoArray, ErrorResult* const aRv) {
// This precondition holds when `aVal` is the result of a structured clone.
js::AutoAssertNoContentJS noContentJS(aCx);
if (!aMultiEntry) {
Key key;
*aRv = aKeyPath.ExtractKey(aCx, aVal, key);
// If an index's keyPath doesn't match an object, we ignore that object.
if (aRv->ErrorCodeIs(NS_ERROR_DOM_INDEXEDDB_DATA_ERR) || key.IsUnset()) {
aRv->SuppressException();
return;
}
if (aRv->Failed()) {
return;
}
*aUpdateInfoArray->AppendElement() =
MakeIndexUpdateInfo(aIndexID, key, aLocale, aRv);
return;
}
JS::Rooted<JS::Value> val(aCx);
if (NS_FAILED(aKeyPath.ExtractKeyAsJSVal(aCx, aVal, val.address()))) {
return;
}
bool isArray;
if (NS_WARN_IF(!JS_IsArrayObject(aCx, val, &isArray))) {
IDB_REPORT_INTERNAL_ERR();
aRv->Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return;
}
if (isArray) {
JS::Rooted<JSObject*> array(aCx, &val.toObject());
uint32_t arrayLength;
if (NS_WARN_IF(!JS_GetArrayLength(aCx, array, &arrayLength))) {
IDB_REPORT_INTERNAL_ERR();
aRv->Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return;
}
for (uint32_t arrayIndex = 0; arrayIndex < arrayLength; arrayIndex++) {
JS::RootedId indexId(aCx);
if (NS_WARN_IF(!JS_IndexToId(aCx, arrayIndex, &indexId))) {
IDB_REPORT_INTERNAL_ERR();
aRv->Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return;
}
bool hasOwnProperty;
if (NS_WARN_IF(
!JS_HasOwnPropertyById(aCx, array, indexId, &hasOwnProperty))) {
IDB_REPORT_INTERNAL_ERR();
aRv->Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return;
}
if (!hasOwnProperty) {
continue;
}
JS::RootedValue arrayItem(aCx);
if (NS_WARN_IF(!JS_GetPropertyById(aCx, array, indexId, &arrayItem))) {
IDB_REPORT_INTERNAL_ERR();
aRv->Throw(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return;
}
Key value;
const auto result = value.SetFromJSVal(aCx, arrayItem, *aRv);
if (!result.Is(Ok, *aRv) || value.IsUnset()) {
// Not a value we can do anything with, ignore it.
aRv->SuppressException();
continue;
}
*aUpdateInfoArray->AppendElement() =
MakeIndexUpdateInfo(aIndexID, value, aLocale, aRv);
if (aRv->Failed()) {
return;
}
}
} else {
Key value;
const auto result = value.SetFromJSVal(aCx, val, *aRv);
if (!result.Is(Ok, *aRv) || value.IsUnset()) {
// Not a value we can do anything with, ignore it.
aRv->SuppressException();
return;
}
*aUpdateInfoArray->AppendElement() =
MakeIndexUpdateInfo(aIndexID, value, aLocale, aRv);
}
}
// static
void IDBObjectStore::ClearCloneReadInfo(StructuredCloneReadInfo& aReadInfo) {
// This is kind of tricky, we only want to release stuff on the main thread,
// but we can end up being called on other threads if we have already been
// cleared on the main thread.
if (!aReadInfo.mFiles.Length()) {
return;
}
aReadInfo.mFiles.Clear();
}
// static
bool IDBObjectStore::DeserializeValue(JSContext* aCx,
StructuredCloneReadInfo& aCloneReadInfo,
JS::MutableHandle<JS::Value> aValue) {
MOZ_ASSERT(aCx);
if (!aCloneReadInfo.mData.Size()) {
aValue.setUndefined();
return true;
}
MOZ_ASSERT(!(aCloneReadInfo.mData.Size() % sizeof(uint64_t)));
static const JSStructuredCloneCallbacks callbacks = {
CommonStructuredCloneReadCallback,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr};
// FIXME: Consider to use StructuredCloneHolder here and in other
// deserializing methods.
if (!JS_ReadStructuredClone(
aCx, aCloneReadInfo.mData, JS_STRUCTURED_CLONE_VERSION,
JS::StructuredCloneScope::DifferentProcessForIndexedDB, aValue,
JS::CloneDataPolicy(), &callbacks, &aCloneReadInfo)) {
return false;
}
return true;
}
namespace {
// This class helps to create only 1 sandbox.
class SandboxHolder final {
public:
NS_INLINE_DECL_REFCOUNTING(SandboxHolder)
static JSObject* GetSandbox(JSContext* aCx) {
SandboxHolder* holder = GetOrCreate();
return holder->GetSandboxInternal(aCx);
}
private:
~SandboxHolder() = default;
static SandboxHolder* GetOrCreate() {
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(NS_IsMainThread());
static StaticRefPtr<SandboxHolder> sHolder;
if (!sHolder) {
sHolder = new SandboxHolder();
ClearOnShutdown(&sHolder);
}
return sHolder;
}
JSObject* GetSandboxInternal(JSContext* aCx) {
if (!mSandbox) {
nsIXPConnect* const xpc = nsContentUtils::XPConnect();
MOZ_ASSERT(xpc, "This should never be null!");
// Let's use a null principal.
