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ActorsChild.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 "ActorsChild.h"
#include "BackgroundChildImpl.h"
#include "IDBDatabase.h"
#include "IDBEvents.h"
#include "IDBFactory.h"
#include "IDBIndex.h"
#include "IDBMutableFile.h"
#include "IDBObjectStore.h"
#include "IDBMutableFile.h"
#include "IDBRequest.h"
#include "IDBTransaction.h"
#include "IndexedDatabase.h"
#include "IndexedDatabaseInlines.h"
#include "mozilla/BasicEvents.h"
#include "mozilla/CycleCollectedJSRuntime.h"
#include "mozilla/Maybe.h"
#include "mozilla/TypeTraits.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/PermissionMessageUtils.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/dom/indexedDB/PBackgroundIDBDatabaseFileChild.h"
#include "mozilla/dom/indexedDB/PIndexedDBPermissionRequestChild.h"
#include "mozilla/dom/ipc/BlobChild.h"
#include "mozilla/ipc/BackgroundUtils.h"
#include "nsCOMPtr.h"
#include "nsContentUtils.h"
#include "nsIBFCacheEntry.h"
#include "nsIDocument.h"
#include "nsIDOMEvent.h"
#include "nsIEventTarget.h"
#include "nsIFileStreams.h"
#include "nsNetCID.h"
#include "nsPIDOMWindow.h"
#include "nsThreadUtils.h"
#include "nsTraceRefcnt.h"
#include "PermissionRequestBase.h"
#include "ProfilerHelpers.h"
#include "ReportInternalError.h"
#include "WorkerPrivate.h"
#include "WorkerRunnable.h"
#ifdef DEBUG
#include "IndexedDatabaseManager.h"
#endif
#define GC_ON_IPC_MESSAGES 0
#if defined(DEBUG) || GC_ON_IPC_MESSAGES
#include "js/GCAPI.h"
#include "nsJSEnvironment.h"
#define BUILD_GC_ON_IPC_MESSAGES
#endif // DEBUG || GC_ON_IPC_MESSAGES
namespace mozilla {
using ipc::PrincipalInfo;
namespace dom {
using namespace workers;
namespace indexedDB {
/*******************************************************************************
* ThreadLocal
******************************************************************************/
ThreadLocal::ThreadLocal(const nsID& aBackgroundChildLoggingId)
: mLoggingInfo(aBackgroundChildLoggingId, 1, -1, 1)
, mCurrentTransaction(0)
#ifdef DEBUG
, mOwningThread(PR_GetCurrentThread())
#endif
{
MOZ_ASSERT(mOwningThread);
MOZ_COUNT_CTOR(mozilla::dom::indexedDB::ThreadLocal);
// NSID_LENGTH counts the null terminator, SetLength() does not.
mLoggingIdString.SetLength(NSID_LENGTH - 1);
aBackgroundChildLoggingId.ToProvidedString(
*reinterpret_cast<char(*)[NSID_LENGTH]>(mLoggingIdString.BeginWriting()));
}
ThreadLocal::~ThreadLocal()
{
MOZ_COUNT_DTOR(mozilla::dom::indexedDB::ThreadLocal);
}
#ifdef DEBUG
void
ThreadLocal::AssertIsOnOwningThread() const
{
MOZ_ASSERT(PR_GetCurrentThread() == mOwningThread);
}
#endif // DEBUG
/*******************************************************************************
* Helpers
******************************************************************************/
namespace {
void
MaybeCollectGarbageOnIPCMessage()
{
#ifdef BUILD_GC_ON_IPC_MESSAGES
static const bool kCollectGarbageOnIPCMessages =
#if GC_ON_IPC_MESSAGES
true;
#else
false;
#endif // GC_ON_IPC_MESSAGES
if (!kCollectGarbageOnIPCMessages) {
return;
}
static bool haveWarnedAboutGC = false;
static bool haveWarnedAboutNonMainThread = false;
if (!haveWarnedAboutGC) {
haveWarnedAboutGC = true;
NS_WARNING("IndexedDB child actor GC debugging enabled!");
}
if (!NS_IsMainThread()) {
if (!haveWarnedAboutNonMainThread) {
haveWarnedAboutNonMainThread = true;
NS_WARNING("Don't know how to GC on a non-main thread yet.");
}
return;
}
nsJSContext::GarbageCollectNow(JS::gcreason::DOM_IPC);
nsJSContext::CycleCollectNow();
#endif // BUILD_GC_ON_IPC_MESSAGES
}
class MOZ_STACK_CLASS AutoSetCurrentTransaction final
{
typedef mozilla::ipc::BackgroundChildImpl BackgroundChildImpl;
IDBTransaction* const mTransaction;
IDBTransaction* mPreviousTransaction;
ThreadLocal* mThreadLocal;
public:
explicit AutoSetCurrentTransaction(IDBTransaction* aTransaction)
: mTransaction(aTransaction)
, mPreviousTransaction(nullptr)
, mThreadLocal(nullptr)
{
if (aTransaction) {
BackgroundChildImpl::ThreadLocal* threadLocal =
BackgroundChildImpl::GetThreadLocalForCurrentThread();
MOZ_ASSERT(threadLocal);
// Hang onto this for resetting later.