const nsCOMPtr<nsIPrincipal> principal =
NullPrincipal::CreateWithoutOriginAttributes();
JS::Rooted<JSObject*> sandbox(aCx);
nsresult rv = xpc->CreateSandbox(aCx, principal, sandbox.address());
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
mSandbox = new JSObjectHolder(aCx, sandbox);
}
return mSandbox->GetJSObject();
}
RefPtr<JSObjectHolder> mSandbox;
};
class DeserializeIndexValueHelper final : public Runnable {
public:
DeserializeIndexValueHelper(int64_t aIndexID, const KeyPath& aKeyPath,
bool aMultiEntry, const nsCString& aLocale,
StructuredCloneReadInfo& aCloneReadInfo,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray)
: Runnable("DeserializeIndexValueHelper"),
mMonitor("DeserializeIndexValueHelper::mMonitor"),
mIndexID(aIndexID),
mKeyPath(aKeyPath),
mMultiEntry(aMultiEntry),
mLocale(aLocale),
mCloneReadInfo(aCloneReadInfo),
mUpdateInfoArray(aUpdateInfoArray),
mStatus(NS_ERROR_FAILURE) {}
void DispatchAndWait(ErrorResult& aRv) {
// We don't need to go to the main-thread and use the sandbox. Let's create
// the updateInfo data here.
if (!mCloneReadInfo.mData.Size()) {
AutoJSAPI jsapi;
jsapi.Init();
JS::Rooted<JS::Value> value(jsapi.cx());
value.setUndefined();
IDBObjectStore::AppendIndexUpdateInfo(mIndexID, mKeyPath, mMultiEntry,
mLocale, jsapi.cx(), value,
&mUpdateInfoArray, &aRv);
return;
}
// The operation will continue on the main-thread.
MOZ_ASSERT(!(mCloneReadInfo.mData.Size() % sizeof(uint64_t)));
MonitorAutoLock lock(mMonitor);
RefPtr<Runnable> self = this;
const nsresult rv =
SystemGroup::Dispatch(TaskCategory::Other, self.forget());
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return;
}
lock.Wait();
aRv = mStatus;
}
NS_IMETHOD
Run() override {
MOZ_ASSERT(NS_IsMainThread());
AutoJSAPI jsapi;
jsapi.Init();
JSContext* const cx = jsapi.cx();
JS::Rooted<JSObject*> global(cx, SandboxHolder::GetSandbox(cx));
if (NS_WARN_IF(!global)) {
OperationCompleted(NS_ERROR_FAILURE);
return NS_OK;
}
const JSAutoRealm ar(cx, global);
JS::Rooted<JS::Value> value(cx);
const nsresult rv = DeserializeIndexValue(cx, &value);
if (NS_WARN_IF(NS_FAILED(rv))) {
OperationCompleted(rv);
return NS_OK;
}
ErrorResult errorResult;
IDBObjectStore::AppendIndexUpdateInfo(mIndexID, mKeyPath, mMultiEntry,
mLocale, cx, value, &mUpdateInfoArray,
&errorResult);
if (NS_WARN_IF(errorResult.Failed())) {
OperationCompleted(errorResult.StealNSResult());
return NS_OK;
}
OperationCompleted(NS_OK);
return NS_OK;
}
private:
nsresult DeserializeIndexValue(JSContext* aCx,
JS::MutableHandle<JS::Value> aValue) {
static const JSStructuredCloneCallbacks callbacks = {
CommonStructuredCloneReadCallback,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr};
if (!JS_ReadStructuredClone(
aCx, mCloneReadInfo.mData, JS_STRUCTURED_CLONE_VERSION,
JS::StructuredCloneScope::DifferentProcessForIndexedDB, aValue,
JS::CloneDataPolicy(), &callbacks, &mCloneReadInfo)) {
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
return NS_OK;
}
void OperationCompleted(nsresult aStatus) {
mStatus = aStatus;
MonitorAutoLock lock(mMonitor);
lock.Notify();
}
Monitor mMonitor;
const int64_t mIndexID;
const KeyPath& mKeyPath;
const bool mMultiEntry;
const nsCString mLocale;
StructuredCloneReadInfo& mCloneReadInfo;
nsTArray<IndexUpdateInfo>& mUpdateInfoArray;
nsresult mStatus;
};
class DeserializeUpgradeValueHelper final : public Runnable {
public:
explicit DeserializeUpgradeValueHelper(
StructuredCloneReadInfo& aCloneReadInfo)
: Runnable("DeserializeUpgradeValueHelper"),
mMonitor("DeserializeUpgradeValueHelper::mMonitor"),
mCloneReadInfo(aCloneReadInfo),
mStatus(NS_ERROR_FAILURE) {}
nsresult DispatchAndWait(nsAString& aFileIds) {
// We don't need to go to the main-thread and use the sandbox.
if (!mCloneReadInfo.mData.Size()) {
PopulateFileIds(aFileIds);
return NS_OK;
}
// The operation will continue on the main-thread.
MOZ_ASSERT(!(mCloneReadInfo.mData.Size() % sizeof(uint64_t)));
MonitorAutoLock lock(mMonitor);
RefPtr<Runnable> self = this;
const nsresult rv =
SystemGroup::Dispatch(TaskCategory::Other, self.forget());
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
lock.Wait();
if (NS_FAILED(mStatus)) {
return mStatus;
}
PopulateFileIds(aFileIds);
return NS_OK;
}
NS_IMETHOD
Run() override {
MOZ_ASSERT(NS_IsMainThread());
AutoJSAPI jsapi;
jsapi.Init();
JSContext* cx = jsapi.cx();
JS::Rooted<JSObject*> global(cx, SandboxHolder::GetSandbox(cx));
if (NS_WARN_IF(!global)) {
OperationCompleted(NS_ERROR_FAILURE);
return NS_OK;
}
const JSAutoRealm ar(cx, global);
JS::Rooted<JS::Value> value(cx);
const nsresult rv = DeserializeUpgradeValue(cx, &value);
if (NS_WARN_IF(NS_FAILED(rv))) {
OperationCompleted(rv);
return NS_OK;
}
OperationCompleted(NS_OK);
return NS_OK;
}
private:
nsresult DeserializeUpgradeValue(JSContext* aCx,
JS::MutableHandle<JS::Value> aValue) {
static const JSStructuredCloneCallbacks callbacks = {
CommonStructuredCloneReadCallback,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr};
if (!JS_ReadStructuredClone(
aCx, mCloneReadInfo.mData, JS_STRUCTURED_CLONE_VERSION,
JS::StructuredCloneScope::DifferentProcessForIndexedDB, aValue,
JS::CloneDataPolicy(), &callbacks, &mCloneReadInfo)) {
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
return NS_OK;
}
void PopulateFileIds(nsAString& aFileIds) {
for (uint32_t count = mCloneReadInfo.mFiles.Length(), index = 0;
index < count; index++) {
const StructuredCloneFile& file = mCloneReadInfo.mFiles[index];
MOZ_ASSERT(file.mFileInfo);
const int64_t id = file.mFileInfo->Id();
if (index) {
aFileIds.Append(' ');
}
aFileIds.AppendInt(file.mType == StructuredCloneFile::eBlob ? id : -id);
}
}
void OperationCompleted(nsresult aStatus) {
mStatus = aStatus;
MonitorAutoLock lock(mMonitor);
lock.Notify();
}
Monitor mMonitor;
StructuredCloneReadInfo& mCloneReadInfo;
nsresult mStatus;
};
} // namespace
// static
void IDBObjectStore::DeserializeIndexValueToUpdateInfos(
int64_t aIndexID, const KeyPath& aKeyPath, bool aMultiEntry,
const nsCString& aLocale, StructuredCloneReadInfo& aCloneReadInfo,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray, ErrorResult& aRv) {
MOZ_ASSERT(!NS_IsMainThread());
const RefPtr<DeserializeIndexValueHelper> helper =
new DeserializeIndexValueHelper(aIndexID, aKeyPath, aMultiEntry, aLocale,
aCloneReadInfo, aUpdateInfoArray);
helper->DispatchAndWait(aRv);
}
// static
nsresult IDBObjectStore::DeserializeUpgradeValueToFileIds(
StructuredCloneReadInfo& aCloneReadInfo, nsAString& aFileIds) {
MOZ_ASSERT(!NS_IsMainThread());
const RefPtr<DeserializeUpgradeValueHelper> helper =
new DeserializeUpgradeValueHelper(aCloneReadInfo);
return helper->DispatchAndWait(aFileIds);
}
#ifdef DEBUG
void IDBObjectStore::AssertIsOnOwningThread() const {
MOZ_ASSERT(mTransaction);
mTransaction->AssertIsOnOwningThread();
}
#endif // DEBUG
void IDBObjectStore::GetAddInfo(JSContext* aCx, ValueWrapper& aValueWrapper,
JS::Handle<JS::Value> aKeyVal,
StructuredCloneWriteInfo& aCloneWriteInfo,
Key& aKey,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray,
ErrorResult& aRv) {
// Return DATA_ERR if a key was passed in and this objectStore uses inline
// keys.
if (!aKeyVal.isUndefined() && HasValidKeyPath()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
return;
}
const bool isAutoIncrement = AutoIncrement();
if (!HasValidKeyPath()) {
// Out-of-line keys must be passed in.
const auto result = aKey.SetFromJSVal(aCx, aKeyVal, aRv);
if (!result.Is(Ok, aRv)) {
if (result.Is(Invalid, aRv)) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
}
return;
}
} else if (!isAutoIncrement) {
if (!aValueWrapper.Clone(aCx)) {
aRv.Throw(NS_ERROR_DOM_DATA_CLONE_ERR);
return;
}
aRv = GetKeyPath().ExtractKey(aCx, aValueWrapper.Value(), aKey);
if (aRv.Failed()) {
return;
}
}
// Return DATA_ERR if no key was specified this isn't an autoIncrement
// objectStore.