mThreadLocal = threadLocal->mIndexedDBThreadLocal;
MOZ_ASSERT(mThreadLocal);
// Save the current value.
mPreviousTransaction = mThreadLocal->GetCurrentTransaction();
// Set the new value.
mThreadLocal->SetCurrentTransaction(aTransaction);
}
}
~AutoSetCurrentTransaction()
{
MOZ_ASSERT_IF(mThreadLocal, mTransaction);
MOZ_ASSERT_IF(mThreadLocal,
mThreadLocal->GetCurrentTransaction() == mTransaction);
if (mThreadLocal) {
// Reset old value.
mThreadLocal->SetCurrentTransaction(mPreviousTransaction);
}
}
IDBTransaction*
Transaction() const
{
return mTransaction;
}
};
class MOZ_STACK_CLASS ResultHelper final
: public IDBRequest::ResultCallback
{
IDBRequest* mRequest;
AutoSetCurrentTransaction mAutoTransaction;
union
{
IDBDatabase* mDatabase;
IDBCursor* mCursor;
IDBMutableFile* mMutableFile;
StructuredCloneReadInfo* mStructuredClone;
const nsTArray<StructuredCloneReadInfo>* mStructuredCloneArray;
const Key* mKey;
const nsTArray<Key>* mKeyArray;
const JS::Value* mJSVal;
const JS::Handle<JS::Value>* mJSValHandle;
} mResult;
enum
{
ResultTypeDatabase,
ResultTypeCursor,
ResultTypeMutableFile,
ResultTypeStructuredClone,
ResultTypeStructuredCloneArray,
ResultTypeKey,
ResultTypeKeyArray,
ResultTypeJSVal,
ResultTypeJSValHandle,
} mResultType;
public:
ResultHelper(IDBRequest* aRequest,
IDBTransaction* aTransaction,
IDBDatabase* aResult)
: mRequest(aRequest)
, mAutoTransaction(aTransaction)
, mResultType(ResultTypeDatabase)
{
MOZ_ASSERT(aRequest);
MOZ_ASSERT(aResult);
mResult.mDatabase = aResult;
}
ResultHelper(IDBRequest* aRequest,
IDBTransaction* aTransaction,
IDBCursor* aResult)
: mRequest(aRequest)
, mAutoTransaction(aTransaction)
, mResultType(ResultTypeCursor)
{
MOZ_ASSERT(aRequest);
mResult.mCursor = aResult;
}
ResultHelper(IDBRequest* aRequest,
IDBTransaction* aTransaction,
IDBMutableFile* aResult)
: mRequest(aRequest)
, mAutoTransaction(aTransaction)
, mResultType(ResultTypeMutableFile)
{
MOZ_ASSERT(aRequest);
mResult.mMutableFile = aResult;
}
ResultHelper(IDBRequest* aRequest,
IDBTransaction* aTransaction,
StructuredCloneReadInfo* aResult)
: mRequest(aRequest)
, mAutoTransaction(aTransaction)
, mResultType(ResultTypeStructuredClone)
{
MOZ_ASSERT(aRequest);
MOZ_ASSERT(aResult);
mResult.mStructuredClone = aResult;
}
ResultHelper(IDBRequest* aRequest,
IDBTransaction* aTransaction,
const nsTArray<StructuredCloneReadInfo>* aResult)
: mRequest(aRequest)
, mAutoTransaction(aTransaction)
, mResultType(ResultTypeStructuredCloneArray)
{
MOZ_ASSERT(aRequest);
MOZ_ASSERT(aResult);
mResult.mStructuredCloneArray = aResult;
}
ResultHelper(IDBRequest* aRequest,
IDBTransaction* aTransaction,
const Key* aResult)
: mRequest(aRequest)
, mAutoTransaction(aTransaction)
, mResultType(ResultTypeKey)
{
MOZ_ASSERT(aRequest);
MOZ_ASSERT(aResult);
mResult.mKey = aResult;
}
ResultHelper(IDBRequest* aRequest,
IDBTransaction* aTransaction,
const nsTArray<Key>* aResult)
: mRequest(aRequest)
, mAutoTransaction(aTransaction)
, mResultType(ResultTypeKeyArray)
{
MOZ_ASSERT(aRequest);
MOZ_ASSERT(aResult);
mResult.mKeyArray = aResult;
}
ResultHelper(IDBRequest* aRequest,
IDBTransaction* aTransaction,
const JS::Value* aResult)
: mRequest(aRequest)
, mAutoTransaction(aTransaction)
, mResultType(ResultTypeJSVal)
{
MOZ_ASSERT(aRequest);
MOZ_ASSERT(!aResult->isGCThing());
mResult.mJSVal = aResult;
}
ResultHelper(IDBRequest* aRequest,
IDBTransaction* aTransaction,
const JS::Handle<JS::Value>* aResult)
: mRequest(aRequest)
, mAutoTransaction(aTransaction)
, mResultType(ResultTypeJSValHandle)
{
MOZ_ASSERT(aRequest);
mResult.mJSValHandle = aResult;
}
IDBRequest*
Request() const
{
return mRequest;
}
IDBTransaction*
Transaction() const
{
return mAutoTransaction.Transaction();
}
virtual nsresult
GetResult(JSContext* aCx, JS::MutableHandle<JS::Value> aResult) override
{
MOZ_ASSERT(aCx);
MOZ_ASSERT(mRequest);
switch (mResultType) {
case ResultTypeDatabase:
return GetResult(aCx, mResult.mDatabase, aResult);
case ResultTypeCursor:
return GetResult(aCx, mResult.mCursor, aResult);
case ResultTypeMutableFile:
return GetResult(aCx, mResult.mMutableFile, aResult);
case ResultTypeStructuredClone:
return GetResult(aCx, mResult.mStructuredClone, aResult);
case ResultTypeStructuredCloneArray:
return GetResult(aCx, mResult.mStructuredCloneArray, aResult);
case ResultTypeKey:
return GetResult(aCx, mResult.mKey, aResult);
case ResultTypeKeyArray:
return GetResult(aCx, mResult.mKeyArray, aResult);
case ResultTypeJSVal:
aResult.set(*mResult.mJSVal);
return NS_OK;
case ResultTypeJSValHandle:
aResult.set(*mResult.mJSValHandle);
return NS_OK;
default:
MOZ_CRASH("Unknown result type!");
}
MOZ_CRASH("Should never get here!");
}
private:
template <class T>
typename EnableIf<IsSame<T, IDBDatabase>::value ||
IsSame<T, IDBCursor>::value ||
IsSame<T, IDBMutableFile>::value,
nsresult>::Type
GetResult(JSContext* aCx,
T* aDOMObject,
JS::MutableHandle<JS::Value> aResult)
{
if (!aDOMObject) {
aResult.setNull();
return NS_OK;
}
bool ok = GetOrCreateDOMReflector(aCx, aDOMObject, aResult);
if (NS_WARN_IF(!ok)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
return NS_OK;
}
nsresult
GetResult(JSContext* aCx,
StructuredCloneReadInfo* aCloneInfo,
JS::MutableHandle<JS::Value> aResult)
{
bool ok = IDBObjectStore::DeserializeValue(aCx, *aCloneInfo, aResult);
if (NS_WARN_IF(!ok)) {
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
return NS_OK;
}
nsresult
GetResult(JSContext* aCx,
const nsTArray<StructuredCloneReadInfo>* aCloneInfos,
JS::MutableHandle<JS::Value> aResult)
{
JS::Rooted<JSObject*> array(aCx, JS_NewArrayObject(aCx, 0));
if (NS_WARN_IF(!array)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (!aCloneInfos->IsEmpty()) {
const uint32_t count = aCloneInfos->Length();
if (NS_WARN_IF(!JS_SetArrayLength(aCx, array, count))) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
for (uint32_t index = 0; index < count; index++) {
auto& cloneInfo =
const_cast<StructuredCloneReadInfo&>(aCloneInfos->ElementAt(index));
JS::Rooted<JS::Value> value(aCx);
nsresult rv = GetResult(aCx, &cloneInfo, &value);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (NS_WARN_IF(!JS_DefineElement(aCx, array, index, value,