if (aKey.IsUnset() && !isAutoIncrement) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_DATA_ERR);
return;
}
// Figure out indexes and the index values to update here.
if (mSpec->indexes().Length() && !aValueWrapper.Clone(aCx)) {
aRv.Throw(NS_ERROR_DOM_DATA_CLONE_ERR);
return;
}
{
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];
AppendIndexUpdateInfo(metadata.id(), metadata.keyPath(),
metadata.multiEntry(), metadata.locale(), aCx,
aValueWrapper.Value(), &aUpdateInfoArray, &aRv);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
}
}
if (isAutoIncrement && HasValidKeyPath()) {
if (!aValueWrapper.Clone(aCx)) {
aRv.Throw(NS_ERROR_DOM_DATA_CLONE_ERR);
return;
}
GetAddInfoClosure data(aCloneWriteInfo, aValueWrapper.Value());
MOZ_ASSERT(aKey.IsUnset());
aRv = GetKeyPath().ExtractOrCreateKey(aCx, aValueWrapper.Value(), aKey,
&GetAddInfoCallback, &data);
} else {
GetAddInfoClosure data(aCloneWriteInfo, aValueWrapper.Value());
aRv = GetAddInfoCallback(aCx, &data);
}
}
already_AddRefed<IDBRequest> IDBObjectStore::AddOrPut(
JSContext* aCx, ValueWrapper& aValueWrapper, JS::Handle<JS::Value> aKey,
bool aOverwrite, bool aFromCursor, ErrorResult& aRv) {
AssertIsOnOwningThread();
MOZ_ASSERT(aCx);
MOZ_ASSERT_IF(aFromCursor, aOverwrite);
if (mTransaction->GetMode() == IDBTransaction::CLEANUP || mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
if (!mTransaction->IsWriteAllowed()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR);
return nullptr;
}
Key key;
StructuredCloneWriteInfo cloneWriteInfo(mTransaction->Database());
nsTArray<IndexUpdateInfo> updateInfo;
GetAddInfo(aCx, aValueWrapper, aKey, cloneWriteInfo, key, updateInfo, aRv);
if (aRv.Failed()) {
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
// Check the size limit of the serialized message which mainly consists of
// a StructuredCloneBuffer, an encoded object key, and the encoded index keys.
// kMaxIDBMsgOverhead covers the minor stuff not included in this calculation
// because the precise calculation would slow down this AddOrPut operation.
static const size_t kMaxIDBMsgOverhead = 1024 * 1024; // 1MB
const uint32_t maximalSizeFromPref =
IndexedDatabaseManager::MaxSerializedMsgSize();
MOZ_ASSERT(maximalSizeFromPref > kMaxIDBMsgOverhead);
const size_t kMaxMessageSize = maximalSizeFromPref - kMaxIDBMsgOverhead;
size_t indexUpdateInfoSize = 0;
for (size_t i = 0; i < updateInfo.Length(); i++) {
indexUpdateInfoSize += updateInfo[i].value().GetBuffer().Length();
indexUpdateInfoSize += updateInfo[i].localizedValue().GetBuffer().Length();
}
const size_t messageSize = cloneWriteInfo.mCloneBuffer.data().Size() +
key.GetBuffer().Length() + indexUpdateInfoSize;
if (messageSize > kMaxMessageSize) {
IDB_REPORT_INTERNAL_ERR();
aRv.ThrowDOMException(NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR,
nsPrintfCString("The serialized value is too large"
" (size=%zu bytes, max=%zu bytes).",
messageSize, kMaxMessageSize));
return nullptr;
}
ObjectStoreAddPutParams commonParams;
commonParams.objectStoreId() = Id();
commonParams.cloneInfo().data().data =
std::move(cloneWriteInfo.mCloneBuffer.data());
commonParams.cloneInfo().offsetToKeyProp() = cloneWriteInfo.mOffsetToKeyProp;
commonParams.key() = key;
commonParams.indexUpdateInfos().SwapElements(updateInfo);
// Convert any blobs or mutable files into FileAddInfo.
nsTArray<StructuredCloneFile>& files = cloneWriteInfo.mFiles;
if (!files.IsEmpty()) {
const uint32_t count = files.Length();
FallibleTArray<FileAddInfo> fileAddInfos;
if (NS_WARN_IF(!fileAddInfos.SetCapacity(count, fallible))) {
aRv = NS_ERROR_OUT_OF_MEMORY;
return nullptr;
}
IDBDatabase* const database = mTransaction->Database();
for (uint32_t index = 0; index < count; index++) {
StructuredCloneFile& file = files[index];
FileAddInfo* const fileAddInfo = fileAddInfos.AppendElement(fallible);
MOZ_ASSERT(fileAddInfo);
switch (file.mType) {
case StructuredCloneFile::eBlob: {
MOZ_ASSERT(file.mBlob);
MOZ_ASSERT(!file.mMutableFile);
PBackgroundIDBDatabaseFileChild* const fileActor =
database->GetOrCreateFileActorForBlob(file.mBlob);
if (NS_WARN_IF(!fileActor)) {
IDB_REPORT_INTERNAL_ERR();
aRv = NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
return nullptr;
}
fileAddInfo->file() = fileActor;
fileAddInfo->type() = StructuredCloneFile::eBlob;
break;
}
case StructuredCloneFile::eMutableFile: {
MOZ_ASSERT(file.mMutableFile);
MOZ_ASSERT(!file.mBlob);
PBackgroundMutableFileChild* const mutableFileActor =
file.mMutableFile->GetBackgroundActor();
if (NS_WARN_IF(!mutableFileActor)) {
IDB_REPORT_INTERNAL_ERR();
aRv = NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
return nullptr;
}
fileAddInfo->file() = mutableFileActor;
fileAddInfo->type() = StructuredCloneFile::eMutableFile;
break;
}
case StructuredCloneFile::eWasmBytecode:
case StructuredCloneFile::eWasmCompiled: {
MOZ_ASSERT(file.mBlob);
MOZ_ASSERT(!file.mMutableFile);
PBackgroundIDBDatabaseFileChild* const fileActor =
database->GetOrCreateFileActorForBlob(file.mBlob);
if (NS_WARN_IF(!fileActor)) {
IDB_REPORT_INTERNAL_ERR();
aRv = NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
return nullptr;
}
fileAddInfo->file() = fileActor;
fileAddInfo->type() = file.mType;
break;
}
default:
MOZ_CRASH("Should never get here!");
}
}
commonParams.fileAddInfos().SwapElements(fileAddInfos);
}
const auto& params = aOverwrite
? RequestParams{ObjectStorePutParams(commonParams)}
: RequestParams{ObjectStoreAddParams(commonParams)};
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (!aFromCursor) {
if (aOverwrite) {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).put(%s)",
"IDBObjectStore.put()", mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(key));
} else {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).add(%s)",
"IDBObjectStore.add()", mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(key));
}
}
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBRequest> IDBObjectStore::GetAllInternal(
bool aKeysOnly, JSContext* aCx, JS::Handle<JS::Value> aKey,
const Optional<uint32_t>& aLimit, ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange), aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
const int64_t id = Id();
Maybe<SerializedKeyRange> optionalKeyRange;
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
optionalKeyRange.emplace(serializedKeyRange);
}
const uint32_t limit = aLimit.WasPassed() ? aLimit.Value() : 0;
RequestParams params;
if (aKeysOnly) {
params = ObjectStoreGetAllKeysParams(id, optionalKeyRange, limit);
} else {
params = ObjectStoreGetAllParams(id, optionalKeyRange, limit);
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (aKeysOnly) {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s)."
"getAllKeys(%s, %s)",
"IDBObjectStore.getAllKeys()", mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange), IDB_LOG_STRINGIFY(aLimit));
} else {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s)."
"getAll(%s, %s)",
"IDBObjectStore.getAll()", mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange), IDB_LOG_STRINGIFY(aLimit));
}
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBRequest> IDBObjectStore::Clear(JSContext* aCx,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
if (!mTransaction->IsWriteAllowed()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR);
return nullptr;
}
const ObjectStoreClearParams params = {Id()};
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).clear()",
"IDBObjectStore.clear()", mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this));
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBIndex> IDBObjectStore::Index(const nsAString& aName,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mTransaction->IsCommittingOrDone() || mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
const nsTArray<IndexMetadata>& indexes = mSpec->indexes();
const IndexMetadata* metadata = nullptr;
for (uint32_t idxCount = indexes.Length(), idxIndex = 0; idxIndex < idxCount;
idxIndex++) {
const IndexMetadata& index = indexes[idxIndex];
if (index.name() == aName) {
metadata = &index;
break;
}
}
if (!metadata) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR);
return nullptr;
}
const int64_t desiredId = metadata->id();
RefPtr<IDBIndex> index;
for (uint32_t idxCount = mIndexes.Length(), idxIndex = 0; idxIndex < idxCount;
idxIndex++) {
RefPtr<IDBIndex>& existingIndex = mIndexes[idxIndex];
if (existingIndex->Id() == desiredId) {
index = existingIndex;
break;
}
}
if (!index) {
index = IDBIndex::Create(this, *metadata);
MOZ_ASSERT(index);
mIndexes.AppendElement(index);
}
return index.forget();
}
NS_IMPL_CYCLE_COLLECTION_CLASS(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mCachedKeyPath)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTransaction)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mIndexes)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mDeletedIndexes)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
// Don't unlink mTransaction!