JSPROP_ENUMERATE))) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
}
}
aResult.setObject(*array);
return NS_OK;
}
nsresult
GetResult(JSContext* aCx,
const Key* aKey,
JS::MutableHandle<JS::Value> aResult)
{
nsresult rv = aKey->ToJSVal(aCx, aResult);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
nsresult
GetResult(JSContext* aCx,
const nsTArray<Key>* aKeys,
JS::MutableHandle<JS::Value> aResult)
{
JS::Rooted<JSObject*> array(aCx, JS_NewArrayObject(aCx, 0));
if (NS_WARN_IF(!array)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (!aKeys->IsEmpty()) {
const uint32_t count = aKeys->Length();
if (NS_WARN_IF(!JS_SetArrayLength(aCx, array, count))) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
for (uint32_t index = 0; index < count; index++) {
const Key& key = aKeys->ElementAt(index);
MOZ_ASSERT(!key.IsUnset());
JS::Rooted<JS::Value> value(aCx);
nsresult rv = GetResult(aCx, &key, &value);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (NS_WARN_IF(!JS_DefineElement(aCx, array, index, value,
JSPROP_ENUMERATE))) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
}
}
aResult.setObject(*array);
return NS_OK;
}
};
class PermissionRequestMainProcessHelper final
: public PermissionRequestBase
{
BackgroundFactoryRequestChild* mActor;
RefPtr<IDBFactory> mFactory;
public:
PermissionRequestMainProcessHelper(BackgroundFactoryRequestChild* aActor,
IDBFactory* aFactory,
Element* aOwnerElement,
nsIPrincipal* aPrincipal)
: PermissionRequestBase(aOwnerElement, aPrincipal)
, mActor(aActor)
, mFactory(aFactory)
{
MOZ_ASSERT(aActor);
MOZ_ASSERT(aFactory);
aActor->AssertIsOnOwningThread();
}
protected:
~PermissionRequestMainProcessHelper()
{ }
private:
virtual void
OnPromptComplete(PermissionValue aPermissionValue) override;
};
class PermissionRequestChildProcessActor final
: public PIndexedDBPermissionRequestChild
{
BackgroundFactoryRequestChild* mActor;
RefPtr<IDBFactory> mFactory;
public:
PermissionRequestChildProcessActor(BackgroundFactoryRequestChild* aActor,
IDBFactory* aFactory)
: mActor(aActor)
, mFactory(aFactory)
{
MOZ_ASSERT(aActor);
MOZ_ASSERT(aFactory);
aActor->AssertIsOnOwningThread();
}
protected:
~PermissionRequestChildProcessActor()
{ }
virtual mozilla::ipc::IPCResult
Recv__delete__(const uint32_t& aPermission) override;
};
void
DeserializeStructuredCloneFiles(
IDBDatabase* aDatabase,
const nsTArray<SerializedStructuredCloneFile>& aSerializedFiles,
const nsTArray<RefPtr<JS::WasmModule>>* aModuleSet,
nsTArray<StructuredCloneFile>& aFiles)
{
MOZ_ASSERT_IF(aModuleSet, !aModuleSet->IsEmpty());
MOZ_ASSERT(aFiles.IsEmpty());
if (!aSerializedFiles.IsEmpty()) {
uint32_t moduleIndex = 0;
const uint32_t count = aSerializedFiles.Length();
aFiles.SetCapacity(count);
for (uint32_t index = 0; index < count; index++) {
const SerializedStructuredCloneFile& serializedFile =
aSerializedFiles[index];
const BlobOrMutableFile& blobOrMutableFile = serializedFile.file();
switch (serializedFile.type()) {
case StructuredCloneFile::eBlob: {
MOZ_ASSERT(blobOrMutableFile.type() == BlobOrMutableFile::TPBlobChild);
auto* actor =
static_cast<BlobChild*>(blobOrMutableFile.get_PBlobChild());