NS_IMPL_CYCLE_COLLECTION_UNLINK(mIndexes)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mDeletedIndexes)
tmp->mCachedKeyPath.setUndefined();
if (tmp->mRooted) {
mozilla::DropJSObjects(tmp);
tmp->mRooted = false;
}
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IDBObjectStore)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTING_RELEASE(IDBObjectStore)
JSObject* IDBObjectStore::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return IDBObjectStore_Binding::Wrap(aCx, this, aGivenProto);
}
nsIGlobalObject* IDBObjectStore::GetParentObject() const {
return mTransaction->GetParentObject();
}
void IDBObjectStore::GetKeyPath(JSContext* aCx,
JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv) {
if (!mCachedKeyPath.isUndefined()) {
aResult.set(mCachedKeyPath);
return;
}
aRv = GetKeyPath().ToJSVal(aCx, mCachedKeyPath);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
if (mCachedKeyPath.isGCThing()) {
mozilla::HoldJSObjects(this);
mRooted = true;
}
aResult.set(mCachedKeyPath);
}
already_AddRefed<DOMStringList> IDBObjectStore::IndexNames() {
AssertIsOnOwningThread();
const nsTArray<IndexMetadata>& indexes = mSpec->indexes();
RefPtr<DOMStringList> list = new DOMStringList();
if (!indexes.IsEmpty()) {
nsTArray<nsString>& listNames = list->StringArray();
listNames.SetCapacity(indexes.Length());
for (uint32_t index = 0; index < indexes.Length(); index++) {
listNames.InsertElementSorted(indexes[index].name());
}
}
return list.forget();
}
already_AddRefed<IDBRequest> IDBObjectStore::GetInternal(
bool aKeyOnly, JSContext* aCx, JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange), aRv);
if (aRv.Failed()) {
return nullptr;
}
if (!keyRange) {
// Must specify a key or keyRange for get().
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_KEY_ERR);
return nullptr;
}
const int64_t id = Id();
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
const auto& params =
aKeyOnly ? RequestParams{ObjectStoreGetKeyParams(id, serializedKeyRange)}
: RequestParams{ObjectStoreGetParams(id, serializedKeyRange)};
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).get(%s)",
"IDBObjectStore.get()", mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange));
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBRequest> IDBObjectStore::DeleteInternal(
JSContext* aCx, JS::Handle<JS::Value> aKey, bool aFromCursor,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
if (!mTransaction->IsWriteAllowed()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange), aRv);
if (NS_WARN_IF((aRv.Failed()))) {
return nullptr;
}
if (!keyRange) {
// Must specify a key or keyRange for delete().
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_KEY_ERR);
return nullptr;
}
ObjectStoreDeleteParams params;
params.objectStoreId() = Id();
keyRange->ToSerialized(params.keyRange());
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (!aFromCursor) {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).delete(%s)",
" IDBObjectStore.delete()", mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange));
}
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBIndex> IDBObjectStore::CreateIndex(
const nsAString& aName, const StringOrStringSequence& aKeyPath,
const IDBIndexParameters& aOptionalParameters, ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mTransaction->GetMode() != IDBTransaction::VERSION_CHANGE ||
mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
IDBTransaction* const transaction = IDBTransaction::GetCurrent();
if (!transaction || transaction != mTransaction || !transaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
auto& indexes = const_cast<nsTArray<IndexMetadata>&>(mSpec->indexes());
for (uint32_t count = indexes.Length(), index = 0; index < count; index++) {
if (aName == indexes[index].name()) {
aRv.ThrowDOMException(
NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR,
nsPrintfCString("Index named '%s' already exists at index '%u'",
NS_ConvertUTF16toUTF8(aName).get(), index));
return nullptr;
}
}
KeyPath keyPath(0);
if (aKeyPath.IsString()) {
if (NS_FAILED(KeyPath::Parse(aKeyPath.GetAsString(), &keyPath)) ||
!keyPath.IsValid()) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
} else {
MOZ_ASSERT(aKeyPath.IsStringSequence());
if (aKeyPath.GetAsStringSequence().IsEmpty() ||
NS_FAILED(KeyPath::Parse(aKeyPath.GetAsStringSequence(), &keyPath)) ||
!keyPath.IsValid()) {
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
return nullptr;
}
}
if (aOptionalParameters.mMultiEntry && keyPath.IsArray()) {
aRv.Throw(NS_ERROR_DOM_INVALID_ACCESS_ERR);
return nullptr;
}
#ifdef DEBUG
for (uint32_t count = mIndexes.Length(), index = 0; index < count; index++) {
MOZ_ASSERT(mIndexes[index]->Name() != aName);
}
#endif
const IndexMetadata* const oldMetadataElements =
indexes.IsEmpty() ? nullptr : indexes.Elements();
// With this setup we only validate the passed in locale name by the time we
// get to encoding Keys. Maybe we should do it here right away and error out.
// Valid locale names are always ASCII as per BCP-47.
nsCString locale = NS_LossyConvertUTF16toASCII(aOptionalParameters.mLocale);
bool autoLocale = locale.EqualsASCII("auto");
if (autoLocale) {
locale = IndexedDatabaseManager::GetLocale();
}
IndexMetadata* const metadata = indexes.AppendElement(
IndexMetadata(transaction->NextIndexId(), nsString(aName), keyPath,
locale, aOptionalParameters.mUnique,
aOptionalParameters.mMultiEntry, autoLocale));
if (oldMetadataElements && oldMetadataElements != indexes.Elements()) {
MOZ_ASSERT(indexes.Length() > 1);
// Array got moved, update the spec pointers for all live indexes.