RefPtr<BlobImpl> blobImpl = actor->GetBlobImpl();
MOZ_ASSERT(blobImpl);
RefPtr<Blob> blob = Blob::Create(aDatabase->GetOwner(), blobImpl);
aDatabase->NoteReceivedBlob(blob);
StructuredCloneFile* file = aFiles.AppendElement();
MOZ_ASSERT(file);
file->mType = StructuredCloneFile::eBlob;
file->mBlob.swap(blob);
break;
}
case StructuredCloneFile::eMutableFile: {
MOZ_ASSERT(blobOrMutableFile.type() == BlobOrMutableFile::Tnull_t ||
blobOrMutableFile.type() ==
BlobOrMutableFile::TPBackgroundMutableFileChild);
switch (blobOrMutableFile.type()) {
case BlobOrMutableFile::Tnull_t: {
StructuredCloneFile* file = aFiles.AppendElement();
MOZ_ASSERT(file);
file->mType = StructuredCloneFile::eMutableFile;
break;
}
case BlobOrMutableFile::TPBackgroundMutableFileChild: {
auto* actor =
static_cast<BackgroundMutableFileChild*>(
blobOrMutableFile.get_PBackgroundMutableFileChild());
MOZ_ASSERT(actor);
actor->EnsureDOMObject();
auto* mutableFile =
static_cast<IDBMutableFile*>(actor->GetDOMObject());
MOZ_ASSERT(mutableFile);
StructuredCloneFile* file = aFiles.AppendElement();
MOZ_ASSERT(file);
file->mType = StructuredCloneFile::eMutableFile;
file->mMutableFile = mutableFile;
actor->ReleaseDOMObject();
break;
}
default:
MOZ_CRASH("Should never get here!");
}
break;
}
case StructuredCloneFile::eStructuredClone: {
StructuredCloneFile* file = aFiles.AppendElement();
MOZ_ASSERT(file);
file->mType = StructuredCloneFile::eStructuredClone;
break;
}
case StructuredCloneFile::eWasmBytecode:
case StructuredCloneFile::eWasmCompiled: {
if (aModuleSet) {
MOZ_ASSERT(blobOrMutableFile.type() == BlobOrMutableFile::Tnull_t);
StructuredCloneFile* file = aFiles.AppendElement();
MOZ_ASSERT(file);
file->mType = serializedFile.type();
MOZ_ASSERT(moduleIndex < aModuleSet->Length());
file->mWasmModule = aModuleSet->ElementAt(moduleIndex);
if (serializedFile.type() == StructuredCloneFile::eWasmCompiled) {
moduleIndex++;
}
break;
}
MOZ_ASSERT(blobOrMutableFile.type() ==
BlobOrMutableFile::TPBlobChild);
auto* actor =
static_cast<BlobChild*>(blobOrMutableFile.get_PBlobChild());
RefPtr<BlobImpl> blobImpl = actor->GetBlobImpl();
MOZ_ASSERT(blobImpl);
RefPtr<Blob> blob = Blob::Create(aDatabase->GetOwner(), blobImpl);
aDatabase->NoteReceivedBlob(blob);
StructuredCloneFile* file = aFiles.AppendElement();
MOZ_ASSERT(file);
file->mType = serializedFile.type();
file->mBlob.swap(blob);
break;
}
default:
MOZ_CRASH("Should never get here!");
}
}
}
}
void
DispatchErrorEvent(IDBRequest* aRequest,
nsresult aErrorCode,
IDBTransaction* aTransaction = nullptr,
nsIDOMEvent* aEvent = nullptr)
{
MOZ_ASSERT(aRequest);
aRequest->AssertIsOnOwningThread();
MOZ_ASSERT(NS_FAILED(aErrorCode));
MOZ_ASSERT(NS_ERROR_GET_MODULE(aErrorCode) == NS_ERROR_MODULE_DOM_INDEXEDDB);
PROFILER_LABEL("IndexedDB",
"DispatchErrorEvent",
js::ProfileEntry::Category::STORAGE);
RefPtr<IDBRequest> request = aRequest;
RefPtr<IDBTransaction> transaction = aTransaction;
request->SetError(aErrorCode);
nsCOMPtr<nsIDOMEvent> errorEvent;
if (!aEvent) {
// Make an error event and fire it at the target.
errorEvent = CreateGenericEvent(request,
nsDependentString(kErrorEventType),
eDoesBubble,
eCancelable);
MOZ_ASSERT(errorEvent);
aEvent = errorEvent;
}
Maybe<AutoSetCurrentTransaction> asct;
if (aTransaction) {
asct.emplace(aTransaction);
}
if (transaction) {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"Firing %s event with error 0x%x",
"IndexedDB %s: C T[%lld] R[%llu]: %s (0x%x)",
IDB_LOG_ID_STRING(),
transaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(aEvent, kErrorEventType),
aErrorCode);
} else {
IDB_LOG_MARK("IndexedDB %s: Child Request[%llu]: "
"Firing %s event with error 0x%x",
"IndexedDB %s: C R[%llu]: %s (0x%x)",
IDB_LOG_ID_STRING(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(aEvent, kErrorEventType),
aErrorCode);
}
bool doDefault;
nsresult rv = request->DispatchEvent(aEvent, &doDefault);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
MOZ_ASSERT(!transaction || transaction->IsOpen() || transaction->IsAborted());
// Do not abort the transaction here if this request is failed due to the
// abortion of its transaction to ensure that the correct error cause of
// the abort event be set in IDBTransaction::FireCompleteOrAbortEvents() later.
if (transaction && transaction->IsOpen() &&
aErrorCode != NS_ERROR_DOM_INDEXEDDB_ABORT_ERR) {
WidgetEvent* internalEvent = aEvent->WidgetEventPtr();
MOZ_ASSERT(internalEvent);
if (internalEvent->mFlags.mExceptionWasRaised) {
transaction->Abort(NS_ERROR_DOM_INDEXEDDB_ABORT_ERR);
} else if (doDefault) {
transaction->Abort(request);
}
}
}
void
DispatchSuccessEvent(ResultHelper* aResultHelper,
nsIDOMEvent* aEvent = nullptr)
{
MOZ_ASSERT(aResultHelper);
PROFILER_LABEL("IndexedDB",
"DispatchSuccessEvent",
js::ProfileEntry::Category::STORAGE);
RefPtr<IDBRequest> request = aResultHelper->Request();
MOZ_ASSERT(request);
request->AssertIsOnOwningThread();
RefPtr<IDBTransaction> transaction = aResultHelper->Transaction();
if (transaction && transaction->IsAborted()) {
DispatchErrorEvent(request, transaction->AbortCode(), transaction);
return;
}
nsCOMPtr<nsIDOMEvent> successEvent;
if (!aEvent) {
successEvent = CreateGenericEvent(request,
nsDependentString(kSuccessEventType),
eDoesNotBubble,
eNotCancelable);
MOZ_ASSERT(successEvent);
aEvent = successEvent;
}
request->SetResultCallback(aResultHelper);
MOZ_ASSERT(aEvent);
MOZ_ASSERT_IF(transaction, transaction->IsOpen());
if (transaction) {
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld] Request[%llu]: "
"Firing %s event",
"IndexedDB %s: C T[%lld] R[%llu]: %s",
IDB_LOG_ID_STRING(),
transaction->LoggingSerialNumber(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(aEvent, kSuccessEventType));
} else {
IDB_LOG_MARK("IndexedDB %s: Child Request[%llu]: Firing %s event",
"IndexedDB %s: C R[%llu]: %s",
IDB_LOG_ID_STRING(),
request->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(aEvent, kSuccessEventType));
}
bool dummy;
nsresult rv = request->DispatchEvent(aEvent, &dummy);