RefreshSpec(/* aMayDelete */ false);
}
transaction->CreateIndex(this, *metadata);
RefPtr<IDBIndex> index = IDBIndex::Create(this, *metadata);
MOZ_ASSERT(index);
mIndexes.AppendElement(index);
// Don't do this in the macro because we always need to increment the serial
// number to keep in sync with the parent.
const uint64_t requestSerialNumber = IDBRequest::NextSerialNumber();
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).createIndex(%s)",
"IDBObjectStore.createIndex()", mTransaction->LoggingSerialNumber(),
requestSerialNumber, IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(index));
return index.forget();
}
void IDBObjectStore::DeleteIndex(const nsAString& aName, ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mTransaction->GetMode() != IDBTransaction::VERSION_CHANGE ||
mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return;
}
IDBTransaction* transaction = IDBTransaction::GetCurrent();
if (!transaction || transaction != mTransaction || !transaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return;
}
auto& metadataArray = const_cast<nsTArray<IndexMetadata>&>(mSpec->indexes());
int64_t foundId = 0;
for (uint32_t metadataCount = metadataArray.Length(), metadataIndex = 0;
metadataIndex < metadataCount; metadataIndex++) {
const IndexMetadata& metadata = metadataArray[metadataIndex];
MOZ_ASSERT(metadata.id());
if (aName == metadata.name()) {
foundId = metadata.id();
// Must do this before altering the metadata array!
for (uint32_t indexCount = mIndexes.Length(), indexIndex = 0;
indexIndex < indexCount; indexIndex++) {
RefPtr<IDBIndex>& index = mIndexes[indexIndex];
if (index->Id() == foundId) {
index->NoteDeletion();
RefPtr<IDBIndex>* deletedIndex = mDeletedIndexes.AppendElement();
deletedIndex->swap(mIndexes[indexIndex]);
mIndexes.RemoveElementAt(indexIndex);
break;
}
}
metadataArray.RemoveElementAt(metadataIndex);
RefreshSpec(/* aMayDelete */ false);
break;
}
}
if (!foundId) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR);
return;
}
// Don't do this in the macro because we always need to increment the serial
// number to keep in sync with the parent.
const uint64_t requestSerialNumber = IDBRequest::NextSerialNumber();
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s)."
"deleteIndex(\"%s\")",
"IDBObjectStore.deleteIndex()", mTransaction->LoggingSerialNumber(),
requestSerialNumber, IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
NS_ConvertUTF16toUTF8(aName).get());
transaction->DeleteIndex(this, foundId);
}
already_AddRefed<IDBRequest> IDBObjectStore::Count(JSContext* aCx,
JS::Handle<JS::Value> aKey,
ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
IDBKeyRange::FromJSVal(aCx, aKey, getter_AddRefs(keyRange), aRv);
if (aRv.Failed()) {
return nullptr;
}
ObjectStoreCountParams params;
params.objectStoreId() = Id();
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
params.optionalKeyRange().emplace(serializedKeyRange);
}
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).count(%s)",
"IDBObjectStore.count()", mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange));
mTransaction->StartRequest(request, params);
return request.forget();
}
already_AddRefed<IDBRequest> IDBObjectStore::OpenCursorInternal(
bool aKeysOnly, JSContext* aCx, JS::Handle<JS::Value> aRange,
IDBCursorDirection aDirection, ErrorResult& aRv) {
AssertIsOnOwningThread();
MOZ_ASSERT(aCx);
if (mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR);
return nullptr;
}
if (!mTransaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return nullptr;
}
RefPtr<IDBKeyRange> keyRange;
IDBKeyRange::FromJSVal(aCx, aRange, getter_AddRefs(keyRange), aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
const int64_t objectStoreId = Id();
Maybe<SerializedKeyRange> optionalKeyRange;
if (keyRange) {
SerializedKeyRange serializedKeyRange;
keyRange->ToSerialized(serializedKeyRange);
optionalKeyRange.emplace(std::move(serializedKeyRange));
}
const IDBCursor::Direction direction =
IDBCursor::ConvertDirection(aDirection);
const CommonOpenCursorParams commonParams = {
objectStoreId, std::move(optionalKeyRange), direction};
// TODO: It would be great if the IPDL generator created a constructor
// accepting a CommonOpenCursorParams by value or rvalue reference.
const auto params =
aKeysOnly ? OpenCursorParams{ObjectStoreOpenKeyCursorParams{commonParams}}
: OpenCursorParams{ObjectStoreOpenCursorParams{commonParams}};
RefPtr<IDBRequest> request = GenerateRequest(aCx, this);
MOZ_ASSERT(request);
if (aKeysOnly) {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s)."
"openKeyCursor(%s, %s)",
"IDBObjectStore.openKeyCursor()", mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange), IDB_LOG_STRINGIFY(direction));
} else {
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s)."