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
MOZ_ASSERT_IF(transaction,
transaction->IsOpen() || transaction->IsAborted());
WidgetEvent* internalEvent = aEvent->WidgetEventPtr();
MOZ_ASSERT(internalEvent);
if (transaction &&
transaction->IsOpen() &&
internalEvent->mFlags.mExceptionWasRaised) {
transaction->Abort(NS_ERROR_DOM_INDEXEDDB_ABORT_ERR);
}
}
PRFileDesc*
GetFileDescriptorFromStream(nsIInputStream* aStream)
{
MOZ_ASSERT(aStream);
nsCOMPtr<nsIFileMetadata> fileMetadata = do_QueryInterface(aStream);
if (NS_WARN_IF(!fileMetadata)) {
return nullptr;
}
PRFileDesc* fileDesc;
nsresult rv = fileMetadata->GetFileDescriptor(&fileDesc);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
MOZ_ASSERT(fileDesc);
return fileDesc;
}
class WorkerPermissionChallenge;
// This class calles WorkerPermissionChallenge::OperationCompleted() in the
// worker thread.
class WorkerPermissionOperationCompleted final : public WorkerControlRunnable
{
RefPtr<WorkerPermissionChallenge> mChallenge;
public:
WorkerPermissionOperationCompleted(WorkerPrivate* aWorkerPrivate,
WorkerPermissionChallenge* aChallenge)
: WorkerControlRunnable(aWorkerPrivate, WorkerThreadUnchangedBusyCount)
, mChallenge(aChallenge)
{
MOZ_ASSERT(NS_IsMainThread());
}
virtual bool
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate) override;
};
// This class used to do prompting in the main thread and main process.
class WorkerPermissionRequest final : public PermissionRequestBase
{
RefPtr<WorkerPermissionChallenge> mChallenge;
public:
WorkerPermissionRequest(Element* aElement,
nsIPrincipal* aPrincipal,
WorkerPermissionChallenge* aChallenge)
: PermissionRequestBase(aElement, aPrincipal)
, mChallenge(aChallenge)
{
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aChallenge);
}
private:
~WorkerPermissionRequest()
{
MOZ_ASSERT(NS_IsMainThread());
}
virtual void
OnPromptComplete(PermissionValue aPermissionValue) override;
};
// This class is used in the main thread of all child processes.
class WorkerPermissionRequestChildProcessActor final
: public PIndexedDBPermissionRequestChild
{
RefPtr<WorkerPermissionChallenge> mChallenge;
public:
explicit WorkerPermissionRequestChildProcessActor(
WorkerPermissionChallenge* aChallenge)
: mChallenge(aChallenge)
{
MOZ_ASSERT(!XRE_IsParentProcess());
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aChallenge);
}
protected:
~WorkerPermissionRequestChildProcessActor()
{}
virtual mozilla::ipc::IPCResult
Recv__delete__(const uint32_t& aPermission) override;
};
class WorkerPermissionChallenge final : public Runnable
{
public:
WorkerPermissionChallenge(WorkerPrivate* aWorkerPrivate,
BackgroundFactoryRequestChild* aActor,
IDBFactory* aFactory,
const PrincipalInfo& aPrincipalInfo)
: Runnable("indexedDB::WorkerPermissionChallenge")
, mWorkerPrivate(aWorkerPrivate)
, mActor(aActor)
, mFactory(aFactory)
, mPrincipalInfo(aPrincipalInfo)
{
MOZ_ASSERT(mWorkerPrivate);