"openCursor(%s, %s)",
"IDBObjectStore.openCursor()", mTransaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(keyRange), IDB_LOG_STRINGIFY(direction));
}
BackgroundCursorChild* const actor =
new BackgroundCursorChild(request, this, direction);
mTransaction->OpenCursor(actor, params);
return request.forget();
}
void IDBObjectStore::RefreshSpec(bool aMayDelete) {
AssertIsOnOwningThread();
MOZ_ASSERT_IF(mDeletedSpec, mSpec == mDeletedSpec);
const DatabaseSpec* dbSpec = mTransaction->Database()->Spec();
MOZ_ASSERT(dbSpec);
const nsTArray<ObjectStoreSpec>& objectStores = dbSpec->objectStores();
bool found = false;
for (uint32_t objCount = objectStores.Length(), objIndex = 0;
objIndex < objCount; objIndex++) {
const ObjectStoreSpec& objSpec = objectStores[objIndex];
if (objSpec.metadata().id() == Id()) {
mSpec = &objSpec;
for (uint32_t idxCount = mIndexes.Length(), idxIndex = 0;
idxIndex < idxCount; idxIndex++) {
mIndexes[idxIndex]->RefreshMetadata(aMayDelete);
}
for (uint32_t idxCount = mDeletedIndexes.Length(), idxIndex = 0;
idxIndex < idxCount; idxIndex++) {
mDeletedIndexes[idxIndex]->RefreshMetadata(false);
}
found = true;
break;
}
}
MOZ_ASSERT_IF(!aMayDelete && !mDeletedSpec, found);
if (found) {
MOZ_ASSERT(mSpec != mDeletedSpec);
mDeletedSpec = nullptr;
} else {
NoteDeletion();
}
}
const ObjectStoreSpec& IDBObjectStore::Spec() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return *mSpec;
}
void IDBObjectStore::NoteDeletion() {
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
MOZ_ASSERT(Id() == mSpec->metadata().id());
if (mDeletedSpec) {
MOZ_ASSERT(mDeletedSpec == mSpec);
return;
}
// Copy the spec here.
mDeletedSpec = new ObjectStoreSpec(*mSpec);
mDeletedSpec->indexes().Clear();
mSpec = mDeletedSpec;
if (!mIndexes.IsEmpty()) {
for (uint32_t count = mIndexes.Length(), index = 0; index < count;
index++) {
mIndexes[index]->NoteDeletion();
}
}
}
const nsString& IDBObjectStore::Name() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return mSpec->metadata().name();
}
void IDBObjectStore::SetName(const nsAString& aName, ErrorResult& aRv) {
AssertIsOnOwningThread();
if (mTransaction->GetMode() != IDBTransaction::VERSION_CHANGE ||
mDeletedSpec) {
aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return;
}
IDBTransaction* transaction = IDBTransaction::GetCurrent();
if (!transaction || transaction != mTransaction || !transaction->IsOpen()) {
aRv.Throw(NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR);
return;
}
if (aName == mSpec->metadata().name()) {
return;
}
// Cache logging string of this object store before renaming.
const LoggingString loggingOldObjectStore(this);
const nsresult rv =
transaction->Database()->RenameObjectStore(mSpec->metadata().id(), aName);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
// Don't do this in the macro because we always need to increment the serial
// number to keep in sync with the parent.
const uint64_t requestSerialNumber = IDBRequest::NextSerialNumber();
IDB_LOG_MARK_CHILD_TRANSACTION_REQUEST(
"database(%s).transaction(%s).objectStore(%s).rename(%s)",
"IDBObjectStore.rename()", mTransaction->LoggingSerialNumber(),
requestSerialNumber, IDB_LOG_STRINGIFY(mTransaction->Database()),
IDB_LOG_STRINGIFY(mTransaction), loggingOldObjectStore.get(),
IDB_LOG_STRINGIFY(this));
transaction->RenameObjectStore(mSpec->metadata().id(), aName);
}
bool IDBObjectStore::AutoIncrement() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return mSpec->metadata().autoIncrement();
}
const indexedDB::KeyPath& IDBObjectStore::GetKeyPath() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return mSpec->metadata().keyPath();
}
bool IDBObjectStore::HasValidKeyPath() const {
AssertIsOnOwningThread();
MOZ_ASSERT(mSpec);
return GetKeyPath().IsValid();
}
bool IDBObjectStore::ValueWrapper::Clone(JSContext* aCx) {
if (mCloned) {
return true;
}
static const JSStructuredCloneCallbacks callbacks = {
CopyingStructuredCloneReadCallback /* read */,
CopyingStructuredCloneWriteCallback /* write */,
nullptr /* reportError */,
nullptr /* readTransfer */,
nullptr /* writeTransfer */,
nullptr /* freeTransfer */,
nullptr /* canTransfer */
};
StructuredCloneInfo cloneInfo;
JS::Rooted<JS::Value> clonedValue(aCx);
if (!JS_StructuredClone(aCx, mValue, &clonedValue, &callbacks, &cloneInfo)) {
return false;
}
mValue = clonedValue;
mCloned = true;
return true;
}
} // namespace dom
} // namespace mozilla
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